CN114111495A - Jumping measurement gauge with external thread as reference - Google Patents
Jumping measurement gauge with external thread as reference Download PDFInfo
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- CN114111495A CN114111495A CN202111308576.0A CN202111308576A CN114111495A CN 114111495 A CN114111495 A CN 114111495A CN 202111308576 A CN202111308576 A CN 202111308576A CN 114111495 A CN114111495 A CN 114111495A
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- seat
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- ejector rod
- screw
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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
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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
-
- 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
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- 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 with external threads as a reference. The method comprises the following steps: the dial indicator comprises a flat plate (2), a support plate (5), an adjusting screw (11), a cylindrical end fastening screw (12), a movable ejector rod (16), a pin flat bushing (30), a positioning seat (21), a moving seat (23), two guide plates (24), an indicator frame seat (26), a support block (28), a guide rail (29) and a thread positioning plate (34), wherein the dial indicator is fixed on the indicator frame seat (26) through a dial indicator frame, a dial indicator head is in contact with a measuring part of a measured part through proper pressure, the thread part of the measured part is positioned by the thread positioning plate (34) of the gauge, the measured part is rotated, and can move along the axial direction and push the indicator frame seat (26) to move synchronously. The dial indicator and the measured part move synchronously and the jitter value is measured accurately.
Description
Technical Field
The invention belongs to the technical field of process equipment measurement, and particularly relates to a runout measurement gauge with external threads as a reference.
Background
In an aircraft oil pump product, a part design drawing always has the requirement of radial runout of an external thread on a smooth cylindrical surface or an end face, and because the thread moves axially in the rotation process, if a measurement dial indicator does not move synchronously with a measured part, an overlarge measurement error is generated in a measurement result. In order to solve the problem, a method can buy special measuring equipment, but the investment is large and the economical efficiency is poor. The other method is to convert the reference and take the cylindrical surface of the external diameter of the thread as the reference for approximate measurement, and the method has poor reliability. And moreover, the measurement is not carried out, form and position tolerances are guaranteed by one-time clamping, and the processing method cannot be accepted by customers. The measuring device is designed for this purpose.
Disclosure of Invention
The purpose of the invention is: the utility model provides a beat measurement that uses external screw thread as benchmark examines utensil to solve the technical problem that the external screw thread is the benchmark on the machine part and measures the beat of other smooth cylinder surfaces or terminal surfaces.
The technical scheme of the invention is as follows:
a runout measuring gauge with external threads as reference comprises: 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 thread positioning plate 34, wherein the guide rail 29 is fixed on the flat plate 2, an arc-shaped groove is arranged below the moving seat 23, the pin flat bushing 30 is embedded into the arc-shaped groove below the moving seat 23, the pin flat bushing 30 is sleeved on the guide rail 29 to drive the moving 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 moving 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, a thread hole is arranged above the moving seat 23, the support block 28 is positioned on the left side of the moving seat 23 and fixed on the flat plate 2, a through hole horizontally corresponding to the thread hole above the moving seat 23 is arranged on the support block 28, the adjusting screw 11 passes through the through hole to be connected with the thread hole above the moving seat 23, the adjusting screw 11 is provided with an annular groove, the cylindrical end set screw 12 passes through the support block 28 to be 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 at the right side of the guide rail 29 and is fixed on the flat plate 2, a horizontal long groove vertical to the direction of the guide rail is finely machined on the positioning seat 21, a thread positioning plate 34 is fixed in the groove, the thread positioning plate 34 is divided into a front part and a rear part, the thread part of a part to be measured is in micro clearance fit with the two thread positioning plates 34, a T-shaped groove is arranged above the meter frame seat 26 and is used for installing a dial indicator frame, a horizontal hole is arranged in the middle of the meter frame seat 26, a 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, the part to be measured can move along the axial direction during measurement, and the dial indicator frame seat 26 is pushed to move synchronously, so that the dial indicator and the measured part move synchronously and the jitter value is measured accurately.
Further, a movable handle 10 is arranged at the left end of the adjusting screw 11.
Further, the multifunctional desk also comprises four low legs 1, and the four low legs 1 are fixed at four corners of the flat plate 2.
Further, the device also comprises a fine adjustment screw 13, wherein the fine adjustment screw 13 is arranged at the left end of a horizontal hole in the middle of the meter frame base 26 and is used for fine adjustment of the distance between the movable ejector rod 16 and a part to be measured.
Furthermore, the right end of the movable ejector rod 16 is also fixed with a replaceable pad 19, and the part to be measured is in contact with the replaceable pad 19.
Further, four flat blocking pieces 18 are further included and are respectively fixed on the left and right sides of the two guide plates 24 for preventing the watch holder base 26 from slipping out.
Further, a bush is arranged at the right end of the movable ejector rod 16, the compression spring 15 is sleeved at 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 bush 17, and the compression spring 15 enables the movable ejector rod 16 to be always in contact with the fine adjustment screw 13.
Furthermore, the support block 28 is provided with an elastic opening structure, and the adjusting screw 11 is locked and fixed by a socket head cap screw 27.
The invention has the technical effects that: by applying the runout measuring gauge with the external thread as the reference, the problem of measuring the radial runout with the external thread as the reference on the smooth cylindrical surface or the end surface of the part is well solved, and the runout measuring gauge is economical and practical.
Drawings
FIG. 1 is a front view of a runout measuring tool referenced to an external thread;
FIG. 2 is a top view of a runout measuring tool with external threads as a reference;
FIG. 3 is a left side view of a runout measuring tool with external threads as a reference;
FIG. 4 is a right side view of a runout measuring tool with external threads as a reference;
FIG. 5 is an isometric view of a runout measuring tool referenced to an external thread;
FIG. 6 is an isometric view, corresponding to a front view, of a runout measuring tool referenced to an external thread;
fig. 7 is an isometric view of a runout measuring tool with external threads as a reference, corresponding to the left side view.
The adjustable support comprises a support block 29, a guide rail 30, a flat pin 31, a cylindrical pin 32, an inner hexagonal screw 33, a cylindrical pin 5, a support plate 6, an inner hexagonal screw 7, a knurled nut with a hole 8, 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 screwed-in type screw sleeve 15, a compression spring 16, a movable ejector rod 17, a bushing 18, a flat blocking piece 19, an interchangeable pad 20, a cross-shaped sunk screw 21, a positioning seat 22, a cylindrical pin 23, a movable seat 24, a guide plate 25, a cylindrical head screw 26, a stand seat 27, an inner hexagonal screw 28, a support block 29, a guide rail 30, a pin flat bushing 31, a cylindrical pin 32, an inner hexagonal screw 33, a diamond-shaped positioning pin 34, a threaded positioning plate 35, a high-head screw 36, a cover plate 37, a bend 38, a small compression spring 39 and a thin nut.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
referring to fig. 1-7, the jumping measurement gauge with external threads as a reference comprises a flat plate, a low support leg, a guide rail, a thread positioning plate and a movable base. The dial indicator is fixed on the indicator frame base 26 through the dial indicator frame, the dial indicator head is contacted with the measuring part of the measured part by proper pressure, the thread part of the measured part is positioned by the thread positioning plate 34 of the checking tool, the measured part is rotated, the measured part can move along the axial direction, and the indicator frame base 26 is pushed to move synchronously. Therefore, the dial indicator and the measured part move synchronously and the jitter value is measured accurately.
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 M6 multiplied by 16 hexagon socket head cap screws 32 and the cylindrical pins 31.
The positioning socket 21 is fixed on the flat plate 2 by an M10 × 25 socket head cap screw 3 and a cylindrical pin 4. The support 28 is fixed to the plate 2 by means of M8 x 20 socket head cap screws 6.
An elongated slot is finely machined on the positioning seat 21, and a threaded positioning plate 34 is fixed in the slot. The threaded portion of the threaded alignment plate 34 should be precisely machined to ensure good conformity with the threaded profile of the part being tested. The thread positioning plate 34 is made of alloy carburizing steel, and the heat treatment hardness is more than HRC 60. And after the processing is finished, the cutting tool is cut into two parts by a linear cutting process, wherein one part is a fixed replaceable thread positioning plate, and the other part is a movable replaceable thread positioning plate. The fixed replaceable threaded positioning plate is positioned on the positioning seat 21 by using the socket head cap screws 32 and the diamond positioning pins. The movable replaceable thread positioning plate is driven by a spherical end screw 9 and a knurled nut with holes 7, and the movable replaceable thread positioning plate realizes the opening and closing function by rotating the knurled nut with holes 7 and the spherical end screw 9, so that the positioning clearance between the movable replaceable thread positioning plate and the thread of the part to be measured is eliminated. And the measurement error caused by the drift of the thread axis of the measured part is avoided.
The guide plate 24 is fixed on the movable seat 23 through an M8X 20 socket head cap screw 6 and a cylindrical pin 22, and two sides of the guide plate are respectively provided with one, so that a rectangular guide groove is formed. The meter frame seat 26 is installed 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. And a screw-in type threaded bushing 14, a movable ejector rod 16, a pressed pin flat bushing 17, a compression spring 15 and a fine adjustment screw 13 are also arranged in the inner part of the device. In order to adapt the contact diameter of the movable ejector rod 16 with different parts to be measured, a replaceable pad 19 is fixed on the end face of the movable ejector rod by 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 in contact with the fine adjustment screw 13, and the situation that the movable ejector rod 16 moves and the watch frame base 26 does not move is guaranteed to be avoided. When the lengths of different parts to be measured are not greatly different, the method can be realized by adjusting the fine adjustment screw 13.
The positioning socket 21 is fixed on the flat plate 2 by an M10 × 25 socket head cap screw 3 and a cylindrical pin 4. The support 28 is fixed to the plate 2 by means of M8 x 20 socket head cap screws 6. An elongated slot is finely machined on the positioning seat 21, and a threaded positioning plate 34 is fixed in the slot. The threaded portion of the threaded alignment plate 34 should be precisely machined to ensure good conformity with the threaded profile of the part being tested. The thread positioning plate 34 is made of alloy carburizing steel, and the heat treatment hardness is more than HRC 60. And after the processing is finished, the cutting tool is cut into two parts by a linear cutting process, wherein one part is a fixed replaceable thread positioning plate, and the other part is a movable replaceable thread positioning plate. The fixed replaceable threaded positioning plate is positioned on the positioning seat 21 by using the socket head cap screws 32 and the diamond positioning pins. The movable replaceable thread positioning plate is driven by a spherical end screw 9 and a knurled nut with holes 7, and the movable replaceable thread positioning plate realizes the opening and closing function by rotating the knurled nut with holes 7 and the spherical end screw 9, so that the positioning clearance between the movable replaceable thread positioning plate and the thread of the part to be measured is eliminated. And the measurement error caused by the drift of the thread axis of the measured part is 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 to realize a guiding function when the movable seat 23 moves. The combination of the non-round pin flat bushing hole and the plane of the movable seat 23 contacting with the flat plate 2 realizes that the movable seat 23 can only move stably along the guide rail 29, and other 5 degrees of freedom in space are fully limited.
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 by an M8X 20 socket head cap screw 6 and a cylindrical pin 22, one on each side, to form a rectangular guide groove. The meter frame seat 26 is installed 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. And a screw-in type threaded bushing 14, a movable ejector rod 16, a pressed pin flat bushing 17, a compression spring 15 and a fine adjustment screw 13 are also arranged in the inner part of the device. In order to adapt the contact diameter of the movable ejector rod 16 with different parts to be measured, a replaceable pad 19 is fixed on the end face of the movable ejector rod by 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 in contact with the fine adjustment screw 13, and the situation that the movable ejector rod 16 moves and the watch frame base 26 does not move is guaranteed to be avoided. When the lengths of different parts to be measured are not greatly different, the method can be realized by adjusting the fine adjustment screw 13.
The supporting block 28 is an elastic opening structure, the adjusting screw 11 is locked and fixed by an M6 × 12 socket head cap screw 27, the cylindrical end fastening screw 12 is clamped into the annular groove of the adjusting screw 11, so that the cylindrical end fastening screw 12 can only rotate but cannot move, the moving seat 23 is driven to move along the guide rail 29 by the thread effect, and the adjustment of the working position of the moving seat 23 is realized to adapt to the requirements of different parts to be measured. When the working position of the movable seat 23 is adjusted, the socket head cap screw 27 is screwed down to lock the adjusting screw 11, so that the rotation is prevented in the measuring process.
The working principle is as follows:
when measuring the parts, the screw thread positioning plate 34 corresponding to the screw thread of the measured parts is firstly replaced and installed in place. The dial indicator stand is fixed on the stand seat 26, and the dial indicator is fixed on the dial indicator stand. According to the diameter and length of the measured part, the proper replaceable pad 19 is replaced, and the movable seat 23 is adjusted to the proper position. The thin nut 39 and the socket head cap screw 27 on the support 28 are tightened. The measured part is screwed into the thread positioning plate 34, and the position of the movable replaceable thread positioning plate is adjusted to form gapless or micro-clearance fit with the thread of the measured part. The dial indicator head is pressed on the cylindrical surface or the end surface of the part to be measured, the fine adjustment screw 13 is adjusted, the replaceable pad 19 is tightly attached to the end surface of the part to be measured, the part to be measured is slightly rotated for a circle, and the variable quantity of the pointer of the dial indicator is read, namely the jumping quantity of the cylindrical surface or the end surface of the part to be measured to the thread reference.
The guide rail 29, the adjusting screw 11 and the moving seat 23 in fig. 1 or fig. 5 are arranged, so that the neutral distance between the watch frame seat 26 and the threaded positioning plate 34 can be adjusted to meet the requirement of large length change of different parts to be measured.
The fine adjustment screw 13, the threaded bushing 14, the movable push rod 16 and the compression spring 15 in fig. 1 or fig. 6 are arranged for adjusting the neutral distance between the watch frame base 26 and the threaded positioning plate 34 so as to meet the requirement of small change of the length of different parts to be measured.
The small compression spring 38 in fig. 2 provides a small damping pressure to the right to the watch frame base 26, so that the watch frame base 26 is ensured to move to the left after being subjected to a certain thrust, and the situation that the watch frame base 26 moves to the left due to micro interference to cause inaccurate measurement does not occur.
The thread positioning plate 34 in fig. 4 or fig. 7 is an important positioning element of the checking fixture and is composed of two parts, namely a fixed replaceable thread positioning plate and a movable replaceable thread positioning plate. The design purpose is to eliminate the fit clearance between the thread positioning plate 34 and the measured part thread and avoid the measurement error caused by the drift of the measured part thread axis.
Claims (8)
1. The utility model provides a jump of using external screw thread as benchmark is measured and is examined utensil which characterized in that includes: the device comprises a flat plate (2), a support plate (5), an adjusting screw (11), a cylindrical end fastening 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 thread positioning plate (34), wherein the guide rail (29) is fixed on the flat plate (2), an arc-shaped groove is arranged below the moving seat (23), the pin flat bushing (30) is embedded into the arc-shaped groove below the moving seat (23), the pin flat bushing (30) is sleeved on the guide rail (29) to drive the moving 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 moving 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), a threaded hole is arranged above the moving 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 a threaded hole above the movable seat (23) is formed in the support block (28), an adjusting screw (11) penetrates through the through hole to be connected with the threaded hole above the movable seat (23), an annular groove is formed in the adjusting screw (11), a cylindrical end fastening screw (12) penetrates through the support block (28) to be matched with the annular groove of the adjusting screw (11) to limit horizontal movement of the adjusting screw (11), the positioning seat (21) is positioned on the right side of the guide rail (29) and fixed on the flat plate (2), a horizontal long groove vertical to the guide rail direction is finely machined in the positioning seat (21), a threaded positioning plate (34) is fixed in the groove, the threaded positioning plate (34) is divided into a front part and a rear part, a threaded part of a part to be side is in micro-gap fit with the two threaded positioning plates (34), a T-shaped groove is formed in the upper portion of the meter frame seat (26) and used for installing a meter 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 in contact with the meter frame seat (26), the right end of the movable ejector rod (16) is in contact with a part to be measured, the part to be measured can move axially during measurement, and the meter frame seat (26) is pushed to move synchronously, so that the dial indicator and the part to be measured can move synchronously and the jitter value can be 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 tool according to claim 1, further comprising four lower legs (1), wherein the four lower legs (1) are fixed at four corners of the flat plate (2).
4. The runout measuring gauge with external threads as references according to claim 1, further comprising a fine adjustment screw (13), wherein the fine adjustment screw (13) is arranged at the left end of a horizontal hole in the middle of the gauge stand seat (26) and used for fine adjustment of the distance between the movable ejector rod (16) and a part to be measured.
5. The external thread-based runout measuring gauge according to claim 1, wherein a replaceable pad (19) is further fixed at 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 tool according to claim 1, further comprising four flat stoppers (18) fixed to the left and right sides of the two guide plates (24) respectively, for preventing the rack holder (26) from slipping out.
7. The external thread-based runout measuring tool according to claim 4, wherein a bush is arranged at the right end of the movable ejector rod (16), the compression spring (15) is sleeved at 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 bush (17), and the compression spring (15) enables the movable ejector rod (16) to be always in contact with the fine adjustment screw (13).
8. The tool for measuring the run-out based on the external thread as claimed in claim 1, wherein the supporting block (28) is provided with an elastic opening structure, and the adjusting screw (11) is locked and fixed through an inner hexagonal 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 true CN114111495A (en) | 2022-03-01 |
| CN114111495B CN114111495B (en) | 2023-08-04 |
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114111495B (en) |
Citations (8)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114111495B (en) | 2023-08-04 |
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