CN201810670U - Crossed conical roller bearing unit for testing and controlling angular displacement - Google Patents
Crossed conical roller bearing unit for testing and controlling angular displacement Download PDFInfo
- Publication number
- CN201810670U CN201810670U CN2010201686595U CN201020168659U CN201810670U CN 201810670 U CN201810670 U CN 201810670U CN 2010201686595 U CN2010201686595 U CN 2010201686595U CN 201020168659 U CN201020168659 U CN 201020168659U CN 201810670 U CN201810670 U CN 201810670U
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- Prior art keywords
- sensor
- roller bearing
- testing
- angular displacement
- bearing unit
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- Expired - Fee Related
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000696 magnetic material Substances 0.000 claims description 7
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 239000005435 mesosphere Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
- F16C19/364—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General buildup of machine tools, e.g. spindles, slides, actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model provides a crossed conical roller bearing unit for testing and controlling the angular displacement, which consists of a movable ring, an unmovable ring, a crossed conical roller set, a magnescale, at least one sensor, a fixed bracket and a support seat, wherein the fixed bracket is arranged on the support seat around a circle of the outer wall of the movable ring, the outer wall of the movable ring is provided with the magnescale, the fixed bracket which is opposite to the magnescale is provided with the sensor(s), and gaps between the sensors and the magnescale are 0.2mm-1.5mm. By striding a pure supporting and rotating idea, the crossed conical roller bearing unit can form a brand new high-precision rotary unit for controlling and measuring the angle, and can timely measure and monitor a crossed conical roller bearing by the magnescale arranged on the movable ring of the bearing and the sensor(s).
Description
Technical field
The utility model relates to a kind of crossed-circle taper roller bearing, specifically a kind of intersection tapered roller bearing unit that is used for testing and controlling angular displacement.
Background technique
As everyone knows, in the crossed-circle taper roller bearing, since its tapered roller be 90 ° arranged in a crossed manner in raceway, so, the bearing an of the type can bear radial load, multiple load forces such as axial load and turning torque load, owing to himself have high rigid support, premium properties such as highi degree of accuracy rotation, its application area is more and more wider, be widely used in the machine flinishing traverse platform, the mechanism hand rotary part, accurate revolving table, the operation rotating platform, high-accuracy control apparatus fields such as field of electronic components welding turntable, along with science and technology development, needed processing component required precision is more and more higher, though increase on the type bearing self transmission accuracy, yet only on transmission accuracy, improve and still can't satisfy the fine finishing demand, how to design a crossed-circle taper roller bearing that has the angle displacement measurement system and implement closed loop control, be when guaranteeing the driving component operating accuracy, and it is measured monitoring in real time, and feedback then is that a difficult problem to be solved is arranged always.
The model utility content
The deficiency that the purpose of this utility model is intended to solve the problems of the technologies described above provides a kind of intersection tapered roller bearing unit that is used for testing and controlling angular displacement, and convenient and flexible installation has realized the purpose of accurate measurement and control in the bearing working process.
The utility model is for solving the problems of the technologies described above, the technological scheme that is adopted is: the intersection tapered roller bearing unit that is used for testing and controlling angular displacement, comprise bearing body and angle displacement measurement system, described bearing body is by moving-coil, Jing Quan and moving-coil are formed with the circular cone set of rollers of intersecting in the quiet circle raceway, described angle displacement measurement system is by magnetic railings ruler, sensor and fixing frame are formed, be provided with a supporting base in the Jing Quan lower end, one week of outer wall of fixing frame moving circle is arranged on the supporting base, one week of outer wall at moving-coil is provided with magnetic railings ruler, being relatively fixed with magnetic railings ruler is provided with a sensor on the frame at least, and the gap between sensor and the magnetic railings ruler is 0.2mm-1.5mm.The difference of the variation of precision and workplace as requested, the gap can also be amplified, and maximum can arrive 10mm.
Described magnetic railings ruler, it has three-decker, and its internal layer is the steel fixed bed, and the mesosphere is a magnetic material layer, and skin is a metal cladding, described steel fixed bed matches with the moving-coil outer wall surface of bearing.
Described magnetic material layer, it has the magnetized surface that N, the S utmost point are arranged alternately.
Described sensor, its signal output part is connected with control system.
Described sensor comprises an integrated Hall chip and a shell, and described Hall chip encapsulation is integrated with Hall element and signal processing circuit in the enclosure in this Hall chip.
The beneficial effects of the utility model are:
1, the utility model is crossed over simple supporting, the rotation theory of crossed-circle taper roller bearing, control and the high-precision rotary unit of measuring and form a brand-new band angle, by on the bearing moving-coil magnetic railings ruler being set, and combined sensor is measured monitoring in real time to the crossed-circle taper roller bearing.
2, when adopting two or more sensors to be distributed in the bearing circumference, can effectively prevent because operating force makes the bearing race system produce amount of deflection to measuring the influence that produces, sensor is measured in real time signal is transferred to external control system, effectively improves measuring accuracy.
3, the magnetic railings ruler described in the utility model; its matrix is the steel fixed bed; apply the magnetic material layer of one deck above the steel substrate at it; at its outermost surface one deck clad stainless steel cover fillet that also bonds; thereby magnetic surface is protected; make the utility model guarantee the long lifetime that it is never wornout to environmental requirement not high (dust, iron filings and humidity all require insensitive), the non-contacting magnetic mode (more than the 0.2mm-1.5mm of gap) of reading: secondly the steel fixed bed directly matches with bearing surface; easy for installation; need not supplementary structure, flexible.
4, at the built-in plus signal processing circuit of sensor, signal processing with sensor input becomes acceptable sine wave of external control system or rectangle square wave effectively, so this bearing is one and measures absolute construction, need not the external treatment device, volume is little, is convenient to install and use.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Mark among the figure: 1, moving-coil, 2, Jing Quan, 3, intersect the circular cone set of rollers, 4, magnetic railings ruler, 5, sensor, 6, fixing frame, 7, supporting base.
Embodiment
As shown in Figure 1, the utility model, the intersection tapered roller bearing unit that is used for testing and controlling angular displacement, comprise bearing body and angle displacement measurement system, and in conjunction with measurement and control unit of external control system formation, described bearing body is the crossed-circle taper roller bearing, it comprises moving-coil 1 and quiet circle 2, be provided with intersection circular cone set of rollers 3 and retainer in the raceway between moving-coil 1 and quiet circle 2, described angle displacement measurement system mainly is made of magnetic railings ruler 4 and sensor 5, magnetic railings ruler 4 is located at the external diameter surface or the inside diameter surface of moving-coil 1 in the form of a ring, corresponding magnetic railings ruler 4 is provided with sensor 5, sensor 5 is located in the mounting hole on the fixing frame 6, and fixing frame 6 is connected with supporting base 7 by bolt (or other Placement).
The utility model, described moving-coil is the parts that are connected with the motion traverse platform in the bearing, is and follows the traverse platform parts that rotate in the course of the work; Described Jing Quan is the parts that are connected with supporting base in the bearing, is static relatively in the course of the work parts.
The utility model, the radial position of described its corresponding magnetic railings ruler of fixing frame is provided with the sensor mounting hole, and the quantity of mounting hole disposes according to the quantity of required sensor.
Fig. 1 is a kind of structure of outer sensor, different according to occasion of using and precision prescribed, can adopt single-sensor, double-sensor, four or more multisensor arrange, when precision prescribed is lower slightly, can adopt single-sensor to get final product, when equipment requires high-accuracy angle displacement measurement, can adopt double-sensor or more, it must be oppositely arranged on the fixing frame when adopting the double-sensor device, can improve measuring accuracy.When being subjected to spatial constraints, can adopt the built-in sensors structure, magnetic railings ruler is arranged on bearing inner race.
Magnetic railings ruler described in the utility model, its matrix are the steel layer, can select stainless steel belt for use, apply the magnetic material layer of one deck above the steel substrate at it, at its outermost surface one deck clad stainless steel cover fillet that also bonds, thereby magnetic surface are protected.The steel substrate of magnetic railings ruler can cooperate installation with the moving-coil external diameter surface of bearing, constitutes the outer sensor structure this moment; When the steel substrate of magnetic railings ruler directly cooperates installation with the moving-coil inside diameter surface of bearing, constitute the built-in sensors structure, can on steel substrate, be coated with the direct and bearing matching surface strong bond of one deck high strength gelatinous layer during installation, guarantee that permanent use does not break away from.
Magnetic railings ruler described in the utility model, magnetic material layer on it has the magnetized surface that N, the S utmost point replace, and the N on it, S extremely equidistantly distribute, and the quantity of pole pair is set according to the control accuracy of equipment needs, precision prescribed is high more, and the quantity that pole pair is set should be many more.
The utility model, the gap between described sensor and the magnetic railings ruler are 0.2mm-1.5mm, and equipment requires the precision of angle displacement measurement high more, and its gap should be more little.The difference of the variation of precision and workplace as requested, the gap can also be amplified, and maximum can arrive 10mm.
The utility model, described sensor comprise a highly integrated Hall chip and a shell, and described Hall chip encapsulation is integrated with Hall element and signal processing circuit in the enclosure in this Hall chip.Described shell can adopt PVC material or zine pressure casting, and protection class is up to IP67, and anti-interference grade meets 3 grades of IEC801 international standards.Signal processing circuit mainly is made of differentiator and integration circuit, in the rotary course, the Hall element induced flux changes and the generation voltage signal, voltage signal is transferred to signal processing circuit, according to magnetic pole logarithm set on the whole magnetic railings ruler, is calculated to be the digital signal that has angular displacement through signal processing circuit and feeds back to CNC, CNC just can learn the departure of its angular displacement, revise, readjust device parameter, thereby reached the purpose of accurate angle displacement measurement, control.
Owing on the whole ring-type magnetic railings ruler a plurality of pole pairs are set evenly, the quantity that pole pair is set is determined according to desired precision, when the equipment precision prescribed is high more, should need the pole pair of setting close more, the Hall element induced flux changes and the generation voltage signal, according to magnetic pole logarithm set on the whole magnetic railings ruler, each signal can be converted into a definite angular displacement, with the rudimentary horn position is reference point, can be in signal processing circuit the angled increment of cumulative calculation, thereafter feed back to control system, control system is learnt the deviation of setting value and rotating amount, thereby departure is implemented to revise.
The utility model, its working principle is: worktable is in rotary course, the bearing moving-coil is rotation synchronously simultaneously, therefore the magnetic railings ruler on it produces the magnetic line of force, and the Hall element induced flux changes the generation voltage signal, and voltage signal is transferred to signal processing circuit, be angular displacement signal by conversion within it and add up, then input to control system, thereby be convenient to control system identification reduction value and adjust parameter, reach the purpose of accurate controlled angle displacement.
Sensor described in the utility model can be provided with in pairs, be oppositely arranged on the circumference of bearing respectively, prevent to have influence on measurement result, therefore adopt the relative installation of two or more sensors can effectively improve measuring accuracy because operating force makes the bearing race system produce amount of deflection.
The utility model is overall construction design with bearing unit and angle displacement measurement system, and after the processing of the signal processing circuit in sensor, the digital signal that has angular displacement directly feeds back to control system, therefore can be widely used in the numerical control machine tool that has a large capacity and a wide range, also can be applied to other machinery or the apparatus that need accurate angle displacement control and measure, as numerical control machine tool and numerical control machining center turntable, tank turret, radar rotating platform, operation rotating platform, field of electronic components welding turntable etc.
The utility model adopts contactless magnetic sensor, has environmental requirement not high (dust, iron filings and humidity all require insensitive), non-contacting reading the long lifetime that the magnetic mode has guaranteed that it is never wornout; And after inter-process converts digital signal to input control system, thereby realize accurate control to rotary table angular displacement precision, its angular displacement precision can reach ± and 3 ", along with the increase that the magnetic pole logarithm is set on the magnetic railings ruler, precision even can reach ± 1.5 " more than.
Claims (5)
1. the intersection tapered roller bearing unit that is used for testing and controlling angular displacement, comprise bearing body and angle displacement measurement system, described bearing body is by moving-coil (1), Jing Quan (2) and moving-coil (1) are formed with the circular cone set of rollers (3) of intersecting in Jing Quan (2) raceway, described angle displacement measurement system is by magnetic railings ruler (4), sensor (5) and fixing frame (6) are formed, it is characterized in that: be provided with a supporting base (7) in Jing Quan (2) lower end, one week of outer wall of fixing frame (6) moving circle (1) is arranged on the supporting base (7), one week of outer wall at moving-coil (1) is provided with magnetic railings ruler (4), being relatively fixed with magnetic railings ruler (4) is provided with a sensor (5) on the frame (6) at least, and the gap between sensor (5) and the magnetic railings ruler (4) is 0.2mm-1.5mm.
2. the intersection tapered roller bearing unit that is used for testing and controlling angular displacement as claimed in claim 1, it is characterized in that: described magnetic railings ruler (4), it has three-decker, its internal layer is the steel fixed bed, the mesosphere is a magnetic material layer, skin is a metal cladding, and described steel fixed bed matches with moving-coil (1) external diameter surface of bearing.
3. the intersection tapered roller bearing unit that is used for testing and controlling angular displacement as claimed in claim 2 is characterized in that: described magnetic material layer, it has the magnetized surface that N, the S utmost point are arranged alternately.
4. the intersection tapered roller bearing unit that is used for testing and controlling angular displacement as claimed in claim 1 is characterized in that: described sensor (5), its signal output part is connected with control system.
5. the intersection tapered roller bearing unit that is used for testing and controlling angular displacement as claimed in claim 1, it is characterized in that: described sensor (5) comprises an integrated Hall chip and a shell, described Hall chip encapsulation is integrated with Hall element and signal processing circuit in the enclosure in this Hall chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201686595U CN201810670U (en) | 2010-03-12 | 2010-03-12 | Crossed conical roller bearing unit for testing and controlling angular displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201686595U CN201810670U (en) | 2010-03-12 | 2010-03-12 | Crossed conical roller bearing unit for testing and controlling angular displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201810670U true CN201810670U (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201686595U Expired - Fee Related CN201810670U (en) | 2010-03-12 | 2010-03-12 | Crossed conical roller bearing unit for testing and controlling angular displacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201810670U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338165A (en) * | 2011-06-28 | 2012-02-01 | 洛阳轴研科技股份有限公司 | Reflection type control method for monitoring angular displacement of turnable bearing |
| CN103495861A (en) * | 2013-10-21 | 2014-01-08 | 成都凯恩机电设备有限公司 | Bolt fastening system and achieving method thereof |
| CN105651115A (en) * | 2015-12-31 | 2016-06-08 | 连云港杰瑞电子有限公司 | Double-shaft control device of chariot artillery |
| CN112128252A (en) * | 2020-08-19 | 2020-12-25 | 北京北一机床股份有限公司 | Supporting mechanism and method for large-diameter continuous rotary long shaft |
-
2010
- 2010-03-12 CN CN2010201686595U patent/CN201810670U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338165A (en) * | 2011-06-28 | 2012-02-01 | 洛阳轴研科技股份有限公司 | Reflection type control method for monitoring angular displacement of turnable bearing |
| CN103495861A (en) * | 2013-10-21 | 2014-01-08 | 成都凯恩机电设备有限公司 | Bolt fastening system and achieving method thereof |
| CN103495861B (en) * | 2013-10-21 | 2016-01-27 | 成都凯恩机电设备有限公司 | The implementation method of bolt fastening system |
| CN105651115A (en) * | 2015-12-31 | 2016-06-08 | 连云港杰瑞电子有限公司 | Double-shaft control device of chariot artillery |
| CN112128252A (en) * | 2020-08-19 | 2020-12-25 | 北京北一机床股份有限公司 | Supporting mechanism and method for large-diameter continuous rotary long shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20180312 |