CN205426044U - Deep hole inner diameter measuring device - Google Patents
Deep hole inner diameter measuring device Download PDFInfo
- Publication number
- CN205426044U CN205426044U CN201620101503.2U CN201620101503U CN205426044U CN 205426044 U CN205426044 U CN 205426044U CN 201620101503 U CN201620101503 U CN 201620101503U CN 205426044 U CN205426044 U CN 205426044U
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- sleeve
- circular cone
- internal diameter
- loop bar
- deep hole
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- 238000005259 measurement Methods 0.000 claims abstract description 34
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a deep hole internal diameter measuring device, including toper piece, sleeve, three measuring staff, spring, ejector pin, loop bar, screw thread loop bar, three-jaw chuck and internal diameter percentage table. Three sliding grooves are uniformly formed in the conical surface of the conical block, the three sliding grooves are formed along the conical body along the direction of a generating line respectively, and the included angle between each sliding groove and the axis of the conical block is 45 degrees; the wall of the sleeve is provided with three through holes which are uniformly distributed along the circumference; the three measuring rods respectively penetrate through the through holes in the wall of the sleeve barrel, and one end of each measuring rod is clamped in one sliding groove. The contained angle of spout and toper piece axis is 45 degrees, and then the measuring staff directly turns into axial distance along radial displacement volume, and the middle transmission of lever when having avoided traditional measurement measures, and it is more accurate to measure, and measurable arbitrary cross-section is the biggest simultaneously, minimum internal diameter.
Description
Technical field
This utility model belongs to longhole survey device, is specifically related to a kind of deep hole internal diameter measurement apparatus.
Background technology
In the modernization industry such as aircraft, steamer, large-scale precision instrument, the processing of axis hole part, detection are a great problem that impact produces all the time, and this type of part aperture, deep hole circularity, the precision of linearity are to ensure that a key factor of product quality.
At present, traditional inner diameter measurement method is mainly measured after part is processed by slide calliper rule, calliper, and the operation inconvenience of this kind of measuring method, precision is difficult to ensure that, artifical influence factor is big.And, hole depth and aperture ratio are more than to deep hole or the superdeep holes part of 5, it is more inconvenient to test.
Summary of the invention
The purpose of this utility model is to provide a kind of deep hole internal diameter measurement apparatus, solution prior art medium-length hole measurement apparatus positioning precision, the technical problem that efficiency is low and the scope of measurement is little.
In order to solve above-mentioned technical problem, this utility model adopts the following technical scheme that
A kind of deep hole internal diameter measurement apparatus, including circular cone, sleeve, three measuring staffs, spring, push rod, loop bar, threaded sleeve rod, scroll chuck and dial bore gage.Described circular cone is positioned at sleeve, and push rod is positioned on the axis of circular cone, and one end of push rod is fixing with circular cone to be connected, and the other end is connected with dial bore gage；Loop bar is set on push rod, and loop bar is between sleeve and dial bore gage, and one end of loop bar is connected with the end face of sleeve, is connected by sliding bearing between the other end of loop bar and push rod；Spring is arranged in sleeve, and is set on push rod, and spring is between circular cone bottom surface and sleeve end face；Described threaded sleeve rod is set on loop bar by two rolling bearings, and scroll chuck is set in threaded sleeve rod, and threadeds with threaded sleeve rod；Sleeve, loop bar and threaded sleeve rod are coaxially disposed；Uniformly offering three chutes on the taper seat of described circular cone, three chutes are offered along circular cone generatrix direction respectively, and the angle of each chute and circular cone axis is 45 degree；Offer three through holes on the barrel of sleeve, and three through holes are circumferentially uniformly distributed；The through hole that three measuring staffs are each passed through on sleeve wall, one end of measuring staff is fastened in a chute.
Improving further, described measuring staff includes interior measuring staff and gauge head, and gauge head is removably mounted to interior measuring staff one end away from chute.Size according to aperture to be measured can meet requirement by changing the gauge head of different length, easy to operate.
Improving further, described gauge head is embedded with spheroid away from one end of interior measuring staff, increases the contact surface of gauge head and deep hole of workpiece inwall, it is ensured that certainty of measurement.
Improving further, the end of described sleeve is provided with socket cover, conveniently puts into circular cone by opening cover, simultaneously work as sealing function during assembling, and sleeve is threadeded with socket cover, convenient dismounting, assembling.
Improving further, the end of the chute on the described circular cone conical surface is provided with limited block, prevents measuring staff from skidding off the chute on the circular cone conical surface and affecting measurement result.
Improving further, described loop bar is connected with bush whorl, convenient dismounting, assembling.
This measurement apparatus is used to carry out the process of inner diameter measurement as follows:
1), selecting the length of side head according to the size in aperture to be measured, this measurement apparatus is put into internal diameter ring standard gauge and demarcates, record calibration value, adjust dial bore gage zero-bit, described dial bore gage is prior art, and it is demarcated, the method for zeroing is same as the prior art.
2), this measurement apparatus being put into measured hole, because scroll chuck is threadeded with threaded sleeve rod, adjust three measuring staffs position in measured hole by rotating threaded sleeve rod, then position this measurement apparatus by scroll chuck, wherein scroll chuck is prior art.Now three measuring staffs are conflicted with measured hole inwall, then push rod is in the axial location treating gaging hole, it is ensured that certainty of measurement；Simultaneously, because measuring staff is conflicted with measured hole inwall, then measuring staff extruding circular cone moves along axis, spring is compressed, ensure that measuring staff offsets with circular cone, again because the angle of chute and circular cone axis is 45 degree, so the amount of movement that measuring staff is radially is the circular cone amount of movement along axis, push rod is as the connecting rod of dial bore gage, circular cone is reflected on dial bore gage along the amount of movement of axis by push rod, reading the numerical value on dial bore gage dial plate, readout is current location internal diameter size with the difference of calibration value.This number reading method is identical with the number reading method of existing dial bore gage, is not describing in detail.
3), rotate loop bar, make three measuring staffs turn around in current cross-section rotation, read maximum inner diameter and the minimum diameter value in cross section.
4), rotate threaded sleeve rod so that it is the distance of setting of moving along scroll chuck female thread, carry out the measurement of next cross section internal diameter.
This utility model relatively with the having the beneficial effect that of prior art:
1, chute described in the utility model is 45 degree with the angle of circular cone axis, then measuring staff displacement radially is converted into axial distance, the intermediate transfer of lever when avoiding traditional measurement, it is more accurate to measure, and can record arbitrary section maximum, minimum diameter simultaneously.
2, three measuring staffs of the present utility model support with hole inwall, make push rod be in the axial location treating gaging hole, it is ensured that the precision of measurement.
3, measuring staff of the present utility model includes loop bar and gauge head, according to the size in aperture to be measured, meets requirement by changing the gauge head of different length, easy to operate.
4, of the present utility model by arranging scroll chuck and threaded sleeve rod, the inner diameter values in the cross section of different depth can be measured, easy to operate.
Accompanying drawing explanation
Fig. 1 makes the structural representation of deep hole internal diameter measurement apparatus described in the utility model.
Fig. 2 makes the structural representation of circular cone described in the utility model, sleeve, measuring staff, spring.
Fig. 3 is the A-A sectional view of Fig. 2.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
As Figure 1-3, a kind of deep hole internal diameter measurement apparatus, including circular cone 1,2, three measuring staffs of sleeve, spring 6, push rod 7, loop bar 8, threaded sleeve rod 9, scroll chuck 10 and dial bore gage 11.Described circular cone 1 is positioned at sleeve 2, and push rod 7 is positioned on the axis of circular cone 1, and one end of push rod 7 is fixing with circular cone 1 to be connected, and the other end is connected with dial bore gage 11；Loop bar 8 is set on push rod 7, and one end of loop bar 8 is connected with the end thread of sleeve 2, is connected by sliding bearing between the other end of loop bar 8 with push rod 7；Spring 6 is arranged in sleeve 2, and is set on push rod 7, and spring 6 is between circular cone 1 bottom surface and sleeve 2 end face；Described threaded sleeve rod 9 is set on loop bar 8 by two rolling bearings, and scroll chuck 10 is set in threaded sleeve rod 9, and threadeds with threaded sleeve rod 9；Sleeve 2, loop bar 8 and threaded sleeve rod 9 are coaxially disposed, and the end of sleeve 2 is provided with socket cover 3.Uniformly offering three chutes on the taper seat of described circular cone 1, three chutes are offered along circular cone 1 along generatrix direction respectively, and the angle of each chute and circular cone 1 axis is 45 degree, and the end of chute is provided with limited block；Offer three through holes on the barrel of sleeve 2, and three through holes are circumferentially uniformly distributed；Three measuring staffs are each passed through the through hole on sleeve 2 barrel, and one end of measuring staff is fastened in a chute.Described measuring staff includes interior measuring staff 4 and gauge head 5, and gauge head 5 is removably mounted to interior measuring staff 4 one end away from chute, and gauge head 5 is embedded with spheroid away from one end of interior measuring staff 4, increases the contact surface of gauge head and deep hole of workpiece inwall, the beneficially guarantee of certainty of measurement.
This measurement apparatus is used to carry out the process of inner diameter measurement as follows:
1), selecting the length of side 5 according to the size in aperture to be measured, this measurement apparatus is put into internal diameter ring standard gauge and demarcates, record calibration value, adjust dial bore gage zero-bit, described dial bore gage is prior art, and it is demarcated, the method for zeroing is same as the prior art.
2), this measurement apparatus is put into measured hole, because scroll chuck 10 is threadeded with threaded sleeve rod 9, adjust three measuring staffs position in measured hole by rotating threaded sleeve rod 9, then positioned this measurement apparatus by scroll chuck.Now three measuring staffs are conflicted with measured hole inwall, then push rod 7 is in the axial location treating gaging hole, the circular cone 1 of measuring staff extruding simultaneously moves along axis, spring 6 is compressed, again because the angle of chute and circular cone 1 axis is 45 degree, so the amount of movement that measuring staff is radially is the amount of movement of circular cone 1 axis, push rod 7 is also as the connecting rod of dial bore gage 11, the amount of movement of circular cone 1 axis is reflected on dial bore gage 11 by push rod 7, readout value, readout is current location internal diameter size with the difference of calibration value.
3), rotate loop bar 8, make three measuring staffs turn around in current cross-section rotation, read maximum inner diameter and the minimum diameter value in cross section.
4), rotate threaded sleeve rod 9 so that it is the distance of setting of moving along scroll chuck 10 female thread, carry out the measurement of next cross section internal diameter.
This utility model does not does illustrate be prior art or can be realized by prior art, and be embodied as case described in this utility model and be only preferable case study on implementation of the present utility model, not it is used for limiting practical range of the present utility model.The most all equivalence changes made according to the content of this utility model claim and modification, all should be used as technology category of the present utility model.
Claims (7)
1. a deep hole internal diameter measurement apparatus, it is characterised in that include circular cone (1), sleeve (2), three measuring staffs, spring (6), push rod (7), loop bar (8), threaded sleeve rod (9), scroll chuck (10) and dial bore gage (11)；
Described circular cone (1) is positioned at sleeve (2), and push rod (7) is positioned on the axis of circular cone (1), and one end of push rod (7) is fixing with circular cone (1) to be connected, and the other end is connected with dial bore gage (11)；Loop bar (8) is set on push rod (7), and one end of loop bar (8) is connected with the end face of sleeve (2), is connected by sliding bearing between the other end of loop bar (8) with push rod (7)；Spring (6) is in arranging sleeve (2), and is set on push rod (7), and spring (6) is positioned between circular cone (1) bottom surface and sleeve (2) end face；
Described threaded sleeve rod (9) is set on loop bar (8) by two rolling bearings, and scroll chuck (10) is set in threaded sleeve rod (9), and threadeds with threaded sleeve rod (9)；Sleeve (2), loop bar (8) and threaded sleeve rod (9) are coaxially disposed；
Uniformly offering three chutes on the taper seat of described circular cone (1), three chutes are offered along circular cone (1) generatrix direction respectively, and the angle of each chute and circular cone (1) axis is 45 degree；Offer three through holes on the barrel of sleeve (2), and three through holes are circumferentially uniformly distributed；Three measuring staffs are each passed through the through hole on sleeve (2) barrel, and one end of measuring staff is fastened in a chute.
Deep hole internal diameter measurement apparatus the most according to claim 1, it is characterised in that described measuring staff includes interior measuring staff (4) and gauge head (5), gauge head (5) is removably mounted to interior measuring staff (4) one end away from chute.
Deep hole internal diameter measurement apparatus the most according to claim 2, it is characterised in that described gauge head (5) is embedded with spheroid away from one end of interior measuring staff (4).
4., according to the deep hole internal diameter measurement apparatus according to any one of claim 1-3, it is characterised in that the end of described sleeve (2) is provided with socket cover (3), sleeve (2) is threadeded with socket cover (3).
Deep hole internal diameter measurement apparatus the most according to claim 4, it is characterised in that the end of the chute on described circular cone (1) conical surface is provided with limited block.
Deep hole internal diameter measurement apparatus the most according to claim 4, it is characterised in that described loop bar (8) is threadeded with sleeve (2).
Deep hole internal diameter measurement apparatus the most according to claim 6, it is characterised in that the end of the chute on described circular cone (1) conical surface is provided with limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620101503.2U CN205426044U (en) | 2016-02-02 | 2016-02-02 | Deep hole inner diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620101503.2U CN205426044U (en) | 2016-02-02 | 2016-02-02 | Deep hole inner diameter measuring device |
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| CN205426044U true CN205426044U (en) | 2016-08-03 |
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| CN201620101503.2U Active CN205426044U (en) | 2016-02-02 | 2016-02-02 | Deep hole inner diameter measuring device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547106A (en) * | 2016-02-02 | 2016-05-04 | 南京信息职业技术学院 | Deep hole inner diameter measuring device |
| CN106352771A (en) * | 2016-09-28 | 2017-01-25 | 哈尔滨建成集团有限公司 | Oval inner diameter measuring device |
| CN109159555A (en) * | 2018-11-04 | 2019-01-08 | 宁波喜印科技有限公司 | A kind of push type intelligence seal |
| CN109764785A (en) * | 2019-01-24 | 2019-05-17 | 江苏迈信林航空科技股份有限公司 | Smart hole diameter detecting instrument and its detection method |
| CN110230970A (en) * | 2019-07-20 | 2019-09-13 | 成都飞机工业（集团）有限责任公司 | A kind of variable-diameter check device |
| CN112880526A (en) * | 2021-04-28 | 2021-06-01 | 四川仨川航空机械设备有限公司 | Deep blind hole annular groove measuring device and using method thereof |
| CN112902803A (en) * | 2021-03-08 | 2021-06-04 | 三门峡超思量仪科技有限公司 | Conical surface inner diameter measuring instrument and measuring method thereof |
| CN113587841A (en) * | 2021-08-11 | 2021-11-02 | 东北大学 | Quick centering type blast hole measuring device |
-
2016
- 2016-02-02 CN CN201620101503.2U patent/CN205426044U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547106A (en) * | 2016-02-02 | 2016-05-04 | 南京信息职业技术学院 | Deep hole inner diameter measuring device |
| CN105547106B (en) * | 2016-02-02 | 2018-11-13 | 南京信息职业技术学院 | Deep hole inner diameter measuring device |
| CN106352771A (en) * | 2016-09-28 | 2017-01-25 | 哈尔滨建成集团有限公司 | Oval inner diameter measuring device |
| CN106352771B (en) * | 2016-09-28 | 2019-03-08 | 哈尔滨建成集团有限公司 | A kind of oval inner diameter measuring device |
| CN109159555A (en) * | 2018-11-04 | 2019-01-08 | 宁波喜印科技有限公司 | A kind of push type intelligence seal |
| CN109764785A (en) * | 2019-01-24 | 2019-05-17 | 江苏迈信林航空科技股份有限公司 | Smart hole diameter detecting instrument and its detection method |
| CN110230970A (en) * | 2019-07-20 | 2019-09-13 | 成都飞机工业（集团）有限责任公司 | A kind of variable-diameter check device |
| CN112902803A (en) * | 2021-03-08 | 2021-06-04 | 三门峡超思量仪科技有限公司 | Conical surface inner diameter measuring instrument and measuring method thereof |
| CN112880526A (en) * | 2021-04-28 | 2021-06-01 | 四川仨川航空机械设备有限公司 | Deep blind hole annular groove measuring device and using method thereof |
| CN112880526B (en) * | 2021-04-28 | 2021-07-27 | 四川仨川航空机械设备有限公司 | Deep blind hole annular groove measuring device and using method thereof |
| CN113587841A (en) * | 2021-08-11 | 2021-11-02 | 东北大学 | Quick centering type blast hole measuring device |
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