CN102305584A - Spherical center depth detection apparatus of automobile control arm ball and detection method thereof - Google Patents

Spherical center depth detection apparatus of automobile control arm ball and detection method thereof Download PDF

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Publication number
CN102305584A
CN102305584A CN201110244755A CN201110244755A CN102305584A CN 102305584 A CN102305584 A CN 102305584A CN 201110244755 A CN201110244755 A CN 201110244755A CN 201110244755 A CN201110244755 A CN 201110244755A CN 102305584 A CN102305584 A CN 102305584A
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CN
China
Prior art keywords
calibration
cylinder
dial gauge
bulb
centre
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Application number
CN201110244755A
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Chinese (zh)
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CN102305584B (en
Inventor
潘海斌
严海波
施先锋
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Wuhu Hetian Automotive Industry Co Ltd
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Wuhu Hetian Automotive Industry Co Ltd
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Priority to CN 201110244755 priority Critical patent/CN102305584B/en
Publication of CN102305584A publication Critical patent/CN102305584A/en
Application granted granted Critical
Publication of CN102305584B publication Critical patent/CN102305584B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a spherical center depth detection apparatus of an automobile control arm ball and a detection method thereof. The detection apparatus comprises the following parts: a calibration ring which is placed on a horizontal plane, wherein a height of the calibration ring equals to a spherical center depth of a ball; an indicating gauge, wherein a bottom of a rod part of the indicating gauge is provided with a calibration cylinder and a reference cylinder is provided near the bottom of the rod part of the indicating gauge. The bottom of the indicating gauge penetrates through the calibration ring, a bottom of the calibration cylinder contacts the horizontal plane, and an area of the bottom of the calibration cylinder equals to an area of a cross section where a spherical center of the ball locates. The bottom of the calibration cylinder parallelly contacts a top surface of the calibration ring. According to the detection method, the spherical center depth of the ball is measured by utilizing the detection apparatus. The detection apparatus has simple structure, the detection method has the characteristics of convenient and fast operation, accurate measurement, product detection efficiency is raised, and product production efficiency is raised.

