CN116742892A - Wiper motor for high-speed rail motor train unit - Google Patents
Wiper motor for high-speed rail motor train unit Download PDFInfo
- Publication number
- CN116742892A CN116742892A CN202310544320.2A CN202310544320A CN116742892A CN 116742892 A CN116742892 A CN 116742892A CN 202310544320 A CN202310544320 A CN 202310544320A CN 116742892 A CN116742892 A CN 116742892A
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- China
- Prior art keywords
- motor
- groove
- sealing
- motor rotor
- connecting shaft
- Prior art date
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- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 238000005461 lubrication Methods 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 230000001050 lubricating effect Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 241000271559 Dromaiidae Species 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Abstract
The invention discloses a wiper motor for a high-speed rail motor train unit, and particularly relates to the technical field of wiper motors, which comprises a motor shell, wherein sealing covers are arranged at the left end and the right end of the motor shell, sealing grooves matched with the motor shell are formed in the ends, close to each other, of the two sealing covers, a sealing ring is arranged in the sealing grooves, a motor rotor is jointly arranged between the two sealing covers, a commutator is arranged on the right side of the outer surface of the motor rotor, a supporting plate is arranged at the left end of the sealing cover on the right side, two carbon brushes matched with the commutator are symmetrically arranged at the left end of the supporting plate, and a reciprocating device is arranged at the right end of the sealing cover on the right side. According to the wiper motor for the high-speed rail motor train unit, the design of the reciprocating mechanism is adopted, the service life of the device is prolonged, the tightness of the device is improved, and the design of matching the lubricating groove and the buffer mechanism is adopted, so that the heat dissipation and the lubrication of the device are improved, and the noise of the device during operation is further reduced.
Description
Technical Field
The invention relates to the technical field of wiper motors, in particular to a wiper motor for a high-speed rail motor train unit.
Background
The wiper motor is driven by the motor, and the rotating motion of the motor is converted into the reciprocating motion of the wiper arm through the connecting rod mechanism, so that the wiper action is realized, the motor is generally connected, the wiper can work, the current of the motor can be changed by selecting a high-speed low-speed gear, and the rotating speed of the motor is controlled, so that the wiper arm speed is controlled.
Chinese patent document CN215733830U discloses an intelligent wiper motor, which comprises a base and a motor housing arranged at one side of the base, wherein the upper surface of the base is provided with a binding post, a plurality of wire harnesses are connected between the binding post and the motor housing, the top of the base is provided with a wire harness storage box, the top of the wire harness storage box is rotatably connected with a wire harness storage box cover, the inner side surface of the wire harness storage box cover is provided with an elastic metal buckle relative to the inner side of the wire harness storage box, and the inner wall of one side of the wire harness storage box is provided with an L-shaped metal block corresponding to the elastic metal buckle; through the pencil receiver of design, run through the one end in the pencil receiver outside through promoting L type metal piece, can rotate and open the pencil and accomodate the lid, accomodate its inside with the pencil to protect the pencil, prevent by outside erosion, the extension spring of design simultaneously can make L type metal piece and elasticity metal knot separation, can automatic homing again simultaneously, convenient operation.
The device utilizes motor rotor to reciprocate when using for device life shortens, and the leakproofness is lower, can not lubricate the motor inside in addition, makes the device can not carry out better heat dissipation and lubrication when using, thereby leads to the noise great.
Disclosure of Invention
The invention mainly aims to provide a wiper motor for a high-speed rail motor train unit, which can effectively solve the problems that the service life of a device provided in the background is shortened, the tightness is low, the device cannot lubricate and dissipate heat, and the noise is large.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a high-speed railway EMUs wiper motor, includes the motor casing, both ends all are equipped with sealed lid about the motor casing, two sealed lid one end that is close to each other all offered with the seal groove of motor casing looks adaptation, be equipped with the sealing washer in the seal groove, two jointly be equipped with motor rotor between the sealed lid, motor rotor surface right side is equipped with the commutator, is located the right side sealed lid left end is equipped with the backup pad, backup pad left end symmetry be equipped with two with the carbon brush of commutator looks adaptation, motor casing inner chamber annular array be equipped with a plurality of with motor rotor looks adaptation's permanent magnet, sealed lid right-hand member that is located the right side is equipped with reciprocating device;
the reciprocating device comprises a sealing tube, a worm wheel is arranged in the inner cavity of the sealing tube, a worm meshed with the worm wheel is arranged at the lower portion of the inner surface of the sealing tube, a buffer mechanism is arranged at the left end of the worm, the reciprocating mechanism is arranged at the left end of the buffer mechanism, and a first connecting shaft used for connecting a wiper is arranged at the front end of the worm wheel.
