CN202074906U - Measuring device for measuring large end of taper hole - Google Patents

Measuring device for measuring large end of taper hole Download PDF

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Publication number
CN202074906U
CN202074906U CN2011201559645U CN201120155964U CN202074906U CN 202074906 U CN202074906 U CN 202074906U CN 2011201559645 U CN2011201559645 U CN 2011201559645U CN 201120155964 U CN201120155964 U CN 201120155964U CN 202074906 U CN202074906 U CN 202074906U
Authority
CN
China
Prior art keywords
measuring
taper hole
vernier caliper
big
support
Prior art date
Application number
CN2011201559645U
Other languages
Chinese (zh)
Inventor
焦春海
陈茗
Original Assignee
天津市中海上达机械制造有限公司
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Filing date
Publication date
Application filed by 天津市中海上达机械制造有限公司 filed Critical 天津市中海上达机械制造有限公司
Priority to CN2011201559645U priority Critical patent/CN202074906U/en
Application granted granted Critical
Publication of CN202074906U publication Critical patent/CN202074906U/en

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Abstract

The utility model relates to a measuring device for measuring a large end of a taper hole. The measuring device comprises a vernier caliper and is characterized in that a support is fixed on two measuring legs of the vernier caliper through a fastening piece, and a backing pin and a measuring contactor are installed on the outside of the support. The measuring device has the following advantages: the measuring device can be used for rapidly measuring the size of the large end of the taper hole, the workpiece is not required to be removed from the machine tool for real-time measurement, and the measuring accuracy is high. The measuring device has a simple structure, low manufacturing cost and wide application range.

Description

Be used for the measurer that the big end of taper hole is measured

Technical field

The utility model belongs to machining and measures apparatus, particularly relates to a kind of measurer that the big end of taper hole is measured that is used for.

Background technology

Run into the big end problems of measurement of taper hole through regular meeting in process of production, comparatively accurate usually measurement means is to adopt cone gauge or sine gauge to measure, and rough measurement is to use vernier caliper directly to measure.Produce in enormous quantities because cone gauge is applicable to high precision, for single and mini-batch production production, its production cost is too high, and the process-cycle is longer.When adopting sine gauge to measure the big end of taper hole, need special precision measuringtoll, and need the higher operating personnel of technical merit to operate, so be not suitable for the measurement of large-scale workpiece or irregular part.Adopt vernier caliper directly to measure,, cause measuring error bigger easily because the wearing and tearing of vernier caliper measurement end and axial measuring position are fixing.

Summary of the invention

The utility model for solve the technical matters that exists in the known technology provide a kind of simple in structure, measuring accuracy is high, cheap for manufacturing cost and versatility is good is used for the measurer that the big end of taper hole is measured.

The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: be used for the measurer that the big end of taper hole is measured, comprise vernier caliper, it is characterized in that: two of described vernier caliper is surveyed on the pin and is fixed with support by securing member, and described support is equipped with backing pin and measuring contacts on the outside.

The utility model can also adopt following technical scheme:

Described measuring contacts is a steel ball.

Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme, use this measurer can measure the big end size of taper hole fast, need not to dismantle workpiece on lathe can measure in real time, and the measuring accuracy height.This measurer is simple in structure, cheap for manufacturing cost, and the scope of application is extensive.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the utility model user mode figure.

Among the figure: 1, vernier caliper; 2, trip bolt; 3, support; 4, backing pin; 5, steel ball.

Embodiment

For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:

See also Fig. 1, be used for the measurer that the big end of taper hole is measured, comprise vernier caliper 1, two of described vernier caliper is surveyed on the pin and is fixed with support 3 by securing member, and in the present embodiment, described securing member is preferably trip bolt 2.Described support is equipped with backing pin 4 and measuring contacts on 3 outsides, and described measuring contacts is preferably steel ball 5.During installation, need each faying face of support and vernier caliper survey pin is adjacent to, and screw trip bolt, in order to avoid damage slide calliper rule with suitable power.

Principle of work of the present utility model is:

See also Fig. 2,,, in follow-up use, need not replication so must measure the modified value T of measuring contacts physical size and vernier caliper actual read number before using first because the measuring contacts of this measurer is the extension on the vernier caliper measurement benchmark.

Hand-held this measurer is adjacent to the big end end face of measured workpiece reliably with backing pin 4, and the sliding end of moving cursor slide calliper rule 1 makes the steel ball 5 at these measurer two ends contact with measured workpiece, tightens the lock-screw of vernier caliper 1.Shift out measurer, read indicating value by normal vernier caliper number reading method.This indicating value adds that it is the diameter D at A place that modified value T is apart from big end end face distance 1Calculate the big end dimension D of taper hole by following computing formula 2

It is to be noted that because measuring contacts adopts steel ball it contacts with taper hole and has a measuring error B.Measuring error B and steel ball radius and cone angle Relevant, its error amount can calculate as follows

Little when the measured workpiece tapering as can be known by formula, to measure hour with steel ball, measuring error B value can be ignored.But when the measured workpiece angle is big, need to consider the influence of measuring error B.

Claims (2)

1. one kind is used for the measurer that the big end of taper hole is measured, and comprises vernier caliper, it is characterized in that: two of described vernier caliper is surveyed on the pin and is fixed with support by securing member, and described support is equipped with backing pin and measuring contacts on the outside.
2. the measurer that is used for the big end measurement of taper hole according to claim 1, it is characterized in that: described measuring contacts is a steel ball.
CN2011201559645U 2011-05-13 2011-05-13 Measuring device for measuring large end of taper hole CN202074906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201559645U CN202074906U (en) 2011-05-13 2011-05-13 Measuring device for measuring large end of taper hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201559645U CN202074906U (en) 2011-05-13 2011-05-13 Measuring device for measuring large end of taper hole

Publications (1)

Publication Number Publication Date
CN202074906U true CN202074906U (en) 2011-12-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201559645U CN202074906U (en) 2011-05-13 2011-05-13 Measuring device for measuring large end of taper hole

Country Status (1)

Country Link
CN (1) CN202074906U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102589393A (en) * 2012-02-10 2012-07-18 上海锅炉厂有限公司 Measuring device for measuring groove bottom diameter and measuring method thereof
CN102967246A (en) * 2012-12-05 2013-03-13 柳州欧维姆机械股份有限公司 Inner cone obliquity steel ball measuring gauge and measuring method thereof
CN103278071A (en) * 2013-06-07 2013-09-04 江苏宏泰石化机械有限公司 Universal measuring tool and measuring method of diameter of trapezoid packing ring groove
CN103697786A (en) * 2013-12-19 2014-04-02 常州天山重工机械有限公司 Measuring tool and method for measuring size of large-excircle workpiece by adopting same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102589393A (en) * 2012-02-10 2012-07-18 上海锅炉厂有限公司 Measuring device for measuring groove bottom diameter and measuring method thereof
CN102967246A (en) * 2012-12-05 2013-03-13 柳州欧维姆机械股份有限公司 Inner cone obliquity steel ball measuring gauge and measuring method thereof
CN103278071A (en) * 2013-06-07 2013-09-04 江苏宏泰石化机械有限公司 Universal measuring tool and measuring method of diameter of trapezoid packing ring groove
CN103697786A (en) * 2013-12-19 2014-04-02 常州天山重工机械有限公司 Measuring tool and method for measuring size of large-excircle workpiece by adopting same

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111214

Termination date: 20150513

EXPY Termination of patent right or utility model