CN102087087A - Measuring tool and method for measuring pinhole depth and curvature - Google Patents
Measuring tool and method for measuring pinhole depth and curvature Download PDFInfo
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- CN102087087A CN102087087A CN 201010560170 CN201010560170A CN102087087A CN 102087087 A CN102087087 A CN 102087087A CN 201010560170 CN201010560170 CN 201010560170 CN 201010560170 A CN201010560170 A CN 201010560170A CN 102087087 A CN102087087 A CN 102087087A
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Abstract
The invention discloses a measuring tool, which comprises a centimeter or a dial indicator and a meter seat, wherein a mounting hole to be inserted by a measuring bar on the centimeter or the dial indicator; and the measuring bar on the centimeter or the dial indicator is inserted in the mounting hole and fixed through a bolt. In the measuring tool, the centimeter or the dial indicator is arranged on the meter seat, and is fastened on a preset position through the bolt. Before the measuring tool is used, a meter head fixed on the measuring rod extends from the lower surface of the meter seat for a distance which is more than the maximum depth at the defect position of a workpiece. When the measuring tool is used, the meter seat is placed on the workpiece surface to record a first read number of the centimeter or the dial indicator at the moment, a peaked meter head is placed in a pinhole, a second read number is acquired by reversely rotating a meter hand, and the depth of the pinhole is obtained by subtracting the second read number from the first read number. The method for measuring the curvature of the workpiece surface is similar to the method for measuring the pinhole depth. The invention also discloses a method for measuring the pinhole depth and curvature by using the measuring tool.
Description
Technical field
The present invention relates to the measurer technical field, more particularly, relate to the measuring method of a kind of survey instrument and little hole depth and flexibility.
Background technology
Past is at metal or nonmetal during with technological formings such as cast, extruding, calendering, forging, if aperture appears in the surface, just with in the little cushion hand-hole, then with pointing the planimetric position of blocking measured workpiece, after taking out in the hole, measure the length of little pin again with Steel Ruler or vernier caliper, just the degree of depth of aperture.If surface curvature just comes the flexibility (as depicted in figs. 1 and 2) of measuring workpieces (103,203) with the chi face (102,202) of vernier caliper and Steel Ruler (101) or vernier depth gauge (201).
Above method is measured the degree of depth of aperture and the flexibility of workpiece, measuring accuracy is poor, and particularly processing capacity is little, demanding workpiece, owing to can accurately not measure the degree of depth of aperture or the flexibility on surface, so can't learn accurately whether this workpiece satisfies accuracy requirement.In addition, need behind the Workpiece shaping that has machining is carried out on the surface, at this moment just need to measure the degree of depth of aperture, see whether less than processing capacity.Greater than processing capacity, then need not to carry out the machining operation of back as if the degree of depth of learning aperture by measurement.Yet present measuring method or survey instrument can accurately not measured the degree of depth of aperture, foundation accurately are provided can't for the machining that whether can carry out the back.Discovery can not machine away defect (being aperture) fully after the processing of being everlasting, and so not only waste processing charges, but also caused the waste of freight charges and production time, thus also have to be by scrapping processing, this has just caused very big economic loss to factory.
Need a kind of survey instrument that can accurately measure defect at present badly.
Summary of the invention
In view of this, the invention provides the measuring method of a kind of survey instrument and little hole depth and flexibility, accurately measure with little hole depth and surface curvature degree to the damaged place of workpiece.
For achieving the above object, the invention provides following technical scheme:
A kind of survey instrument comprises:
Dial gauge or clock gauge;
Gauge stand which is provided with the pilot hole that stretches into for the gauge rod on described dial gauge or the clock gauge, and the gauge rod of described dial gauge or clock gauge is plugged in the described pilot hole, and passes through screw retention.
Preferably, in above-mentioned survey instrument, the gauge outfit that gauge rod on described dial gauge or the clock gauge connects is that the top is that the round gauge outfit or the top of round end is the bicycle spoke of tip.
Preferably, in above-mentioned survey instrument, described sharp gauge outfit is the sharp gauge outfit that handle through sharpening at the top.
A kind of measuring method of little hole depth comprises step:
1) lower surface with the gauge stand of aforesaid survey instrument is placed on the plane;
2) adjust the position of gauge rod in the pilot hole of gauge stand of dial gauge or clock gauge, and fastening, make displacement that the indicator indication position of dial gauge or clock gauge refers to greater than little hole depth by screw;
3) gauge stand is placed on the surface of the work, the sharp gauge outfit of dial gauge or clock gauge is placed in the aperture.
Preferably, in the measuring method of above-mentioned little hole depth, make the little indicator of dial gauge or clock gauge point to the maximum position of its range, big indicator points to 0.
Preferably, in the measuring method of above-mentioned little hole depth, after the sharp gauge outfit with dial gauge or clock gauge was placed in the aperture, mobile gauge stand made indicator forward at most to counter-clockwise direction.
A kind of measuring method of flexibility comprises step:
1) lower surface with the gauge stand of aforesaid survey instrument is placed on the plane;
2) adjust the position of gauge rod in the pilot hole of gauge stand of dial gauge or clock gauge, and fastening, make displacement that the indicator indication position of dial gauge or clock gauge refers to depth capacity greater than the workpiece knee by screw;
3) place a flat board on the end flat in workpiece knee, gauge stand is placed on this flat board, the round gauge outfit of dial gauge or clock gauge is placed on the knee, mobile gauge stand makes indicator forward at most to counter-clockwise direction.
Preferably, in the measuring method of above-mentioned flexibility, make the little indicator of dial gauge or clock gauge point to the maximum position of its range, big indicator points to 0.
From above-mentioned technical scheme as can be seen, compare with prior art, the survey instrument that the embodiment of the invention provides is by being provided with dial gauge or clock gauge on gauge stand, and by screw dial gauge or clock gauge is fastened on predeterminated position.Before the use, lower surface one end distance that earlier gauge outfit fixing on the gauge rod is stretched out gauge stand from, this is apart from the depth capacity of need greater than the damaged place of workpiece.During use, gauge stand is placed on the surface of the work, notes the dial gauge of this moment or first reading of clock gauge, make sharp gauge outfit put into aperture then, the counter-rotating by indicator obtains second reading, and first reading is deducted the degree of depth that second reading is aperture.The measuring method of surface of the work flexibility is similar with the method for little hole depth.The survey instrument that the embodiment of the invention provides is simple in structure, and is easy to use, measures accurately, because dial gauge or clock gauge precision are higher, so can measure the bending of aperture and workpiece accurately with this instrument.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation that utilizes Steel Ruler measuring workpieces surface curvature degree;
Fig. 2 is the structural representation that utilizes vernier caliper measurement surface of the work flexibility;
The structural representation of the survey instrument that Fig. 3 provides for the embodiment of the invention;
The side view of the survey instrument that Fig. 4 provides for the embodiment of the invention;
Fig. 5 is the structural representation that utilizes the little hole depth of survey instrument measuring workpieces provided by the invention;
Fig. 6 is the structural representation that utilizes survey instrument measuring workpieces surface curvature degree provided by the invention;
Fig. 7 is the structural representation that utilizes survey instrument measuring workpieces groove depth provided by the invention;
Fig. 8 is the structural representation that utilizes survey instrument measuring workpieces height provided by the invention.
Embodiment
The invention discloses the measuring method of a kind of survey instrument and little hole depth and flexibility, accurately measure with little hole depth and surface curvature degree to the damaged place of workpiece.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
See also Fig. 3 and Fig. 4, the side view of the survey instrument that the structural representation of the survey instrument that Fig. 3 provides for the embodiment of the invention, Fig. 4 provide for the embodiment of the invention.
Survey instrument provided by the invention comprises measurement instrument and gauge stand 2.Wherein, gauge stand 2 is provided with the pilot hole that stretches into for the gauge rod on the described measurement instrument, and the gauge rod of described measurement instrument is plugged in the described pilot hole, and fixing by screw 4.During assembling, the gauge rod of measurement instrument is plugged in the pilot hole of gauge stand 2, and regulates the position of gauge rod in pilot hole, behind position suitable, tighten screw 4, make this screw 4 hold out against gauge rod, thereby gauge rod is fixed in the pilot hole.Measurement instrument can be dial gauge or clock gauge, because the damaged of measuring workpieces surface need not too high measuring accuracy, so dial gauge can satisfy the measurement requirement of certain precision, and measurement instrument of the present invention is preferably dial gauge 1.For the ease of understanding to scheme, below to measurement instrument all with dial gauge 1 on behalf of description.
At the different damaged measurement requirement of workpiece, can on the gauge rod of dial gauge 1, connect different gauge outfits.For example, measuring little hole depth, can to connect the top at the gauge rod on the dial gauge 1 be the sharp gauge outfit of tip, and during the flexibility on measuring workpieces surface, can connect the top at the gauge rod on the dial gauge 1 be the round gauge outfit of round end.Wherein, dial gauge 1 self-contained gauge outfit is round gauge outfit, can not find suitable top when being the sharp gauge outfit of tip, can process (, and certain rigidity being arranged) with discarded bicycle spoke oneself through bakingout process because the screw thread of bicycle spoke and the thread size of percentage gauge outfit are the same.As shown in Figure 5, job operation is: discarded bicycle spoke is cut off needs with clamp length at first, then which end grinder buffing point that does not have screw thread, the screw thread of last bicycle spoke being threaded of dial gauge 1 of packing into, and the setting nut on the rotation bicycle spoke 5 makes it contact with dial gauge, make sharp gauge outfit 3 fastening, so just can measure aperture with dial gauge 1.
See also Fig. 5, Fig. 5 is the structural representation that utilizes the little hole depth of survey instrument measuring workpieces provided by the invention.
The measuring method of utilizing above-mentioned survey instrument to measure little hole depth provided by the invention comprises step:
1) lower surface with the gauge stand 2 of above-mentioned survey instrument is placed on the plane, promptly utilizing before this survey instrument measures, needs to adjust survey instrument, so that it has the damaged range of measuring workpieces.
2) adjust the position of gauge rod in the pilot hole of gauge stand 2 of dial gauge 1, and fastening, make displacement that the indicator indication position of dial gauge 1 refers to greater than little hole depth by screw 4.
3) gauge stand 2 is placed on the surface of the work, the sharp gauge outfit 3 of dial gauge 1 is placed in the aperture.
The survey instrument that the embodiment of the invention provides is by being provided with dial gauge 1 on gauge stand 2, and by screw 4 dial gauge 1 is fastened on predeterminated position.Before the use, lower surface one end distance that earlier gauge outfit fixing on the gauge rod is stretched out gauge stand 2 from, this is apart from the depth capacity of need greater than the damaged place of workpiece.During use, gauge stand is placed on the surface of the work, notes first reading of dial gauge 1 of this moment, make sharp gauge outfit 3 put into aperture then, the counter-rotating by indicator obtains second reading, and first reading is deducted the degree of depth that second reading is aperture.
Step 2) in, the little indicator of concrete made dial gauge 1 points to the maximum position of its range, and big indicator points to 0.Only need be placed on gauge stand 2 on the surface of the work during measurement, sharp gauge outfit 3 is placed in the aperture, moves on to gauge stand 2 then, and indicator is forwarded at most to counter-clockwise direction, at this moment just can accurately know the degree of depth in hole according to the reading of dial gauge.For example: with maximum range is dial gauge 1 measurement of 10mm, and at this moment the reading of dial gauge 1 is 5.5mm, and the degree of depth in hole is exactly 10mm-5.5mm=4.5mm.
See also Fig. 6, Fig. 6 is the structural representation that utilizes survey instrument measuring workpieces surface curvature degree provided by the invention.
The measuring method of utilizing above-mentioned survey instrument to measure flexibility provided by the invention comprises step:
1) lower surface with the gauge stand 2 of above-mentioned survey instrument is placed on the plane, promptly utilizing before this survey instrument measures, needs to adjust survey instrument, so that it has the damaged range of measuring workpieces.
2) adjust the position of gauge rod in the pilot hole of gauge stand 2 of dial gauge 1, and fastening, make displacement that the indicator indication position of dial gauge 1 refers to depth capacity greater than the workpiece knee by screw 4.
3) place a flat board 7 on the end flat in workpiece knee, gauge stand 2 is placed on this flat board 7, the round gauge outfit 8 of dial gauge 1 is placed on the knee, mobile gauge stand 2 makes indicator forward at most to counter-clockwise direction.
Step 2) in, the little indicator of concrete made dial gauge 1 points to the maximum position of its range, and big indicator points to 0.The flexibility of measuring workpieces, it is the round gauge outfit 8 that carries with dial gauge 1, at first the lower surface of gauge stand 2 is placed on the chi face of one flat plate 7 or vernier caliper before the measurement, another side on the chi face of flat board 7 or vernier caliper is placed on the plane, (10mm's just points to 10 in this way to make the little indicator of dial gauge 1 point to the maximum position of dial gauge, be 5mm just point to 5), big indicator points to 0, then the chi face of flat board or vernier caliper is placed on the workpiece, the move left and right measurer according to the rotation of dial gauge 1 indicator, just can be measured the flexibility of workpiece exactly, the method of reading is identical with the method for surveying aperture, repeats no more.
See also Fig. 7 and Fig. 8, Fig. 7 is the structural representation that utilizes survey instrument measuring workpieces groove depth provided by the invention, and Fig. 8 is the structural representation that utilizes survey instrument measuring workpieces height provided by the invention.
Survey instrument provided by the invention is simple in structure, the use aspect, measure accurately, can not only measure the bending of aperture and workpiece accurately with the method, and mix the accurately degree of depth of measuring flume of slip gauge 9, can also mix the height (as shown in Figure 8) of slip gauge 9 accurate measuring workpieces 6 by changing the shape of gauge stand 2, Fig. 8 is a height of measuring pipe on surface grinding machine.
Brief description is the method for making of survey instrument provided by the invention once.
At first look for one No. 45 just, be processed into gauge stand 2 shapes shown in Figure 3, and hole, fraising and tapping processing, in order to make gauge stand 2 indeformable and certain rigidity arranged, the gauge stand 2 that processes is heat-treated (modifier treatment), so not only increased the hardness of gauge stand 2, and eliminated machining stress, process the top and bottom of gauge stand then with surface grinding machine, the oxide skin that produces after the last pincers worker polishing thermal treatment, loading onto 1, one measurer of measuring aperture and section bar surface curvature of screw 4 and dial gauge just can use.Just need take off the round gauge outfit of dial gauge 1 if measure aperture, load onto a sharp gauge outfit, can not process (, and certain rigidity being arranged) with discarded bicycle spoke oneself if there is sharp gauge outfit through bakingout process because the screw thread of bicycle spoke and the thread size of percentage gauge outfit are the same.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. a survey instrument is characterized in that, comprising:
Dial gauge or clock gauge;
Gauge stand (2) which is provided with the pilot hole that stretches into for the gauge rod on described dial gauge or the clock gauge, and the gauge rod of described dial gauge or clock gauge is plugged in the described pilot hole, and passes through screw retention.
2. survey instrument as claimed in claim 1 is characterized in that, the gauge outfit that the gauge rod on described dial gauge or the clock gauge connects is that the top is the round gauge outfit of round end or the sharp gauge outfit that the top is tip.
3. survey instrument as claimed in claim 2 is characterized in that, described sharp gauge outfit is the bicycle spoke that handle through sharpening at the top.
4. the measuring method of a little hole depth is characterized in that, comprises step:
1) lower surface with the gauge stand of each described survey instrument of claim 1-3 is placed on the plane;
2) adjust the position of gauge rod in the pilot hole of gauge stand of dial gauge or clock gauge, and fastening, make displacement that the indicator indication position of dial gauge or clock gauge refers to greater than little hole depth by screw;
3) gauge stand is placed on the surface of the work, the sharp gauge outfit of dial gauge or clock gauge is placed in the aperture.
5. the measuring method of little hole depth as claimed in claim 4 is characterized in that, makes the little indicator of dial gauge or clock gauge point to the maximum position of its range, and big indicator points to 0.
6. the measuring method of little hole depth as claimed in claim 4 is characterized in that, after the sharp gauge outfit with dial gauge or clock gauge was placed in the aperture, mobile gauge stand made indicator forward at most to counter-clockwise direction.
7. the measuring method of a flexibility is characterized in that, comprises step:
1) lower surface with the gauge stand of each described survey instrument of claim 1-3 is placed on the plane;
2) adjust the position of gauge rod in the pilot hole of gauge stand of dial gauge or clock gauge, and fastening, make displacement that the indicator indication position of dial gauge or clock gauge refers to depth capacity greater than the workpiece knee by screw;
3) place a flat board on the end flat in workpiece knee, gauge stand is placed on this flat board, the round gauge outfit of dial gauge or clock gauge is placed on the knee, mobile gauge stand makes indicator forward at most to counter-clockwise direction.
8. the measuring method of flexibility as claimed in claim 4 is characterized in that, makes the little indicator of dial gauge or clock gauge point to the maximum position of its range, and big indicator points to 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010560170 CN102087087A (en) | 2010-11-25 | 2010-11-25 | Measuring tool and method for measuring pinhole depth and curvature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010560170 CN102087087A (en) | 2010-11-25 | 2010-11-25 | Measuring tool and method for measuring pinhole depth and curvature |
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| CN102087087A true CN102087087A (en) | 2011-06-08 |
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| CN 201010560170 Pending CN102087087A (en) | 2010-11-25 | 2010-11-25 | Measuring tool and method for measuring pinhole depth and curvature |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519341A (en) * | 2011-11-09 | 2012-06-27 | 吴江市双精轴承有限公司 | Pit depth measuring device |
| CN102853746A (en) * | 2012-08-15 | 2013-01-02 | 浙江恒成硬质合金有限公司 | Groove depth measuring instrument |
| CN103115554A (en) * | 2013-02-01 | 2013-05-22 | 安阳鑫盛机床股份有限公司 | Device and method for measuring depth of annular grooves in large-sized workpiece holes |
| CN103884260A (en) * | 2014-03-13 | 2014-06-25 | 南车青岛四方机车车辆股份有限公司 | Measurement device for scratch defects in the surface of axle |
| CN105387835A (en) * | 2015-11-04 | 2016-03-09 | 上海电气电站设备有限公司 | Power generator stator groove wedge caulking degree intelligent measurement method |
| CN106767323A (en) * | 2016-12-23 | 2017-05-31 | 福建浔兴拉链科技股份有限公司 | A kind of equipment and its measuring method for getting the depth ready for measuring pull head |
| CN108775843A (en) * | 2018-07-10 | 2018-11-09 | 安徽悦众车身装备有限公司 | A kind of rectangular vehicle fuel tank cap detecting tool |
| CN109253685A (en) * | 2018-09-26 | 2019-01-22 | 北京北机床股份有限公司 | A kind of main shaft shifting block slot symmetrical measurement device and measurement method |
| CN113607032A (en) * | 2021-07-21 | 2021-11-05 | 成都飞机工业（集团）有限责任公司 | Tool and method for measuring level difference of airplane contour curved surface |
| CN114674207A (en) * | 2022-04-28 | 2022-06-28 | 马鞍山钢铁股份有限公司 | Bottom surface flatness measuring device and method for flat-bottom blind hole |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519341A (en) * | 2011-11-09 | 2012-06-27 | 吴江市双精轴承有限公司 | Pit depth measuring device |
| CN102853746A (en) * | 2012-08-15 | 2013-01-02 | 浙江恒成硬质合金有限公司 | Groove depth measuring instrument |
| CN103115554A (en) * | 2013-02-01 | 2013-05-22 | 安阳鑫盛机床股份有限公司 | Device and method for measuring depth of annular grooves in large-sized workpiece holes |
| CN103115554B (en) * | 2013-02-01 | 2015-11-18 | 安阳鑫盛机床股份有限公司 | Annular groove depth measurement mechanism and method in a kind of large-scale workpiece hole |
| CN103884260A (en) * | 2014-03-13 | 2014-06-25 | 南车青岛四方机车车辆股份有限公司 | Measurement device for scratch defects in the surface of axle |
| CN105387835A (en) * | 2015-11-04 | 2016-03-09 | 上海电气电站设备有限公司 | Power generator stator groove wedge caulking degree intelligent measurement method |
| CN106767323A (en) * | 2016-12-23 | 2017-05-31 | 福建浔兴拉链科技股份有限公司 | A kind of equipment and its measuring method for getting the depth ready for measuring pull head |
| CN106767323B (en) * | 2016-12-23 | 2019-01-22 | 福建晋江浔兴拉链科技有限公司 | A kind of equipment and its measurement method for getting the depth ready for measuring pull head |
| CN108775843A (en) * | 2018-07-10 | 2018-11-09 | 安徽悦众车身装备有限公司 | A kind of rectangular vehicle fuel tank cap detecting tool |
| CN109253685A (en) * | 2018-09-26 | 2019-01-22 | 北京北机床股份有限公司 | A kind of main shaft shifting block slot symmetrical measurement device and measurement method |
| CN113607032A (en) * | 2021-07-21 | 2021-11-05 | 成都飞机工业（集团）有限责任公司 | Tool and method for measuring level difference of airplane contour curved surface |
| CN113607032B (en) * | 2021-07-21 | 2022-06-14 | 成都飞机工业（集团）有限责任公司 | Tool and method for measuring level difference of airplane contour curved surface |
| CN114674207A (en) * | 2022-04-28 | 2022-06-28 | 马鞍山钢铁股份有限公司 | Bottom surface flatness measuring device and method for flat-bottom blind hole |
| CN114674207B (en) * | 2022-04-28 | 2024-04-12 | 马鞍山钢铁股份有限公司 | Bottom surface flatness measuring device and method for flat-bottom blind hole |
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Application publication date: 20110608 |