CN102962189A - Vibration exciter - Google Patents
Vibration exciter Download PDFInfo
- Publication number
- CN102962189A CN102962189A CN2012105398745A CN201210539874A CN102962189A CN 102962189 A CN102962189 A CN 102962189A CN 2012105398745 A CN2012105398745 A CN 2012105398745A CN 201210539874 A CN201210539874 A CN 201210539874A CN 102962189 A CN102962189 A CN 102962189A
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- bearing
- outer ring
- mounting hole
- bearing outer
- motor
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Abstract
The invention discloses a vibration exciter, and relates to the technical field of vibration aging equipment. The vibration exciter comprises an eccentric box with an eccentric shaft, and a permanent magnet direct current motor with a motor shaft, wherein the eccentric shaft and the motor shaft are both sleeved with bearings; bearing outer rings of the bearings are respectively inserted in bearing mounting holes; rubber rings are arranged between the bearing mounting hole walls and the bearing outer rings; positioning tables are arranged in the bearing mounting holes at the ends of the bearings, and are propped against the inner end faces of the bearing outer rings; bearing caps are arranged on the other ends of the bearings, and are provided with sleeve parts that are extended into the bearing mounting holes and pressed and connected with outer end faces of the bearing outer rings. Compared with the prior art, after use for 10000 hours, the bearing outer rings are not crept or run away; the service life of the vibration exciter is prolonged to 10000 hours from the original 500 hours; and the failure rate is reduced from 40% to 1%.
Description
Technical field
The present invention relates to the oscillating aging equipment technical field, especially a kind of vibrator for oscillating aging.
Background technology
Vibrator is one of vitals of vibration ageing device, vibrator comprises eccentric case and the permanent magnet DC motor that is connected with described eccentric case, eccentric case has eccentric eccentric shaft is housed, and described eccentric shaft is supported on respectively on the axle bearing of described eccentric case by bearing; Described eccentric shaft is connected with the motor shaft that rotor is housed of described permanent magnet DC motor, and described motor shaft is supported on respectively on the forward and backward electric motor end cap by bearing.During work, the rotation of the motor shaft by permanent magnet DC motor drives the eccentric wheel rotation of eccentric case inside, produces exciting force, workpiece is carried out oscillating aging process.Permanent magnet DC motor be one can speed governing high-speed electric expreess locomotive, its rotating speed is up to 10000 rev/mins, correspondingly eccentric case also is the eccentric stiffener of a High Rotation Speed.A kind of vibrator is arranged, it is by being located at respectively described eccentric shaft and being connected the bearing installation shaft and the bearing inner race described bearing of motor shaft and being connected that the eccentric case of this vibrator is connected with permanent magnet DC motor, the bearing outer ring of the described bearing of described eccentric shaft and described motor shaft is inserted in the bearing mounting hole of axle bearing and forward and backward electric motor end cap respectively, be provided with the rubber ring that prevents the bearing outer ring creep between described bearing outer ring and the described bearing mounting hole hole wall, described rubber ring is installed in the annular groove of described bearing mounting hole hole wall, as shown in Figure 1.In use there is following deficiency in this vibrator: 1, because permanent magnet DC motor is high-speed electric expreess locomotive, in order to prevent heating, cooperating between bearing and the bearing mounting hole is matched in clearance; Vibrator is after using about 500 hours, and rubber ring can be worn, and at this moment, the gap of bearing and bearing mounting hole is with regard to corresponding increase, and creep will appear in bearing outer ring, when serious even the generation bearing circle phenomenon of acting as a travelling agent; 2, bearing outer ring creep and bearing occur and act as a travelling agent after the circle phenomenon, the rotating speed of vibrator can be unstable, the difficult quality guarantee of oscillating aging; If 3 rubber rings that do not upgrade in time can cause the wearing and tearing of bearing mounting hole hole wall, so that vibrator is scrapped; 4, in the fault rate of vibrator statistics, cause that by the bearing outer ring creep fault of acting as a travelling agent bearing circle producing accounts for 40%.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of vibrator that can effectively prevent the bearing outer ring creep.
In order to address the above problem, the technical solution used in the present invention is: this vibrator comprises the eccentric case that eccentric shaft is housed and the permanent magnet DC motor that motor shaft is housed, described eccentric shaft and described motor shaft all are set with bearing, the bearing outer ring of described bearing is inserted in the bearing mounting hole respectively, be provided with rubber ring between described bearing mounting hole hole wall and the described bearing outer ring, end in described bearing in described bearing mounting hole is provided with positioning table, and the inner face of described positioning table and described bearing outer ring connects; The other end of described bearing is provided with bearing cap, and described bearing cap has the sleeve part that stretches into the outer face of the described bearing outer ring of crimping in the described bearing mounting hole.
Above-mentioned vibrator, technical scheme can also be more specifically: be provided with packing ring between the outer face of described bearing outer ring and the described sleeve part.
Further, described packing ring is wave washer.
Owing to adopted technique scheme, the present invention compared with prior art has following beneficial effect: owing to be equipped with positioning table in bearings mounted part bearing mounting hole, at the other end of bearing outer ring the bearing cap that is provided with the sleeve part of the outer face crimping of bearing outer ring is housed, can prevent like this bearing outer ring creep even bearing act as a travelling agent circle problem; The border result of use is added up factually, vibrator used after 10000 hours, dismounting is observed, creep and the circle phenomenon of acting as a travelling agent all do not occur in bearing outer ring, brought up to 10000 hour from original 500 hours the service life of vibrator, improve 20 times, dropped to 1% because the bearing outer ring creep of vibrator causes the act as a travelling agent vibrator fault rate of circle of bearing from 40%.
Description of drawings
Fig. 1 is the schematic diagram of bearing in bearing mounting hole of prior art.
Fig. 2 is the structural representation of the embodiment of the invention.
Fig. 3 is the partial enlarged drawing at the A place of Fig. 2.
Number in the figure explanation: rubber ring 1, positioning table 2, packing ring 3, front-end bearing pedestal 4, rear bearing block 5, front motor end cap 6, rear motor end cap 7.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing embodiment:
As shown in Figure 1 be the vibrator of prior art, this vibrator comprises eccentric case and the permanent magnet DC motor that is connected with eccentric case, permanent magnet DC motor all is to be connected with the inner ring of bearing by being contained in respectively the bearing installation shaft that motor shaft is connected with eccentric shaft with being connected case, the bearing outer ring of eccentric shaft bearing is inserted into respectively in the bearing mounting hole of front-end bearing pedestal 4 and front-end bearing pedestal 5, and the bearing outer ring of the bearing of motor shaft is inserted into respectively in the bearing mounting hole of front motor end cap 6 and rear motor end cap 7; The rubber ring 1 that prevents the bearing outer ring creep is housed between bearing outer ring and the bearing mounting hole hole wall, and rubber ring 1 is installed in the annular groove of bearing mounting hole hole wall.Because permanent magnet DC motor is high-speed electric expreess locomotive, in order to prevent heating, cooperating between bearing and the bearing mounting hole is matched in clearance; Vibrator is after using about 500 hours, and rubber ring can be worn, and at this moment, the gap of bearing and bearing mounting hole is with regard to corresponding increase, and bearing outer ring creep will occur and act as a travelling agent the phenomenon of circle.
As Fig. 2, shown in Figure 3 be the vibrator of the embodiment of the invention, this vibrator comprises the eccentric case that eccentric shaft is housed and the permanent magnet DC motor that motor shaft is housed, eccentric shaft and motor shaft all are set with bearing, the bearing outer ring of bearing is inserted in the bearing mounting hole of front-end bearing pedestal 4, front-end bearing pedestal 5, front motor end cap 6 and rear motor end cap 7 respectively, rubber ring 1 is housed between bearing mounting hole hole wall and the bearing outer ring, and rubber ring 1 is installed in the annular groove of bearing mounting hole hole wall; End in bearing in bearing mounting hole is provided with positioning table 2, and positioning table 2 connects with the inner face of bearing outer ring; The other end of bearing is equipped with bearing cap; Four bearing caps are contained on front-end bearing pedestal 4, front-end bearing pedestal 5, front motor end cap 6 and the rear motor end cap 7 by bolt respectively; Bearing cap has the sleeve part that stretches in the bearing mounting hole, between the sleeve part of bearing cap and the outer face of bearing outer ring packing ring 3 is housed, the outer face phase crimping of the sleeve part of bearing cap and packing ring 3, and packing ring 3 is preferably wave washer.
Owing in the bearing mounting hole of bearings mounted front-end bearing pedestal 4, front-end bearing pedestal 5, front motor end cap 6 and rear motor end cap 7, be equipped with positioning table 2, and be equipped with at the other end of bearing outer ring and be provided with and the packing ring 3 of the outer face crimping of bearing outer ring and the sleeve part of bearing cap, like this can the compression axis bearing outer-ring, prevent bearing outer ring creep even bearing act as a travelling agent circle phenomenon; The border result of use is added up factually, vibrator used after 10000 hours, dismounting is observed, creep does not occur in bearing outer ring, brought up to 10000 hour from original 500 hours the service life of vibrator, improve 20 times, dropped to 1% because the bearing outer ring creep of vibrator causes the act as a travelling agent vibrator fault rate of circle of bearing from 40%.
Claims (3)
1. vibrator, comprise the eccentric case that eccentric shaft is housed and the permanent magnet DC motor that motor shaft is housed, described eccentric shaft and described motor shaft all are set with bearing, the bearing outer ring of described bearing is inserted in the bearing mounting hole respectively, be provided with rubber ring (1) between described bearing mounting hole hole wall and the described bearing outer ring, it is characterized in that: the end in described bearing in described bearing mounting hole is provided with positioning table (2), and described positioning table (2) connects with the inner face of described bearing outer ring; The other end of described bearing is provided with bearing cap, and described bearing cap has the sleeve part that stretches into the outer face of the described bearing outer ring of crimping in the described bearing mounting hole.
2. vibrator according to claim 1 is characterized in that: be provided with packing ring (3) between the outer face of described bearing outer ring and the described sleeve part.
3. vibrator according to claim 2, it is characterized in that: described packing ring (3) is wave washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105398745A CN102962189A (en) | 2012-12-14 | 2012-12-14 | Vibration exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105398745A CN102962189A (en) | 2012-12-14 | 2012-12-14 | Vibration exciter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102962189A true CN102962189A (en) | 2013-03-13 |
Family
ID=47792785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105398745A Pending CN102962189A (en) | 2012-12-14 | 2012-12-14 | Vibration exciter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102962189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425404A (en) * | 2019-08-30 | 2019-11-08 | 苏州绿控新能源科技有限公司 | A kind of lubrication system of new-energy automobile power motor bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201179Y (en) * | 1994-08-09 | 1995-06-21 | 河南安阳煤矿电机厂 | Electric exciting vibrator |
| US20040003671A1 (en) * | 2000-11-22 | 2004-01-08 | Wolfgang Fervers | Readjusting device for an unbalanced mass exciter |
| CN2605935Y (en) * | 2003-01-28 | 2004-03-10 | 郑州海来能源科技有限公司 | Vibrating source |
| CN201261010Y (en) * | 2008-08-29 | 2009-06-24 | 上海宝钢设备检修有限公司 | Dual-spindle circular vibration exciter |
| US20100147106A1 (en) * | 2008-12-17 | 2010-06-17 | Gm Global Technology Operations, Inc. | Dual clutch multi-speed transmission |
| CN202962818U (en) * | 2012-12-14 | 2013-06-05 | 南宁市神华振动时效技术研究所 | Vibration exciter |
-
2012
- 2012-12-14 CN CN2012105398745A patent/CN102962189A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201179Y (en) * | 1994-08-09 | 1995-06-21 | 河南安阳煤矿电机厂 | Electric exciting vibrator |
| US20040003671A1 (en) * | 2000-11-22 | 2004-01-08 | Wolfgang Fervers | Readjusting device for an unbalanced mass exciter |
| CN2605935Y (en) * | 2003-01-28 | 2004-03-10 | 郑州海来能源科技有限公司 | Vibrating source |
| CN201261010Y (en) * | 2008-08-29 | 2009-06-24 | 上海宝钢设备检修有限公司 | Dual-spindle circular vibration exciter |
| US20100147106A1 (en) * | 2008-12-17 | 2010-06-17 | Gm Global Technology Operations, Inc. | Dual clutch multi-speed transmission |
| CN202962818U (en) * | 2012-12-14 | 2013-06-05 | 南宁市神华振动时效技术研究所 | Vibration exciter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425404A (en) * | 2019-08-30 | 2019-11-08 | 苏州绿控新能源科技有限公司 | A kind of lubrication system of new-energy automobile power motor bearing |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130313 |