CN217384100U - Outer cone angle precision measurement device - Google Patents
Outer cone angle precision measurement device Download PDFInfo
- Publication number
- CN217384100U CN217384100U CN202220728678.1U CN202220728678U CN217384100U CN 217384100 U CN217384100 U CN 217384100U CN 202220728678 U CN202220728678 U CN 202220728678U CN 217384100 U CN217384100 U CN 217384100U
- Authority
- CN
- China
- Prior art keywords
- measuring sleeve
- measuring
- sleeve
- cavity
- shaft
- 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 - Fee Related
Links
- 238000005259 measurement Methods 0.000 title abstract description 14
- 238000010586 diagram Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an outer cone angle precision measurement device, which comprises a bracket, wherein the upper end of the bracket is provided with a through positioning hole; the lower end of the measuring sleeve penetrates through the positioning hole and is connected with the bracket, and the measuring sleeve is of a hollow structure with openings at the upper end and the lower end; the ejector rod is a stepped shaft, a blind hole is formed in the upper end of the ejector rod, the opening of the blind hole faces upwards, and the measuring sleeve is sleeved on the ejector rod; the spring is sleeved on the ejector rod, one end of the spring is connected with the measuring sleeve, and the other end of the spring is connected with the ejector rod; the shaft sleeve of the dial indicator is connected with the lower end opening of the measuring sleeve, and the contact of the dial indicator is abutted to the ejector rod. When the outer cone angles of the measured workpieces are different, the distances between the contact surface of the measuring sleeve and the measured workpiece and the distance between the contact surface of the ejector rod and the measured workpiece in the axial direction are different, and the tolerance of the outer cone angles is accurately reflected through reading of the dial indicator.
Description
Technical Field
The utility model relates to an outer cone angle measuring instrument technical field specifically is an outer cone angle precision measurement device.
Background
Some workpieces have defects in the production process, so that the produced finished products are unqualified, and the performance of industrial products to which the workpieces belong is influenced. In actual production, a taper ring gauge is usually used for detecting the taper of an outer cone of a workpiece, and a coloring method is used for detecting the taper angle of the outer cone, but the method cannot accurately represent the size of the taper angle by data, the detection result is not intuitive enough, and when the tolerance of the outer cone is small, the tolerance of the outer cone is difficult to accurately detect; and can only be used for inspecting finished products, but not for inspecting products in the processing process.
Disclosure of Invention
In order to solve among the prior art tapering ring gage can only be applicable to the great measurement of tolerance and can not show the problem of outer cone angle tolerance data, the utility model provides an outer cone angle precision measurement device adopts the amesdial to carry out the reading to whether the beat scope according to numerical value judges the work piece qualified, does also be used to machine and adds the inspection measurement of in-process. The utility model discloses an outer cone angle precision measurement device, include:
the upper end of the bracket is provided with a through positioning hole;
the lower end of the measuring sleeve penetrates through the positioning hole and is connected with the bracket, and the measuring sleeve is of a hollow structure with openings at the upper end and the lower end;
the device comprises a top rod, a measuring sleeve and a measuring sleeve, wherein the top rod is a stepped shaft, the upper end of the top rod is provided with a blind hole, the opening of the blind hole is upward, and the measuring sleeve is sleeved on the top rod;
the spring is sleeved on the ejector rod, one end of the spring is connected with the measuring sleeve, and the other end of the spring is connected with the ejector rod;
the shaft sleeve of the dial indicator is connected with the lower end opening of the measuring sleeve, and the contact of the dial indicator is abutted to the ejector rod.
As a further improvement of the above technical solution:
the ejector rod is sequentially provided with a first stepped shaft and a second stepped shaft from top to bottom, and the diameter of the first stepped shaft is larger than that of the second stepped shaft; a first limiting groove is formed in the side wall of the first stepped shaft; the spring is sleeved on the second stepped shaft and is connected with the side wall of the first stepped shaft; and the second step shaft is abutted with the contact of the dial indicator.
The cavity of the measuring sleeve is sequentially a first cavity, a second cavity and a third cavity from top to bottom; the caliber of the upper end of the first cavity is larger than that of the lower end of the first cavity, and the inner diameter of the second cavity is larger than that of the third cavity; the first stepped shaft is in clearance fit with the second cavity, and the second stepped shaft is in clearance fit with the third cavity; the inner wall of the second cavity is connected with the spring; the measuring sleeve is provided with a first limiting hole corresponding to the first limiting groove; further comprising: the first limiting shaft penetrates through the first limiting hole and is in sliding fit with the first limiting groove.
The outer wall of the measuring sleeve is provided with a positioning shaft shoulder, the diameter of the positioning shaft shoulder is larger than the inner diameter of the positioning hole, and the positioning shaft shoulder is positioned above the positioning hole; the outer wall of the measuring sleeve below the positioning hole is in threaded connection with the locking nut.
The measuring sleeve, the ejector rod, the dial indicator and the positioning hole are coaxial.
The measuring device also comprises a jacket, wherein the jacket is in a pipe shape with an opening on the side surface, the jacket is sleeved on the shaft sleeve of the dial indicator, and the jacket is in interference fit with the opening at the lower end of the measuring sleeve; the outer wall of the jacket is provided with an annular groove; the measuring sleeve is provided with a second limiting hole corresponding to the annular groove; the second limiting shaft penetrates through the second limiting hole and is abutted to the annular groove.
The upper end opening of the measuring sleeve is provided with a first chamfer, and the inner cone angle of the first chamfer is larger than the outer cone angle of the standard part; and the opening of the blind hole is provided with a second chamfer, and the inner taper angle of the second chamfer is larger than the outer taper angle of the standard part.
The measuring sleeve is provided with a vertical waist-shaped hole which penetrates through the measuring sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the device adopts the dial indicator for precise reading, and can automatically guide the central axis through the blind holes of the sleeve and the ejector rod during measurement, thereby accurately finding the measured conical surface; when the outer cone angle of the measured part and the outer cone angle of the standard part have tolerance, the ejector rod can correspondingly carry out linear motion, the taper tolerance of the outer cone angle is converted into a linear displacement value in the axis direction and then transmitted to a contact of the dial indicator, the linear displacement of the contact of the dial indicator is converted into the angular displacement of the pointer on the dial plate through a mechanical transmission system, and then whether the size of the workpiece is qualified or an accurate taper tolerance value is read according to the deviation of the pointer to the zero position.
(2) The small tolerance of the outer cone angle is converted into the linear displacement with obvious axial direction, so that the tolerance of the outer cone angle can be amplified, and the precise measurement is realized.
(3) The device has the advantages of ingenious design, convenient operation and maintenance and high measurement precision, and can be widely popularized and used in production, processing, assembly and inspection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall cross-sectional view of the dosing sleeve;
FIG. 3 is a partial cross-sectional view of the carrier rod;
FIG. 4 is a partial cross-sectional view of a jacket;
FIG. 5 is a schematic view of the overall construction of the stent;
FIG. 6 is a schematic view of a standard;
fig. 7 is a schematic diagram of the calculation method of the present invention.
Reference numerals:
1. a support; 10. positioning holes;
2. measuring the sleeve; 21. a first cavity; 22. a second cavity; 23. a third cavity; 24. a first limit hole; 25. positioning the shaft shoulder; 26. locking the nut; 27. a second limiting hole; 28. a first chamfer; 29. a vertical waist-shaped hole;
3. a top rod; 31. blind holes; 32. a first step shaft; 33. a second step axis; 34. a first limit groove; 35. a second chamfer;
4. a dial indicator; 41. a shaft sleeve; 42. a contact; 5. a jacket; 6. a first limit shaft; 7. a second limiting shaft.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Fig. 1 illustrates an overall structural schematic diagram of the present invention, and fig. 6 illustrates a schematic diagram of a standard component, as shown in fig. 1 and fig. 6, the outer cone angle precision measurement apparatus of the present embodiment includes: the upper end of the bracket 1 is provided with a through positioning hole 10; the lower end of the measuring sleeve 2 penetrates through the positioning hole 10 and is connected with the support 1, and the measuring sleeve 2 is of a hollow structure with openings at the upper end and the lower end; the ejector rod 3, the ejector rod 3 is a stepped shaft, the upper end of the ejector rod 3 is provided with a blind hole 31, the opening of the blind hole 31 faces upwards, and the measuring sleeve 2 is sleeved on the ejector rod 3; the spring is sleeved on the ejector rod 3, one end of the spring is connected with the measuring sleeve 2, and the other end of the spring is connected with the ejector rod 3; the dial indicator 4 is characterized in that a shaft sleeve 41 of the dial indicator 4 is connected with the lower end opening of the measuring sleeve 2, and a contact 42 of the dial indicator 4 is abutted against the ejector rod 3.
It should be noted here that the top rod 3 can perform linear motion in the measuring sleeve 2; the positioning circumference of the upper end opening of the measuring sleeve 2 is contacted with a measured workpiece full-line, namely an upper measuring surface Q, the upper measuring surface Q is a circumferential line, the opening of the blind hole 31 of the ejector rod 3 is also contacted with the measured workpiece full-line, namely a lower measuring surface P, and the lower measuring surface P is a circumferential line.
Fig. 7 illustrates a schematic diagram of a calculation method of the present invention. As shown in fig. 1 and 7, the calculation method of the present invention is:
r is half of the difference in radial dimension between the upper and lower measuring surfaces, i.e. (D) 1 -D 2 ) /2 (wherein D 1 、D 2 Upper and lower measuring surface circle diameters, respectively) as fixed values. The upper measuring plane Q, the lower measuring plane P and the axis form a right triangle, the upper part and the lower part,
The axial dimension L of the lower measurement surface varies with the measured cone angle α. According to the tangent function, the outer cone angle alpha is 2arctan, and when alpha changes, L changes along with the change. When measured outer cone angle alpha 1 When the angle of taper is larger than the outer taper angle of the standard part (the upper measuring surface Q is fixed), the lower measuring surface P moves upwards, and the axial distance L between the upper and lower measuring surfaces is 1 Less than L, Δ L 1 And when the value is negative, the pointer of the dial indicator 4 rotates counterclockwise relative to the zero position. When measured outer cone angle alpha 2 When the angle of taper is smaller than that of the external taper of the standard part, the lower measuring surface P moves downwards, and the axial distance L between the upper and lower measuring surfaces 2 Greater than L, Δ L 2 And the pointer of the dial indicator 4 rotates clockwise relative to the zero position at the moment. The taper change of the outer taper angle is converted into the linear size change (delta L) between the upper and the lower measuring surfaces in the axial direction by design calculation 1 、ΔL 2 ) And reading by a dial indicator 4 to accurately reflect the error of the cone angle.
According to the embodiment of the present invention, fig. 3 illustrates a partial cross-sectional view of the lift pin 3, as shown in fig. 3, the lift pin 3 is sequentially a first step shaft 32 and a second step shaft 33 from top to bottom, and the diameter of the first step shaft 32 is larger than that of the second step shaft 33; a first limit groove 34 is formed on the side wall of the first stepped shaft 32; the spring is sleeved on the second stepped shaft 33 and connected with the side wall of the first stepped shaft 32; the second stepped shaft 33 abuts on the contact 42 of the dial gauge 4.
It should be noted here that the ram 3 has high machining accuracy and a smooth outer wall surface.
According to the embodiment of the present invention, fig. 2 illustrates an overall cross-sectional view of the measuring sleeve 2, and as shown in fig. 2, the cavities of the measuring sleeve 2 are a first cavity 21, a second cavity 22 and a third cavity 23 from top to bottom; the caliber of the upper end of the first cavity 21 is larger than that of the lower end, and the inner diameter of the second cavity 22 is larger than that of the third cavity 23; the first stepped shaft 32 is in clearance fit with the second cavity 22, and the second stepped shaft 33 is in clearance fit with the third cavity 23; the inner wall of the second cavity 22 is connected with the spring; the measuring sleeve 2 is provided with a first limiting hole 24 corresponding to the first limiting groove 34; further comprising: the first limiting shaft 6, the first limiting shaft 6 penetrates the first limiting hole 24 and is in sliding fit with the first limiting groove 34. The measuring sleeve 2 is in clearance fit with the ejector rod 3 to ensure the linear motion of the ejector rod 3.
Here, it should be noted that the first cavity 21 is shaped like a horn; a convex outer edge is arranged outside the opening at the upper end of the measuring sleeve 2; the first limit shaft 6 is in threaded connection with the first limit hole 24; the second cavity 22 and the third cavity 23 have high processing precision, the inner wall surface is smooth, and a tool withdrawal groove is formed in the second cavity 22; the first limit groove 34 is an annular groove, and the length of the first limit groove 34 along the moving direction of the mandril 3 is larger than the outer diameter of the first limit shaft 6, so that the mandril 3 and the measuring sleeve 2 keep relative sliding in a specified range.
According to the embodiment of the utility model, the outer wall of the measuring sleeve 2 is provided with a positioning shaft shoulder 25, the diameter of the positioning shaft shoulder 25 is larger than the inner diameter of the positioning hole 10, and the positioning shaft shoulder 25 is positioned above the positioning hole 10; the outer wall of the measuring sleeve 2 below the positioning hole 10 is in threaded connection with a locking nut 26; so that the measuring bush 2 is fixedly mounted to the holder 1.
It should be noted that fig. 5 illustrates an overall structural schematic diagram of the bracket 1, and as shown in fig. 5, the bracket 1 is formed by welding an upper plate, a lower plate and a vertical plate; the upper plate is rectangular, the upper plate is provided with a positioning hole 10, a positioning shaft shoulder 25 is attached to the upper surface of the upper plate, and a locking nut 26 is attached to the lower surface of the upper plate; the lower plate is U-shaped, which can reduce the contact area between the lower plate and the table-board and make the device stably placed.
According to the utility model discloses an embodiment, measuring sleeve 2, ejector pin 3, amesdial 4 and locating hole 10 are coaxial.
According to the embodiment of the present invention, fig. 4 illustrates a partial cross-sectional view of the jacket 5, as shown in fig. 4, the jacket 5 is further included, the jacket 5 is in a tube shape with an opening on the side surface, the jacket 5 is sleeved on the shaft sleeve 41 of the dial indicator 4, and the jacket 5 is in interference fit with the lower end opening of the measuring sleeve 2; the outer wall of the jacket 5 is provided with an annular groove; the measuring sleeve 2 is provided with a second limiting hole 27 corresponding to the annular groove; the device also comprises a second limit shaft 7, and the second limit shaft 7 penetrates through the second limit hole 27 and is abutted against the annular groove. The lower end opening of the jacket 5 and the measuring sleeve 2 are in interference fit, so that the friction force between the jacket 5 and the measuring sleeve 2 can be increased; the second limiting shaft 7 is abutted with the jacket 5 to limit and fasten the dial indicator 4.
It should be noted here that the second limit shaft 7 is in threaded connection with the second limit hole 27; the jacket 5 is a short and thin circular tube made of elastic material and axially grooved.
According to the embodiment of the utility model, the upper opening of the measuring sleeve 2 is provided with a first chamfer 28, and the inner cone angle of the first chamfer 28 is larger than the outer cone angle of the standard component; the opening of the blind hole 31 is provided with a second chamfer 35, the inner taper angle of the second chamfer 35 is larger than the outer taper angle of the standard part, the first chamfer 28 can guide the measured part, and the measuring sleeve 2 is coaxial with the measured part; the second chamfer 35 can also guide the measured piece, so that the mandril 3 is coaxial with the measured piece.
According to the utility model discloses an embodiment, volume cover 2 is equipped with the vertical waist shape hole 29 that runs through, is convenient for observe the cooperation condition of measured piece and ejector pin 3 in the volume cover 2.
When the utility model is used, the standard component is put into the upper opening of the measuring sleeve 2, so that the big end conical surface of the standard component is in full line contact with the upper opening of the measuring sleeve 2, and the contact circumferential line of the measuring sleeve 2 is the upper measuring surface Q; meanwhile, the top cone of the standard part is inserted into the blind hole 31 of the ejector rod 3, the opening of the blind hole 31 is in full line contact with the standard part, and the contact circumference line of the ejector rod 3 is the lower measuring surface P; the mandril 3 moves downwards under the action of the gravity of the standard component to compress the spring; the mandril 3 moves downwards to push the contact 42 of the dial indicator 4 to move downwards, the pointer of the dial indicator 4 rotates, the second limiting shaft 7 is unscrewed, and the position of the dial indicator 4 is adjusted to enable the pointer to return to zero (when the dial indicator 4 is a pointer type indicator, the zero position of the dial plate is aligned with the pointer, and when the dial indicator 4 is a digital display indicator, the zero-returning button is pressed to enable the displayed numerical value to return to zero).
And (4) taking out the standard component, resetting the spring, and moving the mandril 3 upwards under the action of elastic force.
The measured piece is placed into the opening at the upper end of the measuring sleeve 2, the large end of the outer conical surface of the measured piece is in circumferential linear contact with the upper measuring surface Q, the conical top is inserted into the blind hole 31 of the ejector rod 3, and the measured piece is in full contact with the circumferential line of the lower measuring surface P. The axial distance of the upper and lower measuring surfaces changes with the size of the outer cone angle of the measured workpiece. When the measured taper is larger than the standard zero-setting taper of the standard component, the lower measuring surface P of the mandril 3 moves upwards, and the axial distance L between the upper and lower measuring surfaces 1 Less than L, Δ L 1 If the value is negative, the pointer of the dial indicator 4 rotates in the counterclockwise direction. When the measured taper is smaller than the standard zero-setting taper of the standard component, the lower measuring surface P of the mandril 3 moves downwards, and the axial distance L between the upper measuring surface and the lower measuring surface 2 Greater than L, Δ L 2 If the value is positive, the pointer of the dial indicator 4 rotates clockwise. And determining whether the size of the workpiece is qualified or not according to the deviation of the pointer of the dial indicator 4 from the zero position, and reading and recording accurate data of the workpiece.
After the measurement is finished, the workpiece is taken away, the standard part is placed in the measuring body taper hole, the measuring head of the dial indicator 4 is reset, and the pointer returns to the zero position.
The utility model discloses the technical scheme of well each embodiment can make up, and technical feature in the embodiment does to make up and forms new technical scheme.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An outside-cone-angle precision measuring apparatus, comprising:
the upper end of the bracket is provided with a through positioning hole;
the lower end of the measuring sleeve penetrates through the positioning hole and is connected with the bracket, and the measuring sleeve is of a hollow structure with openings at the upper end and the lower end;
the device comprises a top rod, a measuring sleeve and a measuring sleeve, wherein the top rod is a stepped shaft, the upper end of the top rod is provided with a blind hole, the opening of the blind hole is upward, and the measuring sleeve is sleeved on the top rod;
the spring is sleeved on the ejector rod, one end of the spring is connected with the measuring sleeve, and the other end of the spring is connected with the ejector rod;
the shaft sleeve of the dial indicator is connected with the lower end opening of the measuring sleeve, and the contact of the dial indicator is abutted to the ejector rod.
2. The precision measuring device for the external cone angle is characterized in that the ejector rod is provided with a first stepped shaft and a second stepped shaft from top to bottom, and the diameter of the first stepped shaft is larger than that of the second stepped shaft; a first limit groove is formed in the side wall of the first stepped shaft; the spring is sleeved on the second stepped shaft and is connected with the side wall of the first stepped shaft; and the second step shaft is abutted with the contact of the dial indicator.
3. The precision measuring device for the outer cone angle is characterized in that the cavity of the measuring sleeve is a first cavity, a second cavity and a third cavity from top to bottom in sequence; the caliber of the upper end of the first cavity is larger than that of the lower end of the first cavity, and the inner diameter of the second cavity is larger than that of the third cavity;
the first stepped shaft is in clearance fit with the second cavity, and the second stepped shaft is in clearance fit with the third cavity; the inner wall of the second cavity is connected with the spring; the measuring sleeve is provided with a first limiting hole corresponding to the first limiting groove;
further comprising: the first limiting shaft penetrates through the first limiting hole and is in sliding fit with the first limiting groove.
4. The precision measuring device for the outer cone angle is characterized in that the outer wall of the measuring sleeve is provided with a positioning shaft shoulder, the diameter of the positioning shaft shoulder is larger than the inner diameter of the positioning hole, and the positioning shaft shoulder is positioned above the positioning hole; the outer wall of the measuring sleeve below the positioning hole is in threaded connection with the locking nut.
5. The outside taper angle precision measuring device according to any one of claims 1 to 4, wherein the measuring sleeve, the ejector pin, the dial indicator and the positioning hole are coaxial.
6. The precision measuring device for the external cone angle according to any one of claims 1 to 4, further comprising a jacket, wherein the jacket is in a pipe shape with an opening on the side surface, the jacket is sleeved on a shaft sleeve of the dial indicator, and the jacket is in interference fit with the lower end opening of the measuring sleeve;
the outer wall of the jacket is provided with an annular groove; the measuring sleeve is provided with a second limiting hole corresponding to the annular groove;
the second limiting shaft penetrates through the second limiting hole and is abutted to the annular groove.
7. The precise measuring device for the external taper angle according to any one of claims 1 to 4, wherein the upper opening of the measuring sleeve is provided with a first chamfer, and the internal taper angle of the first chamfer is larger than the external taper angle of the standard component; and the opening of the blind hole is provided with a second chamfer, and the inner taper angle of the second chamfer is larger than the outer taper angle of the standard part.
8. The precision measuring device for the outer cone angle is characterized in that the measuring sleeve is provided with a vertical waist-shaped hole which penetrates through the measuring sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220728678.1U CN217384100U (en) | 2022-03-30 | 2022-03-30 | Outer cone angle precision measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220728678.1U CN217384100U (en) | 2022-03-30 | 2022-03-30 | Outer cone angle precision measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217384100U true CN217384100U (en) | 2022-09-06 |
Family
ID=83105237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220728678.1U Expired - Fee Related CN217384100U (en) | 2022-03-30 | 2022-03-30 | Outer cone angle precision measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217384100U (en) |
-
2022
- 2022-03-30 CN CN202220728678.1U patent/CN217384100U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205426044U (en) | Deep hole inner diameter measuring device | |
| CN204831259U (en) | Outside diameter detection device in axle sleeve part | |
| CN109341494A (en) | The quickly device of detection inner bore chamfering depth | |
| CN217384100U (en) | Outer cone angle precision measurement device | |
| CN113188409A (en) | Dimension detection device and dimension detection method for O-shaped groove in straight hole | |
| CN110044228B (en) | High-precision multi-cone deep hole detection device and detection method | |
| CN114577095A (en) | Outer cone angle precision measurement device and method | |
| CN114577096A (en) | Inner cone angle precision measurement device and method | |
| CN202255340U (en) | High-precision measuring tool for measuring diameter of deep bore | |
| CN101726234A (en) | Precise detector for center hole at shaft end | |
| CN202329460U (en) | Taper hole measurement device | |
| CN112033261B (en) | Tool for measuring distance between spherical center and end face of inner spherical surface and using method thereof | |
| CN110608652B (en) | Inner hole aperture precision measurement device and measurement method | |
| CN217384101U (en) | Inner cone angle precision measurement device | |
| CN213301053U (en) | Radius measuring instrument for spherical basal plane of conical roller | |
| CN211626296U (en) | Vernier type thread depth gauge checking fixture | |
| CN209085507U (en) | The device for fast detecting of inner bore chamfering depth | |
| CN201047746Y (en) | Internal taper detector | |
| CN110645877A (en) | Internal thread pitch diameter detection device | |
| CN219798127U (en) | Precision step excircle height measuring clamp | |
| CN117804357B (en) | Deep hole detection device and detection method based on laser reflection | |
| CN216049506U (en) | Vernier caliper for measuring pitch-row | |
| CN112665490B (en) | Eccentric inner curve profile gauge | |
| CN218155820U (en) | Dial indicator device for detecting center hole distance of lower assisting shaft | |
| CN214039785U (en) | Piston rod space size detection measuring tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220906 |