CN107144247A - A kind of digital display axle run-out instrument and axle glitch detection method - Google Patents
A kind of digital display axle run-out instrument and axle glitch detection method Download PDFInfo
- Publication number
- CN107144247A CN107144247A CN201710500096.1A CN201710500096A CN107144247A CN 107144247 A CN107144247 A CN 107144247A CN 201710500096 A CN201710500096 A CN 201710500096A CN 107144247 A CN107144247 A CN 107144247A
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- China
- Prior art keywords
- axletree
- axle
- block
- digital display
- out instrument
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Classifications
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The present invention is a kind of digital display axle run-out instrument, includes support, measurement assembly axially arranged at the support extension and the counting component for being arranged on the measurement assembly end of a spill；The measurement assembly includes telescopic cylinder, abuts component and is fixed on the outer extended spot measurement sensor for abutting component displacement of the support；The counting component includes the roller being connected on the abutting component, and the encoder being driven with the roller by connecting shaft.The digital display axle run-out instrument accuracy of detection of the present invention is high, and it is easy that function is realized, simple to operate, does not limit operating environment and light intensity, the scope of application is wide.In addition, the present invention can improve detection efficiency, manually-operated process enormously simplify.
Description
Technical field
The present invention relates to survey tool, and in particular to axle pulsation measurement instrument.
Background technology
After the processing or heat treatment of axle, it is required for carrying out alignment to it, measures its jitter values.In central siphon alignment,
Usual central siphon bounce is measured using scribing block, is characterized in simple, cheap, the reliable human eye of shortcoming estimates bounce by rule of thumb
The size of value, with measured point into 45 degree during because of human eye observation, it is difficult to the accurately size of estimation jitter values, and by the shadow of ambient light
Ring, the difficulty of night-time observation is bigger, cause a large amount of not straight central siphons to flow into next procedure, very big damage is brought to enterprise operation
Lose.Measured later using dial gauge, swing big there is also indicator during measurement, observation is arduous, and jitter values also will be estimated and calculate, increase
The workload of operative employee.
The content of the invention
In order to overcome the above-mentioned deficiency of prior art, jumped it is an object of the invention to provide a kind of digital display axle run-out instrument and axle
Dynamic detection method, the digital display axle run-out instrument can intuitively show real-time jitter values, and the jump of programming count each measurement point
Dynamic value.
The present invention realizes that the technical scheme of above-mentioned purpose is：
A kind of digital display axle run-out instrument, including support, the measurement assembly that is vertically arranged on the support and it is arranged on the survey
Measure the counting component of component end；The support includes horizontally disposed upper board and bottom plate, connection upper board and bottom plate it is perpendicular
The connecting plate directly set, the support for the spill that upper board, bottom plate and connecting plate composition are vertically arranged, the measurement assembly includes stretching
Contracting cylinder, abut component and being fixed on measures abutting component displacement sensor on the upper board of the support；It is described
Counting component includes the roller being connected on the abutting component, and with the roller by being connected shaft-driven encoder.
The sensor is range sensor or displacement transducer.
The end for abutting component abuts block for one, and the bearing surface of the abutting block is plane, is formed on the bearing surface
There is the rotation space that the roller is contacted with axletree.
The component that abuts includes two fixed blocks being vertically arranged and the abutting block for being connected to two fixed block bottoms；It is described
Roller is movably connected between two fixed blocks by connecting shaft, and the connecting shaft extends one of fixed block and company
Connect the encoder；The rotation space abuts the groove opened up on block to be described.
Movable block is socketed with the fixed block, the connecting shaft is rotated with two movable blocks and is connected, the fixation
The top of block longitudinally offers the movable chamber of ammunition feed spring activity, and one end of the spring is connected on the movable block, the other end
It is connected to the telescopic cylinder bottom, the movable block leaves free gap between block with described abut.
The movable chamber is arranged far from the fixed block of the encoder.
The encoder and the equal signal connection display of the sensor；The encoder, the sensor and described stretch
The equal signal connection control system of contracting cylinder.
A kind of axle glitch detection method, using digital display axle run-out instrument described above, comprises the following steps：
A, the two ends of axletree are placed on the support frame of both sides, the height of adjustment support frame causes the axis horizontal of axletree
Place；
B, find axletree circle to be measured vertical peak, adjust the position of this digital display axle run-out instrument so that abut block erect
Directly it is placed on the surface of the peak；
C, startup control system, telescopic cylinder, which is promoted, abuts block downwards until abutting to after axletree, starts detection, display
The axle jitter values of display now, are completed after detection, and telescopic cylinder resets, retraction original place；
D, support frame automatic traction axletree rotate or rotate axletree certain angle manually, and drive roller to rotate, and encode
Device records this rotational angle；Telescopic cylinder promotes abutting block to be connected on axletree again, and display shows axle jitter values now；
The detection of e, repeat step d until completing a whole circle axle jitter values.
A kind of another program, axle glitch detection method, using described digital display axle run-out instrument, comprises the following steps：
A, the two ends of axletree are placed on the support frame of both sides, the height of adjustment support frame causes the axis horizontal of axletree
Place；
B, the top that this digital display axle run-out instrument is placed on to axletree；
C, startup control system, telescopic cylinder, which is promoted, abuts block downwards until abutting to axletree, starts detection, display is aobvious
Show axle jitter values now；
D, support frame automatic traction axletree rotate or rotate axletree certain angle manually, and spring compression roller supports roller
It is connected on axletree and is rotated with rotating shaft, encoder records this rotational angle, display shows axle jitter values now；
The detection of e, repeat step d until completing a whole circle axle jitter values.
Preferably, the angle for axletree being rotated every time is at least 360 °.
The present invention has following beneficial effect compared with prior art：
The present invention realizes accurate measurement by sensor, and by the display in real time of the result of measurement over the display, rolling
Wheel can followed by axletree and rotate together, and be recorded on encoder, operating personnel only need to by the data of encoder statistics with
The axle jitter values correspondence detected, just can find the larger point of axle jitter values deviation, it is possible to which the point is reprocessed.This
The accuracy of detection for planting run-out instrument is high, and it is easy that function is realized, simple to operate, does not limit operating environment and light intensity, the scope of application
It is wide.In addition, the present invention can improve detection efficiency, manually-operated process enormously simplify.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the invention；
Fig. 2 is use state schematic side view of the present invention；
Fig. 3 is right view of the invention；
Fig. 4 abuts component and the overall dimensional structure diagram of counting component for the present invention's；
Fig. 5 abuts component and the overall right view of counting component for the present invention's；
Fig. 6 abuts component and the overall top view of counting component for the present invention's；
Fig. 7 abuts component and the overall A-A faces sectional view of counting component for the present invention's；
Fig. 8 is detection use state dimensional structure diagram of the invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Circle bounce refer to element to be measured around datum axis revolve one-turn when, the indicator fixed by position is in given directions
The maximum and the difference of least count measured.Total run-out refers to tested actual surface around revolution of the datum axis without axial movement, together
When indicator make movement parallel or perpendicular to datum axis, the full-scale reading that indicator is measured in whole process is poor.This hair
Bright described axle bounce, is because after the heat treatment and processing of axletree, axletree can produce deformation in itself, it is necessary to which it is entered
Row measurement, one of those important detection is exactly axle jitter values.
Embodiment 1：
Reference picture 1, a kind of digital display axle run-out instrument, including support 1, the measurement assembly 2 that is vertically arranged on the support 1 and
It is arranged on the counting component 3 of the end of measurement assembly 2；The support 1 includes horizontally disposed upper board and bottom plate, connects top
The connecting plate being vertically arranged of plate and bottom plate, the support 1 for the spill that upper board, bottom plate and connecting plate composition are vertically arranged is described
Measurement assembly 2 includes telescopic cylinder 21, abutting component 22 and is fixed on the upper board of the support 1 to measure the abutting group
The sensor 23 of the displacement of part 22；The counting component 3 include be connected to it is described abutting component 22 on roller 31, and with the rolling
The encoder 33 that wheel 31 is driven by connecting shaft 32.Such as Fig. 1, abutting component 22 of the invention is connected on telescopic cylinder 21, stretched
Contracting cylinder 21 drives abutting component 22 longitudinally to move up and down, and telescopic cylinder 21 is connected with control system, in the control of control system
Make under using, telescopic cylinder 21, which can be realized, automatically to be risen or drop.Another occupation mode of the present invention, the state in Fig. 1 is inverse
Hour hands are rotated by 90 °, and support 1 is crouched and put, i.e., connecting plate is contacted with ground, and the movement track of such telescopic cylinder 21 is exactly level
Move left and right.The measurement assembly 2 of the present invention is mainly used in measuring the axle jitter values of axletree 5, and it is real that counting component 3 is mainly used in record
When measurement angle, the jitter values of axle, the height value of each measurement point and its corresponding angle, and find out maximum and minimum value
And corresponding angle.Measurement angle in real time is recorded by encoder 33, real-time axle jitter values are measured by sensor 23.
As shown in figure 8, the detection use state of the present invention, the two ends of axletree 5 to be detected are placed on support frame 4, this
Two middle parts of support frame 4 are the groove of a taper, and state, axletree 5 can be rotated manually as shown in the figure；Or support frame 4 is set
Into the structure with rotating mechanism, rotating mechanism is rotated, and axle shaft 5 is rotated.The digital display axle run-out instrument of the present invention is placed on
At the disc to be detected of axletree 5, the top that component 22 is placed in axletree 5 will be abutted, and abutting component 22 is placed in axletree 5 as far as possible
The surface of the peak of disc to be detected.
The sensor 23 is range sensor or displacement transducer.Displacement transducer is used in the accompanying drawings, is such as schemed
2, the end of displacement transducer is connected on abutting component 22, be followed by the movement for abutting component 22 and is moved, and displacement sensing
The shell of device is fixed on support 1, and shell is not moved with the movement of measurement assembly 2.
Such as Fig. 4, the end of the abutting component 22 abuts block 222 for one, and the bearing surface of the abutting block 222 is plane,
The rotation space that the roller 31 is contacted with axletree 5 is formed with the bearing surface.In figure 6 and figure 7 as can be seen that abutting block
A rotation space is formed with 222, positioned at the bottom of roller 31, this space is easy to roller 31 to pass through, roller 31 passes through this
Rotation space, and axletree 5 is touched, as shown in Figure 8.
Such as Fig. 4, the abutting component 22 includes two fixed blocks 221 being vertically arranged and is connected to two fixed block bottoms
Abut block 222；The roller 31 is movably connected between two fixed blocks 221 by connecting shaft, the connecting shaft extension
Go out one of fixed block 221 and connect the encoder 33；The rotation space is recessed for what is opened up on the abutting block 222
Groove.
Preferably, such as Fig. 5 and Fig. 7, be socketed with movable block 223 in the fixed block 221, the connecting shaft with described in two
Movable block 223 rotates connection, and the top of the fixed block 221 longitudinally offers the movable chamber of the activity of ammunition feed spring 224, the spring
224 one end is connected on the movable block 223, and the other end is connected to the bottom of telescopic cylinder 21, the movable block 223 with
Free gap 225 is left between the abutting block.This preferred scheme can be used for measurement and deviate axletree 5 most when roller 31 is in
The situation of high point.If not using this preferred scheme, such as Fig. 2 reference use state, it is illustrated that in state be that roller 31 is firm
The peak position in the disc to be measured of axletree 5 is adjusted to well, and now, roller 31 is in close contact with axletree 5, the rotation of axletree 5
Roller 31 is driven together to rotate by frictional force.Above preferred scheme is not used, is only suitable for the above-mentioned this centering of measurement very accurate
True situation, when the peak of the disc to be measured of axletree 5 is turned left or turned right skew, roller 31 cannot touch axletree 5, this
Situation bottom roller 31 would not be rotated, and the encoder 33 being connected with roller 31 just loses effect.Using above-mentioned preferred scheme,
Such as Fig. 7, spring 224 is set in the fixed block 221 away from the side of encoder 33, and due to the own wt of encoder 33,
Therefore, roller 31 weight of itself is added, three downward active forces is just had and is carried on roller 31, roller 31 will be at this
In the presence of three active forces, minimum travel point is moved to.This minimum travel point and the height of free gap 225 have direct
System, free gap 225 is bigger, and the stroke range of roller 31 is bigger.To sum up, when roller 31 is placed on the disc to be measured of axletree 5
During peak, its state as shown in Figure 2 and Figure 7, when the disc peak to be measured that axletree 5 is offset by low spot of roller 31,
The gravity that the downward elastic force and encoder 33 that spring 224 is provided are provided causes roller 31 to move downward, until roller 31 is abutted
To axletree 5.The purpose of this preferred scheme is the conflict position regardless of axletree 5 and roller 31, and roller 31 can be in axletree 5
It is rotated by.In addition, roller 31 is the cylindrical structural of standard.
Preferably, such as Fig. 7, the movable chamber is arranged far from the fixed block 221 of the encoder 33.In diagram
In, encoder 33 is located at left side, and movable chamber is located at right side, and spring 224 is also just arranged at right side, and so, left side is by encoder 33
Gravity is provided, the right spring 224 in right side provides downward elastic force, and the left and right sides of roller 31 can be by power, and such stress is relatively put down
Weighing apparatus.
The equal signal of the encoder 33 and the sensor 23 connects display；The encoder 33, the sensor 23
And the telescopic cylinder 21 equal signal connection control system.Axletree 5 often turns an angle, and it is corresponding that roller 31 just followed by rotation
Angle, the angle that both rotate can be different, but arc length that both rotate are identical；When roller 31 is rotated, encoder 33 every
Regular hour will produce a pulse signal and be transmitted to control system；Sensor 23 is used for the axle for detecting axletree 5
Jitter values, this value is also transmitted to control system, and these values are shown on display, are easy to operating personnel's real-time
Understand.
A kind of axle glitch detection method, using digital display axle run-out instrument described above, comprises the following steps：
A, the two ends of axletree 5 are placed on the support frame 4 of both sides, the height of adjustment support frame 4 causes the axis of axletree 5
Horizontal positioned；
B, find axletree 5 circle to be measured vertical peak, adjust the position of this digital display axle run-out instrument so that abut block
222 are placed on the surface of the peak vertically；
C, startup control system, telescopic cylinder 21, which is promoted, abuts block 222 downwards until abutting to after axletree 5, starts detection,
Display shows axle jitter values now, completes after detection, telescopic cylinder 21 resets, retraction original place；
D, the automatic traction axletree 5 of support frame 4 rotate or rotate the certain angle of axletree 5 manually, and drive roller 31 to rotate,
Encoder 33 records this rotational angle；Telescopic cylinder 21 promotes abutting block 222 to be connected on axletree 5 again, and display display is real
When axle jitter values；Described certain angle refers in this step, and the angle of single revolution is more than 360 °, Ke Yishi
Any angle between 360 ° or 360 ° to 720 °；
The detection of e, repeat step d until completing a whole circle axle jitter values.
Preferably, the angle that axletree 5 is rotated every time is 360 °, and encoder 33 rotates 1.8 ° of generations, one arteries and veins whenever axletree 5
Rush signal and be transferred in control system, therefore, axletree 5 rotates the data for having 200 points in one week and is recorded.
Embodiment 2：
The axle glitch detection method of embodiment 1 is different from, its difference is, a kind of axle glitch detection method, using above-mentioned
Described digital display axle run-out instrument, comprises the following steps：
A, the two ends of axletree 5 are placed on the support frame 4 of both sides, the height of adjustment support frame 4 causes the axis of axletree 5
Horizontal positioned；
B, the top that this digital display axle run-out instrument is placed on to axletree 5；
C, startup control system, telescopic cylinder 21, which is promoted, abuts block 222 downwards until abutting to axletree 5, starts detection, aobvious
Show that device shows axle jitter values now；
D, the automatic traction axletree 5 of support frame 4 rotate or rotated manually the certain angle of axletree 5, the pinch rollers 31 of spring 224
Roller 31 is set to be connected on axletree 5 and be rotated with rotating shaft, encoder 33 records this rotational angle, display is shown now
Axle jitter values；Described certain angle refers in this step, and the angle of single revolution can be 360 ° more than 360 °,
It can be any angle between 360 ° to 720 °；
The detection of e, repeat step d until completing a whole circle axle jitter values.
In the present embodiment, the whole process of detection is completed from starting to detect, roller 31 is contacted with axletree 5 all the time, and
Abut block 222 also to contact with axletree 5 all the time, therefore, the axle jitter values detected are real-time, and are continuous.
The angle for rotating axletree 5 every time is at least 360 °.
The operation principle of the present invention：Place after axletree 5, one point of mark is starting point, surveys the axle jitter values of the point, sense
Device 23 transfers data to control system, records the axle jitter values of the point.Axletree rotation one week and the angle of the above, setting coding
The frequency of device records a point in every rotation certain angle of axletree 5, and in the rotation process of axletree 5, sensor 23 can be measured
To real-time axle jitter values, the axle jitter values of data and sensor 23 measurement of encoder 33 can be all transferred in control system,
These data correspond, will record in the controls, and can from display real time readouts axle jitter values
Peak and minimum, axle jitter values highest on axletree can also be found out from the data of record and minimum corresponding
Point.Certain angle described in this paragraph, refers to 1.8 °, therefore, and when axletree is rotated one week, the axle that can record 200 points is jumped
Dynamic value.These axle jitter values can be recorded in the controls, and the point of detection can be recorded in encoder 33, the data of encoder 33
It is transferred in control system, moreover, can also know that the axle jitter values of which position have exceeded precision in real time from display
Scope.
The implementation of the present invention is not limited to this, according to the above of the present invention, is known using the ordinary skill of this area
Know and customary means, under the premise of above-mentioned basic fundamental thought of the invention is not departed from, the present invention can also make other a variety of shapes
Modification, replacement or the change of formula, all fall within rights protection scope of the present invention.
Claims (10)
1. a kind of digital display axle run-out instrument, it is characterised in that：The measurement assembly being vertically arranged including support (1), on the support (1)
(2) and it is arranged on the counting component (3) of measurement assembly (2) end；The support includes horizontally disposed upper board and bottom
The connecting plate being vertically arranged of plate, connection upper board and bottom plate, the spill that upper board, bottom plate and connecting plate composition are vertically arranged
Support, the measurement assembly (2) includes telescopic cylinder (21), abuts component (22) and is fixed on the top of the support (1)
The sensor (23) of described abutting component (22) displacement is measured on plate；The counting component (3) includes being connected to the abutting group
Roller (31) on part (22), and the encoder (33) driven with the roller (31) by connecting shaft (32).
2. a kind of digital display axle run-out instrument according to claim 1, it is characterised in that：The sensor (23) is Distance-sensing
Device or displacement transducer.
3. a kind of digital display axle run-out instrument according to claim 1, it is characterised in that：The end of the abutting component (22) is
One abuts block (222), and the bearing surface of the abutting block (222) is plane, and the roller (31) and car are formed with the bearing surface
The rotation space of axle (5) contact.
4. a kind of digital display axle run-out instrument according to claim 3, it is characterised in that：It is vertical that the abutting component (22) includes
Two fixed blocks (221) of setting and the abutting block (222) for being connected to two fixed block bottoms；The roller (31) passes through connecting shaft
(32) it is movably connected between two fixed blocks (221), the connecting shaft (32) extends one of fixed block (221)
And connect the encoder (33)；The rotation space abuts the groove opened up on block (222) to be described.
5. a kind of digital display axle run-out instrument according to claim 4, it is characterised in that：It is socketed with the fixed block (221)
Movable block (223), the connecting shaft (32) rotates with two movable blocks (223) and is connected, the top of the fixed block (221)
Longitudinal direction offers the movable chamber of ammunition feed spring (224) activity, and one end of the spring (224) is connected on the movable block (223),
The other end is connected to the telescopic cylinder (21) bottom, and the movable block (223) leaves free gap between block with described abut
(225)。
6. a kind of digital display axle run-out instrument according to claim 5, it is characterised in that：The movable chamber is arranged far from described
In the fixed block (221) of encoder (33).
7. a kind of digital display axle run-out instrument according to claim 1, it is characterised in that：The encoder (33) and the sensing
Device (23) signal connection display；The encoder (33), the sensor (23) and the telescopic cylinder (21) signal
Connect control system.
8. a kind of axle glitch detection method, uses the digital display axle run-out instrument described in any of the above-described claim, it is characterised in that bag
Include following steps：
A, the two ends of axletree (5) are placed on the support frame of both sides (4), the height of adjustment support frame (4) causes axletree (5)
Axis horizontal is placed；
B, find axletree (5) circle to be measured vertical peak, adjust the position of this digital display axle run-out instrument so that abut block
(222) surface of the peak is placed on vertically；
C, startup control system, telescopic cylinder (21), which is promoted, abuts block (222) downwards until abutting to after axletree (5), starts inspection
Survey, display shows axle jitter values now, complete after detection, telescopic cylinder (21) resets, retraction original place；
D, support frame (4) automatic traction axletree (5) rotate or rotate axletree (5) certain angle manually, and drive roller (31)
Rotate, encoder (33) records this rotational angle；Telescopic cylinder (21) promotes abutting block (222) to be connected on axletree (5) again,
Display shows axle jitter values now；
The detection of e, repeat step d until completing a whole circle axle jitter values.
9. a kind of axle glitch detection method, the digital display axle run-out instrument described in usage right requirement 6, it is characterised in that including as follows
Step：
A, the two ends of axletree (5) are placed on the support frame of both sides (4), the height of adjustment support frame (4) causes axletree (5)
Axis horizontal is placed；
B, the top that this digital display axle run-out instrument is placed on to axletree (5)；
C, startup control system, telescopic cylinder (21), which is promoted, abuts block (222) downwards until abutting to axletree (5), starts detection,
Display shows axle jitter values now；
D, support frame (4) automatic traction axletree (5) rotate or rotate axletree (5) certain angle manually, and spring (224) compresses rolling
Wheel (31) makes roller (31) be connected on axletree (5) and be rotated with rotating shaft, and encoder (33) records this rotational angle, display
Device shows axle jitter values now；
The detection of e, repeat step d until completing a whole circle axle jitter values.
10. a kind of axle glitch detection method according to claim 8, it is characterised in that：The angle of axletree (5) is rotated every time
At least 360 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500096.1A CN107144247A (en) | 2017-06-27 | 2017-06-27 | A kind of digital display axle run-out instrument and axle glitch detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500096.1A CN107144247A (en) | 2017-06-27 | 2017-06-27 | A kind of digital display axle run-out instrument and axle glitch detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107144247A true CN107144247A (en) | 2017-09-08 |
Family
ID=59785668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710500096.1A Withdrawn CN107144247A (en) | 2017-06-27 | 2017-06-27 | A kind of digital display axle run-out instrument and axle glitch detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107144247A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932144A (en) * | 2017-12-25 | 2018-04-20 | 苏州宝特威机电有限公司 | Car rotation frock |
| CN109682337A (en) * | 2019-01-11 | 2019-04-26 | 张卓思 | A kind of stent-type length of material measuring mechanism |
| CN112815189A (en) * | 2020-12-30 | 2021-05-18 | 杭州集智机电股份有限公司 | Non-contact sensor position adjusting structure of measuring shaft |
-
2017
- 2017-06-27 CN CN201710500096.1A patent/CN107144247A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932144A (en) * | 2017-12-25 | 2018-04-20 | 苏州宝特威机电有限公司 | Car rotation frock |
| CN107932144B (en) * | 2017-12-25 | 2023-11-17 | 苏州宝特威机电有限公司 | Automobile rotating shaft tool |
| CN109682337A (en) * | 2019-01-11 | 2019-04-26 | 张卓思 | A kind of stent-type length of material measuring mechanism |
| CN112815189A (en) * | 2020-12-30 | 2021-05-18 | 杭州集智机电股份有限公司 | Non-contact sensor position adjusting structure of measuring shaft |
| CN112815189B (en) * | 2020-12-30 | 2022-06-17 | 杭州集智机电股份有限公司 | Non-contact sensor position adjusting structure of measuring shaft |
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