CN102684371A - Three-section type slender explosion-proof vibration motor - Google Patents
Three-section type slender explosion-proof vibration motor Download PDFInfo
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- CN102684371A CN102684371A CN2012101718231A CN201210171823A CN102684371A CN 102684371 A CN102684371 A CN 102684371A CN 2012101718231 A CN2012101718231 A CN 2012101718231A CN 201210171823 A CN201210171823 A CN 201210171823A CN 102684371 A CN102684371 A CN 102684371A
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Abstract
The invention discloses a three-section type slender explosion-proof vibration motor and relates to a vibration motor. Long exciting motors generally adopt a structure of multiple supporting shafts, and have statically indeterminate beams and high requirements on manufacture, installation and use. The three-section type slender explosion-proof vibration motor is characterized in that two sides of a rotating shaft are sequentially sleeved with an explosion-proof bearing oil seal inner ring, a roller bearing, an end cover, a driving eccentric block and a driven eccentric block; the explosion-proof bearing oil seal inner ring and a bearing cover are in clearance fit to form two staggered sealing strips; the end cover is arranged between a casing and a seat; the bearing cover and the explosion-proof bearing oil seal inner ring are matched to form an annular grease containing cavity facing to a bearing chamber; the middle of the outer circumference of the end cover is provided with a positioning shoulder protruded outwards; the front side and the rear side of the positioning shoulder are abutted against the end surfaces of the casing and the seat, and the front and the rear outer circumferences of the end cover are matched with the inner walls of the casing and the seat respectively. Based on the technical scheme, the distance between two bearings is shortened, the maximal force of the rotating shaft is reduced, the deformation of the rotating shaft is reduced, and the problem of statically indeterminate is solved; and the three-section type slender explosion-proof vibration motor has a simple structure, and is convenient to process.
Description
Technical field
The present invention relates to a kind of vibrating motor.
Background technology
The large span vibration generator can improve separating effect and improve fractional dose, and especially at oil industry, the vibration generator of large span helps improving mud capacity and solid-liquid separation effect.
General microscler shock electric machine, its structure is as shown in Figure 1.Because the increase of span for guaranteeing axial amount of deflection in allowed band, must increase the rigidity of motor vibrating shaft; Therefore, have to adopt the structure of multi-support axle, so occur the redundant structure of multi-support axle unavoidably; As shown in Figure 2, twice redundant structure beam, its stressing conditions are very unfavorable; This structure all is very high to manufacturing, installation and instructions for use; When static load, all being difficult to guarantee, is still more on the vibrating machine under the strong machinery noise background, its dynamic load stressed just more abominable.When exciting force further required increasing and compass screen surface further to require broadening, problem was just more outstanding.
Summary of the invention
The technical problem that the present invention will solve and the technical assignment of proposition are that the prior art scheme is improved and improved, and provide a kind of syllogic slender type explosion-proof vibrating motor, and to improve electric machine main shaft stressed to reach, and improves power matter and compare purpose.For this reason, the present invention takes following technical scheme.
The explosion-proof vibrating motor of a kind of syllogic slender type; Be provided with in comprising fire-proof motor casing, be symmetrically set in the support at casing two ends; Fire-proof motor comprise the middle part wear the rotor of rotating shaft, with the line stator of casing interference fit, it is characterized in that: the rotating shaft both sides are the explosion-proof bearing enclosure inner ring of socket, roller bearing, end cap, initiatively eccentric block, driven eccentric block successively; Be positioned in the rotating shaft of rotor both sides and establish step, explosion-proof bearing enclosure inner ring front end and step offset, and its rear end and roller bearing inner ring offset; The step axle that explosion-proof bearing enclosure inner ring is a hollow, the band that explosion-proof bearing enclosure inner ring and bearing cap matched in clearance formation two interlace, preceding band diameter is greater than the back band; Be provided with the top between described casing and the support and open the end cap of oil filler point; Screw passes support, end cap is connected with casing; The front end face of end cap is established bearing chamber towards motor middle part, the diameter counterbore greater than bearing chamber, has received cylinder roller bearing in the bearing chamber, and counterbore bottom surface and bearing cap rear end face offset; Offer retaining groove on the counterbore wall, retaining groove be embedded with bearing cap be equipped with mutually axes hold the lid axially movable back-up ring; Bearing cap and explosion-proof bearing enclosure inner ring match to form towards the annular grease container cavity of bearing chamber grease can be got in the roller bearing chamber from annular grease container cavity; The location shoulder of evagination is established at the periphery middle part of end cap, and the forward and backward side of location shoulder offsets with casing, support end face respectively, and the forward and backward periphery of end cap matches with casing, inboard wall of base respectively.The vibrating motor shell is divided into three sections, and master and slave eccentric block is established at the rotating shaft two ends, shortens the distance between the two bearings, reduces the maximum, force of rotating shaft, reduces the rotating shaft distortion, solves statically indeterminate problem simultaneously; Screw passes support, end cap is connected with casing, and the three reliably connects, and improves the reliability of vibrating motor work; The band that explosion-proof bearing enclosure inner ring generation two interlaces; Alternative common explosion-proof bearing enclosure inner ring and bearing cap match and produce the structure of a straight-through band; Strengthen the isolation of bearing chamber and motor internal line bore of stator, it is inner to prevent that bearing grease from flowing into bore of stator from bearing chamber.Fluid directly flows into the grease container cavity from the oil filler point of end cap during oiling, and roller bearing is lubricated, and is simple in structure, easy to process, effectively prolongs the life-span of vibrating motor, avoids roller bearing situation such as interlock to occur because of oil starvation.
As the further of technique scheme improved and replenish, the present invention also comprises following additional technical feature.
The periphery of described casing, support and end cap is provided with a plurality of pin-and-holes; Alignment pin inserts in the pin-and-hole of casing, end cap, support to realize three's radial location; Cooperating between alignment pin and casing and the support is interference fit, and cooperating between alignment pin and the end cap is matched in clearance.Can help the processing of motor component, and reduce the difficulty of motor assembling.
Extend back after the bearing cap rear end is outside, explosion-proof bearing enclosure inner ring rear end external diameter is spliced by bearing cap and explosion-proof bearing enclosure inner ring at the bottom of the chamber of annular grease container cavity less than front end.
Described active eccentric block and driven eccentric block are fan-shaped; The circumference of described driven eccentric block is provided with the through hole of a plurality of circumferential array; Counterbore is established in the rear end of through hole; Described active eccentric block is provided with a plurality of screws, and behind the corner of adjustment active eccentric block and driven eccentric block, the through hole that screw passes driven eccentric block is spirally connected with the corresponding screw of active eccentric block.
With the sealing motor housing, at casing and end cap, end cap and support are all established " O " RunddichtringO between support and the support lid to support through the coupling screwing machine flap.Improve the overall sealing performance of motor.
Beneficial effect: the vibrating motor shell is divided into three sections, and master and slave eccentric block is established at the rotating shaft two ends, shortens the distance between the two bearings, reduces the maximum, force of rotating shaft, reduces the rotating shaft distortion, solves statically indeterminate problem simultaneously; Screw passes the casing support, end cap is connected with the support casing, and the three reliably connects, and improves the reliability of vibrating motor work; The band that explosion-proof bearing enclosure inner ring generation two interlaces; Alternative common explosion-proof bearing enclosure inner ring and bearing cap match and produce the structure of a straight-through band; Strengthen the isolation of bearing chamber and motor internal line bore of stator, it is inner to prevent that bearing grease from flowing into bore of stator from bearing chamber.Fluid directly flows into the grease container cavity from the oil filler point of end cap during oiling, and roller bearing is lubricated, and is simple in structure, easy to process, effectively prolongs the life-span of vibrating motor, avoids roller bearing situation such as interlock to occur because of oil starvation.
Description of drawings
Fig. 1 is existing slender type vibrating motor structural representation.
Fig. 2 is the existing stressed sketch map of slender type vibrating motor rotating shaft.
Fig. 3 is a sectional structure sketch map of the present invention.
Fig. 4 is a perspective view of the present invention.
Fig. 5 is an explosion structural representation of the present invention.
Among the figure: casing 1; Support 2; Line stator 3; Rotating shaft 4; Rotor 5; Motor 6; Explosion-proof bearing enclosure inner ring 7; Bearing 8; Support lid 9; End cap 10; Bearing cap 11; Active eccentric block 12; Driven eccentric block 13; Grease container cavity 14; Sealing ring 15; Oil filler point 16; Alignment pin 17.
