CN203687848U - Deflection angle measuring tool of flat hole - Google Patents
Deflection angle measuring tool of flat hole Download PDFInfo
- Publication number
- CN203687848U CN203687848U CN201320673750.6U CN201320673750U CN203687848U CN 203687848 U CN203687848 U CN 203687848U CN 201320673750 U CN201320673750 U CN 201320673750U CN 203687848 U CN203687848 U CN 203687848U
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- CN
- China
- Prior art keywords
- flat hole
- deflection angle
- guide rod
- blade clamp
- survey instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000005259 measurement Methods 0.000 claims abstract description 26
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a deflection angle measuring tool of a flat hole. The deflection angle measuring tool of the flat hole comprises a rule body cardboard and a measuring guide rod. The rule body cardboard is provided with a right angle and two right-angle sides, wherein one of the two right-angle sides is provided with length measurement scales, and the rule body cardboard and the measuring guide rod are assembled to form a right angled triangle. When the deflection angle measuring tool of the flat hole provided by the utility model is used for measuring the deflection angle relative to a connecting line of two holes, the measuring guide rod is adjusted and the position of a slider block is set. The included angle between the measuring guide rod and the rule body cardboard is equal to the angle to be measured, according to the reading shown by the slider block on the rule body cardboard and the relation between the side and the angle in a triangle, the deflection angle value of the flat hole to be measured is obtained. The deflection angle measuring tool of the flat hole has the characteristics of convenient usage and accurate detection.
Description
Technical field
Measurement of angle instrument when the utility model relates to a kind of machining, specifically a kind of survey instrument that utilizes leg-of-mutton corner to be related to the flat hole of measurement and positioning circle deflection angle.
Background technology
Figure 1 shows that the centring ring 9 using when axial compressor stator blade is installed, the angle α which is provided with between line l1 and the flat hole major axis l2 at flat hole 10 and 11, two positioning bolt hole centers of two positioning bolt holes is flat hole deflection angle.The centring ring of different size has He Bian hole, the flat hole deflection angle of different size.
When stator blade is installed, utilize centring ring shown in Fig. 1 stator blade to be fixedly mounted on the outer wall that holds cylinder, wherein flat hole is corresponding with petiole shape, centring ring is fixed on and is held on cylinder with screw, and at this moment the deflection angle in flat hole has just determined that stator blade blade is at the setting angle holding in cylinder.Therefore, guarantee the setting angle of stator blade blade, the deflection angle in flat hole is the critical control point of centring ring machining precision.
Originally, when flat hole deflection angle measurement, need to use three-dimensional checkout equipment to carry out.The method is subject to the restriction of fixed station position and professional detection technique personnel operation, and not only efficiency is low, cost is high and the consistance of measurement result is poor, is not suitable for the on-the-spot job requirement of Quick Measurement angle at any time.
Summary of the invention
The purpose of this utility model is to provide that a kind of detection efficiency is high, the testing result flat hole of centring ring deflection angle survey instrument accurately.
For this reason, the flat hole deflection angle survey instrument that the utility model provides comprises blade clamp and measurement guide rod, and described blade clamp is provided with right angle and two right-angle sides, and wherein a right-angle side is provided with linear measure longimetry scale; Described blade clamp is assembled into right-angle triangle with measurement guide rod.
Other technologies of the present utility model are characterized as:
Another right-angle side of described blade clamp is provided with mounting hole, and this mounting hole is used for installing workpiece for measurement and measures guide rod.
Described flat hole deflection angle survey instrument also comprises slide sign piece, and this slide sign piece is used for connecting measures guide rod and blade clamp, and for location survey scale.
Described flat hole deflection angle survey instrument also comprises guide finger, and this guide finger is installed in the positioning bolt hole of centring ring, and it is parallel with the line at two positioning bolt hole centers to make to measure guide rod for location survey guide rod.
Described flat hole deflection angle survey instrument also comprises register pin, and this register pin is used for locating blade clamp and measures guide rod, makes blade clamp be provided with the right-angle side of mounting hole and the major axis in flat hole is parallel, makes blade clamp crossing with measurement guide rod simultaneously.
Described register pin is provided with base, flat hole installed surface, blade clamp installed surface and measures guide rod installed surface.
Described blade clamp is provided with adjusting bearing, for regulating the height of blade clamp, makes the measurement face on blade clamp parallel with surface level, and described measurement face is the face that is provided with linear measure longimetry scale.
Described flat hole deflection angle survey instrument also comprises spacer shell, and this spacer shell is installed in flat hole, and described register pin is installed in spacer shell.
While adopting the flat hole of measurement device of the present utility model with respect to the deflection angle of two bolt positioning hole position lines, measure the position of guide rod tightening slide sign piece by adjustment, the angle value of measuring between guide rod and blade clamp equals angle value to be measured, the reading showing by the slide sign piece place on blade clamp now, can calculate flat hole deflection angle value to be measured according to triangle edges angular dependence.The utlity model has easy to use and testing result feature accurately.
Brief description of the drawings
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Fig. 1 is the structure reference view of centring ring;
Fig. 2 is the structure reference view of the flat hole of centring ring of the present utility model deflection angle survey instrument;
Fig. 3 is the structure reference view of blade clamp;
Fig. 4 is the structure reference view of register pin.
Embodiment
With reference to figure 2, the principle of survey instrument of the present utility model is, first by workpiece for measurement 8(centring ring) be installed on blade clamp 1 bottom, and ensure that blade clamp 1 is provided with the right-angle side of mounting hole and the flat hole major axis of workpiece for measurement 8 is parallel, measuring under guide rod 2 prerequisite parallel with the line at two positioning bolt hole centers simultaneously, measurement guide rod 2 is installed on blade clamp 1, measure guide rod 2 crossing with the right-angle side which is provided with scale simultaneously, joining is the scale value finally reading, finally utilize Pythagorean theorem to calculate flat hole deflection angle according to the size of instrument and this scale value.Whole measuring process has simple, easy to operate and measurement result feature accurately.
Wherein:
Can utilize slide sign piece 4 connection measurement guide rods 2 and blade clamp 1 to be provided with the right-angle side of linear measure longimetry scale, determine measured scale simultaneously.
Can utilize register pin 3 by workpiece for measurement 8(centring ring) be installed on blade clamp 1 bottom, specifically register pin 3 is installed in flat hole, blade clamp 1 is installed on register pin 3.Because there being the centring ring of many specifications, for the use of instrument is flexible, between different size centring ring, can select corresponding spacer shell 5 that register pin 3 is installed in flat hole.Correspondingly, as shown in Figure 4, the structure of this register pin 3 comprises base 51, flat hole installed surface and blade clamp installed surface 52 and measures guide rod installed surface 53.
Can utilize guide finger 6 that measurement guide rod 2 is installed on blade clamp 1, specifically guide finger 2 is installed in positioning bolt hole, again measurement guide rod 2 is installed on guide finger 6, and parallel with the line at two positioning bolt hole centers for ensureing to measure guide rod 2, each guide finger 6 of installing in two positioning bolt holes.Preferably, the head of guide finger 6 adopts conical structure, can be convenient to location.
For guaranteeing accurate positioning, measure guide rod 2 and be also installed on register pin 3 in being installed on guide finger 6.
With reference to figure 3, on blade clamp 1 of the present utility model, establish mounting hole 21, it is known that the centre distance of this mounting hole is provided with the distance of right-angle side 22 of linear measure longimetry scale, and the length of measuring in conjunction with another right-angle side can calculate the deflection angle in flat hole according to the relation of the right-angle triangle length of side and angle.
For keeping the steady placement of this survey instrument, blade clamp 1 bottom and slide sign piece 4 bottoms are provided with and regulate bearing 7.Can keep by set screw the steady placement of this survey instrument.
Below provide specific embodiment of the utility model, it should be noted that the utility model is not limited to following specific embodiment, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.
Embodiment:
For measuring the deflection angle of flat hole with respect to two position, hole lines:
With reference to figure 1 and Fig. 2, in the measurement of angle instrument of this embodiment, the mounting hole (benchmark is changed flat hole) on blade clamp coordinates connection with register pin, and the flat aperture of measured workpiece is crossed corresponding spacer shell and is also connected with register pin; Measure guide rod consistent with the straight line angle at the place, center of two positioning bolt holes on measured workpiece by two guide fingers.
Now, measure guide rod with the major axis shape in flat hole in an angle, measure guide rod and fix with holding screw when mobile slide sign piece is close to it, read slide sign piece shown position data on blade clamp, utility function relational expression just can calculate the angle value of measuring guide rod and the actual angle of flat hole major axis.
Certainly, survey instrument of the present utility model is also applicable to other and is similar to the mechanical configuration parameter of the flat hole of centring ring deflection angle.
Claims (8)
1. a flat hole deflection angle survey instrument, is characterized in that, comprises blade clamp and measures guide rod, and described blade clamp is provided with right angle and two right-angle sides, and wherein a right-angle side is provided with linear measure longimetry scale; Described blade clamp is assembled into right-angle triangle with measurement guide rod.
2. flat hole as claimed in claim 1 deflection angle survey instrument, is characterized in that, another right-angle side of described blade clamp is provided with mounting hole, and this mounting hole is used for installing workpiece for measurement and measures guide rod.
3. flat hole as claimed in claim 1 deflection angle survey instrument, is characterized in that, described flat hole deflection angle survey instrument also comprises slide sign piece, and this slide sign piece is used for connecting measures guide rod and blade clamp, and for location survey scale.
4. flat hole as claimed in claim 1 deflection angle survey instrument, it is characterized in that, described flat hole deflection angle survey instrument also comprises guide finger, this guide finger is installed in the positioning bolt hole of centring ring, and it is parallel with the line at two positioning bolt hole centers to make to measure guide rod for location survey guide rod.
5. flat hole as claimed in claim 1 deflection angle survey instrument, it is characterized in that, described flat hole deflection angle survey instrument also comprises register pin, this register pin is used for locating blade clamp and measures guide rod, make blade clamp be provided with the right-angle side of mounting hole and the major axis in flat hole is parallel, make blade clamp and to measure guide rod crossing simultaneously.
6. flat hole as claimed in claim 5 deflection angle survey instrument, is characterized in that, described register pin is provided with base, flat hole installed surface, blade clamp installed surface and measures guide rod installed surface.
7. flat hole as claimed in claim 1 deflection angle survey instrument, it is characterized in that, described blade clamp is provided with adjusting bearing, for regulating the height of blade clamp, make the measurement face on blade clamp parallel with surface level, described measurement face is the face that is provided with linear measure longimetry scale.
8. flat hole as claimed in claim 5 deflection angle survey instrument, is characterized in that, described flat hole deflection angle survey instrument also comprises spacer shell, and this spacer shell is installed in flat hole, and described register pin is installed in spacer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673750.6U CN203687848U (en) | 2013-10-29 | 2013-10-29 | Deflection angle measuring tool of flat hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673750.6U CN203687848U (en) | 2013-10-29 | 2013-10-29 | Deflection angle measuring tool of flat hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203687848U true CN203687848U (en) | 2014-07-02 |
Family
ID=51009735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320673750.6U Expired - Lifetime CN203687848U (en) | 2013-10-29 | 2013-10-29 | Deflection angle measuring tool of flat hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203687848U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655390A (en) * | 2017-10-24 | 2018-02-02 | 江门市长华集团有限公司 | A kind of cubing of clutch of motorcycle bar |
| CN110030906A (en) * | 2019-04-04 | 2019-07-19 | 西安陕鼓动力股份有限公司 | A kind of flat hole deflection angle measuring tool of crank |
| CN110487147A (en) * | 2019-08-26 | 2019-11-22 | 株洲时代新材料科技股份有限公司 | A kind of shaft box spring position of mounting hole metrization detection method and detecting tool |
-
2013
- 2013-10-29 CN CN201320673750.6U patent/CN203687848U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655390A (en) * | 2017-10-24 | 2018-02-02 | 江门市长华集团有限公司 | A kind of cubing of clutch of motorcycle bar |
| CN107655390B (en) * | 2017-10-24 | 2023-08-18 | 江门市长华集团有限公司 | Inspection device for motorcycle clutch lever |
| CN110030906A (en) * | 2019-04-04 | 2019-07-19 | 西安陕鼓动力股份有限公司 | A kind of flat hole deflection angle measuring tool of crank |
| CN110030906B (en) * | 2019-04-04 | 2021-10-19 | 西安陕鼓动力股份有限公司 | Crank flat hole deflection angle measuring tool |
| CN110487147A (en) * | 2019-08-26 | 2019-11-22 | 株洲时代新材料科技股份有限公司 | A kind of shaft box spring position of mounting hole metrization detection method and detecting tool |
| CN110487147B (en) * | 2019-08-26 | 2021-10-01 | 株洲时代瑞唯减振装备有限公司 | Axle box spring mounting hole position degree quantitative detection method and detection tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |