CN113983963A - Multi-section boring bar concentricity measuring device and adjusting method - Google Patents
Multi-section boring bar concentricity measuring device and adjusting method Download PDFInfo
- Publication number
- CN113983963A CN113983963A CN202111280566.0A CN202111280566A CN113983963A CN 113983963 A CN113983963 A CN 113983963A CN 202111280566 A CN202111280566 A CN 202111280566A CN 113983963 A CN113983963 A CN 113983963A
- Authority
- CN
- China
- Prior art keywords
- boring bar
- section
- face
- boring
- end surface
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000005389 magnetism Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of boring holes and discloses a device for measuring concentricity of a multi-section boring bar and an adjusting method. The adjusting method comprises the following steps: the tool assembly provided with the receiver is sequentially adsorbed on the first end face or the second end face of the multi-section boring bar through the magnetic suction piece, a cursor point is projected by the emitter, the boring bar is rotated, the receiver records a plurality of coordinate data, the circle center of the first end face or the second end face is calculated through the coordinate data, a reference is set, the distance between the circle centers of the two end faces of each section of the boring bar and the reference is measured, and the boring bar is adjusted according to the distance. The device and the method for measuring the concentricity of the multi-section boring bar are convenient to disassemble and assemble and high in adjustment precision.
Description
Technical Field
The invention relates to the technical field of boring, in particular to a device for measuring concentricity of a multi-section boring bar and an adjusting method.
Background
At present, tail post holes are still adopted in ship types such as container ships in shipyards and the like in a boring mode, but the existing boring bar centering process and boring process have the problems of poor processing precision, serious standard exceeding of roundness, cylindricity and concentricity of front and rear bearing positions, easy damage of bearing press mounting, or finally scrapping of bearings caused by the super-poor concentricity of the front and rear bearings. Under the background of refined shipbuilding, the requirement on the boring precision is high technically, according to the CSQS standard requirement of the China shipbuilding quality standard, after boring, the roundness and cylindricity of a hole with the bore diameter of 700-plus-900 mm are required to be 0.06mm, construction is carried out according to the existing tail pillar boring process, and the precision control difficulty is large.
The existing boring centering process is lagged behind, particularly in the long-axis system boring process, the overlong boring rod inevitably causes the boring rod to sag, so that the coaxiality of the boring hole is seriously out of tolerance, while in the existing sectional boring method, the centering method of the steel wire is used in the centering process, the deflection of the steel wire still can cause the condition that the two sections of boring rods are not coaxial, particularly under the condition that the distance of the bored shaft hole is extremely long, the deflection of the steel wire can not be controlled, so that the concentricity of the boring rod is seriously out of range, and further the concentricity of the final boring hole is not in accordance with the requirement.
Disclosure of Invention
The purpose of the invention is: the device and the method for measuring and adjusting the concentricity of the multi-section boring bar are provided to overcome the defects of the prior art.
In order to achieve the purpose, the invention provides a device for measuring the concentricity of a multi-section boring bar, which comprises a transmitter, a receiver and a tool assembly, wherein the receiver is arranged on the tool assembly, the tool assembly is provided with at least two magnetic suction pieces, the tool assembly is used for being sucked on the end surface of the boring bar through the magnetic suction pieces, and the transmitter is used for projecting a light index point to the receiver.
Preferably, the tool assembly comprises a base, two connecting pieces and four fixing rods, the number of the magnetic suction pieces is four, the magnetic suction pieces are installed on the base through the two connecting pieces, the fixing rods are installed on the base and perpendicular to the end face of the base, and the fixing rods are used for being connected with the installation holes of the receivers.
As a preferred scheme, the longitudinal projection shape of the base is square, the two sides of the base are provided with convex blocks protruding out of the side faces of the base, the two magnetic attraction pieces are arranged on the two sides of the convex blocks, the convex blocks are provided with through holes used for connecting the magnetic attraction pieces, and the connecting piece penetrates through the through holes to be connected with the magnetic attraction pieces.
According to the preferable scheme, the base is provided with four first threaded holes, the fixing rod is provided with a connecting portion, and the connecting portion is in threaded connection with the first threaded holes.
According to the preferable scheme, the connecting piece is a stud bolt, the magnetic suction piece is provided with a second threaded hole, and two ends of the connecting piece are in threaded connection with the second threaded holes of the two magnetic suction pieces.
Preferably, the magnetic part is cylindrical.
In order to achieve the purpose, the invention provides a method for adjusting the concentricity of a multi-section boring bar, which comprises the steps of sequentially adsorbing a tool assembly provided with a receiver on a first end surface or a second end surface of the multi-section boring bar through a magnetic part, projecting a cursor point by a transmitter, rotating the boring bar, recording a plurality of coordinate data by the receiver, calculating the circle center of the first end surface or the second end surface through the plurality of coordinate data, measuring the distance between the circle center of the boring bar and the reference between the second end surface of the first section of the boring bar, the first end surface of the last section of the boring bar and the second end surface of the first section of the boring bar and the first end surface of the last section of the boring bar by taking the circle center connecting line of the first end surface of the first section of the boring bar and the second end surface of the last section of the boring bar as the reference, and adjusting the boring bar according to the distance.
Preferably, the method comprises the following steps:
s1, adsorbing the tool assembly on the first end face of the Nth section of boring bar, placing the emitter at a set position, and ensuring that a cursor point projected by the emitter is on the receiver, wherein N is more than 1;
s2, projecting a cursor point by the emitter, rotating the N-th section of boring rod for multiple times by a preset angle, and recording the T-th coordinate data by the receiver when the N-th section of boring rod rotates for the preset angle once, wherein T is more than 1;
s3, calculating a first circle center coordinate of the first end face of the Nth section of boring bar through the 1 st to the T-th coordinate data;
s4, adsorbing the tool assembly on the second end face of the Nth section of boring bar, and repeating the steps S2 and S3 to obtain a second circle center coordinate of the second end face of the Nth section of boring bar;
s5, taking a connecting line of a first circle center coordinate of the first end surface of the 1 st section of boring bar and a second circle center coordinate of the second end surface of the Nth section of boring bar as a reference, measuring the distance between the first circle center coordinate or the second circle center coordinate of the first end surface or the second end surface of the boring bar between the second end surface of the 1 st section of boring bar, the first end surface of the Nth section of boring bar and the first end surface of the 1 st section of boring bar and the reference, and adjusting the boring bar according to the distance;
and S6, when the first circle center coordinate or the second circle center coordinate of the first end surface or the second end surface of the boring bar is on the reference, the concentricity adjustment is completed.
Preferably, the preset angle is 0-360 degrees.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
1. according to the device for measuring the concentricity of the multi-section boring bar, disclosed by the embodiment of the invention, after the boring bar is installed, the tool assembly provided with the receiver is sequentially adsorbed on the two end surfaces of the boring bar through the magnetic adsorption piece, so that the concentricity of the multi-section boring bar is conveniently measured, the boring bar is adjusted, the structure is simple, the use is convenient, and the device can be quickly installed and disassembled.
2. The method for adjusting the concentricity of the multi-section boring bar obtains the circle centers of the two end surfaces of the multi-section boring bar through the matching of the transmitter, the boring bar and the receiver, measures the distance between the circle centers of the second end surface of the first section of boring bar, the first end surface of the last section of boring bar and the boring bar between the second end surface of the first section of boring bar and the first end surface of the last section of boring bar and the reference by taking the circle center connecting line of the first end surface of the first section of boring bar and the second end surface of the last section of boring bar as the reference, adjusts the boring bar according to the distance, and has high adjustment precision.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a front view of a tooling assembly according to an embodiment of the present invention;
FIG. 4 is a top view of a tooling assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a base according to an embodiment of the present invention.
In the figure:
1. a transmitter; 2. a receiver; 3. a tooling assembly; 31. a magnetic member; 32. a base; 321. a bump; 3211. a through hole; 322. a first threaded hole; 33. a connecting member; 34. fixing the rod; 4. and (5) boring a rod.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with 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.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used herein to indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. The terms "first" and "second" are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be understood that the terms "connected," "fixed," and the like are used in a broad sense, and for example, the terms "connected," "connected," and "fixed" may be fixed, detachable, or integrated; the connection can be mechanical connection or welding connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 2, a multi-segment boring bar concentricity measuring device according to a preferred embodiment of the present invention includes a transmitter 1, a receiver 2, and a tool assembly 3, wherein the receiver 2 is mounted on the tool assembly 3, the tool assembly 3 is provided with at least two magnetic attraction pieces 31, the tool assembly 3 is used for being attracted to an end surface of a boring bar 4 through the magnetic attraction pieces 31, and the transmitter 1 is used for projecting a cursor point to the receiver 2.
According to the multi-section boring bar concentricity measuring device, after the boring bar 4 is installed, the tool assemblies 3 provided with the receivers 2 are sequentially adsorbed on the two end surfaces of the boring bar 4 through the magnetic adsorbing pieces 31, so that the concentricity of the multi-section boring bar 4 is conveniently measured, the boring bar 4 is adjusted, the structure is simple, the use is convenient, and the mounting and the dismounting can be fast carried out.
Further, as shown in fig. 3 and 4, the tooling assembly 3 includes a base 32, two connectors 33 and a fixing rod 34, the number of the magnetic attraction pieces 31 is four, the four magnetic attraction pieces 31 are installed on the base 32 through the two connectors 33, the fixing rod 34 is installed on the base 32 and perpendicular to the end surface of the base 32, and the fixing rod 34 is used for being connected with the installation hole of the receiver 2. Specifically, the base 32 is provided with four first threaded holes 322, the number of the first threaded holes 322 is four, the fixing rod 34 is provided with a connecting portion, the connecting portion is in threaded connection with the first threaded holes 322, when the fixing rod 34 is used, the fixing rod 34 is installed on the base 32, the four fixing rods 34 are connected with the installation holes of the receiver 2, the receiver 2 is fixed on the tool assembly 3, the tool assembly 3 is adsorbed on the end face of the boring rod 4, the receiver 2 can rotate along with the rotation of the boring rod 4, and a plurality of coordinate points are obtained. The securing lever 34 may be removed from the base 32 when not in use for storage. Wherein, the magnetic piece 31 is a strong magnet, which can reliably make the tool assembly 3 be absorbed on the end surface of the boring bar 4.
Further, as shown in fig. 5, the longitudinal projection of the base 32 is square, two sides of the base 32 are provided with protrusions 321 protruding out of the side surface of the base 32, the two magnetic attraction pieces 31 are mounted on two sides of the protrusions 321, the protrusions 321 are provided with through holes 3211 for connecting the magnetic attraction pieces 31, and the connecting member 33 passes through the through holes 3211 to be connected with the magnetic attraction pieces 31. Specifically, connecting piece 33 is stud, and magnetism is inhaled piece 31 shape and is for cylindrical, and magnetism is inhaled piece 31 and has been seted up the second screw hole, and the both ends of connecting piece 33 and two second screw hole threaded connection of inhaling piece 31 are just located the both sides of lug 321, make frock subassembly 3's compact structure. The four magnetic suction pieces 31 and the first threaded holes 322 enable four side surfaces of the tool assembly 3 to be adsorbed on the end surface of the boring bar 4, and the fixing rod 34 is installed in the corresponding first threaded hole 322.
According to the concentricity adjusting method of the multi-section boring bar in the preferred embodiment of the invention, the tool assembly 3 provided with the receiver 2 is sequentially adsorbed on the first end surface or the second end surface of the multi-section boring bar 4 through the magnetic attraction piece 31, the emitter 1 projects a cursor point, the boring bar 4 is rotated, the receiver 2 records a plurality of coordinate data, the circle center of the first end surface or the second end surface is calculated through the plurality of coordinate data, the distance between the circle center of the boring bar 4 between the second end surface of the first section boring bar 4, the first end surface of the last section boring bar 4 and the second end surface of the first section boring bar 4 and the first end surface of the last section boring bar 4 is measured by taking the circle center connecting line of the first end surface of the first section boring bar 4 and the second end surface of the last section boring bar 4 as a reference, and the boring bar 4 is adjusted according to the distance.
Specifically, the method comprises the following steps:
s1, adsorbing the tool assembly 3 on the first end face of the Nth section of boring bar 4, placing the emitter 1 at a set position, and ensuring that a cursor point projected by the emitter 1 is on the receiver 2, wherein N is more than 1;
s2, the emitter 1 projects a cursor point, the nth section of boring rod 4 rotates for a preset angle for multiple times, the receiver 2 records the Tth coordinate data when the nth section of boring rod 4 rotates for the preset angle once, wherein T is larger than 1;
s3, calculating a first circle center coordinate of the first end surface of the Nth section of boring bar 4 through the 1 st to the T-th coordinate data;
s4, adsorbing the tool assembly 3 on the second end face of the Nth section of boring bar 4, and repeating the steps S2 and S3 to obtain a second circle center coordinate of the second end face of the Nth section of boring bar 4;
s5, taking a connecting line of a first circle center coordinate of the first end surface of the 1 st section of boring bar 4 and a second circle center coordinate of the second end surface of the Nth section of boring bar 4 as a reference, measuring the distance between the first circle center coordinate or the second circle center coordinate of the first end surface or the second end surface of the boring bar 4 and the reference between the second end surface of the 1 st section of boring bar 4, the first end surface of the Nth section of boring bar 4 and the first end surface of the Nth section of boring bar 4, and adjusting the boring bar 4 according to the distance;
and S6, when the first circle center coordinate or the second circle center coordinate of the first end surface or the second end surface of the boring bar 4 is on the reference, the concentricity adjustment is completed.
Wherein the preset angle is 0-360 degrees, preferably 0, 90, 180 and 270 degrees.
In summary, the embodiment of the invention provides a device for measuring the concentricity of a multi-section boring bar and an adjusting method, which have the advantages of simple structure, convenience in use, quick installation and disassembly, high adjusting precision, simple adjusting method and easiness in operation.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a multistage boring bar concentricity measuring device which characterized in that: including transmitter, receiver and frock subassembly, the receiver install in on the frock subassembly, the frock subassembly is equipped with two at least magnetism and inhales the piece, the frock subassembly is used for passing through magnetism inhales the piece and adsorbs the terminal surface at the boring bar, the transmitter is used for projecting the light punctuation extremely the receiver.
2. The multi-segment boring bar concentricity measuring device of claim 1, wherein: the tool assembly comprises a base, two connecting pieces and fixing rods, the number of the magnetic suction pieces is four, the magnetic suction pieces are installed on the base through the two connecting pieces, the fixing rods are installed on the base and perpendicular to the end face of the base, and the fixing rods are used for being connected with the installation holes of the receivers.
3. The multi-segment boring bar concentricity measuring device of claim 2, wherein: the vertical projection shape of base is square, the both sides of base are equipped with the lug of protrusion the side of base, two magnetism is inhaled the piece and is installed in the both sides of lug, the lug is seted up and is used for connecting the through-hole of piece is inhaled to magnetism, the connecting piece pass the through-hole with it is connected to inhale the piece.
4. The multi-segment boring bar concentricity measuring device of claim 2, wherein: first screw hole has been seted up to the base, the quantity of first screw hole has four, the dead lever is equipped with connecting portion, connecting portion with first screw hole threaded connection.
5. The multi-segment boring bar concentricity measuring device of claim 2, wherein: the connecting piece is stud, the piece is inhaled to magnetism has seted up the second screw hole, the both ends of connecting piece and two inhale the second screw hole threaded connection of piece.
6. The multi-segment boring bar concentricity measuring device of any one of claims 1 to 5, wherein: the magnetic part is cylindrical.
7. A method for adjusting the concentricity of a multi-section boring bar is characterized by comprising the following steps: the method comprises the steps that a tool assembly provided with a receiver is sequentially adsorbed on a first end face or a second end face of a plurality of sections of boring bars through a magnetic part, a transmitter projects a cursor point, the boring bars are rotated, the receiver records a plurality of coordinate data, the circle center of the first end face or the second end face is calculated through the plurality of coordinate data, the distance between the circle center of the boring bar and the reference between the second end face of the boring bar of the first section, the first end face of the boring bar of the last section and the second end face of the boring bar of the first section and the first end face of the boring bar of the last section is measured by taking the circle center connecting line of the first end face of the boring bar of the first section and the second end face of the boring bar of the last section as the reference, and the boring bar is adjusted according to the distance.
8. The multi-segment boring bar concentricity adjustment method according to claim 7, wherein: the method comprises the following steps:
s1, adsorbing the tool assembly on the first end face of the Nth section of boring bar, placing the emitter at a set position, and ensuring that a cursor point projected by the emitter is on the receiver, wherein N is more than 1;
s2, projecting a cursor point by the emitter, rotating the N-th section of boring rod for multiple times by a preset angle, and recording the T-th coordinate data by the receiver when the N-th section of boring rod rotates for the preset angle once, wherein T is more than 1;
s3, calculating a first circle center coordinate of the first end face of the Nth section of boring bar through the 1 st to the T-th coordinate data;
s4, adsorbing the tool assembly on the second end face of the Nth section of boring bar, and repeating the steps S2 and S3 to obtain a second circle center coordinate of the second end face of the Nth section of boring bar;
s5, taking a connecting line of a first circle center coordinate of the first end surface of the 1 st section of boring bar and a second circle center coordinate of the second end surface of the Nth section of boring bar as a reference, measuring the distance between the first circle center coordinate or the second circle center coordinate of the first end surface or the second end surface of the boring bar between the second end surface of the 1 st section of boring bar, the first end surface of the Nth section of boring bar and the first end surface of the 1 st section of boring bar and the reference, and adjusting the boring bar according to the distance;
and S6, when the first circle center coordinate or the second circle center coordinate of the first end surface or the second end surface of the boring bar is on the reference, the concentricity adjustment is completed.
9. The multi-segment boring bar concentricity adjustment method according to claim 8, wherein: the preset angle is 0-360 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280566.0A CN113983963B (en) | 2021-10-29 | 2021-10-29 | Concentricity measuring device and adjusting method for multi-section boring bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280566.0A CN113983963B (en) | 2021-10-29 | 2021-10-29 | Concentricity measuring device and adjusting method for multi-section boring bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113983963A true CN113983963A (en) | 2022-01-28 |
| CN113983963B CN113983963B (en) | 2023-11-03 |
Family
ID=79745183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111280566.0A Active CN113983963B (en) | 2021-10-29 | 2021-10-29 | Concentricity measuring device and adjusting method for multi-section boring bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113983963B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894126A (en) * | 2022-05-07 | 2022-08-12 | 中国科学院电工研究所 | Coaxial measurement tool for realizing high-precision magnetic field output, superconducting magnet structure and assembling and adjusting method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033149A (en) * | 2012-12-18 | 2013-04-10 | 中冶南方(武汉)威仕工业炉有限公司 | Muffle tube straightness measurement method based on three dimensional (3D) total station |
| CN106643576A (en) * | 2017-01-23 | 2017-05-10 | 中国航发沈阳发动机研究所 | Non-concentricity measurement method and non-concentricity measurement device |
| CN107116398A (en) * | 2017-04-12 | 2017-09-01 | 大连辽南船厂 | Stern tube shaft bore hole dynamic calibration system |
| CN110160462A (en) * | 2019-05-08 | 2019-08-23 | 北京理工大学 | A kind of detection method of large size deep-hole parts Boring Process circularity and straightness |
| CN110207624A (en) * | 2019-07-11 | 2019-09-06 | 江南造船(集团)有限责任公司 | A kind of boring row linearity measurer peculiar to vessel and measurement method |
-
2021
- 2021-10-29 CN CN202111280566.0A patent/CN113983963B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033149A (en) * | 2012-12-18 | 2013-04-10 | 中冶南方(武汉)威仕工业炉有限公司 | Muffle tube straightness measurement method based on three dimensional (3D) total station |
| CN106643576A (en) * | 2017-01-23 | 2017-05-10 | 中国航发沈阳发动机研究所 | Non-concentricity measurement method and non-concentricity measurement device |
| CN107116398A (en) * | 2017-04-12 | 2017-09-01 | 大连辽南船厂 | Stern tube shaft bore hole dynamic calibration system |
| CN110160462A (en) * | 2019-05-08 | 2019-08-23 | 北京理工大学 | A kind of detection method of large size deep-hole parts Boring Process circularity and straightness |
| CN110207624A (en) * | 2019-07-11 | 2019-09-06 | 江南造船(集团)有限责任公司 | A kind of boring row linearity measurer peculiar to vessel and measurement method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894126A (en) * | 2022-05-07 | 2022-08-12 | 中国科学院电工研究所 | Coaxial measurement tool for realizing high-precision magnetic field output, superconducting magnet structure and assembling and adjusting method thereof |
| CN114894126B (en) * | 2022-05-07 | 2023-11-10 | 中国科学院电工研究所 | Coaxial measurement tool for realizing high-precision magnetic field output, superconducting magnet structure and assembling and adjusting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113983963B (en) | 2023-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113983963A (en) | Multi-section boring bar concentricity measuring device and adjusting method | |
| CN205909773U (en) | A axiality detection device for selling axle precision assembly | |
| CN107553459A (en) | A kind of drum surface multistation ring chalker | |
| CN112747696A (en) | Axial lighting system and hull structure reloading shafting center line determination method | |
| CN110243325B (en) | Measuring device for long shaft parts and using method | |
| CN208476122U (en) | A kind of bridge front overhang bracket examines tool fastly | |
| CN216227098U (en) | Boring machine fixing device for boring operation of main engine flywheel and intermediate shaft flange | |
| CN216285925U (en) | Support for prism correction | |
| CN107553363A (en) | A kind of sensor locator for the test of fork truck exhaust silencer insertion loss | |
| CN108592733B (en) | Welding assembly tolerance detection device for flight stabilizing wing | |
| CN211527319U (en) | Automobile A column assembly checking fixture | |
| CN208920984U (en) | A kind of cubing detected for differential assembly precision and tooth runout | |
| CN207373015U (en) | A kind of sensor locator for the test of fork truck exhaust silencer insertion loss | |
| CN219776606U (en) | Alignment tool for coupler | |
| CN205403671U (en) | Instrument is detected in work piece aperture | |
| CN111251227A (en) | Multi-hole coaxial assembling tool and assembling method for superhard beam parts | |
| CN206683522U (en) | A kind of beater or beat-up mount point opening inspection device | |
| CN112504214B (en) | Monitoring device and monitoring method for deformation point of steel member | |
| CN213455355U (en) | Device capable of rotating by 360 degrees and used for monitoring deformation of steel member | |
| CN214842881U (en) | Alignment instrument | |
| CN205619865U (en) | Optics ball cover concentricity detection device | |
| CN219582127U (en) | Centering device applied to helium compressor installation | |
| CN217493031U (en) | Positioning device for spot welding of filter element framework | |
| CN215200030U (en) | Tool for machining V-shaped groove on sphere | |
| CN108393857A (en) | A kind of electromagnetic type bore hole picture circle device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |