CN113932690B - Device and method for detecting axial gap of precise conductive slip ring - Google Patents
Device and method for detecting axial gap of precise conductive slip ring Download PDFInfo
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- CN113932690B CN113932690B CN202111221089.0A CN202111221089A CN113932690B CN 113932690 B CN113932690 B CN 113932690B CN 202111221089 A CN202111221089 A CN 202111221089A CN 113932690 B CN113932690 B CN 113932690B
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- slip ring
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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
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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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
- G01B5/0004—Supports
Abstract
The invention discloses a device and a method for detecting an axial gap of a precise conductive slip ring, and relates to the technical field of precise conductive slip ring detection. The beneficial effects of the invention are as follows: be provided with accurate conductive slip ring body, split nut and support, manual rotation split nut, the nut opening just can put into accurate conductive slip ring body with the support slot opening alignment, can lock with the split nut rotatory an angle again, just so conveniently accomplish the installation work of accurate conductive slip ring body, this installation mechanism, simple structure, convenient to use has shortened the installation time of accurate conductive slip ring body, and can also avoid the product to appear the circumstances of clamping deformation in the installation.
Description
Technical Field
The invention relates to the technical field of detection of precise conductive slip rings, in particular to a device and a method for detecting axial gaps of precise conductive slip rings.
Background
The precise conductive slip ring is a 360-degree rotary electric transmission mechanism widely applied to military and civil products in the fields of sea, land, air and sky, and the transmission of multichannel power and signals between two devices which relatively rotate is realized by mutual contact of a stator (a combined bracket and an electric brush) and a rotor (a slip ring body) which relatively rotate by utilizing friction pairs.
The existing precision conductive slip ring axial gap detection device generally adopts flat tongs to clamp a stator shell, a spring balance is used for respectively dragging two ends of a rotor, a lever dial indicator arranged on a magnetic gauge stand is used for detection, the mode is complex in operation and low in efficiency, detection precision and repeatability, and clamping deformation of a product in the installation process is easy to cause.
Disclosure of Invention
The invention aims to provide a device and a method for detecting the axial clearance of a precise conductive slip ring, which solve the problems that in the prior art, the existing device for detecting the axial clearance of the precise conductive slip ring usually adopts flat tongs to clamp a stator shell, a spring scale is used for respectively dragging two ends of a rotor, a lever dial indicator arranged on a magnetic gauge stand is used for detecting, the operation is complicated, the efficiency is low, the detection precision and the repeatability are poor, and clamping deformation of a product is easy to cause in the installation process.
In order to achieve the above purpose, the present invention provides the following technical solutions: accurate conductive slip ring axial gap detection device includes:
the device comprises a bracket, wherein an opening installation groove is designed at the top of the bracket, a precise conductive slip ring body is arranged in the opening installation groove, an opening nut is connected to the outside of the opening installation groove, a precise conductive slip ring rotor is arranged in the inside of the bracket, a through hole is formed in the left side of the bottom of the precise conductive slip ring rotor, a gauge stand clamping groove is formed in the left side of the bracket, a fixed gauge stand is arranged in the gauge stand clamping groove, a dovetail groove is formed in the overhanging end of the fixed gauge stand, a lever dial gauge is arranged in the inside of the dovetail groove, a locking screw is connected between the lever dial gauge and the fixed gauge stand, a measuring head is arranged on the right side of the lever dial gauge, an inner hexagon screw is connected to the inside of the fixed gauge stand, a pin hole is formed in the right side of the bracket, a lifting pin is arranged in the inside of the pin hole, a spring is arranged on the outer circle of the lifting pin, and the end of the lifting pin is connected with a pin top.
Optionally, the inside of support is provided with Y font lever, and is connected with the center pin between Y font lever and the support, the fixed weight is installed to the upper end of Y font lever, the slot has been seted up to the end of Y font lever, and the internal connection of slot has the peg, movable weight is installed to the bottom of peg, the upper end of Y font lever is provided with the profile of tooth and goes up the thimble, the lower extreme of Y font lever is installed down the thimble, and the lifting locating hole has been seted up on the right side of Y font lever.
Optionally, a fixed structure is formed between the precise conductive slip ring body and the bracket through an open nut, and the open nut is in threaded connection with the bracket.
Optionally, the positioning counter bore at the bottom of the opening installation groove is coaxial with the external thread at the top of the bracket, and the positioning counter bore at the bottom of the opening nut and the opening installation groove are hollow structures.
Optionally, a lifting structure is formed between the fixed gauge stand and the bracket through a gauge stand clamping groove, and the outer wall of the fixed gauge stand is tightly attached to the inner wall of the gauge stand clamping groove.
Optionally, the Y-shaped lever is installed in the support through the center shaft to form a lever structure, and the length of a rear end arm of force of the Y-shaped lever is twice the length of the front end.
Optionally, the lifting pin and the pin top form an elastic locking structure through a spring and a lifting positioning hole of the Y-shaped lever.
Optionally, the toothed upper thimble at the upper end of the Y-shaped lever opening and the lower thimble at the lower end of the opening are coaxial with the precise conductive slip ring.
The method for detecting the axial gap of the precise conductive slip ring comprises the following specific steps:
step one: rotating the split nut to enable the opening direction of the split nut to be consistent with the direction of the notch of the split mounting groove at the top of the bracket;
step two: placing the precise conductive slip ring body into the opening mounting groove, and pushing the precise conductive slip ring body into the opening mounting groove until the precise conductive slip ring body automatically falls into the positioning counter bore;
step three: rotating the split nut clockwise to compress the stator of the precise conductive slip ring body;
step four: loosening the inner hexagon screw, adjusting the height of the fixed gauge seat along the gauge seat clamping groove, enabling the measuring head of the lever dial gauge to be in contact with the lower end of the rotor of the precise conductive slip ring, and locking the inner hexagon screw;
step five: the rotation degree of the lifting pin is outwards pulled to separate the pin top from the lifting positioning hole of the Y-shaped lever for unlocking, and the Y-shaped lever presses the toothed upper thimble on the upper end surface of the precise conductive slip ring rotor under the action force of the fixed weight;
step six: rotating the dial of the lever dial indicator to zero the pointer;
step seven: a movable weight is mounted in a groove at the tail end of the Y-shaped lever, so that a lower thimble is propped up against the lower end face of the precise conductive slip ring rotor;
step eight: reading an indication value of a lever dial indicator, wherein the indication value is the axial gap of the precise conductive slip ring;
step nine: the rotation degree of the lifting pin extends out of the pin top, the movable weight is taken down, the Y-shaped lever rises, and the pin top is automatically inserted into the lifting positioning hole to lock the Y-shaped lever at the middle position of the swinging stroke;
step ten: and unscrewing the split nut in the anticlockwise direction, enabling the opening direction of the split nut to be consistent with the direction of the notch of the split mounting groove, and taking out the precise conductive slip ring body.
The invention provides a device and a method for detecting an axial gap of a precise conductive slip ring, which have the following beneficial effects:
1. the device and the method for detecting the axial gap of the precise conductive slip ring are provided with the precise conductive slip ring body, the split nut and the support, the split nut is manually rotated to align the split nut opening with the slot opening of the support, the precise conductive slip ring body can be placed in the split nut, and then the split nut is rotated for an angle to be locked, so that the mounting work of the precise conductive slip ring body can be conveniently completed.
2. The device and the method for detecting the axial gap of the precise conductive slip ring are provided with the Y-shaped lever, the pin top, the lifting pin, the spring, the lifting positioning hole, the thimble, the fixed weight and the movable weight, and can drive the Y-shaped lever to swing through operating the lifting pin and the movable weight, so that the detection work of the precise conductive slip ring body is conveniently completed, the Y-shaped lever can be fixed in the middle of the swing stroke of the Y-shaped lever through the lifting pin and the pin top, the interference with the thimble of the Y-shaped lever in the installation and the removal processes of the precise conductive slip ring is avoided, and the device and the method have higher practicability.
3. The device and the method for detecting the axial gap of the precise conductive slip ring are provided with the support, the fixed gauge stand, the locking screw and the lever dial indicator, the mounting work of the lever dial indicator can be completed through the locking screw, the stable relative position relation between the lever dial indicator and the precise conductive slip ring body can be ensured by fixing the lever dial indicator on the support, the detection precision and the stability of the precise conductive slip ring body are improved, and the detection efficiency is further improved.
Drawings
FIG. 1 is a schematic diagram of the front structure of a detection device according to the present invention;
FIG. 2 is a schematic diagram of the back structure of the detecting device of the present invention;
FIG. 3 is a front cross-sectional view of the detection device of the present invention;
FIG. 4 is a side cross-sectional view of the detection device of the present invention;
FIG. 5 is an exploded view of the structure of the detection device of the present invention.
In the figure: 1. a bracket; 2. an opening mounting groove; 3. a locking screw; 4. lever dial gauge; 5. a split nut; 6. fixing weights; 7. y-shaped lever; 8. a hanging rod; 9. a movable weight; 10. a groove; 11. an inner hexagon screw; 12. a dovetail groove; 13. fixing the gauge stand; 14. a gauge stand clamping groove; 15. a through hole; 16. measuring head; 17. a precision conductive slip ring rotor; 18. a precision conductive slip ring body; 19. lifting positioning holes; 20. a pin hole; 21. a lifting pin; 22. a spring; 23. a pin top; 24. a lower thimble; 25. a tooth-shaped upper ejector pin; 26. a central axis.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used 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 noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, the present invention provides a technical solution: the axial gap detection device of the precise conductive slip ring comprises a bracket 1, wherein an opening installation groove 2 is designed at the top of the bracket 1, a precise conductive slip ring body 18 is arranged in the opening installation groove 2, a fixed structure is formed between the precise conductive slip ring body 18 and the bracket 1 through an opening nut 5, the opening nut 5 is in threaded connection with the bracket 1, the opening direction of the opening nut 5 is manually rotated to be consistent with the notch direction of the opening installation groove 2 at the top of the bracket 1, the precise conductive slip ring body 18 is placed in the opening installation groove 2 and pushed until the precise conductive slip ring body automatically falls into a positioning counter bore, the opening nut 5 is screwed clockwise to tightly press a stator of the precise conductive slip ring body 18, the positioning counter bore at the bottom of the opening installation groove 2 is coaxial with the external thread at the top of the bracket 1, the positioning counter bore at the bottom of the opening nut 5 and the bottom of the opening installation groove 2 are hollow structures, the installation work of the precise conductive slip ring body 18 is conveniently completed through the positioning counter bore, the outside of the opening installation groove 2 is connected with the opening nut 5, the precise conductive slip ring rotor 17 is installed in the bracket 1, the through hole 15 is formed in the left side of the bottom of the precise conductive slip ring rotor 17, the gauge stand clamping groove 14 is formed in the left side of the bracket 1, the fixed gauge stand 13 and the bracket 1 form a lifting structure through the gauge stand clamping groove 14, the outer wall of the fixed gauge stand 13 is tightly attached to the inner wall of the gauge stand clamping groove 14, the fixed gauge stand 13 is manually operated, the fixed gauge stand 13 is lifted through the gauge stand clamping groove 14, thus the height adjustment work of the fixed gauge stand 13 is conveniently completed, the dovetail groove 12 is formed in the overhanging end of the fixed gauge stand 13, the lever dial gauge 4 is installed in the dovetail groove 12, the locking screw 3 is connected between the lever dial indicator 4 and the fixed gauge seat 13, the measuring head 16 is arranged on the right side of the lever dial indicator 4, the inner connecting socket head cap screw 11 is connected with the right side of the fixed gauge seat 13, the pin hole 20 is formed in the right side of the bracket 1, the lifting pin 21 is arranged in the pin hole 20, the lifting pin 21 and the pin top 23 form an elastic locking structure through the spring 22 and the lifting positioning hole 19 of the Y-shaped lever 7, the lifting pin 21 is manually operated, the lifting pin 21 drives the pin top 23 to move to unlock the Y-shaped lever 7, so that the Y-shaped lever 7 is convenient for detecting the precise conductive slip ring body 18, when the movable weight 9 is taken down, the Y-shaped lever 7 is automatically reset to the middle of a stroke, the pin top 23 is automatically inserted into the lifting positioning hole 19 of the Y-shaped lever 7 under the pushing of the spring 22, thus the detection is conveniently completed, the spring 22 is arranged on the outer circle of the lifting pin 21, and the end of the lifting pin 21 is connected with the pin top 23.
The inside of support 1 is provided with Y shape lever 7, and be connected with center pin 26 between Y shape lever 7 and the support 1, Y shape lever 7 passes through center pin 26 to be installed in the inside of support 1, form lever structure, and the rear end arm of force length of Y shape lever 7 is twice of front end length, Y shape lever 7 carries out the luffing motion through center pin 26, just so make things convenient for Y shape lever 7 to detect work to accurate electrically conductive sliding ring body 18, the profile of tooth of Y shape lever 7 upper end goes up thimble 25, and the lower thimble 24 of open lower extreme is coaxial with accurate electrically conductive sliding ring, fixed weight 6 is installed to the upper end of Y shape lever 7, slot 10 has been seted up to the end of Y shape lever 7, and the internally connected of slot 10 has peg 8, movable weight 9 is installed to the bottom of peg 8, the upper end of Y shape lever 7 is provided with profile of tooth goes up thimble 25, the lower thimble 24 is installed to the lower extreme of Y shape lever 7, and lift locating hole 19 has been seted up on the right side of Y shape lever 7.
The method for detecting the axial gap of the precise conductive slip ring comprises the following specific steps:
rotating the split nut 5 to make the opening direction of the split nut consistent with the opening direction of the opening installation groove 2 at the top of the bracket 1, putting the precise conductive slip ring body 18 into the opening installation groove 2, pushing the precise conductive slip ring body into the positioning counter bore until the precise conductive slip ring body automatically falls into the positioning counter bore, rotating the split nut 5 clockwise to compress the stator of the precise conductive slip ring body 18, unscrewing the socket head cap screw 11, adjusting the height of the fixed gauge stand 13 along the gauge stand clamping groove 14, making the gauge head 16 of the lever dial gauge 4 contact with the lower end of the precise conductive slip ring rotor 17, locking the socket head cap screw 11, pulling the lifting pin 21 outwards for 90 degrees to separate the pin top 23 from the lifting positioning hole 19 of the Y-shaped lever 7, pressing the toothed upper thimble 25 on the upper end surface of the precise conductive slip ring rotor 17 by the Y-shaped lever 7 under the action of the force of the fixed weight 6, the dial of the lever dial indicator 4 is rotated to zero the pointer, a movable weight 9 is mounted in a groove 10 at the tail end of the Y-shaped lever 7, the lower thimble 24 is propped up against the lower end face of the precise conductive slip ring rotor 17, the indication value of the lever dial indicator 4 is read, the indication value is the axial clearance of the precise conductive slip ring, the lifting pin 21 is rotated by 90 degrees to extend out of the pin top 23, the movable weight 9 is taken down, the Y-shaped lever 7 is lifted, the pin top 23 is automatically inserted into the lifting positioning hole 19 to lock the Y-shaped lever 7 at the middle position of the swinging stroke, the split nut 5 is unscrewed anticlockwise, the opening direction of the split nut is consistent with the direction of the notch of the split mounting groove 2, and the precise conductive slip ring body 18 is taken out.
In summary, the device and the method for detecting the axial gap of the precise conductive slip ring comprise the steps of manually rotating the split nut 5 to enable the notch of the split nut 5 to be consistent with the notch direction of the split mounting groove 2 at the top of the bracket 1, then placing the precise conductive slip ring body 18 into the positioning counter bore, rotating the split nut 5 clockwise to compress the stator of the precise conductive slip ring body 18, thus conveniently completing the installation work of the precise conductive slip ring body 18, manually operating the socket head cap screw 11, adjusting the height of the fixed gauge stand 13 along the gauge stand clamping groove 14, enabling the gauge head 16 of the lever gauge 4 to be in contact with the lower end of the precise conductive slip ring rotor 17, locking the socket head cap screw 11, manually operating the lifting pin 21, driving the pin top 23 to move by the lifting pin 21, enabling the spring 22 to compress by the pin top 23, and rotating the lifting pin 21 by 90 degrees to be out of gear, the Y-shaped lever 7 presses the toothed upper thimble 25 on the upper end surface of the precise conductive slip ring rotor 17 under the action force of the fixed weight 6, the lever dial indicator 4 is zeroed, the movable weight 9 is mounted, the Y-shaped lever 7 rises, the lower thimble 24 applies upward load to the lower end surface of the precise conductive slip ring rotor 17 (the lower thimble 24 is propped up on the lower end surface of the precise conductive slip ring rotor 17), at the moment, the bidirectional axial play gap detection value between the stator and the rotor of the precise conductive slip ring body 18 under the rated load can be read from the lever dial indicator 4, the lifting pin 21 is rotated 90 degrees to a locking gear, the movable weight 9 is removed, when the Y-shaped lever 7 is automatically reset to the middle of the stroke, the pin top 23 is automatically inserted into the lifting positioning hole 19 of the Y-shaped lever 7 under the thrust of the spring 22, the Y-shaped lever 7 is locked in the middle of the swinging stroke, the tooth-shaped upper thimble 25 and the tooth-shaped lower thimble 24 are not contacted with the precise conductive slip ring rotor 17, the opening nut 5 is rotated anticlockwise to align the notch of the opening nut with the notch of the opening mounting groove 2 of the bracket 1, and the precise conductive slip ring body 18 is taken out to finish one-time detection.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. Accurate conductive slip ring axial gap detection device, its characterized in that: comprising the following steps:
the support (1), open mounting groove (2) is designed at the top of support (1), and open mounting groove (2) internally mounted has accurate conductive slip ring body (18), the external connection of open mounting groove (2) has split nut (5), the internally mounted of support (1) has accurate conductive slip ring rotor (17), and through-hole (15) have been seted up in the bottom left side of accurate conductive slip ring rotor (17), gauge stand draw-in groove (14) have been seted up in the left side of support (1), and install fixed gauge stand (13) in gauge stand draw-in groove (14), dovetail (12) have been seted up to the overhanging end of fixed gauge stand (13), and internally mounted in dovetail (12) has lever dial indicator (4), be connected with locking screw (3) between lever dial indicator (4) and the fixed gauge stand (13), and lever dial indicator (16) are installed on the right side of lever dial indicator (4), the internal connection of fixed gauge stand (13) has interior hexagonal screw (11), the right side of support (1) has been seted up pinhole (20), and install lift pin (21) on the tip (21) and lift pin (21), the inside of support (1) is provided with Y font lever (7), and is connected with center pin (26) between Y font lever (7) and support (1), fixed weight (6) are installed to the upper end of Y font lever (7), slot (10) have been seted up to the end of Y font lever (7), and the internal connection of slot (10) has peg (8), movable weight (9) are installed to the bottom of peg (8), the upper end of Y font lever (7) is provided with profile of tooth top thimble (25), lower thimble (24) are installed to the lower extreme of Y font lever (7), and lifting locating hole (19) have been seted up on the right side of Y font lever (7).
2. The precision conductive slip ring axial gap detection device of claim 1, wherein: the precise conductive slip ring body (18) and the bracket (1) form a fixed structure through the split nut (5), and the split nut (5) is in threaded connection with the bracket (1).
3. The precision conductive slip ring axial gap detection device of claim 1, wherein: the locating counter bore at the bottom of the opening installation groove (2) is coaxial with the external thread at the top of the bracket (1), and the locating counter bores at the bottoms of the opening nuts (5) and the opening installation groove (2) are hollow structures.
4. The precision conductive slip ring axial gap detection device of claim 1, wherein: the fixed gauge stand (13) and the bracket (1) form a lifting structure through a gauge stand clamping groove (14), and the outer wall of the fixed gauge stand (13) is tightly attached to the inner wall of the gauge stand clamping groove (14).
5. The precision conductive slip ring axial gap detection device of claim 1, wherein: the Y-shaped lever (7) is arranged in the bracket (1) through a central shaft (26) to form a lever structure, and the length of a rear-end force arm of the Y-shaped lever (7) is twice the length of the front end.
6. The precision conductive slip ring axial gap detection device of claim 1, wherein: the lifting pin (21) and the pin top (23) form an elastic locking structure with the lifting positioning hole (19) of the Y-shaped lever (7) through a spring (22).
7. The precision conductive slip ring axial gap detection device of claim 1, wherein: the tooth-shaped upper thimble (25) at the upper end of the opening of the Y-shaped lever (7) and the lower thimble (24) at the lower end of the opening are coaxial with the precise conductive slip ring.
8. The method for detecting the axial gap of the precise conductive slip ring according to any one of claims 1 to 7, wherein: the method comprises the following specific steps:
step one: rotating the opening nut (5) to enable the opening direction of the opening nut to be consistent with the direction of the notch of the opening mounting groove (2) at the top of the bracket (1);
step two: placing the precise conductive slip ring body (18) into the opening mounting groove (2) and pushing the precise conductive slip ring body into the opening mounting groove until the precise conductive slip ring body automatically falls into the positioning counter bore;
step three: rotating the split nut (5) clockwise to compress the stator of the precise conductive slip ring body (18);
step four: loosening the inner hexagon screw (11), adjusting the height of the fixed gauge stand (13) along the gauge stand clamping groove (14), enabling the measuring head (16) of the lever dial gauge (4) to be in contact with the lower end of the precise conductive slip ring rotor (17), and locking the inner hexagon screw (11);
step five: the lifting pin (21) is pulled outwards to rotate for 90 degrees, so that the pin top (23) is separated from the lifting positioning hole (19) of the Y-shaped lever (7), and the Y-shaped lever (7) presses the toothed upper thimble (25) on the upper end surface of the precise conductive slip ring rotor (17) under the action force of the fixed weight (6);
step six: rotating the dial of the lever dial indicator (4) to zero the pointer;
step seven: a movable weight (9) is mounted in a groove (10) at the tail end of the Y-shaped lever (7), so that a lower thimble (24) is propped up against the lower end face of the precise conductive slip ring rotor (17);
step eight: reading an indication value of a lever dial indicator (4), wherein the indication value is the axial gap of the precise conductive slip ring;
step nine: the lifting pin (21) is rotated by 90 degrees to extend out of the pin top (23), the movable weight (9) is taken down, the Y-shaped lever (7) is lifted, and the pin top (23) is automatically inserted into the lifting positioning hole (19) to lock the Y-shaped lever (7) at the middle position of the swinging stroke;
step ten: and unscrewing the split nut (5) in the anticlockwise direction, enabling the opening direction of the split nut to be consistent with the notch direction of the split mounting groove (2), and taking out the precise conductive slip ring body (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221089.0A CN113932690B (en) | 2021-10-20 | 2021-10-20 | Device and method for detecting axial gap of precise conductive slip ring |
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| CN202111221089.0A CN113932690B (en) | 2021-10-20 | 2021-10-20 | Device and method for detecting axial gap of precise conductive slip ring |
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