CN207968271U - A kind of high power high torque has brush excitation dc motor - Google Patents
A kind of high power high torque has brush excitation dc motor Download PDFInfo
- Publication number
- CN207968271U CN207968271U CN201820006639.4U CN201820006639U CN207968271U CN 207968271 U CN207968271 U CN 207968271U CN 201820006639 U CN201820006639 U CN 201820006639U CN 207968271 U CN207968271 U CN 207968271U
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- CN
- China
- Prior art keywords
- front cover
- casing
- motor
- rear chassis
- brush
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Abstract
The utility model discloses a kind of high power high torques brush excitation dc motor, including by casing, front cover, rear chassis, fan, the front cover, rear chassis is separately mounted to the both sides of casing, magnet iron core is provided in casing, magnet exciting coil, rotor and carbon brush holder, it is provided with connecting seat on the outside of the front cover, the connecting seat is provided with mounting hole, the mounting hole is connected and is coaxially disposed with front cover port, the shaft is power output end in front cover side, the outside a little higher than connecting seat of the power output end, the power output end is provided with connection-peg；The rear chassis is provided with several positioning strips, and the casing is provided with locating slot corresponding with the positioning strip；It uses excitation-type, realizes high power and high torque, while using novel radiator structure so that the radiating condition of motor is improved, and the setting of connection-peg makes its structure simplify, and installation is quick and convenient, while its installation length reduces.
Description
Technical field
The utility model belongs to excitation dc motor technical field, and concretely relating to a kind of high power high torque has brush
Excitation dc motor.
Background technology
Direct current generator is widely used in hydraulic power unit, forklift, fork truck, automobile tailboard etc., as power transmission
Important composition component, it be already present on we life various aspects, also bring many facilities to our life, make me
Life more automate, so the use scope of direct current generator can be increasingly wider.
The air-gap field of magneto is determined by magnet steel and magnetic circuit magnetic conductance, is held nearly constant in operation, is adjusted
Difficulty is difficult to provide sufficiently high power and torque in this way；The field core of traditional electrical excitation dc motor, in Gao Gong
Under the operating mode of rate high torque, easily cause to radiate bad, to which motor temperature is excessively high, burns coil, damage motor.
In addition, the power output end of traditional motor rotor shaft, which is setting keyway, is attached and transmits torque, still
This connection structure is cumbersome for installation, is unfavorable for and hydraulic power unit, forklift, fork truck, automobile tailboard etc. carry out fast assembling-disassembling,
Connection length is longer simultaneously.
Invention content
The purpose of this utility model, which is to provide a kind of high power high torque, brush excitation dc motor, uses excitation-type,
It realizes high power and high torque, while using novel radiator structure so that the radiating condition of motor is improved, connection-peg
Setting makes its structure simplify, and installation is quick and convenient, while its installation length reduces.
In order to solve the above technical problems, what the purpose of this utility model was realized in：
A kind of high power high torque has brush excitation dc motor, including by casing, front cover, rear chassis, fan, institute
State front cover, rear chassis is separately mounted to the both sides of casing, magnet iron core, magnet exciting coil, motor are provided in casing
Rotor and carbon brush holder are provided with commutator on the rotor, and the rotor includes shaft, and the commutator is arranged
In the shaft；
The front cover, rear chassis are equipped with the port passed through for shaft, and front cover, rear chassis respectively
The bearing being set in shaft is equipped at corresponding port, the bearing is embedded respectively in corresponding port；
It is provided with connecting seat on the outside of the front cover, the connecting seat is provided with mounting hole, the mounting hole and casing
Protecgulum port is connected and is coaxially disposed, and the shaft is power output end in front cover side, and the power output end is outside
The a little higher than connecting seat, the power output end are provided with connection-peg；
The rear chassis is provided with several positioning strips, and the casing is provided with locating slot corresponding with the positioning strip；
The carbon brush holder includes the bottom plate being linked together and two brush carriers, and the bottom plate is mounted on pedestal inner end, two brush
It holds to be arranged on commutator both sides and each brush carrier and is both provided with spring.
Preferred embodiment on the basis of said program and as said program：The mounting hole is shoulder hole structure.
Preferred embodiment on the basis of said program and as said program：The fan is to be arranged and the wind in shaft
Vane wheel forms, and the blast fan is set on the outside of rear chassis, if the front cover, rear chassis are both provided with dry-air blast
Cooling hole.
Preferred embodiment on the basis of said program and as said program：The blast fan is provided with protective cover,
The protective cover is connected with the rear chassis.
Preferred embodiment on the basis of said program and as said program：The protective cover is equipped with several ventilation holes.
Preferred embodiment on the basis of said program and as said program：The casing circumferential surface is provided with power supply wiring
Stake.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：Power is big, and torsion is big：This direct current
Acc power is big, and torque is big, has good startup, braking ability, and it is strong to bear overload capacity, so power is more powerful, meets
Demand of the market to this kind of motor.
It is set on the outside of rear chassis using blast fan simultaneously, if being both provided with dry-air blast in front cover, rear chassis
This radiator structure of cooling hole, this radiator structure are more reasonable so that the radiating condition of motor is improved, and connection-peg is set
Setting makes its structure simplify, and installation is quick and convenient, while its installation length reduces.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the overall structure left view of the utility model.
Fig. 3 is the utility model front cover structural schematic diagram.
Fig. 4 is the utility model front cover structure AA sectional views.
Fig. 5 is the utility model rear chassis structural front view.
Fig. 6 is the utility model rear chassis BB sectional views.
Fig. 7 is the utility model rear chassis structure rearview.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with the attached drawing in embodiment, to reality
The technical solution applied in example is clearly and completely described, it is clear that described embodiment is only that the application part is implemented
Example, rather than whole embodiments.Based on the embodiment provided, those of ordinary skill in the art are not before making creative work
The every other embodiment obtained is put, shall fall in the protection scope of this application.
In the description of the present application, it is to be understood that the orientation or positional relationship of the instructions such as term "upper", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description the application and simplifies to describe, rather than indicate or imply
Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this
The limitation of application.
See Fig. 1, a kind of high power high torque has a brush excitation dc motor, including by casing 10, front cover 20, casing after
Lid 30, blast fan 80, the front cover 20, rear chassis 30 are separately mounted to the both sides of casing 10, are set in casing 10
It is equipped with magnet iron core 51, magnet exciting coil 52, rotor and carbon brush holder 70, commutator 110, institute are provided on the rotor
It includes shaft and rotor core 60 and rotor coil 61 to state rotor, and the commutator 110 is set in the shaft 40；
See Fig. 2-7, the front cover 20, rear chassis 30 be equipped with the fore bearing port 22 passed through for shaft 40 and after
Bearing port 33, and it is equal at front cover 20,30 corresponding fore bearing port 22 of rear chassis and rear bearing end mouth 33
Equipped with the fore bearing 120 and rear bearing 130 being set in shaft, the fore bearing 120 and rear bearing 130 are embedded respectively in correspondence
Fore bearing port 22 and rear bearing end mouth 33 in；
20 outside of the front cover is provided with connecting seat 25, and the connecting seat 25 is provided with mounting hole 21, the installation
Hole 21 is connected and is coaxially disposed with front cover port 22, and the shaft 40 is power output end 41 in 20 side of front cover,
The a little higher than connecting seat 25, the power output end 41 are provided with connection-peg 42 to the power output end 41 outward；
Preferably, 25 end face of the connecting seat is provided with link bolt hole 251.
The rear chassis 3 is provided with several positioning strips 31 and counter sink 35, the casing 10 be provided with it is described fixed
Position 31 corresponding locating slot 11 of item after positioning strip 31 is caught in locating slot 11, is packed into after counter sink 35 with screw and is connected with casing 10
It connects.
See that Fig. 1, the carbon brush holder 70 include the bottom plate 71 being linked together and two brush carriers 72, the bottom plate 71 is mounted on machine
30 inner end of shell rear cover, the brush carrier 72 are arranged on 110 both sides of commutator and each brush carrier 72 and are both provided with spring 73.
The blast fan 80 is set in shaft 40, and the blast fan 80 is set to 30 outside of rear chassis, described
Front cover 20, rear chassis 30 are respectively arranged with several preceding air cooling holes 26 and rear air cooling hole 32.
The blast fan 80 is provided with protective cover 90, and 30 circumferential surface of the rear chassis is provided with bolt hole 34, protective cover
90 are set in after 30 circumferential surface of rear chassis and are connected by bolt and the rear chassis 30.
The protective cover 90 is equipped with several ventilation holes 91.
10 circumferential surface of the casing is provided with power supply wiring stake 100, is divided into positive terminal stake 101 and negative terminal stake 102.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (6)
1. a kind of high power high torque has brush excitation dc motor, including by casing, front cover, rear chassis, fan, described
Front cover, rear chassis are separately mounted to the both sides of casing, and magnet iron core, magnet exciting coil, motor are provided in casing and is turned
Son and carbon brush holder are provided with commutator on the rotor, and the rotor includes shaft, and the commutator is set in
In the shaft；
The front cover, rear chassis are equipped with the port passed through for shaft, and are respectively corresponded in front cover, rear chassis
Port at be equipped with the bearing being set in shaft, the bearing is embedded respectively in corresponding port；
It is provided with connecting seat on the outside of the front cover, the connecting seat is provided with mounting hole, the mounting hole and front cover
Port is connected and is coaxially disposed, and the shaft is power output end in front cover side, and the power output end is slightly higher outward
In the connecting seat, the power output end is provided with connection-peg；
The rear chassis is provided with several positioning strips, and the casing is provided with locating slot corresponding with the positioning strip；
The carbon brush holder includes the bottom plate being linked together and two brush carriers, and the bottom plate is mounted on pedestal inner end, two brush carrier point
It is listed on commutator both sides and each brush carrier and is both provided with spring.
2. a kind of high power high torque according to claim 1 has brush excitation dc motor, it is characterised in that：The installation
Hole is shoulder hole structure.
3. a kind of high power high torque according to claim 1 has brush excitation dc motor, it is characterised in that：The fan
It is formed with the blast fan in shaft to be arranged, the blast fan is set on the outside of rear chassis, the front cover, casing
Rear cover is both provided with several air cooling holes.
4. a kind of high power high torque according to claim 3 has brush excitation dc motor, it is characterised in that：The fan
Impeller is provided with protective cover, and the protective cover is connected with the rear chassis.
5. a kind of high power high torque according to claim 4 has brush excitation dc motor, it is characterised in that：The protection
It is covered with several ventilation holes.
6. a kind of high power high torque according to claim 1 has brush excitation dc motor, it is characterised in that：The casing
Circumferential surface is provided with power supply wiring stake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006639.4U CN207968271U (en) | 2018-01-03 | 2018-01-03 | A kind of high power high torque has brush excitation dc motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006639.4U CN207968271U (en) | 2018-01-03 | 2018-01-03 | A kind of high power high torque has brush excitation dc motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968271U true CN207968271U (en) | 2018-10-12 |
Family
ID=63731954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820006639.4U Expired - Fee Related CN207968271U (en) | 2018-01-03 | 2018-01-03 | A kind of high power high torque has brush excitation dc motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207968271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023455A (en) * | 2018-01-03 | 2018-05-11 | 海盐龙博直流电机有限公司 | A kind of high power high torque has brush excitation dc motor |
-
2018
- 2018-01-03 CN CN201820006639.4U patent/CN207968271U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023455A (en) * | 2018-01-03 | 2018-05-11 | 海盐龙博直流电机有限公司 | A kind of high power high torque has brush excitation dc motor |
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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 |
Granted publication date: 20181012 Termination date: 20200103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |