CN103267471A - Coaxiality detecting tool of car hub bearing hole - Google Patents

Coaxiality detecting tool of car hub bearing hole Download PDF

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Publication number
CN103267471A
CN103267471A CN2013101514050A CN201310151405A CN103267471A CN 103267471 A CN103267471 A CN 103267471A CN 2013101514050 A CN2013101514050 A CN 2013101514050A CN 201310151405 A CN201310151405 A CN 201310151405A CN 103267471 A CN103267471 A CN 103267471A
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China
Prior art keywords
support
measuring
cubing
bearing
lever
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Granted
Application number
CN2013101514050A
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Chinese (zh)
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CN103267471B (en
Inventor
谢飞
程鹏
黄浩
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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Priority to CN201310151405.0A priority Critical patent/CN103267471B/en
Publication of CN103267471A publication Critical patent/CN103267471A/en
Application granted granted Critical
Publication of CN103267471B publication Critical patent/CN103267471B/en
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Abstract

The invention discloses a coaxiality detecting tool of a car hub bearing hole. The coaxiality detecting tool of the car hub bearing hole comprises a base assembly. A positioning shaft used for installing a hub to be detected in a sleeved is fixed on the base assembly. A measuring lever is connected to the base assembly in a rotation mode. One end of the measuring lever penetrates into a bearing hole of the hub to be detected and adhered to the inner wall of the bearing hole. The other end of the measuring lever transmits torque of the measuring lever to a measuring head of an instrument fixedly arranged on the base assembly. When the detecting tool works, the hub to be detected is sleeved onto the positioning shaft and thus, the lower end of the measuring lever is adhered to the inner wall of the bearing hole. The hub to be detected is rotated, and a displacement amount is transmitted to the measuring head of the instrument through the measuring lever and eventually displayed on the instrument. According to the detecting tool, the measuring rod is used for feeding back a testing result to the instrument, precision in measuring is improved, the structure is simple and reliable and operation is convenient.

Description

The right alignment cubing in a kind of automobile hub bearing hole
Technical field
The present invention relates to a kind of cubing, more precisely, relate to the right alignment cubing in a kind of automobile hub bearing hole.
Background technology
Vehicle front hub dead eye right alignment is an important indicator of front hub processing, and the driving system of it and automobile has close contacting, so that the detection of dead eye right alignment seems is particularly important.At present, the detection method that we use always is with special-purpose detection anchor clamps the front hub clamping to be detected in three-dimensional the back well, this method investment is big, testing process is loaded down with trivial details, need great amount of manpower and material resources, financial resources to do guarantee, therefore need a kind of accuracy of detection height of design, reliable cubing simple to operation is used for online detection and seems particularly necessary.
Summary of the invention
The present invention is in order to solve problems of the prior art, and a kind of right alignment cubing of automobile hub bearing hole safe and reliable, simple to operation is provided.
In order to realize above-mentioned purpose, technical scheme of the present invention is: the right alignment cubing in a kind of automobile hub bearing hole, comprise the base assembly, one locating shaft for suit wheel hub to be detected is fixedly arranged on the described base assembly, described base assembly also is rotationally connected and one measures lever, described measurement lever one end stretches in the dead eye of wheel hub to be detected, and fits with the dead eye inwall, and the other end of described measurement lever passes to its moment the measuring head that is packed in the instrument on the base assembly.
Preferably, described base assembly comprises the base for the stationary positioned axle, also comprises the bearing that is installed on the base, the free end of the described bearing support that is rotationally connected, and described measurement lever is rotationally connected with on this support; Also being provided with one makes support rest on the stop means of measuring on the station.
Preferably, described stop means is the caging bolt that is arranged on the bearing, and the matching relationship of described caging bolt and support is as follows: at the measurement station of support, the lower end of support is being supported in the free termination of described caging bolt.
Preferably, also be provided with on the described caging bolt for adjusting and the setting nut of fastening caging bolt and bearing.
Preferably, the termination of described support is provided with a U-shaped connecting portion, described U-shaped connecting portion be enclosed within bearing free end and and its be rotationally connected.
Preferably, also be provided be used to preventing that support is at second stop means that leaves inordinate rotation on the direction of measuring station.
Preferably, this second stop means is the shelves pin that is used for support U-shaped connecting portion sidewall that is packed on the bearing.
Preferably, the free-ended upper end of described support is provided with the lug boss that is used for fixed instrumentation upwards, and the lower end is provided with the downward-sloping wedge portion of lever of measuring for being rotationally connected, and an end of described measurement lever and the measuring head of instrument contact cooperation when measuring.
Preferably, described instrument is clock gauge or dial gauge.
Preferably, described locating shaft is mounted obliquely within on the base.
Cubing of the present invention is in work, wheel hub to be detected is inserted on the locating shaft, by adjusting caging bolt, make the lower end of measurement lever and the inwall of dead eye fit, measure the upper end of lever and the measuring head of instrument simultaneously and fit, and instrument is pre-stressed to certain reading, after zero adjusting or zero clearing, rotate wheel hub to be detected, by measuring lever displacement is passed to the measuring head of instrument, and finally show in instrument.Cubing of the present invention is measured lever by one test result is fed back to instrument, can improve the precision of measurement, and simple and reliable for structure, easy to operate.
Description of drawings
Fig. 1, Fig. 2 show the structural representation of cubing of the present invention.
Fig. 3 shows the structural representation of Fig. 1 medium-height trestle.
Fig. 4 shows the sectional view of cubing when work among Fig. 1.
Embodiment
For the technical matters that the present invention is solved, the technical scheme of employing, the technique effect easy to understand of obtaining, the accompanying drawing below in conjunction with concrete is described further the specific embodiment of the present invention.
Front hub two bearings hole is 7 class precisions, and the right alignment in two holes is Φ 0.04mm, and the distance between the two bearings retaining is 72 ± 0.1mm.
With reference to figure 1, Fig. 2, the right alignment cubing in a kind of automobile hub bearing disclosed by the invention hole, the agent structure of cubing comprise base 1, bearing 4, support 10, clock gauge 13, detect lever 15 and locating shaft 18.
Base 1 is whole cast structure, and it is the structure of hollow, is used for alleviating weight and the material consumption of cubing, and base 1 also can be welded, but the stability of weldment and reliability are poor than casting, is used for the manufacturing of cubing, and the present invention preferentially selects cast structure for use.Bearing 4 can process with steel, and available two taper bolts 3 and four socket head cap screws 2 are fixed on the base 1.Support 10 can by ship and resell on another market 8 with the free end of bearing 4 (view direction with Fig. 1 is reference, be the upper end of bearing 4) connect, for can easily rotate reliably pin 8 of support 10 is rotated, it is 8 fixing dead with bearing 4 here will to ship and resell on another market by screw 9, support 10 and 8 the cooperation of shipping and reselling on another market are preferably clearance fit H8/g7, support 10 and bearing 4 can not cooperate requirement, as long as assurance is gapped) so that assembling.Those of ordinary skills be easy to expect to allow ship and resell on another market 8 with bearing 4 transition fit, just do not need by screw 9 fixingly, but the method can increase the assembly difficulty of cubing greatly, no longer specifies at this.
Base 1, bearing 4 and support 10 have constituted the base assembly of cubing of the present invention, bearing 4 is installed on the base 1, one locating shaft 18 for suit wheel hub to be detected is fixedly arranged on the base 1, the free end of described support 10 and measurement lever 15 are rotationally connected, one end of described measurement lever 15 stretches in the dead eye of wheel hub to be detected, and and the inwall of dead eye fit, its other end passes to its moment the measuring head that is packed in instrument on the support 10.
Cubing of the present invention is in work, wheel hub to be detected is inserted on the locating shaft 18, makes the lower end of measurement lever 15 and the inwall of dead eye fit, rotate wheel hub to be detected, by measuring lever displacement is passed to the measuring head of instrument, and finally show in instrument.
Support 10 of the present invention can rotate at bearing 4, when support 10 and bearing 4 are rotationally connected, also are provided with one and make support 10 rest on the stop means of measuring on the station.This is spacing can be to be supported between support 10 and the base 1, the present invention preferably adopts a caging bolt 6 that is fixed on the bearing 4, the matching relationship of this caging bolt 6 and support 10 is as follows: at the measurement station of support 10, the lower end of support 10 is being supported in the free termination of described caging bolt 6.Direction with Fig. 1 is reference, and when measuring, swinging mounting 10 is against on the free end of caging bolt 6 lower end of support 10, so that support 10 rests on the measurement station.According to actual needs, regulate the height of caging bolt 6 on bearing 4, can regulate the measurement station of support 10.Preferred construction of the present invention is: also be provided with the setting nut 5 for fastening caging bolt 6 and bearing 4 on the described caging bolt 6.By adjusting setting nut 5, make caging bolt 6 be in suitable position, again setting nut is fastened on the bearing 4, in case caging bolt 6 has small movement and influences accuracy of detection in measuring process.
With reference to figure 3, the termination of support 10 also can be provided with a U-shaped connecting portion 101, described U-shaped connecting portion 101 be enclosed within bearing 4 free end and and its 8 be rotatably connected by shipping and reselling on another market.Also be provided be used to preventing that support 10 is at second stop means that leaves inordinate rotation on the direction of measuring station." measuring the direction of station " refers to: the direction with Fig. 1 is reference, during use, rotates counterclockwise support 10, makes to be supported on the caging bolt 6, leaves the direction of measuring station and refers to clockwise rotation direction.The main effect of second stop means is to be exactly to prevent the inordinate rotation of support 10 on this direction.This second stop means can be for being packed in the shelves pin 7 that is used for support U-shaped connecting portion 101 sidewalls on the bearing 4.Backing pin 7 can be transition fit H7/n6 with bearing 4, here also can adopt welding, but welding is unfavorable for the replacing of pin, treat that workpiece sensing finishes, support 10 parts such as grade can be rotated up, support 10 is leaned against on the backing pin 7, with the convenient workpiece that takes out, the angle of support 10 rotations is greater than vertical direction, selects the anglec of rotation greater than about 15 ° positions that backing pin 7 is set of vertical direction here.
The fixed form of instrument and support 10 can adopt mechanism known in the art, the present invention is preferably: described support 10 free-ended upper ends are provided with the lug boss 102 that is used for fixed instrumentation upwards, the connecting link of instrument passes the via hole 1021 that arranges on the lug boss 102, and by at the fixed orifice 1020 with via hole 1021 perforations a lock-screw 14 being set, thereby this instrument is fixed on the support 10, can prevents because the detection error that the movement of clock gauge 13 causes.Instrument of the present invention can be clock gauge 13, also can be measurement instruments known in the art such as dial gauge.Support 10 free-ended lower ends are provided with the downward-sloping wedge portion 103 of lever 15 of measuring for being rotationally connected, specifically, length direction in this wedge portion 103 is provided with axis hole 1030, be provided with one and the fluting 1031 that connects of axis hole at the Width of this wedge portion 103, measuring lever is arranged in the fluting 1031, ship and resell on another market and 16 pass axis hole 1030 and measure pin-and-holes on the lever 15, thereby will measure lever 15 and support 10 is rotationally connected, ship and resell on another market 16 and support 10 can be clearance fit H8/g7 or bigger clearance fit, in order to prevent 16 rotations of shipping and reselling on another market, also be provided with two screws 17 will ship and resell on another market 16 and wedge portion 103 fix, make the detection that detects lever 15 more reliable.Detect the pin-and-hole of lever 15 and ship and resell on another market and 16 be preferably clearance fit, the gap is 0.005mm-0.01mm.
The arm of force of measuring lever 15 can be designed to different ratios, realize detecting the amplification of data or dwindling, such as arm of force ratio is designed to 10:1, be 0.1 μ with regard to the indicating accuracy that is equivalent to clock gauge.Here because the right alignment requirement is Φ 0.04mm, so being 1:1, the ratio of the arm of force gets final product.Regulate the arm of force of measuring lever 15, can make this cubing be applicable to high-precision test.The present invention measures the test result that lever 15 feeds back workpiece better in order to make, also be provided with one is used for and lug boss 160 that the dead eye inwall is fitted in the termination of measuring lever 15, in order to obtain higher accuracy of detection, measure lever and need carry out polishing for two of measuring, here roughness is that Ra1.6 is following increases.
Locating shaft 18 of the present invention can be connected on the base 1 by socket head cap screw 19, and the dead eye of locating shaft 18 and wheel hub to be measured adopts H7/g6 to cooperate, and here needs earlier the size of workpiece hole to be converted into precision H7.Locating shaft 18 of the present invention, be installed in to preferred angled on the base 1, namely make locating shaft 18 and surface level have a certain degree, become 15 ° of angles here, the testing staff could guarantee that when turning of work piece (wheel hub to be detected) locating shaft 18 and workpiece form excellent contact like this, thereby eliminates the gap of location, avoids detecting error, simultaneously because locating shaft 18 downward-sloping certain angles make the testing staff more easily reliable when turning of work piece; The end face of locating shaft 18 need polish, like this can be by the distance between the digital display vernier depth gauge measurement two bearings retaining.
Cubing of the present invention for the ease of operation, also is provided with handle 12, and is fixed on the support 10 by two set nuts 11, and reliable lock is more convenient to operate.
With reference to figure 4, cubing of the present invention when in use, front hub 20 is enclosed within on the locating shaft 18, because locating shaft 18 and surface level are certain angle, under the gravity effect of front hub 20 self, operating personnel's the fitting tightly of easier assurance benchmark dead eye and locating shaft when turning of work piece can effectively prevent the detection error that cause the workpiece location.Regulate the height of caging bolt 6, and with setting nut 5 with its locking, hand-held handle 12 swinging mountings 10, make support 10 be supported on the caging bolt 6, measuring the lower end of lever 15 and the inwall of front hub 20 dead eyes fits, during detection, by front wheel hub 20, the right alignment of measured hole and datum hole can feed back to dial gauge or clock gauge 13 by detecting lever 15.Workpiece is rotated a circle, just can obtain the numerical value of workpiece dead eye right alignment by the reading variation of dial gauge or clock gauge.After measurement was finished, hand-held handle 12 swinging mountings 10 made support 10 lean against on the backing pin 7, to make things convenient for the taking-up of front hub 20.Cubing of the present invention, it is simple and reliable for structure, measuring accuracy is high, and easy to operate, not only can effectively measure the right alignment of front hub dead eye, can also can measure distance between the two bearings retaining exactly by the digital display vernier depth gauge.
The present invention is by preferred embodiment having carried out detailed explanation.Yet, by to the studying carefully of preamble, to the variation of each embodiment with to increase also be that one of ordinary skill in the art institute is apparent.Being intended that all these variations and increasing of applicant all dropped in the scope that claim of the present invention protects.
Similar numbering refers to similar element in the whole text.For the purpose of clear, the situation that some line, layer, element, parts or feature are amplified may be arranged in the accompanying drawings.
Term used herein is only for to be illustrated specific embodiment, and it is not to be intended to limit the invention.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with one of ordinary skill in the art's of the present invention understanding.

Claims (10)

1. the right alignment cubing in an automobile hub bearing hole, comprise the base assembly, it is characterized in that, one locating shaft for suit wheel hub to be detected is fixedly arranged on the described base assembly, described base assembly also is rotationally connected and one measures lever, described measurement lever one end stretches in the dead eye of wheel hub to be detected, and fits with the dead eye inwall, and the other end of described measurement lever passes to its moment the measuring head that is packed in the instrument on the base assembly.
2. cubing according to claim 1, it is characterized in that: described base is bundled into the base that comprises for the stationary positioned axle, also comprise the bearing that is installed on the base, the free end of the described bearing support that is rotationally connected, described measurement lever is rotationally connected with on this support; Also being provided with one makes support rest on the stop means of measuring on the station.
3. cubing according to claim 2, it is characterized in that: described stop means is the caging bolt that is arranged on the bearing, the matching relationship of described caging bolt and support is as follows: at the measurement station of support, the lower end of support is being supported in the free termination of described caging bolt.
4. cubing according to claim 3 is characterized in that: also be provided with the setting nut for adjustment and fastening caging bolt and bearing on the described caging bolt.
5. cubing according to claim 2, it is characterized in that: the termination of described support is provided with a U-shaped connecting portion, described U-shaped connecting portion be enclosed within bearing free end and and its be rotationally connected.
6. cubing according to claim 5 is characterized in that: also be provided be used to preventing that support is at second stop means that leaves inordinate rotation on the direction of measuring station.
7. cubing according to claim 6 is characterized in that: this second stop means is to be packed in being used on the bearing to support the shelves pin of U-shaped connecting portion sidewall.
8. cubing according to claim 2, it is characterized in that: the free-ended upper end of described support is provided with the lug boss that is used for fixed instrumentation upwards, the lower end is provided with the downward-sloping wedge portion of lever of measuring for being rotationally connected, and an end of described measurement lever and the measuring head of instrument contact cooperation when measuring.
9. according to claim 1 or 8 described cubings, it is characterized in that: described instrument is clock gauge or dial gauge.
10. cubing according to claim 1, it is characterized in that: described locating shaft is mounted obliquely within on the base.
CN201310151405.0A 2013-04-26 2013-04-26 A kind of coaxiality check fixture of automobile hub bearing hole Active CN103267471B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103557766A (en) * 2013-11-18 2014-02-05 沈阳黎明航空发动机(集团)有限责任公司 Welding structure guide vane channel measurement method and device
CN103983158A (en) * 2014-05-12 2014-08-13 海宁奥通汽车零件有限公司 Auxiliary device used for measuring sensor mounting hole in outer ring
CN104266620A (en) * 2014-10-17 2015-01-07 王静 Adjustable measuring base
CN104457477A (en) * 2013-09-17 2015-03-25 龙口市裕东机械制造厂 Hub detector
CN105004254A (en) * 2015-04-30 2015-10-28 苏州纽威阀门股份有限公司 Coaxiality detection method
CN105043224A (en) * 2015-06-09 2015-11-11 常熟赛驰机械有限公司 Wheel hub coaxiality rapid measuring instrument and measuring method thereof
CN106272069A (en) * 2015-06-11 2017-01-04 徐工集团工程机械股份有限公司 The circularity of a kind of external cylindrical surface grinding and linearity testing apparatus and detection method
CN111872313A (en) * 2020-07-24 2020-11-03 安徽江淮汽车集团股份有限公司 Coaxiality correcting device for vehicle frame lifting lug support
CN112683212A (en) * 2020-12-15 2021-04-20 山东建筑大学 Device and method for measuring out-of-plane movement of fire-receiving steel arch

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104457477A (en) * 2013-09-17 2015-03-25 龙口市裕东机械制造厂 Hub detector
CN103557766B (en) * 2013-11-18 2016-03-30 沈阳黎明航空发动机(集团)有限责任公司 A kind of welded structure guide vane channel measurement method and device
CN103557766A (en) * 2013-11-18 2014-02-05 沈阳黎明航空发动机(集团)有限责任公司 Welding structure guide vane channel measurement method and device
CN103983158A (en) * 2014-05-12 2014-08-13 海宁奥通汽车零件有限公司 Auxiliary device used for measuring sensor mounting hole in outer ring
CN104266620A (en) * 2014-10-17 2015-01-07 王静 Adjustable measuring base
CN104266620B (en) * 2014-10-17 2017-02-01 孙海侠 Adjustable measuring base
CN105004254A (en) * 2015-04-30 2015-10-28 苏州纽威阀门股份有限公司 Coaxiality detection method
CN105004254B (en) * 2015-04-30 2018-02-06 苏州纽威阀门股份有限公司 A kind of coaxiality detecting method
CN105043224A (en) * 2015-06-09 2015-11-11 常熟赛驰机械有限公司 Wheel hub coaxiality rapid measuring instrument and measuring method thereof
CN106272069A (en) * 2015-06-11 2017-01-04 徐工集团工程机械股份有限公司 The circularity of a kind of external cylindrical surface grinding and linearity testing apparatus and detection method
CN111872313A (en) * 2020-07-24 2020-11-03 安徽江淮汽车集团股份有限公司 Coaxiality correcting device for vehicle frame lifting lug support
CN111872313B (en) * 2020-07-24 2021-06-18 安徽江淮汽车集团股份有限公司 Coaxiality correcting device for vehicle frame lifting lug support
CN112683212A (en) * 2020-12-15 2021-04-20 山东建筑大学 Device and method for measuring out-of-plane movement of fire-receiving steel arch

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