CN205385355U - Permanent magnet motor - Google Patents
Permanent magnet motor Download PDFInfo
- Publication number
- CN205385355U CN205385355U CN201620020550.4U CN201620020550U CN205385355U CN 205385355 U CN205385355 U CN 205385355U CN 201620020550 U CN201620020550 U CN 201620020550U CN 205385355 U CN205385355 U CN 205385355U
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- stator core
- rotor core
- permanent magnet
- magnet motor
- support member
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Abstract
The utility model discloses a permanent magnet motor relates to drilling tool technical field. The utility model discloses a shell, main shaft, stator core and rotor core, its characterized in that: stator core includes a plurality of stator core modules, and stator core modular spacing fixes on the shell inner wall, rotor core includes a plurality of rotor core modules, and the rotor core module should and be fixed on the main shaft with the stator core pair of module. The utility model discloses a permanent -magnet machine changes the operating mode that realizes the slow -speed of revolution, big moment of torsion, more is applicable to the well drilling of hard hard ground matter.
Description
Technical field
This utility model relates to down-hole equipment technical field of motors, more specifically to a kind of permanent magnet motor for down-hole equipment driving device.
Background technology
The type of drive that current down-hole equipment is conventional be top drive or with drilling fluid be medium fluid dynamic turbine drive or screw drive.
Top drive when drillng operation not only inefficiency and also this body structure is complicated；Turbine drive drilling tool is longer, and the scope of application of drill bit is little；Mounting and adjusting axial gap is cumbersome；Screw rod drilling efficiency is low, not easily realizes the automatization of drillng operation, intellectuality.
State Intellectual Property Office was on May 16th, 2012, disclosing a publication number is CN202221931U, name is called the utility model patent of " super high power, super large hole diameter submersible electric machine with oil ", this utility model patent includes the motor body of thrust bearing, motor head, rotating shaft, stator, alignment bearing, rotor, bearing block, cable, lead-in wire lid composition, and its rotor constitutes rotational structure by motor head and bearing block；It is characterized in that the external diameter of described motor is φ 165mm-φ 200mm, stator and rotor are rotating structure wherein.Of the present utility model it is advantageous in that: 1, the super high power of this utility model design, big hole diameter submersible electric machine with oil can meet oil well 9-5/8 " space requirement of sleeve pipe and the high power requirements of huge discharge oil-immersed pump；2, hole diameter submersible electric machine with oil overall construction design high-power, big is reasonable, higher compared with other serial motors performance and reliability；3, owing to hole diameter submersible electric machine with oil performance high-power, big and reliability are high, mass energy can be saved, reduce oil extraction in oil field cost, reduce operating cost.
But, when submersible electric machine with oil of the prior art is applied in down-hole equipment as driving device, the scope of application is little, and drilling efficiency is low, is not suitable for down-hole equipment.
Utility model content
In order to solve above-mentioned problems of the prior art and defect, this utility model provides a kind of magneto, goal of the invention of the present utility model is intended to the driving device providing a kind of down-hole equipment, to solve, the conventional driving device structure of down-hole equipment is complicated, the drill bit scope of application is little, drilling efficiency is low, not easily realizes drillng operation automatization and intelligentized problem.
In order to overcome above-mentioned the deficiencies in the prior art, this utility model is achieved through the following technical solutions:
A kind of permanent magnet motor, including shell, main shaft, stator core and rotor core, it is characterised in that: described stator core includes some pieces of stator core modules, and stator core modular spacing is fixed on outer casing inner wall；Described rotor core includes some pieces of rotor core modules, and rotor core module is corresponding with stator core module and is fixed on main shaft.
Being provided with support member between adjacent two stator core modules, described support member is the support member being overrided to form by non-magnet material punching.
Being provided with groove in described stator core module, be provided with stator coil in groove, described stator coil runs through stator core and support member.
Described rotor core module is provided with permanent magnet.
It is provided with bearing between adjacent two rotor core modules, between bearing and both sides rotor core, is provided with baffle plate.