Description

A kind of automobile control arm bulb centre of sphere depth detection apparatus and detection method
Technical field
The present invention relates to automobile control arm field, be specifically related to a kind of automobile control arm bulb centre of sphere depth detection apparatus and detection method.
Background technology
Automobile control arm bulb cooperates the back to constitute the ball stud assembly with ball stud, the ball stud assembly is used to connect steering knuckle, and the connective stability of automobile control arm bulb and ball stud, ball stud assembly and steering knuckle directly influences the steering behaviour of automobile.Thereby automobile control arm bulb need appropriate design, and after the production of automobile control arm is accomplished, need detect the automobile control arm bulb centre of sphere degree of depth, come Evaluation and Control arm bulb whether to meet design requirement with this.
For the auto parts and components mechanical processing industry, it is a step that guarantees the parts performance-critical that product detects, and its importance is self-evident.The measuring amount that we use always has vernier caliper, vernier depth gauge, three-coordinates measuring machine or the like, for the depth dimensions of measuring spherical pore, promptly measure the centre of sphere to certain plane apart from the time, conventional vernier caliper and vernier depth gauge seem powerless.The centre of sphere degree of depth of present spherical pore; Basically be to adopt three-coordinates measuring machine to measure; At first to calibrate during measurement gauge head; Choose then and form a plane more than 3, measure again and obtain the spheroid model more than 5, calculate the distance of the centre of sphere through Survey Software then to face as reference field.Three-coordinates measuring machine is measured the spherical pore centre of sphere degree of depth and is had following weak point: the one, and efficiency of measurement is slow, personnel's workmanship is required high; The 2nd,, measuring needs to accomplish in specialized laboratories, and far away from the scene, Measuring Time is long, and the production stand-by time is long; The 3rd,, precision will reduce significantly during owing to the frock resetting, if measure defective can not doing over again.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of simple to operate, accurate convenient and high automobile control arm bulb centre of sphere depth detection apparatus and detection method of efficient of measurement is provided.
To achieve these goals, the technical scheme of the present invention's employing is:
Said automobile control arm bulb centre of sphere depth detection apparatus comprises that one is positioned over the calibration annulus on the surface level, and the height of said calibration annulus equals the said bulb centre of sphere degree of depth; Also comprise dial gauge, be provided with a calibration cylinder in said dial gauge bar portion bottom, be provided with a benchmark cylinder near the position of bottom in said dial gauge bar portion; The bottom of said dial gauge penetrates in the said calibration annulus, and said calibration cylinder bottom surface contacts with surface level, and the bottom surface of said calibration cylinder equates with cross section, said bulb centre of sphere place; The bottom surface of said benchmark cylinder and the parallel contact of said calibration circle top surface of ring.
Be provided with through hole in said benchmark cylindrical center, said through hole passes in said dial gauge bar portion, is provided with threaded hole in said benchmark cylinder level one side, is provided with set screw in the said threaded hole, and said set screw is pressed in the said dial gauge bar portion.
Said calibration cylinder is connected in said dial gauge bar portion bottom through sunk screw.
On the bottom of said calibration cylinder, be provided with the threaded hole that has tapering, said sunk screw penetrates threaded hole and is connected with said dial gauge bar portion bottom.
Said calibration cylinder outer surface and calibration annulus inner surface clearance fit.
The detection method of described automobile control arm bulb centre of sphere depth detection apparatus may further comprise the steps:
Step 1: at first adjust dial gauge bar portion, guarantee the parallel contact in plane, bottom of calibration cylinder with surface level; Next adjusts the position of benchmark cylinder, guarantees benchmark cylinder bottom and the calibration parallel contact in annulus top; Screw at last set screw on the benchmark cylinder is with the stationkeeping of benchmark cylinder;
Step 2: the reading of dial gauge is adjusted into zero, in the calibration annulus, takes out the dial gauge that has calibration cylinder and benchmark cylinder;
Step 3: the bottom of benchmark cylinder is positioned on the plane to be measured; It is inner that the dial gauge bottom gets into bulb to be detected; Adjustment dial gauge bar portion makes just parallel being placed on the plane to be measured in bottom of benchmark cylinder, and calibration cylinder bottom just is connected to the bulb inner surface;
Step 4: read the reading on the dial gauge, with the height addition of reading on the dial gauge with the calibration annulus, controlled arm bulb centre of sphere actual grade compares actual grade and drawing requirement, judges control arm ball bulb capability and performance.
Beneficial effect of the present invention is: said automobile control arm bulb centre of sphere depth detection apparatus; Simple in structure, be easy to carry, and can make full use of the dial gauge measuring accuracy; Guarantee the accuracy of bulb centre of sphere depth detection, can effectively overcome the defective that three-coordinates measuring machine is measured; The detection method of said automobile control arm bulb centre of sphere depth detection apparatus, easy to operate, efficiency of measurement can be provided, can effectively reduce Measuring Time and production stand-by time; Because simple to operate, those of ordinary skill gets final product complete operation, helps saving the production cost like this, and production efficient is provided simultaneously.
Description of drawings
Face the content of each width of cloth accompanying drawing expression of instructions of the present invention and the mark among the figure down and make brief description:
Fig. 1 is an automobile control arm bulb centre of sphere depth detection apparatus structural representation of the present invention;
Fig. 2 is an automobile control arm bulb centre of sphere depth detection apparatus user mode synoptic diagram of the present invention;
Mark among the above-mentioned figure is:
1, calibration annulus, 2, dial gauge, 3, the calibration cylinder, 4, the benchmark cylinder, 5, threaded hole, 6, sunk screw, 7, bulb.
Embodiment
Contrast accompanying drawing below, through the description to optimum embodiment, specific embodiments of the invention is done further detailed explanation.
Like Fig. 1 and shown in Figure 2, described automobile control arm bulb centre of sphere depth detection apparatus comprises that one is positioned over the calibration annulus 1 on the surface level, and the height of calibration annulus 1 equals bulb 7 centre of sphere degree of depth; Also comprise dial gauge 2, be provided with a calibration cylinder 3 in dial gauge 2 bar portion bottoms, be provided with a benchmark cylinder 4 near the position of bottom in dial gauge 2 bar portions; The bottom of dial gauge 2 penetrates in the calibration annulus 1, and calibration cylinder 3 bottom surfaces contacts with surface level, and the bottom surface of calibrating cylinder 3 belongs to the cross section with bulb 7 centre ofs sphere and equates; The bottom surface of benchmark cylinder 4 and the parallel contact of calibration annulus 1 end face.
Described automobile control arm bulb centre of sphere depth detection apparatus, calibration annulus 1 height and calibration cross section, cylinder 3 bottom make according to centre of sphere actual grade and centre of sphere cross section on bulb 7 design drawings; Benchmark cylinder 4 is used for fixing dial gauge 2 bar portions, and simultaneously a reference field is determined in benchmark cylinder 4 bottoms, and it is highly consistent with calibration annulus 1 to the distance of benchmark cylinder 4 bottoms to be used to guarantee to calibrate cylinder 3 bottoms; During actual the measurement, the reading on the dial gauge 2 is adjusted to zero, then from the calibration annulus 1 inner dial gauge that takes out; The dial gauge 2 that will have calibration cylinder 3 and benchmark cylinder 4 is put into bulb to be detected 7 inside, and the bottom of benchmark cylinder 4 at first is positioned on the plane to be measured; The calibration cylinder 3 that is arranged at dial gauge 2 bottoms gets into bulb 7 inside; When if benchmark cylinder 4 bottoms are positioned over plane to be measured; Calibration plane, cylinder 3 bottom just is connected to bulb 7 inboards, and then the institute's bulb of surveying 7 centre of sphere degree of depth equal to calibrate annulus 1 highly, meet design requirement; When if benchmark cylinder 4 bottoms are positioned over plane to be measured; The calibration plane, cylinder 3 bottom not with bulb 7 inboard clampings; Then adjust dial gauge 2 bar portions and make calibration plane, cylinder 3 bottom be connected to bulb 7 inboards, read the reading on the dial gauge 2 then, calibration circle ring 1 is highly added percentage 2 meter readings; Can obtain the bulb of surveying 7 centre of sphere actual grades, promptly can this estimate the capability and performance of said automobile control arm bulb.
For easy to adjust, be provided with through hole at benchmark cylinder 4 centers, through hole passes in dial gauge 2 bar portions; Be provided with threaded hole 5 in benchmark cylinder 4 levels one side; With after calibration annulus 1 end face or plane parallel to be measured contacts, screw-in set screw in threaded hole 5 is through the pressuring action of screw in benchmark cylinder 4 bottom surfaces; The position of benchmark cylinder 4 positions and dial gauge 2 confirms that set screw is pressed in the dial gauge 2 bar portions.
Calibration cylinder 3 is connected in dial gauge 2 bar portion bottoms through sunk screw 6, dial gauge 2 bottoms is being stretched into bulb 7 when inboard like this, and screw can not hinder calibration cylinder 3 convenient and adjust to the position with bulb 7 inboard clampings fast; On the bottom of calibration cylinder 3, be provided with the threaded hole that has tapering, sunk screw 6 penetrates threaded hole and is connected with dial gauge 2 bar portion bottoms.
Further, be the calibration cylinder 3 that guarantees from calibration annulus 1, to take out dial gauge 2 and be connected easily, calibration cylinder 3 outer surfaces and calibration annulus 1 inner surface clearance fit with dial gauge 2.
The detection method of described automobile control arm bulb centre of sphere depth detection apparatus may further comprise the steps:
Step 1: at first adjust dial gauge 2 bar portions, guarantee the plane, bottom and the complete parallel contact of surface level of calibration cylinder 3; Next adjusts the position of benchmark cylinder 4, guarantees benchmark cylinder 4 bottoms and the calibration parallel contact in annulus 1 top; Screw at last set screw on the benchmark cylinder 4 is with the stationkeeping of benchmark cylinder 4;
Step 2: the reading of dial gauge 2 is adjusted into zero, in calibration annulus 1, takes out the dial gauge that has calibration cylinder 3 and benchmark cylinder 4;
Step 3: the bottom of benchmark cylinder 4 is positioned on the plane to be measured; Dial gauge 2 bottoms get into bulb 7 inside to be detected; Adjustment dial gauge 2 bar portions make just parallel being placed on the plane to be measured in bottom of benchmark cylinder 4, and calibration cylinder 3 bottoms just are connected to bulb 7 inner surfaces;
Step 4: read the reading on the dial gauge 2, with the height addition of reading on the dial gauge 2 with calibration annulus 1, promptly controlled arm bulb centre of sphere actual grade compares centre of sphere actual grade and drawing requirement, judges the capability and performance of control arm bulb.
In the said step 3, adjust dial gauge 2 bar portions in the following manner; When if benchmark cylinder 4 is placed in parallel on the plane to be measured; The bottom of calibration cylinder 3 can not be stuck in bulb 7 inner surfaces, and adjustment dial gauge 2 bar portions are stuck in bulb 7 inner surfaces until the bottom of calibration cylinder 3; At this moment calibrating plane, cylinder 3 bottom just overlaps with bulb 7 centre of sphere cross sections; To obtain a positive reading on the dial gauge 2,, obtain centre of sphere actual grade reading and the 1 height addition of calibration annulus; If benchmark cylinder 4 also is not placed in parallel on the plane to be measured; The bottom of calibration cylinder 3 promptly is stuck on bulb 7 inner surfaces; Same adjustment dial gauge 2 bar portions make benchmark cylinder 4 be placed in parallel on the plane to be measured, and dial gauge 2 will obtain a negative reading this moment; With reading and the 1 height addition of calibration annulus, obtain centre of sphere actual grade; When if benchmark cylinder 4 is placed in parallel on the plane to be measured, the bottom of calibration cylinder 3 just is stuck on bulb 7 inner surfaces, and dial gauge 2 readings are zero, with reading and the 1 height addition of calibration annulus, obtains bulb 7 centre of sphere actual grades.
Automobile control arm bulb centre of sphere depth detection apparatus and method earlier according to the product design requirement, according to the product drawing size, are made pick-up unit; Corresponding to the automobile control arm bulb of different size, only need adjustment calibration cylinder 4 bottom planar dimensions, make it equal bulb 7 centre of sphere cross sections, can be applicable to the detection needs of different size control arm bulb.Control arm bulb centre of sphere depth detection apparatus of the present invention and method, simple in structure, easy to operate, be easy to carry, and can make full use of dial gauge 2 measuring accuracy, guarantee the accuracy of bulb 7 centre of sphere depth detection, can overcome the defective that three-coordinates measuring machine is measured.
Above the present invention has been carried out exemplary description; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.

Claims (6)

1. automobile control arm bulb centre of sphere depth detection apparatus, it is characterized in that: comprise that one is positioned over the calibration annulus (1) on the surface level, the height of said calibration annulus (1) equals said bulb (7) centre of sphere degree of depth; Also comprise dial gauge (2), be provided with a calibration cylinder (3) in said dial gauge (2) bar portion bottom, be provided with a benchmark cylinder (4) near the position of bottom in said dial gauge (2) bar portion; The bottom of said dial gauge (2) penetrates in the said calibration annulus (1), and said calibration cylinder (3) bottom surface contacts with surface level, and the bottom surface of said calibration cylinder (3) equates with cross section, said bulb (7) centre of sphere place; The bottom surface of said benchmark cylinder (4) and the parallel contact of said calibration annulus (1) end face.
2. according to the described automobile control arm of claim 1 bulb centre of sphere depth detection apparatus; It is characterized in that: be provided with through hole at said benchmark cylinder (4) center; Said through hole passes in said dial gauge (2) bar portion; Be provided with threaded hole (5) in said benchmark cylinder (4) level one side, said threaded hole is provided with set screw in (5), and said set screw is pressed in said dial gauge (2) the bar portion.
3. according to claim 1 or 2 described automobile control arm bulb centre of sphere depth detection apparatus, it is characterized in that: said calibration cylinder (3) is connected in said dial gauge (2) bar portion bottom through sunk screw (6).
4. according to the described automobile control arm of claim 3 bulb centre of sphere depth detection apparatus; It is characterized in that: on the bottom of said calibration cylinder (3), be provided with the threaded hole that has tapering, said sunk screw (6) penetrates threaded hole and is connected with said dial gauge (2) bar portion bottom.
5. according to the described automobile control arm of claim 4 bulb centre of sphere depth detection apparatus, it is characterized in that: said calibration cylinder (3) outer surface and calibration annulus (1) inner surface clearance fit.
6. the detection method of each described automobile control arm bulb centre of sphere depth detection apparatus of claim 1 to 5 is characterized in that: may further comprise the steps:
Step 1: at first adjust dial gauge bar portion, guarantee the parallel contact in plane, bottom of calibration cylinder with surface level; Next adjusts the position of benchmark cylinder, guarantees benchmark cylinder bottom and the calibration parallel contact in annulus top; Screw at last set screw on the benchmark cylinder is with the stationkeeping of benchmark cylinder;
Step 2: the reading of dial gauge is adjusted into zero, in the calibration annulus, takes out the dial gauge that has calibration cylinder and benchmark cylinder;
Step 3: the bottom of benchmark cylinder is positioned on the plane to be measured; It is inner that the dial gauge bottom gets into bulb to be detected; Adjustment dial gauge bar portion makes just parallel being placed on the plane to be measured in bottom of benchmark cylinder, and calibration cylinder bottom just is connected to the bulb inner surface;
Step 4: read the reading on the dial gauge, with the height addition of reading on the dial gauge with the calibration annulus, controlled arm bulb centre of sphere actual grade compares actual grade and drawing requirement, judges control arm ball bulb capability and performance.
CN 201110244755 2011-08-25 2011-08-25 Spherical center depth detection apparatus of automobile control arm ball and detection method thereof Expired - Fee Related CN102305584B (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111707170A (en) * 2020-06-29 2020-09-25 中国电子科技集团公司第十四研究所 SMP connector jack depth position size measuring device

Citations (6)

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JP3920231B2 (en) * 2003-02-24 2007-05-30 本田技研工業株式会社 Inner diameter ball groove measuring apparatus and inner diameter ball groove measuring method
CN101261108A (en) * 2008-03-19 2008-09-10 中国航空工业第一集团公司北京航空精密机械研究所 Spatial hole parameter measuring apparatus and measuring method
CN101726234A (en) * 2008-10-10 2010-06-09 江苏飞船股份有限公司 Precise detector for center hole at shaft end
CN201876225U (en) * 2010-11-11 2011-06-22 神龙汽车有限公司 Depth dimension detecting rod for inclined hole of cylinder cover of engine
CN201926411U (en) * 2011-01-28 2011-08-10 河南中轴股份有限公司 Device for measuring aperture of end-face central hole
CN202204449U (en) * 2011-08-25 2012-04-25 芜湖禾田汽车工业有限公司 Ball head and ball core depth detecting device of automobile control arm

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3920231B2 (en) * 2003-02-24 2007-05-30 本田技研工業株式会社 Inner diameter ball groove measuring apparatus and inner diameter ball groove measuring method
CN101261108A (en) * 2008-03-19 2008-09-10 中国航空工业第一集团公司北京航空精密机械研究所 Spatial hole parameter measuring apparatus and measuring method
CN101726234A (en) * 2008-10-10 2010-06-09 江苏飞船股份有限公司 Precise detector for center hole at shaft end
CN201876225U (en) * 2010-11-11 2011-06-22 神龙汽车有限公司 Depth dimension detecting rod for inclined hole of cylinder cover of engine
CN201926411U (en) * 2011-01-28 2011-08-10 河南中轴股份有限公司 Device for measuring aperture of end-face central hole
CN202204449U (en) * 2011-08-25 2012-04-25 芜湖禾田汽车工业有限公司 Ball head and ball core depth detecting device of automobile control arm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111707170A (en) * 2020-06-29 2020-09-25 中国电子科技集团公司第十四研究所 SMP connector jack depth position size measuring device

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