CN104390543A - Gauge for radial run-out of inner bore walls at two ends of hollow shaft - Google Patents
Gauge for radial run-out of inner bore walls at two ends of hollow shaft Download PDFInfo
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- CN104390543A CN104390543A CN201410650961.7A CN201410650961A CN104390543A CN 104390543 A CN104390543 A CN 104390543A CN 201410650961 A CN201410650961 A CN 201410650961A CN 104390543 A CN104390543 A CN 104390543A
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- 238000009434 installation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
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- 238000006243 chemical reaction Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a gauge for radial run-out of inner bore walls at two ends of a hollow shaft. The gauge comprises a foundation bed, a fixed bracket and a movable bracket, wherein one end of the foundation bed is fixedly connected with the fixed bracket; the movable bracket is positioned and arranged at the other end of the foundation bed by virtue of three longitudinal slots which are parallel to one another and upwards open. An adjustable positioning structure which consists of a movable tip, a shaft sleeve, a spring and a fan-shaped gear is assembled on the top of the movable bracket. The tip arranged on the top of the fixed bracket at the other end of the foundation bed is coaxial with the movable tip in the movable bracket. A dial indicator arranged on the fixed bracket is positioned on the side surface of the tip, and the axes of the dial indicator and the fixed bracket are parallel to one another. According to the gauge for radial run-out of inner bore walls at the two ends of the hollow shaft, the groove is formed in one surface, facing towards one end of the workpiece, of the tip, and an angle-shaped measuring head inserted to the groove is in hinged connection by virtue of a pin roll, the radial side of the angle-shaped measuring rod in fixed-axis swinging is pulled by a tension spring on the fixed bracket, so that the contact point of the axial side is lean against the inner bore wall of the workpiece, and the linked radial side position changes are quantitatively displayed by the contacted dial indicator. The gauge for the radial run-out of the inner bore walls at the two ends of the hollow shaft is simple in structure, simple and convenient to operate, and especially suitable for quality detection on a production site.
Description
Technical field
The present invention relates to a kind of cubing for measurement mechanical inner bore of part crudy, specifically, the present invention relates to a kind of cubing for measuring the inner hole wall diameter run-out of tubular shaft two ends.
Background technology
Tubular shaft is common mechanical component, and the design basis of such part and measuring basis are all axis routinely.By coaxial supporting tubular shaft two ends endoporus under prior art equipment condition, just can accomplish accurately to measure tubular shaft outer wall each portion length dimension and diameter run-out.In reality, tubular shaft two Internal hole positioning of many Equipments Setting installs auxiliary equipment, so the existing size tolerance requirements of this kind of axis hole, also Geometrical Tolerance Principle is had, because two ends endoporus is supported blocking during this type of piece test, directly cannot do inner hole wall diameter run-out to detect, so be difficult to effective Mass Control in manufacture process, so especially more difficult the accomplishing of the tubular shaft of the little 25mm of diameter of bore is detected at the scene.Such as, the transmission shaft two ends endoporus in high-grade car variator only has 23mm, and the diameter run-out permissible variation 0.05mm of the relative axis of two ends endoporus.At present, market does not have general amount cubing can be directly used in production scene on-line checkingi, because this type of detects disappearance, seriously constrain auto manufacturing of China high precision parts industry process.
Summary of the invention
The present invention detects mainly for tubular shaft two ends endoporus and lacks the present situation of online cubing, proposes a kind of production scene that is adapted at for measuring the cubing of tubular shaft two ends inner hole wall diameter run-out, and this detection tool structure is simple, it is convenient to detect, measure accurately.
The present invention is achieved through the following technical solutions technical goal.
Tubular shaft two ends inner hole wall diameter run-out cubing, it comprises pedestal, fixed rack and travel(l)ing rest.Described pedestal is rectangular panel blocks, and length direction one end, plate face is fixedly connected with fixed rack, and uniform three of the other end is parallel to each other and towards the cannelure of upper shed, being positioned at middle groove is rectangular channel, point is located at the T-slot of both sides for locking travel(l)ing rest.Described travel(l)ing rest is angular member, bottom is provided with the rectangular strip of evagination down, rectangular strip and pedestal slot fit placed in the middle form craspedodrome track structure, travel(l)ing rest top is equipped forms axial adjustable location structure by rolling center, axle sleeve, spring and sector gear, the fixed rack top location and installation connected at the pedestal other end is top, the horizontal top and other end matches the rolling center coaxial cable in travel(l)ing rest, the dial gauge that fixed rack is installed is positioned at top side, and both are parallel to each other by axis.Its improvements are: the described top side towards workpiece one end is provided with groove, the dihedral gauge head bearing pin inserted in groove is hinged, the dihedral gauge head longitudinal edge that dead axle swings is by the extension spring tractive that fixed rack is installed, make contact, axial limit come to inner hole of workpiece wall, the longitudinal edge change in location of interlock quantizes display by the dial gauge contacted.
In said structure, the axial limit of described dihedral gauge head and longitudinal edge connection at a right angle, the through hole of corner installs bearing pin, and the distance of center contact longitudinal edge to axial limit contact center Distance geometry to dial gauge gauge outfit of through hole is equal.Two back gauges are equal just can accomplish that dial gauge 1:1 quantizes the radial beat eccentricity of measured inner hole wall.
The present invention compared with prior art, has following good effect:
1, work two ends female coaxial supporting, and accurate positioning is easy to loading and unloading, is particularly suitable in production scene for detecting;
2, in the groove that top side is reserved, be hinged dihedral gauge head, the axial limit of dihedral gauge head extends hole measuring inwall, and servo-actuated longitudinal edge is by dial gauge display measurement result, this kind of lever measurement structure is simple, it is convenient to measure, and quantize display measurement visual result good, detection efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is C-C diagrammatic cross-section in Fig. 1, the connection of show activity support and pedestal and location structure.
Fig. 4 is F-F section enlarged diagram in Fig. 1.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the invention will be further described.
Tubular shaft two ends inner hole wall diameter run-out cubing shown in Fig. 1, it comprises pedestal 1, fixed rack 2 and travel(l)ing rest 3, and the transmission shaft two ends inner hole wall diameter run-out that the present embodiment is used for saloon car transmission detects.Described pedestal 1 is rectangular slab, and length direction one end, plate face is fixedly connected with fixed rack 2, and uniform three of the other end is parallel to each other and towards the cannelure of upper shed, being positioned at middle groove is rectangular channel, point is located at the T-slot of both sides for locking travel(l)ing rest 3.Described travel(l)ing rest 3 is angular member, and bottom is provided with the rectangular strip 3.5 of evagination down, and rectangular strip 3.5 groove fit placed in the middle with pedestal 1 forms craspedodrome track.This craspedodrome track can guarantee travel(l)ing rest 3 on pedestal 1 movable all the time all on the same axis, the concrete installation site of travel(l)ing rest 3 according to the length free adjustment of workpiece, once the bolt-locking just by coordinating with T-slot is determined in position.The rolling center 3.1 that travel(l)ing rest 3 top is equipped with is one of supportings of workpiece, rolling center 3.1 is axially withstood by spring 3.3, with the sector gear 3.4 of handle for the bearing position of axial adjustment rolling center 3.1, retreat rolling center 3.1 and can do workpiece dismounting.The rolling center 3.1 equipped with other end travel(l)ing rest 3 top in the fixed rack 2 top location and installation top 2.2, horizontal top 2.2 of pedestal 1 other end connection is coaxial relative, jointly for holding workpieces.The dial gauge 2.1 that fixed rack 2 is installed is positioned at top 2.2 sides, and both are parallel to each other by axis.In order to accomplish that the inner hole of workpiece wall being positioned at fixed rack 2 one end can be measured, the present invention is provided with groove by top 2.2 towards the side of workpiece one end, the dihedral gauge head 2.3 inserted in groove is hinged with bearing pin 2.5, dihedral gauge head 2.3 longitudinal edge that dead axle swings is by extension spring 2.4 tractive that fixed rack 2 is installed, make contact, axial limit come to inner hole of workpiece wall, rotational workpieces just can measure the radial beat eccentricity of inner hole wall.Axial limit change in location in this measurement structure is reflected by the longitudinal edge of interlock, and Specific amounts quantizes display by the dial gauge 2.1 contacted.In order to the process of abridged measurement result, the axial limit of the dihedral gauge head 2.3 in the present invention and longitudinal edge connection at a right angle, the distance that through hole center contact longitudinal edge to the Distance geometry of axial limit contact center to dial gauge 2.1 gauge outfit of bearing pin 2.5 is installed by corner is equal.It is exactly actual error that this kind of 1:1 measures the error that structure records, and the data that dial gauge 2.1 shows are exactly the actual radial beat eccentricity of inner hole of workpiece wall, and centre does not need to do any conversion and just can gather.After the measurement of right-hand member inner hole wall terminates, the handle pulling sector gear 3.4 configuration makes rolling center 3.1 retreat, and measure the diameter run-out of other end inner hole wall after taking off workpiece with same method, its measuring accuracy is the same with right-hand member endoporus.
It is simple that the present invention measures structure, measures easy and simple to handle, accurately can measure the diameter run-out of the workpiece two ends inner hole wall of hollow shaft type respectively.Due to the sheerly mechanicalness measurement of this cubing, less demanding to measuring condition, therefore be particularly suitable for production scene on-line checkingi use, be conducive to quality management, be conducive to enhancing productivity.
Claims (2)
1. a tubular shaft two ends inner hole wall diameter run-out cubing, it comprises pedestal (1), fixed rack (2) and travel(l)ing rest (3), described pedestal (1) is rectangular panel blocks, length direction one end, plate face is fixedly connected with fixed rack (2), uniform three of the other end is parallel to each other and towards the cannelure of upper shed, being positioned at middle groove is rectangular channel, point is located at the T-slot of both sides for locking travel(l)ing rest (3), described travel(l)ing rest (3) is angular member, bottom is provided with the rectangular strip (3.5) of evagination down, rectangular strip (3.5) and pedestal (1) slot fit placed in the middle forms craspedodrome track structure, travel(l)ing rest (3) top is equipped by rolling center (3.1), axle sleeve (3.2), spring (3.3) and sector gear (3.4) composition axial adjustable location structure, in fixed rack (2) the top location and installation top (2.2) that pedestal (1) other end connects, rolling center (3.1) coaxial cable that horizontal top (2.2) and the other end match in travel(l)ing rest (3), the upper dial gauge (2.1) installed of fixed rack (2) is positioned at top (2.2) side, both are parallel to each other by axis, it is characterized in that: described top (2.2) are provided with groove towards the side of workpiece one end, the dihedral gauge head (2.3) inserted in groove is hinged with bearing pin (2.5), dihedral gauge head (2.3) longitudinal edge that dead axle swings is by upper extension spring (2.4) tractive installed of fixed rack (2), make contact, axial limit come to inner hole of workpiece wall, the longitudinal edge change in location of interlock quantizes display by the dial gauge contacted (2.1).
2. inner hole wall diameter run-out cubing in tubular shaft two ends according to claim 1, it is characterized in that: the axial limit of described dihedral gauge head (2.3) and longitudinal edge connection at a right angle, the distance that through hole center contact longitudinal edge to axial limit contact center Distance geometry to dial gauge (2.1) gauge outfit of bearing pin (2.5) is installed by corner is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410650961.7A CN104390543A (en) | 2014-11-17 | 2014-11-17 | Gauge for radial run-out of inner bore walls at two ends of hollow shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410650961.7A CN104390543A (en) | 2014-11-17 | 2014-11-17 | Gauge for radial run-out of inner bore walls at two ends of hollow shaft |
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|---|---|
| CN104390543A true CN104390543A (en) | 2015-03-04 |
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| CN201410650961.7A Pending CN104390543A (en) | 2014-11-17 | 2014-11-17 | Gauge for radial run-out of inner bore walls at two ends of hollow shaft |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547208A (en) * | 2015-12-18 | 2016-05-04 | 天津天海同步科技有限公司 | Circular runout checking fixture |
| CN105737710A (en) * | 2016-02-23 | 2016-07-06 | 电子科技大学 | Device of detecting axial and radial runout of shaft parts |
| CN107202561A (en) * | 2017-07-31 | 2017-09-26 | 中核(天津)科技发展有限公司 | Multi-diameter shaft jitter detection apparatus and detection method |
| CN107246855A (en) * | 2017-07-31 | 2017-10-13 | 中核(天津)科技发展有限公司 | Positioner and localization method for multi-diameter shaft glitch detection |
| CN107894199A (en) * | 2017-11-06 | 2018-04-10 | 无锡鹰贝精密轴承有限公司 | Piston component fit clearance cubing |
| CN108180887A (en) * | 2018-01-19 | 2018-06-19 | 铜陵市三圆特种铸造有限责任公司 | The pivot angle detecting tool and its detection method of a kind of universal connecting shaft irregularly-shaped hole |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1161380A (en) * | 1967-04-11 | 1969-08-13 | Commissariat Energie Atomique | Device for Inspecting a Solid Limited by Two Substantially Concentric Spherical Segments |
| CN102519347A (en) * | 2011-12-20 | 2012-06-27 | 上海电气电站设备有限公司 | Inner hole radial circle run-out detecting tool |
| CN202522162U (en) * | 2011-12-23 | 2012-11-07 | 苏州工业职业技术学院 | Run-out degree or circularity measuring tool |
| CN203024675U (en) * | 2012-11-16 | 2013-06-26 | 东方电气(广州)重型机器有限公司 | Longhole survey tool |
| CN203100645U (en) * | 2013-03-13 | 2013-07-31 | 上海飞华汽车部件有限公司 | Checking fixture for coaxial jumpiness of inner circle and outer circle of hollow shaft |
| CN204188099U (en) * | 2014-11-17 | 2015-03-04 | 江苏太平洋精锻科技股份有限公司 | Axle class end internal orifice dimension is to bounce gauge |
-
2014
- 2014-11-17 CN CN201410650961.7A patent/CN104390543A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1161380A (en) * | 1967-04-11 | 1969-08-13 | Commissariat Energie Atomique | Device for Inspecting a Solid Limited by Two Substantially Concentric Spherical Segments |
| CN102519347A (en) * | 2011-12-20 | 2012-06-27 | 上海电气电站设备有限公司 | Inner hole radial circle run-out detecting tool |
| CN202522162U (en) * | 2011-12-23 | 2012-11-07 | 苏州工业职业技术学院 | Run-out degree or circularity measuring tool |
| CN203024675U (en) * | 2012-11-16 | 2013-06-26 | 东方电气(广州)重型机器有限公司 | Longhole survey tool |
| CN203100645U (en) * | 2013-03-13 | 2013-07-31 | 上海飞华汽车部件有限公司 | Checking fixture for coaxial jumpiness of inner circle and outer circle of hollow shaft |
| CN204188099U (en) * | 2014-11-17 | 2015-03-04 | 江苏太平洋精锻科技股份有限公司 | Axle class end internal orifice dimension is to bounce gauge |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547208A (en) * | 2015-12-18 | 2016-05-04 | 天津天海同步科技有限公司 | Circular runout checking fixture |
| CN105737710A (en) * | 2016-02-23 | 2016-07-06 | 电子科技大学 | Device of detecting axial and radial runout of shaft parts |
| CN105737710B (en) * | 2016-02-23 | 2019-02-22 | 电子科技大学 | A device for automatic detection of axial and radial runout of shaft parts |
| CN107202561A (en) * | 2017-07-31 | 2017-09-26 | 中核(天津)科技发展有限公司 | Multi-diameter shaft jitter detection apparatus and detection method |
| CN107246855A (en) * | 2017-07-31 | 2017-10-13 | 中核(天津)科技发展有限公司 | Positioner and localization method for multi-diameter shaft glitch detection |
| CN107894199A (en) * | 2017-11-06 | 2018-04-10 | 无锡鹰贝精密轴承有限公司 | Piston component fit clearance cubing |
| CN108180887A (en) * | 2018-01-19 | 2018-06-19 | 铜陵市三圆特种铸造有限责任公司 | The pivot angle detecting tool and its detection method of a kind of universal connecting shaft irregularly-shaped hole |
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Application publication date: 20150304 |
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