Preferably, the reciprocating mechanism comprises a mounting plate, special-shaped sliding grooves are formed in the right end of the mounting plate, a guide rod is arranged at the output end of a motor rotor, a limit groove is formed in the right end of the guide rod, a fixed block matched with the limit groove is arranged at the output end of the motor rotor, a limiting block is arranged at the right end of the fixed block, a first sliding rod matched with the special-shaped sliding grooves is arranged at the left end of the guide rod, an outer gear ring is arranged at the right end of the mounting plate, a meshing gear meshed with the outer gear ring is arranged at the right end of the mounting plate, an inner gear ring meshed with the meshing gear is arranged at the right end of the mounting plate, a second sliding rod arranged at one side of the center of the mounting plate is away from the lower end of the guide rod, and guide grooves matched with the second sliding rod are symmetrically arranged at the right end of the outer gear ring and the right end of the inner gear ring.
Preferably, the special-shaped sliding groove comprises a first semicircular groove with a notch and a second semicircular groove with a notch, and a connecting groove is formed in one side, close to each other, of the inner cavity of the first semicircular groove and the inner cavity of the second semicircular groove.
Preferably, the first semicircular groove and the second semicircular groove are coaxial with the motor rotor, the diameter of the first semicircular groove is smaller than that of the second semicircular groove, when the first sliding rod is located in the first semicircular groove, the second sliding rod is located in the guide groove at the right end of the inner gear ring, and when the first sliding rod is located in the second semicircular groove, the second sliding rod is located in the guide groove at the right end of the meshing gear.
Preferably, the buffer mechanism comprises a device tube body, a second connecting shaft is arranged on the left side surface of the inner cavity of the device tube body, a clockwork spring is arranged in the device tube body, the other two ends except the upper end and the lower end of the clockwork spring are respectively and fixedly connected with the inner surface of the device tube body and the outer surface of the second connecting shaft, and the second connecting shaft is connected with the worm.
Preferably, when the clockwork spring is in a natural state, the device pipe body does not drive the second connecting shaft to rotate.
Preferably, a first lubrication groove is formed in the left end of the motor rotor connecting shaft, a plurality of first through grooves are formed in the right annular array of the inner cavity of the first lubrication groove, the first lubrication groove penetrates through the motor rotor connecting shaft, the first lubrication groove is communicated with the inside of the device pipe body, a second lubrication groove communicated with the inside of the device pipe body is formed in the left end of the worm, and a plurality of second through grooves are formed in the right annular array of the inner cavity of the second lubrication groove.
Preferably, the connecting shaft of the motor rotor penetrates through the two sealing covers.
Preferably, the left end of the sealing cover and the right side of the outer surface of the sealing pipe are respectively connected with a water inlet pipe communicated with the interior of the first lubrication groove and a water outlet pipe communicated with the interior of the sealing pipe, and a water pump is connected between the water inlet pipe and the water outlet pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the design of the reciprocating mechanism is adopted, through the mutual matching between the first semicircular groove and the second semicircular groove and the first sliding rod, the guiding rod can slide at the right end of the motor rotor connecting shaft, so that the second sliding rod can be mutually matched with the guiding groove at the right end of the inner gear ring and the guiding groove at the right end of the outer gear ring, the guiding rod can respectively drive the inner gear ring or the outer gear ring to rotate when rotating, the motor rotor does not reciprocate when the device works, the service life of the device is prolonged, and through the mutual matching of the sealing ring, the sealing groove and the sealing cover, the sealing device is used for sealing parts in the motor housing, the circuit is prevented from being corroded by rainwater entering the motor housing, and meanwhile, the insulating lubricating oil in the motor housing is prevented from flowing out to cause waste.
