CN204373568U - A kind of measurement mechanism of the pitch diameter of external thread on deflection detector - Google Patents
A kind of measurement mechanism of the pitch diameter of external thread on deflection detector Download PDFInfo
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- CN204373568U CN204373568U CN201520034400.4U CN201520034400U CN204373568U CN 204373568 U CN204373568 U CN 204373568U CN 201520034400 U CN201520034400 U CN 201520034400U CN 204373568 U CN204373568 U CN 204373568U
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- metering
- lever
- pin
- type micrometer
- lathe bed
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Abstract
The utility model discloses a kind of measurement mechanism of the pitch diameter of external thread on deflection detector, this device comprises lathe bed and measures bracket institution, this measurement bracket institution comprises lever-type micrometer and metering three pin pegs and measures three pins, this lathe bed upper surface is left, to having, a left side is top and the right side is top on right side, this lathe bed upper surface has along left, the lower bottom base that dextrad is slided, before this lower bottom base upper end has, rear is to the upper bed-plate slided, this upper bed-plate is fixed with lever-type micrometer, this metering three pin peg is assembled on lever-type micrometer by metering three needle rack of " tower " shape, this metering three pin peg is hung with metering three pin, the top top center in the top center that the gage button center of this lever-type micrometer, this left side are top and this right side is all in same plane, and this plane is parallel with face, one-tenth face, lathe bed upper surface.Be suitable for the measurement needs of different tested whorl work piece, and the reasonable Arrangement mode of this measurement mechanism, make the better standardization of operation, greatly improve work efficiency.
Description
Technical field
The utility model relates to screw measurement device, specifically a kind of measurement mechanism of the pitch diameter of external thread on deflection detector.
Background technology
Three-needle measuring pitch diameter of external thread is a kind of method of the indirect inspection pitch diameter of thread.During measurement, be placed in the alveolus of tested screw thread by three very high, that diameter is identical metering pins of precision, with measurement instrument such as milscale, mechanical comparator, the light of measuring outside dimension, comparatively size measured by instrument, horizontal metroscope etc.Again according to pitch, the thread form half-angle and metering pin diameter etc. of tested screw thread, calculate pitch diameter of thread d
2, computing formula is: d
2=M-3d
0+ 0.866P.Wherein M is measured value, d
0be metering pin diameter, P is pitch.
But the method generally measuring now pitch diameter of external thread is, should hold tested part, to hold steadily again metering three pin and milscale, measure very inconvenient, measure efficiency low, obviously inapplicable for large-scale measurement, operation is also extremely lack of standardization, easily causes measurement numerical value inaccurate.
Summary of the invention
The purpose of this utility model is: for above-mentioned the deficiencies in the prior art, provides that a kind of work efficiency is high, applicability is strong, the measurement mechanism of normalized a kind of pitch diameter of external thread on deflection detector.
The technical solution adopted in the utility model is, a kind of measurement mechanism of the pitch diameter of external thread on deflection detector, described device comprises lathe bed and measures bracket institution, this measurement bracket institution is primarily of lever-type micrometer and metering three pin pegs and measure three pin compositions, described lathe bed upper surface is left, right side correspondence is furnished with left top top with the right side, this lathe bed upper surface is equipped with along left, the lower bottom base that right direction is slided, before this lower bottom base upper end is equipped with, rear is to the upper bed-plate slided, described upper bed-plate is fixed with lever-type micrometer, described metering three pin peg is assembled on lever-type micrometer by metering three needle rack, this metering three pin peg is hung with metering three pin, wherein, described metering three needle rack becomes " tower " shape, be connected with lever-type micrometer bottom its " tower " shape, its top is connected with metering three pin pegs, the top top center in the top center that the gage button center of described lever-type micrometer, a described left side are top and the described right side is all in same plane, and this plane is parallel with face, one-tenth face, lathe bed upper surface.
Described metering three pin peg is assemblied in the lever-type micrometer reading side of lever-type micrometer on one side.
Further, described metering three pin peg suspended on metering three pin connected by suspender belt ring.
Described lathe bed and lower bottom base, lower bottom base and upper bed-plate and between upper bed-plate and lever-type micrometer, use trip bolt fastening respectively.
The beneficial effects of the utility model are: the utility model is not only in both direction in length and breadth, measure the change measuring position that bracket institution can slide, be applicable to the measurement needs of different tested whorl work piece, the reasonable Arrangement mode of this measurement mechanism, operation is standardized more, greatly improve work efficiency, the gage button center of the described lever-type micrometer simultaneously in this device, the top top center in the top center that a described left side in device is top and the described right side is all in same level plane, and this plane is parallel with face, one-tenth face, lathe bed upper surface, ensure that direction of measurement is by tested thread spindle section, reduce measuring error, and metering three needle rack in this measurement mechanism becomes " tower " shape, better improve the stability of measurement.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that the utility model measures bracket institution.
Code name implication in figure: 1-lathe bed; 101-left top; 102-right top; 103-lower bottom base; 104-upper bed-plate; 105-trip bolt; 2-lever-type micrometer; 201-lever-type micrometer reading side; 3-measure three pin pegs; 4-measure three needle racks; 5-measure three pins; 6-suspender belt ring; 7-measured workpiece; 8 fastening bolts.
Embodiment
Shown in Fig. 1, Fig. 2: the utility model is a kind of measurement mechanism of the pitch diameter of external thread on deflection detector, comprising lathe bed 1 upper surface described in lathe bed 1(is a surface level, lathe bed 1 upper surface for deflection detector) and measure bracket institution, this measurement bracket institution forms primarily of lever-type micrometer 2 and metering three pin pegs 3 and metering three pins 5.The top center on the gage button center of the described lever-type micrometer 2 in this device, a described left side top 101 and the top center on the described right side top 102 are all in same level plane, and this plane is parallel with face, one-tenth face, lathe bed 1 upper surface, thus ensure that direction of measurement is by tested thread spindle section, reduces measuring error.
Wherein, lathe bed 1 upper surface of described deflection detector is left, right side correspondence is furnished with left top 101 and the right side top 102, for fixing the positioning supports of measured workpiece 7, (lathe bed 1 upper surface here refers to lathe bed 1 upper end face in this lathe bed 1 upper surface, and this upper end face is surface level) be equipped with along left by the guide rail on deflection detector, the lower bottom base 103 that right direction is slided, for on a left side, slip in right direction, to be adjusted behind measuring position, fastening with the trip bolt 105 of lower end, this lathe bed 1 upper surface and lower bottom base 103 lower end respectively correspondence are provided with guideway.Before this lower bottom base 103 upper end is equipped with, rear is to the upper bed-plate 104 slided, before adjustment, the position that rear is upwards measured, to be adjusted behind measuring position, fastening with the trip bolt 105 of intermediate ends, this lower bottom base 103 upper end and upper bed-plate lower end be the corresponding guide groove being provided with T-shape guide groove guide rail and coupling respectively, with the trip bolt 105 truck dead lever milscale 2 of upper end on this upper bed-plate 104, the suspension of this lever-type micrometer 2 upper end is equipped with metering three pin peg 3, this metering three pin peg 3 is assembled on lever-type micrometer 2 by metering three needle rack 4, and (namely this metering three needle rack 4 and fastening bolt 8 form isosceles triangle shape, described metering three needle rack 4 one-tenth " tower " shapes, its " tower " shape bottom is connected by fastening bolt 8 with lever-type micrometer 2, its top is connected with metering three pin pegs 3, measuring three pin peg 3 one end inserts in " tower " shape top connecting hole of metering three needle rack 4, this hole can be threaded hole, measure the screw mandrel that three pin pegs 3 can make insertion end corresponding threaded hole, also can be an interference fit, fixing relative position), improve the stability of metering three needle rack 4, its two isosceles limit symmetry loads on lever-type micrometer 2 two sides, fix to clamp with fastening bolt 8, and be assemblied in one end, lever-type micrometer reading side 201 of lever-type micrometer 2, require that this metering three pin peg 3 is along front, rear is upwards arranged, described metering three pin peg 3(is according to measuring the peg needing to select different length, and this peg is dismountable) on suspended on the metering three pin 5(that connected by suspender belt ring 6 or tie up to metering three pin peg 3 with a rope and measure between three pins 5), prepare for measuring.