Embodiment
Below in conjunction with Figure of description technical scheme of the present invention is done further detailed description.
Like Fig. 3,4, shown in 5; Be provided with in the present invention includes fire-proof motor 6 casing 1, be symmetrically set in the support 2 at casing 1 two ends; Fire-proof motor 6 comprise the middle part wear the rotor 5 of rotating shaft 4, with the line stator (3) of casing 1 interference fit, rotating shaft 4 both sides are the explosion-proof bearing enclosure inner ring of socket, roller bearing 8, end cap 10, initiatively eccentric block 12, driven eccentric block 13 successively; Be positioned in the rotating shaft 4 of rotor 5 both sides and establish step, explosion-proof bearing enclosure inner ring 7 front ends and step offset, and its rear end and roller bearing 8 inner rings offset; Explosion-proof bearing enclosure inner ring 7 is the step axle of hollow, the band that explosion-proof bearing enclosure inner ring 7 and bearing cap 11 matched in clearance formation two interlace, and preceding band diameter is greater than the back band; Be provided with the top between casing 1 and the support 2 and open the end cap 10 of oil filler point 16; Screw passes support 2, end cap 10 is connected with casing 1; The front end face of end cap 10 is established towards the bearing chamber at motor 6 middle parts, the diameter counterbore greater than bearing chamber, has received roller bearing 8 in the bearing chamber, and counterbore bottom surface and bearing cap 11 rear end faces offset; Offer retaining groove on the counterbore wall, retaining groove is embedded with and is equipped with axes mutually with bearing cap 11 and holds and cover 11 axially movable back-up rings; Bearing cap 11 matches with explosion-proof bearing enclosure inner ring 7 and forms the annular grease container cavity 14 towards bearing chamber; The location shoulder of evagination is established at the periphery middle part of end cap 10, and the forward and backward side of location shoulder offsets with casing 1, support 2 end faces respectively, and end cap 10 forward and backward peripheries match with casing 1, support 2 inwalls respectively.The periphery of casing 1, support 2 and end cap 10 is provided with a plurality of pin-and-holes, and alignment pin 17 inserts in the pin-and-hole of casings 1, end cap 10, support 2 to realize three's radial location.Extend back after bearing cap 11 rear ends are outside, explosion-proof bearing enclosure inner ring 7 rear end external diameters are spliced by bearing cap 11 and explosion-proof bearing enclosure inner ring 7 at the bottom of the chamber of annular grease container cavity 14 less than front end.Initiatively eccentric block 12 is fan-shaped with driven eccentric block 13; The circumference of driven eccentric block 13 is provided with the through hole of a plurality of circumferential array; Counterbore is established in the rear end of through hole; Initiatively eccentric block 12 is provided with a plurality of screws, and behind the corner of adjustment active eccentric block 12 and driven eccentric block 13, the through hole that screw passes driven eccentric block 13 is spirally connected with active eccentric block 12 corresponding screws.At casing 1 and end cap 10, end cap 10 and support 2 are all established " O " RunddichtringO 15 between support 2 and the support lid 9.
The adjusting of exciting force; As shown in Figure 3; Initiatively one have four positions and be equipped with the exciting force that screw is used to adjust motor 6 on the eccentric block 12, initiatively eccentric block 12 overlaps with driven eccentric block 13 in primary importance, and the primary importance hole is stubborn mutually with the screw on the eccentric block 12 initiatively; Exciting force is in maximum position 100% place, and exciting force is 3500kg; When twisted with the screw on the eccentric block 12 initiatively mutually in the second place hole on the driven eccentric block 13, this moment, initiatively the angle of eccentric block 12 and driven eccentric block 13 was 38 degree, and exciting force is 88% of a maximum exciting force, is equivalent to 3500kg*88%=3100kg; When the 3rd location hole on the driven eccentric block 13 and when initiatively the screw on the eccentric block 12 is twisted mutually, this moment, initiatively the angle of eccentric block 12 and driven eccentric block 13 was 108 degree, and exciting force is 57% of a maximum exciting force, is equivalent to 3500kg*57%=2000kg; When the 4th location hole on the driven eccentric block 13 and when initiatively the screw on the eccentric block 12 is twisted mutually, this moment, initiatively the angle of eccentric block 12 and driven eccentric block 13 was 110 degree, and exciting force is 50% of a maximum exciting force, is equivalent to 3500kg*50%=1750kg.
Claims (5)
1. explosion-proof vibrating motor of syllogic slender type; Be provided with in comprising fire-proof motor (6) casing (1), be symmetrically set in the support (2) at casing (1) two ends; Fire-proof motor (6) comprise the middle part wear the rotor (5) of rotating shaft (4), with the line stator (3) of casing (1) interference fit, it is characterized in that: rotating shaft (4) both sides are the explosion-proof bearing enclosure inner ring of socket, roller bearing (8), end cap (10), initiatively eccentric block (12), driven eccentric block (13) successively; Be positioned in the rotating shaft (4) of rotor (5) both sides and establish step, explosion-proof bearing enclosure inner ring (7) front end and step offset, and its rear end and roller bearing (8) inner ring offsets; Explosion-proof bearing enclosure inner ring (7) is the step axle of hollow, the band that explosion-proof bearing enclosure inner ring (7) and a bearing cap (11) matched in clearance formation two interlace, and preceding band diameter is greater than the back band; Be provided with the top between described casing (1) and the support (2) and open the end cap of oil filler point (16) (10); Screw passes support (2), end cap (10) is connected with casing (1); The front end face of end cap (10) is established bearing chamber towards motor (6) middle part, the diameter counterbore greater than bearing chamber; Received roller bearing (8) in the bearing chamber; Counterbore bottom surface and bearing cap (11) rear end face offsets, and offers retaining groove on the counterbore wall, and retaining groove is embedded with and is equipped with axes mutually with bearing cap (11) and holds the axially movable back-up ring of lid (11); Bearing cap (11) and explosion-proof bearing enclosure inner ring (7) match to form towards the annular grease container cavity (14) of bearing chamber grease can be got in the roller bearing chamber from annular grease container cavity; The location shoulder of evagination is established at the periphery middle part of end cap (10), and the forward and backward side of location shoulder offsets with casing (1), support (2) end face respectively, and the forward and backward periphery of end cap (10) matches with casing (1), support (2) inwall respectively.
2. the explosion-proof vibrating motor of a kind of syllogic slender type according to claim 1; It is characterized in that: the periphery of described casing (1), support (2) and end cap (10) is provided with a plurality of pin-and-holes; Alignment pin (17) inserts in the pin-and-hole of casing (1), end cap (10), support (2) to realize three's radial location; Cooperating between alignment pin and casing and the support is interference fit, and cooperating between alignment pin and the end cap is matched in clearance.
3. the explosion-proof vibrating motor of a kind of syllogic slender type according to claim 2; It is characterized in that: extend back after bearing cap (11) rear end is outside; Explosion-proof bearing enclosure inner ring (7) rear end external diameter is spliced by bearing cap (11) and explosion-proof bearing enclosure inner ring (7) at the bottom of the chamber of annular grease container cavity (14) less than front end.
4. the explosion-proof vibrating motor of a kind of syllogic slender type according to claim 3; It is characterized in that: described active eccentric block (12) and driven eccentric block (13) are fan-shaped; The circumference of described driven eccentric block (13) is provided with the through hole of a plurality of circumferential array; Counterbore is established in the rear end of through hole; Described active eccentric block (12) is provided with a plurality of screws, and behind the corner of adjustment active eccentric block (12) and driven eccentric block (13), the through hole that screw passes driven eccentric block (13) is spirally connected with the corresponding screw of active eccentric block (12).
5. the explosion-proof vibrating motor of a kind of syllogic slender type according to claim 4; It is characterized in that: support (2) passes through coupling screwing machine flap (9) with sealing motor (6) shell; At casing (1) and end cap (10); End cap (10) and support (2) are all established " O " RunddichtringO (15) between support (2) and the support lid (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171823.1A CN102684371B (en) | 2012-05-25 | 2012-05-25 | Three-section type slender explosion-proof vibration motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171823.1A CN102684371B (en) | 2012-05-25 | 2012-05-25 | Three-section type slender explosion-proof vibration motor |
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| CN102684371A true CN102684371A (en) | 2012-09-19 |
| CN102684371B CN102684371B (en) | 2014-08-06 |
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| CN201210171823.1A Active CN102684371B (en) | 2012-05-25 | 2012-05-25 | Three-section type slender explosion-proof vibration motor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501069A (en) * | 2013-10-15 | 2014-01-08 | 安徽巨一自动化装备有限公司 | One-surface two-pin motor assembling structure and assembling mode |
| CN103657999A (en) * | 2013-11-21 | 2014-03-26 | 湖南科技大学 | Vibration device |
| CN107846109A (en) * | 2017-12-19 | 2018-03-27 | 湖北鑫鹰环保科技股份有限公司 | A kind of double-amplitude vibrating motor |
| CN109120099A (en) * | 2018-10-22 | 2019-01-01 | 浙江优力仕机电科技股份有限公司 | The Three-section type slender explosion-proof vibration motor of brake apparatus is set in a kind of |
| CN109450149A (en) * | 2018-11-20 | 2019-03-08 | 卧龙电气集团股份有限公司 | A kind of long span vibrating motor |
| CN109450140A (en) * | 2018-11-20 | 2019-03-08 | 卧龙电气集团股份有限公司 | It is a kind of to use vacuum resin encapsulating line stator vibrating motor and its assembling manufacturing method |
| CN110743771A (en) * | 2019-09-12 | 2020-02-04 | 浙江浙矿重工股份有限公司 | Combined vibration exciter with internal and external eccentric blocks |
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| JP2007303651A (en) * | 2006-05-15 | 2007-11-22 | Ntn Corp | Bearing device for wheel |
| CN201699518U (en) * | 2010-05-27 | 2011-01-05 | 卧龙电气集团股份有限公司 | Eccentric block vibrator for three-segment vibrating motor |
| CN201966735U (en) * | 2010-10-15 | 2011-09-07 | 卧龙电气集团股份有限公司 | Vibration motor with built-in end cover |
| CN202565091U (en) * | 2012-05-25 | 2012-11-28 | 卧龙电气集团股份有限公司 | Three-section elongated explosion-proof vibration motor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007303651A (en) * | 2006-05-15 | 2007-11-22 | Ntn Corp | Bearing device for wheel |
| CN201699518U (en) * | 2010-05-27 | 2011-01-05 | 卧龙电气集团股份有限公司 | Eccentric block vibrator for three-segment vibrating motor |
| CN201966735U (en) * | 2010-10-15 | 2011-09-07 | 卧龙电气集团股份有限公司 | Vibration motor with built-in end cover |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501069A (en) * | 2013-10-15 | 2014-01-08 | 安徽巨一自动化装备有限公司 | One-surface two-pin motor assembling structure and assembling mode |
| CN103657999A (en) * | 2013-11-21 | 2014-03-26 | 湖南科技大学 | Vibration device |
| CN103657999B (en) * | 2013-11-21 | 2015-12-16 | 湖南科技大学 | A kind of vibrating device |
| CN107846109A (en) * | 2017-12-19 | 2018-03-27 | 湖北鑫鹰环保科技股份有限公司 | A kind of double-amplitude vibrating motor |
| CN109120099A (en) * | 2018-10-22 | 2019-01-01 | 浙江优力仕机电科技股份有限公司 | The Three-section type slender explosion-proof vibration motor of brake apparatus is set in a kind of |
| CN109120099B (en) * | 2018-10-22 | 2023-12-01 | 浙江优力仕电驱动科技有限公司 | Three-section type slender explosion-proof vibrating motor with built-in brake device |
| CN109450149A (en) * | 2018-11-20 | 2019-03-08 | 卧龙电气集团股份有限公司 | A kind of long span vibrating motor |
| CN109450140A (en) * | 2018-11-20 | 2019-03-08 | 卧龙电气集团股份有限公司 | It is a kind of to use vacuum resin encapsulating line stator vibrating motor and its assembling manufacturing method |
| CN109450140B (en) * | 2018-11-20 | 2024-03-01 | 卧龙电气驱动集团股份有限公司 | Stator vibration motor adopting vacuum resin encapsulated wires and assembly manufacturing method thereof |
| CN109450149B (en) * | 2018-11-20 | 2024-03-22 | 卧龙电气驱动集团股份有限公司 | Long-span vibration motor |
| CN110743771A (en) * | 2019-09-12 | 2020-02-04 | 浙江浙矿重工股份有限公司 | Combined vibration exciter with internal and external eccentric blocks |
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| CN102684371B (en) | 2014-08-06 |
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