CN207573123U - Introduce the water proof type electric machines for roller of 3+3 frequency conversion shielded flexible cables - Google Patents
Introduce the water proof type electric machines for roller of 3+3 frequency conversion shielded flexible cables Download PDFInfo
- Publication number
- CN207573123U CN207573123U CN201721627328.1U CN201721627328U CN207573123U CN 207573123 U CN207573123 U CN 207573123U CN 201721627328 U CN201721627328 U CN 201721627328U CN 207573123 U CN207573123 U CN 207573123U
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- China
- Prior art keywords
- engine base
- shielded flexible
- frequency conversion
- rear end
- flexible cables
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model discloses a kind of water proof type electric machines for roller for introducing 3+3 frequency conversion shielded flexible cables, including motor shaft, stator, rotor and engine base；The both ends of engine base have been respectively fixedly connected with drive end bearing bracket and rear end cap；Rotor is installed on motor shaft, and stator is installed on the inner wall of engine base；Fore bearing inner cover is installed on the inside of drive end bearing bracket；The mounting hole of connection oiling device is offered on drive end bearing bracket and rear end cap respectively；Oil scraper ring is installed, oil scraper ring is socketed on motor shaft on the inside of rear end cap；The inner wall of engine base is equipped with the ground connection platform of sector structure；Ground connection platform is located at the rear end of engine base；Wiring hole there are four being opened up on ground connection platform；Wire connection terminal is installed in each wiring hole；The through-hole that 3+3 frequency conversion shielded flexible cables pass through is offered on rear end cap, 3 phase lines of 3+3 frequency conversion shielded flexible cables are connected with 3 phases of stator winding using welding manner, and 3 ground wires and shielding line of 3+3 frequency conversion shielded flexible cables are connect by wire connection terminal with the wire connection terminal on ground connection platform.
Description
Technical field
The utility model is related to metallurgical industry roller bed electricity consumption motivation manufacturing technology field, more particularly to a kind of introducing
The water proof type electric machines for roller of 3+3 frequency conversion shielded flexible cables.
Background technology
It is more and more using the situation of transducer drive electric machines for roller on metallurgical industry roller bed, but use frequency converter
Still there is very big difference for electric machines for roller power supply and power frequency power supply.There is longer cable particularly between frequency converter and motor
In the case of connection, if using 3+1 type cable power supplies, when 3 phase currents balance, the electric current of neutral core supplies power frequency
Electricity is zero, but when conversion power supply has odd harmonic generation, by the multiple reflections of cable, wave crest and wave crest to this will occurs
Or the superimposed chance of trough and trough, the longer stacking machine of cable can be more, since the current component that odd harmonic generates exists
The several times that neutral conductor in-core will be superimposed as former component without phase difference, such electric current, neutral core quickly can be by under high-frequency impulse
Breakdown.In addition Have electric machine for roller of frequency is operated in the environment of more dirt, high temperature, high humidity, and particularly motor surface needs to bear larger
The water spray of pressure, existing electric machines for roller occur frequently in the problem of use is intake in the process, while bearing under high temperature environment
The consumption of lubricating grease is very fast, in order to which bearing oiling is given to use its sealing cover of the bearing of single side with closure in high temperature and lubricating grease pressure
Can be unreliable under the action of power, it sometimes appear that the situation that sealing cover comes off.
Utility model content
The technical problems to be solved in the utility model is：A kind of water proof type roller for introducing 3+3 frequency conversion shielded flexible cables is provided
Road motor；The water proof type electric machines for roller of introducing 3+3 frequency conversion shielded flexible cables use 3+3 frequency conversion shielded flexible cables, 3 neutral conductors
The phase of core lags 120 ° successively, forms the state of a symmetrical balance so that electric current will not be superimposed, and can be effectively reduced strange
Harm of the subharmonic to frequency-changing cable.
The utility model is adopted the technical scheme that solve technical problem present in known technology：
A kind of water proof type electric machines for roller for introducing 3+3 frequency conversion shielded flexible cables, including：Motor shaft, stator (6), rotor
(7) and engine base (5)；The front end of the engine base (5) is fixedly connected with drive end bearing bracket (2), and the rear end of the engine base (5) is fixedly connected with
Rear end cap (9)；The rotor (7) is fixedly installed on motor shaft, and the stator (6) is fixedly installed in the inner wall of engine base (5)；Institute
It states and fore bearing inner cover (4) is installed on the inside of drive end bearing bracket (2)；The company of offering respectively on the drive end bearing bracket (2) and rear end cap (9)
Connect the mounting hole of oiling device (3)；Oil scraper ring (8) is installed, the oil scraper ring (8) is socketed on the inside of the rear end cap (9)
On motor shaft；It is characterized in that：The ground connection platform of sector structure is equipped in the inner wall of the engine base (5)；The ground connection platform is located at machine
The rear end of seat (5)；Wiring hole there are four being opened up on the ground connection platform；Wire connection terminal is installed in each wiring hole；In the rear
The through-hole that 3+3 frequency conversion shielded flexible cables pass through is offered on end cap (9), 3 phase lines of the 3+3 frequency conversions shielded flexible cable are with determining
3 phases of sub- winding are connected using welding manner, and 3 ground wires and shielding line of the 3+3 frequency conversions shielded flexible cable pass through terminals
Son is connect with the wire connection terminal on ground connection platform.
Further：Drip ring (1) is installed, the drip ring (1) is socketed on motor shaft on the outside of the drive end bearing bracket (2)
On.
Further：The external port of the through-hole is provided with sealing waterproof connector (11).
Further：The fan-shaped central angle of above-mentioned ground connection platform is 75 degree；The ground connection platform is overlapped with the center of circle of motor shaft.
The utility model has the advantages and positive effects of：
By using above-mentioned technical proposal, by using 3+3 frequency conversion shielded flexible cables, the phase of 3 neutral cores is successively
120 ° of lag forms the state of a symmetrical balance so that electric current will not be superimposed, and can effectively reduce odd harmonic to frequency conversion
The harm of cable；It is easy to operate by setting ground connection platform that can ensure that 4 tunnels ground connection is reliable in engine base intracavity posterior end；Become by 3+3
3 phase lines of frequency shielded flexible cable are connect with stator winding using welding manner, and electrical connection can be made reliably easy；By close
Envelope waterproof connector, which draws 3+3 frequency conversions shielded flexible cable inside the motor, can solve that original motor outlet wire is poorly sealed to ask
Topic, it is ensured that the water resistance of motor outlet wire.By setting drip ring in axle stretch end and preventing water from being passed through from axis together with oil sealing
Logical part enters inside motor.
Description of the drawings
Fig. 1 is the structure chart of the preferred embodiment in the utility model；
Fig. 2 is ground connection platform structure diagram in the preferred embodiment in the utility model；
Fig. 3 is that 3+3 frequency conversions shielded flexible cable connect and shows with stator winding and ground connection platform in the preferred embodiment in the utility model
It is intended to；
Fig. 4 is the rear bearing oiling device location drawing in the preferred embodiment in the utility model；
Wherein：1st, drip ring；2nd, drive end bearing bracket；3rd, oiling device；4th, fore bearing inner cover；5th, engine base；6th, stator；7th, rotor；
8th, oil scraper ring；9th, rear end cap；10th, 3+3 frequency conversions shielded flexible cable；11st, waterproof connector is sealed；12nd, wire connection terminal；13rd, it is grounded
Platform；14th, it is grounded.
Specific embodiment
For that can further appreciate that the invention, features and effects of the utility model, the following examples are hereby given, and coordinates
Detailed description are as follows for attached drawing：
It please refers to Fig.1 to Fig.4, a kind of water proof type electric machines for roller for introducing 3+3 frequency conversion shielded flexible cables, including：Motor shaft,
Stator 6, rotor 7 and engine base 5；The front end of the engine base 5 is fixedly connected with drive end bearing bracket 2, and the rear end of the engine base 5 is fixedly connected with
Rear end cap 9；The rotor 7 is fixedly installed on motor shaft, and the stator 6 is fixedly installed in the inner wall of engine base 5；The front end
The inside of lid 2 is equipped with fore bearing inner cover 4；The peace of connection oiling device 3 is offered on the drive end bearing bracket 2 and rear end cap 9 respectively
Fill hole；The inside of the rear end cap 9 is equipped with oil scraper ring 8, and the oil scraper ring 8 is socketed on motor shaft；In the engine base 5
Wall is equipped with the ground connection platform 13 of sector structure；The ground connection platform is located at the rear end of engine base 5；Wiring there are four being opened up on the ground connection platform
Hole；Wire connection terminal is installed in each wiring hole；Offer that 3+3 frequency conversion shielded flexible cables pass through on end cap 9 in the rear is logical
Hole, 3 phase lines of the 3+3 frequency conversions shielded flexible cable are connected with 3 phases of stator winding using welding manner, the 3+3 frequency conversions
3 ground wires and shielding line of shielded flexible cable are connect by wire connection terminal with the wire connection terminal on ground connection platform.
The outside of the drive end bearing bracket 2 is equipped with drip ring 1, and the drip ring 1 is socketed on motor shaft.
The external port of the through-hole is provided with sealing waterproof connector 11.
The fan-shaped central angle of above-mentioned ground connection platform is 75 degree；The ground connection platform is overlapped with the center of circle of motor shaft.
