CN114001618A - A deep hole inner wall circular runout inspection tool - Google Patents
A deep hole inner wall circular runout inspection tool Download PDFInfo
- Publication number
- CN114001618A CN114001618A CN202111387492.0A CN202111387492A CN114001618A CN 114001618 A CN114001618 A CN 114001618A CN 202111387492 A CN202111387492 A CN 202111387492A CN 114001618 A CN114001618 A CN 114001618A
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- dial indicator
- deep hole
- linkage rod
- rotating shaft
- probe
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- 238000007689 inspection Methods 0.000 title 1
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims description 9
- 238000003754 machining Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a deep hole inner wall circular runout detection tool which comprises a linkage rod, wherein the linkage rod comprises a detection section and a driven section, a rotating shaft is arranged between the detection section and the driven section, the linkage rod can rotate around the rotating shaft, a detection head is fixedly arranged on the detection section, and the detection head can tightly abut against the inner wall of a deep hole to be detected; and the probe of the dial indicator abuts against the driven section, and when the linkage rod rotates around the rotating shaft, the probe can retract or stretch out of the dial indicator. The linkage rod is provided with the rotating shaft which is matched with the detecting head, so that the detecting head is abutted against the side wall of the deep hole of the workpiece, the linkage rod rotates around the rotating shaft along with the rotation of the workpiece when the circular runout of the hole wall changes, the pointer of the dial indicator swings by pushing the dial indicator probe through the linkage rod, and the circular runout value of the deep hole machining of the workpiece is displayed.
Description
Technical Field
The invention belongs to the field of workpiece detection equipment, and particularly relates to a deep hole inner wall circular runout detection tool.
Background
In the shaft machining process, a blind hole needs to be formed in the shaft center of some workpieces, when the depth of the blind hole is large, the machining effect of the bottom of the hole is not easy to observe, but for deep hole machining detection, a probe of an ordinary dial indicator cannot stretch into the bottom of the hole, the hole wall of the bottom of the deep hole is detected, and the existing detection equipment specially used for detecting the wall of the deep hole is complex and high in cost.
Disclosure of Invention
In view of this, the present invention provides a deep hole inner wall circle run-out detection tool for detecting the hole wall circle run-out of the bottom portion of the deep hole.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a deep hole inner wall circle run-out testing fixture comprises
The linkage rod comprises a detection section and a driven section, a rotating shaft is arranged between the detection section and the driven section, the linkage rod can rotate around the rotating shaft, a detection head is fixedly arranged on the detection section, and the detection head can be tightly abutted to the inner wall of the deep hole to be detected;
and the probe of the dial indicator abuts against the driven section, and when the linkage rod rotates around the rotating shaft, the probe can retract or stretch out of the dial indicator.
Furthermore, a tangent plane is arranged on one side of the driven section facing the dial indicator, and a probe of the dial indicator is abutted against the tangent plane.
Furthermore, the distance between the dial indicator probe and the rotating shaft is the same as the distance between the detection head and the rotating shaft.
Furthermore, the checking fixture further comprises a spring and a jackscrew, wherein the spring applies force towards the direction of the dial indicator to the driven section, when the linkage rod is located at the initial position, the spring enables the driven section to be abutted against the jackscrew, and when the linkage rod rotates, the spring is compressed or stretched.
Furthermore, this examine utensil still includes a riser, it has a plurality of connecting holes to open along vertical direction on the riser, spring one end is connected with the driven section, the other end can respectively with the connecting hole rigid coupling.
Furthermore, a jackscrew support is fixedly arranged on the vertical plate, a screw hole is formed in the jackscrew support, and the jackscrew is in threaded connection with the jackscrew support.
Further, the jackscrew, the spring and the dial indicator are arranged on the same side of the driven section.
Further, the spring is arranged between the jackscrew and the dial indicator.
Furthermore, the detection tool further comprises a fixing head, and a fixing hole for allowing a dial indicator probe to penetrate through is formed in the end portion of the fixing head.
Furthermore, the side wall of the fixing hole is outwards provided with a locking port and an adjusting notch, the locking port and the adjusting notch are positioned in the same straight line, the groove walls on two sides of the locking port are provided with through holes, and a locking bolt penetrates through the through holes.
Compared with the prior art, the deep hole inner wall circular runout gauge has the following advantages:
the linkage rod is provided with the rotating shaft to be matched with the detecting head, so that the detecting head is abutted against the side wall of the deep hole of the workpiece, the linkage rod rotates around the rotating shaft along with the rotation of the workpiece when the circular runout of the hole wall changes, the pointer of the dial indicator swings by pushing the dial indicator probe through the linkage rod, and the circular runout value of the deep hole machining of the workpiece is displayed;
the spring is used for applying force to the linkage rod, so that the detection head is tightly abutted against the hole wall in the detection process, the detection result is accurate, the movement space of the driven section is limited by the jackscrew, and the dial indicator probe is damaged due to the fact that the rotation angle of the driven section is too large;
a plurality of connecting holes are formed in the vertical plate, so that the end parts of the springs can be located at different heights, and the force of the springs can be adjusted.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a circular run-out gauge;
FIG. 2 is a schematic view of a dial indicator support;
FIG. 3 is a front view of the circle run-out gauge.
Description of reference numerals:
1-a base; 2-standing the plate; 21-a connection hole; 3-a linkage rod; 31-detection section; 32-a driven section; 33-cutting into sections; 4-a rotating shaft; 5-dial indicator; 6-a jackscrew bracket; 61-top thread; 7-dial indicator support; 71-a fixed head; 72-fixed holes; 73-locking port; 74-adjustment notches; 8-spring.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The invention relates to a deep hole inner wall circular runout detection tool, which comprises a base 1, wherein a vertical plate 2 vertically and upwardly extends from the middle of the base 1, a linkage rod 3 is rotatably connected to one side of the vertical plate 2, a rotating shaft 4 penetrates through the vertical plate 2, the middle of the linkage rod 3 is rotatably connected with the rotating shaft 4, the linkage rod 3 is divided into a detection section 31 and a driven section 32 through the rotating shaft 4, the detection section 31 extends out of the range of the vertical plate 2, so that the detection section 31 can extend into a deep hole of a workpiece to be detected to prevent the workpiece from interfering with the vertical plate 2, a detection head is fixedly arranged at the end part of the detection section 31, the length direction of the detection head is vertical to the length direction of the linkage rod 3, and the detection head can tightly abut against the wall of the deep hole of the workpiece in the working process.
The invention also comprises a dial indicator 5, a jackscrew 61 and a spring 8, wherein a dial indicator bracket 7 for fixing the dial indicator 5 and a jackscrew bracket 6 for fixing the jackscrew 61 are fixedly arranged on the vertical plate 2, the dial indicator bracket 7 comprises a fixing head 71, a fixing hole 72 for passing through a probe of the dial indicator 5 is arranged at the end part of the fixing head 71, a locking port 73 and an adjusting notch 74 are outwards arranged on the side wall of the fixing hole 72, and the locking port 73 and the adjusting notch 74 are in the same straight line, through holes are formed on the groove walls at both sides of the locking port 73, a locking bolt (not shown in the figure) can pass through the through holes, during the process of installing the dial indicator 5, the metal tube of the dial indicator 5 for accommodating the probe passes through the fixing hole 72, and then is screwed by the matching of the locking bolt and the nut, the locking mouth 73 and the adjusting notch 74 are shrunk to clamp the metal tube, so that the dial indicator 5 is fixed on the fixing head 71; the fixing frame of the jackscrew 61 is provided with a screw hole, the jackscrew 61 is in threaded connection with the screw hole,
the spring 8 is connected with the driven section 32 and applies a force towards the direction of the dial indicator 5 to the driven section 32, specifically, the jackscrew 61 and the dial indicator 5 can be arranged above the driven section 32, the spring 8 can also be arranged above the driven section 32, one end of the spring 8 is connected with the driven section 32, and the other end is hung on the side wall of the vertical plate 2; the spring 8 can also be arranged below the driven section 32, one end of the spring is propped against the driven section 32, and the other end of the spring is propped against the base 1; in this embodiment, spring 8 is arranged in driven section 32 top, and it has a plurality of connecting holes 21 to open along vertical direction on the riser 2, 8 tip of spring can be connected with connecting hole 21, and through being connected with the connecting hole 21 of co-altitude not, make spring 8 be in different tensile or compression degree, thereby adjust the application of force size of spring 8 to driven section 32, in this embodiment, for the ease of installation jackscrew 61, spring 8 and percentage table 5 are arranged in gangbar 3 with one side in, spring 8 is arranged in between jackscrew 61 and percentage table 5, thereby make percentage table 5 and detecting head arrange in 3 both ends of gangbar, arrange jackscrew 61 and spring 8 in 3 middle parts of gangbar, make the gangbar 3 length of 4 both sides of pivot the same, reduce the influence of gangbar 3 self weight to the detection.
In the use process, the probe of the dial indicator 5 abuts against the driven section 32, when the linkage rod 3 rotates around the rotating shaft 4, the probe can be retracted or extended out, so that the deep hole circular runout is displayed through the pointer of the dial indicator 5, and in order to more intuitively display the circular runout value in the deep hole through the dial indicator 5, the distance between the probe of the dial indicator 5 and the rotating shaft 4 is the same as the distance between the detection head and the rotating shaft 4, so that the motion amplitude of the detection head is the same as the motion amplitude of the probe of the dial indicator 5, so that the circular runout value in the hole is displayed by the dial indicator 5, in order to enable parts such as the probe of the dial indicator 5, a jackscrew 61 and the like to be tightly contacted with the linkage rod 3, a tangent plane 33 is arranged on one side, facing the dial indicator 5, of the driven section 32, the probe of the dial indicator 5 abuts against the tangent plane 33, and when the linkage rod 3 is at the initial position, the spring 8 enables the driven section 32 to abut against the jackscrew 61, when the linkage rod 3 rotates, the spring 8 is compressed or stretched.
According to the deep hole inner wall circular runout detection tool, before use, the spring 8 is in a slight stretching state, the driven section 32 is abutted against the end portion of the jackscrew 61, in the use process, the detection section 31 is stretched into a deep hole, the detection head is abutted against the hole wall, the driven section 32 is separated from the jackscrew 61, the dial indicator 5 is adjusted, a probe of the dial indicator 5 is abutted against the end portion of the driven section 32, meanwhile, a pointer of the dial indicator 5 is positioned at a position convenient to observe, a workpiece is rotated, the detection head moves for a circle around the deep hole, and therefore the circular runout condition of deep hole machining is observed.
As will be appreciated by those skilled in the art, the workpiece may be mounted on a V-block, and after the test section is extended into the deep hole, the test head is lifted up in contact with the hole wall, so that the driven section is disengaged from the jack screw, and the spring is stretched.
The dial indicator support and the jackscrew support are both L-shaped and comprise vertical sections used for being fixed with the vertical plate, long circular holes are formed in the vertical sections, the dial indicator support and the jackscrew support are fixed in a mode that bolts penetrate through the long circular holes and are in threaded connection with the vertical plate, and the heights of the dial indicator support and the jackscrew support are adjusted through the long circular holes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a deep hole inner wall circle is beated and is examined utensil which characterized in that: comprises that
The linkage rod (3) comprises a detection section (31) and a driven section (32), a rotating shaft (4) is arranged between the detection section (31) and the driven section (32), the linkage rod (3) can rotate around the rotating shaft (4), a detection head is fixedly arranged on the detection section (31), and the detection head can be tightly abutted to the inner wall of the deep hole to be detected;
and the probe of the dial indicator (5) is abutted against the driven section (32), and when the linkage rod (3) rotates around the rotating shaft (4), the probe can be retracted or extended out of the dial indicator (5).
2. The deep hole inner wall circle run-out testing fixture of claim 1, characterized in that: the side of the driven section facing the dial indicator is provided with a tangent plane, and a probe of the dial indicator is abutted against the tangent plane.
3. The deep hole inner wall circle run-out testing fixture of claim 1, characterized in that: the distance between the dial indicator probe and the rotating shaft is the same as the distance between the detection head and the rotating shaft.
4. The deep hole inner wall circle run-out testing fixture of claim 1, characterized in that: the spring applies force towards the direction of the dial indicator to the driven section, when the linkage rod is located at the initial position, the driven section is abutted against the jackscrew through the spring, and when the linkage rod rotates, the spring is compressed or stretched.
5. The deep hole inner wall circle run-out gauge according to claim 4, characterized in that: the vertical plate is provided with a plurality of connecting holes in the vertical direction, one end of the spring is connected with the driven section, and the other end of the spring can be fixedly connected with the connecting holes respectively.
6. The deep hole inner wall circle run-out testing fixture of claim 5, characterized in that: the riser is fixedly provided with a jackscrew support, the jackscrew support is provided with a screw hole, and the jackscrew is in threaded connection with the jackscrew support.
7. The deep hole inner wall circle run-out gauge according to claim 4, characterized in that: the jackscrew, the spring and the dial indicator are arranged on the same side of the driven section.
8. The deep hole inner wall circle run-out gauge according to claim 4, characterized in that: the spring is arranged between the jackscrew and the dial indicator.
9. The deep hole inner wall circle run-out testing fixture of claim 1, characterized in that: the dial indicator probe fixing device further comprises a fixing head, and a fixing hole for allowing the dial indicator probe to penetrate through is formed in the end portion of the fixing head.
10. The deep hole inner wall circle run-out testing fixture of claim 9, characterized in that: the side wall of the fixing hole is outwards provided with a locking port and an adjusting notch, the locking port and the adjusting notch are positioned in the same straight line, the groove walls on two sides of the locking port are provided with through holes, and a locking bolt penetrates through the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111387492.0A CN114001618A (en) | 2021-11-22 | 2021-11-22 | A deep hole inner wall circular runout inspection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111387492.0A CN114001618A (en) | 2021-11-22 | 2021-11-22 | A deep hole inner wall circular runout inspection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114001618A true CN114001618A (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111387492.0A Pending CN114001618A (en) | 2021-11-22 | 2021-11-22 | A deep hole inner wall circular runout inspection tool |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315814A (en) * | 2004-04-30 | 2005-11-10 | Japan Science & Technology Agency | Deep hole measuring device and deep hole measuring method |
| US20130061485A1 (en) * | 2011-09-14 | 2013-03-14 | Dorsey Metrology International | Bore Gage System for Setting and Measuring Large Diameter Bores |
| CN204165479U (en) * | 2014-11-17 | 2015-02-18 | 江苏太平洋精锻科技股份有限公司 | Deep hole diameter run-out cubing in axle |
| CN107421414A (en) * | 2017-06-30 | 2017-12-01 | 天津天海同步科技有限公司 | A kind of axial workpiece internal spline bounce gauge |
| CN216283108U (en) * | 2021-11-22 | 2022-04-12 | 天津天海精密锻造有限公司 | Deep hole inner wall circle is beated and is examined utensil |
-
2021
- 2021-11-22 CN CN202111387492.0A patent/CN114001618A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315814A (en) * | 2004-04-30 | 2005-11-10 | Japan Science & Technology Agency | Deep hole measuring device and deep hole measuring method |
| US20130061485A1 (en) * | 2011-09-14 | 2013-03-14 | Dorsey Metrology International | Bore Gage System for Setting and Measuring Large Diameter Bores |
| CN204165479U (en) * | 2014-11-17 | 2015-02-18 | 江苏太平洋精锻科技股份有限公司 | Deep hole diameter run-out cubing in axle |
| CN107421414A (en) * | 2017-06-30 | 2017-12-01 | 天津天海同步科技有限公司 | A kind of axial workpiece internal spline bounce gauge |
| CN216283108U (en) * | 2021-11-22 | 2022-04-12 | 天津天海精密锻造有限公司 | Deep hole inner wall circle is beated and is examined utensil |
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