In technique scheme, this metering three pin peg 3 is assembled on lever-type micrometer 2 by metering three needle rack 4, also can assemble by other modes, as: this metering three pin peg 3 makes the shape of one 90 ° bendings, one end is connected on lever-type micrometer 2, and the other end is as the lever hanging metering three pin; This metering three pin peg 3 is assemblied in one end, lever-type micrometer reading side 201 of lever-type micrometer 2, also can be assemblied in other positions on bar milscale 2, as: the opposite side of the lever-type micrometer reading side 201 of lever-type micrometer 2; Above-mentioned slidable fit use the guide groove of guide rail and coupling be slidably connected, also can carry out coordinating or arranging even, intensive fixed orifice in former rail-sides with roller, after adjusting measuring position, establish same mating hole by former guide groove side, connected by screw; Above-mentioned metering three needle rack 4 also can become other support shapes, as: trapezoidal shape etc.
The technical scheme of above embodiment, only in order to the utility model to be described, is not intended to limit.
Claims (4)
1. the measurement mechanism of the pitch diameter of external thread on deflection detector, it is characterized in that: described device comprises lathe bed (1) and measures bracket institution, this measurement bracket institution is primarily of lever-type micrometer (2) and metering three pin pegs (3) and measure three pins (5) composition, described lathe bed (1) upper surface left and right side correspondence is furnished with left top (101) and the right side top (102), this lathe bed (1) upper surface is equipped with the lower bottom base (103) slided along left and right direction, and this lower bottom base (103) upper end is equipped with the upper bed-plate (104) that front and rear direction is slided; Described upper bed-plate (104) is fixed with lever-type micrometer (2), described metering three pin peg (3) is assembled on lever-type micrometer (2) by metering three needle rack (4), this metering three pin peg (3) is hung with metering three pin (5), wherein, described metering three needle rack (4) becomes " tower " shape, be connected with lever-type micrometer (2) bottom its " tower " shape, its top is connected with metering three pin pegs (3); The top center of the gage button center of described lever-type micrometer (2), a described left side top (101) and the top center of the described right side top (102) are all in same level, and this plane is parallel with face, one-tenth face, lathe bed (1) upper surface.
2. the measurement mechanism of the pitch diameter of external thread according to claim 1 on deflection detector, is characterized in that: described metering three pin peg (3) is assemblied in the lever-type micrometer reading side (201) of lever-type micrometer (2).
3. the measurement mechanism of the pitch diameter of external thread according to claim 1 or 2 on deflection detector, is characterized in that: described metering three pin peg (3) suspended on metering three pin (5) connected by suspender belt ring (6).
4. the measurement mechanism of the pitch diameter of external thread according to claim 1 on deflection detector, is characterized in that: described lathe bed (1) and lower bottom base (103), lower bottom base (103) and upper bed-plate (104) and use trip bolt (105) fastening between upper bed-plate (104) and lever-type micrometer (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034400.4U CN204373568U (en) | 2015-01-19 | 2015-01-19 | A kind of measurement mechanism of the pitch diameter of external thread on deflection detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034400.4U CN204373568U (en) | 2015-01-19 | 2015-01-19 | A kind of measurement mechanism of the pitch diameter of external thread on deflection detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204373568U true CN204373568U (en) | 2015-06-03 |
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ID=53329782
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520034400.4U Active CN204373568U (en) | 2015-01-19 | 2015-01-19 | A kind of measurement mechanism of the pitch diameter of external thread on deflection detector |
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|---|---|
| CN (1) | CN204373568U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356179A (en) * | 2017-08-21 | 2017-11-17 | 贵州航太精密制造有限公司 | A kind of three-needle measuring fixing device |
| CN109297379A (en) * | 2018-11-19 | 2019-02-01 | 台山核电合营有限公司 | A kind of size screw thread micrometer automatic verification system |
| CN113654430A (en) * | 2021-06-28 | 2021-11-16 | 中国航空工业标准件制造有限责任公司 | Clamp for detecting polished rod bounce by taking pitch diameter of threads as reference and detection method thereof |
-
2015
- 2015-01-19 CN CN201520034400.4U patent/CN204373568U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356179A (en) * | 2017-08-21 | 2017-11-17 | 贵州航太精密制造有限公司 | A kind of three-needle measuring fixing device |
| CN107356179B (en) * | 2017-08-21 | 2023-07-11 | 贵州航太精密制造有限公司 | Three-needle measurement fixing device |
| CN109297379A (en) * | 2018-11-19 | 2019-02-01 | 台山核电合营有限公司 | A kind of size screw thread micrometer automatic verification system |
| CN113654430A (en) * | 2021-06-28 | 2021-11-16 | 中国航空工业标准件制造有限责任公司 | Clamp for detecting polished rod bounce by taking pitch diameter of threads as reference and detection method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |