CN114111495B - Jumping measurement gauge taking external thread as reference - Google Patents
Jumping measurement gauge taking external thread as reference Download PDFInfo
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- CN114111495B CN114111495B CN202111308576.0A CN202111308576A CN114111495B CN 114111495 B CN114111495 B CN 114111495B CN 202111308576 A CN202111308576 A CN 202111308576A CN 114111495 B CN114111495 B CN 114111495B
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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
-
- 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
-
- 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
- G01B5/0004—Supports
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention belongs to the technical field of process equipment measurement, and particularly relates to a runout measurement gauge taking external threads as references. Comprising the following steps: the device comprises a flat plate (2), a support plate (5), an adjusting screw (11), a cylindrical end set screw (12), a movable ejector rod (16), a pin flat bushing (30), a positioning seat (21), a moving seat (23), two guide plates (24), a meter frame seat (26), a support block (28), a guide rail (29) and a threaded positioning plate (34), wherein a dial indicator is fixed on the meter frame seat (26) through the dial indicator frame, the dial indicator head is in contact with a measuring part of a measured part by a proper pressure, the threaded part of the measured part is positioned by the threaded positioning plate (34) of the detecting tool, the measured part is rotated, the measured part moves along the axial direction, and the meter frame seat (26) is pushed to move synchronously. The synchronous movement of the dial indicator and the measured part is realized, and the jumping value is accurately measured.
Description
Technical Field
The invention belongs to the technical field of process equipment measurement, and particularly relates to a runout measurement gauge taking external threads as references.
Background
In aviation oil pump products, part design drawings often have smooth cylindrical surface or end face to external thread radial runout requirement, because the screw thread has axial displacement in the rotation process, if the measurement dial indicator does not move along with the measured part synchronously, then the measuring result will produce too big measuring error. To solve this problem, one method may purchase dedicated measurement equipment, but with a large investment, the economy is poor. The other is a conversion reference, which is approximately measured by taking the cylindrical surface of the external diameter of the screw thread as a reference, and the reliability of the method is poor. And moreover, the measurement is not performed, the form and position tolerance is ensured by one clamping, and the processing method cannot be accepted by customers. For this purpose, the measuring device is provided.
Disclosure of Invention
The purpose of the invention is that: the runout measuring gauge with the external thread as the reference is provided, so that the technical problem of measuring runout of other smooth cylindrical surfaces or end surfaces on a mechanical part with the external thread as the reference is solved.
The technical scheme of the invention is as follows:
a fixture for measuring runout with external threads as references, comprising: the flat plate 2, the support plate 5, the adjusting screw 11, the cylinder end set screw 12, the movable ejector rod 16, the pin flat bushing 30, the positioning seat 21, the movable seat 23, the two guide plates 24, the meter frame seat 26, the support block 28, the guide rail 29 and the threaded positioning plate 34, wherein the guide rail 29 is fixed on the flat plate 2, an arc-shaped groove is arranged below the movable seat 23, the pin flat bushing 30 is embedded into the arc-shaped groove below the movable seat 23, the pin flat bushing 30 is sleeved on the guide rail 29 to drive the movable seat 23 to slide along the guide rail 29, the two guide plates 24 are respectively fixed on the front side and the rear side of the movable seat 23, the two guide plates 24 are respectively provided with horizontal grooves, the meter frame seat 26 is arranged in the horizontal grooves of the two guide plates 24, a threaded hole is arranged above the movable seat 23, the support block 28 is positioned on the left side of the movable seat 23 and fixed on the flat plate 2, a through hole horizontally corresponding to the threaded hole above the movable seat 23 is arranged on the support block 28, the adjusting screw 11 passes through the through hole and is connected with a threaded hole above the movable seat 23, the adjusting screw 11 is provided with an annular groove, the cylindrical end setting screw 12 passes through the supporting block 28 and is matched with the annular groove of the adjusting screw 11 to limit the horizontal movement of the adjusting screw 11, the positioning seat 21 is positioned on the right side of the guide rail 29 and is fixed on the flat plate 2, the positioning seat 21 is finely processed with a horizontal long groove vertical to the guide rail direction, the groove is internally provided with a threaded positioning plate 34, the threaded positioning plate 34 is two front and back, the threaded part of the part to be measured is in micro-clearance fit with the two threaded positioning plates 34, the T-shaped groove is arranged above the meter frame seat 26 and is used for installing a dial indicator frame, the middle part of the meter frame seat 26 is provided with a horizontal hole, the movable ejector rod 16 is arranged in the horizontal hole, the left end of the movable ejector rod 16 is contacted with the meter frame seat 26, the right end of the movable ejector rod 16 is contacted with the part to be measured and moves along the axial direction during measurement, and pushes the meter frame base 26 to synchronously move, thereby realizing the synchronous movement of the dial indicator and the measured part and accurately measuring the jumping value.
Further, the left end of the adjusting screw 11 is also provided with a movable handle 10.
Further, four low legs 1 are included, and the four low legs 1 are fixed at four corners of the flat plate 2.
Further, the device also comprises a fine tuning screw 13, wherein the fine tuning screw 13 is arranged at the left end of the horizontal hole in the middle of the meter frame base 26 and used for fine tuning the distance between the movable ejector rod 16 and the part to be tested.
Further, a replaceable pad 19 is fixed at the right end of the movable ejector rod 16, and the part to be tested is contacted with the replaceable pad 19.
Further, four flat stoppers 18 are provided, respectively fixed to the left and right sides of the two guide plates 24, for preventing the bezel 26 from sliding out.
Further, a bushing is arranged at the right end of the movable ejector rod 16, the compression spring 15 is sleeved on the left end of the movable ejector rod 16, the left end of the compression spring 15 is in contact with the movable ejector rod 16, the right end of the compression spring 15 is in contact with the bushing 17, and the compression spring 15 enables the movable ejector rod 16 to be always in contact with the fine adjustment screw 13.
Further, an elastic opening structure is arranged on the supporting block 28, and the adjusting screw 11 is locked and fixed through the inner hexagon screw 27.
The invention has the technical effects that: by using the runout measuring gauge with the external thread as the reference, the radial runout measuring difficulty with the smooth cylindrical surface or the end face on the part as the reference is well solved, and the radial runout measuring gauge is economical and practical.
Drawings
FIG. 1 is a front view of a pin thread based runout measurement gauge;
FIG. 2 is a top view of a runout measuring gauge with external threads as a reference;
FIG. 3 is a left side view of an external thread-based runout measurement gauge;
FIG. 4 is a right side view of an external thread-based runout measurement gauge;
FIG. 5 is an isometric view of a runout measuring gauge with external threads as a reference;
FIG. 6 is an isometric view of a runout measuring gauge with external threads as a reference, corresponding to a front view;
fig. 7 is an isometric view of a runout measuring tool with external threads as a reference, corresponding to the left side view.
The novel screw type hydraulic nut comprises a lower support leg 2, a flat plate 3, an inner hexagon screw 4, a cylindrical pin 5, a support plate 6, an inner hexagon screw 7, a nut 8 with Kong Gunhua, a cylindrical pin 9, a spherical end screw 10, a movable handle 11, an adjusting screw 12, a cylindrical end set screw 13, a fine adjusting screw 14, a screw-in sleeve 15, a compression spring 16, a movable ejector rod 17, a bushing 18, a flat baffle 19, an exchangeable pad 20, a cross-shaped groove countersunk head screw 21, a positioning seat 22, a cylindrical pin 23, a movable seat 24, a guide plate 25, a cylindrical head screw 26, a table frame seat 27, an inner hexagon screw 28, a supporting block 29, a guide rail 30, a pin flat bushing 31, a cylindrical pin 32, an inner hexagon screw 33, a diamond positioning pin 34, a threaded positioning plate 35, a high head screw 36, a cover plate 37, a bending baffle 38, a small compression spring 39 and a thin nut.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1-7, the external thread-based runout measuring gauge of the present invention comprises a flat plate, a low leg, a guide rail, a thread locating plate, and a movable seat. The dial indicator is fixed on the meter frame seat 26 through the dial indicator frame, the dial indicator head is contacted with the measuring part of the measured part by a proper pressure, the threaded part of the measured part is positioned by the threaded positioning plate 34 of the measuring tool, the measured part is rotated, and the measured part moves along the axial direction and pushes the meter frame seat 26 to move synchronously. Therefore, the synchronous movement of the dial indicator and the measured part is realized, and the jumping value is accurately measured.
The flat plate 2 is supported by the four equal-height support legs 1, so that the gauge is placed more stably and is more convenient to carry, the guide rail 29 is in a pin flat shape, and the gauge is fixed on the flat plate 2 through the inner hexagon screws 32 and the cylindrical pins 31 of M6 multiplied by 16.
The positioning seat 21 is fixed on the flat plate 2 through the inner hexagon screw 3 and the cylindrical pin 4 of M10 multiplied by 25. The support block 28 is fixed to the flat plate 2 by the socket head cap screws 6 of m8×20.
The positioning seat 21 is finely provided with a long groove, and a threaded positioning plate 34 is fixed in the groove. The threaded portion of the threaded locating plate 34 should be precisely machined to ensure good engagement with the threaded profile of the part being tested. The screw thread locating plate 34 is made of alloy carburizing steel, and the heat treatment hardness is higher than HRC 60. And after the processing is finished, the wire cutting process is applied to cut the workpiece into two parts, wherein one part is a fixed and replaceable threaded positioning plate and the other part is a movable and replaceable threaded positioning plate. The fixed replaceable threaded locating plate is located on the locating seat 21 by using the socket head cap screws 32 and the diamond locating pins. The movable replaceable thread locating plate is driven by the spherical end screw 9 and the belt Kong Gunhua nut 7, and the movable replaceable thread locating plate realizes the opening and closing function by rotating the belt Kong Gunhua nut 7 and the spherical end screw 9, so that the locating clearance between the movable replaceable thread locating plate and the threads of the measured part is eliminated. And measurement errors caused by drift of the thread axis of the measured part are avoided.
The guide plate 24 is fixed on the movable seat 23 through the inner hexagon screw 6 of M8x20 and the cylindrical pin 22, and two sides of the guide plate are respectively provided with a rectangular guide groove. A meter frame seat 26 is arranged in the rectangular guide groove, and a T-shaped groove is processed on the meter frame seat 26 and used for fixing the dial indicator frame. The inside of the device is also provided with a screw-in threaded bushing 14, a movable ejector rod 16, a pressed pin flat bushing 17, a compression spring 15 and a fine adjustment screw 13. In order to adapt to the contact diameter of the movable ejector rod 16 with different tested parts, a replaceable pad 19 is fixed on the end face of the movable ejector rod by using a countersunk head screw 20 so as to adapt to the requirements of different parts. The compression spring 15 can enable the movable ejector rod 16 to be always contacted with the fine adjustment screw 13, so that the situation that the movable ejector rod 16 moves and the meter stand 26 is not moved is avoided. When the lengths of different measured parts are not different, the method of adjusting the fine adjustment screw 13 can be used.
The positioning seat 21 is fixed on the flat plate 2 through the inner hexagon screw 3 and the cylindrical pin 4 of M10 multiplied by 25. The support block 28 is fixed to the flat plate 2 by the socket head cap screws 6 of m8×20. The positioning seat 21 is provided with a long groove in a finish machining mode, and a threaded positioning plate 34 is fixed in the groove. The threaded portion of the threaded locating plate 34 should be precisely machined to ensure good engagement with the threaded profile of the part being tested. The screw thread locating plate 34 is made of alloy carburizing steel, and the heat treatment hardness is higher than HRC 60. And after the processing is finished, the wire cutting process is applied to cut the workpiece into two parts, wherein one part is a fixed and replaceable threaded positioning plate and the other part is a movable and replaceable threaded positioning plate. The fixed replaceable threaded locating plate is located on the locating seat 21 by using the socket head cap screws 32 and the diamond locating pins. The movable replaceable thread locating plate is driven by the spherical end screw 9 and the belt Kong Gunhua nut 7, and the movable replaceable thread locating plate realizes the opening and closing function by rotating the belt Kong Gunhua nut 7 and the spherical end screw 9, so that the locating clearance between the movable replaceable thread locating plate and the threads of the measured part is eliminated. And measurement errors caused by drift of the thread axis of the measured part are avoided.
The movable seat 23 is provided with a non-round hole, and a non-round pin flat bushing 30 is pressed in the non-round hole and is used for being matched with the guide rail 29 in a positioning way, so that a guiding function when the movable seat 23 moves is realized. The combination of the non-circular pin flat bushing hole and the plane of contact on the flat plate 2 on the movable seat 23 realizes that the movable seat 23 can only move smoothly along the guide rail 29, and fully limits the other 5 degrees of freedom in space.
The non-round pin flat bushing hole and the guide rail should form a micro-clearance fit of H7/H6. The guide plate 24 is fixed on the movable seat 23 through the inner hexagon screw 6 of M8x20 and the cylindrical pin 22, and two sides of the guide plate are respectively provided with a rectangular guide groove. A meter frame seat 26 is arranged in the rectangular guide groove, and a T-shaped groove is processed on the meter frame seat 26 and used for fixing the dial indicator frame. The inside of the device is also provided with a screw-in threaded bushing 14, a movable ejector rod 16, a pressed pin flat bushing 17, a compression spring 15 and a fine adjustment screw 13. In order to adapt to the contact diameter of the movable ejector rod 16 with different tested parts, a replaceable pad 19 is fixed on the end face of the movable ejector rod by using a countersunk head screw 20 so as to adapt to the requirements of different parts. The compression spring 15 can enable the movable ejector rod 16 to be always contacted with the fine adjustment screw 13, so that the situation that the movable ejector rod 16 moves and the meter stand 26 is not moved is avoided. When the lengths of different measured parts are not different, the method of adjusting the fine adjustment screw 13 can be used.
The supporting block 28 is of an elastic opening structure, the adjusting screw 11 is locked and fixed by using the inner hexagon screw 27 of M6X12, the cylindrical end set screw 12 is clamped into the annular groove of the adjusting screw 11, so that the cylindrical end set screw 12 can only rotate but cannot move, the movable seat 23 is driven to move along the guide rail 29 through the screw thread effect, and the adjustment of the working position of the movable seat 23 is realized, so that the requirements of different tested parts are met. When the working position of the movable seat 23 is adjusted, the socket head cap screws 27 are screwed down to lock the adjusting screws 11, so that no rotation occurs in the measuring process.
Working principle:
when a part is measured, the thread locating plate 34 which is consistent with the threads of the measured part is first replaced and installed in place. The dial indicator stand is fixed on the dial indicator stand base 26, and the dial indicator is fixed on the dial indicator stand. The appropriate replaceable pad 19 is replaced according to the diameter and length of the part to be measured, and the movable seat 23 is adjusted to the appropriate position. The thin nut 39 and socket head cap screws 27 on the support blocks 28 are tightened. The part to be measured is screwed into the threaded locating plate 34, and the position of the movable replaceable threaded locating plate is adjusted to form clearance or micro clearance fit with the threads of the part to be measured. The dial indicator head is pressed on the cylindrical surface or the end surface of the measured part, the fine adjustment screw 13 is adjusted to enable the replaceable pad 19 to be tightly attached to the end surface of the measured part, the measured part is lightly rotated for a circle, and the change quantity of the dial indicator pointer is read out, namely the jump quantity of the cylindrical surface or the end surface of the measured part to the screw thread reference.
The guide rail 29, the adjusting screw 11 and the movable seat 23 in fig. 1 or fig. 5 are arranged to adjust the neutral distance between the meter frame seat 26 and the threaded positioning plate 34 so as to adapt to the requirement of large change of the lengths of different measured parts.
The trimming screw 13, the threaded bushing 14, the movable ejector rod 16 and the compression spring 15 are arranged in fig. 1 or 6, and the purpose of the trimming screw is to adjust the neutral distance between the meter stand 26 and the threaded positioning plate 34 so as to adapt to the requirement of small change of the lengths of different measured parts.
The small compression spring 38 in fig. 2 provides a small damping pressure to the right to ensure that the meter frame 26 will move to the left after receiving a certain thrust force, and the meter frame 26 will not move to the left due to micro interference, so that inaccurate measurement occurs.
The screw thread locating plate 34 in fig. 4 or fig. 7 is an important locating element of the gauge, and is composed of two parts, one part is a fixed replaceable screw thread locating plate, and the other part is a movable replaceable screw thread locating plate. The design purpose is to eliminate the fit clearance between the thread locating plate 34 and the threads of the measured part, and avoid measurement errors caused by the drift of the axis of the threads of the measured part.
Claims (8)
1. A runout measurement gauge with external threads as references, comprising: the utility model comprises a flat plate (2), a support plate (5), an adjusting screw (11), a cylinder end set screw (12), a movable ejector rod (16), a pin flat bushing (30), a positioning seat (21), a movable seat (23), two guide plates (24), a meter frame seat (26), a support block (28), a guide rail (29) and a threaded positioning plate (34), wherein the guide rail (29) is fixed on the flat plate (2), an arc-shaped groove is arranged below the movable seat (23), the pin flat bushing (30) is embedded in the arc-shaped groove below the movable seat (23), the pin flat bushing (30) is sleeved on the guide rail (29) to drive the movable seat (23) to slide along the guide rail (29), the two guide plates (24) are respectively fixed on the front side and the rear side of the movable seat (23), horizontal grooves are respectively arranged on the two guide plates (24), the meter frame seat (26) is arranged in the horizontal grooves of the two guide plates (24), the upper part of the movable seat (23) is provided with a threaded hole, the support block (28) is positioned on the left side of the movable seat (23) and is fixed on the flat plate (2), the support block (28) is sleeved on the guide rail (28) and is provided with a threaded hole corresponding to the threaded hole (11) above the movable seat, and is connected with the threaded hole (11) through the threaded hole, the cylindrical end set screw (12) passes through the support block (28) and is matched with the annular groove of the adjusting screw (11) to limit the horizontal movement of the adjusting screw (11), the positioning seat (21) is positioned on the right side of the guide rail (29) and is fixed on the flat plate (2), the positioning seat (21) is finely machined with a horizontal long groove perpendicular to the guide rail direction, a threaded positioning plate (34) is fixed in the groove, the threaded positioning plate (34) is front and back, the threaded part of a part to be measured is in micro-clearance fit with the two threaded positioning plates (34), a T-shaped groove is formed above the meter frame seat (26) and is used for installing a dial indicator frame, a horizontal hole is formed in the middle of the meter frame seat (26), the movable ejector rod (16) is arranged in the horizontal hole, the left end of the movable ejector rod (16) is in contact with the meter frame seat (26), the right end of the movable ejector rod (16) is in contact with the part to be measured, the part to be measured moves axially, the part to be measured is pushed to move synchronously, and the meter frame seat (26) is synchronously moved, and the dial indicator and the measured value is accurately measured.
2. The external thread-based runout measuring gauge according to claim 1, wherein the left end of the adjusting screw (11) is further provided with a movable handle (10).
3. The external thread-based runout measuring gauge according to claim 1, further comprising four low legs (1), the four low legs (1) being fixed at four corners of the plate (2).
4. The jumping measurement gauge with external threads as a reference according to claim 1, further comprising a fine adjustment screw (13), wherein the fine adjustment screw (13) is arranged at the left end of the horizontal hole in the middle of the gauge stand (26) and is used for fine adjustment of the distance between the movable ejector rod (16) and the part to be measured.
5. The external thread-based runout measuring gauge according to claim 1, wherein a replaceable pad (19) is further fixed to the right end of the movable ejector rod (16), and the part to be measured is in contact with the replaceable pad (19).
6. The external thread-based runout measuring gauge according to claim 1, further comprising four flat stoppers (18) respectively fixed to left and right sides of the two guide plates (24) for preventing the bezel (26) from slipping out.
7. The external thread-based runout measuring gauge according to claim 4, wherein a bushing is provided at the right end of the movable jack (16), a compression spring (15) is provided around the left end of the movable jack (16) and the left end of the compression spring (15) is in contact with the movable jack (16), the right end of the compression spring (15) is in contact with the bushing (17), and the compression spring (15) makes the movable jack (16) always in contact with the fine adjustment screw (13).
8. The external thread-based runout measuring gauge according to claim 1, wherein the support block (28) is provided with an elastic opening structure, and the adjusting screw (11) is locked and fixed by the socket head cap screw (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111308576.0A CN114111495B (en) | 2021-11-05 | 2021-11-05 | Jumping measurement gauge taking external thread as reference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111308576.0A CN114111495B (en) | 2021-11-05 | 2021-11-05 | Jumping measurement gauge taking external thread as reference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114111495A CN114111495A (en) | 2022-03-01 |
| CN114111495B true CN114111495B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111308576.0A Active CN114111495B (en) | 2021-11-05 | 2021-11-05 | Jumping measurement gauge taking external thread as reference |
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| Country | Link |
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| CN (1) | CN114111495B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203349733U (en) * | 2013-08-01 | 2013-12-18 | 沈阳鼓风机集团安装检修配件有限公司 | Device for detecting position tolerance of machine tap with internal swarf passage |
| CN206311029U (en) * | 2016-12-29 | 2017-07-07 | 人本集团有限公司 | Aligning roller end face run-out detecting tool |
| CN106969691A (en) * | 2017-05-25 | 2017-07-21 | 长江师范学院 | A kind of valve stem glitch detection equipment |
| CN206598200U (en) * | 2017-03-27 | 2017-10-31 | 北京现代汽车有限公司 | A kind of tool detection instrument |
| CN207180578U (en) * | 2017-08-29 | 2018-04-03 | 平湖市宇达精密机械有限公司 | A kind of cubing for measuring inner hole of workpiece circle bounce |
| CN210773834U (en) * | 2019-11-12 | 2020-06-16 | 杭州萧山天辰机械有限公司 | Comprehensive checking fixture for external gear M value and gear ring radial run-out |
| CN111879198A (en) * | 2020-07-29 | 2020-11-03 | 天津大学 | Axle type of adjustable height and axial position is beated and is detected measuring tool |
| CN211926745U (en) * | 2020-09-22 | 2020-11-13 | 中久光电产业有限公司 | Focusing mirror subassembly roughness detection device |
-
2021
- 2021-11-05 CN CN202111308576.0A patent/CN114111495B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203349733U (en) * | 2013-08-01 | 2013-12-18 | 沈阳鼓风机集团安装检修配件有限公司 | Device for detecting position tolerance of machine tap with internal swarf passage |
| CN206311029U (en) * | 2016-12-29 | 2017-07-07 | 人本集团有限公司 | Aligning roller end face run-out detecting tool |
| CN206598200U (en) * | 2017-03-27 | 2017-10-31 | 北京现代汽车有限公司 | A kind of tool detection instrument |
| CN106969691A (en) * | 2017-05-25 | 2017-07-21 | 长江师范学院 | A kind of valve stem glitch detection equipment |
| CN207180578U (en) * | 2017-08-29 | 2018-04-03 | 平湖市宇达精密机械有限公司 | A kind of cubing for measuring inner hole of workpiece circle bounce |
| CN210773834U (en) * | 2019-11-12 | 2020-06-16 | 杭州萧山天辰机械有限公司 | Comprehensive checking fixture for external gear M value and gear ring radial run-out |
| CN111879198A (en) * | 2020-07-29 | 2020-11-03 | 天津大学 | Axle type of adjustable height and axial position is beated and is detected measuring tool |
| CN211926745U (en) * | 2020-09-22 | 2020-11-13 | 中久光电产业有限公司 | Focusing mirror subassembly roughness detection device |
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| Publication number | Publication date |
|---|---|
| CN114111495A (en) | 2022-03-01 |
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