CN109450149B - Long-span vibration motor - Google Patents
Long-span vibration motor Download PDFInfo
- Publication number
- CN109450149B CN109450149B CN201811379944.9A CN201811379944A CN109450149B CN 109450149 B CN109450149 B CN 109450149B CN 201811379944 A CN201811379944 A CN 201811379944A CN 109450149 B CN109450149 B CN 109450149B
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- vibration motor
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- seat
- hole
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- 238000004804 winding Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 238000002347 injection Methods 0.000 description 17
- 239000007924 injection Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 15
- 239000004519 grease Substances 0.000 description 13
- 238000009434 installation Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/061—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a long-span vibration motor, and relates to the field of motors. Most of vibrating motors in the existing market are designed into short-span vibrating motor structures, and in places where long-span vibrating sources are needed, the short-span vibrating motors cannot meet the use requirements. The invention comprises a long-span stand, a stator core with windings, a rotor with a long rotating shaft, 2 inner bearing seats, 2 outer bearing seats and 4 bearings, wherein the inner bearing seats are arranged at the outer sides of two ends of the stator core with windings, 1 group of eccentric blocks are respectively arranged on the rotating shafts at the outer sides of the 2 inner bearing seats, and the 2 outer bearing seats are respectively arranged at the end parts of the rotating shafts at the outer sides of the 2 groups of eccentric blocks and are fixedly connected with the stand. Through the long span frame and the long rotating shaft rotor matched with the same, through 2 inner bearing seats, 2 outer bearing seats and 4 matched bearings, stable rotation support of the long rotating shaft is reliably realized, and the long span vibration motor is effectively realized, so that the use requirement of the long span vibration motor is realized.
Description
Technical Field
The invention relates to the field of vibration motors, in particular to a long-span vibration motor.
Background
Most of vibrating motors in the existing market are designed into short-span vibrating motor structures, and in places where long-span vibration sources are needed for slurry separation in the petroleum industry, the short-span vibrating motor cannot meet the use requirements of clients, separation operation of slurry cannot be processed, and ideal use effect cannot be achieved.
Disclosure of Invention
The technical problem to be solved and the technical task to be put forward in the invention are to perfect and improve the prior art scheme, and provide a long-span vibration motor so as to realize the purpose of the long-span vibration motor. For this purpose, the present invention adopts the following technical scheme.
The long-span vibration motor comprises a long-span base, a winding stator core internally pressed on the base, a rotor with a long rotating shaft, a bearing seat, bearings, eccentric blocks, the bearings and the eccentric blocks, wherein the rotor with the long rotating shaft is positioned in a center hole of the winding stator core, the bearings are internally pressed in the bearing seat, the eccentric blocks are arranged on the rotating shafts at two ends of the rotor, the inner bearing seat is arranged at the outer sides of the two ends of the winding stator core, the eccentric blocks are respectively arranged on the rotating shafts at the outer sides of the 2 inner bearing seats, the 2 outer bearing seats are respectively arranged at the end parts of the rotating shafts at the outer sides of the 2 eccentric blocks and are fixedly connected with the base, the outer bearing seats are provided with outer bearing covers for sealing the bearings and the rotating shafts in the outer bearing seats, and the outer sides of the inner bearing seats are provided with inner bearing covers for sealing the bearings in the inner bearing seats; the top of the machine base is provided with a junction box with a box cover, and a junction plate is arranged in the junction box. Through the long span frame and the long pivot rotor that matches with it, through 2 interior bearing frames, 2 outer bearing frames and 4 bearings that match, realized reliably that the steady rotation to long pivot supports, long span frame matches with long pivot, realized long span vibrating motor effectively, satisfied long span vibrating motor's user demand.
As a further improvement and supplement to the above-mentioned technical solutions, the present invention also includes the following additional technical features.
The machine seat is axially provided with a three-section type through center hole, the three-section type through center hole comprises a middle hole and two outer holes positioned at two ends of the middle hole, the diameters of the two outer holes are larger than those of the middle hole, a step is formed between the two outer holes and the middle hole, the 2 inner bearing seats are abutted against the step and are in interference fit with the inner circumferential surface of the 2 end of the middle hole, and the 2 outer bearing seats are abutted against the 2 outer end surface of the machine seat and are in interference fit with the inner circumferential surface of the 2 outer hole. The three-section hole structure effectively provides the installation and fixation of the inner bearing seat and the outer bearing seat, and can well support the long rotating shaft.
The stator core with windings is pressed in the middle hole of the base, and the outgoing line of the stator core with windings passes through the outgoing line hole arranged in the middle position of the base and is connected to the wiring board in the wiring box. The lead-out wire of the stator core with the winding is led out.
A plurality of screws extend from the exterior of the housing into the interior bearing housing. The position of the inner bearing seat is better fixed.
The machine seat is provided with a threaded hole of the screw, the inner bearing seat is provided with a blind hole, the blind hole is unthreaded, and the diameter of the blind hole is larger than the specification diameter of the screw and is 1mm-4 mm. Through inserting the screw into the inner bearing seat blind hole which is larger than the machine seat threaded hole, the dislocation of the hole position caused by the machining error between the machine seat threaded hole and the inner bearing seat hole can be avoided, the position precision of the screw extending into the inner bearing seat is reduced, and the positioning is more convenient.
The screw is coated with screw fastening glue. The screw can be fastened on the base better.
The rotating shaft is provided with an oil seal inner ring at the axial inner side of each bearing, the oil seal inner ring is positioned between the inner circumferential surface of the bearing seat and the rotating shaft, and the inner ring of the bearing abuts against the end surface of the oil seal inner ring. The sealing effect of the internal and external environments is better.
The outer diameter of the inner ring of the oil seal is larger than that of the inner ring of the bearing. Interference between the bearing inner ring and the bearing seat can be avoided.
Each group of eccentric blocks comprises a first eccentric block arranged on the inner side of the axial direction of the rotating shaft and a second eccentric block arranged on the outer side of the axial direction of the first eccentric block, and the first eccentric block and the second eccentric block are positioned on the rotating shaft through flat keys. The double eccentric block structure has good vibration effect, and the flat key positioning mode conveniently realizes the axial direction fixing between the eccentric block and the rotating shaft.
The first eccentric block and the second eccentric block are respectively provided with half flat key grooves with opposite openings, the rotating shaft is provided with a whole flat key groove, and the flat keys are embedded in the rotating shaft, the first eccentric block and the flat key grooves of the second eccentric block. The flat key positioning structure is conveniently realized.
And an elastic check ring for the shaft is arranged on the axial outer side of the second eccentric block. Effectively preventing the eccentric block from moving outwards in the axial direction.
And an end groove is formed in the end part of the axial outer side of the second eccentric block, the diameter of the end groove is larger than the outer diameter of the oil seal inner ring at the outer side of the end groove, and the distance between the bottom of the end groove and the inner side end surface of the outer bearing seat is larger than the axial width of the oil seal inner ring. The neutral distance between the second eccentric block and the outer oil seal inner ring is effectively increased, and the motor is convenient to maintain, so that enough space is reserved for disassembling the oil seal inner ring and the outer bearing when the outer bearing is disassembled.
The top of the machine base is provided with an oil filling hole penetrating into a bearing chamber of the inner bearing seat from top to bottom, the end of the outer bearing cover is provided with an oil filling hole from outside to inside, and the oil filling hole at the top of the machine base and the oil filling hole of the outer bearing cover are both provided with oil nozzles. And the bearing is convenient to be injected with grease.
The upper end of the oil filling hole on the inner bearing seat is provided with an oil groove, and the diameter of the oil groove is 1.5-2.5 times of the diameter of the oil filling hole. The oil groove can reduce the oil injection difficulty caused by the position difference of the oil injection hole at 2 parts between the inner bearing seat and the engine base, and can be used as an oil buffer groove.
And a buffer oil duct consistent with the axial direction of the bearing is arranged between the top of the bearing chamber of the inner bearing seat and the lower port of the oil filling hole. The grease is injected into the buffer oil duct firstly, then is injected into the bearing chamber through the buffer oil duct, so that the problem that the grease cannot enter the bearing chamber due to the fact that the grease filling hole is positioned on the peripheral surface of the outer ring of the bearing is avoided, and the grease filling effect is good.
The inner bearing cover and the inner bearing seat, the outer bearing cover and the outer bearing seat, the outer bearing seat and the engine base, the wiring board and the junction box and the box cover and the junction box are all fixed through the combined parts of the hexagon socket head cap screw and the matched bowl-shaped gasket. The combined piece of the hexagon socket head cap screw and the matched bowl-shaped gasket is fixed, so that the anti-loosening effect can be effectively achieved, and the fastening effect is good.
O-shaped sealing rings are arranged between the box cover and the junction box, between the outer bearing seat and the machine base, and between the outer bearing cover and the outer bearing seat. The IP performance can be effectively improved.
The beneficial effects are that:
1. through 2 interior bearing frames, 2 outer bearing frames and 4 matched bearings, the stable rotary support of the long rotating shaft is reliably realized, the long-span vibration motor is effectively realized, and the use requirement of the long-span vibration motor is met.
2. The three-section type machine base hole structure can effectively realize the installation and positioning of 2 inner bearing seats and 2 outer bearing seats on the machine base, and has the advantages of simple structure, simple interference fit fixing mode and low cost.
3. The screws extend into holes of the inner bearing seat with the size larger than that of the threaded holes of the base from outside to inside, so that the positioning and fixing of the inner bearing seat are better realized, and the accuracy requirements of the inner hole and the outer hole are reduced.
4. The screw can be better fastened on the machine base by coating the screw with the thread fastening glue.
5. The outer diameter of the oil seal inner ring is larger than that of the inner ring of the bearing, so that interference between the bearing inner ring and the bearing seat can be avoided.
6. The eccentric block is positioned through the flat key, so that the positioning structure is simple and the processing is convenient.
7. The copper drum pair is provided with the end groove at the axial outer side end part of the second eccentric block, so that the neutral distance between the second eccentric block and the outer side oil seal inner ring of the second eccentric block is effectively increased, and the motor is convenient to maintain, and enough space is reserved for placing and disassembling the oil seal inner ring and the outer side bearing when the outer side bearing is disassembled.
8. The oil groove is arranged, so that the difficulty in oil injection caused by the position difference of the oil injection holes at 2 positions between the inner bearing seat and the engine base can be reduced; the buffer oil duct is arranged, so that the problem that the oil cannot enter the bearing chamber due to the fact that the oil filling hole is formed in the peripheral surface of the bearing outer ring is avoided, and the oil filling effect is good.
Drawings
FIG. 1 is a schematic illustration of an isometric structure of the present invention in partial cutaway.
Fig. 2 is an enlarged schematic view of the portion a of fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic view of section B of fig. 1 in accordance with the present invention.
Fig. 4 is a schematic cut-away view of the connection of the eccentric mass to the shaft of the present invention.
In the figure: 1-a stand; 2-winding stator core; 3-rotor; 4-rotating shaft; 5-an inner bearing seat; 6-an outer bearing seat; 7-a bearing; 8-an outer bearing cap; 9-an inner bearing cap; 10-box cover; 11-wiring boards; 12-an oil seal inner ring; 13-a second eccentric mass; 14-a first eccentric mass; 15-screws; 16-flat keys; 17-circlips for shafts; 18-oil nozzle; 101-a junction box; 501-an oil groove; 502-buffer oil duct; 1301-end groove.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the attached drawings.
As shown in fig. 1-4, a long span vibration motor comprises a long span frame 1, a winding stator core 2 internally pressed on the frame 1, a rotor 3 with a long rotating shaft 4 positioned in a central hole of the winding stator core 2, a bearing seat, bearings 7 internally pressed in the bearing seat, eccentric blocks arranged on the rotating shafts 4 at two ends of the rotor 3, wherein the bearing seat comprises 2 inner bearing seats 5 and 2 outer bearing seats 6, the inner bearing seats 5 are arranged at the outer sides of two ends of the winding stator core 2, the eccentric blocks are respectively arranged on the rotating shafts 4 at the outer sides of the 2 inner bearing seats 5, the 2 outer bearing seats 6 are respectively arranged at the end parts of the rotating shafts 4 at the outer sides of the 2 eccentric blocks and are fixedly connected with the frame 1, the outer bearing seats 6 are provided with bearings 7 and rotating shafts 4 in the outer bearing seats 6 except for an outer bearing cover 8, and the outer bearing covers 9 are arranged at the outer sides of the inner bearing seats 5 to cover the bearings 7 in the inner bearing seats 5; the top of the machine base 1 is provided with a junction box 101 with a box cover 10, and a junction plate 11 is arranged in the junction box 101.
In order to facilitate the installation and fixation of the inner bearing seat 5 and the outer bearing seat 6, the machine base 1 is a three-section type through center hole in the axial direction, and comprises a middle hole and two outer holes positioned at two ends of the middle hole, wherein the diameters of the two outer holes are larger than those of the middle hole, a step is formed between the two outer holes and the middle hole, 2 inner bearing seats 5 are abutted against the step and are in interference fit with the inner circumferential surface of the 2 end of the middle hole, and 2 outer bearing seats 6 are abutted against the 2 outer end surface of the machine base 1 and are in interference fit with the inner circumferential surface of the 2 outer hole. The three-section hole structure effectively provides the installation and fixation of the inner bearing seat 5 and the outer bearing seat 6, and can well support the long rotating shaft 4.
In order to facilitate the extraction of the lead-out wires of the winding stator core 2, the winding stator core 2 is pressed in the middle hole of the base 1, and the lead-out wires of the winding stator core 2 pass through the lead-out wire hole arranged in the middle position of the base 1 and are connected to the wiring board 11 in the wiring box 101. The lead-out wire of the stator core 2 with the winding is conveniently led out.
In order to better fix the position of the inner bearing seat 5, the 2 screws 15 are arranged 180 degrees opposite each other and extend from the outside of the machine base 1 into the inner bearing seat 5. The position fixing of the inner bearing housing 5 is better achieved.
For the convenience of processing, be equipped with the screw hole of screw 15 on the frame 1, be equipped with the blind hole on the inner bearing seat 5, the blind hole does not have the screw, and the diameter is greater than the specification diameter 3mm of screw 15. Through inserting the screw 15 into the blind hole of the inner bearing seat 5 which is larger than the threaded hole of the machine seat 1, the dislocation of the hole position caused by the machining error between the threaded hole of the machine seat 1 and the hole of the inner bearing seat 5 can be avoided, the position accuracy of the screw 15 extending into the inner bearing seat 5 is reduced, and the positioning is more convenient.
In order to make the fastening effect of the screw 15 better, the screw 15 is coated with screw fastening glue. The screw 15 can be fastened to the housing 1 better.
In order to achieve a good sealing effect and prevent oil throwing, an oil seal inner ring 12 is arranged on the rotating shaft 4 and positioned at the inner side of each bearing 7 in the axial direction, the oil seal inner ring 12 is positioned between the inner circumferential surface of the bearing seat and the rotating shaft 4, and the inner rings of the bearings 7 are abutted against the end surfaces of the oil seal inner rings 12. Realize better sealed effect of inside and outside environment, effectively prevent to throw oil.
In order to avoid interference, the outer diameter of the oil seal inner ring 12 is 1.3mm larger than the inner ring outer diameter of the bearing 7. The interference between the inner ring of the bearing 7 and the bearing seat can be avoided, and the interference between the bearing seat and the inner ring of the bearing 7 during the disassembly of the bearing seat is avoided.
In order to facilitate the axial positioning of the eccentric blocks, each group of eccentric blocks comprises a first eccentric block 14 arranged on the inner side of the axial direction of the rotating shaft 4 and a second eccentric block 13 arranged on the outer side of the axial direction of the first eccentric block 14, and the first eccentric block 14 and the second eccentric block 13 are positioned on the rotating shaft 4 through a flat key 16. The double eccentric block structure has good vibration effect, and the positioning mode of the flat key 16 conveniently realizes the axial direction fixing between the eccentric block and the rotating shaft 4.
In order to realize the positioning of the flat key 16, the first eccentric block 14 and the second eccentric block 13 are respectively provided with half flat key grooves with opposite openings, the rotating shaft 4 is provided with the whole flat key groove, and the flat key 16 is embedded in the flat key grooves of the rotating shaft 4, the first eccentric block 14 and the second eccentric block 13. Conveniently, the flat key 16 positioning structure is realized.
In order to prevent the axial outward movement, a retainer groove is milled at the axially outer side 2mm of the second eccentric block 13, and a circlip 17 for the shaft is provided in the retainer groove. Effectively preventing the eccentric block from moving outwards in the axial direction.
For convenience of motor maintenance, an end groove 1301 is formed in the axial outer end portion of the second eccentric block 13, the diameter of the end groove 1301 is larger than the outer diameter of the oil seal inner ring 12 on the outer side of the end groove 1301, and the distance between the bottom of the end groove 1301 and the inner side end face of the outer bearing seat 6 is larger than the axial width of the oil seal inner ring 12. The neutral distance between the second eccentric block 13 and the outer oil seal inner ring 12 is effectively increased, so that the motor is convenient to maintain, and enough space is provided for placing and disassembling the oil seal inner ring 12 and the outer bearing 7 when the outer bearing 7 is disassembled.
In order to facilitate grease injection into the bearing 7, the top of the base 1 is provided with an oil injection hole penetrating into the bearing 7 chamber of the inner bearing seat 5 from top to bottom, the end of the outer bearing cover 8 is provided with an oil injection hole from outside to inside, and the oil injection hole at the top of the base 1 and the oil injection hole of the outer bearing cover 8 are both provided with an oil nozzle 18. The bearing 7 is conveniently injected with grease.
In order to realize grease injection buffering, an oil groove 501 is formed in the upper end of the oil injection hole on the inner bearing seat 5, and the diameter of the oil groove 501 is 2 times of the diameter of the oil injection hole. The oil groove 501 can reduce the difficulty in oil injection caused by the position difference of the oil injection holes at the 2 parts between the inner bearing seat 5 and the engine base 1, and can be used as an oil buffer groove.
In order to well realize grease injection into the chamber of the bearing 7, a buffer oil duct 502 consistent with the axial direction of the bearing 7 is arranged between the top of the chamber of the bearing 7 of the inner bearing seat 5 and the lower port of the oil filling hole. The grease is injected into the buffer oil duct 502, and then is injected into the bearing 7 chamber through the buffer oil duct 502, so that the problem that the grease cannot enter the bearing 7 chamber because the grease injection hole is positioned on the peripheral surface of the outer ring of the bearing 7 is avoided, and the grease injection effect is good.
In order to achieve a better fastening effect, the inner bearing cover 9, the inner bearing seat 5, the outer bearing cover 8, the outer bearing seat 6, the base 1, the wiring board 11, the wiring box 101 and the box cover 10 and the wiring box 101 are all fixed through the combined parts of the hexagon socket head cap screw and the matched bowl-shaped gasket. The combined piece of the hexagon socket head cap screw and the matched bowl-shaped gasket is fixed, so that the anti-loosening effect can be effectively achieved, and the fastening effect is good.
In order to effectively improve the IP performance, O-shaped sealing rings are arranged between the box cover 10 and the junction box 101, between the outer bearing seat 6 and the machine base 1 and between the outer bearing cover 8 and the outer bearing seat 6. The IP performance can be effectively improved.
Through the long span frame 1 and the long rotating shaft 4 rotor 3 matched with the same, through 2 inner bearing seats 5, 2 outer bearing seats 6 and 4 matched bearings 7, stable rotation support of the long rotating shaft 4 is reliably realized, the long span vibration motor is effectively realized, and the use requirement of the long span vibration motor is met.
In the example, the screw 15 extending from the outside of the machine base 1 to the inside of the inner bearing base 5 is an M10X39 straight end staring screw 15; the diameter of the oil filling hole is 5mm, the diameter of the oil groove 501 is 10mm, and the depth is 2mm; the end slots 1301 are 90mm in diameter and 12mm deep.
The long-span vibration motor shown in the above fig. 1-4 is a specific embodiment of the present invention, has already demonstrated the substantial characteristics and improvements of the present invention, and can be modified in terms of shape, structure, etc. according to practical use requirements, in the light of the present invention, all of which are within the scope of protection of the present invention.
Claims (16)
1. A long span vibration motor, characterized by: the novel high-speed motor comprises a long-span motor seat (1), a winding stator iron core (2) internally pressed on the motor seat (1), a rotor (3) with a long rotating shaft (4) and a bearing seat, a bearing (7) internally pressed in the bearing seat, and eccentric blocks arranged on the rotating shafts (4) at two ends of the rotor (3), wherein the bearing seat comprises 2 inner bearing seats (5) and 2 outer bearing seats (6), the inner bearing seats (5) are arranged at the outer sides of two ends of the winding stator iron core (2), 2 groups of eccentric blocks are respectively arranged on the rotating shafts (4) at the outer sides of the 2 inner bearing seats (5), the 2 outer bearing seats (6) are respectively arranged at the end parts of the rotating shafts (4) at the outer sides of the 2 groups of eccentric blocks and are fixedly connected with the motor seat (1), the outer bearing seats (6) are provided with outer bearing covers (8) to cover the bearings (7) and the rotating shafts (4) in the outer bearing seats (6), and the outer sides of the inner bearing seats (5) are provided with inner bearing covers (9) to cover the bearings (7) in the inner bearing seats (5); the top of the machine base (1) is provided with a junction box (101) with a box cover (10), and a junction plate (11) is arranged in the junction box (101);
the machine seat (1) is axially a three-section type penetrating center hole and comprises a middle hole and two outer holes positioned at two ends of the middle hole, the diameters of the two outer holes are larger than those of the middle hole, a step is formed between the two outer holes and the middle hole, the 2 inner bearing seats (5) are abutted against the step and are in interference fit with the inner circumferential surface of the 2 end of the middle hole, and the 2 outer bearing seats (6) are abutted against the 2 outer end surface of the machine seat (1) and are in interference fit with the inner circumferential surface of the 2 outer hole.
2. The long span vibration motor of claim 1, wherein: the stator core (2) with the winding is pressed at the middle hole of the machine base (1), and the outgoing line of the stator core (2) with the winding passes through the outgoing line hole arranged at the middle position of the machine base (1) and is connected to the wiring board (11) in the wiring box (101).
3. The long span vibration motor of claim 1, wherein: a plurality of screws (15) extend from the outside of the housing (1) inwardly into the inner bearing housing (5).
4. A long span vibration motor according to claim 3, characterized in that: the machine seat (1) is provided with a threaded hole of the screw (15), the inner bearing seat (5) is provided with a blind hole, the blind hole is unthreaded, and the diameter is larger than the specification diameter of the screw (15) and is between 1mm and 4 mm.
5. A long span vibration motor according to claim 3, characterized in that: the screw (15) is coated with screw fastening glue.
6. The long span vibration motor of claim 1, wherein: the rotating shaft (4) is provided with an oil seal inner ring (12) at the axial inner side of each bearing (7), the oil seal inner ring (12) is positioned between the inner circumferential surface of the bearing seat and the rotating shaft (4), and the inner ring of the bearing (7) abuts against the end surface of the oil seal inner ring (12).