In above preferred embodiment, mainly include drip ring 1, drive end bearing bracket 2, oiling device 3, fore bearing inner cover 4, engine base
5th, stator 6, rotor 7, oil scraper ring 8, rear end cap 9,3+3 frequency conversions shielded flexible cable 10 and sealing waterproof connector 11；As shown in Fig. 2,
Described 5 intracavity posterior end of engine base, 45 °~90 ° positions are provided with the ground connection platform of 4 ground holes, and soft electricity is shielded for connecting 3+3 frequency conversions
The grounding connection of 3 piece-root grafting ground wires 14 and shielded layer in cable 10；3 phase lines in the 3+3 frequency conversions shielded flexible cable 10 are with determining
3 phases of sub- winding are connected using welding manner, and 3 ground wires and shielded layer pass through wire connection terminal 12 and the ground connection platform being located on engine base
It is connected by earth stud；3 phase lines, 3 ground wires in the 3+3 frequency conversions shielded flexible cable 10 connected with shielding line after from rear
End cap 9 is guided to outside motor by sealing waterproof connector 11 and is connect with frequency converter；The drip ring 1 passes through waterproof with drive end bearing bracket 2
Realize water-proof function in gap；Oil scraper ring 1 is mounted on the inside of rear bearing；The drip ring is realized anti-with drive end bearing bracket by anti-water space
Water function；The oil scraper ring is mounted on the inside of rear bearing and forms anti-leak gap with bearing chamber；Bearing oiling device after described
Position is placed in 60 ° of positions of rear end cap.
In the preferred embodiment：Engine base, drive end bearing bracket, rear end cap all connection matching parts use O-ring seal
Sealing.The utility model can effectively reduce harm of the odd harmonic to frequency-changing cable by introducing 3+3 frequency conversions shielded flexible cable；
It is easy to operate by setting ground connection platform that can ensure that 4 tunnels ground connection is reliable in engine base intracavity posterior end；Soft electricity is shielded by 3+3 frequency conversions
3 phase lines of cable are connect with stator winding using welding manner, and electrical connection can be made reliably easy；By sealing waterproof connector
3+3 frequency conversions shielded flexible cable is drawn inside motor can solve the problems, such as that original motor outlet wire is poorly sealed, it is ensured that
The water resistance of motor outlet wire.By setting drip ring in axle stretch end and preventing water from entering electricity from axis transfixion part together with oil sealing
Inside machine.
The embodiment of the utility model is described in detail above, but the content is only the preferable of the utility model
Embodiment, it is impossible to be construed as limiting the scope of the utility model.It is made according to the scope of application of this utility model equal
Deng variation and improvement etc., should all still belong within the patent covering scope of the utility model.
Claims (4)
1. a kind of water proof type electric machines for roller for introducing 3+3 frequency conversion shielded flexible cables, including：Motor shaft, stator (6), rotor (7) and
Engine base (5)；The front end of the engine base (5) is fixedly connected with drive end bearing bracket (2), and the rear end of the engine base (5) is fixedly connected with rear end
It covers (9)；The rotor (7) is fixedly installed on motor shaft, and the stator (6) is fixedly installed in the inner wall of engine base (5)；Before described
Fore bearing inner cover (4) is installed on the inside of end cap (2)；Connection oiling is offered respectively on the drive end bearing bracket (2) and rear end cap (9)
The mounting hole of device (3)；Oil scraper ring (8) is installed, the oil scraper ring (8) is socketed on motor shaft on the inside of the rear end cap (9)
On；It is characterized in that：The ground connection platform of sector structure is equipped in the inner wall of the engine base (5)；The ground connection platform is located at engine base (5)
Rear end；Wiring hole there are four being opened up on the ground connection platform；Wire connection terminal is installed in each wiring hole；End cap (9) in the rear
On offer the through-hole that 3+3 frequency conversion shielded flexible cables pass through, 3 phase lines and stator winding of the 3+3 frequency conversions shielded flexible cable
3 phases connected using welding manner, 3 ground wires and shielding line of the 3+3 frequency conversions shielded flexible cable are by wire connection terminal with connecing
Wire connection terminal connection on platform.
2. the water proof type electric machines for roller according to claim 1 for introducing 3+3 frequency conversion shielded flexible cables, it is characterised in that：Institute
It states and drip ring (1) is installed on the outside of drive end bearing bracket (2), the drip ring (1) is socketed on motor shaft.
3. the water proof type electric machines for roller according to claim 1 or 2 for introducing 3+3 frequency conversion shielded flexible cables, it is characterised in that：
The external port of the through-hole is provided with sealing waterproof connector (11).
4. the water proof type electric machines for roller according to claim 3 for introducing 3+3 frequency conversion shielded flexible cables, it is characterised in that：On
The fan-shaped central angle for stating ground connection platform is 75 degree；The ground connection platform is overlapped with the center of circle of motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627328.1U CN207573123U (en) | 2017-11-29 | 2017-11-29 | Introduce the water proof type electric machines for roller of 3+3 frequency conversion shielded flexible cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627328.1U CN207573123U (en) | 2017-11-29 | 2017-11-29 | Introduce the water proof type electric machines for roller of 3+3 frequency conversion shielded flexible cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207573123U true CN207573123U (en) | 2018-07-03 |
Family
ID=62688851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721627328.1U Expired - Fee Related CN207573123U (en) | 2017-11-29 | 2017-11-29 | Introduce the water proof type electric machines for roller of 3+3 frequency conversion shielded flexible cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207573123U (en) |
-
2017
- 2017-11-29 CN CN201721627328.1U patent/CN207573123U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 |