2. According to the invention, the design that the lubrication groove is matched with the buffer mechanism is adopted, and the spiral spring is matched with the pipe body and the second connecting shaft of the device, so that the worm can not transmit opposite acting force to the motor rotor when in reverse rotation, thereby damaging the device, improving the stability of the device when in operation, and the device can better dissipate heat and lubricate through the mutual matching of the first lubrication groove and the first through groove and the second lubrication groove and further reducing the noise of the device when in operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the reciprocating device of the present invention;
FIG. 3 is an exploded view of the reciprocating mechanism of the present invention;
FIG. 4 is a schematic plan view of the reciprocator of the present invention;
FIG. 5 is an enlarged view of FIG. 3A in accordance with the present invention;
FIG. 6 is a cross-sectional view of the reciprocating mechanism of the present invention;
FIG. 7 is an enlarged view of the invention at B in FIG. 4;
FIG. 8 is an enlarged view of FIG. 6C in accordance with the present invention;
fig. 9 is a plan view of the reciprocating mechanism when the guide rod of the present invention can drive the ring gear to rotate;
FIG. 10 is a cross-sectional view of the motor rotor connecting shaft and worm of the present invention;
fig. 11 is a schematic structural view of a buffer mechanism according to the present invention.
In the figure: 1. a motor housing; 2. a reciprocating device; 11. sealing cover; 12. sealing grooves; 13. a motor rotor; 14. a first lubrication groove; 141. a second lubrication groove; 15. a first through slot; 151. a second through groove; 16. a commutator; 17. a support plate; 18. a carbon brush; 19. a permanent magnet; 21. sealing the tube; 22. a worm wheel; 23. a worm; 24. a buffer mechanism; 241. a device tube; 242. a second connecting shaft; 243. a clockwork spring; 25. a reciprocating mechanism; 251. a mounting plate; 252. a special-shaped chute; 2521. a first semicircular groove; 2522. a second semicircular groove; 2523. a connecting groove; 253. a guide rod; 254. a limit groove; 255. a fixed block; 256. a limiting block; 257. a first slide bar; 258. an outer ring gear; 259. a meshing gear; 260. an inner gear ring; 261. a second slide bar; 262. a guide groove; 26. a first connecting shaft.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-11, a wiper motor for a high-speed railway motor train unit comprises a motor housing 1, wherein sealing covers 11 are respectively arranged at the left end and the right end of the motor housing 1, the motor housing 1 is connected with two sealing covers 11 through long bolts, sealing grooves 12 matched with the motor housing 1 are respectively formed at one ends of the two sealing covers 11, sealing rings are arranged in the sealing grooves 12, the sealing rings are mutually matched with the sealing grooves 12 and the sealing covers 11, parts inside the motor housing 1 are sealed, rainwater is prevented from entering the motor housing 1 to corrode a circuit, insulating lubricating oil in the motor housing 1 is prevented from flowing out to cause waste, a motor rotor 13 is jointly arranged between the two sealing covers 11, the two sealing covers 11 and the motor rotor 13 are connected in a rotating mode, the motor rotor 13 is of conventional design in the prior art, and a connecting shaft of the motor rotor 13 penetrates through the two sealing covers 11.
Specifically, the right side of the outer surface of the motor rotor 13 is provided with a commutator 16, the connection relation between the motor rotor 13 and the commutator 16 is a fixed connection, the commutator 16 is in the prior art, a wire is connected between the motor rotor 13 and the commutator 16, the connection mode of the wire is a conventional design in the prior art, the left end of a sealing cover 11 positioned on the right side is provided with a supporting plate 17, the connection relation between the sealing cover 11 positioned on the right side and the supporting plate 17 is a fixed connection, the supporting plate 17 is used for mounting carbon brushes 18, the carbon brushes 18 play a supporting role on the carbon brushes 18, the left end of the supporting plate 17 is symmetrically provided with two carbon brushes 18 matched with the commutator 16, the connection relation between the supporting plate 17 and the two carbon brushes 18 is a sliding connection, the mounting mode of the carbon brushes 18 and the wire connection mode are both in the conventional design in the prior art, the annular array of the inner cavity of a motor housing 1 is provided with a plurality of permanent magnets 19 matched with the motor rotor 13, the connection relation between the motor housing 1 and the plurality of permanent magnets 19 is in the conventional design in the prior art, and the mounting mode of the permanent magnets 19 and the right end of the sealing cover positioned on the right side is provided with a reciprocating device 2;
including sealed pipe 21, the relation of connection between sealed lid 11 and the sealed pipe 21 that is located the right side is fixed connection, and sealed pipe 21 is used for worm wheel 22 and worm 23's installation, and sealed pipe 21 inner chamber is equipped with worm wheel 22, and the relation of connection between sealed pipe 21 and the worm wheel 22 is rotation connection, and worm wheel 22 is through mutually supporting with worm 23, first connecting axle 26 for worm 23 drives worm wheel 22 when rotating and rotates, further makes first connecting axle 26 drive the wiper and rotates, thereby scrapes the front windshield of high-speed railway motor car.
Specifically, the worm 23 meshed with the worm wheel 22 is arranged at the lower part of the inner surface of the sealing tube 21, the connection relation between the sealing tube 21 and the worm 23 is rotation connection, the worm 23 is meshed with the worm wheel 22 so as to drive the worm wheel 22 to rotate, a worm wheel and worm gear transmission mode is adopted, the worm wheel 22 cannot drive the worm 23 to rotate, namely, the worm wheel 22 cannot drive the worm 23 to rotate when rotating, damage to the motor rotor 13 is prevented, meanwhile, torque can be increased by utilizing the worm wheel and worm transmission mode, stability of the device in use is improved, a buffer mechanism 24 is arranged at the left end of the worm 23, a reciprocating mechanism 25 is arranged at the left end of the buffer mechanism 24, a first connecting shaft 26 for connecting a wiper is arranged at the front end of the worm wheel 22, and the connection relation between the worm wheel 22 and the first connecting shaft 26 is fixed connection, and the first connecting shaft 26 is used for mounting the wiper.
Further, in order to prevent the motor rotor 13 from reciprocating, and thus to improve the service life of the motor rotor 13, as shown in fig. 3-9, the reciprocating mechanism 25 includes a mounting plate 251, a connection relationship between the mounting plate 251 and the sealing cover 11 located on the right side is a fixed connection, a connection relationship between the mounting plate 251 and a connecting shaft of the motor rotor 13 is a rotating connection, a special-shaped chute 252 is formed in the right end of the mounting plate 251, the special-shaped chute 252 plays a guiding role, so that the guiding rod 253 drives the inner gear ring 260 or the outer gear ring 258 to rotate when rotating, a guiding rod 253 is arranged at an output end of the motor rotor 13, the connection relationship between the output end of the motor rotor 13 and the guiding rod 253 is a sliding connection, so that the guiding rod 253 can be driven to rotate when rotating, the guiding rod 253 is formed in the right end of the guiding rod 253, a fixed block 255 matched with the limiting groove 254 is arranged at an output end of the motor rotor 13, the connection relationship between the fixed block 255 and the limiting groove 254 is a sliding connection, and the fixed block 255 is matched with the limiting groove 254, so that the guiding rod 253 can only rotate when the guiding rod 13 is connected with the motor rotor 13, and the guiding rod can rotate only when the guiding rod 13 can rotate.
Specifically, the right end of the fixed block 255 is provided with a limiting block 256, the connection relationship between the fixed block 255 and the limiting block 256 is a fixed connection, the limiting block 256 is used for limiting the limiting groove 254, so that the guide rod 253 and the output end of the motor rotor 13 can only be in sliding connection, the left end of the guide rod 253 is provided with a first sliding rod 257 matched with the special-shaped sliding groove 252, the connection relationship between the first sliding rod 257 and the guide rod 253 is a fixed connection, the first sliding rod 257 and the special-shaped sliding groove 252 are mutually matched, so that whether the guide rod 253 slides on the right end surface of the output end of the motor rotor 13 is controlled, the right end of the mounting plate 251 is provided with an outer gear ring 258, the connection relationship between the mounting plate 251 and the outer gear ring 258 is a rotating connection, the right end of the mounting plate 251 is provided with an engagement gear 259 meshed with the outer gear ring 258, the connection relationship between the engagement gear 259 and the mounting plate 251 is a rotating connection, the right end of the mounting plate 251 is provided with a ring 260 meshed with the engagement gear 259, when the guide rod 253 drives the outer gear ring 258 to rotate, the guide rod 253 is driven by the outer gear ring 258 to rotate, and the inner gear ring 253 is driven by the inner gear 260 to rotate in the same direction relative to the inner gear 260 when the guide rod 253 rotates relative to the inner gear 260.
Specifically, the lower end of the guide rod 253 is far away from the second sliding rod 261 arranged at one side of the center of the mounting plate 251, the connection relationship between the second sliding rod 261 and the guide rod 253 is a fixed connection, guide grooves 262 matched with the second sliding rod 261 are symmetrically arranged at the right end of the outer gear ring 258 and the right end of the inner gear ring 260, the second sliding rod 261 is matched with the guide grooves 262 positioned at the right end of the inner gear ring 260 and the guide grooves 262 positioned at the right end of the outer gear ring 258, and when the guide rod 253 rotates, the inner gear ring 260 or the outer gear ring 258 can be driven to rotate respectively.
Further, in order to make the second sliding rod 261 mutually matched with the two guiding grooves 262 respectively, so as to drive the inner gear ring 260 or the outer gear ring 258 to rotate, as shown in fig. 3-9, the special-shaped sliding groove 252 includes a first semicircular groove 2521 with a notch and a second semicircular groove 2522 with a notch, the first semicircular groove 2521 and the second semicircular groove 2522 are mutually matched with the first sliding rod 257, so that the second sliding rod 261 can respectively make the guiding rod 253 drive the first sliding rod 257 or the inner gear ring 260 to rotate with the two guiding grooves 262, one side, close to the inner cavities of the first semicircular groove 2521 and the second semicircular groove 2522, is jointly provided with a connecting groove 2523, and the connecting groove 2523 is used for connecting the first semicircular groove 2521 and the second semicircular groove 2522, so that the guiding rod 253 can repeatedly slide between the first semicircular groove 2521 and the second semicircular groove 2522 when rotating, and further make the inner gear ring 252can reciprocate with the first semicircular groove 2521 and the second semicircular groove 2522, and the motor inner gear ring 25213 can rotate with the same axes.
Specifically, the diameter of the first semicircular groove 2521 is smaller than that of the second semicircular groove 2522, the second sliding rod 261 can be matched with different guide grooves 262 through the different diameters of the first semicircular groove 2521 and the second semicircular groove 2522, when the first sliding rod 257 is located in the first semicircular groove 2521, the second sliding rod 261 is located in the guide groove 262 at the right end of the annular gear 260, the second sliding rod 261 can drive the annular gear 260 to rotate through being matched with the guide groove 262 at the right end of the annular gear 260, when the first sliding rod 257 is located in the second semicircular groove 2522, the second sliding rod 261 is located in the guide groove 262 at the right end of the meshing gear 259, and the second sliding rod 261 can drive the outer annular gear 258 to rotate through being matched with the guide groove 262 at the right end of the annular gear 260.
Further, in order to prevent the worm 23 from being damaged by the reverse force transmitted to the motor rotor 13, and to affect the stability of the device during operation, as shown in fig. 11, the buffer mechanism 24 includes a device tube 241, the connection relationship between the device tube 241 and the ring gear 260 is a fixed connection, a second connection shaft 242 is disposed on the left side surface of the inner cavity of the device tube 241, the connection relationship between the device tube 241 and the second connection shaft 242 is a rotational connection, a spring 243 is disposed in the device tube 241, the other two ends of the spring 243 except the upper end and the lower end are respectively and fixedly connected to the inner surface of the device tube 241 and the outer surface of the second connection shaft 242, the second connection shaft 242 is connected to the worm 23, the connection relationship between the second connection shaft 242 and the worm 23 is a fixed connection, and when the spring 243 is in a natural state, the spring 243 contracts or expands, and the device tube 241 does not drive the second connection shaft 242 to rotate, thereby playing a role of buffering.
Further, in order to reduce the temperature of the device during operation, improve the stability of the device during operation and reduce noise, as shown in fig. 10, the connecting shaft of the motor rotor 13 penetrates through the two sealing covers 11, so that the motor rotor 13 is convenient to install, the left end of the connecting shaft of the motor rotor 13 is provided with the first lubrication groove 14, the right annular array of the inner cavity of the first lubrication groove 14 is provided with a plurality of first penetration grooves 15, the plurality of first penetration grooves 15 can enable the insulating lubrication oil entering the first lubrication groove 14 to enter the motor housing 1, thereby radiating and lubricating the motor rotor 13, the commutator 16 and the like, reducing noise during operation of the device, the first lubrication groove 14 penetrates through the connecting shaft of the motor rotor 13, the first lubrication groove 14 is communicated with the inside of the device pipe 241, the left end of the worm 23 is provided with the second lubrication groove 141 communicated with the inside of the device pipe 241, the right annular array of the inner cavity of the second lubrication groove 141 is provided with a plurality of second penetration grooves 151, and the plurality of second penetration grooves 151 can enable the insulating lubrication oil entering the second groove 141 to enter the sealing pipe 21, thereby radiating and lubricating the worm wheel 22, 23 and reducing noise during operation of the device.
Specifically, the left end of the sealing cover 11 and the right side of the outer surface of the sealing tube 21 are respectively connected with a water inlet tube communicated with the interior of the first lubrication groove 14 and a water outlet tube communicated with the interior of the sealing tube 21, a water pump is connected between the water inlet tube and the water outlet tube and is used for being connected with an insulating lubrication oil barrel so as to transfer insulating lubrication oil into the first lubrication groove 14.
In the present invention, the specific installation and control modes of the motor rotor 13, the carbon brush 18, the commutator 16, the permanent magnet 19, the spring 243, etc. are all conventional designs in the prior art, and the present invention is not described in detail.
The specific implementation mode is as follows: through the mutual matching of the commutator 16, the carbon brush 18 and the permanent magnet 19, the motor rotor 13 rotates in the same direction, the connecting shaft of the motor rotor 13 drives the guide rod 253 to rotate, through the mutual matching between the first semicircular groove 2521 and the second semicircular groove 2522 and the first sliding rod 257, the guide rod 253 can slide at the right end of the connecting shaft of the motor rotor 13, the second sliding rod 261 can be mutually matched with the guide groove 262 positioned at the right end of the annular gear 260 and the guide groove 262 positioned at the right end of the outer annular gear 258 respectively, when the guide rod 253 rotates, the annular gear 260 or the outer annular gear 258 can be respectively driven to rotate, through the mutual matching among the outer annular gear 258, the meshing gear 259 and the annular gear 260, the annular gear 260 rotates in the opposite direction relative to the guide rod 253, when the guide rod 253 drives the annular gear 260 to rotate, the annular gear 260 rotates in the same direction relative to the guide rod 253, the annular gear 260 reciprocates, the worm wheel 23 is prevented from being damaged by the mutual matching between the spring 243 and the device pipe body 241 and the second connecting shaft 242, and the worm wheel 23 can be prevented from being in the opposite directions, and the worm wheel 23 is connected with the front windshield 23, and the worm 23 can be damaged, and the worm is driven to rotate, and the worm is connected with the front wheel 23 through the worm 23.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a high-speed railway EMUs wiper motor, includes motor housing (1), its characterized in that: sealing covers (11) are arranged at the left end and the right end of the motor shell (1), sealing grooves (12) matched with the motor shell (1) are formed in one ends, close to each other, of the two sealing covers (11), sealing rings are arranged in the sealing grooves (12), a motor rotor (13) is jointly arranged between the two sealing covers (11), a commutator (16) is arranged on the right side of the outer surface of the motor rotor (13), a supporting plate (17) is arranged at the left end of the sealing cover (11) on the right side, two carbon brushes (18) matched with the commutator (16) are symmetrically arranged at the left end of the supporting plate (17), a plurality of permanent magnets (19) matched with the motor rotor (13) are arranged in an annular array in an inner cavity of the motor shell (1), and a reciprocating device (2) is arranged at the right end of the sealing cover (11) on the right side;
the reciprocating device (2) comprises a sealing tube (21), a worm wheel (22) is arranged in an inner cavity of the sealing tube (21), a worm (23) meshed with the worm wheel (22) is arranged at the lower portion of the inner surface of the sealing tube (21), a buffer mechanism (24) is arranged at the left end of the worm (23), a reciprocating mechanism (25) is arranged at the left end of the buffer mechanism (24), and a first connecting shaft (26) used for connecting a wiper is arranged at the front end of the worm wheel (22).
2. The high-speed rail motor train unit wiper motor of claim 1, wherein: the reciprocating mechanism (25) comprises a mounting plate (251), special-shaped sliding grooves (252) are formed in the right end of the mounting plate (251), guide rods (253) are arranged at the output end of a motor rotor (13), limit grooves (254) are formed in the right end of the guide rods (253), fixing blocks (255) matched with the limit grooves (254) are arranged at the output end of the motor rotor (13), limiting blocks (256) are arranged at the right end of the fixing blocks (255), first sliding rods (257) matched with the special-shaped sliding grooves (252) are arranged at the left end of the guide rods (253), outer gear rings (258) are arranged at the right end of the mounting plate (251), meshing gears (259) meshed with the outer gear rings (258) are arranged at the right end of the mounting plate (251), second sliding rods (261) arranged on one side, far away from the centers of the mounting plate (251), of the lower ends of the guide rods (253), of the outer gear rings (258) are symmetrically matched with the second sliding rods (262).
3. The high-speed rail motor train unit wiper motor of claim 2, wherein: the special-shaped sliding groove (252) comprises a first semicircular groove (2521) with a notch and a second semicircular groove (2522) with a notch, and a connecting groove (2523) is formed in one side, close to the inner cavity of the first semicircular groove (2521) and one side, close to the inner cavity of the second semicircular groove (2522), of the first semicircular groove.
4. The high-speed rail motor train unit wiper motor of claim 3, wherein: the first semicircular groove (2521) and the second semicircular groove (2522) are concentric with the motor rotor (13), the diameter of the first semicircular groove (2521) is smaller than that of the second semicircular groove (2522), when the first sliding rod (257) is located in the first semicircular groove (2521), the second sliding rod (261) is located in the guide groove (262) at the right end of the annular gear (260), and when the first sliding rod (257) is located in the second semicircular groove (2522), the second sliding rod (261) is located in the guide groove (262) at the right end of the meshing gear (259).
5. The high-speed rail motor train unit wiper motor of claim 4, wherein: the buffer mechanism (24) comprises a device pipe body (241), a second connecting shaft (242) is arranged on the left side face of the inner cavity of the device pipe body (241), a clockwork spring (243) is arranged in the device pipe body (241), the other two ends except the upper end and the lower end of the clockwork spring (243) are fixedly connected with the inner surface of the device pipe body (241) and the outer surface of the second connecting shaft (242), and the second connecting shaft (242) is connected with the worm (23).
6. The high-speed rail motor train unit wiper motor of claim 5, wherein: when the clockwork spring (243) is in a natural state, the device pipe body (241) does not drive the second connecting shaft (242) to rotate.
7. The high-speed rail motor train unit wiper motor of claim 5, wherein: the novel lubricating device comprises a motor rotor (13), a connecting shaft, a worm (23), a first lubricating groove (14) and a plurality of second lubricating grooves (141) which are communicated with the inside of the device pipe body (241), wherein the left end of the connecting shaft of the motor rotor (13) is provided with the first lubricating groove (14), the right side of an inner cavity of the first lubricating groove (14) is provided with the plurality of first penetrating grooves (15), the first lubricating groove (14) penetrates through the connecting shaft of the motor rotor (13), the first lubricating groove (14) is communicated with the inside of the device pipe body (241), the left end of the worm (23) is provided with the second lubricating groove (141) which is communicated with the inside of the device pipe body (241), and the right side of the inner cavity of the second lubricating groove (141) is provided with the plurality of second penetrating grooves (151).
8. The high-speed rail motor train unit wiper motor of claim 1, wherein: the connecting shaft of the motor rotor (13) penetrates through the two sealing covers (11).
9. The high-speed rail motor train unit wiper motor of claim 2, wherein: the left end of the sealing cover (11) and the right side of the outer surface of the sealing pipe (21) are respectively connected with a water inlet pipe communicated with the interior of the first lubrication groove (14) and a water outlet pipe communicated with the interior of the sealing pipe (21), and a water pump is connected between the water inlet pipe and the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310544320.2A CN116742892B (en) | 2023-05-15 | 2023-05-15 | Wiper motor for high-speed rail motor train unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310544320.2A CN116742892B (en) | 2023-05-15 | 2023-05-15 | Wiper motor for high-speed rail motor train unit |
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| CN116742892A true CN116742892A (en) | 2023-09-12 |
| CN116742892B CN116742892B (en) | 2024-01-02 |
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