7. The long span vibration motor of claim 6 wherein: the outer diameter of the oil seal inner ring (12) is larger than the inner diameter of the bearing (7).
8. The long span vibration motor of claim 1, wherein: each group of eccentric blocks comprises a first eccentric block (14) arranged on the inner side of the axial direction of the rotating shaft (4) and a second eccentric block (13) arranged on the outer side of the axial direction of the first eccentric block (14), and the first eccentric block (14) and the second eccentric block (13) are positioned on the rotating shaft (4) through a flat key (16).
9. The long span vibration motor of claim 8, wherein: the rotary shaft (4) is provided with a whole flat key groove, and the flat key (16) is embedded in the flat key grooves of the rotary shaft (4), the first eccentric block (14) and the second eccentric block (13).
10. The long span vibration motor of claim 8, wherein: and an elastic retainer ring (17) for the shaft is arranged on the outer side of the second eccentric block (13) in the axial direction.
11. The long span vibration motor of claim 8, wherein: an end groove (1301) is formed in the end portion of the outer side of the second eccentric block (13) in the axial direction, the diameter of the end groove (1301) is larger than the outer diameter of an oil seal inner ring (12) on the outer side of the end groove, and the distance between the bottom of the end groove (1301) and the inner side end face of the outer bearing seat (6) is larger than the axial width of the oil seal inner ring (12).
12. The long span vibration motor of claim 8, wherein: the top of frame (1) be equipped with from last oil filler point that runs through bearing (7) room of interior bearing frame (5), the end of outer bearing cap (8) to be equipped with from outside in the oil filler point, the oil filler point at frame (1) top and the oil filler point of outer bearing cap (8) all be equipped with glib talker (18).
13. The long span vibration motor of claim 12 wherein: the upper end of the inner bearing seat (5) positioned at the oil filling hole is provided with an oil groove (501), and the diameter of the oil groove (501) is 1.5-2.5 times of the diameter of the oil filling hole.
14. The long span vibration motor of claim 12 wherein: and a buffer oil duct (502) consistent with the axial direction of the bearing (7) is arranged between the top of the chamber of the bearing (7) of the inner bearing seat (5) and the lower port of the oil filling hole.
15. The long span vibration motor of claim 1, wherein: the inner bearing cover (9) and the inner bearing seat (5), the outer bearing cover (8) and the outer bearing seat (6), the outer bearing seat (6) and the machine seat (1), the wiring board (11) and the wiring box (101) and the box cover (10) and the wiring box (101) are all fixed through the combined parts of the hexagon socket head cap screw and the matched bowl-shaped gasket.
16. The long span vibration motor of claim 1, wherein: o-shaped sealing rings are arranged between the box cover (10) and the junction box (101), between the outer bearing seat (6) and the machine base (1) and between the outer bearing cover (8) and the outer bearing seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811379944.9A CN109450149B (en) | 2018-11-20 | 2018-11-20 | Long-span vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811379944.9A CN109450149B (en) | 2018-11-20 | 2018-11-20 | Long-span vibration motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109450149A CN109450149A (en) | 2019-03-08 |
| CN109450149B true CN109450149B (en) | 2024-03-22 |
Family
ID=65553212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811379944.9A Active CN109450149B (en) | 2018-11-20 | 2018-11-20 | Long-span vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109450149B (en) |
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Address after: 312300 economic development zone, Shangyu District, Zhejiang, Shaoxing Applicant after: WOLONG ELECTRIC GROUP Co.,Ltd. Applicant after: SHAOXING OLI-WOLONG VIBRATION MACHINERY Co.,Ltd. Address before: 312300 economic development zone, Shangyu District, Zhejiang, Shaoxing Applicant before: WOLONG ELECTRIC GROUP Co.,Ltd. Applicant before: SHAOXING OLI-WOLONG VIBRATION MACHINERY Co.,Ltd. |
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