CN102519347B - Inner hole radial circle run-out detecting tool - Google Patents

Inner hole radial circle run-out detecting tool Download PDF

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Publication number
CN102519347B
CN102519347B CN201110428372.0A CN201110428372A CN102519347B CN 102519347 B CN102519347 B CN 102519347B CN 201110428372 A CN201110428372 A CN 201110428372A CN 102519347 B CN102519347 B CN 102519347B
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China
Prior art keywords
hollow tube
detecting tool
support bar
hole radial
bearing
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CN201110428372.0A
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Chinese (zh)
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CN102519347A (en
Inventor
赵文兵
张国永
诸国英
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Shanghai Electric Power Generation Equipment Co Ltd
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Shanghai Electric Power Generation Equipment Co Ltd
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Abstract

The invention discloses an inner hole radial circle run-out detecting tool, which comprises a supporting rod and a hollow tube. The rear end of the supporting rod is inserted into the front end of the hollow tube, the supporting rod is provided with a movable sleeve, the movable sleeve with the adjustable position is fixed on the supporting rod, the hollow tube is provided with a fixed sleeve, a spring is disposed between the movable sleeve and the fixed sleeve, a rod head is arranged at the front end of the supporting rod, a base is arranged at the rear end of the hollow tube, a radial bearing is disposed on the lower surface of the rod head, two radial bearings are disposed on the lower surface of the base, a position-adjustable dial indicator support is disposed on the hollow tube, and a dial indicator is arranged on the dial indicator support. The inner hole radial circle run-out detecting tool has the advantages of lightness, simplicity, convenience in movement and service and stableness and reliability in measurement, has good generality, and is applicable to measuring inner circles with different diameters.

Description

Inner hole radial circle run-out detecting tool
Technical field
The present invention relates to a kind of testing tool, particularly a kind of instrument for internal orifice dimension is beated and detected to circle.
Background technology
In machinery production manufacture process, the concentricity when guaranteeing Assembly of the parts, often need to measure certain inner bore of part with respect to the radial run-out of a certain given benchmark inner circle to determine its concentricity.At present part adds man-hour its concentricity and can well be guaranteed by machine tool accuracy, and on-line measurement very easily, but comparatively complicated while measuring part concentricity in assembling process, the testing tool structure of measuring at present part concentricity in assembling process is all comparatively complicated, and testing result be not very accurately, stable, will cause harmful effect to the assembling of workpiece like this.Have current inner hole radial circle run-out detecting tool versatility bad again, for the part of different-diameter, often need to design different survey instruments, the production cost of Ye Huishi enterprise increases like this.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the object of this invention is to provide a kind of simple in structure, versatility good, measures the inner hole radial circle run-out detecting tool of accurate stable.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of inner hole radial circle run-out detecting tool, it comprises a support bar and a hollow tube, the front end of described hollow tube is inserted in the rear end of described support bar, described support bar is provided with a quill, what described quill position was adjustable is fixed on described support bar, described hollow tube is provided with a fixed muffle, between described quill and described fixed muffle, be provided with spring, described support bar front end is provided with a bar head, the rear end of described hollow tube is provided with a base, the lower surface of described bar head is provided with a transverse bearing, the lower surface of described base is provided with two transverse bearings, described hollow tube is provided with the adjustable dial indicator bracket in a position, described dial indicator bracket is provided with dial gauge.
Preferably, the transverse bearing on described bar head is positioned on the axis of described hollow tube, and two transverse bearings of described base are symmetrical along the axis of described hollow tube,
Preferably, the front end face of described bar head is provided with end face bearing, and the rear end face of described base is provided with end face bearing, and the axis of described end face bearing is vertical with the axis of described transverse bearing.
Preferably, described support bar, hollow tube are aluminum pipe or plastic tube.
Preferably, described bar head is bonding with described support bar or be threaded.
Preferably, described fixed muffle is fixed on the front end of described hollow tube.
Technique scheme has following beneficial effect: this inner hole radial circle run-out detecting tool in use, according to the difference of diameter of a circle in benchmark, first regulate support bar to insert the degree of depth of hollow tube and the position of quill, bar head is contacted with the inner peripheral surface of part benchmark inner circle respectively under the effect of spring force with the transverse bearing on base, and bar head and base are supported on the upper surface of benchmark inner circle, then regulate the position of dial indicator bracket on hollow tube, the measuring staff of dial gauge is contacted with the inner peripheral surface of the endoporus that needs to detect, now rotate this testing tool, the reading of observing dial gauge can be determined the radial run-out value of endoporus, and then the concentricity of definite benchmark inner circle and endoporus.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and coordinate accompanying drawing to be elaborated to this patent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the enlarged diagram at embodiment of the present invention C place.
Fig. 3 be embodiment of the present invention D place enlarged diagram.
Vertical view when Fig. 4 is embodiment of the present invention use.
Front view when Fig. 5 is embodiment of the present invention use.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, 2, 3, this inner hole radial circle run-out detecting tool comprises a support bar 2 and a hollow tube 6, and the front end of hollow tube 6 is inserted in the rear end of support bar 2, and support bar 2 front ends are provided with a bar head 1, and the rear end of hollow tube 6 is provided with a base 9.Support bar 2 is provided with a quill 3, and what quill 3 positions were adjustable is fixed on support bar 2.Hollow tube 6 front ends are provided with a fixed muffle 5, and fixed muffle 5 is fixedly connected with hollow tube 6, between quill 3 and fixed muffle 5, are provided with spring 4.
The lower surface of bar head 1 is provided with a transverse bearing 12, the front end face of bar head 1 is provided with two end face bearings 11,13, the lower surface of base 9 is provided with two transverse bearings 92,93, the rear end face of base 9 is provided with two end face bearings 91,94, and the axis of end face bearing is vertical with the axis of described transverse bearing.Transverse bearing 12 on bar head 1 is positioned on the axis of hollow tube 6, and two transverse bearings, 92,93 axis along hollow tube 6 of base 9 are symmetrical.Above-mentioned each bearing is inner ring and fixes, and outer ring can rotate freely.Hollow tube 6 is provided with the adjustable dial indicator bracket in a position 7, and dial indicator bracket 7 is provided with dial gauge 8.
This testing tool is for detection of part 10 as shown in Figure 4,5, part 10 is provided with a benchmark inner circle 14 and an endoporus 15 to be detected, and this testing tool can be determined concentricity between the two with respect to the radial run-out value of benchmark inner circle 14 by definite endoporus 15.
This inner hole radial circle run-out detecting tool in use, according to the difference of benchmark inner circle 14 diameters, first regulate support bar 2 to insert the degree of depth of hollow tube 6 and the position of quill 3, make transverse bearing 12, 92, 93 contact (transverse bearing 12 with the inner peripheral surface of benchmark inner circle 14 respectively under the effect of spring 4 elastic force, 92, just can determine a disc at 93 3), and make the end face bearing 11 on bar head 1 and base 9, 13, 91, 94 are supported on the upper surface of benchmark inner circle 14, then regulate the position of dial indicator bracket 7 on hollow tube 6, the measuring staff of dial gauge 8 is contacted with the inner peripheral surface of the endoporus 15 that needs to detect, now rotate this testing tool, the reading of observing dial gauge can be determined the radial run-out value of endoporus, and then the concentricity of definite benchmark inner circle and endoporus.
While rotating this testing tool, transverse bearing 12,92,93 inner peripheral surfaces along benchmark inner circle 14 roll, and can guarantee that the rotation center of this testing tool is consistent with benchmark inner circle; End face bearing 11,13,91,94 rolls on the end face of benchmark inner circle 14 simultaneously, can guarantee the rotation of this instrument steadily.Support bar 2, hollow tube 6 are the light pipes such as aluminum pipe or plastic tube, lighter weight, and it is more convenient to rotate, regulate.
This inner hole radial circle run-out detecting tool has lightly simple, mobile and easy to use, the reliable advantage of Measurement sensibility, has good versatility, the measurement of applicable different-diameter inner circle.
A kind of the inner hole radial circle run-out detecting tool above embodiment of the present invention being provided is described in detail; for one of ordinary skill in the art; thought according to the embodiment of the present invention; all will change in specific embodiments and applications; in sum; this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.

Claims (5)

1. an inner hole radial circle run-out detecting tool, it is characterized in that: it comprises a support bar and a hollow tube, the front end of described hollow tube is inserted in the rear end of described support bar, described support bar is provided with a quill, what described quill position was adjustable is fixed on described support bar, described hollow tube is provided with a fixed muffle, between described quill and described fixed muffle, be provided with spring, described support bar front end is provided with a bar head, the rear end of described hollow tube is provided with a base, the lower surface of described bar head is provided with a transverse bearing, the lower surface of described base is provided with two transverse bearings, described hollow tube is provided with the adjustable dial indicator bracket in a position, described dial indicator bracket is provided with dial gauge, transverse bearing on described bar head is positioned on the axis of described hollow tube, two transverse bearings of described base are symmetrical along the axis of described hollow tube.
2. inner hole radial circle run-out detecting tool according to claim 1, it is characterized in that: the front end face of described bar head is provided with end face bearing, the rear end face of described base is provided with end face bearing, and the axis of described end face bearing is vertical with the axis of described transverse bearing.
3. inner hole radial circle run-out detecting tool according to claim 1, is characterized in that: described support bar, hollow tube are aluminum pipe or plastic tube.
4. inner hole radial circle run-out detecting tool according to claim 1, is characterized in that: described bar head is bonding with described support bar or be threaded.
5. inner hole radial circle run-out detecting tool according to claim 1, is characterized in that: described fixed muffle is fixed on the front end of described hollow tube.
CN201110428372.0A 2011-12-20 2011-12-20 Inner hole radial circle run-out detecting tool Active CN102519347B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110428372.0A CN102519347B (en) 2011-12-20 2011-12-20 Inner hole radial circle run-out detecting tool

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Application Number Priority Date Filing Date Title
CN201110428372.0A CN102519347B (en) 2011-12-20 2011-12-20 Inner hole radial circle run-out detecting tool

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CN102519347A CN102519347A (en) 2012-06-27
CN102519347B true CN102519347B (en) 2014-02-19

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102829699B (en) * 2012-08-03 2015-06-17 上海电气电站设备有限公司 Device and method for measuring gap between steam turbine movable blades and cylinder inner wall
CN102967249B (en) * 2012-11-14 2016-02-24 沈阳黎明航空发动机(集团)有限责任公司 A kind of measuring tool of the many round mouths pulsation measurement based on part self
CN103322887A (en) * 2013-06-27 2013-09-25 林全忠 Perpendicularity gauge
CN103471486A (en) * 2013-08-19 2013-12-25 浙江吉利汽车研究院有限公司 Detection device and detection method for cross-hatch angle measurement of cylinder hole of cylinder body
CN104390543A (en) * 2014-11-17 2015-03-04 江苏太平洋精锻科技股份有限公司 Gauge for radial run-out of inner bore walls at two ends of hollow shaft
CN104330007A (en) * 2014-11-17 2015-02-04 江苏太平洋精锻科技股份有限公司 Hollow shaft inner bore radial runout checking fixture
CN108827201A (en) * 2018-06-06 2018-11-16 中电电机股份有限公司 One kind detecting outer circle trip gear on dynamic balancing machine

Citations (4)

* Cited by examiner, † Cited by third party
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
CN2082396U (en) * 1990-10-06 1991-08-07 杨根喜 Internal diameter testing instrument
CN1991293A (en) * 2005-11-30 2007-07-04 通用电气公司 Fixture and inspection method for an annular seal
CN201628535U (en) * 2010-04-06 2010-11-10 广西玉柴机器股份有限公司 Coaxiality detecting tool for cylinder hole and annular groove of cylinder body

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
CN2082396U (en) * 1990-10-06 1991-08-07 杨根喜 Internal diameter testing instrument
CN1991293A (en) * 2005-11-30 2007-07-04 通用电气公司 Fixture and inspection method for an annular seal
CN201628535U (en) * 2010-04-06 2010-11-10 广西玉柴机器股份有限公司 Coaxiality detecting tool for cylinder hole and annular groove of cylinder body

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