CN102878903A - Inner diameter detecting device and inner diameter detecting method - Google Patents
Inner diameter detecting device and inner diameter detecting method Download PDFInfo
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- CN102878903A CN102878903A CN2012103911106A CN201210391110A CN102878903A CN 102878903 A CN102878903 A CN 102878903A CN 2012103911106 A CN2012103911106 A CN 2012103911106A CN 201210391110 A CN201210391110 A CN 201210391110A CN 102878903 A CN102878903 A CN 102878903A
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- blade
- cartridge module
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- gage button
- spiral micrometer
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses an inner diameter detecting device and an inner diameter detecting method. The inner diameter detecting device comprises a scale body, a spiral micrometer tube assembly and a measuring anvil, wherein the spiral micrometer tube assembly is in threaded connection with one end of the scale body; and the measuring anvil is arranged at the other end of the scale body. The inner diameter detecting method comprises the following steps of: placing the inner diameter detecting device in a part hole of the part to be detected; rotating the spiral micrometer tube assembly so that the tail end of the measuring anvil and the tail end of the spiral micrometer tube assembly can closely cling to two side walls of the part hole of the part to be detected respectively; and reading a numerical value on the spiral micrometer tube assembly so as to obtain the diameter of the part hole of the part to be detected. A principle of measuring parts by using a micrometer with a standard outer diameter is successfully applied, and the inner diameters of parts are accurately measured in real time when the inner diameters of the parts are machined by the scale body with the special structure and the measuring anvil with a group of specific numerical values.
Description
Technical field
The invention belongs to the accurate detection technique of machining field, relate to a kind of machined part Pore Diameter Detection method and pick-up unit.A kind of pick-up unit that barrier is arranged in the hole that detects particularly.
Background technology
In order to realize some property, the space product part need to have narrower groove in hole in piece part when structural design, and the trench diameter dimension precision requirement is higher, in the micron precision.Simultaneously, because of design of part and processing needs, need to have tool locating in the process in the hole in piece part, and in hole in piece part, pass through, cause part in process, can't use general inner diameter measurement instrument to measure aperture and trench bottom diameter dimension.Need a kind of special detection method and pick-up unit, realize accurately detecting in real time, to guarantee to add the precision in man-hour.The measurer that does not possess at present such measuring ability.This Design of Measuring Tools manufacturing has following difficult point:
1, because having frock or other barriers to exist in the tested part, blade need be crossed over it, and blade is yielding structure, during design, also will take into account the blade deadweight when adopting necessary anti-deforming structure;
2, spiral microdrum assembly accuracy requirement height, complex structure, be subjected to the narrow and small restriction of usage space, design, difficulty of processing is large.
Summary of the invention
The objective of the invention is in the part machinery process, for the internal orifice dimension that detects part to be processed or hole internal channel size provide a kind of device for accurately measuring and measuring method that can across obstacle.
Technical scheme of the present invention:
A kind of inside diameter detection device comprises blade, spiral micrometer cartridge module and gage button, and spiral micrometer cartridge module is threaded in blade one end, and gage button is arranged on the other end of blade.
Described spiral micrometer cartridge module comprises fixed muffle, differential screw rod and microdrum, it is outer and fixing that fixed muffle is sleeved on the differential screw rod, microdrum can be rotatably set on the differential screw rod after being enclosed within outside the fixed muffle, has vertical groove on the fixed muffle, has the differential groove on the microdrum.
Described spiral micrometer cartridge module holds out against on blade by screw.Screw is to make the ruler reading inaccurate for the screw thread rotation that prevents spiral micrometer cartridge module.
Described gage button is replaceable gage button, and the size of replaceable gage button is determined by detected internal diameter size.
Described gage button holds out against on blade by screw.
Described blade is designed to dodge barrier.Blade is designed to great-leap-forward.Described blade has the anti-deformation reinforcing rib structure, blade gradient thickness shape.
The present invention also provides a kind of inner diameter measurement method, inside diameter detection device is placed (except the part blade) in the hole in piece part to be detected, inside diameter detection device comprises blade, spiral micrometer cartridge module and gage button, spiral micrometer cartridge module is threaded in blade one end, gage button is arranged on the other end of blade, rotating screw micrometer cartridge module, make gage button end and spiral micrometer cartridge module end be close to respectively hole in piece part to be detected two side, read the numerical value on the spiral micrometer cartridge module, obtain hole in piece part diameter to be detected.
In the described hole in piece part to be detected barrier is arranged.
Before inside diameter detection device being placed in the hole in piece part to be detected, change first the gage button of corresponding size according to the size of hole in piece part to be detected.
Spiral micrometer cartridge module comprises fixed muffle, differential screw rod and microdrum, it is outer and fixing that fixed muffle is sleeved on the differential screw rod, microdrum is enclosed within fixedly, and dial sleeve can be rotatably set on the differential screw rod outward, has vertical groove on the fixed muffle, has the differential groove on the microdrum, before inside diameter detection device being placed in the hole in piece part to be detected, the size sum of the spiral micrometer cartridge module when the replacing gage button makes the gage button size align with vertical groove starting point on the fixed muffle with microdrum codifferential groove starting point is less than the minimum value of hole in piece part diameter to be detected.
The internal diameter of described hole in piece part to be measured can be diameter or the hole in piece part trench bottom diameter to be measured of hole in piece part to be measured.
Beneficial effect of the present invention:
The present invention has realized the part internal diameter is added the in real time accurately detection in man-hour by the principle of successful Application nominal outer diameter miking part by the gage button combination of special construction blade and one group of special value.
Inside diameter detection device of the present invention has the blade that can cross over barrier in the hole in piece part, is installed in gage button and the spiral micrometer cartridge module of blade arranged on left and right sides, has realized the measurement of special construction parts measurement aperture and hole internal channel size.Gage button can be changed, and for different testing requirements, the precision of gage button, length can according to physical dimension size, the accuracy class Group Design of tested part, realize the enlarge measurement range function.
Description of drawings
Fig. 1 is the structural representation of inside diameter detection device of the present invention
Fig. 2 is the use constitutional diagram of inside diameter detection device of the present invention;
Fig. 3 is the spiral micrometer cartridge module structural representation in the inside diameter detection device of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described:
Shown in Fig. 1-2, a kind of can dodging has barrier in the hole in piece part, accurately measure the inside diameter detection device of aperture or hole internal channel, comprising: blade 2, gage button 3 and spiral micrometer cartridge module 1.Spiral micrometer cartridge module 1 is threaded in blade 2 one ends, and gage button 3 is arranged on the other end of blade 2.Gage button 3 and spiral micrometer cartridge module 1 all hold out against and are fixed on the blade 2 by holding out against screw 4.Gage button 3 can be changed.As shown in Figure 2, blade 2 can be crossed over the barrier 6 in part 5 holes, such as frock etc.Can be circular arc.Blade 2 has the anti-deformation reinforcing rib structure, blade 2 gradient thickness shapes.
As shown in Figure 3, spiral micrometer cartridge module 1 comprises fixed muffle 11, differential screw rod 12 and microdrum 13, and differential screw rod 12 is enclosed within the fixed muffle 11, and microdrum 13 can be rotatably set on the differential screw rod 12, have vertical groove 14 on the fixed muffle 11, have differential groove 15 on the microdrum 13.The scale of vertical groove 14 and differential groove 15 is well known to those skilled in the art, and can be 0.5mm such as every lattice of indulging groove 14, and every lattice of differential groove 15 can be 0.01mm, and concrete scale can be adjusted according to accuracy of detection.
Adopt above-mentioned inside diameter detection device to carry out the method for inner diameter measurement, use the principle of nominal outer diameter miking part, the gage button combination by special construction blade and one group of special value realizes the accurate method of measurement of part internal diameter.
At first according to the hole in piece part internal diameter size transposing gage button 3 that will detect, unclamp holding out against screw 4 and just can changing gage button 3 of left side among Fig. 1, the size sum of the size of gage button 3 and differential groove 15 starting points " 0 " and the spiral micrometer cartridge module of vertical groove 14 starting points " 0 " when aliging is less than the minimum value of hole in piece part diameter to be detected.
After suitable gage button 3 replaced with, inside diameter detection device is placed in the hole in piece part to be detected, rotating screw micrometer cartridge module 1, make gage button 3 ends and spiral micrometer cartridge module 1 end be close to respectively hole in piece part to be detected two side, read differential groove 15 and vertical groove 14 combined value, be hole in piece part internal diameter physical size to be detected.Spiral micrometer cartridge module 1 end is arc, fits with hole in piece part inwall to be detected.
Claims (10)
1. an inside diameter detection device is characterized in that, comprises blade, spiral micrometer cartridge module and gage button, and spiral micrometer cartridge module is threaded in blade one end, and gage button is arranged on the other end of blade.
2. inside diameter detection device according to claim 1, it is characterized in that, described spiral micrometer cartridge module comprises fixed muffle, differential screw rod and microdrum, it is outer and fixing that fixed muffle is sleeved on the differential screw rod, microdrum can be rotatably set on the differential screw rod after being enclosed within outside the fixed muffle, have vertical groove on the fixed muffle, have the differential groove on the microdrum.
3. inside diameter detection device according to claim 1 is characterized in that, described spiral micrometer cartridge module holds out against on blade by screw.
4. inside diameter detection device according to claim 1 is characterized in that, described gage button is replaceable gage button, and the size of replaceable gage button is determined by detected internal diameter size.
5. according to claim 1 or 4 each described inside diameter detection devices, it is characterized in that described gage button holds out against on blade by screw.
6. inside diameter detection device according to claim 1 is characterized in that, described blade is designed to dodge barrier.
7. inner diameter measurement method, it is characterized in that, inside diameter detection device is placed in the hole in piece part to be detected, inside diameter detection device comprises blade, spiral micrometer cartridge module and gage button, and spiral micrometer cartridge module is threaded in blade one end, and gage button is arranged on the other end of blade, rotating screw micrometer cartridge module, make gage button end and spiral micrometer cartridge module end be close to respectively hole in piece part to be detected two side, read the numerical value on the spiral micrometer cartridge module, obtain hole in piece part diameter to be detected.
8. inner diameter measurement method according to claim 7 is characterized in that, in the described hole in piece part to be detected barrier is arranged.
9. inner diameter measurement method according to claim 7 is characterized in that, before inside diameter detection device being placed in the hole in piece part to be detected, changes first the gage button of corresponding size according to the size of hole in piece part to be detected.
10. inner diameter measurement method according to claim 7, it is characterized in that, described spiral micrometer cartridge module comprises fixed muffle, differential screw rod and microdrum, it is outer and fixing that fixed muffle is sleeved on the differential screw rod, microdrum can be rotatably set on the differential screw rod after being enclosed within outside the fixed muffle, has vertical groove on the fixed muffle, has the differential groove on the microdrum, before inside diameter detection device being placed in the hole in piece part to be detected, the size sum of the spiral micrometer cartridge module when the replacing gage button makes the gage button size align with vertical groove starting point with differential groove starting point is less than the minimum value of hole in piece part diameter to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103911106A CN102878903A (en) | 2012-10-15 | 2012-10-15 | Inner diameter detecting device and inner diameter detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103911106A CN102878903A (en) | 2012-10-15 | 2012-10-15 | Inner diameter detecting device and inner diameter detecting method |
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| Publication Number | Publication Date |
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| CN102878903A true CN102878903A (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103911106A Pending CN102878903A (en) | 2012-10-15 | 2012-10-15 | Inner diameter detecting device and inner diameter detecting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918273A (en) * | 2017-03-03 | 2017-07-04 | 江南大学 | A kind of micrometer caliper for facilitating zero point correction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3411516A1 (en) * | 1983-03-30 | 1984-10-04 | Farrow Investments Pty. Ltd., North Sydney | TORQUE APPLICATION TOOL |
| CN201335669Y (en) * | 2009-01-21 | 2009-10-28 | 重庆江增机械有限公司 | Inner diameter measurement device |
| CN201508144U (en) * | 2009-07-24 | 2010-06-16 | 武昌船舶重工有限责任公司 | Micrometer |
| CN201548149U (en) * | 2009-09-21 | 2010-08-11 | 浙江吉利汽车有限公司 | Indication error calibration clamp of large-size outside micrometer |
-
2012
- 2012-10-15 CN CN2012103911106A patent/CN102878903A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3411516A1 (en) * | 1983-03-30 | 1984-10-04 | Farrow Investments Pty. Ltd., North Sydney | TORQUE APPLICATION TOOL |
| CN201335669Y (en) * | 2009-01-21 | 2009-10-28 | 重庆江增机械有限公司 | Inner diameter measurement device |
| CN201508144U (en) * | 2009-07-24 | 2010-06-16 | 武昌船舶重工有限责任公司 | Micrometer |
| CN201548149U (en) * | 2009-09-21 | 2010-08-11 | 浙江吉利汽车有限公司 | Indication error calibration clamp of large-size outside micrometer |
Non-Patent Citations (1)
| Title |
|---|
| 刘惠萍: "模具圆弧内径自动测量仪的设计", 《自动化技术与应用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918273A (en) * | 2017-03-03 | 2017-07-04 | 江南大学 | A kind of micrometer caliper for facilitating zero point correction |
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Application publication date: 20130116 |