CN110940253A - Method for measuring three-spiral stabilizers with different diameters and equal pitches - Google Patents
Method for measuring three-spiral stabilizers with different diameters and equal pitches Download PDFInfo
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- CN110940253A CN110940253A CN201911110669.5A CN201911110669A CN110940253A CN 110940253 A CN110940253 A CN 110940253A CN 201911110669 A CN201911110669 A CN 201911110669A CN 110940253 A CN110940253 A CN 110940253A
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- stabilizer
- measured
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- gauge
- measuring rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
Abstract
The invention discloses a method for measuring a triple-helix stabilizer with equal pitches and different diameters, which adopts an aperture D0Greater than nominal diameter d of constant-pitch triple-helix stabilizer0The through ring gauge is matched with a feeler gauge for measurement; according to the diameter D of the through ring gauge0Measuring the rod diameter A0Calculating the actual diameter ds of the constant-pitch triple-helical stabilizer to be measured according to the thickness B of the feeler gauge; and judging whether the constant-pitch triple-helical stabilizer to be measured is qualified or out of tolerance according to the calculation result. The invention greatly reduces the workload of processing the ring passing gauge and the ring stopping gauge and also saves the processing cost of the measuring tool.
Description
Technical Field
The invention relates to a method for measuring a triple-helix stabilizer with different diameters and equal pitches, belonging to the technical field of measurement of helices.
Background
After a spiral groove is milled on a constant-pitch triple-spiral stabilizer in a drilling tool, the surface of a spiral ridge belt needs to be reprocessed, and after the reprocessed surface, the external circle size of the constant-pitch triple-spiral stabilizer cannot be measured by the conventional caliper, micrometer and dial indicator, but only can be indirectly measured by a ring gauge. When the ring gauge is used for indirect measurement, the ring gauge and the ring stop gauge meeting the tolerance requirement of the equal-pitch triple-helix stabilizer need to be machined according to the size of the outer circle of the equal-pitch triple-helix stabilizer. The uniform-pitch triple-helix stabilizer which can pass through the ring passing gauge but can not pass through the ring stopping gauge is qualified according with tolerance requirements. The circular gauge cannot pass through the constant-pitch triple-spiral stabilizer of the through ring gauge, and the constant-pitch triple-spiral stabilizer with the diameter larger than the tolerance requirement needs to be continuously processed. The equal-pitch triple-helix stabilizer which can pass through the stop ring gauge is a product with the diameter smaller than the tolerance requirement. In practical application, the excircle size of the equal-pitch triple-spiral stabilizer has various specifications, and each specification needs to be measured by processing a set of go-ring gauge and no-ring gauge which meet the tolerance requirement of the equal-pitch triple-spiral stabilizer in a matching way. The workload is large, the time and the materials are wasted, and the cost is high. Therefore, the prior art has shortcomings and needs to be further improved.
Disclosure of Invention
The invention aims to provide a method for measuring the three-spiral stabilizer with different diameters and equal thread pitches, which can finish measurement only by processing three equal-diameter measuring rods without manufacturing ring gauges with various specifications, thereby achieving the purpose of reducing the measurement cost and overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a method for measuring a triple-helix stabilizer with different diameters and equal pitches, which adopts an aperture D0Greater than nominal diameter d of constant-pitch triple-helix stabilizer0The through ring gauge is matched with three equal-diameter measuring rods and a feeler gauge for measurement; the measurement steps are as follows:
firstly, horizontally placing a constant-pitch triple-spiral stabilizer to be measured;
secondly, rotating the to-be-measured equal-pitch triple-spiral stabilizer to rotate the middle surface of one spiral ridge belt to the top;
thirdly, the aperture D is adjusted0Is larger than the nominal diameter d of the constant-pitch triple-helix stabilizer to be measured0The through ring gauge is sleeved in the middle of a spiral ridge belt of the equal-pitch triple-spiral stabilizer to be measured;
fourthly, inserting a first measuring rod between a spiral ridge belt at the top of the equal-pitch triple-spiral stabilizer to be measured and the ring gauge;
fifthly, inserting a second measuring rod between the constant-pitch triple-spiral stabilizer to be measured and the through ring gauge at the 120-degree included angle on the left side of the first measuring rod; then the first and second measuring rods are closely attached to the through ring gauge and the triple helix arris belt; a third measuring rod is inserted between the to-be-measured equal-pitch triple-helix stabilizer at the 120-degree included angle on the right side of the first measuring rod and the through ring gauge;
sixthly, if the third measuring rod cannot be inserted, the fact that the actual diameter ds of the constant-pitch triple-helix stabilizer to be measured is not processed to meet the tolerance requirement on the size is shown, and the processing is required to be continued;
if the third measuring rod can be inserted into a gap between the to-be-measured equal-pitch triple-spiral stabilizer at the 120-degree included angle on the right side of the first measuring rod and the ring passing gauge without a gap, the to-be-measured equal-pitch triple-spiral stabilizer is qualified;
if the third measuring rod can be inserted into a gap between the to-be-measured equal-pitch triple-spiral stabilizer and the through ring gauge at the 120-degree included angle on the right side of the first measuring rod and a gap is reserved, a clearance gauge is adopted to measure the gap between the third measuring rod and the through ring gauge to judge whether the actual diameter ds of the to-be-measured equal-pitch triple-spiral stabilizer exceeds the tolerance requirement under the size; if the product is not exceeded, the product is qualified, and if the product is exceeded, the product is discarded.
In the method for measuring the equal-pitch triple-helix stabilizers with different diameters, the diameters A of the first measuring rod, the second measuring rod and the third measuring rod0Equal, diameter A0＝(D0－d0) /2。
Due to the adoption of the technical scheme, compared with the prior art, the invention can finish the measurement of the constant-pitch triple-helix stabilizer to be measured with different specifications by only needing one through ring gauge and three equal-diameter measuring rods to be matched with the feelers. A set of go-through ring gauge and stop ring gauge are not required to be matched with each specification of constant-pitch triple-helix stabilizer to be measured. When the constant-pitch triple-helix stabilizer to be measured with different specifications needs to be measured, only three measuring rods with the same diameter need to be processed. The workload of processing the ring passing gauge and the ring stopping gauge is greatly reduced, and the processing cost of the measuring tool is also saved.
Drawings
FIG. 1 is a schematic of the process of the present invention;
FIG. 2 is a schematic diagram of a qualifier;
FIG. 3 is a schematic illustration of a raw to tolerance range;
FIG. 4 is a schematic view of an out-of-tolerance rejector;
fig. 5 is a schematic view of the machining allowance measurement.
The labels in the figures are: 1-a constant-pitch triple-spiral stabilizer to be measured, 2-a spiral ridge belt, 3-a through ring gauge, 4-a first measuring rod, 5-a second measuring rod, 6-a third measuring rod, 7-a feeler gauge and 8-.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention discloses a method for measuring a triple-helix stabilizer with different diameters and equal pitches, which comprises the following steps: the method adopts an aperture D0Greater than nominal diameter d of constant-pitch triple-helix stabilizer0The through ring gauge is matched with a feeler gauge for measurement; the measurement steps are as follows:
firstly, horizontally placing a constant-pitch triple-helical stabilizer 1 to be measured;
secondly, rotating the to-be-measured equal-pitch triple-spiral stabilizer 1 to rotate the middle surface of one spiral ridge belt 2 to the top;
thirdly, the aperture D is adjusted0Is larger than the nominal diameter d of the constant-pitch triple-helix stabilizer 1 to be measured0The through ring gauge 3 is sleeved in the middle of a spiral ridge belt 2 of the constant-pitch triple-spiral stabilizer 1 to be measured;
fourthly, inserting a first measuring rod 4 between the spiral ridge belt 2 at the top of the equal-pitch triple-spiral stabilizer 1 to be measured and the through ring gauge 3;
fifthly, inserting a second measuring rod 5 between the constant-pitch triple-helix stabilizer 1 to be measured at the 120-degree included angle on the left side of the first measuring rod and the ring gauge 3; then a third measuring rod 6 is inserted between the to-be-measured equal-pitch triple-helix stabilizer 1 at the 120-degree included angle on the right side of the first measuring rod and the through ring gauge 3;
sixthly, if the third measuring rod 6 cannot be inserted, the actual diameter ds of the constant-pitch triple-helix stabilizer 1 to be measured is not processed to meet the tolerance requirement on the dimension, and the processing is required to be continued;
if the third measuring rod can be inserted into a gap between the to-be-measured equal-pitch triple-spiral stabilizer 1 and the through ring gauge 3 at the 120-degree included angle on the right side of the first measuring rod without a gap, the to-be-measured equal-pitch triple-spiral stabilizer 1 is qualified; if the third measuring rod 6 can be inserted into a gap between the to-be-measured equal-pitch triple-spiral stabilizer 1 and the through ring gauge 3 at the 120-degree included angle on the right side of the first measuring rod and a gap is reserved, the clearance between the third measuring rod 6 and the through ring gauge 3 is measured by the feeler gauge 7 to judge whether the actual diameter ds of the to-be-measured equal-pitch triple-spiral stabilizer exceeds the tolerance requirement under the size; if the product is not exceeded, the product is qualified, and if the product is exceeded, the product is discarded.
The diameter A of the first measuring stick 4, the second measuring stick 5 and the third measuring stick 60Equal, diameter A0＝(D0－d0)/2。
In practice, the measurement method according to the invention is as follows:
the measuring tool of the invention comprises an internal diameter D0The go gauge, the no-go gauge and the three outer diameters are all A0The measuring bar of (4). Nominal diameter d of the constant-pitch triple-helix stabilizer to be measured0(ii) a Wherein A is0＝(D0－d0)/2。
During measurement, a first measuring rod and a second measuring rod are inserted firstly, and whether the measuring rod is qualified or not is judged according to whether the third measuring rod can be inserted or not.
As shown in fig. 2, the third dipstick was inserted with no gap as acceptable. When the gap of the third measuring rod is less than 0.05mm after the third measuring rod is inserted, the non-return gauge is adopted to measure once again, and the third measuring rod cannot be inserted into the non-return gauge during the non-return gauge measurement and is a qualified device.
As shown in figure 3, the third measuring bar is discarded due to the out-of-tolerance when a clearance is not less than 0.1mm measured by a feeler gauge.
Actual size ds ═ D of constant-pitch triple-helix stabilizer to be measured0－2×A0- (2 XB/3) in which B is the feeler gauge measurement. Tolerance Δ d-nominal dimension d0-the actual size ds.
As shown in FIG. 4, the interference between the third measuring bar and the to-be-measured triple helical stabilizer with equal pitch cannot be inserted, which indicates that the measuring bar is not machined to the tolerance range, and the measuring bar can be continuously machined to a qualified device
The machining allowance is shown in FIG. 5, the third measuring bar can be changed into a small-diameter measuring bar 8 and a clearance gauge 7 for measurement, and the diameter Ax of the small-diameter measuring bar 8<A0。
Ds ═ D of constant-pitch triple-helix stabilizer to be measured0－A0－B－[(A0－B)/3]In the above formula, B is (feeler measurement value + small-diameter gauge 8 diameter Ax). The machining allowance Δ d is equal to the actual dimension ds-nominal dimension d0。
All of the above dimensional units are in millimeters (mm).
The invention can finish the measurement of the constant-pitch triple-spiral stabilizers to be measured with different specifications only by matching one through ring gauge and three equal-diameter measuring rods with the feelers. A set of go-through ring gauge and stop ring gauge are not required to be matched with each specification of constant-pitch triple-helix stabilizer to be measured. When the constant-pitch triple-helix stabilizer to be measured with different specifications needs to be measured, only three measuring rods with the same diameter need to be processed. The workload of processing the ring passing gauge and the ring stopping gauge is greatly reduced, and the processing cost of the measuring tool is also saved.
Claims (2)
1. A method for measuring the three-spiral stabilizer with different diameters and equal pitch is characterized in that: the method adopts an aperture D0Greater than nominal diameter d of constant-pitch triple-helix stabilizer0The through ring gauge is matched with three equal-diameter measuring rods and a feeler gauge for measurement; the measurement steps are as follows:
firstly, horizontally placing a constant-pitch triple-spiral stabilizer (1) to be measured;
secondly, rotating the three-spiral stabilizer (1) with equal pitch to be measured to rotate the middle surface of one spiral ridge belt (2) to the top;
thirdly, the aperture D is adjusted0Is larger than the nominal diameter d of the constant-pitch triple-helix stabilizer (1) to be measured0The through ring gauge (3) is sleeved in the middle of a spiral ridge belt (2) of the constant-pitch triple-spiral stabilizer (1) to be measured;
fourthly, inserting a first measuring rod (4) between a spiral ridge belt (2) at the top of the equal-pitch triple-spiral stabilizer (1) to be measured and the ring passing gauge (3);
fifthly, inserting a second measuring rod (5) between the constant-pitch triple-helix stabilizer (1) to be measured and the through ring gauge (3) at the 120-degree included angle on the left side of the first measuring rod; then a third measuring rod (6) is inserted between the to-be-measured equal-pitch triple-helix stabilizer (1) at the 120-degree included angle on the right side of the first measuring rod and the ring passing gauge (3);
sixthly, if the third measuring rod (6) can not be inserted, the actual diameter d of the constant-pitch triple-helix stabilizer (1) to be measured is shownsThe workpiece is not machined to meet the dimensional tolerance requirement and needs to be continuously machined; if the third measuring rod can be inserted into a gap between the to-be-measured equal-pitch triple-spiral stabilizer (1) at the 120-degree included angle on the right side of the first measuring rod and the ring passing gauge (3) without a gap, the to-be-measured equal-pitch triple-spiral stabilizer (1) is qualified; if the third measuring rod (5) can be inserted into a gap between the constant-pitch three-spiral stabilizer (1) to be measured and the through ring gauge (3) at the 120-degree included angle on the right side of the first measuring rod and a gap is reserved, the clearance between the third measuring rod (6) and the through ring gauge (3) is measured by adopting the feeler gauge (7) to judge the actual diameter d of the constant-pitch three-spiral stabilizer to be measuredsWhether the dimensional tolerance requirements are exceeded; if the product is not exceeded, the product is qualified, and if the product is exceeded, the product is discarded.
2. The method for measuring a different diameter constant pitch triple helical stabilizer according to claim 1, wherein: the diameter A of the first measuring rod, the second measuring rod and the third measuring rod0Equal, diameter A0＝(D0－d0）/2。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911110669.5A CN110940253B (en) | 2019-11-14 | 2019-11-14 | Method for measuring three-spiral stabilizers with different diameters and equal pitches |
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| CN201911110669.5A CN110940253B (en) | 2019-11-14 | 2019-11-14 | Method for measuring three-spiral stabilizers with different diameters and equal pitches |
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| CN110940253B CN110940253B (en) | 2021-08-13 |
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| CN207407759U (en) * | 2017-10-31 | 2018-05-25 | 南靖长青精密丝杆制造有限公司 | A kind of wire rod thread ring gauge |
| CN110319745A (en) * | 2019-07-30 | 2019-10-11 | 双环传动（嘉兴）精密制造有限公司 | Cubing for the detection of gear ring end tooth position degree |
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2019
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Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH637763A5 (en) * | 1977-11-03 | 1983-08-15 | Chi Liang Cho | Self-centring measuring machine having an automatic coordinate-measuring machine |
| EP0287502A1 (en) * | 1987-03-17 | 1988-10-19 | Horst Günter Rissmann | Thread testing and measuring device |
| JP2007240489A (en) * | 2006-03-13 | 2007-09-20 | Space Creation:Kk | Device for measuring over-pin diameter |
| US20070214664A1 (en) * | 2006-03-20 | 2007-09-20 | Andrei Muradov | Thread gauging system and method |
| CN201344780Y (en) * | 2008-12-31 | 2009-11-11 | 江苏万工科技集团有限公司 | Device for inspecting center distance between needle bar hole and compression bar hole on flat sewing machine |
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| CN104236425A (en) * | 2014-04-25 | 2014-12-24 | 西安航空动力股份有限公司 | Method for precisely measuring cross-rod distance value M of spline ring gauge |
| CN104748646A (en) * | 2015-03-30 | 2015-07-01 | 沈阳飞机工业（集团）有限公司 | External thread pitch diameter measuring method |
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| CN110319745A (en) * | 2019-07-30 | 2019-10-11 | 双环传动（嘉兴）精密制造有限公司 | Cubing for the detection of gear ring end tooth position degree |
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| CN110940253B (en) | 2021-08-13 |
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