CN206523121U - External screw thread axiality detection device - Google Patents
External screw thread axiality detection device Download PDFInfo
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- CN206523121U CN206523121U CN201720208369.0U CN201720208369U CN206523121U CN 206523121 U CN206523121 U CN 206523121U CN 201720208369 U CN201720208369 U CN 201720208369U CN 206523121 U CN206523121 U CN 206523121U
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- external screw
- screw thread
- axiality
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of external screw thread axiality detection device, including：For install fixed part to be measured mounting bracket, for be installed in part to be measured it is cylindrical on so that the external screw thread on part to be measured to be changed to the bearing gauge with measurement to the axiality of axis.Bearing gauge be provided with match with external screw thread internal thread, the face of cylinder coaxial with internal thread, bearing gauge by internal thread and it is externally threaded be with the installation of part to be measured it is cylindrical on.Also include be used for be arranged on periphery with measure periphery treat measuring piece axis the first axiality, be arranged on the face of cylinder with measure the face of cylinder treat measuring piece axis the second axiality coaxality measurement part.External screw thread axiality detection device of the present utility model is simple to operate, to detecting that the skill set requirements of operating personnel are low, measurement efficiency is high, applied widely, simple to operate, cost of manufacture is relatively low when changing.
Description
Technical field
The utility model is related to external screw thread axiality detection field, especially, is related to a kind of external screw thread axiality detection dress
Put.
Background technology
Bolt class fastener or the product with external thread structure, its design require that external screw thread has coaxially to axis often
Degree.In the prior art, whether design requirement is met to the axiality of its axis frequently with three coordinate measuring engine measurement external screw thread, surveyed
During amount, using the center hole of part two as axial reference, three coordinate measuring machine is used to scan screw-type face to simulate pitch diameter of thread face,
It is whether qualified to judge the axiality of the external screw thread and its axis with pitch diameter of thread face by comparing the axis between two center holes.
There is problems with when judging external screw thread to the axiality of its axis using three coordinate measuring machine：Need by three-dimensional coordinates measurement
Machine, this measuring machine is expensive, can significantly increase measurement cost during measurement；Cumbersome during measurement, measurement efficiency is low；For
The measurement of minor thread (below M5), can not be detected due to being limited by measuring machine probe；Detection data are surveyed by operation
The personnel of amount machine level influence and it is unstable.
Utility model content
The utility model provides a kind of external screw thread axiality detection device, to solve to use during three-dimensional coordinates measurement machine testing
The measurement cost of presence is high, measurement when cumbersome, measurement efficiency is low, below M5 minor thread can not be detected and detection data by
Operating personnel influence and unstable technical problem.
The technical solution adopted in the utility model is as follows：
A kind of external screw thread axiality detection device, for detecting the external screw thread on part periphery to be measured to the same of its axis
Whether axle degree is qualified, and external screw thread axiality detection device includes：For installing the mounting bracket of fixed part to be measured, for being installed in
Part to be measured it is cylindrical on so that the external screw thread on part to be measured to be changed to the coaxial measurement with measurement to the axiality of axis
Rule；Bearing gauge is provided with the internal thread matched with external screw thread, the face of cylinder coaxial with internal thread, and bearing gauge passes through interior
Screw thread with it is externally threaded be with the installation of part to be measured it is cylindrical on；Also include being used to be arranged on periphery to measure periphery
Treat the first axiality of the axis of measuring piece, be arranged on the face of cylinder to measure that the axis of measuring piece is treated on the face of cylinder second
The coaxality measurement part of axiality.
Further, bearing gauge is in the form of a column, and is machined with thereon on mounting hole, the inwall of mounting hole and is machined with indent
The face of cylinder is machined with internal thread, the periphery of bearing gauge.
Further, two end faces of axis direction insertion bearing gauge of the mounting hole along bearing gauge；Axiality
The periphery of gauge is the face of cylinder.
Further, the periphery of bearing gauge is respectively provided with the junction of its end face and both companies is connected for transition
Connect the conical surface.
Further, coaxality measurement part is dial gauge.
Further, the two ends of part to be measured are respectively provided with center hole, the axis of the line of two center holes and part to be measured
Overlap.
Further, mounting bracket includes the support underframe for being used to be supported on detection platform, and support underframe, which is provided with, to be used for
Support two center holes respectively two are top, and two top relative levels are set.
Further, support underframe is included vertically provided with two pieces of relative support plates on bottom plate, bottom plate, and each support plate is provided with court
To the top of its opposite side.
The utility model has the advantages that：
Using the external screw thread on external screw thread axiality detection device of the present utility model detection part periphery to be measured to it
When whether the axiality of axis is qualified, part to be measured is mounted on mounting bracket first, then bearing gauge be installed
In the cylindrical upper so that the internal thread of bearing gauge is matched with the external screw thread on part to be measured, finally using coaxial of part to be measured
Degree measuring piece measures first axiality of the periphery to its axis of part to be measured, measures the face of cylinder pair of bearing gauge successively
Second axiality of the axis of part to be measured, compares the second axiality and the first axiality, such as both ratio is in scope of design
Inside then show that the external screw thread on part to be measured is qualified to the axiality of its axis, it is otherwise unqualified.From the above mentioned, the utility model
External screw thread axiality detection device detect operation letter when whether external screw thread on part to be measured qualified to the axiality of its axis
It is single, simple and convenient and easy to study and low to the skill set requirements of detection operating personnel；Three coordinate measuring machine compared with prior art, it measures effect
Rate is high, can quickly judge whether qualified product is, and can detect the external screw thread that the cylindrical top external diameter of part to be measured is less than 5mm；Work as measurement
During external screw thread on different parts to be measured, only the bearing gauge being adapted to the external screw thread on the part to be measured need to be changed i.e.
Can, it is applied widely, it is simple to operate during replacing；External screw thread axiality detection device of the present utility model is simple in construction, is fabricated to
This is relatively low.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the structural representation of the external screw thread axiality detection device of the utility model preferred embodiment.
Marginal data
10th, part to be measured；101st, external screw thread；102nd, periphery；20th, mounting bracket；21st, support underframe；211st, bottom plate；212、
Support plate；22nd, it is top；30th, bearing gauge；301st, internal thread；302nd, the face of cylinder；303rd, the conical surface is connected；40th, coaxality measurement
Part.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Reference picture 1, preferred embodiment of the present utility model provides a kind of external screw thread axiality detection device, for detecting
Whether the external screw thread 101 on the periphery 102 of part 10 to be measured is qualified to the axiality of its axis, external screw thread axiality detection device
Including：For install fixed part 10 to be measured mounting bracket 20, for be installed in part 10 to be measured it is cylindrical on will be to be measured
External screw thread 101 on part 10 is changed the bearing gauge 30 with measurement to the axiality of axis.Set on bearing gauge 30
There are the internal thread 301 matched with external screw thread 101, the face of cylinder 302 coaxial with internal thread 301, bearing gauge 30 passes through interior spiral shell
Line 301 and external screw thread 101 be with the installation of part 10 to be measured it is cylindrical on.Also include be used for be arranged on periphery 102 with
Measurement periphery 102 treats the first axiality of the axis of measuring piece 10, is arranged on the face of cylinder 302 to measure the face of cylinder 302
Treat the coaxality measurement part 40 of the second axiality of the axis of measuring piece 10.Examined using external screw thread axiality of the present utility model
When whether the external screw thread 101 surveyed on the device detection periphery 102 of part 10 to be measured is qualified to the axiality of its axis, it will treat first
Measuring piece 10 is mounted on mounting bracket 20, and bearing gauge 30 then is installed on into the cylindrical upper so that same of part 10 to be measured
The internal thread 301 of axle measurement rule 30 is matched with the external screw thread 101 on part 10 to be measured, finally part using coaxality measurement 40 successively
First axiality of the periphery 102 to its axis for measuring part 10 to be measured, the face of cylinder 302 for measuring bearing gauge 30 are treated
Second axiality of the axis of measuring piece 10, compares the second axiality and the first axiality, such as both ratio is in scope of design
Inside then show that the external screw thread 101 on part 10 to be measured is qualified to the axiality of its axis, it is otherwise unqualified.From the above mentioned, this reality
Detect whether the external screw thread 101 on part 10 to be measured closes to the axiality of its axis with new external screw thread axiality detection device
It is simple to operate during lattice, simple and convenient and easy to study and low to the skill set requirements of detection operating personnel；Three-dimensional coordinates measurement compared with prior art
Machine, its measurement efficiency is high, can quickly judge whether qualified product is, and can detect the cylindrical top external diameter of part 10 to be measured and be less than 5mm's
External screw thread；When measuring the external screw thread on different parts to be measured 10, it need to only change and the external screw thread 101 on the part 10 to be measured
The bearing gauge 30 of adaptation, it is applied widely, it is simple to operate during replacing；External screw thread axiality detection of the present utility model
Apparatus structure is simple, and cost of manufacture is relatively low.
Alternatively, as shown in figure 1, bearing gauge 30 is in the form of a column, it is machined with mounting hole, the inwall of mounting hole and adds thereon
Work has is machined with the face of cylinder 302 on the internal thread 301 of indent, the periphery of bearing gauge 30.In the present embodiment, such as Fig. 1 institutes
Show, two end faces of axis direction insertion bearing gauge 30 of the mounting hole along bearing gauge 30.Outside bearing gauge 30
Disc is the face of cylinder 302.
Preferably, as shown in figure 1, being the working (finishing) area for reducing the face of cylinder 302, in this preferred embodiment, bearing gauge
30 periphery is respectively provided with the junction of its end face and both connection conical surfaces 303 is connected for transition.
In the present embodiment, as shown in figure 1, coaxality measurement part 40 is dial gauge.
Alternatively, as shown in figure 1, the two ends of part to be measured 10 are respectively provided with center hole (not shown), the company of two center holes
Line is overlapped with the axis of part 10 to be measured.
Further, as shown in figure 1, mounting bracket 20 includes the support underframe 21 for being used to be supported on detection platform, support
Underframe 21, which is provided with, is used for two top 22 that support two center holes respectively, and two top 22 relative levels are set.It is to be measured
Part 10 is mounted on mounting bracket 20 by the center hole at its two ends and top 22 cooperation.
In the present embodiment, it is vertical provided with two pieces of relative support plates 212 on bottom plate 211, bottom plate 211 that support underframe 21 includes,
Top the 22 of its opposite side are provided with each support plate 212.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (8)
1. a kind of external screw thread axiality detection device, it is characterised in that for detecting on part to be measured (10) periphery (102)
Whether external screw thread (101) is qualified to the axiality of its axis, and the external screw thread axiality detection device includes：
For installing the mounting bracket (20) of the fixed part (10) to be measured, for being installed in the cylindrical of the part to be measured (10)
On so that the external screw thread (101) on the part (10) to be measured to be changed to the bearing gauge with measurement to the axiality of axis
(30)；
The bearing gauge (30) is provided with the internal thread (301) and the internal thread matched with the external screw thread (101)
(301) the coaxial face of cylinder (302), the bearing gauge (30) passes through the internal thread (301) and the external screw thread (101)
Be with the installation of the part to be measured (10) it is cylindrical on；
Also include being used to be arranged on the periphery (102) to measure the periphery (102) to the part (10) to be measured
Axis the first axiality, be arranged on the face of cylinder (302) to measure the face of cylinder (302) to the part to be measured
(10) the coaxality measurement part (40) of the second axiality of axis.
2. external screw thread axiality detection device according to claim 1, it is characterised in that
The bearing gauge (30) is in the form of a column, and is machined with thereon on mounting hole, the inwall of the mounting hole and is machined with indent
The face of cylinder (302) is machined with the internal thread (301), the periphery of the bearing gauge (30).
3. external screw thread axiality detection device according to claim 2, it is characterised in that
Two end faces of bearing gauge (30) described in axis direction insertion of the mounting hole along the bearing gauge (30)；
The periphery of the bearing gauge (30) is the face of cylinder (302).
4. external screw thread axiality detection device according to claim 3, it is characterised in that
The periphery of the bearing gauge (30) is respectively provided with the junction of its end face and both connection cones is connected for transition
Face (303).
5. external screw thread axiality detection device according to claim 1, it is characterised in that
The coaxality measurement part (40) is dial gauge.
6. external screw thread axiality detection device according to claim 1, it is characterised in that
The two ends of the part to be measured (10) are respectively provided with center hole, the line of two center holes and the part (10) to be measured
Axis overlap.
7. external screw thread axiality detection device according to claim 6, it is characterised in that
The mounting bracket (20) includes setting on the support underframe (21) for being used to be supported on detection platform, the support underframe (21)
Have for supporting respectively the two of two center holes top (22), two top (22) relative levels are set.
8. external screw thread axiality detection device according to claim 7, it is characterised in that
It is vertical provided with two pieces of relative support plates (212) on bottom plate (211), the bottom plate (211) that the support underframe (21) includes,
It is provided with each support plate (212) top (22) of its opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720208369.0U CN206523121U (en) | 2017-03-06 | 2017-03-06 | External screw thread axiality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720208369.0U CN206523121U (en) | 2017-03-06 | 2017-03-06 | External screw thread axiality detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206523121U true CN206523121U (en) | 2017-09-26 |
Family
ID=59903127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720208369.0U Active CN206523121U (en) | 2017-03-06 | 2017-03-06 | External screw thread axiality detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206523121U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507450A (en) * | 2017-11-20 | 2018-09-07 | 新昌县嘉德科技发展有限公司 | A kind of main shaft concentricity testing agency |
| CN110132112A (en) * | 2019-04-02 | 2019-08-16 | 中国北方发动机研究所(天津) | A method of it is detected for titanium-aluminum alloy turbine and steel shaft interference connection coaxiality |
| CN113959312A (en) * | 2021-10-15 | 2022-01-21 | 晋西工业集团有限责任公司 | Coaxiality detection method for cylindrical part with threads at two ends |
-
2017
- 2017-03-06 CN CN201720208369.0U patent/CN206523121U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507450A (en) * | 2017-11-20 | 2018-09-07 | 新昌县嘉德科技发展有限公司 | A kind of main shaft concentricity testing agency |
| CN110132112A (en) * | 2019-04-02 | 2019-08-16 | 中国北方发动机研究所(天津) | A method of it is detected for titanium-aluminum alloy turbine and steel shaft interference connection coaxiality |
| CN110132112B (en) * | 2019-04-02 | 2021-01-15 | 中国北方发动机研究所(天津) | Method for detecting coaxiality of interference connection between titanium-aluminum alloy turbine and steel shaft |
| CN113959312A (en) * | 2021-10-15 | 2022-01-21 | 晋西工业集团有限责任公司 | Coaxiality detection method for cylindrical part with threads at two ends |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 412000 No. 1018, Hangfei Avenue, Lusong District, Zhuzhou City, Hunan Province Patentee after: Hunan Xingtu Aerospace and Spacecraft Manufacturing Co.,Ltd. Address before: 412000 Dong Jiaduo, Lusong District, Zhuzhou City, Hunan Province Patentee before: AVIC POWER ZHUZHOU AVIATION PARTS MANUFACTURING Co.,Ltd. |
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| CP03 | Change of name, title or address |