CN116642438B - Angle measuring device of high-precision turntable - Google Patents
Angle measuring device of high-precision turntable Download PDFInfo
- Publication number
- CN116642438B CN116642438B CN202310919690.XA CN202310919690A CN116642438B CN 116642438 B CN116642438 B CN 116642438B CN 202310919690 A CN202310919690 A CN 202310919690A CN 116642438 B CN116642438 B CN 116642438B
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- turntable
- micro
- motor
- angle
- locking ring
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- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000005389 magnetism Effects 0.000 claims 1
- 238000012937 correction Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/18—Measuring arrangements characterised by the use of fluids for measuring angles or tapers; for testing the alignment of axes
-
- 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
Abstract
The invention relates to the technical field of turntable angle measurement, and discloses an angle measurement device of a high-precision turntable. A database is established according to the height difference corresponding to the rotation angle of an output shaft of the micro-distance motor and the liquid level difference of the U-shaped tube, ribs are arranged outside a micro-distance motor shaft, pressure or suction force is applied to two ends of the U-shaped tube through the extrusion and release of air bags on two sides of the ribs, the U-shaped tube generates the liquid level difference, a reading probe is used for obtaining a numerical value, the rotation angle of the micro-distance motor shaft is measured through the database, the rotation angle of the whole turntable can be measured by adding the rotation angle of a micro-distance motor body measured by a laser range finder, and an external air pump can be used for adjusting the rotation angle of the micro-distance motor shaft by applying air pressure to the air bags reversely, so that the functions of compensation and correction are realized.
Description
Technical Field
The invention relates to the technical field of turntable angle measurement, in particular to an angle measurement device of a high-precision turntable.
Background
With the continuous improvement of the industrial automation degree, the turntable is widely applied to the field of engineering machinery, and when some heavy equipment and mechanical parts are processed, higher bearing capacity is required, and in this case, the gear turntable is more applicable than the electromagnetic turntable and the optical turntable, and has longer service life and lower maintenance cost.
However, the torque amplitude generated by the micro-distance motor is small, the actual angle of the turntable is difficult to be measured, and further compensation and correction cannot be specifically performed according to the actual standard value.
Disclosure of Invention
The invention aims to solve the problem that the actual angle of a conventional micro-distance motor for compensating a gear turntable is difficult to measure.
The invention is realized in such a way, the angle measuring device of a high-precision rotary table comprises a bearing table and a rotary table arranged above the bearing table, wherein a machine seat, a large rotary table, a small rotary table and a micro-distance motor are sequentially arranged in the bearing table from bottom to top, the shaft of the micro-distance motor is connected with the rotary table, and ribs are arranged on the periphery of the shaft of the micro-distance motor;
the device is characterized by further comprising an angle measuring device arranged on one side of the turntable, a U-shaped pipe filled with water is arranged in the angle measuring device through a retainer, a buoy is arranged on the liquid level in the U-shaped pipe, two ends of the U-shaped pipe are respectively connected with air bags arranged on two sides of the rib through branch pipes, and the air bags are extruded by the rib to push the liquid level in the U-shaped pipe to change so as to realize the measurement of the rotation amplitude of the micro-distance motor.
Preferably, the jack is offered to the tip of little revolving stage, evenly distributed all around of jack is provided with the rib groove, the micro-pitch motor install in the jack, the rib of its all around is arranged in the rib groove, the surface bonding of gasbag has the inserted sheet and inserts and establish in the both sides that the rib groove is located the rib.
Preferably, the angle measuring device further comprises a reading probe and a light supplementing lamp, wherein the reading probe and the light supplementing lamp are arranged in front of and behind the U-shaped tube, a light source of the light supplementing lamp penetrates through the buoy and is received by the reading probe, scales are marked on the surface of the U-shaped tube, and the scales are matched with the reading probe to read numerical values.
Preferably, a large-stroke driving motor is installed on one side of the base, a toothed ring a meshed with an output shaft gear of the large-stroke driving motor is arranged on the outer portion of the large rotary table, a small-stroke driving motor is installed on one side of the large rotary table, and a toothed ring b meshed with an output shaft gear of the small-stroke driving motor is arranged on the outer portion of the small rotary table.
Preferably, the plummer is located the both sides of frame and all is provided with the column cap, the column cap is close to toothed ring a and toothed ring b and corresponds the department and be provided with the jam plate, two be provided with two extension boards between the jam plate, the joint has the spring between the tip of extension board to be provided with the iron plate in the outside of extension board, the jam plate is located and is provided with the switch core between the tip of two extension boards, the switch core is located the iron plate and corresponds the side and be provided with the silicon steel sheet.
Preferably, damping fins are arranged in the middle of the support plate, locking rings a and b corresponding to the outer surfaces of the damping fins are arranged on the outer portions of the large turntable and the small turntable, and braking pieces are arranged on the inner walls of the locking rings a and b.
Preferably, the laser range finder is installed to the spindle side of micro-pitch motor, and the plummer is located the laser range finder corresponds department inner wall and is provided with the measuring ring, the inner wall evenly distributed of measuring ring is provided with right angle bead.
Preferably, the angle measuring device is provided with an air tap connected with the branch pipe in series, and the air tap is connected with an external air pump.
The invention discloses an angle measuring device of a high-precision turntable, which has the beneficial effects that: a database is established according to the height difference corresponding to the rotation angle of an output shaft of the micro-distance motor and the liquid level difference of the U-shaped tube, ribs are arranged outside a micro-distance motor shaft, pressure or suction force is applied to two ends of the U-shaped tube through the extrusion and release of air bags on two sides of the ribs, the U-shaped tube generates the liquid level difference, a reading probe is used for obtaining a numerical value, the rotation angle of the micro-distance motor shaft is measured through the database, the rotation angle of the whole turntable can be measured by adding the rotation angle of a micro-distance motor body measured by a laser range finder, and an external air pump can be used for adjusting the rotation angle of the micro-distance motor shaft by applying air pressure to the air bags reversely, so that the functions of compensation and correction are realized.
Drawings
FIG. 1 is a schematic view of an angle measuring device of a high-precision turntable provided by an embodiment of the invention;
fig. 2 is a schematic diagram of an internal structure of an angle measurement device of a high-precision turntable according to an embodiment of the present invention;
fig. 3 is a schematic view of an angle measurement device of a high-precision turntable according to an embodiment of the present invention;
FIG. 4 is a schematic view of the enlarged partial structure of the angle measuring device of FIG. 3A of a high-precision turntable according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an internal structure of an angle detecting device of an angle measuring device of a high-precision turntable according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a partial side view of a stage of an angle measurement device of a high-precision turntable according to an embodiment of the present invention;
FIG. 7 is a schematic top view of FIG. 6 showing an angle measuring device of a high-precision turntable according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a locking mechanism of an angle measurement device of a high-precision turntable according to an embodiment of the present invention;
FIG. 9 is a schematic view of the partial cross-sectional structure of FIG. 8 of an angle measuring device of a high-precision turntable according to an embodiment of the present invention;
FIG. 10 is a schematic view of a height variation curve obtained by clockwise rotation of the laser tester;
fig. 11 is a schematic diagram of a height variation curve obtained by counterclockwise rotation of the laser tester.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
The implementation of the present invention will be described in detail below with reference to specific embodiments.
Referring to fig. 1-2, a preferred embodiment of the present invention is provided.
The angle measuring device of the high-precision turntable comprises a bearing table 1 and a turntable 2 arranged above the bearing table 1, wherein a machine base 11, a large turntable 13, a small turntable 15 and a micro-distance motor 16 are sequentially arranged in the bearing table 1 from bottom to top, a crankshaft of the micro-distance motor 16 is connected with the turntable 2, and ribs 161 are arranged on the periphery of the crankshaft of the micro-distance motor 16;
the angle measuring device 3 is arranged on one side of the turntable 2, a U-shaped pipe 33 for water injection is arranged in the angle measuring device 3 through a retainer 31, a buoy 331 is arranged on the liquid surface in the U-shaped pipe 33, two ends of the U-shaped pipe 33 are respectively connected with air bags 36 arranged on two sides of the rib 161 through a branch pipe 34, and the air bags 36 are extruded by the rib 161 to push the liquid level change in the U-shaped pipe 33 to measure the rotation amplitude of the micro motor 16.
Referring to fig. 3, a laser range finder 17 is installed on one side of a crankshaft of the macro motor 16, a measuring ring 171 is disposed on an inner wall of a position corresponding to the laser range finder 17 by the bearing table 1, right angle ribs are uniformly distributed on an inner wall of the measuring ring 171, distances of the right angle ribs are continuously measured by the laser range finder 17 to form a continuous zigzag line, when the laser range finder 17 rotates clockwise, a laser point moves from a high position to a low position of an inclined plane of each right angle rib structure, each height change period in a height change curve obtained by the laser range finder 17 is from a curve lowest point b to a curve highest point a, and the real-time rotation angle calculation steps of the macro motor 16 body are as follows:
as shown in fig. 10, a distance x between a starting position point a and a highest point a of the standard curve is determined according to the highest point a and the lowest point b of the standard curve and a clockwise height change curve obtained in real time; calculating the distance y between the current position point B and the lowest point B of the standard curve in real time; recording the number j of the lowest points in the height change curve in real time by a counter, wherein the initial position A is not counted when being positioned at the lowest point, namely the initial time j=0; the upper computer reads the real-time recording result, calculates and displays the real-time rotating angle of the micro-distance motor 16 body: n is the number of saw-tooth line structures, h is the pitch of the saw-tooth line structures, and the real-time rotating angle of the micro-distance motor 16 body is calculated and displayed:
as shown in fig. 11, when the preset rotation direction is counterclockwise, the laser point moves from the low position to the high position of the inclined plane of each zigzag line structure, and each height change period in the height change curve obtained by the laser displacement sensor is from the highest point a to the lowest point b of the curve; the real-time rotation angle calculation step of the micro-distance motor 16 body is as follows: judging the distance x between the starting position point A and the lowest point b of the standard curve according to the highest point a and the lowest point b of the standard curve and a counterclockwise height change curve obtained in real time; calculating the distance y between the current position point B and the highest point a of the standard curve in real time; recording the number i of the highest points in the height change curve in real time by a counter, wherein the initial position A is not counted when being positioned at the highest point, namely, the initial time i=0; the upper computer reads the real-time recording result, calculates and displays the real-time rotating angle of the micro-distance motor 16 body:
as shown in fig. 4 and fig. 7, the end of the small turntable 15 is provided with a jack 153, rib grooves 1531 are uniformly distributed around the jack 153, the macro motor 16 is installed in the jack 153, ribs 161 around the micro motor are disposed in the rib grooves 1531, the surface of the air bag 36 is adhered with the inserting sheet 35 and inserted into the rib grooves 1531 and located at two sides of the rib 161, so that the micro motor 16 can drive the rib 161 to move in the rib grooves 1531 in the rotating process of the fine tuning turntable 2, the air bag 36 on the movable direction of the rib 161 can be compressed, the air bag 36 on the other side can be released, the shrinkage and expansion of the air bags 36 on the two sides can push the liquid level at two ends of the U-shaped tube 33 to change, a database is formed according to liquid level change values obtained by different angles of the rotation of the spindle of the micro motor 16 preset in advance, (for example, when the micro motor 16 rotates by 0.1 degree, the liquid level difference of the U-shaped tube 33 is 0.1ml, when the micro motor 16 rotates by 0.2 degree, the liquid level difference of the spindle 33 is 0.2 ml), and meanwhile, the liquid level difference of the U-shaped tube 33 is measured by the spindle is increased by 0.2ml, and the spindle difference of the spindle 33 is convenient, and the maintenance is convenient.
As shown in fig. 5, the angle measuring device 3 further includes a reading probe 32 and a light compensating lamp 37 disposed in front of and behind the U-shaped tube 33, where the light source of the light compensating lamp 37 penetrates through the buoy 331 and is received by the reading probe 32, the surface of the U-shaped tube 33 is marked with scales, and the scales are read by the reading probe 32 in cooperation with the reading probe 32, so that the external display device is used to display the values, and an operator can obtain the rotating angle of the crankshaft of the macro motor 16 better.
Referring to fig. 8-9, the carrying platform 1 is provided with studs 18 on two sides of the stand 11, the studs 18 are provided with locking plates 181 near corresponding positions of the toothed ring a131 and the toothed ring b151, two supporting plates 182 are provided between the two locking plates 181, springs 187 are clamped between the ends of the supporting plates 182, iron plates 186 are provided on the outer sides of the supporting plates 182, an energizing core 184 is provided between the ends of the two supporting plates 182, the energizing core 184 is provided with silicon steel plates 185 on corresponding sides of the iron plates 186, damping sheets 183 are provided in the middle of the supporting plates 182, locking rings a132 and locking rings b152 corresponding to the outer surfaces of the damping sheets 183 are provided on the outer sides of the large turntable 13 and the small turntable 15, and the inner walls of the locking rings a132 and b152 are provided with braking sheets, under the action of the springs 187, the default, the damping sheets 183 of the two supporting plates 182 can abut against the braking sheets of the inner walls of the locking rings a132 and the locking rings b152, the large turntable 13 and the small turntable 184 are guaranteed, the damping sheets 185 can be quickly adjusted, and the damping sheets can be quickly released from the inner walls of the large turntable 13 and the locking rings b 184, and the inner walls of the large turntable 184 can be quickly adjusted, and the damping rings can be quickly released from the inner walls of the rotating shafts of the turntable 2, and the damping rings can be quickly adjusted, and the damping sheets can be quickly released to the inner accurately and can be quickly pressed by the compression tightly by the locking plates and the inner plates and the friction plates can be quickly and tightly pressed by the friction plate 2.
As shown in fig. 6, a large-stroke driving motor 12 is installed on one side of the stand 11, a toothed ring a131 meshed with an output shaft gear of the large-stroke driving motor 12 is arranged on the outer portion of the large turntable 13, a small-stroke driving motor 14 is installed on one side of the large turntable 13, a toothed ring b151 meshed with an output shaft gear of the small-stroke driving motor 14 is arranged on the outer portion of the small turntable 15, the large-stroke driving motor 12 and the small-stroke driving motor 14 are arranged, a large gear is split into a large gear and a small gear, the gear tooth density is reduced, and the damage risk is further reduced.
In another embodiment, the angle measuring device 3 is provided with an air tap connected in series with the branched pipe 34, the air tap is connected with an external air pump, and air is injected into the air bag 36 through the branched pipe 34 by the air pump, so that the air bag 36 expands and contracts, and then the rib 161 is extruded, and the rotation angle of the shaft of the macro motor 16 is reversely adjusted according to a database.
According to the preset height difference corresponding to the rotation angle of the output shaft of the micro-distance motor 16 and the liquid level difference of the U-shaped tube 33, a rib 161 is arranged outside the shaft of the micro-distance motor 16, and the air bags 36 on two sides of the rib 161 are extruded and released to apply pressure or suction force to two ends of the U-shaped tube 33, so that the U-shaped tube 33 generates the liquid level difference, then the reading probe 32 is used for acquiring a numerical value and measuring the rotation angle of the shaft of the micro-distance motor 16 through the database, the integral rotation angle of the turntable 2 can be measured by adding the rotation angle of the body of the micro-distance motor 16 measured by the laser range finder 17, and the external air pump can be used for applying air pressure to the air bags 36 to reversely adjust the rotation angle of the shaft of the micro-distance motor 16, so that the functions of compensation and correction are realized.
In some embodiments, the laser rangefinder 17 and its corresponding measuring ring 171 may be replaced with one of a gyroscope, an encoder, a rotation angle sensor, a gesture sensor, a piezoelectric sensor, an ultrasonic rangefinder for measuring the rotation angle of the macro motor 16 body.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. The angle measuring device of the high-precision turntable comprises a bearing table and a turntable arranged above the bearing table, and is characterized in that a machine base, a large turntable, a small turntable and a micro-distance motor are sequentially arranged in the bearing table from bottom to top, a crankshaft of the micro-distance motor is connected with the turntable, and ribs are arranged on the periphery of the crankshaft of the micro-distance motor;
the device also comprises an angle measuring device arranged at one side of the turntable, a U-shaped pipe for water injection is arranged in the angle measuring device through a retainer, a buoy is arranged on the liquid level in the U-shaped pipe, the two ends of the U-shaped pipe are respectively connected with air bags arranged at two sides of the rib through branch pipes, and the air bags are extruded by the rib to push the liquid level change in the U-shaped pipe so as to realize the measurement of the rotation amplitude of the micro-distance motor;
the end part of the small turntable is provided with jacks, rib grooves are uniformly distributed around the jacks, the micro-pitch motor is arranged in the jacks, ribs around the micro-pitch motor are arranged in the rib grooves, and the surface of the air bag is adhered with inserting sheets and is inserted into the rib grooves at two sides of the ribs;
the angle measuring device further comprises a reading probe and a light supplementing lamp which are arranged in front of and behind the U-shaped tube, a light source of the light supplementing lamp penetrates through the buoy and is received by the reading probe, scales are marked on the surface of the U-shaped tube, and numerical values are read by the reading probe in a matching manner;
a large-stroke driving motor is arranged on one side of the base, a toothed ring a meshed with an output shaft gear of the large-stroke driving motor is arranged on the outer portion of the large turntable, a small-stroke driving motor is arranged on one side of the large turntable, a toothed ring b meshed with an output shaft gear of the small-stroke driving motor is arranged on the outer portion of the small turntable, a large gear is split into a large gear and a small gear, and the gear tooth density is reduced;
the bearing table is arranged on two sides of the machine base, lock plates are arranged at positions, close to the positions corresponding to the toothed rings a and b, of the column heads, two support plates are arranged between the lock plates, springs are clamped between the end parts of the support plates, iron plates are arranged on the outer sides of the support plates, an electrified core is arranged between the end parts of the lock plates, and silicon steel sheets are arranged on the corresponding sides of the electrified core, which are positioned on the iron plates;
the middle part of the support plate is provided with damping sheets, the outsides of the large turntable and the small turntable are provided with a locking ring a and a locking ring b which correspond to the outer surfaces of the damping sheets, the inner walls of the locking ring a and the locking ring b are provided with braking sheets, under the action of a spring, the damping sheets of the two support plates can be abutted against the braking sheets on the inner walls of the locking ring a and the locking ring b, the large turntable and the small turntable can be fast positioned, the movement is prevented, the loss of precision is reduced, when the turntable is required to be regulated, the silicon steel sheets on an electrified core are electrified to generate strong magnetism, an iron plate at the end part of the support plate is adsorbed, the braking sheets on the inner walls of the locking ring a and the locking ring b are separated from the braking sheets on the inner walls of the locking ring a and the locking ring b when the spring is compressed, and the rotating angle of the turntable can be fast regulated;
the laser range finder is installed to the spindle one side of micro-pitch motor, and the plummer is located the laser range finder corresponds department inner wall and is provided with the measuring ring, the inner wall evenly distributed of measuring ring is provided with right angle bead, utilizes the reading probe to acquire the numerical value and through the rotation angle of database measurement micro-pitch motor spindle, plus the micro-pitch motor body rotation angle that the laser range finder measured, the whole rotation angle of measurement carousel.
2. The angle measuring device of a high-precision turntable as claimed in claim 1, wherein the angle measuring device is provided with an air tap connected in series with the branched pipe, and the air tap is connected with an external air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310919690.XA CN116642438B (en) | 2023-07-26 | 2023-07-26 | Angle measuring device of high-precision turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310919690.XA CN116642438B (en) | 2023-07-26 | 2023-07-26 | Angle measuring device of high-precision turntable |
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| Publication Number | Publication Date |
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| CN116642438A CN116642438A (en) | 2023-08-25 |
| CN116642438B true CN116642438B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310919690.XA Active CN116642438B (en) | 2023-07-26 | 2023-07-26 | Angle measuring device of high-precision turntable |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004109132A (en) * | 2002-09-13 | 2004-04-08 | Snap-On Equipment Srl A Unico Socio | Method and system for measuring geometric data of automobile wheel rotatably installed around rotary shaft |
| CN106767538A (en) * | 2016-11-22 | 2017-05-31 | 洛阳伟信电子科技有限公司 | A kind of high-precision angle-measuring method |
| CN116296039A (en) * | 2022-09-07 | 2023-06-23 | 南京航空航天大学 | Pressure measuring device and method for micro-rotating static gap |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9188429B2 (en) * | 2012-12-06 | 2015-11-17 | Snap-On Equipment Srl A Unico Socio | Method of determining rotary angle related data of a vehicle wheel |
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2023
- 2023-07-26 CN CN202310919690.XA patent/CN116642438B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004109132A (en) * | 2002-09-13 | 2004-04-08 | Snap-On Equipment Srl A Unico Socio | Method and system for measuring geometric data of automobile wheel rotatably installed around rotary shaft |
| CN106767538A (en) * | 2016-11-22 | 2017-05-31 | 洛阳伟信电子科技有限公司 | A kind of high-precision angle-measuring method |
| CN116296039A (en) * | 2022-09-07 | 2023-06-23 | 南京航空航天大学 | Pressure measuring device and method for micro-rotating static gap |
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| CN116642438A (en) | 2023-08-25 |
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Effective date of registration: 20240115 Address after: Room 202, Building 3, No. 5 Xin'an Meiyuan Road, Chang'an Town, Dongguan City, Guangdong Province, 523000 Applicant after: Dongguan Guanlong Machinery Equipment Co.,Ltd. Address before: 518000, 7th Floor, No. 61 North Ring Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province Applicant before: Tianjing Technology (Shenzhen) Co.,Ltd. |
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