CN102684371B - Three-section type slender explosion-proof vibration motor - Google Patents
Three-section type slender explosion-proof vibration motor Download PDFInfo
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- CN102684371B CN102684371B CN201210171823.1A CN201210171823A CN102684371B CN 102684371 B CN102684371 B CN 102684371B CN 201210171823 A CN201210171823 A CN 201210171823A CN 102684371 B CN102684371 B CN 102684371B
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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
Wide span exciter can improve separating effect and improve fractional dose, and especially at oil industry, the vibration generator of large span is conducive to improve mud capacity and solid-liquid separation effect.
General microscler shock electric machine, its structure as shown in Figure 1.Increase due to span, for guaranteeing that axial amount of deflection is in allowed band, must increase the rigidity of motor vibrating shaft, therefore, have to adopt the structure of multi-support axle, so there is unavoidably the redundant structure of multi-support axle, as shown in Figure 2, twice redundant structure beam, its stressing conditions is very undesirable, and this structure is all very high to manufacture, installation and instructions for use, is all difficult to guarantee when static load, on the vibrating machine under strong machinery noise background still more, its dynamic load stressed just more severe.When exciting force further requires increasing and compass screen surface further to require broadening, problem is just more outstanding.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is that prior art scheme is improved and improved, and a kind of syllogic slender type explosion-proof shaking generator is provided, and to reach, to improve electric machine main shaft stressed, improves power matter and compare object.For this reason, the present invention takes following technical scheme.
A kind of syllogic slender type explosion-proof shaking generator, in comprising, be provided with fire-proof motor casing, be symmetrically set in the support at casing two ends, fire-proof motor comprise middle part wear the rotor of rotating shaft, with the line stator of casing interference fit, it is characterized in that: rotating shaft both sides are socketed explosion-proof bearing enclosure inner ring, 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 Shaft that explosion-proof bearing enclosure inner ring is hollow, explosion-proof bearing enclosure inner ring and bearing cap matched in clearance form two bands that are staggered, and front band diameter is greater than rear band; Between described casing and support, be provided with top and open the end cap of oil filler point, screw is connected with casing through support, end cap, the front end face of end cap is established towards the bearing chamber at motor middle part, the counterbore that diameter is greater than bearing chamber, in bearing chamber, received cylinder roller bearing, counterbore bottom surface and bearing cap rear end face offset, on counterbore wall, offer retaining groove, retaining groove be embedded with bearing cap be equipped with mutually restrictive axes hold lid axially movable back-up ring; Bearing cap and the explosion-proof bearing enclosure inner ring annular grease container cavity forming towards bearing chamber that matches can enter in roller bearing chamber from annular grease container cavity grease; 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.Vibrating motor shell is divided into three sections, and master and slave eccentric block is established at rotating shaft two ends, shortens the distance between two bearings, reduces the maximum, force of rotating shaft, reduces rotating shaft distortion, solves statically indeterminate problem simultaneously; Screw is connected with casing through support, end cap, and three reliably connects, and improves the reliability of vibrating motor work; Explosion-proof bearing enclosure inner ring produces two bands that are staggered, 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, prevent that bearing grease from flowing into bore of stator from bearing chamber inner.During oiling, fluid directly flows into grease container cavity from the oil filler point of end cap, and roller bearing is lubricated, simple in structure, easy to process, effectively extends the life-span of vibrating motor, avoids roller bearing because of oil starvation, to occur the situations such as interlock.
As the further of technique scheme improved and supplemented, 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, coordinating between alignment pin and casing and support is interference fit, and coordinating between alignment pin and end cap is matched in clearance.Can be conducive to the processing of motor component, and reduce the difficulty of motor assembling.
After bearing cap rear end is outside, extend back, explosion-proof bearing enclosure inner ring rear end external diameter is less than front end, at the bottom of the chamber of annular grease container cavity, by bearing cap and explosion-proof bearing enclosure inner ring, is spliced.
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, adjust after the corner of active eccentric block and driven eccentric block, screw is spirally connected with the screw that initiatively eccentric block is corresponding through the through hole of driven eccentric block.
Support is connected by screw support and covers to seal motor housing, and at casing and end cap, end cap and support, all establish " O " RunddichtringO between support and support lid.Improve the overall sealing performance of motor.
Beneficial effect: vibrating motor shell is divided into three sections, and master and slave eccentric block is established at rotating shaft two ends, shortens the distance between two bearings, reduces the maximum, force of rotating shaft, reduces rotating shaft distortion, solves statically indeterminate problem simultaneously; Screw is connected with support casing through casing support, end cap, and three reliably connects, and improves the reliability of vibrating motor work; Explosion-proof bearing enclosure inner ring produces two bands that are staggered, 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, prevent that bearing grease from flowing into bore of stator from bearing chamber inner.During oiling, fluid directly flows into grease container cavity from the oil filler point of end cap, and roller bearing is lubricated, simple in structure, easy to process, effectively extends the life-span of vibrating motor, avoids roller bearing because of oil starvation, to occur the situations such as interlock.
Accompanying drawing explanation
Fig. 1 is existing slender type vibrating motor structural representation.
Fig. 2 is the stressed schematic diagram of existing slender type vibrating motor rotating shaft.
Fig. 3 is sectional structure schematic diagram of the present invention.
Fig. 4 is perspective view of the present invention.
Fig. 5 is explosion structural representation of the present invention.
In 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 described in further detail.
As shown in Fig. 3,4,5, in the present invention includes, be provided with fire-proof motor 6 casing 1, be symmetrically set in the support 2 at casing 1 two ends, fire-proof motor 6 comprise 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 socketed explosion-proof bearing enclosure inner ring, 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; The Step Shaft that explosion-proof bearing enclosure inner ring 7 is hollow, explosion-proof bearing enclosure inner ring 7 forms two bands that are staggered with bearing cap 11 matched in clearance, and front band diameter is greater than rear band; Between casing 1 and support 2, be provided with top and open the end cap 10 of oil filler point 16, screw is connected with casing 1 through support 2, end cap 10, the front end face of end cap 10 is established the counterbore that is greater than bearing chamber towards the bearing chamber at motor 6 middle parts, diameter, in bearing chamber, received roller bearing 8, counterbore bottom surface and bearing cap 11 rear end faces offset, on counterbore wall, offer retaining groove, retaining groove is embedded with and is equipped with mutually restrictive axes with bearing cap 11 and holds and cover 11 axially movable back-up rings; Bearing cap 11 and explosion-proof bearing enclosure inner ring 7 match and form 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 the forward and backward periphery of end cap 10 matches 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.After bearing cap 11 rear ends are outside, extend back, explosion-proof bearing enclosure inner ring 7 rear end external diameters are less than front end, at the bottom of the chamber of annular grease container cavity 14, by bearing cap 11 and explosion-proof bearing enclosure inner ring 7, are spliced.Initiatively eccentric block 12 and driven eccentric block 13 are fan-shaped, 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, adjust after the corner of active eccentric block 12 and driven eccentric block 13, screw is spirally connected with the screw that initiatively eccentric block 12 is corresponding through the through hole of driven eccentric block 13.At casing 1 and end cap 10, end cap 10 and support 2, all establish " O " RunddichtringO 15 between support 2 and support lid 9.
The adjusting of exciting force; as shown in Figure 3; initiatively on eccentric block 12, one have four positions and be equipped with screw for adjusting the exciting force of motor 6; initiatively eccentric block 12 and driven eccentric block 13 coincidences in primary importance; twist mutually with the screw on active eccentric block 12 in primary importance hole; exciting force is in maximum position 100% place, and exciting force is 3500kg; When twist mutually with the screw on active eccentric block 12 in the second place hole in driven eccentric block 13, now initiatively the angle of eccentric block 12 and driven eccentric block 13 is 38 degree, and exciting force is 88% of maximum exciting force, is equivalent to 3500kg*88%=3100kg; When the 3rd location hole in driven eccentric block 13 is twisted mutually with the screw on active eccentric block 12, now initiatively the angle of eccentric block 12 and driven eccentric block 13 is 108 degree, and exciting force is 57% of maximum exciting force, is equivalent to 3500kg*57%=2000kg; When the 4th location hole in driven eccentric block 13 is twisted mutually with the screw on active eccentric block 12, now initiatively the angle of eccentric block 12 and driven eccentric block 13 is 110 degree, and exciting force is 50% of maximum exciting force, is equivalent to 3500kg*50%=1750kg.
Claims (5)
1. a syllogic slender type explosion-proof shaking generator, in comprising, be provided with the casing (1) of fire-proof motor (6) and be symmetrically set in the support (2) at casing (1) two ends, fire-proof motor (6) comprise middle part wear rotating shaft (4) rotor (5) and with the line stator (3) of casing (1) interference fit, it is characterized in that: rotating shaft (4) both sides are socketed explosion-proof bearing enclosure inner ring, roller bearing (8), end cap (10), initiatively eccentric block (12) and 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; The Step Shaft that explosion-proof bearing enclosure inner ring (7) is hollow, explosion-proof bearing enclosure inner ring (7) forms two bands that are staggered with a bearing cap (11) matched in clearance, and front band diameter is greater than rear band; Between described casing (1) and support (2), be provided with top and open the end cap of oil filler point (16) (10), screw is connected with casing (1) with end cap (10) through support (2), the front end face of end cap (10) is established the counterbore that is greater than bearing chamber towards the bearing chamber at fire-proof motor (6) middle part and diameter, in bearing chamber, received roller bearing (8), counterbore bottom surface and bearing cap (11) rear end face offsets, on counterbore wall, offer retaining groove, retaining groove is embedded with and is equipped with mutually restrictive axes 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) the annular grease container cavity (14) forming towards bearing chamber that matches makes grease enter in 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; The support (2) that is positioned at rotating shaft (4) outside is provided with fixing feet.
2. a kind of syllogic slender type explosion-proof shaking generator 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) and support (2) to realize three's radial location, coordinating between alignment pin and casing and support is interference fit, and coordinating between alignment pin and end cap is matched in clearance.
3. a kind of syllogic slender type explosion-proof shaking generator according to claim 2, it is characterized in that: after bearing cap (11) rear end is outside, extend back, explosion-proof bearing enclosure inner ring (7) rear end external diameter is less than front end, at the bottom of the chamber of annular grease container cavity (14), by bearing cap (11) and explosion-proof bearing enclosure inner ring (7), is spliced.
4. a kind of syllogic slender type explosion-proof shaking generator 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, adjust after the corner of active eccentric block (12) and driven eccentric block (13), screw is spirally connected with the screw that initiatively eccentric block (12) is corresponding through the through hole of driven eccentric block (13).
5. a kind of syllogic slender type explosion-proof shaking generator according to claim 4, it is characterized in that: support (2) is connected by screw support lid (9) to seal motor (6) shell, at casing (1) and end cap (10), end cap (10) and support (2), all establish " O " RunddichtringO (15) between support (2) and support lid (9).
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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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| Application Number | Priority Date | Filing Date | Title |
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| CN201210171823.1A CN102684371B (en) | 2012-05-25 | 2012-05-25 | Three-section type slender explosion-proof vibration motor |
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| CN102684371A CN102684371A (en) | 2012-09-19 |
| CN102684371B true 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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Families Citing this family (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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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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| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007303651A (en) * | 2006-05-15 | 2007-11-22 | Ntn Corp | Bearing device for wheel |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (1)
| Title |
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| JP特开2007-303651A 2007.11.22 |
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