CN218828935U - Rotary guide module motor - Google Patents

Abstract

The utility model discloses a rotatory direction module motor, include: the device comprises a communication wire, an outer barrel, a centralizer arranged in the outer barrel, a plunger piston structure and a rotating structure; the centralizer is connected with the plunger structure, and the plunger structure is connected with the rotating structure; the communication line radially extends to the central point of centralizer in the lateral wall of urceolus then, then penetrates plunger structure and rotating-structure in proper order from the central axial hole of plunger structure again, and the rotating-structure is worn out to the one end axial that the rotating-structure deviates from the plunger structure from to the communication line. The rotary steering module motor communication line can keep relative static with other structures, thereby well solving the technical problems mentioned in the prior art.

Description

Rotary guide module motor

Technical Field

The utility model relates to a rotary motor technical field, concretely relates to rotary steering module motor.

Background

The rotary motor is mainly applied to rotary steering drilling operation, in the prior art, a rotating speed difference exists between the screw stator and the rotor, the rotation is difficult to realize, and meanwhile, electric signal transmission can be carried out, so that the rotary motor which can rotate and has a reasonable circuit layout is arranged, and the technical problem which needs to be solved urgently is solved.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, it is desirable to provide a rotary steerable module motor.

The specific technical scheme is as follows:

a rotary steerable module motor, comprising: the device comprises a communication wire, an outer barrel, a centralizer, a plunger piston structure and a rotating structure, wherein the centralizer, the plunger piston structure and the rotating structure are arranged in the outer barrel;

the centralizer is connected with the plunger structure, and the plunger structure is connected with the rotating structure;

the communication line is arranged in the side wall of the outer barrel, extends along the axial direction, radially extends to the central point of the centralizer, then sequentially penetrates into the plunger structure and the rotating structure from the central axial hole of the plunger structure, and axially penetrates out of the rotating structure from one end of the rotating structure, which is deviated from the plunger structure.

In the above-mentioned rotary steerable module motor, the plunger structure further includes a plunger housing, a rotary base, a plunger, a first elastic member, a second elastic member, and a rotary contact pole;

the plunger, the first elastic piece, the second elastic piece and the rotating contact electrode are all positioned in the plunger shell, one part of the rotating base is positioned in the plunger shell, and the other part of the rotating base extends out of the plunger shell and is connected with the rotating structure;

the plunger shell is connected with the centralizer, the first elastic piece is arranged in the plunger shell, two ends of the first elastic piece respectively abut against the plunger shell and the plunger, a contact piece is arranged in the plunger, and the rotary contact pole is arranged in the plunger shell and can be in close contact with the contact piece; two ends of the second elastic piece are respectively abutted against the rotary contact pole and the rotary base, a closed oil cavity is formed between the plunger and the rotary base, and an oil filling hole is formed in the plunger shell and communicated with the oil cavity;

one end of the communication wire positioned in the plunger structure is electrically connected with the communication wire positioned in the centralizer, the other end of the communication wire positioned in the plunger structure is electrically connected with the contact piece, and the rotary contact electrode penetrates out of the rotary base and enters the rotating structure.

In the above rotary guide module motor, a pin base is disposed between the centralizer and the plunger housing, a first female pin is disposed in the pin base, a first pin is disposed in the plunger, one end of the first pin is inserted into the first female pin, the other end of the first pin is electrically connected to a first wire, the first wire is electrically connected to the contact piece, the rotary contact electrode is electrically connected to a second wire, and the second wire is electrically connected to the communication wire disposed in the rotary structure.

In the above rotary guide module motor, the rotary structure further comprises a communication rod, a rotor and a driving shaft which are coaxially connected in sequence, one end of the communication rod, which is far away from the rotor, is connected with the rotary base, and the communication wire sequentially penetrates through the communication rod and the central axis hole of the rotor and radially extends into the driving shaft.

Among the foretell rotary steering module motor, such characteristic still has, the rotor periphery is provided with the mounting groove, be provided with first conducting layer and contact communication circle in the mounting groove, first conducting layer sets up the tank bottom of mounting groove, the contact communication circle is established in the mounting groove and with first conducting layer contacts in order to realize the contact communication circle with the electric connection of first conducting layer, first conducting layer with be located in the rotor communication line electric connection, the drive shaft with still press from both sides between the rotor and be equipped with the touch polar shell, the touch polar shell with the contact communication circle contacts in order to realize the touch polar shell with electric connection between the contact communication circle, the touch polar shell with be located in the drive shaft communication line electric connection.

In the above-mentioned rotary steerable module motor, the contact housing further includes an insulating body and a second conductive layer disposed on the insulating body, the second conductive layer is disposed on a side of the insulating body facing the rotor, and the communication wire located in the driving shaft is electrically connected to the second conductive layer.

In the above-mentioned rotary steerable module motor, further having such a feature, the plunger housing is provided with an exhaust hole, and the exhaust hole is communicated with the oil chamber.

In the above-mentioned rotary steerable modular motor, the plunger housing is further characterized in that a pressure balance hole is provided at a position of the first elastic member, and the pressure balance hole radially penetrates through the plunger housing and is communicated with a position of the first elastic member.

In the above-mentioned rotary guide module motor, the rotary base is provided with a second pin, one end of the second pin is electrically connected to the second wire, the communication rod is provided with a joint rod having two second female pins, the other end of the second pin is connected to one end of the joint rod, so as to electrically connect the communication line in the plunger structure to the communication line in the rotary structure, and the other end of the joint rod is connected to a third pin in the rotor, so as to electrically connect the communication line in the communication rod to the communication line in the rotor.

In the above-mentioned rotary steerable module motor, the outer cylinder is provided with a cover plate at a position corresponding to the centralizer, and the communication line radially extends into the centralizer through the inner diameter of the cover plate.

The positive effects of the technical scheme are as follows:

the utility model provides a pair of rotary steering module motor, because urceolus and centralizer are all nonrotation, consequently can not lead to the communication line because rotatory and distortion, the communication line extends on pivoted revolution mechanic's center axis, also can not lead to the communication line because rotatory and distortion, can say that, in overall structure, the communication line can keep with other structures relative static and then solve the technical problem who mentions among the prior art well.

Drawings

Fig. 1 is a schematic view of an overall structure of a rotary steering module motor according to the present invention;

FIG. 2 is a schematic view of a portion of the rotary steerable module motor of FIG. 1 at A;

FIG. 3 is a partial schematic view of the rotary steerable module motor of FIG. 1 at B;

FIG. 4 is a partial schematic view of the rotary steerable module motor of FIG. 1 at C

Fig. 5 is a partial schematic view of the rotary steerable module motor of fig. 1 at D.

In the drawings: 1. a communication line; 2. an outer cylinder; 3. a centralizer; 4. a plunger housing; 5. rotating the base; 6. a plunger; 7. a first elastic member; 8. a second elastic member; 9. rotating the contact pole; 10. a contact piece; 11. an oil filler hole; 12. a pin base; 13. a first female pin; 14. a first pin; 15. a first electric wire; 16. a second electric wire; 17. inserting a pin block; 18. a communication rod; 19. a rotor; 191. mounting grooves; 20. a drive shaft; 21. a second pin; 22. a second female pin; 23. a connecting rod; 24. a third pin; 25. contacting the communication ring; 26. a contact shell; 27. drilling a hole by using slurry; 28. a bearing set; 31. a cover plate; 41. an exhaust hole; 42. a seal screw; 43. the screw is prevented from falling; 44. a bearing; 45. a pressure balance hole; a. a limiting ring; b. a communication loop; c. a stator; d. a first outer cylinder; e. a second outer cylinder; f. and (5) sealing rings.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a preferred embodiment is shown of a rotary steerable module motor comprising: the device comprises a communication wire 1, an outer barrel 2, a centralizer 3 arranged in the outer barrel 2, a plunger piston structure and a rotating structure;

the centralizer 3 is connected with a plunger structure, and the plunger structure is connected with a rotating structure;

communication line 1 sets up and extends in the lateral wall of urceolus 2 and along axial direction, then radially extends to the central point of centralizer 3, then penetrates plunger structure and rotating-structure in proper order from the central axial hole of plunger structure again, and rotating-structure is worn out to communication line 1 from the one end axial that rotating-structure deviates from the plunger structure.

The utility model provides a pair of rotary steering module motor, because urceolus 2 and centralizer 3 are all nonrotations, consequently can not lead to communication line 1 because rotatory and distortion, communication line 1 extends on pivoted rotating-structure's center axis, also can not lead to communication line 1 because rotatory and distortion, can say that, in overall structure, communication line 1 can keep with the relative stillness of other structures and then solve the technical problem who mentions among the prior art well. It should be noted that: the stator (in this embodiment, the stator is a part of the outer cylinder) is used as a reference frame for both rotation and non-rotation, and both the stator and the rotor rotate with reference to the ground in actual operation.

Specifically, the outer cylinder 2 has a cylindrical structure with both ends open. In the present embodiment, the outer cylinder 2 includes a plurality of shaft-connected cylinder structures.

Specifically, the plunger structure comprises a plunger shell 4, a rotating base 5, a plunger 6, a first elastic member 7, a second elastic member 8 and a rotating contact pole 9;

the plunger 6, the first elastic piece 7, the second elastic piece 8 and the rotary contact electrode 9 are all positioned in the plunger shell 4, one part of the rotary base 5 is positioned in the plunger shell 4, and the other part of the rotary base 5 extends out of the plunger shell 4 and is connected with the rotary structure;

the plunger shell 4 is connected with the centralizer 3, the first elastic part 7 is arranged in the plunger shell 4, two ends of the first elastic part 7 are respectively abutted against the plunger shell 4 and the plunger 6, a contact piece 10 is arranged in the plunger 6, and the rotary contact electrode 9 is arranged in the plunger shell 4 and can be tightly contacted with the contact piece 10; two ends of the second elastic part 8 are respectively propped against the rotary contact electrode 9 and the rotary base 5, a closed oil cavity is formed between the plunger 6 and the rotary base 5, an oil filling hole 11 is formed in the plunger shell 4, and the oil filling hole 11 is communicated with the oil cavity;

one end of the communication line 1 positioned in the plunger structure is electrically connected with the communication line 1 positioned in the centralizer 3, the other end of the communication line 1 positioned in the plunger structure is electrically connected with the contact piece 10, and the rotary contact electrode 9 penetrates out of the rotary base 5 and enters the rotating structure.

Wherein, the external diameter of centralizer 3 and the internal diameter looks adaptation of urceolus 2, centralizer 3 and urceolus 2 pass through sealing washer sealing connection. The centralizer 3 is provided with an axial slurry hole (not shown) for passing slurry. The plunger housing 4 is clamped with the centralizer 3 to realize axial fixation between the plunger housing and the centralizer. The outer diameter of the plunger shell 4 is smaller than the inner diameter of the outer barrel 2, and a cavity for slurry to pass through is formed between the plunger shell 4 and the outer barrel 2.

Alternatively, the first elastic member 7 and the second elastic member 8 are compression springs, and the elastic force of the first elastic member 7 is greater than that of the second elastic member 8.

Further, the oil chamber is arranged to inject oil into the oil chamber through the oil injection hole 11, and air in the oil chamber needs to be exhausted during oil injection, so in this embodiment, the plunger housing 4 is provided with an exhaust hole 41, the exhaust hole 41 is communicated with the oil chamber, and after the air is exhausted, the exhaust hole 41 needs to be blocked, and therefore, in this embodiment, a sealing structure is arranged at the exhaust hole 41, and optionally, the sealing structure may be a sealing screw 42. When the oil injection device is used, oil is injected into an oil cavity through the oil injection hole 11, air is exhausted from the exhaust hole 41, after the air is exhausted, the exhaust hole 41 is sealed through the sealing screw 42, at the moment, oil is continuously injected into the oil cavity, the oil in the oil cavity can push the plunger 6 to move upwards, meanwhile, the rotary contact pole 9 moves upwards under the pushing of the second elastic piece 8 and keeps in contact with the contact piece 10 all the time, the oil injection is stopped after reaching a certain degree (the oil injection amount is determined according to the upper limit of the designed single use time), at the moment, the pressure of the internal hydraulic oil is larger than the pressure of external slurry under the pushing of the first elastic piece 7 on the upper portion, and even if the rotary seal is slightly punctured, the slurry entering the oil cavity can not be short-circuited. A sealing screw 42 may also be used to seal the oil filler hole 11. Wherein. The seal screw 42 is a screw structure with a seal ring.

In order to realize the extension of the communication line 1 in the plurality of structures of the whole rotating motor, the communication line 1 in the embodiment is arranged in a segmented manner, for example, in the embodiment, a cover plate 31 is arranged on the outer cylinder 2 corresponding to the position of the centralizer 3, and the communication line 1 extends into the centralizer 3 radially through the inner diameter of the cover plate 31. The cover plate 31 is internally provided with a communication wire 1, the communication wire 1 is provided with two exposed wire ends, the cover plate 31 is covered on the outer barrel 2 after the wire ends are welded with the communication wire 1 in the outer barrel 2 or are electrically connected in a splicing or clamping way and the like, and the space between the cover plate 31 and the outer barrel 2 needs to be sealed to prevent slurry from entering and causing short circuit. For example, a plurality of connection modes described later are realized by matching the pins with the female pins.

In this embodiment, the plunger housing 4 is provided with a drop-proof screw 43 at an end thereof near the rotation structure for sealing the spin base 5. Preferably, a bearing 44 is provided between the spin base 5 and the drop-preventing screw 43 so that the spin base 5 can be rotated together with the rotating structure while the plunger housing 4 is in a stationary state.

Further, in order to realize pressure balance between the slurry and the oil chamber, a pressure balance hole 45 is formed in the position, located on the first elastic member 7, of the plunger housing 4, and the pressure balance hole 45 radially penetrates through the plunger housing 4 and is communicated with the position, located on the first elastic member 7, of the plunger housing. The arrangement makes mud enter the plunger shell 4 from the pressure balance hole 45 and the installation gap of the anti-falling screw 43, so as to achieve the purpose of pressure balance, but because the pressure in the oil cavity is greater than the pressure of the external mud, the mud cannot enter the plunger shell 4 from the pressure balance hole 45 and the installation gap of the anti-falling screw 43.

Optionally, a pin base 12 is disposed between the centralizer 3 and the plunger housing 4, a first female pin 13 is disposed in the pin base 12, a first pin 14 is disposed in the plunger 6, one end of the first pin 14 is inserted into the first female pin 13, the other end of the first pin 14 is electrically connected to a first wire 15, the first wire 15 is electrically connected to the contact piece 10, the rotary contact 9 is electrically connected to a second wire 16, and the second wire 16 is electrically connected to the communication line 1 located in the rotary structure. The electrical connection between the communication line 1 in the centralizer 3 and the communication line 1 in the plunger structure can be realized through the design of the first pin 14 and the first female pin 13. Wherein, the first elastic element 7 is sleeved outside the first electric wire 15.

Wherein, the plunger housing 4 is provided with a pin slot near one end of the pin base 12, a pin block 17 is arranged in the pin slot, and both ends of the first pin 14 penetrate through the pin block 17 and are electrically connected with the first female pin 13 and the first wire 15 respectively. One end of the plunger 6, which is abutted against the first elastic piece 7, is provided with a convex column, and the first elastic piece 7 is sleeved on the convex column. One end of the contact piece 10 passes through the plunger 6 to be electrically connected with the first wire 15, and the other end of the contact piece 10 can be arranged in a contact manner with the rotary contact pole 9 to realize the electrical connection between the two. One end of the rotary contact pole 9, which is in contact with the contact piece 10, is located outside the rotary base 5, the other end of the rotary contact pole 9 is located inside the rotary base 5, and the limit between the rotary contact pole 9 and the rotary base 5 is realized through a limit ring a between the rotary contact pole 9 and the rotary base 5, so that the rotary contact pole 9 can rotate along with the rotary base 5. The second elastic component 8 is sleeved at the other end of the rotating contact pole 9, in order to realize the abutting arrangement of the second elastic component 8, the rotating contact pole 9 is provided with a flange, one end of the second elastic component 8 abuts against the flange, and the other end of the second elastic component 8 abuts against the bottom of the rotating base 5.

Specifically, the rotating structure comprises a communication rod 18, a rotor 19 and a driving shaft 20 which are coaxially connected in sequence, one end, away from the rotor 19, of the communication rod 18 is connected with the rotating base 5, and the communication wire 1 sequentially penetrates through central axis holes of the communication rod 18 and the rotor 19 and radially extends into the driving shaft 20.

Optionally, the communication rod 18 is a high strength flexible communication rod structure. The rotor 19 is a rotating part of the whole rotating motor, and the communication rod 18, the rotor 19 and the driving shaft 20 are connected by a shaft and rotate integrally. The communication rod 18 is connected with the rotary base 5 and drives the rotary base 5 to rotate together, and the rotary base 5 rotates to drive the rotary contact electrode 9 to rotate.

In the embodiment, a second pin 21 is disposed in the rotating base 5, one end of the second pin 21 is electrically connected to the second wire 16, a connecting rod 23 having two second female pins 22 is disposed in the communication rod 18, the other end of the second pin 21 is connected to one end of the connecting rod 23, so as to electrically connect the communication line 1 in the plunger structure to the communication line 1 in the rotating structure, and the other end of the connecting rod 23 is connected to a third pin 24 disposed in the rotor 19, so as to electrically connect the communication line 1 in the communication rod 18 to the communication line 1 in the rotor 19.

The periphery of rotor 19 is provided with mounting groove 191, be provided with first conducting layer (not shown) and contact communication circle 25 in the mounting groove 191, first conducting layer sets up the tank bottom at mounting groove 191, contact communication circle 25 establishes in mounting groove 191 and contacts with first conducting layer in order to realize the electric connection of contact communication circle 25 with first conducting layer, first conducting layer and the communication line 1 electric connection that is located rotor 19, still press from both sides between drive shaft 20 and the rotor 19 and be equipped with touch shell 26, touch shell 26 contacts with contact communication circle 25 and realizes the electric connection between touch shell 26 and the contact communication circle 25, touch shell 26 and the communication line 1 electric connection that is located drive shaft 20.

The first conductive layer may be a copper foil layer, a layer of copper foil plated on the bottom of the mounting groove 191, or a copper foil layer attached to the bottom of the mounting groove 191. Optionally, the communication wires 1 located inside the rotor 19 are soldered to the first conductive layer.

Optionally, in this embodiment, the contact shell 26 includes an insulating body and a second conductive layer disposed on the insulating body, the second conductive layer is disposed on a side of the insulating body facing the rotor 19, and the communication wire 1 located in the driving shaft 20 is electrically connected to the second conductive layer. Optionally, the communication wire 1 located within the drive shaft 20 is soldered to the second conductive layer. Similarly, the second conductive layer may be a copper foil layer, which may be a layer of copper foil plated on the contact shell 26. Optionally, the insulating body is of annular configuration.

Alternatively, in other embodiments, the contact shell 26 may be made of a conductive material or an insulating material. If the contact shell 26 is made of conductive material, since the driving shaft 20 and the rotor 19 are generally made of conductive material, in order to realize insulation between the contact shell 26 and the driving shaft 20 and the rotor 19, an insulating layer is provided on the outer surface of the contact shell 26 contacting the driving shaft 20 and the rotor 19, and the conductivity is maintained on the side facing the rotor 19.

Further, a slurry through hole 27 is formed in the driving shaft 20, the slurry through hole 27 extends from the outer side surface of the driving shaft 20 to the inside of the driving shaft 20 and penetrates through the end surface of the driving shaft 20, and the slurry above enters the driving shaft 20 from the outer side surface of the driving shaft 20 and penetrates through the driving shaft 20.

Preferably, in the present embodiment, the communication wire 1 is provided with a communication ring b at the starting end of the outer cylinder 2, and the communication wire 1 is also provided with a communication ring b at the penetrating end of the driving shaft 20, and the communication ring b is provided for communication and power supply of the whole rotating motor and other external structures.

Optionally, in this embodiment, the outer cylinder 2 includes a stator c, a first outer cylinder d, and a second outer cylinder e, where the stator c is mainly located outside the rotor 19, the first outer cylinder d is located outside the plunger structure and the centralizer 3, and the second outer cylinder e is located at the end portion of the driving shaft 20, and in order to achieve shaft connection among the stator c, the first outer cylinder d, and the second outer cylinder e, the stator c is connected with the first outer cylinder d by using a snap-in anti-drop cylinder, and the stator c is connected with the second outer cylinder e by using a snap-in anti-drop cylinder. Wherein, the cover plate 31 is arranged on the outer cylinder d. And a bearing set 28 is arranged inside the second outer cylinder e.

Wherein the distal end of the drive shaft 20 is enlarged and may also be connected to an external structure.

In the present embodiment, sealing rings f may be used for sealing, for example, between the centralizer 3 and the outer cylinder 2, between the plunger housing 4 and the centralizer 3, between the cover plate 31 and the outer cylinder 2, between the pin block 17 and the plunger housing 4, between the plunger 6 and the plunger housing 4, between the rotating base 5 and the plunger housing 4, between the sealing screw 42 and the oil filling hole 11 or the air discharging hole 41, between the rotating base 5 and the communication rod 18, between the rotor 19 and the communication rod 18, and between the rotor 19 and the driving shaft 20. This is merely an example and is not intended to limit the present invention.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims (10)

1. A rotary steerable module motor, comprising: the device comprises a communication wire, an outer barrel, a centralizer, a plunger piston structure and a rotating structure, wherein the centralizer, the plunger piston structure and the rotating structure are arranged in the outer barrel;

the centralizer is connected with the plunger structure, and the plunger structure is connected with the rotating structure;

the communication line is arranged in the side wall of the outer barrel, extends along the axial direction, then radially extends to the central point of the centralizer, then sequentially penetrates into the plunger structure and the rotating structure from the central axial hole of the plunger structure, and axially penetrates out of the rotating structure from one end of the rotating structure, which is deviated from the plunger structure.

2. The rotary steerable module motor of claim 1, wherein the plunger structure comprises a plunger housing, a rotating base, a plunger, a first resilient member, a second resilient member, and a rotating contact pole;

the plunger, the first elastic piece, the second elastic piece and the rotating contact electrode are all positioned in the plunger shell, one part of the rotating base is positioned in the plunger shell, and the other part of the rotating base extends out of the plunger shell and is connected with the rotating structure;

the plunger shell is connected with the centralizer, the first elastic piece is arranged in the plunger shell, two ends of the first elastic piece respectively abut against the plunger shell and the plunger, a contact piece is arranged in the plunger, and the rotary contact electrode is arranged in the plunger shell and can be in close contact with the contact piece; two ends of the second elastic piece are respectively abutted against the rotary contact pole and the rotary base, a closed oil cavity is formed between the plunger and the rotary base, and an oil filling hole is formed in the plunger shell and communicated with the oil cavity;

one end of the communication wire positioned in the plunger structure is electrically connected with the communication wire positioned in the centralizer, the other end of the communication wire positioned in the plunger structure is electrically connected with the contact piece, and the rotary contact pole penetrates out of the rotary base and enters the rotating structure.

3. The module motor as claimed in claim 2, wherein a pin base is disposed between the centralizer and the plunger housing, a first female pin is disposed in the pin base, a first pin is disposed in the plunger, one end of the first pin is inserted into the first female pin, the other end of the first pin is electrically connected to a first wire, the first wire is electrically connected to the contact piece, the rotary contact electrode is electrically connected to a second wire, and the second wire is electrically connected to the communication wire disposed in the rotary structure.

4. The module motor as claimed in claim 3, wherein the rotating structure comprises a communication rod, a rotor and a driving shaft coaxially connected in sequence, one end of the communication rod, which is far away from the rotor, is connected with the rotating base, and the communication wire sequentially penetrates through the central axial holes of the communication rod and the rotor and radially extends into the driving shaft.

5. The rotary steerable module motor according to claim 4, wherein the rotor has a mounting groove formed on its periphery, a first conductive layer and a contact communication ring are disposed in the mounting groove, the first conductive layer is disposed at the bottom of the mounting groove, the contact communication ring is disposed in the mounting groove and contacts with the first conductive layer to electrically connect the contact communication ring with the first conductive layer, the first conductive layer is electrically connected with the communication wire disposed in the rotor, a contact shell is further interposed between the driving shaft and the rotor, the contact shell is in contact with the contact communication ring to electrically connect the contact shell with the contact communication ring, and the contact shell is electrically connected with the communication wire disposed in the driving shaft.

6. The rotary steerable module motor of claim 5, wherein the contact housing comprises a dielectric body and a second conductive layer disposed on the dielectric body, the second conductive layer being disposed on a side of the dielectric body facing the rotor, the communication wires within the drive shaft being electrically connected to the second conductive layer.

7. The rotary steerable module motor of any of claims 2-6, wherein a vent is provided on the plunger housing, the vent communicating with the oil chamber.

8. The module motor of claim 7, wherein the plunger housing is provided with a pressure balance hole at the location of the first elastic member, and the pressure balance hole extends radially out of the plunger housing and communicates with the location of the first elastic member.

9. The module motor according to any one of claims 4 to 6, wherein a second pin is disposed in the rotating base, one end of the second pin is electrically connected to the second wire, a joint rod having two second female pins is disposed in the communication rod, the other end of the second pin is connected to one end of the joint rod to electrically connect the communication line in the plunger structure and the communication line in the rotating structure, and the other end of the joint rod is connected to a third pin disposed in the rotor to electrically connect the communication line in the communication rod and the communication line in the rotor.

10. The rotary steerable module motor of any of claims 1-6, wherein a cover plate is provided on the outer barrel at a location corresponding to the centralizer, the communication wires extending radially into the centralizer through an inner diameter of the cover plate.

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