CN212508074U

CN212508074U - Underground rotary guide drill bit device

Info

Publication number: CN212508074U
Application number: CN202021244488.XU
Authority: CN
Inventors: 张军锋; 李晓军; 罗维; 陈嘉陵; 王飞跃; 马红滨; 何新航
Original assignee: China National Petroleum Corp; CNPC Xibu Drilling Engineering Co Ltd
Current assignee: China National Petroleum Corp; CNPC Xibu Drilling Engineering Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-09
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to an oil drilling and production technical field is a rotatory direction drill bit device in pit, including dabber, lower clutch, irrotational urceolus, go up the electronics storehouse assembly, down the electronics storehouse assembly, change assembly, upper bearing assembly, lower bearing assembly and hydraulic drive device soon. The utility model has the advantages of reasonable and compact structure, can be with power electricity and data signal in the two-way communication module by last electronic compartment assembly transmission downwards, through upper and lower bearing assembly, reduce the utility model discloses an axial vibrations and swing through revolving the assembly, can realize power electricity and data signal's wireless two-way transmission, lower electronic compartment assembly gives power electricity and data signal transmission hydraulic drive device, makes the lower clutch be located predetermined well orbit all the time, reduces the utility model discloses directional and the requirement of direction of sliding, hydraulic drive device is again with the state signal of motion upwards feedback to ground, supplies the operator to operate, and the vertical drilling technique of practical application, the speed-raising effect is showing.

Description

Underground rotary guide drill bit device

Technical Field

The utility model relates to an oil drilling and production technical field is a rotatory direction drill bit device in pit.

Background

The rotary steering system can greatly improve the mechanical drilling speed, particularly the application on horizontal wells and extended reach wells, and the system can obviously reduce the friction force of the drilling tool, reduce the requirements on orientation and sliding steering and reduce the axial vibration and swing of the drilling tool. The rotary guiding tool is used as a core technology for economic and effective development of long horizontal section, unconventional and ultra-deep oil and gas reservoirs, and is effective guarantee for improving speed, quality and yield.

Disclosure of Invention

The utility model provides a rotatory direction drill bit device in pit has overcome above-mentioned prior art not enough, and it can effectively solve the directional requirement height and the drilling tool axial vibrations of direction and the big problem of swing of rotation guidance system.

The technical scheme of the utility model is realized through following measure: a downhole rotary guide drill bit device comprises a mandrel, a lower joint, a non-rotating outer barrel, an upper electronic bin assembly, a lower electronic bin assembly, a rotary transformer assembly, an upper bearing assembly, a lower bearing assembly and a hydraulic driving device, wherein the mandrel is a stepped shaft with a first slurry passing channel which is vertically communicated and is arranged in the center, the outer side of the lower end of the mandrel is fixedly connected with the inner side of the upper end of the lower joint, a second slurry passing channel communicated with the first slurry passing channel is arranged in the center of the lower end of the lower joint, the non-rotating outer barrel coaxially arranged with the mandrel is sleeved on the outer side of the middle part of the mandrel, the hydraulic driving device capable of changing the direction of a well hole is arranged on the outer side of the lower part of the non-rotating outer barrel, the lower electronic bin assembly is arranged between the inner side of the middle part of the non-rotating outer barrel and the outer side of the mandrel corresponding to the upper, an upper bearing assembly is arranged between the inner side of the non-rotating outer barrel corresponding to the upper side position of the rotary assembly and the outer side of the mandrel, a lower bearing assembly capable of adjusting assembly tolerance is arranged between the inner side of the lower end of the non-rotating outer barrel and the outer side of the upper end of the upper joint, an axial first wire passing channel is arranged at the upper end of the left part of the mandrel at the outer side of the upper electronic cabin assembly, a first cable capable of connecting the upper electronic cabin assembly with the bidirectional communication module is arranged in the first wire passing channel, a second wire passing channel is arranged on the mandrel wall corresponding to the position between the rotary assemblies between the upper electronic cabin assembly, a second cable capable of connecting the upper electronic cabin assembly with the rotary assembly is arranged in the second wire passing channel in a penetrating manner, a third wire passing channel is arranged on the wall of the lower electronic cabin assembly, a third cable capable of connecting the rotary assembly with the lower electronic cabin assembly is arranged in the third wire passing channel, a fourth wire passing channel is arranged on the non-rotating outer, a fourth cable which can connect the lower electronic cabin assembly with the hydraulic driving device is arranged in the fourth wire passing channel.

The following are further optimization or/and improvement of the technical scheme of the utility model:

the upper electronic bin assembly comprises a round sleeve-shaped upper electronic barrel and a locking assembly, the upper electronic barrel is coaxially sleeved on the inner side of the upper part of the mandrel, a first connecting step is arranged on the outer side of the lower part of the upper electronic barrel, a second connecting step matched with the first connecting step is arranged on the inner side of the mandrel, at least one limit connecting screw rod is screwed on the lower end surface of the first connecting step, an upper positioning blind hole is arranged on the upper end surface of the second connecting step corresponding to the position of each limit connecting screw rod, the lower part of each limit connecting screw rod is arranged in the upper positioning blind hole corresponding to the corresponding position, the inner side of the mandrel is in sealing contact with the outer side of the first connecting step, an upper connecting thread is arranged on the inner side of the upper end of the mandrel, a locking assembly is arranged on the inner side of the mandrel corresponding to the position between the upper connecting thread and the upper electronic barrel, and the locking assembly comprises a lower conical, the inner side of the mandrel corresponding to the upper end position of the electronic cylinder is sleeved with a lower conical sleeve in a circular sleeve shape, the outer circumferential surface of the lower conical sleeve is in a conical shape with a small upper part and a large lower part, the upper end of the inner side of the lower conical sleeve is provided with a first outer ring platform protruding upwards, the outer side of the first outer ring platform is sleeved with an upper conical sleeve in a circular sleeve shape, the upper conical sleeve and the lower conical sleeve are fixedly connected through a plurality of first connecting bolts uniformly distributed along the circumference of the upper end surface of the upper conical sleeve, the lower end of the outer side of the upper conical sleeve is uniformly distributed with at least two clamping jaws which can be abutted against the inner side of the mandrel when moving downwards at intervals along the circumference, the outer side of the upper end of the first outer ring platform corresponding to the upper end position of the upper conical sleeve is sleeved with a first adjusting ring, and;

the outer side of the middle part of the upper electronic cylinder is evenly provided with at least two upper communication bins with outward openings at intervals along the circumferential direction, the outer side of the upper part of the upper electronic cylinder is provided with a first ring groove, the lower part of the first ring groove is communicated with the upper side of each upper communication bin, the outer side of the lower part of the upper electronic cylinder is provided with a second ring groove, the upper part of the second ring groove is communicated with the lower part of each upper communication bin, the outer side of the upper electronic cylinder is sleeved with an upper electronic sleeve, the inner side of the upper end and the inner side of the lower end of the upper electronic sleeve are respectively and hermetically connected with the outer side of the upper end and the outer side of the lower end of the upper electronic cylinder, the outer side of the left part of the mandrel corresponding to the lower end of the upper electronic cylinder is provided with a first inspection groove with a leftward opening, the left part of the first inspection groove is fixedly and hermetically provided with a first inspection cover, the, the upper part of the first checking groove is communicated with the second annular groove through a second wire passing hole, the first checking groove and the second wire passing hole form a first wire passing channel, the first cable comprises a first communication cable, a second communication cable and a first connecting contact pin, the outer side of the upper part of the first connecting contact pin is fixedly arranged on the inner side of the lower end of the first wire passing hole, the upper end of the first connecting contact pin is connected with the lower end of the first communication cable penetrating through the first wire passing hole, the upper end of the first communication cable can be connected with a bidirectional communication module, and the other end of the first connecting contact pin is connected with the second communication cable penetrating through the second wire passing hole;

a second inspection groove which is internally and externally communicated is arranged on the outer side of the right part of the mandrel corresponding to the lower end position of the first connecting step, a second inspection cover is fixedly arranged on the right part of the second inspection groove in a sealing way, the right side surface of the second inspection cover is an arc surface consistent with the outer side surface of the mandrel, a first threaded hole which is internally and externally communicated is arranged on the right side surface of the second inspection cover, a first oil plug is connected in the first threaded hole in a sealing way in a screw way, a first connecting groove with a rightward opening is arranged on the lower end surface of the first connecting step of the upper electronic barrel corresponding to the position of the second inspection groove, the lower part of the first connecting groove is communicated with the left part of the second inspection groove, the upper part of the first connecting groove is communicated with the second annular groove through two third wire passing holes which are arranged on the wall of the upper electronic barrel, a fourth wire passing hole is arranged on the wall of the mandrel corresponding to the position of each third wire passing hole, the, the third wire passing hole, the first connecting groove, the second checking groove and the fourth wire passing hole form a second wire passing channel, the second cable comprises two third communication cables, two fourth communication cables and two second connecting pins, the upper parts of the two second connecting pins are respectively screwed on the inner sides of the lower parts of the two third wire passing holes, the two third communication cables are respectively penetrated in the two third wire passing holes, the two fourth communication cables are respectively penetrated in the two fourth wire passing holes, one ends of the two third communication cables are respectively connected with the second communication cables, the other ends of the two third communication cables are respectively connected with the upper ends of the two second connecting pins, one ends of the two fourth communication cables are respectively connected with the lower ends of the two second connecting pins, and the other ends of the two fourth communication cables are respectively connected with the rotary transformer assembly.

The rotary transformer assembly comprises a rotor sleeve, a stator sleeve, an inner shell, an outer shell, a primary winding, a secondary winding, an outer magnetic stripe and an inner magnetic stripe, wherein the rotor sleeve is coaxially arranged and fixedly arranged on the outer side of the middle part of a mandrel corresponding to the inner side of the upper part of an irrotational outer cylinder in a sealing manner, a second outer ring platform is arranged on the outer side of the upper end of the rotor sleeve, an upper bearing assembly is arranged between the mandrel on the upper side of the second outer ring platform and the irrotational outer cylinder, a rotor ring groove is arranged on the outer side of the middle part of the rotor sleeve corresponding to the lower side of the second outer ring platform, an arc groove with an outward opening is arranged on the outer side of the middle part of the second outer ring platform, first wire passing grooves with upward openings are arranged on the inner side of the upper end of the rotor sleeve corresponding to the lower end of each fourth wire passing hole, the lower parts of each first wire passing groove are communicated, the upper parts of all the arc grooves of the second wire passing grooves are communicated with the lower parts of all the arc grooves, inner wire passing plates of axes are arranged in the rotor ring grooves corresponding to the positions of the second wire passing grooves, each inner wire passing plate is of a plate-shaped structure with an E-shaped radial section, a plurality of inner magnetic strips with an E-shaped radial section are uniformly distributed in the rotor ring grooves at the left and right sides of each inner wire passing plate along the circumference, a first signal cable groove with an inward opening is arranged at one side of each inner wire passing plate close to the outer side of the mandrel, the upper end of each first signal cable groove is communicated with the lower end of one of the second wire passing grooves, a second signal cable groove with an outward opening is arranged at the other side of each inner wire passing plate far from the outer side of the mandrel, the upper end of each second signal cable groove is communicated with the lower end of the other second wire passing groove, primary windings are arranged in the rotor ring grooves corresponding to the two, The other end of the primary winding sequentially passes through the second signal cable groove, the second wire passing groove, the arc groove, the fifth wire passing hole and the first wire passing groove to be connected with the corresponding fourth communication cable, a round sleeve-shaped inner shell is arranged on the outer side of the rotor sleeve, the inner side of the upper end of the inner shell is hermetically connected with the outer side of a second outer ring platform positioned on the upper side of the rotor ring groove, the inner side of the lower end of the inner shell is hermetically connected with the outer side of the lower part of the rotor sleeve positioned on the lower side of the rotor ring groove, at least two clamping blocks are uniformly distributed on the upper end surface of the inner shell along the circumference, a third outer ring platform is arranged on the upper end of the second outer ring platform, a vertically through clamping groove is arranged on the outer side of the third outer ring platform corresponding to the position of each clamping block, and each clamping block is clamped in the clamping groove corresponding to;

the outer side of the inner shell is coaxially provided with a stator sleeve, the outer side of the stator sleeve is hermetically connected with the inner side of the irrotational outer cylinder, the upper end of the stator sleeve is fixedly provided with a flange sleeved on the outer side of the third outer ring platform, an upper bearing assembly is arranged between the irrotational outer cylinder and the mandrel at the upper side of the flange, the inner side of the stator sleeve is provided with at least two E-shaped clapboards which are distributed at intervals along the circumference, an outer wire passing plate is fixedly arranged between two adjacent clapboards, the outer wire passing plate is of a platy structure with an E-shaped radial section, coaxially arranged outer magnetic strips are embedded between two adjacent clapboards corresponding to the left side and the right side of the outer wire passing plate, the inner side of the stator sleeve is fixedly and hermetically provided with a;

a third signal cable groove and a fourth signal cable groove are arranged on one side of the outer magnetic strip, the outer wire passing plate and the partition plate, which is close to the outer side of the inner shell, at an upper and lower interval, a secondary winding is arranged in the third signal cable groove and the fourth signal cable groove, a sixth wire passing hole communicated with the third signal cable groove is arranged at the upper part of the outer wire passing plate, a seventh wire passing hole communicated with the fourth signal cable groove is arranged at the lower part of the outer wire passing plate, an eighth wire passing hole communicated with the inside and the outside is arranged at the outer side of the upper part of the stator sleeve corresponding to the sixth wire passing hole, a ninth wire passing hole communicated with the inside and the outside is arranged at the outer side of the lower part of the stator sleeve corresponding to the seventh wire passing hole, a fifth signal cable groove with an outward opening is arranged at the outer side of the stator sleeve corresponding to the eighth wire passing hole, the lower end of the fifth signal cable groove extends downwards to the lower end surface of the stator sleeve, the lower end of the sixth signal cable groove extends downwards to the lower end face of the stator sleeve and is close to the lower end of the fifth signal cable groove, one end of the secondary winding sequentially penetrates through the sixth wire passing hole, the eighth wire passing hole and the fifth signal cable groove to be connected with the input end of the lower electronic bin assembly through a third cable, and the other end of the secondary winding sequentially penetrates through the seventh wire passing hole, the ninth wire passing hole and the sixth signal cable groove to be connected with the output end of the lower electronic bin assembly through a third cable.

The lower electronic bin assembly can comprise a lower electronic bin, the lower electronic bin is coaxially sleeved on the outer side of the lower part of the mandrel, the outer side of the upper end of the lower electronic bin extends upwards to the inner side of the lower end of the stator sleeve, the upper end of the lower electronic bin and the lower end of the stator sleeve are fixedly installed together through at least two second connecting bolts which are uniformly distributed along the circumference, at least one oiling thread through hole is arranged on the outer side of the non-rotating outer barrel corresponding to the upper end position of the lower electronic bin, a second oil plug is hermetically screwed in each oiling thread through hole, at least two lower communication bins with outward openings are uniformly distributed along the circumference on the outer side of the middle part of the lower electronic bin, a third ring groove is arranged on the outer side of the upper part of the lower electronic bin, the lower part of the third ring groove is communicated with the upper side of each lower communication bin, a fourth ring groove is arranged on the outer side of the lower part of, the outer side of the lower part of the lower electronic tube corresponding to the lower position of the fourth ring groove is in sealing contact with the inner side of the non-rotating outer tube, a tenth wire through hole and an eleventh wire through hole are respectively arranged on the upper end surface of the lower electronic barrel corresponding to the lower end of the fifth signal cable groove and the lower end of the sixth signal cable groove, the lower ends of the tenth wire through hole and the eleventh wire through hole are both communicated with the upper part of the third ring groove, three first mounting holes which are communicated with the inside and the outside are uniformly distributed on the outer side of the lower part of the irrotational outer barrel corresponding to the lower side position of the lower electronic barrel along the circumference, sockets corresponding to the first mounting holes are fixed on the lower end face of the lower electronic barrel, the inner side face of each socket is an arc face matched with the inner side face of the irrotational outer barrel, each socket is fixedly mounted with the upper part of the hydraulic driving device, a long circular hole with the upper end extending to the upper part of the fourth circular groove is formed in the lower end face of each socket, and an inserting groove communicated with the middle part of the corresponding long circular hole is formed in;

the third cable comprises a fifth communication cable and a sixth communication cable, one end of the fifth communication cable is connected with a corresponding fourth cable, the other end of the fifth communication cable penetrates through the tenth wire passing hole and then is connected with one end of the secondary winding, one end of the sixth communication cable is connected with the corresponding fourth cable, the other end of the sixth communication cable penetrates through the eleventh wire passing hole and then is connected with the other end of the secondary winding, and the lower end of the fourth cable sequentially penetrates through the long round hole and the insertion groove from top to bottom and then is connected with the hydraulic driving device.

The hydraulic driving device can comprise three hydraulic driving assemblies which have the same structure and are uniformly distributed on the outer side of the lower part of the irrotational outer barrel at intervals along the circumference, each hydraulic driving assembly comprises a connecting block, a power module, a guide module and a hydraulic module which are integrally arranged, the outer side of the lower part of the irrotational outer barrel corresponding to the position between every two adjacent first mounting holes is provided with a guide mounting groove with an outward opening, the lower part of each guide mounting groove is provided with a second mounting hole which is communicated with the inside and the outside, a power mounting groove with an outward opening is arranged between every two adjacent guide mounting grooves, the upper part of each power mounting groove is communicated with the lower part of the corresponding first mounting hole, and the lower part of each guide mounting groove is communicated with the hydraulic mounting groove which is positioned on the front side of the guide mounting groove along the counterclockwise direction and is;

the upper part of the guide module is hinged and installed in the guide installation groove, the hydraulic module is fixedly installed in the hydraulic installation groove, the power module is installed in the power installation groove, the connecting block is installed in a first installation hole in the position above the power module, the connecting block is fixedly connected with the socket in the corresponding position through third connecting bolts which are distributed at intervals, and the lower side of the connecting block is fixedly connected with the upper part of the power module in the corresponding position;

a plug groove corresponding to the inserting groove is formed in one side, close to the outer side of the mandrel in the radial direction, of the connecting block, a twelfth wire passing hole is formed in the lower side of the connecting block, the upper side of the twelfth wire passing hole extends upwards into the plug groove, a driving mounting groove is formed in the upper side, corresponding to the twelfth wire passing hole, of the power module, a driving device is fixedly mounted in the driving mounting groove in a sealing mode, an upper pressure measuring hole is formed in the lower side of the connecting block, the upper end of the upper pressure measuring hole is communicated with the lower portion of the twelfth wire passing hole, and a lower;

the fourth cable comprises three signal cable groups, each signal cable group comprises a third connecting contact pin, a fourth connecting contact pin, a fifth connecting contact pin, a protective sleeve and a differential pressure sensor, the lower part of each third connecting contact pin is fixedly arranged in the insertion groove, the fourth connecting contact pin is fixedly arranged on the inner side of the lower part of the twelfth wire passing hole, the lower part of each protective sleeve is fixedly arranged on the lower part of the corresponding lower pressure measuring hole in a sealing manner, the upper part of each protective sleeve is fixedly arranged on the lower part of the corresponding upper pressure measuring hole in a sealing manner, the differential pressure sensor is fixedly arranged on the inner side of the lower end of each protective;

one end of the third connecting pin is sequentially connected with a seventh communication cable, a fifth communication cable and a sixth communication cable in the insertion groove and the corresponding long circular hole through the upper end, the other end of the third connecting pin is connected with the upper end of the fourth connecting pin through an eighth communication cable in the twelfth wire passing hole, the lower end of the fourth connecting pin is connected with the driving device through a ninth communication cable, the lower end of the fourth connecting pin is connected with the upper end of the fifth connecting pin through a tenth communication cable arranged on the upper portion of the upper pressure measuring hole, and the lower end of the fifth connecting pin is connected with the pressure difference sensor through an eleventh communication cable arranged in the protective sleeve.

The guide module can comprise a pin shaft, a rib plate, a plate spring, a hydraulic sleeve, a power module, a piston, an elastic dustproof cap and an ejector rod, the rib plate is of a plate-shaped structure arranged along the axial direction of the irrotational outer barrel, the upper end of the rib plate is hinged and connected with the irrotational outer barrel through the pin shaft arranged on the inner side of the upper part of the guide mounting groove, one side of the rib plate close to the mandrel is fixedly connected with the plate spring, the lower part of the rib plate is provided with a buffer block protruding outwards from the outer side of the irrotational outer barrel, the outer side of the buffer block is fixedly connected with a buffer pad, the inner side of the lower end of the rib plate is provided with a limiting block protruding downwards, the inner wall of the lower part of the;

the power module is of a fan-shaped ring structure, a fourth outer ring platform positioned in the guide mounting groove is fixed in the middle of the power module, the inner end face, away from the outer side of the non-rotating outer cylinder, of the power module is an arc face consistent with the inner wall of the mandrel, the outer end face of the power module is positioned in the guide mounting groove, a pushing groove is arranged in the center of the outer end face of the fourth outer ring platform of the power module, a hydraulic sleeve is fixedly installed in the pushing groove in a sealing mode, a fifth outer ring platform is arranged on the outer side of the middle of the hydraulic sleeve, the hydraulic sleeve and the power module are fixedly connected in the guide mounting groove through fourth connecting bolts distributed at intervals along the circumferential direction of the fifth outer ring platform, a lower limiting groove is formed by the end face of the fifth outer ring platform and the end face of the fourth outer ring platform, the lower end of a leaf spring is positioned in the lower limiting groove, a piston is hermetically sleeved in the hydraulic sleeve, a threaded blind, one end of the elastic dustproof cap is fixedly connected with the outer side of the upper part of the hydraulic sleeve in a sealing way, and the other end of the elastic dustproof cap is fixedly connected with one end face, far away from the mandrel, of the piston in a sealing way through a mandril in threaded blind holes in a threaded way;

the hydraulic module comprises a base block, an oil storage tank with a downward opening is arranged at the lower end of the left part of the base block far away from the power module, the lower part of the oil storage tank is communicated with the lower part of a driving installation groove through an oil inlet hole, at least two pressure stabilizing holes communicated with the oil storage tank are arranged on the left side surface of the base block far away from the power module at intervals up and down, the driving installation groove corresponding to the position of the oil inlet hole is communicated with a pushing groove through an oil outlet hole arranged on the base block and the power module, a first detection hole is arranged in the base block corresponding to the position of the oil outlet hole, one end of the first detection hole is communicated with the driving installation groove, the other end of the first detection hole extends to the upper surface of the base block, a pressure measuring plug wire is fixedly installed at the upper end of the first detection hole in a;

the driving device is a vertically arranged hydraulic pump, the hydraulic pump is arranged on the inner side of the upper part of the driving installation groove, a round sleeve-shaped fixed bridge pipe is fixedly arranged on the outer side of the upper end of a motor of the hydraulic pump in a sealing way, the outer side of the upper end of the motor of the fixed bridge pipe is in sealing contact with the inner side of the lower end of a twelfth wire passing hole on the lower side of a fourth connecting contact pin, the outer side of the lower end of the fixed bridge pipe is in sealing contact with the inner side of the upper end of the driving installation groove, the lower end of the fourth connecting contact pin is connected with the motor of the hydraulic pump through a ninth communication cable arranged in the fixed bridge pipe, the inlet end of the hydraulic pump is communicated with the driving installation groove, a valve body is fixedly arranged at the outlet end of the hydraulic pump through a round sleeve-shaped adapter, an upper liquid outlet channel and a left, the upper end of the right liquid outlet channel extends upwards to be communicated with the lower end of the upper liquid outlet channel, a round sleeve-shaped micro filter cylinder is fixedly sleeved in the upper liquid outlet channel, a throttle valve is fixedly installed in the right liquid outlet channel in a sealing manner, a safety valve is fixedly installed in the left liquid outlet channel in a sealing manner, a driving installation groove corresponding to the lower side position of the safety valve is communicated with an oil storage tank through a pressure relief hole, the outer sides of the lower parts of the valve bodies corresponding to the positions above and below the oil inlet hole are in sealing contact with the inner part of the upper oil outlet channel, and at least one shunt hole communicated with the first detection hole and the oil outlet hole is distributed on the outer;

the oil bag comprises an oil storage tank, an oil bag base body, an oil bag core shaft, a first seal mechanism, a second seal mechanism, a first screw plug, a second seal mechanism, a first backflow hole, a second backflow hole, a third seal mechanism, a third backflow hole, a second backflow hole, a driving installation groove, a third seal mechanism, a second seal mechanism, a third seal mechanism and a fourth seal mechanism, the sealed fixed mounting in dabber upper end outside has the oil storage bag that the upper end is located oil storage tank upper portion, the inside oil storage chamber that has of oil storage bag, be equipped with lower extreme fixed mounting in the oil pipe of oil bag spindle upper end in the oil storage chamber, oil pipe is the tubular structure that the axial set up, the oil bag spindle upper end that corresponds oil pipe lower extreme right side position is equipped with the oil feed passageway, the lower extreme of oil feed passageway extends to the oil bag spindle outside of position between third sealing mechanism and the first sealing mechanism, the oil storage chamber is linked together through oil feed passageway and inlet port with the drive mounting groove.

The upper bearing assembly comprises an upper inner sleeve, an upper outer sleeve, an upper rolling sleeve, an upper radial buffer sleeve, an upper axial buffer sleeve, an upper outer tooth group and an upper inner tooth group, wherein the upper inner sleeve is sleeved outside the mandrel in a sealing manner, a fifth outer ring table is arranged on the outer side of the upper part of the upper outer sleeve corresponding to the upper end position of the non-rotating outer sleeve, the fifth outer ring table is in threaded connection with the inner side of the upper end of the non-rotating outer sleeve in a sealing manner, the upper radial buffer sleeve and the upper rolling sleeve are sequentially arranged between the inner side of the upper outer sleeve and the outer side of the upper inner sleeve from outside to inside, a first adjusting mechanism sleeved on the outer side of the lower end of the upper inner sleeve is fixedly arranged at the lower end of the upper rolling sleeve, the lower side of the first adjusting mechanism is contacted with the upper end face of a flange, the upper end of the upper rolling sleeve is positioned above the upper outer sleeve, at least two upper outer tooth groups are distributed at, each upper inner tooth group comprises at least three cylindrical upper inner PDC teeth which are distributed at intervals along the circumference, the upper inner PDC teeth of every two adjacent upper inner tooth groups are arranged in a staggered mode, the outer end face of each upper inner PDC tooth of each upper inner tooth group is in contact with the inner end face of the corresponding upper outer PDC tooth of the corresponding upper outer tooth group, the outer side of an upper rolling sleeve is fixedly connected with the inner side of an upper radial buffer sleeve in a vulcanization mode, the outer side of the upper radial buffer sleeve is fixedly connected with the inner side of an upper outer sleeve in a vulcanization mode, and an upper axial buffer sleeve is sleeved on the outer side of the upper end of the upper outer sleeve;

the upper axial buffer sleeve comprises an upper cambered ring sleeve and an upper cambered ring platform, the upper end of the upper outer sleeve corresponding to the upper side of the fifth outer ring platform is fixedly provided with the upper cambered ring platform, the upper cambered ring platform is a circular ring platform with the outer ring surface in a narrow-top and wide-bottom circular shape, the outer side of the upper cambered ring platform is hermetically sleeved with the upper cambered ring sleeve, the inner part of the upper cambered ring sleeve is provided with an arc inner hole matched with the outer cambered surface of the upper cambered ring platform, a buffer space capable of enabling the upper cambered ring sleeve and the upper cambered ring platform to move relatively along the axial direction is arranged between the inner side of the upper cambered ring sleeve and the outer side of the upper cambered ring platform, the upper side of the upper cambered ring sleeve is provided with an upper wear-resistant component, the upper wear-resistant component comprises a first wear-resistant ring, a first wear-resistant patch, a second wear-resistant patch and a fifth connecting bolt, the inner side of the first wear-resistant ring is in threaded connection with the outer, the outer side of the upper portion of the upper inner sleeve corresponding to the upper position of the first wear-resistant ring is sleeved with a second wear-resistant ring, the second wear-resistant ring is fixedly connected with the upper inner sleeve through a fifth connecting bolt, and a second wear-resistant patch which is in contact with the first wear-resistant patch is fixedly installed on the lower end face of the second wear-resistant ring.

The lower bearing assembly can comprise a lower inner sleeve, a lower outer sleeve, a lower rolling sleeve, a lower radial buffer sleeve, a lower axial buffer sleeve, a lower outer tooth group and a lower inner tooth group, the lower inner sleeve is sleeved outside the upper end of the lower joint in a sealing manner, the lower outer sleeve is sleeved outside the upper end of the lower inner sleeve, a sixth outer ring platform is arranged outside the upper part of the lower outer sleeve, at least two first adjusting gaskets which are arranged in a stacked manner are arranged between the upper end of the sixth outer ring platform and the lower end face of the non-rotating outer sleeve, the outer side of the sixth outer ring platform is in sealing threaded connection with the inner side of the lower end of the non-rotating outer sleeve, the lower radial buffer sleeve and the lower rolling sleeve are sequentially arranged between the inner side of the lower outer sleeve and the outer side of the lower inner sleeve from outside to inside, a second adjusting mechanism sleeved outside the upper end of the lower inner sleeve is fixedly installed on the lower rolling sleeve, the upper side of the second adjusting, each lower outer tooth group comprises at least three lower outer PDC teeth which are distributed at intervals along the circumference and are cylindrical, a lower inner tooth group corresponding to the lower outer tooth group is arranged on the outer side of the lower inner sleeve, each lower inner tooth group comprises at least three lower inner PDC teeth which are distributed at intervals along the circumference and are cylindrical, the lower inner PDC teeth of two adjacent lower inner tooth groups are arranged in a staggered mode, the outer end surface of each lower inner PDC tooth of each lower inner tooth group is contacted with the inner end surface of the corresponding lower outer PDC tooth of the corresponding lower outer tooth group, the outer side of the lower rolling sleeve is fixedly connected with the inner side of the lower radial buffer sleeve in a vulcanization mode, the outer side of the lower radial buffer sleeve is fixedly connected with the inner side of the lower outer sleeve in a vulcanization mode, and the outer side of the upper end of the lower outer;

the lower axial buffer sleeve comprises a lower cambered ring sleeve and a lower cambered ring platform, the lower end of the lower outer sleeve at the position corresponding to the lower side of the sixth outer ring platform is fixedly provided with the lower cambered ring platform, the lower cambered ring platform is a circular ring platform with the outer ring surface being in a circular arc shape with a wide upper part and a narrow lower part, the outer side of the lower cambered ring platform is hermetically sleeved with the lower cambered ring sleeve, the inner part of the lower cambered ring sleeve is provided with an arc inner hole matched with the outer cambered surface of the lower cambered ring platform, a buffer space capable of enabling the lower cambered ring sleeve and the lower cambered ring platform to move relatively along the axial direction is arranged between the inner side of the lower cambered ring sleeve and the outer side of the lower cambered ring platform, the lower side of the lower cambered ring sleeve is provided with a lower wear-resistant component, the lower wear-resistant component comprises a third wear-resistant ring, a third wear-resistant patch, a fourth wear-resistant patch and a sixth connecting bolt, the inner side of the third wear-resistant, the outer side of the lower portion of the lower inner sleeve corresponding to the position below the third wear-resistant ring is sleeved with a fourth wear-resistant ring, the fourth wear-resistant ring is fixedly connected with the lower inner sleeve through a sixth connecting bolt, and a fourth wear-resistant patch capable of contacting with the third wear-resistant patch is fixedly mounted on the upper end face of the fourth wear-resistant ring.

Above-mentioned first adjustment mechanism can include first clamping ring and first dish spring, and first clamping ring is the flange structure, and first clamping ring suit is between last endotheca lower extreme outside and last overcoat lower extreme inboard, and first dish spring upper portion suit is in first clamping ring lower extreme outside, and first dish spring up end offsets tightly with first clamping ring terminal surface, and terminal surface and flange up end offset tightly under the first dish spring.

The second adjusting mechanism can comprise a second pressing ring and a second disc spring, the second pressing ring is of a flange structure, the second pressing ring is sleeved between the outer side of the upper end of the lower inner sleeve and the inner side of the upper end of the lower outer sleeve, the lower portion of the second disc spring is sleeved on the outer side of the upper end of the second pressing ring, at least two second adjusting washers which are arranged in a stacked mode are sleeved on the inner side of the lower end of the non-rotating outer sleeve corresponding to the upper side position of the second disc spring, the upper end face of the second disc spring is tightly abutted to the lower end face of the second adjusting washer located at the lowest position, and the lower end face.

The rotating direction of the mandrel during working can be a main rotating direction, the screwing direction of the fifth outer ring table and the non-rotating outer cylinder is the same as the main rotating direction, and the screwing direction of the sixth outer ring table and the non-rotating outer cylinder is opposite to the main rotating direction.

The utility model has reasonable and compact structure, convenient use, can transmit power and data signals in the two-way communication module to the lower electronic bin assembly through the upper electronic bin assembly, can reduce the axial vibration and swing of the utility model through the upper bearing assembly and the lower bearing assembly, can modulate the power and data signals into different frequencies to be transmitted in the same winding through the rotary variable assembly, realizes the wireless two-way transmission of the signals, the lower electronic bin assembly transmits the power and data signals to the hydraulic driving device downwards, the lower joint is always positioned at a preset well borehole track through the hydraulic driving device, the requirements of the orientation and the sliding guidance of the utility model are reduced, the hydraulic driving device feeds back the state signals of the movement to the ground upwards for operators to operate, the vertical drilling technology is practically applied, the anti-inclination and rectification effects are exerted, the bit pressure is fully released, and the speed-up effect is obvious.

Drawings

Fig. 1 is a schematic sectional structure view of the upper half of the preferred embodiment of the present invention.

Fig. 2 is a schematic sectional view of the bottom half of the preferred embodiment of the present invention.

FIG. 3 is an enlarged cross-sectional view taken along line A-A of FIG. 2.

FIG. 4 is a schematic cross-sectional view at B-B of FIG. 3.

Fig. 5 is a schematic top view partially in section of the hydraulic driving apparatus according to the preferred embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view at C-C in FIG. 5.

Fig. 7 is a top view enlarged mechanism of the connecting block of fig. 2.

Fig. 8 is a schematic perspective view of the non-rotatable outer barrel according to the preferred embodiment of the present invention.

Fig. 9 is a front view of the structure of fig. 8.

Fig. 10 is a schematic front view of the mandrel according to the preferred embodiment of the present invention.

FIG. 11 is a cross-sectional enlarged schematic view of the mechanism of FIG. 10 at D-D.

Fig. 12 is a cross-sectional enlarged schematic view at E-E of fig. 10.

Fig. 13 is a schematic perspective view of the upper and lower drogues of fig. 1.

Fig. 14 is a front sectional structural view of fig. 13.

Fig. 15 is a schematic perspective view of the upper electron tube shown in fig. 1.

Fig. 16 is a schematic bottom view of the structure of fig. 15.

Fig. 17 is a front view enlarged structure diagram of the rotor bushing of fig. 1.

Fig. 18 is an enlarged perspective view of fig. 17.

Fig. 19 is an enlarged perspective view of the inner wire guide plate shown in fig. 1.

Fig. 20 is a schematic perspective view of the outer wire guide plate shown in fig. 1.

Fig. 21 is an enlarged perspective view of the stator can shown in fig. 1.

Fig. 22 is a schematic perspective view of the lower electronic cylinder in the preferred embodiment of the present invention.

The codes in the figures are respectively: 1 is a mandrel, 2 is a lower joint, 3 is a non-rotating outer cylinder, 4 is an upper electronic cylinder, 5 is a first connecting step, 6 is a second connecting step, 7 is a limit connecting screw, 8 is a lower cone sleeve, 9 is an upper cone sleeve, 10 is a clamping jaw, 11 is a first outer ring table, 12 is a first connecting bolt, 13 is a first adjusting ring, 14 is a first disc spring, 15 is a first adjusting washer, 16 is an upper connecting thread, 17 is an upper electronic sleeve, 18 is a first inspection cover, 19 is a second inspection cover, 20 is a first oil plug, 21 is a rotor sleeve, 22 is a second outer ring table, 23 is a stator sleeve, 24 is a partition plate, 25 is an inner shell, 26 is an outer wire passing plate, 27 is an outer shell, 28 is a primary side winding, 29 is a secondary side winding, 31 is an inner wire passing plate, 32 is a second oil plug, 33 is a third outer ring table, 34 is a lower electronic cylinder, 35 is a second connecting bolt, 36 is a rib plate, 37 is a buffer block, 38 is a buffer pad, 39 is a limit block, 40 is a pin shaft, 41 is a plate spring, 42 is a hydraulic sleeve, 44 is a piston, 45 is an elastic dustproof cap, 46 is a push rod, 47 is a third connecting bolt, 48 is a fourth outer ring table, 49 is a power module, 50 is a fifth outer ring table, 51 is an inner magnetic strip, 53 is a hydraulic pump, 54 is a fixed bridge pipe, 55 is an adapter, 56 is a valve body, 57 is a throttle valve, 58 is a safety valve, 59 is a micro filter, 60 is an oil bag mandrel, 61 is an oil pipe, 62 is an oil storage bag, 63 is an oil bag base body, 64 is an outer boss, 65 is a first plug, 67 is a base body block, 68 is a connecting block, 69 is a protective sleeve, 70 is an upper inner sleeve, 71 is an upper outer sleeve, 72 is a second adjusting washer, 73 is an upper rolling sleeve, 74 is an upper radial buffer sleeve, 75 is an upper cambered ring sleeve, 76 is an upper cambered ring table, 77 is upper outer teeth, 78 is upper inner teeth, 79 is a first PDC ring, 80 is a second wear-resistant ring, 81 is a first wear-resistant patch, 82 is a second wear-resistant patch, 83 is a lower inner sleeve, 84 is a sixth outer ring platform, 85 is an adjusting shim, 86 is a lower outer sleeve, 87 is a lower rolling sleeve, 88 is a lower radial buffer sleeve, 89 is a lower arc ring sleeve, 90 is a lower arc ring platform, 91 is a lower outer PDC tooth, 92 is a lower inner PDC tooth, 93 is a third wear-resistant ring, 94 is a fourth wear-resistant ring, 95 is a third wear-resistant patch, 96 is a fourth wear-resistant patch, 97 is a first press ring, 98 is a flange, 99 is a second press ring, 100 is a second disc spring, 101 is a first slurry passing channel, 102 is a second slurry passing channel, 103 is an upper communication cabin, 104 is a first ring groove, 105 is a second ring groove, 106 is a first inspection groove, 107 is a first line passing hole, 108 is a second line passing hole, 109 is a second inspection groove, 110 is a second connection pin, 111 is a first connection pin, 112 is a first connection threaded hole, 113 is a third wire passing hole, 114 is a fourth wire passing hole, 115 is a rotor ring groove, 116 is a first wire passing groove, 117 is an arc groove, 118 is a fifth wire passing hole, 119 is a second wire passing groove, 120 is a lower communication cabin, 121 is a first signal cable groove, 122 is a second signal cable groove, 123 is a card slot, 124 is a fifth signal cable groove, 125 is a sixth wire passing hole, 126 is a seventh wire passing hole, 127 is an eighth wire passing hole, 128 is a sixth signal cable groove, 129 is a ninth wire passing hole, 130 is a third ring groove, 131 is a fourth ring groove, 132 is a tenth wire passing hole, 133 is an eleventh wire passing hole, 134 is a first mounting hole, 135 is a socket, 136 is a long round hole, 137 is a plug groove, 138 is a limiting groove, 139 is a buffer ring groove, 140 is a plug groove, 141 is a twelfth wire passing hole, 142 is a guide mounting groove, 143 is a second mounting hole, 144 is a power mounting groove, 145 is a hydraulic mounting groove, 146 is a drive mounting groove, 147 is a differential pressure sensor, 148 is an external magnetic strip, 149 is an oil inlet channel, 150 is a pushing groove, 151 is an upper liquid outlet channel, 152 is a pressure relief hole, 153 is a shunt hole, 154 is a first detection hole, 156 is an overflow channel, 157 is a return hole, 158 is an upper pressure measuring hole, 159 is a lower pressure measuring hole, 160 is an oil inlet hole, 161 is an oil outlet hole, 162 is an oil storage groove, 163 is a pressure stabilizing hole, 164 is a left liquid outlet channel, and 165 is a right liquid outlet channel.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention will be further described with reference to the following examples and drawings:

as shown in attached figures 1-22, the underground rotary guide drill bit device comprises a mandrel 1, a lower joint 2, a non-rotating outer cylinder 3, an upper electronic bin assembly, a lower electronic bin assembly, a rotary transformer assembly, an upper bearing assembly, a lower bearing assembly and a hydraulic driving device, wherein the mandrel 1 is a stepped shaft with a first slurry passing channel 101 which is vertically communicated and is arranged in the center, the outer side of the lower end of the mandrel 1 is fixedly connected with the inner side of the upper end of the lower joint 2, the center of the lower end of the lower joint 2 is provided with a second slurry passing channel 102 communicated with the first slurry passing channel 101, the outer side of the middle part of the mandrel 1 is sleeved with the non-rotating outer cylinder 3 which is coaxially arranged with the mandrel 1, the outer side of the lower part of the non-rotating outer cylinder 3 is provided with the hydraulic driving device which can change the direction of a well, the lower electronic bin assembly is arranged between the inner side of the middle part of the non-, an upper electronic cabin assembly is arranged on the inner side of the upper part of a mandrel 1, an upper bearing assembly is arranged between the inner side of a non-rotating outer barrel 3 corresponding to the upper side position of a rotating assembly and the outer side of the mandrel 1, a lower bearing assembly capable of adjusting assembly tolerance is arranged between the inner side of the lower end of the non-rotating outer barrel 3 and the outer side of the upper end of an upper joint, an axial first wire passing channel is arranged at the upper end of the left part of the mandrel 1 on the outer side of the upper electronic cabin assembly, a first cable capable of connecting the upper electronic cabin assembly with a two-way communication module is arranged in the first wire passing channel, a second wire passing channel is arranged on the wall of the mandrel 1 corresponding to the position between the rotating assemblies between the upper electronic cabin assembly, a second cable capable of connecting the upper electronic cabin assembly with the rotating assembly is arranged in the second wire passing channel in a penetrating manner, a third wire passing channel is arranged on the wall of the lower electronic cabin assembly, and a third cable capable, and a fourth wire passing channel is arranged on the wall of the non-rotating outer barrel 3 of the lower electronic bin assembly and the hydraulic driving device, and a fourth cable capable of connecting the lower electronic bin assembly and the hydraulic driving device is arranged in the fourth wire passing channel.

According to requirements, the inner side of the upper end of the mandrel 1 and the outer side of the lower end of the bidirectional communication module are fixedly connected together in a sealing mode, and the lower end of the mandrel 1 is buckled into a high-torque thread buckle; the upper electronic bin assembly and the lower electronic bin assembly both belong to revolving body parts in appearance, and are internally provided with central holes for passing drilling mud. In the using process, the power and data signals in the bidirectional communication module can be transmitted to the lower electronic bin assembly by the upper electronic bin assembly through the arrangement, the axial vibration and the swing of the utility model can be reduced by arranging the upper bearing assembly and the lower bearing assembly, the power and data signals can be modulated into different frequencies to be transmitted in the same winding by arranging the rotary variable assembly, the wireless bidirectional transmission of the signals is realized, the lower electronic bin assembly transmits the power and data signals to the hydraulic driving device downwards, the lower joint 2 is always positioned at a preset well borehole track through the hydraulic driving device, the requirements of the orientation and the sliding guidance of the utility model are reduced, the hydraulic driving device feeds back the moving state signals to the ground upwards for the operation of an operator, the utility model has compact and reasonable structure, and the vertical drilling technology is practically applied, the effects of inclination prevention and inclination correction are exerted, the bit pressure is fully released, and the acceleration effect is remarkable.

The downhole rotary steering bit device can be further optimized or/and improved according to actual needs:

as shown in the attached figures 1, 2, 10, 11, 12, 13, 14, 15 and 16, the upper electronic bin assembly comprises a round sleeve-shaped upper electronic barrel 4 coaxially sleeved on the inner side of the upper part of a mandrel 1 and a locking assembly, the outer side of the lower part of the upper electronic barrel 4 is provided with a first connecting step 5, the inner side of the mandrel 1 is provided with a second connecting step 6 matched with the first connecting step 5, the lower end surface of the first connecting step 5 is in threaded connection with at least one limit connecting screw 7, the upper end surface of the second connecting step 6 corresponding to the position of each limit connecting screw 7 is provided with an upper positioning blind hole, the lower part of each limit connecting screw 7 is positioned in the upper positioning blind hole corresponding to the position, the inner side of the mandrel 1 is in sealing contact with the outer side of the first connecting step 5, the inner side of the upper end of the mandrel 1 is provided with an upper connecting thread 16, the inner side of the mandrel 1 corresponding to the position between the, the locking assembly comprises a lower taper sleeve 8, an upper taper sleeve 9, a first connecting bolt 12, a first adjusting ring 13, a first disc spring 14 and a first adjusting washer 15, the inner side of a mandrel 1 corresponding to the upper end position of the electronic cylinder is sleeved with a lower taper sleeve 8 in a circular sleeve shape, the outer circumferential surface of the lower taper sleeve 8 is in a conical shape with a small upper part and a large lower part, the upper end of the inner side of the lower taper sleeve 8 is provided with a first outer ring platform 11 protruding upwards, the outer side of the first outer ring platform 11 is sleeved with an upper taper sleeve 9 in a circular sleeve shape, the upper taper sleeve 9 and the lower taper sleeve 8 are fixedly connected through a plurality of first connecting bolts 12 uniformly distributed along the circumference of the upper end surface of the upper taper sleeve 9, the lower end of the outer side of the upper taper sleeve 9 is uniformly distributed with at least two clamping jaws 10 capable of abutting against the inner side of the mandrel 1 at the outer side when moving downwards at intervals along the circumference, the outer side of the upper end of the first outer ring platform 11 corresponding to the upper end position of the upper taper sleeve 9 is sleeved with the first adjusting ring 13, the (ii) a

The outer side of the middle part of the upper electronic barrel 4 is evenly provided with at least two upper communication bins 103 with outward openings at intervals along the circumferential direction, the outer side of the upper part of the upper electronic barrel 4 is provided with a first ring groove 104, the lower part of the first ring groove 104 is communicated with the upper side of each upper communication bin 103, the outer side of the lower part of the upper electronic barrel 4 is provided with a second ring groove 105, the upper part of the second ring groove 105 is communicated with the lower part of each upper communication bin 103, the outer side of the upper electronic barrel 4 is sleeved with an upper electronic sleeve 17, the inner side of the upper end and the inner side of the lower end of the upper electronic sleeve 17 are respectively connected with the outer side of the upper end and the outer side of the lower end of the upper electronic barrel 4 in a sealing way, the outer side of the left part of the mandrel 1 corresponding to the lower end position of the upper electronic barrel 4 is provided with a first inspection groove 106 with a leftward opening, the left part of the first inspection groove 106 is fixedly installed in, the lower end of the first wire passing hole 107 extends downwards into the first inspection groove 106, the upper part of the first inspection groove 106 is communicated with the second annular groove 105 through the second wire passing hole 108, the first wire passing hole 107, the first inspection groove 106 and the second wire passing hole 108 form a first wire passing channel, the first cable comprises a first communication cable, a second communication cable and a first connecting pin, the outer side of the upper part of the first connecting pin is fixedly arranged on the inner side of the lower end of the first wire passing hole 107, the upper end of the first connecting pin is connected with the lower end of the first communication cable penetrating through the first wire passing hole 107, the upper end of the first communication cable can be connected with the bidirectional communication module, and the other end of the first connecting pin is connected with the second wire passing hole 108 and the second communication cable;

a second inspection groove 109 which is communicated with the inside and the outside is arranged on the outer side of the right part of the mandrel 1 corresponding to the lower end position of the first connecting step 5, a second inspection cover 19 is fixedly arranged on the right part of the second inspection groove 109 in a sealing way, the right side surface of the second inspection cover 19 is a circular arc surface which is consistent with the outer side surface of the mandrel 1, a first threaded hole 111 which is communicated with the inside and the outside is arranged on the right side surface of the second inspection cover 19, a first oil plug 20 is connected in the first threaded hole 111 in a sealing way in a screw way, a first connecting groove 112 which is opened towards the right is arranged on the lower end surface of the first connecting step 5 of the upper electronic tube 4 corresponding to the position of the second inspection groove 109, the lower part of the first connecting groove 112 is communicated with the left part of the second inspection groove 109, the upper part of the first connecting groove 112 is communicated with the second annular groove 105 through two third wire passing holes 113 which are arranged on the wall of the upper electronic tube, the upper end of each fourth wire through hole 114 extends upwards to be communicated with the second inspection groove 109, the third wire through hole 113, the first communication groove 112, the second inspection groove 109 and the fourth wire passing hole 114 form a second wire passing channel, the second cable comprises two third communication cables, two fourth communication cables and two second connecting pins 110, the upper parts of the two second connecting pins 110 are respectively screwed on the inner sides of the lower parts of the two third wire passing holes 113, the two third communication cables are respectively arranged in the two third wire passing holes 113 in a penetrating manner, the two fourth communication cables are respectively arranged in the two fourth wire passing holes 114 in a penetrating manner, one ends of the two third communication cables are both connected with the second communication cables, the other ends of the two third communication cables are respectively connected with the upper ends of the two second connecting pins 110, one ends of the two fourth communication cables are respectively connected with the lower ends of the two second connecting pins 110, and the other ends of the two fourth communication cables are respectively connected with the rotary transformer assembly.

According to the demand, all be equipped with on first inspection lid 18 and the second inspection lid 19 and dismantle the screw blind hole, the quantity of spacing connecting screw 7 is one. The maximum dimensions of the upper electron tube 4 are: phi 105mm (outer diameter) is multiplied by 407mm (length), an Inconel 718 material is adopted, and the first connecting pin and the second connecting pin 110 are both in the prior art, such as a Y-shaped high-pressure sealing pin. In the use, through setting up first inspection groove 106, be convenient for process the second and cross line hole 108, make first line hole 107 and last communication storehouse 103 intercommunication, also be convenient for install and maintain first connection contact pin, through setting up second inspection groove 109, be convenient for install and maintain second connection contact pin 110, through setting up communication storehouse 103, be convenient for wear to establish of cable and later stage circuit module's installation, can carry out spacingly through setting up spacing connecting screw 7 to last electron tube 4, improve the circumference restraint intensity of electron tube 4 in dabber 1, protect the communication cable, through setting up electron sleeve 17, can improve the leakproofness of last communication storehouse, through setting up the locking assembly, can carry out axial adjustment to last electron tube 4, also can play the damping effect to last electron tube 4, reduce the installation degree of difficulty in the equipment process simultaneously.

As shown in fig. 1, 2, 8, 9, 10, 17, 18, 19, 20, 21, the rotary transformer assembly includes a rotor sleeve 21, a stator sleeve 23, an inner housing 25, an outer housing 27, a primary winding 28, a secondary winding 29, outer magnetic strips 148 and inner magnetic strips 51, a coaxially disposed rotor sleeve 21 is fixedly and hermetically installed at the outer side of the middle of the mandrel 1 corresponding to the inner side of the upper portion of the non-rotating outer cylinder 3, a second outer ring platform 22 is provided at the outer side of the upper end of the rotor sleeve 21, an upper bearing assembly is installed between the mandrel 1 at the upper side of the second outer ring platform 22 and the non-rotating outer cylinder 3, a rotor ring groove 115 is provided at the outer side of the middle of the rotor sleeve 21 corresponding to the lower side of the second outer ring platform 22, an arc groove 117 with an outward opening is provided at the outer side of the middle of the second outer ring platform 22, a first wire passing groove 116 with an upward opening is provided at the inner side of the upper end of the rotor sleeve 21 corresponding to the lower end of each fourth, second wire passing grooves 119 are arranged on the outer side of the lower portion of the second outer ring platform 22 at intervals, the lower portions of arc grooves 117 are communicated with the upper portion of the rotor ring groove 117, inner wire passing plates 31 of the axis are arranged in the rotor ring groove 115 corresponding to the positions of the second wire passing grooves 119, the inner wire passing plates 31 are of a platy structure with radial sections in an E shape, a plurality of inner magnetic strips 51 with radial sections in an E shape are uniformly distributed in the rotor ring grooves 115 on the left side and the right side of the inner wire passing plates 31 along the circumference, a first signal cable groove 121 with an inward opening is arranged on one side of the inner wire passing plate 31 close to the outer side of the mandrel 1, the upper end of the first signal cable groove 121 is communicated with the lower end of one of the second wire passing grooves 119, a second signal cable groove 122 with an outward opening is arranged on the other side of the inner wire passing plate 31 far away from the outer side of the mandrel 1, and the upper end of the second signal cable groove 122 is communicated with the lower, a primary winding 28 is installed in the rotor ring groove 115 corresponding to the two sides of the inner wire passing plate 31, one end of the primary winding 28 sequentially passes through the first signal cable groove 121, the second wire passing groove 119, the arc groove 117, the fifth wire passing hole 118 and the first wire passing groove 116 to be connected with a corresponding fourth communication cable, the other end of the primary winding 28 sequentially passes through the second signal cable groove 122, the second wire passing groove 119, the arc groove 117, the fifth wire passing hole 118 and the first wire passing groove 116 to be connected with a corresponding fourth communication cable, a round sleeve-shaped inner housing 25 is arranged outside the rotor sleeve 21, the inner side of the upper end of the inner housing 25 is hermetically connected with the outer side of the second outer ring platform 22 at the upper side of the rotor ring groove 115, the inner side of the lower end of the inner housing 25 is hermetically connected with the outer side of the lower part of the rotor sleeve 21 at the lower side of the rotor ring groove 115, at least two clamping blocks are uniformly distributed on the upper end surface of, a vertically through clamping groove 123 is formed in the outer side of the third outer ring table 33 corresponding to each clamping block, and each clamping block is clamped in the clamping groove 123 corresponding to the position;

a stator sleeve 23 with the outer side hermetically connected with the inner side of the non-rotating outer cylinder 3 is coaxially arranged on the outer side of the inner shell 25, a flange 98 sleeved on the outer side of the third outer ring platform 33 is fixedly installed at the upper end of the stator sleeve 23, an upper bearing assembly is installed between the non-rotating outer cylinder 3 and the mandrel 1 at the upper side position of the flange 98, at least two E-shaped partition plates 24 are circumferentially distributed at intervals on the inner side of the stator sleeve 23, an outer wire passing plate 26 is fixedly installed between two adjacent partition plates 24, the outer wire passing plate 26 is of a plate-shaped structure with an E-shaped radial section, coaxially arranged outer magnetic strips 148 are embedded between the two adjacent partition plates 24 corresponding to the left side and the right side positions of the outer wire passing plate 26, a circular sleeve-shaped outer shell 27 coaxially arranged with the outer wire passing plate 26 is hermetically and fixedly;

a third signal cable groove and a fourth signal cable groove are arranged on one side of the outer magnetic strip 148, the outer wire passing plate 26 and the partition plate 24 close to the outer side of the inner shell 25 at intervals from top to bottom, a secondary winding 29 is arranged in the third signal cable groove and the fourth signal cable groove, a sixth wire passing hole 125 communicated with the third signal cable groove is arranged at the upper part of the outer wire passing plate 26, a seventh wire passing hole 126 communicated with the fourth signal cable groove is arranged at the lower part of the outer wire passing plate 26, an eighth wire passing hole 127 communicated with the inside and the outside is arranged at the outer side of the upper part of the stator sleeve 23 corresponding to the position of the sixth wire passing hole 125, a ninth wire passing hole 129 communicated with the inside and the outside is arranged at the lower part of the stator sleeve 23 corresponding to the position of the seventh wire passing hole 126, a fifth signal cable groove 124 with an outward opening is arranged at the outer side of the stator sleeve 23 corresponding to the position of the eighth wire passing hole 127, the lower end of the fifth signal cable groove 124 extends downwards to the lower end surface of the stator sleeve, the lower end of the sixth signal cable groove 128 extends downwards to the lower end face of the stator sleeve 23 and is close to the lower end of the fifth signal cable groove 124, one end of the secondary winding 29 sequentially passes through the sixth wire passing hole 125, the eighth wire passing hole 127 and the fifth signal cable groove 124 and is connected with the input end of the lower electronic cabin assembly through a third cable, and the other end of the secondary winding 29 sequentially passes through the seventh wire passing hole 126, the ninth wire passing hole 129 and the sixth signal cable groove 128 and is connected with the output end of the lower electronic cabin assembly through a third cable.

According to requirements, the outer magnetic strip 148 and the inner magnetic strip 51 are both in the prior art, such as E-shaped magnetic cores, the opening surfaces of the two E-shaped magnetic cores are opposite to form two small windows, and the primary winding 28 and the secondary winding 29 are respectively arranged in the small windows. In the use process, the third signal cable groove, the fourth signal cable groove and the outer wire passing plate 26 are arranged, so that the secondary winding 29 is convenient to mount, the arrangement of the inner wire passing plate 31 is convenient for installing the primary winding 28, the problem of radial signal transmission between the mandrel 1 and the non-rotating outer cylinder 3 is solved, and the device is suitable for the relative rotation movement of the mandrel 1 and the non-rotating outer cylinder 3 in a downhole guide drilling tool, the wireless bidirectional transmission of signals between the two parts replaces a conductive slip ring, and the two parts become a relatively independent signal transmission part, so that power and data are modulated into different frequencies to be transmitted in the same winding, the structure is simplified, the transmission efficiency of the rotary transformer is effectively improved, the error rate is reduced, the signal transmission is not influenced by rotary motion during signal transmission, the stability of signal transmission can be ensured, and the application in the environment of strong vibration and impact in the pit is facilitated.

As shown in fig. 1, 2, 8, 9, 10, and 22, the lower electronic bin assembly includes a lower electronic bin 34, the lower electronic bin 34 is coaxially sleeved outside the lower portion of the mandrel 1, the outer side of the upper end of the lower electronic bin 34 extends upward to the inner side of the lower end of the stator sleeve 23, the upper end of the lower electronic bin 34 and the lower end of the stator sleeve 23 are fixedly installed together through at least two second connecting bolts 35 uniformly distributed along the circumference, the outer side of the non-rotating outer barrel 3 corresponding to the upper end of the lower electronic bin 34 is provided with at least one oil filling screw through hole, each oil filling screw through hole is screwed with a second oil plug 32 in a sealing manner, the outer side of the middle portion of the lower electronic bin 34 is uniformly provided with at least two lower communication bins 120 with outward openings along the circumference, the outer side of the upper portion of the lower electronic bin 34 is provided with a third ring groove 130, the lower portion of the third ring groove 130 is communicated with the upper side of each lower communication bin 120, the outer, the outer side of the upper part of the lower electronic barrel 34 corresponding to the position above the third ring groove 130 is in sealing contact with the inner side of the non-rotating outer barrel 3, the outer side of the lower part of the lower electronic barrel 34 corresponding to the position below the fourth ring groove 131 is in sealing contact with the inner side of the non-rotating outer barrel 3, the upper end surface of the lower electronic barrel 34 corresponding to the position below the fifth signal cable groove 124 and the lower end of the sixth signal cable groove 128 is respectively provided with a tenth wire through hole 132 and an eleventh wire through hole 133, the lower ends of the tenth wire through hole 132 and the eleventh wire through hole 133 are both communicated with the upper part of the third ring groove 130, the outer side of the lower part of the non-rotating outer barrel 3 corresponding to the position below the lower electronic barrel 34 is circumferentially and uniformly provided with three first mounting holes 134 which are communicated with the inside and outside, the lower end surface of the lower electronic barrel 34 is fixed with a socket 135 corresponding to the first mounting hole 134, the inner side, the lower end face of each socket 135 is provided with a long circular hole 136, the upper end of each long circular hole 136 extends to the upper part of the fourth circular groove 131, and the outer end face of each socket 135 is provided with a plug-in groove 137 communicated with the middle part of the corresponding long circular hole 136;

the third cable comprises a fifth communication cable and a sixth communication cable, one end of the fifth communication cable is connected with a corresponding fourth cable, the other end of the fifth communication cable penetrates through the tenth wire passing hole 132 and then is connected with one end of the secondary winding 29, one end of the sixth communication cable is connected with a corresponding fourth cable, the other end of the sixth communication cable penetrates through the eleventh wire passing hole 133 and then is connected with the other end of the secondary winding 29, and the lower end of the fourth cable sequentially penetrates through the oblong hole 136 and the insertion groove 137 from top to bottom and then is connected with the hydraulic driving device.

According to the requirement, the lower electronic barrel 34 is made of Inconel 718, and the maximum size is as follows: phi 170mm (outer diameter) × 405mm (length). In the using process, silicone grease can be injected into the irrotational outer barrel 3 through the second oil plug 32, the rotational assembly and the lower electronic bin assembly are ensured to be in a clean environment, the disassembly and assembly work is convenient, the cable can be conveniently penetrated and installed through the arrangement of the third ring groove 130 and the fourth ring groove 131, the circuit module can be conveniently installed in the later period, the cable can be conveniently penetrated and installed and the circuit module can be conveniently installed in the later period through the arrangement of the lower communication bin 120, the lower end face of the lower electronic barrel 34 is conveniently processed when being communicated with the fourth ring groove 131 through the arrangement of the long circular hole 136, so that the cable can be conveniently penetrated and installed, the signal input cable and the signal output cable can be separately penetrated and installed through the tenth wire hole 132 and the eleventh wire hole 133 through the arrangement of the tenth wire hole 136 and the eleventh wire hole 133, the interference of signals in the transmission process is reduced, the accuracy of data is improved, the insertion groove 137, the socket 135 and the first installation hole 134 are arranged, the hydraulic driving device is convenient to connect with the hydraulic driving device, and the assembly between the modules is also convenient.

As shown in fig. 1-10 and 22, the hydraulic driving device comprises three hydraulic driving assemblies which have the same structure and are uniformly distributed on the outer side of the lower part of the non-rotating outer cylinder 3 along the circumference at intervals, the hydraulic driving assemblies comprise a connecting block 68, a power module 49, a guide module and a hydraulic module which are integrally arranged, the outer side of the lower part of the non-rotating outer cylinder 3 corresponding to the position between every two adjacent first mounting holes 134 is provided with a guide mounting groove 142 with an outward opening, the lower part of each guide mounting groove 142 is provided with a second mounting hole 143 communicated with the inside and the outside, a power mounting groove 144 with an outward opening is arranged between every two adjacent guide mounting grooves 142, the upper part of each power mounting groove 144 is communicated with the lower part of the corresponding first mounting hole 134, and the lower part of each guide mounting groove 142 is communicated with a hydraulic mounting groove 145 with an outward opening, which is positioned on the front side of the power mounting groove 144 and adjacent to the power mounting groove 144 from top to bottom along the counterclockwise direction;

the upper part of the guide module is hinged and installed in the guide installation groove 142, the hydraulic module is fixedly installed in the hydraulic installation groove 145, the power module 49 is installed in the power installation groove 144, the connecting block 68 is installed in the first installation hole 134 above the power module 49, the connecting block 68 is fixedly connected with the socket 135 at the corresponding position through third connecting bolts 47 which are distributed at intervals, and the lower side of the connecting block 68 is fixedly connected with the upper part of the power module 49 at the corresponding position;

a plug groove 140 corresponding to the insertion groove 137 is arranged on one side of the connecting block 68 which is radially close to the outer side of the mandrel 1, a twelfth wire through hole 141 is arranged on the lower side of the connecting block 68, the upper side of the twelfth wire through hole 141 extends upwards into the plug groove 140, a driving installation groove 146 is arranged on the upper side of the power module 49 corresponding to the twelfth wire through hole 141, a driving device is fixedly installed in the driving installation groove 146 in a sealing manner, an upper pressure measuring hole 158 is arranged on the lower side of the connecting block 68, the upper end of the upper pressure measuring hole 158 is communicated with the lower part of the twelfth wire through hole 141, and a lower pressure measuring hole 159 is arranged on the;

the fourth cable comprises three signal cable groups, each signal cable group comprises a third connecting pin, a fourth connecting pin, a fifth connecting pin, a protective sleeve 69 and a differential pressure sensor 147, the lower part of each third connecting pin is fixedly installed in the corresponding inserting groove 137, the fourth connecting pin is fixedly installed on the inner side of the lower part of the twelfth wire through hole 141, the lower part of each protective sleeve 69 is fixedly installed on the lower part of the corresponding lower pressure measuring hole 159 in a sealing mode, the upper part of each protective sleeve 69 is fixedly installed on the lower part of the corresponding upper pressure measuring hole 158 in a sealing mode, the differential pressure sensor 147 is fixedly installed on the inner side of the lower end of each protective sleeve 69, and the fifth connecting pin is;

one end of the third connecting pin is sequentially connected with the fifth communication cable and the sixth communication cable through the seventh communication cable with the upper end penetrating through the insertion groove 137 and the corresponding long circular hole 136, the other end of the third connecting pin is connected with the upper end of the fourth connecting pin through the eighth communication cable penetrating through the twelfth wire passing hole 141, the lower end of the fourth connecting pin is connected with the driving device through the ninth communication cable, the lower end of the fourth connecting pin is connected with the upper end of the fifth connecting pin through the tenth communication cable penetrating through the upper portion of the upper pressure measuring hole 158, and the lower end of the fifth connecting pin is connected with the differential pressure sensor 147 through the eleventh communication cable penetrating through the protective sleeve 69.

According to the requirement, the third connecting pin, the fourth connecting pin and the fifth connecting pin are all known in the prior art, such as an ITT15 core pin, the upper end of the upper pressure measuring hole 158 is communicated with the lower part of the twelfth wire through hole 141 through an inclined counter bore, and a wire plugging is fixedly connected in the inclined counter bore in a sealing mode. In the use, can make hydraulic module drive direction module lower extreme outwards swing along articulated department, thereby adjust the central point of lower clutch 2 and put, namely the well direction, through setting up plug groove 140 and crossing the line hole, be convenient for the cable in irrotational urceolus 3 and the laying of hydraulic drive assembly, be convenient for install and seal the cable, improve the reliability of signal in transmission process, subsequent maintenance of also being convenient for, through differential pressure sensor, can measure the outside swing distance of every drive direction module lower extreme, feed back to ground through the cable, adjust hydraulic module's operating condition according to signal and well orbit, make the movement track of lower clutch 2 keep unanimous with the well orbit.

As shown in fig. 1-10 and 22, the guiding module includes a pin 40, a rib 36, a plate spring 41, a hydraulic sleeve 42, a power module 49, a piston 44, an elastic dust cap 45 and a push rod 46, the rib 36 is a plate-shaped structure disposed along the axial direction of the non-rotating outer cylinder 3, the upper end of the rib 36 is hinged to the non-rotating outer cylinder 3 through the pin 40 mounted on the inner side of the upper portion of the guiding mounting groove 142, the plate spring 41 is fixedly connected to one side of the rib 36 close to the mandrel 1, a buffer block 37 protruding outward from the outer side of the non-rotating outer cylinder 3 is provided at the lower portion of the rib 36, a buffer pad 38 is fixedly connected to the outer side of the, a limiting groove 138 with an upward opening is arranged on the inner wall of the lower part of the mounting groove corresponding to the position of the limiting block 39, the lower part of the limiting block 39 is positioned in the limiting groove 138, a buffer ring groove 139 is arranged at one side, close to the outer side of the mandrel 1, of the lower part of the rib plate 36 corresponding to the second mounting hole 143;

the power module 49 is of a fan-ring-shaped structure, the middle part of the power module 49 is fixedly provided with a fourth outer ring platform 48 which is positioned in the guide installation groove 142, the inner end surface of the power module 49, which is far away from the outer side of the non-rotating outer cylinder 3, is an arc surface consistent with the inner wall of the mandrel 1, the outer end surface of the power module 49 is positioned in the guide installation groove 142, the center of the outer end surface of the fourth outer ring platform 48 of the power module 49 is provided with a pushing groove 150, a hydraulic sleeve 42 is fixedly installed in the pushing groove 150 in a sealing manner, the outer side of the middle part of the hydraulic sleeve 42 is provided with a fifth outer ring platform 50, the hydraulic sleeve 42 and the power module 49 are fixedly connected in the guide installation groove 142 through fourth connecting bolts which are uniformly distributed at intervals along the circumferential direction of the fifth outer ring platform 50, the end surface of the fifth outer ring platform 50 and the end surface of the fourth outer ring platform 48 form a lower limit groove, an elastic dustproof cap 45 is arranged on the upper side of the fourth outer ring platform 48, the elastic dustproof cap 45 is of a retractable or extendable round sleeve-shaped structure, one end of the elastic dustproof cap 45 is fixedly connected with the outer side of the upper part of the hydraulic sleeve 42 in a sealing manner, and the other end of the elastic dustproof cap 45 is fixedly connected with one end face, far away from the mandrel 1, of the piston 44 in a sealing manner through an ejector rod 46 screwed in the threaded blind hole;

the hydraulic module comprises a base block 67, an oil storage groove 162 with a downward opening is arranged at the lower end of the left part of the base block 67 far away from the power module 49, the lower part of the oil storage groove 162 is communicated with the lower part of the driving installation groove 146 through an oil inlet 160, at least two pressure stabilizing holes 163 communicated with the oil storage groove 162 are arranged on the left side surface of the base body block 67 far away from the power module 49 at intervals up and down, the driving mounting groove 146 corresponding to the position of the oil inlet 160 and the pushing groove 150 are communicated with the oil outlet 161 on the power module 49 through the base block 67, a first detection hole 154 is formed in the base block 67 corresponding to the oil outlet hole 161, one end of the first detection hole 154 is communicated with the driving installation groove 146, the other end of the first detection hole 154 extends to the upper surface of the base block 67, a pressure measuring plug wire is fixedly installed at the upper end of the first detection hole 154 in a sealing mode, and the upper portion of the first detection hole 154 is communicated with the lower portion of a lower pressure measuring hole 159 below the differential pressure sensor 147 through an inclined hole;

the driving device is a vertically arranged hydraulic pump 53, the hydraulic pump 53 is arranged on the inner side of the upper part of the driving installation groove 146, the outer side of the upper end of a motor of the hydraulic pump 53 is fixedly provided with a round sleeve-shaped fixed bridge pipe 54 in a sealing way, the outer side of the upper end of the fixed bridge pipe 54 is in sealing contact with the inner side of the lower end of a twelfth wire passing hole 141 on the lower side of a fourth connecting contact pin, the outer side of the lower end of the fixed bridge pipe 54 is in sealing contact with the inner side of the upper end of the driving installation groove 146, the lower end of the fourth connecting contact pin is connected with the motor of the hydraulic pump 53 through a ninth communication cable penetrating through the fixed bridge pipe 54, the inlet end of the hydraulic pump 53 is communicated with the driving installation groove 146, the outlet end of the hydraulic pump 53 is fixedly provided with a valve body 56 through a round sleeve-shaped adapter, a right liquid outlet channel 165 with the lower end extending downwards to the lower end of the valve body 56 is arranged on the right side of the left liquid outlet channel 164 in parallel, the upper end of the right liquid outlet channel extends upwards to be communicated with the lower end of the upper liquid outlet channel 151, a round sleeve-shaped micro filter cylinder 59 is fixedly sleeved in the upper liquid outlet channel 151, a throttle valve 57 is fixedly installed in the right liquid outlet channel 165 in a sealing manner, a safety valve 58 is fixedly installed in the left liquid outlet channel 164 in a sealing manner, a driving installation groove 146 corresponding to the lower side position of the safety valve 58 is communicated with an oil storage groove 162 through a pressure relief hole 152, the outer sides of the lower part of the valve body 56 corresponding to the positions above and below the oil inlet hole 160 are in sealing contact with the inner part of the upper liquid outlet channel, and at least one diversion hole 153 communicated;

the inner side of the lower end of the oil storage tank 162 is fixedly provided with a round sleeve-shaped oil bag base body 63, the oil bag base body 63 is of a cylindrical structure, the middle part of the oil bag base body is provided with an overflow channel 156, the lower end of the oil bag base body 63 is provided with an outer boss 64, the outer boss 64 is fixedly connected with a base body block 67, the lower end of the overflow channel 156 is fixedly provided with a first plug 65 in a sealing manner, the outer side of the middle part of the oil bag base body 63 corresponding to the position above the first plug 65 is provided with a first sealing mechanism and a second sealing mechanism at intervals up and down, the outer side of the middle part of the oil bag base body 63 corresponding to the position between the first sealing mechanism and the second sealing mechanism is provided with at least one backflow hole 157 communicated with the overflow channel 156, the lower part of the overflow channel 156 is communicated with the lower part of the driving installation groove 146 through the backflow hole 157 and the, the outer side of the middle part of the oil bag mandrel 60 is in sealing contact with the inner side of the oil storage groove 162 through a third sealing mechanism, the outer side of the upper end of the mandrel 1 is fixedly provided with an oil storage bag 62 of which the upper end is positioned at the upper part of the oil storage groove 162 in a sealing manner, an oil storage cavity is arranged inside the oil storage bag 62, an oil pipe 61 of which the lower end is fixedly arranged at the upper end of the oil bag mandrel 60 is arranged in the oil storage cavity, the oil pipe 61 is of a tubular structure which is axially arranged, the upper end of the oil bag mandrel 60 corresponding to the right side position of the lower end of the oil pipe 61 is provided with an oil inlet channel 149, the lower end of the oil inlet channel 149 extends to the outer side of.

According to the requirement, a shaft sleeve can be sleeved outside the pin shaft 40, the rotation angle of the rib plate 36 around the pin shaft 40 is between 0 degree and 5 degrees, the shaft sleeve is installed between the rib plate 36 and the pin shaft 40, the upper end of the plate spring 41 is fixedly connected with the rib plate 36 through a connecting bolt, the plate spring 41 is a conventional known technology, for example, the plate spring 41 is made of TC4, the stroke of the piston 44 is 14mm, and the differential pressure sensor 147 is a conventional known technology; the first sealing mechanism, the second sealing mechanism and the third sealing mechanism are all composed of check rings and sealing rings in the prior known technology, for convenience of processing, the oil inlet 160 is a rectangular through hole, the oil outlet 161 includes a first oil outlet and a second oil outlet, one end of the first oil outlet extends to the inner side of the lower end of the pressure measuring hole and is communicated with the driving mounting groove 146, the other end of the first oil outlet extends to the outer surface of the base block 67, one end of the second oil outlet is communicated with one end of the pushing groove 150 close to the mandrel 1, the other end of the second oil outlet extends to the outer surface of the base block 67, the middle of the second oil outlet is communicated with the middle of the first oil outlet, the oil inlet channel 149 includes an axial oil inlet channel axially arranged and a radial oil inlet channel radially arranged, one end of the radial oil inlet channel is communicated with the lower end of the axial oil inlet channel, and the other end of the radial oil inlet channel extends to one side of the.

In the using process, through the arrangement, the ninth communication cable transmits the electrical signal at the upper part to the motor of the hydraulic pump 53, the motor of the hydraulic pump 53 drives the hydraulic pump 53 to work after being started, when the hydraulic pump 53 works, the hydraulic oil stored in the oil storage bag 62 sequentially flows through the oil inlet channel 149, the oil storage groove 162, the oil inlet 160 and the drive mounting groove 146 and flows into the working cavity of the hydraulic pump 53 from the inlet end of the hydraulic pump 53, after the hydraulic oil is boosted, the hydraulic oil sequentially flows through the outlet end of the hydraulic pump 53, the adapter 55, the upper liquid outlet channel 151 and the oil inlet 160 of the valve body 56 and then flows into the oil storage groove 162, then the hydraulic oil is divided into two branches, one branch flows into the lower pressure measuring hole 159 through the first detecting hole 154, after the pressure is detected by the differential pressure sensor 147 in the lower pressure measuring hole, the signal is uploaded to control the motor rotation speed of the hydraulic, finally, the lower end of the rib plate 36 is supported on the well wall after rotating outwards around the pin shaft 40, the stroke of the piston 44 is controlled finally by controlling the motors of the three hydraulic pumps 53, thereby controlling the direction of the well hole, after the hydraulic pumps 53 work, the rib plate 36 can be withdrawn by the elastic action of the plate spring 41, so that the oil well can move up and down smoothly, when the internal pressure is too high, the high-pressure oil in the upper liquid outlet channel 151 flows into the lower part of the driving installation groove 146 through the safety valve 58, then flows into the pressure relief hole 152, the lower part of the oil storage groove 162, the backflow hole 157, the overflow channel 156, the backflow channel and the oil pipe 61 into the oil storage cavity of the oil storage bag 62 through the safety valve 58, when the hydraulic pumps 53 do not work, the slurry fluid in the mandrel 1 flows through the second installation hole 143 and the gap between the hydraulic module and the irrotational outer cylinder 3, further, the piston 44 is moved toward the outside of the mandrel 1, the pressure oil is caused to flow back into the oil bladder base body 63 by the piston 44 in the opposite direction, and when the hydraulic pump 53 is operated, the slurry outside the non-rotating outer cylinder 3 flows into the oil storage tank 162 through the pressure stabilizing hole 163 to act on the outer wall of the oil bladder base body 63, so that the hydraulic pump 53 can normally suck the pressure oil in the oil bladder base body 63, and when the hydraulic pump 53 is not operated, the slurry outside the non-rotating outer cylinder 3 can act on the outer wall of the rib plate 36 to move the lower end thereof toward the. Compact and reasonable structure, reliable operation and convenient control.

As shown in fig. 1 and 2, the upper bearing assembly includes an upper inner sleeve 70, an upper outer sleeve 71, an upper rolling sleeve 73, an upper radial buffer sleeve 74, an upper axial buffer sleeve, an upper outer teeth group and an upper inner teeth group, the upper inner sleeve 70 is hermetically sleeved outside the mandrel 1, the upper outer side of the upper outer sleeve 71 corresponding to the upper end of the non-rotating outer cylinder 3 is provided with a fifth outer ring platform 50, the fifth outer ring platform 50 is hermetically screwed with the inner side of the upper end of the non-rotating outer cylinder 3, the upper radial buffer sleeve 74 and the upper rolling sleeve 73 are sequentially arranged between the inner side of the upper outer sleeve 71 and the outer side of the upper inner sleeve 70 from outside to inside, the lower end of the upper rolling sleeve 73 is fixedly provided with a first adjusting mechanism sleeved outside the lower end of the upper inner sleeve 70, the lower side of the first adjusting mechanism is in contact with the upper end surface of the flange 98, the upper end of the upper rolling sleeve 73 is located above the upper outer sleeve 71, at least two upper outer teeth groups are vertically spaced inside the upper, the outer side of the upper inner sleeve 70 is provided with an upper inner tooth group corresponding to the upper outer tooth group, each upper inner tooth group comprises at least three cylindrical upper inner PDC teeth 78 which are distributed at intervals along the circumference, the upper inner PDC teeth 78 of two adjacent upper inner tooth groups are arranged in a staggered manner, the outer end surface of each upper inner PDC tooth 78 of each upper inner tooth group is contacted with the inner end surface of the upper outer PDC tooth 77 of the corresponding upper outer tooth group, the outer side of the upper rolling sleeve 73 is fixedly connected with the inner side of the upper radial buffer sleeve 74 in a vulcanization manner, the outer side of the upper radial buffer sleeve 74 is fixedly connected with the inner side of the upper outer sleeve 71 in a vulcanization manner, and the outer side of the upper end of the upper outer sleeve 71 is sleeved with an axial;

the upper axial buffer sleeve comprises an upper cambered ring sleeve 75 and an upper cambered ring platform 76, the upper end of the upper outer sleeve 71 corresponding to the upper side of the fifth outer ring platform 50 is fixed with the upper cambered ring platform 76, the upper cambered ring platform 76 is a circular platform with an outer ring in a circular arc shape with a narrow upper part and a wide lower part, the outer side of the upper cambered ring platform 76 is hermetically sleeved with the upper cambered ring sleeve 75, an arc inner hole matched with the outer cambered surface of the upper cambered ring platform 76 is arranged inside the upper cambered ring sleeve 75, a buffer space capable of enabling the inner side of the upper cambered ring sleeve 75 and the outer side of the upper cambered ring platform 76 to move relatively along the axial direction is arranged between the inner side of the upper cambered ring sleeve 75 and the outer side of the upper cambered ring platform 76, the upper wear-resistant component comprises a first wear-resistant ring 79, a first wear-resistant patch 81, a second wear-resistant patch 80, a second wear-resistant patch 82 and a fifth connecting bolt, the inner side of the first wear-resistant patch 79 is in threaded connection with the, at least one positioning key is distributed between the lower end face of the first wear-resistant ring 79 and the upper end face of the upper cambered-surface ring sleeve 75 at intervals along the circumference, at least three first wear-resistant patches 81 are uniformly distributed on the upper end face of the first wear-resistant ring 79 at intervals along the circumference, a second wear-resistant ring 80 is sleeved on the outer side of the upper portion of the upper inner sleeve 70 corresponding to the position above the first wear-resistant ring 79, the second wear-resistant ring 80 and the upper inner sleeve 70 are fixedly connected through a fifth connecting bolt, and a second wear-resistant patch 82 in contact with the first wear-resistant patches 81 can be fixedly mounted on the lower end face of the second wear.

According to the requirement, the number of the upper outer tooth group and the upper inner tooth group is 2, the number of the upper outer PDC teeth 77 of each upper outer tooth group and the number of the upper inner PDC teeth 78 of each upper inner tooth group are 21, the upper inner PDC teeth 78 positioned above and the upper inner PDC teeth 78 positioned below are arranged in a staggered mode, the upper radial buffer sleeve 74 is made by the prior art, such as vulcanized silicone rubber, the first wear-resistant patches 81 and the second wear-resistant patches 82 are made by the prior art, such as cylindrical PDC composite sheets, the number of the first wear-resistant patches 81 and the number of the second wear-resistant patches 82 are 28 and 27 respectively, the first wear-resistant sheets and the second wear-resistant sheets are fixed on the first wear-resistant ring 79 and the second wear-resistant ring 80 through welding, the first wear-resistant ring 79 and the second wear-resistant ring 80 are both provided with vent holes for welding the first wear-resistant ring 79 and the second wear-resistant ring 80, and at least 2 NPT1/16 are uniformly distributed on the outer side of the upper arc surface 75 above the sealing contact position of the upper arc surface 75 and the upper arc ring Each upper oil injection threaded hole is internally provided with an upper hexagonal oil plug in a sealing and fixing mode, the outer side of the middle part of the first wear-resisting ring 79 and the outer side of the middle part of the second wear-resisting ring 80 are respectively provided with an upper disassembly ring groove, and at least one positioning key is distributed between the lower end face of the first wear-resisting ring 79 and the upper end face of the upper cambered surface ring sleeve 75 at intervals along the circumference. In the using process, the fifth outer ring table 50 is arranged, so that the impact and vibration of the non-rotating outer cylinder 3 of the drilling tool can be completely transferred to the upper radial buffer sleeve 74 and the upper axial buffer sleeve, the radial impact and vibration from the upper outer sleeve 71 can be relieved by arranging the upper axial buffer sleeve and the upper radial buffer sleeve 74, the fracture and damage of the upper inner PDC teeth 78 and the upper outer PDC teeth 77 can be avoided, the loss in relative rotation between the upper inner sleeve 70 and the upper rolling sleeve 73 can be reduced by arranging the upper inner PDC teeth 78 and the upper outer PDC teeth 77, the contact area between the upper inner teeth and the upper outer teeth can be increased by arranging the upper inner PDC teeth 78 of two adjacent upper inner teeth groups in a vertically staggered mode, the failure rate is reduced, the service life of the drilling tool is prolonged, the gap between the upper axial buffer sleeve and the upper outer sleeve 71 can be adjusted by arranging the first adjusting structure, the buffer distance is shortened, the impact and the vibration transmitted from the upper outer sleeve 71 to the upper cambered ring sleeve 75 are relieved; because the impact does not act along the axial completely, consequently when receiving the slant force, through last cambered surface cooperation between cambered surface ring platform 76 and the last cambered surface ring cover 75, make outer cover 71 and the adjustment of last cambered surface ring platform 76 rotation, prevent blocking, guarantee that the axial cushion collar can be reliably stable, through first wear-resisting paster 81, the wear-resisting paster 82 of second, go up inner tooth group and last outer tooth group, can make and form the cooling runner between the outer side of last endotheca 70 and the last roll cover 73 inboard, the drilling fluid flows in between the outer side of endotheca 70 and the last roll cover 73 inboard by between first wear-resisting circle 79 and the second wear-resisting circle 80, can play the cooling effect to first wear-resisting paster 81 in the course of the work, the wear-resisting paster 82 of second, go up outer PDC tooth 77 and last interior PDC tooth 78, improve the utility model discloses a service life.

As shown in fig. 1 and 2, the lower bearing assembly comprises a lower inner sleeve 83, a lower outer sleeve 86, a lower rolling sleeve 87, a lower radial buffer sleeve 88, a lower axial buffer sleeve, a lower outer tooth group and a lower inner tooth group, the lower inner sleeve 83 is hermetically sealed on the outer side of the upper end of the lower joint 2, the lower outer sleeve 86 is sleeved on the outer side of the upper end of the lower inner sleeve 83, a sixth outer ring platform 84 is arranged on the outer side of the upper part of the lower outer sleeve 86, at least two adjusting gaskets 85 which are stacked are arranged between the upper end of the sixth outer ring platform 84 and the lower end surface of the non-rotating outer cylinder 3, the outer side of the sixth outer ring platform 84 is hermetically screwed with the inner side of the lower end of the non-rotating outer cylinder 3, the lower radial buffer sleeve 88 and the lower rolling sleeve 87 are sequentially arranged between the inner side of the lower outer sleeve 86 and the outer side of the lower inner sleeve 83 from outside to inside, a second, the lower end of a lower rolling sleeve 87 is positioned below a lower outer sleeve 86, at least two lower outer tooth groups are distributed on the inner side of the lower rolling sleeve 87 at intervals up and down, each lower outer tooth group comprises at least three lower outer PDC teeth 91 which are distributed at intervals along the circumference and are cylindrical, a lower inner tooth group corresponding to the lower outer tooth group is arranged on the outer side of the lower inner sleeve 83, each lower inner tooth group comprises at least three lower inner PDC teeth 92 which are distributed at intervals along the circumference and are cylindrical, the lower inner PDC teeth 92 of the two adjacent lower inner tooth groups are arranged in a staggered manner, the outer end surface of the lower inner PDC tooth 92 of each lower inner tooth group is contacted with the inner end surface of the lower outer tooth 91 of the corresponding lower outer tooth group, the outer side of the lower rolling sleeve 87 is fixedly connected with the inner side of a lower radial buffer sleeve 88 in a vulcanization manner, the outer side of the lower radial buffer sleeve 88 is fixedly connected with the inner side of the lower outer sleeve 86 in a vulcanization;

the lower axial buffer sleeve comprises a lower cambered ring sleeve 89 and a lower cambered ring platform 90, the lower end of the lower outer sleeve 86 corresponding to the lower side of the sixth outer ring platform 84 is fixedly provided with the lower cambered ring platform 90, the lower cambered ring platform 90 is a circular ring platform with an outer ring surface in a circular arc shape with a wide upper part and a narrow lower part, the outer side of the lower cambered ring platform 90 is hermetically sleeved with the lower cambered ring sleeve 89, the inner part of the lower cambered ring sleeve 89 is provided with an arc inner hole matched with the outer cambered surface of the lower cambered ring platform 90, a buffer space capable of enabling the inner side of the lower cambered ring sleeve 89 and the outer side of the lower cambered ring platform 90 to move relatively along the axial direction is arranged between the inner side of the lower cambered ring sleeve 89 and the outer side of the lower cambered ring platform 90, the lower side of the lower cambered ring sleeve 89 is provided with a lower wear-resistant component, the lower wear-resistant component comprises a third wear-resistant ring 93, a third wear-resistant patch 95, a fourth wear-resistant patch 94, a fourth wear, at least three third wear-resistant patches 95 are uniformly distributed on the lower end surface of the third wear-resistant ring 93 at intervals along the circumference, a fourth wear-resistant ring 94 is sleeved on the outer side of the lower part of the lower inner sleeve 83 corresponding to the position below the third wear-resistant ring 93, the fourth wear-resistant ring 94 is fixedly connected with the lower inner sleeve 83 through a sixth connecting bolt, and a fourth wear-resistant patch 96 capable of contacting with the third wear-resistant patches 95 is fixedly mounted on the upper end surface of the fourth wear-resistant ring 94.

According to the requirement, the number of the lower outer tooth group and the lower inner tooth group is 2, the number of the lower outer PDC teeth 91 of each lower outer tooth group and the number of the lower inner PDC teeth 92 of each lower inner tooth group are 21, the lower inner PDC teeth 92 positioned above and the lower inner PDC teeth 92 positioned below are arranged in a staggered manner, the lower radial buffer sleeve 88 is made by the prior art, such as vulcanized silicone rubber, the third wear-resistant patch 95 and the fourth wear-resistant patch 96 are made by the prior art, such as a cylindrical PDC composite sheet, the number of the third wear-resistant patch 95 and the number of the fourth wear-resistant patch 96 are 28 and 27 respectively, the third wear-resistant patch and the fourth wear-resistant patch are fixed on the third wear-resistant ring 93 and the fourth wear-resistant ring 94 by welding, the vent holes for welding the third wear-resistant ring 93 and the fourth wear-resistant ring 94 are arranged on the third wear-resistant ring 93 and the fourth wear-resistant ring 94, at least 2 NPTs 1/16 are arranged on the outer side of the lower arc 89 and the circumference of the outer ring 89 and the lower arc ring 89, which is in sealed Each lower oil injection threaded hole is internally and fixedly provided with a lower inner hexagonal oil plug in a sealing manner, lower disassembly ring grooves are formed in the outer sides of the middle parts of the third wear-resistant rings 93 and the outer sides of the middle parts of the fourth wear-resistant rings 94, and at least one positioning key is distributed between the lower end surfaces of the third wear-resistant rings 93 and the upper end surfaces of the lower cambered surface ring sleeves 89 at intervals along the circumference. In the using process, the sixth outer ring table 84 is arranged, so that the impact and vibration of the non-rotating outer cylinder 3 of the drilling tool can be completely transferred to the lower radial buffer sleeve 88 and the lower axial buffer sleeve, the radial impact and vibration from the lower outer sleeve 86 can be relieved by arranging the lower axial buffer sleeve and the lower radial buffer sleeve 88, the fracture and damage of the lower inner PDC teeth 92 and the lower outer PDC teeth 91 can be avoided, the loss in relative rotation between the lower inner sleeve 83 and the lower rolling sleeve 87 can be reduced by arranging the lower inner PDC teeth 92 and the lower outer PDC teeth 91, the lower inner PDC teeth 92 of two adjacent lower inner tooth groups are arranged in a vertically staggered mode, the contact area between the lower inner tooth groups and the lower outer tooth groups can be increased, the failure rate is reduced, the service life of the drilling tool is prolonged, the gap between the lower axial buffer sleeve and the lower outer sleeve 86 can be adjusted by arranging the second adjusting structure and the adjusting shim 85, the buffer distance is passed through, the impact and vibration transmitted from the lower outer sleeve 86 to the lower cambered ring sleeve 89 are relieved; because the impact does not act on along the axial completely, consequently when receiving the slant force, through the cambered surface cooperation between cambered surface ring platform 90 and the cambered surface ring cover 89 down, make outer cover 86 and cambered surface ring platform 90 rotate the adjustment down, prevent stopping suffocating, guarantee that the axial cushion collar can be reliably stable down, through third wear-resisting paster 95, fourth wear-resisting paster 96, down interior tooth group and outer tooth group down, can make down and form the cooling runner between the endotheca 83 outside and the lower roll cover 87 inboard, the drilling fluid flows in down between endotheca 83 outside and the lower roll cover 87 inboard by between third wear-resisting paster 93 and the fourth wear-resisting circle 94, can play the cooling effect to third wear-resisting paster 95 in the course of the work, fourth wear-resisting paster 96, lower outer PDC tooth 91 and lower interior PDC tooth 92, improve the utility model discloses a service life.

As shown in fig. 1 and 2, the first adjusting mechanism includes a first press ring 97 and a first disc spring 14, the first press ring 97 has a flange structure, the first press ring 97 is sleeved between the outer side of the lower end of the upper inner sleeve 70 and the inner side of the lower end of the upper outer sleeve 71, the upper portion of the first disc spring 14 is sleeved on the outer side of the lower end of the first press ring 97, the upper end surface of the first disc spring 14 abuts against the end surface of the first press ring 97, and the lower end surface of the first disc spring 14 abuts against the upper end surface of the flange 98.

First belleville spring 14 is conventional in the art as desired. In the use, through such setting, can avoid changeing stator cover 23 of assembly soon and take place the axial float back and go up terminal surface bump under overcoat 71, improve the utility model discloses reliability in the course of the work.

As shown in fig. 1 and 2, the second adjusting mechanism includes a second pressing ring 99 and a second disc spring 100, the second pressing ring 99 is of a flange structure, the second pressing ring 99 is sleeved between the outer side of the upper end of the lower inner sleeve 83 and the inner side of the upper end of the lower outer sleeve 86, the lower portion of the second disc spring 100 is sleeved on the outer side of the upper end of the second pressing ring 99, at least two second adjusting washers 72 which are stacked are sleeved on the inner side of the lower end of the non-rotating outer cylinder 3 corresponding to the upper position of the second disc spring 100, the upper end surface of the second disc spring 100 abuts against the lower end surface of the second adjusting washer 72 located at the lowest position, and the lower end surface of the second disc spring 100 abuts.

The second disc spring 100 and the second adjusting washer 72 are both well known in the art as desired. In the use, the equipment the utility model discloses from top to bottom from interior to exterior is according to the preface installation, through such setting, can be when installing lower clutch 2 at last through the quantity adjustment that changes second adjusting washer 72 the utility model discloses an axial installation clearance makes the utility model discloses the equipment back is compacter, can improve the reliability of working in adverse circumstances in the pit.

As shown in fig. 1 and 2, the rotation direction of the mandrel 1 during operation is the main rotation direction, the screwing direction of the fifth outer ring table 50 to the non-rotating outer cylinder 3 is the same as the main rotation direction, and the screwing direction of the sixth outer ring table 84 to the non-rotating outer cylinder 3 is opposite to the main rotation direction.

In the use, through such setting, dabber 1 is rotating the in-process, can avoid increasing axial fit-up gap after upper bearing assembly or lower bearing assembly and 3 unscrewing of irrotational urceolus, improves the utility model discloses control accuracy in the course of the work.

Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.

Claims

1. A downhole rotary guide drill bit device is characterized by comprising a mandrel, a lower joint, a non-rotating outer barrel, an upper electronic bin assembly, a lower electronic bin assembly, a rotary transformer assembly, an upper bearing assembly, a lower bearing assembly and a hydraulic driving device, wherein the mandrel is a stepped shaft with a first slurry passing channel which is vertically communicated and is arranged in the center, the outer side of the lower end of the mandrel is fixedly connected with the inner side of the upper end of the lower joint, a second slurry passing channel communicated with the first slurry passing channel is arranged in the center of the lower end of the lower joint, the outer side of the middle part of the mandrel is sleeved with the non-rotating outer barrel which is coaxially arranged with the mandrel, the outer side of the lower part of the non-rotating outer barrel is provided with the hydraulic driving device capable of changing the direction of a well hole, the lower electronic bin assembly is arranged between the inner side of the middle part of the non-rotating outer, an upper electronic cabin assembly is arranged on the inner side of the upper part of the mandrel, an upper bearing assembly is arranged between the inner side of the non-rotating outer barrel corresponding to the upper side position of the rotary transformer assembly and the outer side of the mandrel, a lower bearing assembly capable of adjusting assembly tolerance is arranged between the inner side of the lower end of the non-rotating outer barrel and the outer side of the upper end of the upper joint, an axial first wire passing channel is arranged at the upper end of the left part of the mandrel on the outer side of the upper electronic cabin assembly, a first cable capable of connecting the upper electronic cabin assembly with the bidirectional communication module is arranged in the first wire passing channel, a second wire passing channel is arranged on the mandrel wall corresponding to the position between the rotary transformer assemblies between the upper electronic cabin assembly, a second cable capable of connecting the upper electronic cabin assembly with the rotary transformer assembly is arranged in the second wire passing channel in a penetrating manner, a third wire passing channel is arranged on the wall of the lower electronic cabin assembly, and a third cable capable of, and a fourth wire passing channel is arranged on the non-rotating outer cylinder wall of the lower electronic cabin assembly and the hydraulic driving device, and a fourth cable capable of connecting the lower electronic cabin assembly and the hydraulic driving device is arranged in the fourth wire passing channel.

2. The downhole rotary steerable drill bit assembly of claim 1, wherein the upper electronics magazine assembly comprises a cylindrical upper electronics barrel coaxially sleeved inside the upper portion of the mandrel, and a locking assembly, wherein the upper electronics barrel has a first connection step on the outside of the lower portion thereof, the mandrel has a second connection step on the inside thereof for mating with the first connection step, the first connection step has at least one stop connection screw threaded onto the lower end surface thereof, the second connection step corresponding to each stop connection screw has an upper blind hole on the upper end surface thereof, the lower portion of each stop connection screw is located in the corresponding upper blind hole, the mandrel has an inner side for sealing contact with the outside of the first connection step, the mandrel has an upper connection thread on the inner side thereof, the locking assembly is provided on the inner side of the mandrel corresponding to the position between the upper connection thread and the upper electronics barrel, and the locking assembly comprises a lower cone, an upper cone, a locking assembly, The electronic device comprises a first connecting bolt, a first adjusting ring, a first disc spring and a first adjusting washer, wherein a lower conical sleeve in a circular sleeve shape is sleeved on the inner side of a mandrel corresponding to the upper end position of an electronic barrel, the outer circumferential surface of the lower conical sleeve is in a conical shape with a small upper part and a large lower part, a first outer ring platform protruding upwards is arranged at the upper end of the inner side of the lower conical sleeve, an upper conical sleeve in a circular sleeve shape is sleeved on the outer side of the first outer ring platform, the upper conical sleeve and the lower conical sleeve are fixedly connected through a plurality of first connecting bolts uniformly distributed along the circumference of the upper end surface of the upper conical sleeve, at least two clamping jaws which can abut against the inner side of the mandrel when the outer side of the lower end of the upper conical sleeve moves downwards are uniformly distributed at intervals along the circumference, the first adjusting ring is sleeved on the outer side of the upper end position of the first outer ring platform corresponding to the upper end position of the;

3. The downhole rotary steerable drill bit device according to claim 2, wherein the rotary transformer assembly comprises a rotor sleeve, a stator sleeve, an inner shell, an outer shell, a primary winding, a secondary winding, an outer magnetic stripe and an inner magnetic stripe, the rotor sleeve is fixedly and hermetically mounted coaxially on the outside of the middle portion of the mandrel corresponding to the inner side of the upper portion of the non-rotating outer cylinder, the outside of the upper end of the rotor sleeve is provided with a second outer ring platform, the upper bearing assembly is mounted between the mandrel on the upper side of the second outer ring platform and the non-rotating outer cylinder, the outside of the middle portion of the rotor sleeve corresponding to the lower side of the second outer ring platform is provided with a rotor ring groove, the outside of the middle portion of the second outer ring platform is provided with an arc groove with an outward opening, the inside of the upper end of the rotor sleeve corresponding to the lower end of each fourth wire passing hole is provided with a first wire passing groove with, second wire passing grooves with lower ends communicated with the upper part of the rotor ring groove are arranged at the outer side of the lower part of the second outer ring platform at intervals, the lower part of each second wire passing groove is communicated with the lower part of an arc groove, an inner wire passing plate with an axis is arranged in the rotor ring groove corresponding to the second wire passing groove, the inner wire passing plate is of a plate-shaped structure with an E-shaped radial section, a plurality of inner magnetic strips with an E-shaped radial section are uniformly distributed in the rotor ring groove at the left side and the right side of the inner wire passing plate along the circumference, a first signal cable groove with an inward opening is arranged at one side of the inner wire passing plate close to the outer side of the mandrel, the upper end of the first signal cable groove is communicated with the lower end of one of the second wire passing grooves, a second signal cable groove with an outward opening is arranged at the other side of the inner wire passing plate far away from the outer side of the mandrel, a primary side winding is arranged in the rotor ring groove corresponding to, one end of the primary winding sequentially passes through the first signal cable groove, the second wire passing groove, the circular arc groove, the fifth wire passing hole and the first wire passing groove to be connected with a corresponding fourth communication cable, the other end of the primary winding sequentially passes through the second signal cable groove, the second wire passing groove, the circular arc groove, the fifth wire passing hole and the first wire passing groove to be connected with a corresponding fourth communication cable, a circular sleeve-shaped inner shell is arranged outside the rotor sleeve, the inner side of the upper end of the inner shell is hermetically connected with the outer side of the second outer ring platform positioned at the upper side of the rotor ring groove, the inner side of the lower end of the inner shell is hermetically connected with the outer side of the lower part of the rotor sleeve positioned at the lower side of the rotor ring groove, at least two clamping blocks are uniformly distributed on the upper end surface of the inner, a vertically through clamping groove is formed in the outer side of the third outer ring platform corresponding to the position of each clamping block, and each clamping block is clamped in the clamping groove corresponding to the position;

4. The downhole rotary steerable drill bit assembly according to claim 3, wherein the lower electronics bin assembly comprises a lower electronics bin coaxially sleeved outside the lower portion of the mandrel, the outer side of the upper end of the lower electronics bin extends upward to the inner side of the lower end of the stator housing, the upper end of the lower electronics bin is fixedly mounted with the lower end of the stator housing by at least two second connecting bolts uniformly circumferentially distributed, the outer side of the non-rotating outer housing corresponding to the upper end of the lower electronics bin is provided with at least one oil injection threaded through hole, each oil injection threaded through hole is hermetically and threadedly connected with a second oil plug, the outer side of the middle portion of the lower electronics bin is circumferentially and uniformly provided with at least two lower communication bins outwardly opened, the outer side of the upper portion of the lower electronics bin is provided with a third annular groove, the lower portion of the third annular groove is communicated with the upper portion of each lower communication bin, the outer side of the lower portion of the lower electronics bin, the outer side of the upper part of the lower electronic barrel corresponding to the upper part of the third ring groove is in sealing contact with the inner side of the non-rotating outer barrel, the outer side of the lower part of the lower electronic barrel corresponding to the lower part of the fourth ring groove is in sealing contact with the inner side of the non-rotating outer barrel, the outer side of the lower electronic barrel corresponding to the lower part of the fifth signal cable groove and the lower end of the sixth signal cable groove are respectively provided with a tenth wire through hole and an eleventh wire through hole, the lower ends of the tenth wire through hole and the eleventh wire through hole are communicated with the upper part of the third ring groove, three first mounting holes which are communicated with the inside and the outside are uniformly distributed on the outer side of the lower part of the non-rotating outer barrel corresponding to the lower part of the lower electronic barrel along the circumference, the lower end surface of the lower electronic barrel is fixedly provided with sockets corresponding to the first mounting holes, the inner side surface of each socket is an arc, the outer end face of each socket is provided with an inserting groove communicated with the middle part of the corresponding long round hole;

5. The downhole rotary steerable drill bit assembly of claim 4, wherein the hydraulic drive assembly comprises three hydraulic drive assemblies of identical construction and circumferentially spaced and evenly distributed about the outer side of the lower portion of the non-rotating outer barrel, the hydraulic drive assemblies comprising a connecting block, a power module, a steering module and a hydraulic module integrally disposed, the outer side of the lower part of the irrotational outer barrel, corresponding to the position between every two adjacent first mounting holes, is provided with a guide mounting groove with an outward opening, the lower part of each guide mounting groove is provided with a second mounting hole communicated with the inside and the outside, a power mounting groove with an outward opening is arranged between every two adjacent guide mounting grooves, the upper part of each power mounting groove is communicated with the lower part of the corresponding first mounting hole, and the lower part of each guide mounting groove is communicated with a hydraulic mounting groove which is positioned on the front side of the guide mounting groove along the anticlockwise direction from top to bottom and is provided with an outward opening at the lower part of the adjacent power mounting groove;

6. The downhole rotary steerable drill bit assembly according to claim 5, wherein the steering module comprises a pin, a rib, a plate spring, a hydraulic sleeve, a power module, a piston, an elastic dust cap, and a push rod, the rib is a plate-shaped structure disposed along the axial direction of the non-rotating outer cylinder, the upper end of the rib is hinged to the non-rotating outer cylinder via a pin mounted on the inner side of the upper portion of the steering mounting groove, the plate spring is fixedly connected to one side of the rib near the mandrel, the lower portion of the rib has a bumper protruding outward from the outer side of the non-rotating outer cylinder, a bumper pad is fixedly connected to the outer side of the bumper pad, a limiting groove with an upward opening is arranged on the inner wall of the lower part of the mounting groove corresponding to the position of the limiting block, the lower part of the limiting block is positioned in the limiting groove, a buffer ring groove is formed in one side, close to the outer side of the mandrel, of the lower part of the rib plate corresponding to the second mounting hole;

7. The downhole rotary steerable drill bit assembly according to claim 3, 4, 5 or 6, wherein the upper bearing assembly comprises an upper inner sleeve, an upper outer sleeve, an upper rolling sleeve, an upper radial cushion sleeve, an upper axial cushion sleeve, an upper outer tooth set and an upper inner tooth set, the upper inner sleeve is hermetically sleeved on the outer side of the mandrel, a fifth outer ring table is arranged on the outer side of the upper outer sleeve corresponding to the upper end of the non-rotating outer cylinder, the fifth outer ring table is hermetically screwed with the inner side of the upper end of the non-rotating outer cylinder, the upper radial cushion sleeve and the upper rolling sleeve are sequentially arranged between the inner side of the upper outer sleeve and the outer side of the upper inner sleeve from outside to inside, a first adjusting mechanism sleeved on the outer side of the lower end of the upper inner sleeve is fixedly arranged at the lower end of the upper rolling sleeve, the lower side of the first adjusting mechanism is in contact with the upper end surface of the flange, the upper end of the upper rolling sleeve is positioned above the upper outer sleeve, at least two, the outer side of the upper inner sleeve is provided with an upper inner tooth group corresponding to the upper outer tooth group, each upper inner tooth group comprises at least three cylindrical upper inner PDC teeth which are distributed at intervals along the circumference, the upper inner PDC teeth of two adjacent upper inner tooth groups are arranged in a staggered manner, the outer end surface of each upper inner PDC tooth of each upper inner tooth group is contacted with the inner end surface of the upper outer PDC tooth of the corresponding upper outer tooth group, the outer side of the upper rolling sleeve is fixedly connected with the inner side of the upper radial buffer sleeve in a vulcanization manner, the outer side of the upper radial buffer sleeve is fixedly connected with the inner side of the upper outer sleeve in a vulcanization manner, and the outer side of the upper end of the upper outer sleeve is sleeved with an axial;

8. The downhole rotary steerable drill bit assembly according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the lower bearing assembly comprises a lower inner sleeve, a lower outer sleeve, a lower rolling sleeve, a lower radial cushion sleeve, a lower axial cushion sleeve, a lower outer tooth set and a lower inner tooth set, the lower inner sleeve is hermetically sleeved on the outer side of the upper end of the lower joint, the lower outer sleeve is sleeved on the outer side of the upper end of the lower inner sleeve, a sixth outer ring table is arranged on the outer side of the upper portion of the lower outer sleeve, at least two adjusting gaskets are arranged between the upper end of the sixth outer ring table and the lower end face of the non-rotating outer cylinder in a stacked manner, the outer side of the sixth outer ring table is hermetically screwed with the inner side of the lower end of the non-rotating outer cylinder, the lower radial cushion sleeve and the lower rolling sleeve are sequentially arranged from outside to inside between the inner side of the lower outer sleeve, a second adjusting mechanism sleeved on the upper end of the, the lower end of the lower rolling sleeve is positioned below the lower outer sleeve, at least two lower outer tooth groups are distributed in the inner side of the lower rolling sleeve at intervals up and down, each lower outer tooth group comprises at least three lower outer PDC teeth which are distributed at intervals along the circumference and are cylindrical, a lower inner tooth group corresponding to the lower outer tooth groups is arranged on the outer side of the lower inner sleeve, each lower inner tooth group comprises at least three lower inner PDC teeth which are distributed at intervals along the circumference and are cylindrical, the lower inner PDC teeth of two adjacent lower inner tooth groups are arranged in a staggered mode, the outer end face of each lower inner PDC tooth group is contacted with the inner end face of the corresponding lower outer PDC tooth group, the outer side of the lower rolling sleeve is fixedly connected with the inner side of the lower radial buffer sleeve in a vulcanization mode, the outer side of the lower radial buffer sleeve is fixedly connected with the inner side of the lower outer sleeve in a vulcanization mode, and a lower axial buffer sleeve is;

9. The downhole rotary steerable drill bit assembly according to claim 7, wherein the lower bearing assembly comprises a lower inner sleeve, a lower outer sleeve, a lower rolling sleeve, a lower radial cushion sleeve, a lower axial cushion sleeve, a lower outer tooth set and a lower inner tooth set, the lower inner sleeve is hermetically sealed on the outer side of the upper end of the lower joint, the lower outer sleeve is sleeved on the outer side of the upper end of the lower inner sleeve, the outer side of the upper portion of the lower outer sleeve is provided with a sixth outer ring table, at least two first adjusting washers which are stacked are arranged between the upper end of the sixth outer ring table and the lower end face of the non-rotating outer cylinder, the outer side of the sixth outer ring table is hermetically screwed with the inner side of the lower end of the non-rotating outer cylinder, the lower radial cushion sleeve and the lower rolling sleeve are sequentially arranged from outside to inside between the inner side of the lower outer sleeve and the outer side of the lower inner sleeve, a second adjusting mechanism, the lower end of the lower rolling sleeve is positioned below the lower outer sleeve, at least two lower outer tooth groups are distributed in the inner side of the lower rolling sleeve at intervals up and down, each lower outer tooth group comprises at least three lower outer PDC teeth which are distributed at intervals along the circumference and are cylindrical, a lower inner tooth group corresponding to the lower outer tooth groups is arranged on the outer side of the lower inner sleeve, each lower inner tooth group comprises at least three lower inner PDC teeth which are distributed at intervals along the circumference and are cylindrical, the lower inner PDC teeth of two adjacent lower inner tooth groups are arranged in a staggered mode, the outer end face of each lower inner PDC tooth group is contacted with the inner end face of the corresponding lower outer PDC tooth group, the outer side of the lower rolling sleeve is fixedly connected with the inner side of the lower radial buffer sleeve in a vulcanization mode, the outer side of the lower radial buffer sleeve is fixedly connected with the inner side of the lower outer sleeve in a vulcanization mode, and a lower axial buffer sleeve is;

10. The downhole rotary steerable drill bit assembly according to claim 6 or 9, wherein the first adjustment mechanism comprises a first compression ring and a first disc spring, the first compression ring is of a flange structure, the first compression ring is sleeved between the outer side of the lower end of the upper inner sleeve and the inner side of the lower end of the upper outer sleeve, the upper portion of the first disc spring is sleeved on the outer side of the lower end of the first compression ring, the upper end surface of the first disc spring abuts against the end surface of the first compression ring, and the lower end surface of the first disc spring abuts against the upper end surface of the flange; or/and the second adjusting mechanism comprises a second pressing ring and a second disc spring, the second pressing ring is of a flange structure, the second pressing ring is sleeved between the outer side of the upper end of the lower inner sleeve and the inner side of the upper end of the lower outer sleeve, the lower part of the second disc spring is sleeved on the outer side of the upper end of the second pressing ring, at least two second adjusting washers which are arranged in a stacked mode are sleeved on the inner side of the lower end of the non-rotating outer cylinder corresponding to the upper side position of the second disc spring, the upper end face of the second disc spring is abutted against the lower end face of the second adjusting washer positioned at the lowest position, and the lower end face of; or/and the rotating direction of the mandrel during working is the main rotating direction, the screwing direction of the fifth outer ring platform and the non-rotating outer barrel is the same as the main rotating direction, and the screwing direction of the sixth outer ring platform and the non-rotating outer barrel is opposite to the main rotating direction.