Described bearing and support member are correspondingly arranged, and described bearing includes bearing outer ring and bearing inner race, and described bearing outer ring is contacted with support member and fixed by fixture, and described bearing inner race is fixed on main shaft.
Described rotor core module is identical with stator core module number.
Described rotor core module is overrided to form by rotor punching.
Described stator core module is overrided to form by stator punching.
Compared with prior art, the useful technique effect that this utility model brings shows:
Compared to traditional turbine, helicoid hydraulic motor drilling mode, owing to down-hole permanent magnet motor is positioned at down-hole and directly drives drilling tool to carry out drillng operation, therefore have the advantage that
1) magneto of the present utility model is more easy to the operating mode realizing the slow-speed of revolution, high pulling torque, is more suitable for hard geological drilling；
2) owing to motor directly drives drill bit in down-hole, make drillng operation highly efficient, convenient compared to alternate manner；
3) during drilling well, the change of drill bit power consumption will be reflected in the change of size of current at once；Electrodill is a kind of motor machine, can effectively make drilling process automatization；
4) load of drill bit can be monitored by aboveground ammeter, it is judged that with determine bit wear degree and preventing accident；
5) reduce vibration, reduce the impact on gyroscope location so that it is its equipment is more reliable；Higher temperature adaptation ability.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure cross-sectional schematic；
Fig. 2 is the partial enlarged drawing of A in this utility model Fig. 1；
Accompanying drawing labelling: 1, shell, 2, stator coil, 3, snap ring, 4, stator core module, 5, rotor core module, 6, baffle plate, 7, support member, 8, fixture, 9, bearing outer ring, 10, bearing inner race, 11, main shaft.
Detailed description of the invention
Embodiment 1
As this utility model one preferred embodiment, with reference to Figure of description 1, present embodiment discloses:
A kind of permanent magnet motor, including shell 1, main shaft 11, stator core and rotor core, described stator core includes some pieces of stator core modules 4, and stator core module 4 interval is fixed on shell 1 inwall；Described rotor core includes some pieces of rotor core modules 5, and rotor core module 5 is corresponding with stator core module 4 and is fixed on main shaft 11.
Embodiment 2
As this utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses:
A kind of permanent magnet motor, including shell 1, main shaft 11, stator core and rotor core, rotor core is fixed on main shaft 11, and the two ends of rotor core are fixed by snap ring 3, described stator core includes some pieces of stator core modules 4, and stator core module 4 interval is fixed on shell 1 inwall；Being provided with a support member 7 between adjacent two stator core modules 4, support member 7 is laminated by non-magnet material punching and surrounds；
Described rotor core includes some pieces of rotor core modules 5, and rotor core module 5 is corresponding with stator core module 4 and is fixed on main shaft 11, and the end positions of rotor core is fixed with snap ring 3, and snap ring 3 for being fixed on main shaft 11 by rotor core；Being provided with bearing between rotor core module 5, support member 7 is for spring bearing.
Embodiment 3
As this utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses:
In the present embodiment, permanent magnet motor is applied to down-hole equipment, in order to drive drill bit, due to the restriction of conditions down-hole, the diameter of motor is restricted, when not affecting power of motor, stator core and rotor core module 5 are changed, is divided into multiple module, stator coil 2 runs through all stator core modules 4, running through support member 7, support member 7 insulate simultaneously, for the bearing in supports main shaft 11；Rotor core is provided with permanent magnet, rotor core module 5 is fixed on main shaft 11, between adjacent two rotor core modules 5, bearing is set, baffle plate 6 is set between bearing and rotor core module 5 and insulate, support member 7 spring bearing, bearing outer ring 9 is fixed by fixture 8 with support member 7, fixture 8 can be expansion controlling ring-shaped insert, it is also possible to be rotation preventing device, support member 7 spring bearing, the rotation of supports main shaft 11, it is prevented that main shaft 11 is shaken.
Embodiment 4
As this utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses:
A kind of permanent magnet motor, including shell 1, main shaft 11, stator core and rotor core, described stator core includes some pieces of stator core modules 4, and stator core module 4 interval is fixed on shell 1 inwall；Described rotor core includes some pieces of rotor core modules 5, and rotor core module 5 is corresponding with stator core module 4 and is fixed on main shaft 11；Being provided with support member 7 between adjacent two stator core modules 4, described support member 7 is the support member 7 being overrided to form by non-magnet material punching；Being provided with groove in described stator core module 4, be provided with stator coil 2 in groove, described stator coil 2 runs through stator core and support member 7；Described rotor core module 5 is provided with permanent magnet；It is provided with bearing between adjacent two rotor core modules 5, between bearing and both sides rotor core, is provided with baffle plate 6；Described bearing and support member 7 are correspondingly arranged, and described bearing includes bearing outer ring 9 and bearing inner race 10, and described bearing outer ring 9 is contacted with support member 7 and fixed by fixture 8, and described bearing inner race 10 is fixed on main shaft 11；Described rotor core module 5 is identical with stator core module 4 quantity；Described rotor core module 5 is overrided to form by rotor punching；Described stator core module 4 is overrided to form by stator punching.
Claims (9)
1. a permanent magnet motor, including shell (1), main shaft (11), stator core and rotor core, it is characterised in that: described stator core includes some pieces of stator core modules (4), and stator core module (4) interval is fixed on shell (1) inwall；Described rotor core includes some pieces of rotor core modules (5), and rotor core module (5) is corresponding with stator core module (4) and is fixed on main shaft (11).
2. a kind of permanent magnet motor as claimed in claim 1, it is characterised in that: being provided with support member (7) between adjacent two stator core modules (4), described support member (7) is the support member (7) being overrided to form by non-magnet material punching.
3. a kind of permanent magnet motor as claimed in claim 2, it is characterised in that: being provided with groove on described stator core module (4), be provided with stator coil (2) in groove, described stator coil (2) runs through stator core and support member (7).
4. a kind of permanent magnet motor as claimed in claim 1, it is characterised in that: described rotor core module (5) is provided with permanent magnet.
5. a kind of permanent magnet motor as described in claim 1,2 or 4, it is characterised in that: it is provided with bearing between adjacent two rotor core modules (5), between bearing and both sides rotor core, is provided with baffle plate (6).
6. a kind of permanent magnet motor as claimed in claim 5, it is characterized in that: described bearing and support member (7) are correspondingly arranged, described bearing includes bearing outer ring (9) and bearing inner race (10), described bearing outer ring (9) is contacted with support member (7) and is fixed by fixture (8), and described bearing inner race (10) is fixed on main shaft (11).
7. a kind of permanent magnet motor as described in claim 1-4 any one, it is characterised in that: described rotor core module (5) is identical with stator core module (4) quantity.
8. a kind of permanent magnet motor as described in claim 1-4 any one, it is characterised in that: described rotor core module (5) is overrided to form by rotor punching.
9. a kind of permanent magnet motor as described in claim 1-4 any one, it is characterised in that: described stator core module (4) is overrided to form by stator punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620020550.4U CN205385355U (en) | 2016-01-11 | 2016-01-11 | Permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620020550.4U CN205385355U (en) | 2016-01-11 | 2016-01-11 | Permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205385355U true CN205385355U (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620020550.4U Active CN205385355U (en) | 2016-01-11 | 2016-01-11 | Permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205385355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510422A (en) * | 2018-11-01 | 2019-03-22 | 贝兹维仪器(苏州)有限公司 | A kind of electromagnetic drive motor and rotary steering drilling tool |
-
2016
- 2016-01-11 CN CN201620020550.4U patent/CN205385355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510422A (en) * | 2018-11-01 | 2019-03-22 | 贝兹维仪器(苏州)有限公司 | A kind of electromagnetic drive motor and rotary steering drilling tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |