CN103105226B - Pairing bearing vibration signal collection device - Google Patents
Pairing bearing vibration signal collection device Download PDFInfo
- Publication number
- CN103105226B CN103105226B CN201310021136.6A CN201310021136A CN103105226B CN 103105226 B CN103105226 B CN 103105226B CN 201310021136 A CN201310021136 A CN 201310021136A CN 103105226 B CN103105226 B CN 103105226B
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- vibration signal
- main shaft
- spacer ring
- bearings
- bearing
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- Rolling Contact Bearings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a pairing bearing vibration signal collection device which comprises a motor, a motor support seat, a coupler, a main shaft, a locking ring, a locking screw, a loading space ring and two sets of bearings. The motor is fixed on the motor support seat. A motor shaft is connected on the main shaft through the coupler. The main shaft is provided with the locking ring with a connecting flange. The locking ring is provided with the locking screw which is capable of tightly locking the locking ring on the main shaft. The main shaft is further provided with the loading space ring I which is provided with a flange, the flange is opposite to and connected with the flange of the locking ring. The two sets of bearings support the main shaft and are fixed on the same bearing seat. The loading space ring I relatively contacts a bearing inner ring of the loading space ring. The motor support seat and the bearing seat are fixed on the same base seat. Axial loading force of the pairing bearing vibration signal collection device is loaded on the loading pace ring I. The pairing bearing vibration signal collection device effectively avoids interference on vibration signal collection, and the interference is caused by utilizing a plurality of support bearings. The pairing bearing vibration signal collection device has the advantages of being simple in structure and design, small in size, convenient to process and assemble and the like.
Description
Technical field
The present invention relates to a kind of matched bearings vibration signal acquisition device, belong to rolling ball bearing technical field of measurement and test.
Background technology
Vibration signal is an important indicator of a sign bearing operation characteristic.Analyzing the vibration characteristics of rolling ball bearing and further investigate under specific rotation speeds and axial load, is the research method of the assessment quality of bearing and the important means of running status.
Existing rolling ball bearing vibration signal acquisition device adopts complicated kinematic train, usually array spring bearing is adopted in drive shaft system, acceleration transducer is when collecting test bearing vibration signal, the vibration signal of the spring bearing in drive shaft system is also passed to test bearing with transmission shaft, and confuse with the vibration signal of test bearing and test in spectrogram at same, certain interference and difficulty are caused with peeling off to analyze to follow-up signal process.Meanwhile, existing rolling ball bearing vibration signal acquisition device adopts comparatively complicated load maintainer to load test bearing, makes whole signal pickup assembly complex structure, and processing and manufacturing increases with assembling difficulty.
Summary of the invention
For overcoming the defect of prior art, the invention provides a kind of matched bearings vibration signal acquisition device, disturbing little rolling ball bearing vibration signal acquisition device for a kind of, structure is simple simultaneously, and volume is little, processes easy to assembly.
For solving the above technical matters, the invention provides following technical scheme: a kind of matched bearings vibration signal acquisition device, described harvester comprises motor, motor support base, shaft coupling, main shaft, locking circle, lock screw, loading spacer ring and two cover bearings, described motor is fixed on motor support base, and motor shaft connects main shaft by shaft coupling; Described main shaft is provided with the locking circle with joint flange, and described locking circle is provided with can by relative for locking circle retainer flange and tightly on main shaft lock screw; Described main shaft is also provided with and loads spacer ring I, load spacer ring I and have and lock the flange be connected; Described two bearings main shafts, and be fixed on same bearing seat, load spacer ring I and relatively contact with one bearing inner race; Motor support base and bearing seat are fixed on same pedestal; The axial loading force of described harvester loads on and loads spacer ring I.
Further, be provided with between described two bearings and load spacer ring II, load spacer ring II and be fixedly connected with the outer ring of two bearings.
Further, the top of described loading spacer ring is provided with acceleration transducer.
Further, described two cover bearings are rolling ball bearing.
Further, described loading spacer ring I is for having flexible elastomeric material.
This matched bearings vibration signal acquisition device that the present invention relates to, motor drive shaft is rotated under certain speed, two bearings is installed in bearing seat, inner ring is driven to rotate by main shaft, the vibration signal produced in rotation process is caught by acceleration transducer, be converted into voltage signal, and export collection and software section to, realize vibration signal online acquisition.
The present invention is by simple structural design, the function of spring bearing and test bearing is combined, namely namely the pair of bearings in bearing seat is spring bearing, it is again test bearing, effectively avoid and adopt multiple spring bearing to the interference of vibration signals collecting, have that structural design is simple, volume is little, process the advantages such as easy to assembly, can be used for research rotating speed, axial load to rolling ball bearing impact analysis.
Accompanying drawing explanation
Fig. 1 is matched bearings vibration signal acquisition device 3-D view of the present invention;
Fig. 2 is matched bearings vibration signal acquisition device vertical view of the present invention;
Embodiment
As shown in Figure 1-2, bearing signal pickup assembly forms primarily of motor 1, motor support base 2, shaft coupling 3, main shaft 4, locking circle 5, lock screw 6, loading spacer ring I7, bearing cap 8, acceleration transducer 9, bearing 10 and bearing 12, and two bearings are fixed on same set of bearing 13.
For loading the counterweight of axial force, load on and load spacer ring I7, main shaft 4 rotates, and drives locking circle 5 and loads spacer ring I7, loads spacer ring I7 and has extruding force to bearing 10 inner ring, by the barrier effect of bearing cap, applies bearing with axial force.Due to, be also provided with between two bearings and load spacer ring II11, this loading spacer ring II11 closely engages with the outer ring of two bearings, and therefore load spacer ring I7 when applying axial force to bearing 10, bearing 12 also can be subject to identical axial force.
This device supports primarily of two strong points, and one is motor support base 2, and two 1 is bearing seat 13, and device is simplified, and eliminates the possibility of main shaft overdetermination position simultaneously, makes measurement more accurate.
Two bearings be arranged in juxtaposition in main shaft that this apparatus design is arranged side by side, on the one hand for the design feature of rolling ball bearing, consider the stability of device on the other hand.
The top that this device loads spacer ring II11 is provided with acceleration transducer 9, for measuring the vibration signal of pair of bearings under certain rotating speed and axial load.
The present invention's advantage is compared with prior art: the function of spring bearing and test bearing unites two into one by the present invention, namely spring bearing can be used as test bearing simultaneously, eliminate the interference of many groups spring bearing vibration to test bearing vibration signal that existing vibration signal acquisition device adopts, be convenient to follow-up analysis of vibration signal and research.Such structural design makes whole proving installation more simple, use only a bearing seat in whole proving installation, simplifies assembling and test procedure.Simultaneously, prior art loads test bearing often through the load maintainer of complexity, load mode of the present invention is then pre-loaded by counterweight, and by the mode of lock in place on axle, test bearing is carried out to the loading of axial force, avoid and cause the complicated of proving installation structure itself owing to loading.
Embodiment of the present invention does not form the restriction to the application's scope; within every spirit in the present invention's design and principle, any amendment that one of skill in the art can make, equivalent to replace and improvement etc. all should be included within protection scope of the present invention.
Claims (5)
1. a matched bearings vibration signal acquisition device, it is characterized in that, described harvester comprises motor, motor support base, shaft coupling, main shaft, locking circle, lock screw, loading spacer ring and two cover bearings, and described motor is fixed on motor support base, and motor shaft connects main shaft by shaft coupling; Described main shaft is provided with the locking circle with joint flange, and described locking circle is provided with and locking can be enclosed the lock screw lock onto on main shaft; Described main shaft is also provided with and loads spacer ring I, load spacer ring I and have and enclose with locking the flange be connected; Described two cover bearing supports main shaft, and be fixed on same bearing seat, load spacer ring I and relatively contact with one bearing inner race; Motor support base and bearing seat are fixed on same pedestal; The axial loading force of described harvester loads on and loads spacer ring I.
2. matched bearings vibration signal acquisition device according to claim 1, is characterized in that, is provided with and loads spacer ring II, load spacer ring II and be fixedly connected with the outer ring of two bearings between described two cover bearings.
3. matched bearings vibration signal acquisition device according to claim 2, is characterized in that, the top of described loading spacer ring II is provided with acceleration transducer.
4. matched bearings vibration signal acquisition device according to claim 1, is characterized in that, described two cover bearings are rolling ball bearing.
5. matched bearings vibration signal acquisition device according to claim 1, is characterized in that, described loading spacer ring I is for having flexible elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021136.6A CN103105226B (en) | 2013-01-21 | 2013-01-21 | Pairing bearing vibration signal collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021136.6A CN103105226B (en) | 2013-01-21 | 2013-01-21 | Pairing bearing vibration signal collection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103105226A CN103105226A (en) | 2013-05-15 |
| CN103105226B true CN103105226B (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310021136.6A Active CN103105226B (en) | 2013-01-21 | 2013-01-21 | Pairing bearing vibration signal collection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103105226B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106628943B (en) * | 2015-04-21 | 2018-12-14 | 吴联凯 | A kind of control method of the safe emergency flight control system of conveyer |
| CN105651514A (en) * | 2016-03-14 | 2016-06-08 | 兰州空间技术物理研究所 | Comprehensive performance testing device for rolling ball bearing |
| CN106441550A (en) * | 2016-09-13 | 2017-02-22 | 安徽工程大学 | Bearing vibration signal acquisition device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1342890A (en) * | 2000-08-24 | 2002-04-03 | 川崎制铁株式会社 | Vibration testing device of bearing and testing method thereof |
| CN102175412A (en) * | 2011-03-10 | 2011-09-07 | 上海交通大学 | Rotor torsion oscillation testing device and testing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006118869A (en) * | 2004-10-19 | 2006-05-11 | Nsk Ltd | Defect detector for rolling bearing, and defect detection method for the rolling bearing |
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2013
- 2013-01-21 CN CN201310021136.6A patent/CN103105226B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1342890A (en) * | 2000-08-24 | 2002-04-03 | 川崎制铁株式会社 | Vibration testing device of bearing and testing method thereof |
| CN102175412A (en) * | 2011-03-10 | 2011-09-07 | 上海交通大学 | Rotor torsion oscillation testing device and testing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-118869A 2006.05.11 * |
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| Publication number | Publication date |
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| CN103105226A (en) | 2013-05-15 |
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