CN209016885U - A kind of oil field asynchronous motor - Google Patents

Abstract

The utility model discloses a kind of oil field asynchronous motors, it is related to oilfield exploitation technical field, it specially include sheath body, the middle part fixing sleeve of the sheath body side is equipped with the first deviation correcting device, and the middle part fixing sleeve of sheath body inner cavity is equipped with magnet, middle part on the inside of the magnet is movably installed with induction coil, and the middle part fixing sleeve on the inside of induction coil is equipped with output shaft, the top and bottom of the output shaft side open up fluted, and the side of two grooves is movably installed with the first spring, the other side of two inside grooves is connected with kelly, the external activity of the output shaft is set with flabellum.The oil field asynchronous motor, fixed link and sheath body are unlocked by pressing locker, rear cover can be made to remove, makes the rear cover at asynchronous motor back convenient for removing, output shaft can be extracted out from the inside of sheath body, be not easy to the case where being replaced after solving existing asynchronous motor shaft damage.

Description

A kind of oil field asynchronous motor

Technical field

The utility model relates to oilfield exploitation technical field, specially a kind of oil field asynchronous motor.

Background technique

Oil field refer to by single construction control under same areal extent in one group of oil reservoir combination, via man-made recovery it Become oil field afterwards, oil field generally has two class equipment of exploitation and oil transportation, and asynchronous motor is that field mining equipment is commonly electronic One of machine, asynchronous motor, i.e. rotor are placed in rotating excitation field, under the action of rotating excitation field, obtain a rotating torque, because And rotor rotates, it is in usually mouse cage shape that rotor is rotatable conductor more, and stator is the part not rotated in motor, mainly Task is to generate a rotating excitation field, and rotating excitation field is not mechanically to realize, but with alternating current pass through several pairs of electricity In magnet, make its magnetic pole property varying cyclically, therefore be equivalent to the magnetic field of a rotation, this motor is unlike dc motor There are brush or collector ring, the type according to alternating current used has single-phase motor and threephase motor, and single-phase motor is used in such as Washing machine and electric fan etc., threephase motor are then used as the power-equipment of factory.

Existing asynchronous motor is not easy to dismantle, and is not easy to be replaced after motor rotary shaft damage, makes motor Maintenance it is relatively cumbersome, and existing asynchronous motor is not easy to hole position alignment when installing rotor, makes turning for asynchronous motor Sub- installation effectiveness is put down lower, and furthermore the flabellum inside existing asynchronous motor is not easy to replace, and affects asynchronous motor and tears open The convenience of dress.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of oil field asynchronous motor, solves above-mentioned back The problem of being proposed in scape technology.

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of oil field asynchronous electric Machine, including sheath body, the middle part fixing sleeve of the sheath body side are equipped with the first deviation correcting device, and the fixed suit in middle part of sheath body inner cavity There is magnet, the middle part on the inside of the magnet is movably installed with induction coil, and the middle part fixing sleeve on the inside of induction coil is equipped with defeated Shaft, the top and bottom of the output shaft side open up fluted, and the side of two grooves is movably installed with first Spring, the other side of two inside grooves are connected with kelly, and the external activity of the output shaft is set with flabellum, described Side at the top and bottom of sheath body is fixedly installed with locker, and the side of sheath body is equipped with rear cover, the rear cover inner wall Middle part is fixedly installed with the second deviation correcting device, and the top and bottom of rear cover side are fixedly installed with fixed link；

First deviation correcting device includes lasso, and lasso is fixedly set in the middle part of sheath body side, the lasso side Inner wall be connected with shaft, and the other side of collar lumens is movably installed with retainer, and the outside of the retainer and lasso are another Steel ball is connected between the inner wall of side；

The locker includes set casing, and set casing is fixedly mounted on the side at the top of sheath body, in the set casing Pressing plate is connected in the middle part of chamber, and the side of pressing plate bottom end is fixedly installed with axis, the side on the pressing plate top is fixedly mounted There is briquetting, the side of the set casing inner cavity is equipped with second spring.

Optionally, the bottom of the groove side is connect with the side of kelly bottom by the first spring transmission, and kelly The middle part on top is equipped with convex block.

Optionally, there are four blades altogether for the flabellum, and the maximum gauge value of flabellum is less than the interior diameter of sheath body.

Optionally, first deviation correcting device and the second deviation correcting device are located on same central axes, and the first deviation correcting device It is contrary with the second deviation correcting device.

Optionally, the side of set casing bottom end, and the side of set casing intracavity bottom and pressure are run through in the bottom end of the axis The other side at board bottom end is sequentially connected by second spring.

Optionally, the side of the rear cover offers heat release hole, and heat release hole is distributed in the side of rear cover in a ring.

Optionally, card slot is offered in the middle part of the fixed link.

Optionally, the outside of the induction coil is not contacted with the inside of magnet, and the length value of induction coil is less than magnetic The length value of iron.

The utility model provides a kind of oil field asynchronous motor, have it is following the utility model has the advantages that

1, fixed link and sheath body are unlocked by pressing locker, rear cover can be made to tear open by the oil field asynchronous motor Under, make the rear cover at asynchronous motor back convenient for removing, output shaft can be extracted out from the inside of sheath body, be solved existing asynchronous The case where being replaced is not easy to after motor rotary shaft damage.

2, the oil field asynchronous motor installs asynchronous electricity by being equipped with the first deviation correcting device in the middle part of sheath body side When motivation rotor, when rotor hole location not to just after can to rotor carry out bias correction, and can reduce rotor insertion when resistance, solution The case where existing asynchronous motor of having determined is not easy to hole position alignment when installing rotor.

3, the oil field asynchronous motor is jacked up kelly by the first spring, make kelly can by the inside stretching of flabellum, Pressing kelly can separate the convex block at the top of kelly with the inner wall of flabellum, can extract flabellum out from the side of output shaft, solve Flabellum inside existing asynchronous motor is not easy to the case where replacement.

Detailed description of the invention

Fig. 1 is the utility model main view；

Fig. 2 is the partial enlarged view of the utility model Fig. 1；

Fig. 3 is the enlarged drawing of the first deviation correcting device of the utility model；

Fig. 4 is the enlarged drawing of the utility model locker.

In figure: 1, sheath body；2, the first deviation correcting device；21, lasso；22, shaft；23, retainer；24, steel ball；3, magnet； 4, induction coil；5, output shaft；6, groove；7, the first spring；8, kelly；9, locker；91, set casing；92, pressing plate；93, Axis；94, briquetting；95, second spring；10, flabellum；11, rear cover；12, the second deviation correcting device；13, fixed link.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

The utility model provides a kind of technical solution referring to FIG. 1 to FIG. 4: a kind of oil field asynchronous motor, including set Shell 1, the middle part fixing sleeve of 1 side of sheath body is equipped with the first deviation correcting device 2, and the middle part fixing sleeve of 1 inner cavity of sheath body is equipped with magnet 3, The middle part of 3 inside of magnet is movably installed with induction coil 4, and the middle part fixing sleeve of 4 inside of induction coil is equipped with output shaft 5, defeated The side that the top and bottom of 5 side of shaft open up fluted 6, and two grooves 6 is movably installed with the first spring 7, and two The other side inside a groove 6 is connected with kelly 8, and the external activity of output shaft 5 is set with flabellum 10,1 top of sheath body and bottom The side in portion is fixedly installed with locker 9, and the side of sheath body 1 is equipped with rear cover 11, the fixed peace in the middle part of 11 inner wall of rear cover Top and bottom equipped with the second deviation correcting device 12, and 11 side of rear cover are fixedly installed with fixed link 13；

First deviation correcting device 2 includes lasso 21, and lasso 21 is fixedly set in the middle part of 1 side of sheath body, 21 side of lasso Inner wall be connected with shaft 22, and the other side of 21 inner cavity of lasso is movably installed with retainer 23, the outside of retainer 23 and set It encloses between the inner wall of 21 other sides and is connected with steel ball 24, the first deviation correcting device 2 can rectify a deviation to output shaft 5, effectively increase The efficiency that output shaft 5 is installed；

Locker 9 includes set casing 91, and set casing 91 is fixedly mounted on the side at the top of sheath body 1, in set casing 91 Pressing plate 92 is connected in the middle part of chamber, and the side of 92 bottom end of pressing plate is fixedly installed with axis 93, the side on 92 top of pressing plate is fixed Briquetting 94 is installed, the side of 91 inner cavity of set casing is equipped with second spring 95, and locker 9 can be by fixed link 13 by rear cover 11 is fixed, effectively increases the convenience of the installation of rear cover 11, and the bottom of 6 side of groove and the side of 8 bottom of kelly pass through first Spring 7 is sequentially connected, and the middle part on 8 top of kelly is equipped with convex block, and flabellum 10 is altogether there are four blade, and the maximum gauge of flabellum 10 Value is less than the interior diameter of sheath body 1, and flabellum 10 can blow out the heat inside sheath body 1, effectively increases the heat dissipation of asynchronous motor Ability, the first deviation correcting device 2 and the second deviation correcting device 12 are located on same central axes, and the first deviation correcting device 2 and the second correction Device 12 it is contrary, the first deviation correcting device 2 and the second deviation correcting device 12 can be rectified a deviation and be stablized to output shaft 5, effectively The convenience of asynchronous motor rotor dismounting is improved, the side of 91 bottom end of set casing, and set casing are run through in the bottom end of axis 93 The side of 91 intracavity bottoms and the other side of 92 bottom end of pressing plate are sequentially connected by second spring 95, and the side of rear cover 11 offers Heat release hole, and heat release hole is distributed in the side of rear cover 11 in a ring, the middle part of fixed link 13 offers card slot, induction coil 4 Outside is not contacted with the inside of magnet 3, and the length value of induction coil 4 is less than the length value of magnet 3.

To sum up, the oil field asynchronous motor, in use, first penetrate output shaft 5 from the middle part of 1 inside of sheath body, when It continues to press on output shaft 5 after the interior side contacts of one end of output shaft 5 and the first deviation correcting device 2 to translate to side, secondly first entangles Deflection device 2 rectifies a deviation to output shaft 5, passes through output shaft 5 from the middle part of the first deviation correcting device 2, allows limit outside 5 side of output shaft Flabellum 10, is then inserted in by one side contacts of position ring and the first deviation correcting device 2 from the other side of output shaft 5, secondly internally squeezes Pressure kelly 8 simultaneously kelly 8 is unclamped, make 8 bottom of kelly convex block and flabellum 10 inside be clamped, then by the side of rear cover 11 with Fixed link 13 is connected to the side of sheath body 1 finally by locker 9 to just by the side of sheath body 1.

Claims (8)

1. a kind of oil field asynchronous motor, it is characterised in that: including sheath body (1), the middle part fixing sleeve of sheath body (1) side Equipped with the first deviation correcting device (2), and the middle part fixing sleeve of sheath body (1) inner cavity is equipped with magnet (3), on the inside of the magnet (3) in Portion is movably installed with induction coil (4), and the middle part fixing sleeve on the inside of induction coil (4) is equipped with output shaft (5), the output shaft (5) top and bottom of side open up fluted (6), and the side of two grooves (6) is movably installed with the first spring (7), two internal other sides of the groove (6) are connected with kelly (8), and the external activity of the output shaft (5) is set with Flabellum (10), the side at the top and bottom of the sheath body (1) is fixedly installed with locker (9), and the side of sheath body (1) is set Have rear cover (11), is fixedly installed with the second deviation correcting device (12) in the middle part of rear cover (11) inner wall, and rear cover (11) side Top and bottom are fixedly installed with fixed link (13)；

First deviation correcting device (2) includes lasso (21), and lasso (21) is fixedly set in the middle part of sheath body (1) side, institute The inner wall for stating lasso (21) side is connected with shaft (22), and the other side of lasso (21) inner cavity is movably installed with retainer (23), steel ball (24) are connected between the outside of the retainer (23) and the inner wall of lasso (21) other side；

The locker (9) includes set casing (91), and set casing (91) is fixedly mounted on the side at the top of sheath body (1), institute It states and is connected with pressing plate (92) in the middle part of set casing (91) inner cavity, and the side of pressing plate (92) bottom end is fixedly installed with axis (93), The side on pressing plate (92) top is fixedly installed with briquetting (94), and the side of set casing (91) inner cavity is equipped with the second bullet Spring (95).

2. a kind of oil field asynchronous motor according to claim 1, it is characterised in that: the bottom of groove (6) side The side of portion and kelly (8) bottom is sequentially connected by the first spring (7), and the middle part on kelly (8) top is equipped with convex block.

3. a kind of oil field asynchronous motor according to claim 1, it is characterised in that: there are four the flabellum (10) is total Blade, and the maximum gauge value of flabellum (10) is less than the interior diameter of sheath body (1).

4. a kind of oil field asynchronous motor according to claim 1, it is characterised in that: first deviation correcting device (2) It is located on same central axes with the second deviation correcting device (12), and the direction of the first deviation correcting device (2) and the second deviation correcting device (12) On the contrary.

5. a kind of oil field asynchronous motor according to claim 1, it is characterised in that: the bottom end of the axis (93) is passed through Wear the side of set casing (91) bottom end, and the other side of the side of set casing (91) intracavity bottom and pressing plate (92) bottom end passes through the Two springs (95) transmission connection.

6. a kind of oil field asynchronous motor according to claim 1, it is characterised in that: open the side of the rear cover (11) Equipped with heat release hole, and heat release hole is distributed in the side of rear cover (11) in a ring.

7. a kind of oil field asynchronous motor according to claim 1, it is characterised in that: the middle part of the fixed link (13) Offer card slot.

8. a kind of oil field asynchronous motor according to claim 1, it is characterised in that: outside the induction coil (4) Side is not contacted with the inside of magnet (3), and the length value of induction coil (4) is less than the length value of magnet (3).