CN207377518U - Planetary gas drilling manifold steering mechanism - Google Patents

Abstract

The utility model discloses a kind of planetary gas drilling manifold steering mechanism, including stepless angle shift mechanism and universal angle micro-adjusting mechanism, stepless angle shift mechanism includes fixed pipe nipple, Fastener, screw set, hang flange and rotating short-knot, rotating short-knot upper end coordinates with fixed pipe nipple grafting and sealing, lower end is provided with the outlet connecting pin of prefabricated fixed angle, suspension flange is set on rotating short-knot, Fastener is located between fixed pipe nipple lower face and suspension flange, rotating short-knot is suspended on Fastener, roller bearing is provided in annular space between Fastener and suspension flange, roller bearing is provided between Fastener and fixed pipe nipple lower face, universal angle micro-adjusting mechanism is fixedly connected with the outlet connecting pin of rotating short-knot.The utility model can adjust sediment outflow pipeline trend, quickly connect out outside well site sediment outflow pipeline, the workload and working strength of staff is greatly lowered.

Description

Planetary gas drilling manifold steering mechanism

Technical field

The utility model is related to arrive gas drilling manifold, a kind of planetary gas drilling manifold steering mechanism is particularly, Belong to oil/gas drilling（Probing）Field of engineering technology.

Background technology

Gas drilling is a kind of using gas as the drilling mode for cycling and taking sand medium, with conventional drilling liquid drilling well phase Than gas drilling bottom pressure is far below shaft bottom head of liquid, and negative pressure is remained in drilling process, realizes underbalance brill Well.The new technology that gas drilling developed and grows up at home as the 1980s forms dry gas drilling well（Air, Nitrogen）, four big agent technology of air-mist drilling, foam drilling and air-filling well-drilling, have improve rate of penetration, administer severe well leakage, It was found that the and protection advantages such as reservoir.In recent years, each oil gas field is widely applied at home, and obtains applications well effect.

According to《Air drilling specification first portion：Air drilling, nitrogen injection drilling, Air Mist Drilling, nitrogen mist Change drilling well, air foam well-drilling》Regulation：Sediment outflow pipeline uses flanged joint in well site, preferably straight to connect out outside well site.But Often because field condition limits（It is put including rig substructure structure and ground installation）, it is necessary to sediment outflow pipe is adjusted using bend pipe Line moves towards, and only in this way can just pick out outside well site.Since the bending angle of existing bend pipe is changeless, however it is big absolutely When most, the installation of live sediment outflow pipeline all have no idea it is stringent, accurately arranged according to the direction of fixed angle bend pipe.Gu The angle of itself can not arbitrarily be adjusted according to on-site actual situations by determining the bend pipe of angle.Therefore, during sediment outflow pipeline is installed, Through frequently with tentative connection method, often mounting and dismounting repeatedly, until adjusting the trend of sediment outflow pipeline.In addition Sediment outflow pipeline weight is very big, pipeline is caused to install inconvenient.This not only considerably increases the installation exercise time, increases The workload and working strength of staff, also improves operating personnel's cost and crane cost of use or even can cause to bore Machine etc. stops, and extends the serious consequence of drilling period.

In the prior art, suitable for the sediment outflow pipeline of gas drilling, publication number 201412067, publication date 2 months 2010 24 Day, a kind of clamping hoop type sediment outflow pipeline connection mode is described, this is also that current gas drilling field sediment outflow pipeline uniquely connects Mode.The invention is a kind of connection mode, and pipe string angle and trend can not be arbitrarily adjusted in installation process, is still and adopts It with tentative connection method, often mounts and dismounts repeatedly, working strength and activity duration are all very high.

In addition, gas drilling, in safe sediment outflow manifold, publication number 203188949, publication date 2013.09.11 is described A kind of device of sediment outflow pipeline pressure release（Rupture disk）, suppressed when pipeline internal pressure and be raised to certain value, rupture disk opens pressure release to reach To the purpose for ensureing pipeline safety.But the described pipeline of the invention is still conventional line, can not in installation process with Meaning adjustment pipe string angle and trend, is still using tentative connection method, often mounts and dismounts repeatedly, working strength and Activity duration is all very high.

The content of the invention

The purpose of the utility model is to overcome the above problems existing in the prior art, provide a kind of planetary gas drilling Manifold steering mechanism.The utility model can light, convenient, optionally adjust sediment outflow pipeline trend, quickly by sediment outflow pipeline It connects out outside well site, avoids mounting and dismounting repeatedly, the workload and working strength of staff is greatly lowered, shorten installation It saves operating personnel's cost and crane cost of use duty cycle, avoids the occurrence of after drilling machine etc. stops, extends drilling period etc. seriously Fruit.

To achieve the above object, the technical solution adopted in the utility model is as follows：

A kind of planetary gas drilling manifold steering mechanism, it is characterised in that：Including stepless angle shift mechanism and universal angle Micro-adjusting mechanism is spent, stepless angle shift mechanism includes fixed pipe nipple, Fastener, screw set, suspension flange and rotating short-knot, and rotation is short It saves upper end with fixed pipe nipple grafting and sealing to coordinate, lower end is provided with the outlet connecting pin of prefabricated fixed angle, hangs flange sleeve It being located on rotating short-knot, Fastener is located between fixed pipe nipple lower face and suspension flange, and rotating short-knot is suspended on Fastener, Suspension flange is fixedly connected with fixed pipe nipple lower end by screw set, is set in the annular space between Fastener and suspension flange Roller bearing is equipped with, roller bearing is provided between Fastener and fixed pipe nipple lower face；Universal angle micro-adjusting mechanism and rotation The outlet connecting pin of pipe nipple is fixedly connected, universal angle micro-adjusting mechanism include fixed bulb pipe nipple, flexural pivot flange, bolt kit and Universal rotary pipe nipple, the Universal rotary pipe nipple and flexural pivot flange are connected to by bolt kit on fixed bulb pipe nipple, connection Universal rotary pipe nipple and flexural pivot flange can surround the spherical rotary of fixed bulb pipe nipple, and Universal rotary pipe nipple and flexural pivot method afterwards Lan Junyu fixes the sealing cooperation of bulb pipe nipple.

Step is provided in the Universal rotary pipe nipple and to the inclined inclined surface in Universal rotary pipe nipple inner cavity, Universal rotary The surfaces of revolution of pipe nipple forms sand control by step transition to inclined surface, the mating spherical surfaces of step, inclined surface and fixed bulb pipe nipple Structure.

The Universal rotary pipe nipple and flexural pivot flange are matched somebody with somebody by " O " the type sealing ring and fixed bulb pipe nipple sealing of setting It closes.

The Fastener includes two semicircle cards, and two semicircle cards are connected by screw, and card slot is provided on rotating short-knot, Semicircle card is connected in card slot and rotating short-knot clearance fit.

The roller bearing set in annular space between the Fastener and suspension flange is self-aligning thrust roller bearing； The roller bearing set between Fastener and fixed pipe nipple lower face is cylindrical roller thrust bearing.

After the suspension flange is fixedly connected with fixed pipe nipple lower end by screw set, suspension flange, thrust force aligning rolling Sub- bearing, semicircle card, cylindrical roller thrust bearing are contacted with fixed pipe nipple lower face for axial end face.

It is clearance fit between the self-aligning thrust roller bearing and cylindrical roller thrust bearing and rotating short-knot.

The fixed pipe nipple upper end is connected with sediment outflow pipeline, and lower end coordinates with the grafting of rotating short-knot upper end and sealing.

The rotating short-knot is provided with multiple tracks " O " type sealing ring, rotating short-knot and fixed pipe nipple with fixed pipe nipple splicing position It is sealed and coordinated by multiple tracks " O " type sealing ring.

Dust-proof nylon circle, thrust force aligning Roller Shaft are additionally provided in annular space between the Fastener and suspension flange It holds and is arranged in dust-proof nylon circle；Dust-proof nylon circle, thrust cylindrical rolling are additionally provided between Fastener and fixed pipe nipple lower face Sub- bearing is arranged in dust-proof nylon circle.

The dust-proof nylon circle is axially provided with the activity space of 4-6mm along rotating short-knot.

Multiple manual rotation holes are provided on the rotating short-knot.

When the prefabricated fixed angle of the rotating short-knot is 90 °, rotating short-knot upper end is matched somebody with somebody with fixed pipe nipple grafting and sealing It closes, lower end is closed by blind plate, and blind plate is fixed on rotating short-knot lower end by flange bolt external member, and outlet connecting pin is located at blind plate Top.

Using the utility model has the advantage of：

1st, the utility model is simple in structure, parts are few and easy to process.

2nd, installed using the utility model, is easy to operate, can matched with existing a whole set of sediment outflow pipeline.

3rd, 360 ° of radial direction stepless transformation at any angle can be realized using the stepless angle shift mechanism in the utility model（I.e. The step-less adjustment that 360 ° of radial orientation angle）.

4th, the primary pivot resistance inside the utility model is rolling friction, and rolling friction is small compared with static friction, sliding friction Very much, therefore, the utility model can rapidly and easily adjust sediment outflow according to field condition and the antenna height of sediment outflow pipeline The trend of pipeline, it is entirely avoided mount and dismount this process repeatedly, substantially reduce the installation exercise cycle, alleviate work Intensity, while also save installation cost.

5th, in the utility model universal angle micro-adjusting mechanism there is dustproof construction, can effectively avoid sand dust in environment and enter machine Inside structure, while it can also avoid the problem that sand dust accumulation causes mechanism that can not rotate inside pipeline.

6th, the utility model is mainly used in gas drilling sediment outflow manifold, has very high internal pressure strength, can ensure The security of gas drilling operation, meanwhile, which can be used for the connection of supply manifold by adjusting design parameter afterwards, It can even be extended in the middle of the hard manifold system in other fields.

7th, using the utility model, pipeline trend and angle can arbitrarily, be accurately adjusted according to on-site actual situations, significantly The installation exercise time is reduced, reduces the workload and working strength of staff, operating personnel's cost can be cut down and crane uses Expense avoids that drilling machine etc. is caused to stop, and extends the serious problems such as drilling period.

8th, the universal angle micro-adjusting mechanism in the utility model it is stepless can to do a degree of angle with rotation in axial direction Adjustment（Can be understood as inclination angle herein, adjusting range can design, such as -10 ° ~ 10 ° or -35 ° ~ 35 °）.

9th, the utility model is related to gas drilling pipeline it is universal adjustment pipe nipple theory can bear 20 tons of impact forces.

Description of the drawings

Fig. 1 is the utility model schematic cross-sectional view；

Fig. 2 is the I portions enlarged diagram in Fig. 1；

Fig. 3 is two semicircle card assembling schematic diagrams in the utility model；

Fig. 4 is the utility model main structure diagram.

In figure mark for：1st, fixed pipe nipple, 2, " O " type sealing ring, 3, semicircle card, 4, screw set, 5, suspension flange, 6, Rotating short-knot, 7, flange bolt external member, 8, blind plate, 9, flange, 10, fixed bulb pipe nipple, 11, flexural pivot flange, 12, bolt sleeve Part, 13, Universal rotary pipe nipple, 14, sand control structure, 15, self-aligning thrust roller bearing, 16, dust-proof nylon circle a, 17, dust-proof nylon Enclose b, 18, cylindrical roller thrust bearing, 19, screw, 20, activity space, 21, rotating hole.

Specific embodiment

Embodiment 1

A kind of planetary gas drilling manifold steering mechanism, including stepless angle shift mechanism and universal angle micro-adjusting mechanism, Stepless angle shift mechanism includes fixed pipe nipple 1, Fastener, screw set 4, suspension flange 5 and rotating short-knot 6,6 upper end of rotating short-knot Coordinate with fixed 1 grafting of pipe nipple and sealing, lower end is provided with the outlet connecting pin of prefabricated fixed angle, and suspension flange 5 is set in On rotating short-knot 6, Fastener is located between fixed 1 lower face of pipe nipple and suspension flange 5, and rotating short-knot 6 is suspended on Fastener, Suspension flange 5 is fixedly connected with fixed 1 lower end of pipe nipple by screw set 4, the annular space between Fastener and suspension flange 5 Roller bearing is inside provided with, roller bearing is provided between Fastener and fixed 1 lower face of pipe nipple；Universal angle micro-adjusting mechanism with The outlet connecting pin of rotating short-knot 6 is fixedly connected, universal angle micro-adjusting mechanism include fixed bulb pipe nipple 10, flexural pivot flange 11, Bolt kit 12 and Universal rotary pipe nipple 13, the Universal rotary pipe nipple 13 and flexural pivot flange 11 are connected to by bolt kit 12 On fixed bulb pipe nipple 10, Universal rotary pipe nipple 13 and flexural pivot flange 11 can surround the spherical surface of fixed bulb pipe nipple 10 after connection Rotation, and Universal rotary pipe nipple 13 and flexural pivot flange 11 coordinate with the fixed sealing of bulb pipe nipple 10.

In the present embodiment, step and inclined to 13 inner cavity of Universal rotary pipe nipple is provided in the Universal rotary pipe nipple 13 Inclined surface, the surfaces of revolution of Universal rotary pipe nipple 13 pass through step transition to inclined surface, step, inclined surface and fixed bulb pipe nipple 10 Mating spherical surfaces form sand control structure 14.

In the present embodiment, the Universal rotary pipe nipple 13 and flexural pivot flange 11 pass through setting " O " types sealing ring 2 with it is solid Determine the sealing cooperation of bulb pipe nipple 10.

In the present embodiment, the Fastener includes two semicircle cards 3, and two semicircle cards 3 are connected by screw 19, and rotation is short Card slot is provided on section 6, semicircle card 3 is connected in card slot and 6 clearance fit of rotating short-knot.

The roller bearing set in annular space between the Fastener and suspension flange 5 is self-aligning thrust roller bearing 15；The roller bearing set between Fastener and fixed 1 lower face of pipe nipple is cylindrical roller thrust bearing 18.

In the present embodiment, after the suspension flange 5 is fixedly connected with fixed 1 lower end of pipe nipple by screw set 4, suspension method Orchid 5, self-aligning thrust roller bearing 15, semicircle card 3, cylindrical roller thrust bearing 18 and fixed 1 lower face of pipe nipple are axial end face Contact.

In the present embodiment, between the self-aligning thrust roller bearing 15 and cylindrical roller thrust bearing 18 and rotating short-knot 6 For clearance fit.

In the present embodiment, fixed 1 upper end of pipe nipple is connected with sediment outflow pipeline, lower end and 6 upper end grafting of rotating short-knot and Sealing cooperation.

In the present embodiment, the rotating short-knot 6 is provided with multiple tracks with fixed 1 splicing position of pipe nipple " O " types sealing ring 2, rotation Pipe nipple 6 passes through multiple tracks with fixed pipe nipple 1 " the sealing cooperation of O " types sealing ring 2.

In the present embodiment, dust-proof nylon circle is additionally provided in the annular space between the Fastener and suspension flange 5, is pushed away Power self-aligning roller bearing 15 is arranged in dust-proof nylon circle；Dust-proof Buddhist nun is additionally provided between Fastener and fixed 1 lower face of pipe nipple Long Quan, cylindrical roller thrust bearing 18 are arranged in dust-proof nylon circle.

In the present embodiment, the dust-proof nylon circle is axially provided with the activity space 20 of 4-6mm along rotating short-knot 6.

In the present embodiment, multiple manual rotation holes 21 are provided on the rotating short-knot 6.

In the present embodiment, when the prefabricated fixed angle of the rotating short-knot 6 is 90 °, 6 upper end of rotating short-knot and fixed pipe nipple 1 grafting and sealing cooperation, lower end closed by blind plate 8, and blind plate 8 is fixed on 6 lower end of rotating short-knot by flange bolt external member 7, Outlet connecting pin is located at 8 top of blind plate.

Embodiment 2

The present embodiment combination attached drawing is described further the utility model.The utility model can be used for dry gas drilling well （Air, nitrogen）, air-mist drilling, in the gas drillings technique such as foam drilling and air-filling well-drilling and other field manifold systems.

The utility model is related to a kind of planetary gas drilling manifold with stepless angle shift mechanism include radially 360 ° it is stepless Two parts of angle shift mechanism A and universal angle micro-adjusting mechanism B.

Radially 360 ° of stepless angle shift mechanism A, comprising fixed pipe nipple 1, " O " type sealing ring 2, semicircle card 3, long bolt external member 4, Hang flange 5, rotating short-knot 6, flange bolt external member 7, blind plate 8, self-aligning thrust roller bearing 15, dust-proof nylon circle a16, dust-proof Nylon ring b17, cylindrical roller thrust bearing 18.Long bolt external member 4 includes screw rod, nut, spring washer.Flange bolt external member 7 Including bolt, nut, spring washer.

Universal angle micro-adjusting mechanism B includes fixed bulb pipe nipple 10, flexural pivot flange 11, stay bolt external member 12（Containing bolt, Nut, spring washer）, Universal rotary pipe nipple 13, " O " type sealing ring 2.Radially 360 ° of stepless angle shift mechanism A and universal angle are micro- Connection is realized with flange 9, can also be connected with the mode of clip between regulating mechanism B.

Radially 360 ° of stepless angle shift mechanism A are the core of the planetary stepless angle shift mechanism of gas drilling manifold, Upstream position in universal angle micro-adjusting mechanism B.Fixed pipe nipple 1 is fixed on upstream row sandpipe line.Rotating short-knot 6 is with fixing Belong to grafting relation between pipe nipple 1, the two realizes radial seal by three " O " type sealing rings 2.It is drawn by long bolt external member 4 Tight suspension flange 5, so as to which semicircle card 3, self-aligning thrust roller bearing 15, cylindrical roller thrust bearing 18 and fixed pipe nipple 1 be pressed Tightly.Flange 5, semicircle card 3, self-aligning thrust roller bearing 15, cylindrical roller thrust bearing 18 are hung with fixed pipe nipple 1 as in axial direction End contact constrains between each other without other.Rotating short-knot 6 is suspended on semicircle card 3.Semicircle card 3 is gap with rotating short-knot 6 Cooperation, is tightly combined.The outer diameter that 5 internal diameter of flange is more than 6 corresponding position of hanging pup joint is hung, there are 5mm or so therebetween Gap, be mutually not in contact with each other.Self-aligning thrust roller bearing 15 and cylindrical roller thrust bearing 18, between the two and rotating short-knot 6 For clearance fit, convenient for assembling.

Rotating short-knot 6 drives Fastener to rotate when rotating, and Fastener drives self-aligning thrust roller bearing 15 and thrust circle Column roller bearing 18 rotates.Multilayer is used between rotating short-knot 6 and fixed pipe nipple 1（Usually 3 layers）" O " type sealing ring 2 implements footpath To sealing, coating butter substantially reduces the static friction that rotating short-knot 6 is generated when rotating if lubrication in the two gap.Rotation Pipe nipple 6 is in rotary course, and except having a little stiction with the place of fixed 1 grafting of pipe nipple, remaining is aligning roller axis Hold the rolling friction of 15 and the generation of cylindrical roller thrust bearing 18.Since rolling friction is far smaller than stiction, therefore rotate short Section 6 can in the range of 360 ° easily, rapidly adjust the angle.

Dust-proof nylon circle a16 is sleeved on 15 outside of self-aligning roller bearing, and dust-proof nylon circle b17 is sleeved on cylindrical roller thrust bearing 18 outsides, in order to prevent the impurity of external environment from entering in self-aligning roller bearing 15 and cylindrical roller thrust bearing 18 Portion causes two bearings that can not rotate.Dust-proof nylon circle a16 is located in the groove between semicircle card 3 and suspension flange 5, and anti- Dirt nylon ring a16 has 5mm or so activity spaces 20 in the axial direction, can avoid generating stiction and giving radial direction 360 ° of stepless angles Mechanism A rotations cause resistance.Dust-proof nylon circle b17 is located in the groove between semicircle card 3 and fixed pipe nipple 1, and dust-proof nylon Circle b17 also has 5mm or so activity spaces 20 in the axial direction, and purpose is also to avoid generating stiction when rotating.

There are the gap of 2mm or so in two end faces of rotating short-knot 6 and 1 splicing position of fixed pipe nipple.Fastener is by two semicircles 3 composition of card, is fastened therebetween by screw 19, avoids radially 360 ° of stepless angle shift mechanism A generations both when rotating opposite Displacement even comes off.6 rotating holes 21 are provided on rotating short-knot 6, when manpower can not rotate the mechanism, reinforcing thick stick can be inserted Enter wherein, increase the arm of force, improve rotation torque.Rotating short-knot 6 is prefabricated fixed angle pipe nipple, can be 90 °, can also It is other angles.Other pipe nipples or pipeline can be connected at blind plate 8.

Universal angle micro-adjusting mechanism B belongs to the slave part of the planetary stepless angle shift mechanism of gas drilling manifold. Radially 360 ° of stepless angle shift mechanism A are for adjusting the azimuth in the range of 360 °, and universal angle micro-adjusting mechanism B is then to orientation Angle, inclination angle are adjusted.Universal rotary pipe nipple 13 and flexural pivot flange 11 are tensed by stay bolt external member 12.Universal rotary pipe nipple 13 The spherical surface that fixed bulb pipe nipple 10 can be surrounded with flexural pivot flange 11 is rotated, and rotation angle is related according to spherical surface size.It is universal Angle fine-adjustment mechanism B has directionality, and for fixed bulb pipe nipple 10 in upstream position, Universal rotary pipe nipple 13 is in downstream bits It puts.Universal angle micro-adjusting mechanism B possesses sand control structure 14 tiny at one, particularly significant.When Universal rotary pipe nipple 13 is with fixing There is impurity between 10 spherical surface of bulb pipe nipple（Landwaste, sand etc.）During blocking, which can be by rotating Universal rotary The mode for turning pipe nipple 13 strikes off impurity.Respectively there is a road sealing groove inside Universal rotary pipe nipple 13 and flexural pivot flange 11 for pacifying Put " O " type sealing ring 2, when installation needs coating butter herein.

The utility model can assemble in two steps, and first 360 ° of stepless angle shift mechanism A of assembling radial direction, it is micro- to reassemble universal angle Regulating mechanism B, then by radially 360 ° of stepless angle shift mechanism A and universal angle micro-adjusting mechanism B by way of flange or clip It connects.Assembling radially 360 ° of stepless angle shift mechanism A when, should successively will hang flange 5, self-aligning thrust roller bearing 15, In dust-proof nylon circle a16, semicircle card 3, cylindrical roller thrust bearing 18 and dust-proof nylon circle b17 injection rotating short-knot 6, then press Upper fixed pipe nipple 1 finally penetrates long bolt external member 4 and tenses.In the process, it is necessary to self-aligning thrust roller bearing 15, push away Enough butter are smeared in place at power cylinder roller bearing 18 and " O " type sealing ring 2 three.Assemble universal angle micro-adjusting mechanism B When, directly flexural pivot flange 11 and Universal rotary pipe nipple 13 by stay bolt external member 12 are tensed, pay attention to giving " O " type sealing ring 2 smear enough butter.

If the utility model is used in sediment outflow pipeline, arrival end and the port of export can be flanged joint or card Hoop connection, specific connection mode are determined by adjacent lines connection mode.Meanwhile fixed pipe nipple 1, semicircle card 3, suspension flange 5, rotation Turn pipe nipple 6, blind plate 8, fixed bulb pipe nipple 10, flexural pivot flange 11 and Universal rotary pipe nipple 13 and use grade of steel as J55's and N80 Shell material is made（Meet API standard）.

Rotating short-knot 6 can make 360 ° of rotations around the axis of fixed pipe nipple 1, realize azimuthal stepless transformation.Universal rotary Universal rotational can be made around the spherical surface of fixed bulb pipe nipple 10 by turning pipe nipple 13.After being adjusted in place when the azimuth of rotating short-knot 6, Azimuth, the inclination angle of downstream line can be finely adjusted by Universal rotary pipe nipple 13.Universal rotary pipe nipple 13 can be around fixation The spherical rotary of bulb pipe nipple 10, rotation angle can be from -10 ° to 10 °, can also be from -35 ° to 35 °.Rotation angle range can The needs for meeting practical application so that different situations to be directed to be designed.Radially 360 ° of stepless angle shift mechanism A and universal angle Micro-adjusting mechanism B collective effects realize pipeline trend（Azimuth, inclination angle）Step-less adjustment.

Claims (10)

1. a kind of planetary gas drilling manifold steering mechanism, it is characterised in that：Including stepless angle shift mechanism and universal angle Micro-adjusting mechanism, stepless angle shift mechanism include fixed pipe nipple（1）, Fastener, screw set（4）, suspension flange（5）And rotating short-knot （6）, rotating short-knot（6）Upper end and fixed pipe nipple（1）Grafting and sealing cooperation, the outlet that lower end is provided with prefabricated fixed angle connect End is connect, hangs flange（5）It is set in rotating short-knot（6）On, Fastener is located at fixed pipe nipple（1）Lower face and suspension flange（5） Between, rotating short-knot（6）It is suspended on Fastener, hangs flange（5）With fixed pipe nipple（1）Lower end passes through screw set（4）Gu Fixed connection, Fastener and suspension flange（5）Between annular space in be provided with roller bearing, Fastener and fixed pipe nipple（1） Roller bearing is provided between lower face；Universal angle micro-adjusting mechanism and rotating short-knot（6）Outlet connecting pin be fixedly connected, ten thousand Include fixed bulb pipe nipple to angle fine-adjustment mechanism（10）, flexural pivot flange（11）, bolt kit and Universal rotary pipe nipple（13）, institute State Universal rotary pipe nipple（13）With flexural pivot flange（11）Fixed bulb pipe nipple is connected to by bolt kit（10）On, ten thousand after connection To rotating short-knot（13）With flexural pivot flange（11）Fixed bulb pipe nipple can be surrounded（10）Spherical rotary, and Universal rotary pipe nipple （13）With flexural pivot flange（11）With fixing bulb pipe nipple（10）Sealing cooperation.

2. planetary gas drilling manifold steering mechanism according to claim 1, it is characterised in that：The Universal rotary Pipe nipple（13）Inside it is provided with step and to Universal rotary pipe nipple（13）The inclined inclined surface in inner cavity, Universal rotary pipe nipple（13）Rotation Turn face and pass through step transition to inclined surface, step, inclined surface and fixed bulb pipe nipple（10）Mating spherical surfaces formed sand control structure （14）.

3. planetary gas drilling manifold steering mechanism according to claim 2, it is characterised in that：The Universal rotary Pipe nipple（13）With flexural pivot flange（11）Pass through " O " type sealing ring of setting（2）With fixed bulb pipe nipple（10）Sealing cooperation.

4. planetary gas drilling manifold steering mechanism according to claim 3, it is characterised in that：The Fastener bag Include two semicircle cards（3）, two semicircle cards（3）Pass through screw（19）Connection, rotating short-knot（6）On be provided with card slot, semicircle card （3）It is connected in card slot and rotating short-knot（6）Clearance fit.

5. planetary gas drilling manifold steering mechanism according to claim 4, it is characterised in that：The Fastener with Hang flange（5）Between annular space in set roller bearing be self-aligning thrust roller bearing（15）；Fastener and fixation Pipe nipple（1）The roller bearing set between lower face is cylindrical roller thrust bearing（18）.

6. planetary gas drilling manifold steering mechanism according to claim 5, it is characterised in that：The suspension flange （5）With fixed pipe nipple（1）Lower end passes through screw set（4）After being fixedly connected, flange is hung（5）, self-aligning thrust roller bearing （15）, semicircle card（3）, cylindrical roller thrust bearing（18）With fixed pipe nipple（1）Lower face contacts for axial end face.

7. planetary gas drilling manifold steering mechanism according to claim 6, it is characterised in that：The thrust force aligning Roller bearing（15）And cylindrical roller thrust bearing（18）With rotating short-knot（6）Between be clearance fit.

8. planetary gas drilling manifold steering mechanism according to claim 7, it is characterised in that：The fixed pipe nipple （1）Upper end is connected with sediment outflow pipeline, lower end and rotating short-knot（6）Upper end grafting and sealing cooperation.

9. planetary gas drilling manifold steering mechanism according to claim 8, it is characterised in that：The Fastener with Hang flange（5）Between annular space in be additionally provided with dust-proof nylon circle, self-aligning thrust roller bearing（15）It is arranged on dust-proof In nylon ring；Fastener and fixed pipe nipple（1）Dust-proof nylon circle, cylindrical roller thrust bearing are additionally provided between lower face（18） It is arranged in dust-proof nylon circle.

10. planetary gas drilling manifold steering mechanism according to claim 9, it is characterised in that：The dust-proof Buddhist nun Long Quan is along rotating short-knot（6）Axially it is provided with the activity space of 4-6mm（20）.