CN103076173A - Rolling bearing fault detection device - Google Patents
Rolling bearing fault detection device Download PDFInfo
- Publication number
- CN103076173A CN103076173A CN2012105577586A CN201210557758A CN103076173A CN 103076173 A CN103076173 A CN 103076173A CN 2012105577586 A CN2012105577586 A CN 2012105577586A CN 201210557758 A CN201210557758 A CN 201210557758A CN 103076173 A CN103076173 A CN 103076173A
- Authority
- CN
- China
- Prior art keywords
- bearing
- main shaft
- fixed
- speed
- rolling bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a rolling bearing fault detection device, which comprises an engine base and a host machine fixed on the engine base, wherein the host machine comprises a main shaft system, an expanding-sleeve elastic chuck component, a loading component and a lifting platform; the expanding-sleeve elastic chuck component is arranged at one end of a main shaft of the main shaft system; the loading component is fixed just below the expanding-sleeve elastic chuck component and is contacted with a bearing; the lifting platform is arranged at one side of the engine base; and when the bearing is loaded, the bearing is driven to move up, and the bearing is loaded to the expanding-sleeve elastic chuck component. With the adoption of the rolling bearing fault detection device, the detection accuracy can be improved, the specification range of the detected rolling bearing is increased, and the automatic diagnosis of the bearing is realized.
Description
Technical field
The present invention relates to a kind of failure detector, a kind of rolling bearing fault pick-up unit particularly, the bearing that is mainly used in domestic railway locomotive, vehicle, motor-car, high ferro, city rail vehicle and non-railway systems detects, and also can be used for the makers' product quality of bearing and detects.
Background technology
The test of relevant bearing, the device of detection, device category are a lot, comprise multiple hand-held bearing testers, velocity profile vialog, acceleration vialog etc., basically be the relevant criterion according to bearing industry, under certain rotating speed and test load, by measuring speed, acceleration, the shift value of bear vibration, detect bearing in the vibration values of corresponding frequency band, have then by temperature survey, then adopt relevant vibration standard and temperature standard to compare, realize showing, reporting to the police.
At the large size bearing detection field, for example railway locomotive, vehicle, motor-car, high ferro, city rail vehicle large size bearing, routine overhaul, in when repairing, need uncart heavy rolling bearing, after cleaning abatement processes, whether the fault detect of the workplace that rolls can continue to use to determine it, in addition, also need new bearing is carried out the correlation behavior evaluation.For a long time, the detector, the detection machine that utilize rolling bearing fault to detect detect the rolling bearing that unloads, and have several problems:
1) accuracy rate that rolling bearing fault is detected is not high;
2) the detectable rolling bearing specification limit of detection machine is narrow, generally can only detect 1 ~ 3 kind of bearing specification;
3) can not accurately determine trouble location, such as interior ring, outer shroud, the rolling workplace of roller and fault and the diagnosis of interior impure qualitative and quantitative of the slipping planes such as retainer, roller end face and inner and outer ring shelves limit of bearing;
Therefore, the overhaul of domestic railway territory, middle repair shop, of a great variety because of the rolling bearing model specification, most of artificial visually examine of employing checked in the past.
The workload that exists for artificial unloading, visual inspection locomotive, vehicle large size bearing is large, cost is high, accuracy rate is not high, be not easy to find the concealed problem on non-surface, the inventor proposed the multinomial Patents that detects based on the rolling bearing fault that is used for the industries such as railway locomotive, vehicle of generalized resonance/resonance demodulation technique, for example:
200810200735.3 generalized resonance composite sensor that detects vibratory impulse
200910056925.7 the resonance demodulation detection method of a mechanical failure impact
90215977.1 rolling bearing of carriage wheel detects testing machine
97238572.X fault inspector for rolling bearings of railway vehicle wheels
200810043838.3 bearing, gear adaptation design method that reduces fault rate of gear transmission system
Above-mentioned these patented technologies at home rolling bearing fault of the industry such as railway locomotive, vehicle are progressively applied in detecting, and have obtained preferably effect, obtain the favorable comment of railway interests and the widespread use of railway locomotive depot.
But, patented technology " rolling bearing of carriage wheel detect testing machine (90215977.1) " and " fault inspector for rolling bearings of railway vehicle wheels (97238572.X) " all be take railway vehicle wheel to as operand, railway interests also proposed need to be for the new bearing before installing and use retreat expiry to unload and through the direct-detection requirement of overhaul bearing afterwards; In addition, the high speed development of railway construction, the widespread use of motor-car, high ferro, city rail vehicle, add the problem that occurs after external multiple locomotive is introduced, all proposed to require adaptability to need more widely to rolling bearing fault detection machine, that is to say, require rolling bearing fault detection machine to adapt to different model, the kind of locomotive, vehicle, motor-car, high ferro, the city rail vehicle of more different automobile types, the large-size rolling bearing fault detect of size.
Problem and demand for these rolling bearing fault context of detection existence, the inventor further improves exploitation invention " a kind of rolling bearing fault pick-up unit " on original " fault inspector for rolling bearings of railway vehicle wheels (patent No.: 97238572.X) " technical foundation.
Summary of the invention
Technical matters to be solved by this invention is, not enough for prior art, a kind of rolling bearing fault pick-up unit is provided, improve the accuracy rate that detects, the rolling bearing specification limit that increases detection, realize the automatic diagnosis of bearing, the rolling workplace of the interior ring of discovery bearing, outer shroud, roller and the fault of the slipping planes such as retainer, roller end face and inner and outer ring shelves limit and interior impure, and fault is carried out qualitative and quantitative diagnose.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of rolling bearing fault pick-up unit, comprise support and the main frame that is fixed on the described support, described main frame comprises axis system, expansion sleeve type collet assembly, charging assembly and lifting table, and described expansion sleeve type collet assembly is installed in main shaft one end of described axis system; Described charging assembly is fixed under the described expansion sleeve type collet assembly, and contacts with described bearing; Described lifting table is arranged on described support one side, when loading bearing, drives described bearing and moves up, and described bearing is loaded on the described expansion sleeve type collet assembly.
Described axis system comprises the first servomotor, two synchronous pulleys, Timing Belt, rotary oil cylinder, main shaft, pull bar, the phonic wheel that tests the speed, and described rotary oil cylinder is installed in described main shaft tail end, and described front-end of spindle is equipped with described expansion sleeve type collet assembly; Described pull bar one end is fixedly connected with the piston rod of described rotary oil cylinder, and the other end is connected with described expansion sleeve type collet assembly by the endoporus of main shaft; Described the first synchronous pulley is fixed on the axle of described the first servomotor, and described the first synchronous pulley drives the second synchronous pulley that is fixed on the described main shaft by described Timing Belt, and described the second synchronous pulley drives described main shaft and rotates; The described phonic wheel that tests the speed is installed on the described main shaft, is fixed with speed probe on the described support rear wall, and the test the speed gap of tooth of the sensitive part of described speed probe and the described phonic wheel that tests the speed is 0.5～1.5mm.
Described charging assembly comprises that load cylinder, guide type shoe and signals collecting load seat, and described signals collecting loads seat and comprises Connection Block, bearing seat, and described Connection Block two ends respectively are fixed with the guide pole that an energy moves up and down along described guide type shoe; Described Connection Block lower end is connected with the piston rod of described load cylinder by bearing pin, described guide type shoe is fixed on described Connection Block below, described bearing seat is fixed on the described Connection Block, and described bearing seat upper end contacts with described bearing, and described bearing seat both sides are fixed with sensor.
Be fixed with the second servomotor on the described support, described the second servomotor drives described lifting table by ball screw and moves up and down along the linear guides on the described support sidewall; Be provided with the hand feed supporting plate on the described lifting table table top, described hand feed supporting plate is provided with the V-shaped groove that is parallel to described main shaft, and described hand feed supporting plate is connected by the manual rocking bar of gearing with described lifting table side.
The described phonic wheel that tests the speed is with 200 equally distributed teeth that test the speed.
Compared with prior art, the beneficial effect that the present invention has is: the accuracy rate that 1) detects is high, and Zhun Que Shuais＞=and 90%; The rolling bearing specification limit that 2) can detect is wide, and scope is: bearing bore diameter: Φ 80mm＜=Dn＜=Φ 180mm, bearing outside diameter: Φ 190mm＜=Dw＜=Φ 340mm, bearing width: 40mm＜=B＜=110mm.This detection function is finished the operations such as the quick-clamping, rotation, simulation loading of bearing automatically, and real-time data collection uploads in the computing machine, detect diagnostic system by the automatic control take generalized resonance/resonance demodulation technique as core in the computing machine, realize the automatic diagnosis of bearing, can find the fault of the rolling workplace of interior ring, outer shroud, roller of bearing and the slipping planes such as retainer, roller end face and shelves limit and interior impure, and fault is carried out the qualitative and quantitative diagnosis.
Description of drawings
Fig. 1 is one embodiment of the invention structural representation;
Fig. 2 is one embodiment of the invention axis system structural representation;
Fig. 3 is one embodiment of the invention charging assembly and lifting table structural representation;
Fig. 4 is that one embodiment of the invention signals collecting loads the holder structure schematic diagram.
Embodiment
As shown in Figure 1, one embodiment of the invention comprises that automatic control detects diagnostic system III, Hydraulic Station II, support 1 and is fixed on main frame I on the described support 1, described main frame I is transferred to described automatic control with fault detection signal and detects diagnostic system III, described automatic control detects diagnostic system III and is connected with described Hydraulic Station II, described main frame comprises axis system 2, expansion sleeve type collet assembly 3, charging assembly 4 and lifting table 5, and described expansion sleeve type collet assembly 2 is installed in main shaft 25 1 ends of described axis system 2; Described charging assembly 4 is fixed under the described expansion sleeve type collet assembly 3, and contacts with described bearing; Described lifting table 5 is arranged on described support 1 one sides, when loading bearing, drives described bearing and moves up, and described bearing is loaded on the described expansion sleeve type collet assembly 2.
As shown in Figure 2, axis system 2 comprises servomotor 21, synchronous pulley 22, Timing Belt 23, rotary oil cylinder 24, main shaft 25, pull bar 26, phonic wheel 27 tests the speed; Expansion sleeve type collet assembly 3 is installed in main shaft 25 front ends, rotary oil cylinder 24 is installed in the tail end of main shaft 25, pull bar 26 1 ends are fixed on the piston rod of rotary oil cylinder 24, the other end is connected to expansion sleeve type collet assembly 3 by the endoporus of main shaft 25, realize the combination of expansion sleeve type collet assembly 3 and rotary oil cylinder 24, bearing is loaded and unloaded fast, locates, locks; The rolling bearing of each specifications and models, according to the internal diameter of concrete bearing, the expansion sleeve type collet assembly 3 of configuration corresponding specification is changed before detecting.For fear of main shaft because resistance increases suddenly the instantaneous decline of rotating speed occurs, skids, puts the fault diagnosis mistake that allows phenomenon and cause and avoid gear drive to cause when bearing roller is crossed the trouble spot mesh vibration or the interference of impact to detecting, described servomotor 21 is fastened on the driving that the synchronous pulley 22 on main shaft 25 axles is realized main shaft 25 by Timing Belt 23 transmissions of the synchronous pulley 22 on its axle and approximate rigidity; At the test the speed phonic wheel 27 of main shaft 25 middle parts configuration with 200 uniform teeth that test the speed, speed probe is installed on support 1 rear wall, its sensitive part is 0.5～1.5mm apart from the gap of the tooth that tests the speed of phonic wheel 27, the pulse of Real-time Collection main shaft actual speed, be transferred to automatic control and detect the diagnostic system III, further identify the speed of mainshaft and change, shake and realize being detected the rotating-speed tracking sampling of bearing signal.
Under expansion sleeve type collet assembly 3, be provided with special-purpose charging assembly 4; As shown in Figure 3, described charging assembly 4 is comprised of load cylinder 41, guide type shoe 42 and signals collecting loading seat 43; Load cylinder 41 relies on guide type shoe 42 guiding, the gap of the outer shroud of the vertical major axis lifting of assurance oil cylinder and the detected bearing of elimination, roller, interior ring and grease are in order to detection, signals collecting is loaded the outer shroud of shifting the detected bearing of contact on the seat 43 onto, and in detection, bearing is loaded.
As shown in Figure 3 and Figure 4, signals collecting loading seat 43 contains Connection Block 44, bearing seat 45, guide pole 46; 2 guide poles 46 are installed at two below the Connection Block 44, and guide pole 46 moves up and down along guide type shoe 42; The center is connected with the piston rod of load cylinder 41 with bearing pin below the Connection Block 44; Bearing seat 45 is according to outer race diameter custom-made, and the below is manufactured with positioning boss; In order to realize that bearing seat 45 and Connection Block 44 locate fast, screw-threaded coupling, the bearing seat 45 of for convenience detach and replacing different size is manufactured with Connection Block 44 above just locating channel and a threaded hole of perforation; Bearing seat 45 is according to 2 cambered surfaces of detected bearing outside diameter design by 120 ° of distributions, 2 cambered surfaces are fitted with outer race simultaneously when loading, contacting surface 8 length in every place are not less than 45 ° of arcs, curvature is identical with the outer shroud cylindrical, surface of contact smooth finish reaches more than 1.6, dyeing inspection itself and outer shroud contact area reach more than 75%, and at 2 RC back sides of cambered surface by 120 ° of distributions, respectively be manufactured with M12 threaded hole and internal taper hole along the bearing radial direction, be used for installing the sensor of signals collecting, consist of 2 sensors and detect simultaneously by 120 ° of distributions; Be the validity that guarantees that the impact shock signal transmits, improve steel construction compactness, reduce signal attenuation, bearing seat 45 blanks adopt Forging Technology; In order to realize detecting the rolling bearing of various outer diameter specification, need the external diameter according to concrete bearing to be detected, configuration bearing seat 45, and corresponding replacing before detection.
Utilize servomotor 21 that the characteristics of low speed state (approximately 10r/min) can be provided, the band dynamic bearing rotates 120 degree together with outer shroud and reloads detection when the no load state that described load cylinder 41 descends, carry out rotation, loading, the sample detecting of three times 120 degree, can realize the multi-faceted sampling of whole outer shroud 360 degree.
Lifting table 5 is elevated to required height with the bearing of different size; Lifting table 5 adopts the cantilever mesa structure, is positioned at the right of support 1, drives through ball-screw 51 by the servomotor 52 that is fixed on the support 1, moves up and down along the linear guides 53 on the right sidewall that is installed in support 1; Lifting table 5 height and positions detect the detection of diagnostic system III, control by automatically controlling in the computing machine, adjust, by the Computer display height value, for convenient counting and affirmation height value, automatically resetting and memory height and position are realized quick assembling bearing, and lifting table arranges upper and lower limit bit switch and zero position switch.Configuration hand feed supporting plate 54 on lifting table 5 table tops, the V-type groove that is parallel to main shaft is set on the hand feed supporting plate 54, hand feed supporting plate 54 is connected by the manual rocking bar of transmission gear with lifting table 5 sides, forward shakes rocking bar and then advances supporting plate 54, bearing is installed on the expansion sleeve type collet assembly 3, oppositely shake rocking bar and then return supporting plate 54.Lifting table 5 modular constructions design, and make the bearing of each specification external diameter, by lifting table 5 height control, before bearing being raised to the expansion sleeve type collet assembly 3 of correspondence, easily push installation by hand feed supporting plate 54, realize fast loading and unloading, widened detection bearing size scope.
Detect the accuracy rate of its detection of machine in order to improve rolling bearing fault, adopt following method: the rigidity and the running accuracy that improve main shaft; Timing Belt 23 transmissions with approximate rigidity come drive shaft; Use the real-time rotate speed of main shaft to detected bearing tracking sampling; Come positioning and clamping with expansion sleeve type collet assembly 3; Use simulation loading to eliminate gap and the grease of the outer shroud of detected bearing, roller, interior ring; Use special-purpose signals collecting to load simultaneously detection technique of 43 and 2 sensors of seat, guarantee the validity that the impact shock signal transmits; Use the multi-faceted method of sampling of outer shroud; Use with the automatic control detection diagnostic system of generalized resonance/resonance demodulation technique as core.Wherein:
The rigidity and the running accuracy that improve main shaft are achieved by the following measures, and support 1 is the monoblock type cast structure, and part right-hand part is main spindle box on it, and axis system 2 is installed.Axis system 2 adopts hollow Step Shaft structure, inner hole of spindle diameter
=39mm, equivalent diameter
=88.36mm; The main spindle box of front-end of spindle and support 1 adopts P4 level Biserial cylindrical roller bearing, and endoporus is the conical surface, and model is NN3018K/P4, mainly bears radial load; The main spindle box of rear-end of spindle and support 1 adopts the single-row angular contact ball bearing of two P4 levels to make up back-to-back, and model is 7015AC/DB/P4; Above-mentioned configuration guarantees main shaft under 4500N operating load state, and Jing is to Tiao Dong＜=0.02mm, and Jing is to Wei Yi＜=0.05mm.Through adjusting, the rigidity of main shaft meets the demands fully, and main shaft in use also can reach every accuracy requirement fully.Front-end of spindle uses Morse's taper location, bearing pin transmission, is threaded with expansion sleeve type collet assembly 3.
Use the real-time rotate speed of main shaft that detected bearing tracking sampling is achieved by the following measures, the main shaft middle part configures the phonic wheel 27 that tests the speed, the phonic wheel 27 that tests the speed is 200 gears that tooth is uniform, speed probe is installed on support 1 rear wall, sensitive part is 0.5～1.5mm apart from the test the speed gap of tooth of phonic wheel, Real-time Collection main shaft actual speed, offer and detect the diagnostic expert system use, further the identification speed of mainshaft changes, shake, and overcome just in case the error diagnosis that the rotating speed shake causes by " rotating-speed tracking sampling and the clef of varying-speed machinery fault diagnosis solidify analytical approach ".
Come positioning and clamping to be achieved by the following measures with expansion sleeve type collet assembly 3, expansion sleeve type collet assembly 3 is installed in front-end of spindle, draw/push away under the acting force at rotary oil cylinder 24 piston rods, cone is mobile in opposite directions, realization is to the quick swelling of bearing inner ring/unclamp, finish location, clamping, and require to jump moving＜=0.03mm behind the swelling bearing inner ring.
The gap and the grease that use simulation loading to eliminate the outer shroud of detected bearing, roller, interior ring are achieved by the following measures, between the right of support 1 sidewall and the lifting table 5, expansion sleeve type collet assembly 3 under the charging assembly 4 of design specialized; Comprise that load cylinder 41, guide type shoe 42 and signals collecting load seat 43; Load cylinder 41 work loading forces are 4500N ± 200N, be installed in the main spindle box body lateral location, under the expansion sleeve type collet assembly 3, guiding mechanism is set, guarantee oil cylinder lifting vertical major axis, outer shroud to detected bearing loads in detection, gap and the grease of the outer shroud of the detected bearing of elimination, roller, interior ring.
Use special-purpose signals collecting to load simultaneously detection technique of 43 and 2 sensors of seat, guarantee the validity that the impact shock signal transmits, be achieved by the following measures, signals collecting loads seat 43 and contains Connection Block 44, bearing seat 45, guide pole 46.Bearing seat 45 is used for installing compound sensor, realizes the collection of bearing impulse fault signal; Be the validity that guarantees that the impact shock signal transmits, bearing seat 45 blanks adopt Forging Technology, improve steel construction compactness, reduce signal attenuation; Bearing seat 45 structural designs are fitted by cambered surface and the outer race of 120 ° of distributions for 2 places are arranged.Every place arc of contact face length is not less than 45 ° of arcs, and curvature is identical with the outer shroud cylindrical, and surface of contact smooth finish reaches (right boring processing) more than 1.6, and dyeing inspection itself and outer shroud contact area reach more than 75%; And at Liang Chu (120 ° of distributions) the RC back side of contacting surface, respectively be manufactured with M12 threaded hole and internal taper hole along the bearing radial direction, be used for installing the sensor of signals collecting; Use 2 sensors to press 120 ° of distributing installations at bearing seat 45, the synchronous acquisition signal.
Use the multi-faceted method of sampling of outer shroud, be achieved by the following measures, by computer control, utilize servomotor 21 that the characteristics of low speed state (approximately 10r/min) can be provided, the band dynamic bearing rotates 120 degree together with outer shroud and reloads detection when the no load state that described load cylinder 41 descends, carry out rotation, loading, the sample detecting of three times 120 degree, realize the multi-faceted sampling of whole outer shroud 360 degree.
Use " generalized resonance/resonance demodulation technique " to detect the diagnostic system III as the automatic control of core, be achieved by the following measures, on the basis of inheriting original " fault inspector for rolling bearings of railway vehicle wheels (patent No.: 97238572.X) " technology, automatic control is detected the diagnostic system III develop perfect.Automatically control detects the diagnostic system III and all is installed in the international standard upper frame type rack, is connected by electric wirings such as control cables, IO line, signal cables with detecting between owner's body; Detecting diagnostic software by electric control system and control forms; Electric control system is comprised of industrial control computer, detector, IO interface board, servo-control system, hydraulic buttery valve, sensing system, power-supply system etc.The concise and to the point description of Control the content has: general supply powers on, Hydraulic Station main pump start-stop control, spindle operation control, interior ring swelling collet swelling operation, radial loaded and axial load operation, hoistable platform control etc.; Control detects diagnostic software and controls each action according to detecting machine work run chart, and simple interface is simple to operate, realizes automatically sampling, diagnostic function.Be about 2～3 minutes the averaging time of detecting a cover bearing.By Human Machine Interface, bearing detects only needs a people to operate, simple, reliable, has greatly improved work efficiency.
Wide for the rolling bearing specification limit that makes detection, scope reaches: bearing bore diameter: Φ 80mm＜=Dn＜=Φ 180mm, bearing outside diameter: Φ 190mm＜=Dw＜=Φ 340mm, bearing width: 40mm＜=B＜=110mm.Adopt following method: according to the rolling bearing of different size, size value according to its concrete bearing outside diameter, bearing bore diameter, bearing width, configure the bearing seat 45 of each specification and the expansion sleeve type collet assembly 3 of each specification, the corresponding replacing before detection, thus realization is to positioning and clamping, the signals collecting of this specification bearing.Use simultaneously special-purpose lifting table 5, the bearing of each specification is elevated to required height.Wherein:
Use special-purpose lifting table 5 that the bearing of each specification is elevated to required height, be achieved by the following measures: lifting table 5 adopts the cantilever mesa structure, be positioned at the right of support 1, drive through ball-screw 51 by servomotor 52, move up and down along the linear guides 53 on the right sidewall that is installed in support 1; Linear guides 53 usefulness screw threads are fixed on sidewall both sides, support 1 the right, the limit of keeping right, the back side that ball guide screw nat 51 and servomotor 52 thereof are installed in support 1, and ball-screw 51 is connected with lifting table 5 usefulness pair of nut, drives lifting table 5 and realizes liftings.Lifting table 5 height and positions are by the automatically control of control detection diagnostic system III, adjustment in the computing machine, by the Computer display height value.By Software for Design, hoistable platform has automatic resetting and height and position memory function, realizes fast loading and unloading.Configuration hand feed supporting plate 54 on lifting table 5 table tops, and V-type groove (being parallel to main shaft) is set.Hand the moving of forward then advances supporting plate 54, makes things convenient for bearing to install on the expansion sleeve type collet assembly 3.Oppositely hand moving then return supporting plate 54.Lifting table 5 modular constructions designs makes the bearing of various outer diameter, by lifting table 5 height control, bearing is raised to corresponding expansion sleeve type collet assembly 3 before, easily push installation by hand feed supporting plate 54, thereby widened detection bearing size scope; Substantially contained the most of bearing on the present domestic locomotive.
Easy to loading and unloading in order to realize bearing, improve automation degree of equipment, and simple to operate.Adopt following method: expand the function that automatically control detects the diagnostic system III, under its control, use expansion sleeve type collet assembly 3 forms a complete set of with rotary oil cylinder 24, servomotor 52 forms a complete set of with lifting table 5.Wherein: expansion sleeve type collet assembly 3 and rotary oil cylinder 24 combinations: they all are installed in the axis system 2, rotary oil cylinder 24 is installed in the tail end of main shaft, expansion sleeve type collet assembly 3 is installed in front-end of spindle, pull bar 26 1 ends are fixed on the cylinder piston rod, the other end is connected to expansion sleeve type collet assembly 3 by inner hole of spindle, forms fast forming a complete set of of location, assembling bearing.Servomotor 52 forms a complete set of with lifting table 5 and sees above the description of face paragraph.These two combinations have realized detected bearing carrying, easy to loading and unloading.
Claims (6)
1. rolling bearing fault pick-up unit, comprise support (1) and be fixed on main frame (I) on the described support (1), it is characterized in that, described main frame (I) comprises axis system (2), expansion sleeve type collet assembly (3), charging assembly (4) and lifting table (5), and described expansion sleeve type collet assembly (3) is installed in main shaft (25) one ends of described axis system (2); Described charging assembly (4) is fixed under the described expansion sleeve type collet assembly (3), and contacts with bearing to be measured; Described lifting table (5) is arranged on described support (1) one side, when loading described bearing, drives described bearing and moves up, and described bearing is loaded on the described expansion sleeve type collet assembly (3).
2. rolling bearing fault pick-up unit according to claim 1, it is characterized in that, described axis system comprises the first servomotor (21), two synchronous pulleys (22), Timing Belt (23), rotary oil cylinder (24), main shaft (25), pull bar (26), the phonic wheel that tests the speed (27), described rotary oil cylinder (24) is installed in described main shaft (25) tail end, and described main shaft (25) front end is equipped with described expansion sleeve type collet assembly (3); Described pull bar (26) one ends are fixedly connected with the piston rod of described rotary oil cylinder (24), and the other end is connected with described expansion sleeve type collet assembly (3) by the endoporus of main shaft (25); Described the first synchronous pulley (22) is fixed on the axle of described the first servomotor (21), described the first synchronous pulley (22) drives the second synchronous pulley (22) that is fixed on the described main shaft (25) by described Timing Belt (23), described the second synchronous pulley (22) drives described main shaft (25) and rotates; The described phonic wheel that tests the speed (27) is installed on the described main shaft (25), is fixed with speed probe (6) on described support (1) rear wall, and the test the speed gap of tooth of the sensitive part of described speed probe (6) and the described phonic wheel that tests the speed (27) is 0.5～1.5mm.
3. rolling bearing fault pick-up unit according to claim 1, it is characterized in that, described charging assembly (4) comprises that load cylinder (41), guide type shoe (42) and signals collecting load seat (43), described signals collecting loads seat (43) and comprises Connection Block (44), bearing seat (45), and described Connection Block (44) two ends respectively are fixed with the guide pole (46) that an energy moves up and down along described guide type shoe (42); Described Connection Block (44) lower end is connected by the piston rod of bearing pin with described load cylinder (41), described guide type shoe (42) is fixed on described Connection Block (44) below, described bearing seat (45) is fixed on the described Connection Block (44), described bearing seat (45) upper end contacts with described bearing, and described bearing seat both sides are fixed with sensor (7).
4. rolling bearing fault pick-up unit according to claim 1, it is characterized in that, be fixed with the second servomotor (52) on the described support (1), described the second servomotor (52) drives described lifting table (5) by ball screw (51) and moves up and down along the linear guides (53) on described support (1) sidewall; Be provided with hand feed supporting plate (54) on described lifting table (5) table top, described hand feed supporting plate (54) is provided with the V-shaped groove that is parallel to described main shaft (25), and described hand feed supporting plate (54) is connected by the manual rocking bar of gearing with described lifting table (5) side.
5. rolling bearing fault pick-up unit according to claim 2 is characterized in that, the described phonic wheel that tests the speed is with 200 equally distributed teeth that test the speed.
6. rolling bearing fault pick-up unit according to claim 2 is characterized in that, the diameter of bore of described main shaft (25) is 39mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105577586A CN103076173A (en) | 2012-12-20 | 2012-12-20 | Rolling bearing fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105577586A CN103076173A (en) | 2012-12-20 | 2012-12-20 | Rolling bearing fault detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103076173A true CN103076173A (en) | 2013-05-01 |
Family
ID=48152778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105577586A Pending CN103076173A (en) | 2012-12-20 | 2012-12-20 | Rolling bearing fault detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103076173A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374470A (en) * | 2014-12-08 | 2015-02-25 | 宁夏大学 | Noise detection and fault diagnosis platform for rolling bearings |
| CN104849038A (en) * | 2015-05-25 | 2015-08-19 | 曼斯顿电梯(浙江)有限公司 | Automatic clamping pulley inspection machine |
| CN105043761A (en) * | 2015-06-30 | 2015-11-11 | 株洲南车时代电气股份有限公司 | Locomotive locking shaft fault diagnosis method |
| CN105928706A (en) * | 2016-04-22 | 2016-09-07 | 中国地质大学（武汉） | Vertical drilling machine crossbeam rolling bearing fault diagnosis simulation experiment device |
| CN106017927A (en) * | 2016-05-18 | 2016-10-12 | 唐智科技湖南发展有限公司 | Holder fault diagnosis method for recognizing spacing changes of bearing rollers |
| CN108106838A (en) * | 2016-11-24 | 2018-06-01 | 唐智科技湖南发展有限公司 | A kind of time domain complete cycle of mechanical breakdown accurate diagnosis returns and alarm method |
| CN110259582A (en) * | 2019-05-23 | 2019-09-20 | 贵州航天天马机电科技有限公司 | A kind of turboaxle motor power take-off mechanism |
| CN110470478A (en) * | 2019-09-19 | 2019-11-19 | 大连贝林轴承仪器有限公司 | A kind of water pump bearing vibration measuring set and measurement method |
| CN113008557A (en) * | 2021-03-19 | 2021-06-22 | 人本股份有限公司 | Water pump shaft is bearing and is detected frock |
| WO2023137600A1 (en) * | 2022-01-18 | 2023-07-27 | 广州工商学院 | Variable-speed fault diagnosis apparatus for rolling bearing of high-speed locomotive |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1719952A1 (en) * | 1989-06-20 | 1992-03-15 | Войсковая часть 75360 | Rolling-contact bearing testing device |
| CN2105685U (en) * | 1990-10-15 | 1992-05-27 | 航空航天工业部第六○八研究所 | Tester of rolling bearing of carriage wheel |
| JPH112239A (en) * | 1997-06-13 | 1999-01-06 | Nippon Seiko Kk | Device to measure various property of rolling bearing |
| CN101526422A (en) * | 2009-04-10 | 2009-09-09 | 三峡大学 | Synthesized bearing fault simulation test bed |
| CN203011694U (en) * | 2012-12-20 | 2013-06-19 | 唐德尧 | Fault detection apparatus for rolling bearing |
-
2012
- 2012-12-20 CN CN2012105577586A patent/CN103076173A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1719952A1 (en) * | 1989-06-20 | 1992-03-15 | Войсковая часть 75360 | Rolling-contact bearing testing device |
| CN2105685U (en) * | 1990-10-15 | 1992-05-27 | 航空航天工业部第六○八研究所 | Tester of rolling bearing of carriage wheel |
| JPH112239A (en) * | 1997-06-13 | 1999-01-06 | Nippon Seiko Kk | Device to measure various property of rolling bearing |
| CN101526422A (en) * | 2009-04-10 | 2009-09-09 | 三峡大学 | Synthesized bearing fault simulation test bed |
| CN203011694U (en) * | 2012-12-20 | 2013-06-19 | 唐德尧 | Fault detection apparatus for rolling bearing |
Non-Patent Citations (1)
| Title |
|---|
| 李小勇等: "单套机车轴承检测机的结构设计", 《机车电传动》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374470A (en) * | 2014-12-08 | 2015-02-25 | 宁夏大学 | Noise detection and fault diagnosis platform for rolling bearings |
| CN104374470B (en) * | 2014-12-08 | 2017-12-29 | 宁夏大学 | Noise of Rolling Bearing detects and fault diagnosis platform |
| CN104849038A (en) * | 2015-05-25 | 2015-08-19 | 曼斯顿电梯(浙江)有限公司 | Automatic clamping pulley inspection machine |
| CN105043761B (en) * | 2015-06-30 | 2017-10-27 | 株洲南车时代电气股份有限公司 | A kind of locomotive lock shaft method for diagnosing faults |
| CN105043761A (en) * | 2015-06-30 | 2015-11-11 | 株洲南车时代电气股份有限公司 | Locomotive locking shaft fault diagnosis method |
| CN105928706A (en) * | 2016-04-22 | 2016-09-07 | 中国地质大学（武汉） | Vertical drilling machine crossbeam rolling bearing fault diagnosis simulation experiment device |
| CN106017927A (en) * | 2016-05-18 | 2016-10-12 | 唐智科技湖南发展有限公司 | Holder fault diagnosis method for recognizing spacing changes of bearing rollers |
| CN106017927B (en) * | 2016-05-18 | 2018-09-11 | 唐智科技湖南发展有限公司 | A kind of retainer method for diagnosing faults of identification bearing roller spacing variation |
| CN108106838A (en) * | 2016-11-24 | 2018-06-01 | 唐智科技湖南发展有限公司 | A kind of time domain complete cycle of mechanical breakdown accurate diagnosis returns and alarm method |
| CN110259582A (en) * | 2019-05-23 | 2019-09-20 | 贵州航天天马机电科技有限公司 | A kind of turboaxle motor power take-off mechanism |
| CN110470478A (en) * | 2019-09-19 | 2019-11-19 | 大连贝林轴承仪器有限公司 | A kind of water pump bearing vibration measuring set and measurement method |
| CN113008557A (en) * | 2021-03-19 | 2021-06-22 | 人本股份有限公司 | Water pump shaft is bearing and is detected frock |
| WO2023137600A1 (en) * | 2022-01-18 | 2023-07-27 | 广州工商学院 | Variable-speed fault diagnosis apparatus for rolling bearing of high-speed locomotive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103076173A (en) | Rolling bearing fault detection device | |
| CN102620929B (en) | Device and method for testing precision retaining ability of ball screw assembly | |
| CN102410923B (en) | Rigid and non-linear relation testing device and method of cylindrical fit joint surface | |
| CN112161803B (en) | Rolling bearing life-span energy consumption testing machine under combined load | |
| CN203203556U (en) | Shaft-category part detection device | |
| CN203011694U (en) | Fault detection apparatus for rolling bearing | |
| CN202648940U (en) | Ball screw assembly precision retentivity testing apparatus | |
| CN108827635A (en) | A kind of rolling bearing engaging portion static characteristic measuring device and method | |
| CN203993160U (en) | For the precision rotating device of jumbo | |
| CN105067467B (en) | A kind of joint curved surface faying face friction and wear characteristic test device and test method | |
| CN106813922A (en) | Dynamic transmission error of gear measuring method and measurement apparatus | |
| CN102252840B (en) | Tester of fault diagnosis of rotating machinery with closed power | |
| CN102445340A (en) | Loading running-in device for ball screw pair and running-in testing method thereof | |
| CN204881526U (en) | Multi -functional detecting system of non -contact wheel | |
| CN101825427B (en) | Drive hub bearing unit assembly clearance measurement method | |
| CN105115422B (en) | Non-contact wheel multifunctional examining examining system | |
| CN102384845B (en) | On-line loading test stand shift mechanism of manual transmission | |
| CN106370140A (en) | Locating device for measuring tubular parts | |
| CN103278130A (en) | Clutch friction plate flatness testing equipment and using method thereof | |
| CN201841489U (en) | Crankshaft flywheel positioning device | |
| CN217453219U (en) | Main shaft rotation error measuring device | |
| CN103776331A (en) | Apparatus and method for detecting the radial runout of shaft component | |
| CN111515755B (en) | Guide rail performance test system | |
| CN210037208U (en) | Rolling bearing fatigue life data acquisition device | |
| CN209992173U (en) | Automobile water pump shaft connection bearing testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130501 |