CN207598191U - A kind of offshore construction drilling system - Google Patents

Abstract

A kind of offshore construction drilling system of the utility model, the system include power head（1）Wind axis is matched in driving（3）, it is described to match wind axis（3）It is set with air distribution set outside（4）, multiple drilling rods（5）Vertical cascade forms drill rod assemblies, and drill rod assemblies are by matching wind axis（3）Driving is connected, positioned at the drilling rod of drill rod assemblies bottommost level-one（5）It is connected to transit joint（6）Top, the transit joint（6）Bottom via guide section（7）And coupling tunnel（8）With mixing coupling tunnel（9）It is connected；The power head（1）Pass through changeover portion（2）With with wind axis（3）Driving is connected；With wind axis（3）Air inlet straight tube（3.3）Across changeover portion（2）.A kind of offshore construction drilling system of the utility model, it is rational in infrastructure, easy to assembly, return slurry deslagging effect it is good.

Description

A kind of offshore construction drilling system

Technical field

The utility model is related to a kind of drilling systems, are applied in offshore wind farm construction drill technique more particularly, to one kind Drilling system, belong to offshore engineering equipment technical field.

Background technology

At present, in the wind power construction of ocean, bore operation is a very crucial link；It needs what is tunneled downwards Boring mud is carried by discharge in time by mud in the process, is otherwise stranded in the driving that the boring mud of duct bottom will hinder drill bit；Separately Outside, conventional drilling system also has following deficiency：

1st, high-pressure air hose is vertically imported by top, but due to restrained mechanical structure design, it is only can not to install more gas circuits Vertical air-duct, therefore can only be in a manner that a manifold imports high pressure gas；

2nd, the air hose that connects is worn in double-wall drill pipe using being fixedly connected with mode, due to being rigid connection, anti-twisting property It is poor, and for the drilling system of offshore engineering, hydraulic torque is very big, therefore easily occurs in the rotation process of drilling rod Air hose is broken with drilling rod top and bottom coupling part, leads to gas leakage, and the mixing for influencing mud and air is discharged；

3rd, conventional drilling rod uses wind regime, all the way pipeline at one, and pipeline configuration is simple all the way, but its corresponding multiple suction Closing in resistance is inconsistent, absorbability has difference, and local stoppages phenomenon easily occurs, so as to influence to return slurry deslagging effect.

Invention content

The purpose of this utility model is to overcome above-mentioned deficiency, provide it is a kind of it is rational in infrastructure, easy to assembly, return slurry deslagging effect The good offshore construction drilling system of fruit.

What the purpose of this utility model was realized in：

A kind of offshore construction drilling system, the system include the air distribution device of power head driving, the air distribution dress It puts by matching wind axis, being formed with windband, bearing and sealing ring etc., is loaded on and matched outside wind axis by bearing holder (housing, cover) with windband, the sealing ring It is placed in wind axis and between windband, vertically drill rod assemblies in series, power head drive drilling rod to multiple drilling rods through air distribution device Component rotates；Concretely, the drilling rod positioned at drill rod assemblies bottommost level-one is connected to the top of transit joint, and the transition connects The bottom of head is connected via guide section and coupling tunnel with mixing coupling tunnel；

A kind of offshore construction drilling system of the utility model, the power head is by changeover portion with driving phase with wind axis Even；Air inlet straight tube with wind axis passes through changeover portion.

A kind of offshore construction drilling system of the utility model, inserted with scum pipe one in the air distribution axis center axis hole, At least two air intake passages are horizontally arranged on the axial wall with wind axis, multiple rings are provided on the interior jacket wall with windband Shape slot, be provided on the overcoat wall with windband with the mutually one-to-one inlet suction port of annular groove, the quantity and air inlet of annular groove is logical Road mutually corresponds, and annular groove is connected respectively with air intake passage, the central shaft hole inner wall with wind axis and scum pipe one Air-intaking bent pipe is provided between outer wall, and the top air inlet of air-intaking bent pipe is connected with air intake passage, lower air outlet is vertical It wears and is connected on the bottom surface with wind axis, be vertically provided at least between one outer wall of central shaft hole inner wall and scum pipe with wind axis A piece air inlet straight tube.

A kind of offshore construction drilling system of the utility model, the drilling rod include outer barrel, the top of the outer barrel and Bottom is separately installed with upper flange and lower flange, and fixed disk and lower fixation are equipped in the upper flange and lower flange Disk is vertically worn between fixed disk and lower fixed disk and is connected to scum pipe two, and the scum pipe two is connected with scum pipe one, Multiple perforation are respectively arranged on fixed disk and lower fixed disk, is worn in perforation and is connected to in-line air hose, positioned at drill rod assemblies At the top of more in the drilling rod of top in-line air hoses respectively with the bottom of the air-intaking bent pipe with wind axis and the bottom of air inlet straight tube It is connected.

A kind of offshore construction drilling system of the utility model, the bottom surface of fixed disk and the upper bottom of lower fixed disk It is corresponding on face to be fixedly installed multiple slip outer barrels, it is inserted in and is slided in outer barrel at the top and bottom of above-mentioned array air hose；And Sealing ring is provided between the outer wall of in-line air hose and the inner wall for sliding outer barrel.

A kind of offshore construction drilling system of the utility model, the drilling rod positioned at drill rod assemblies top are consolidated by upper flange Surely it is connected to on wind axis, the upper small method of transit joint is fixedly attached to by lower flange positioned at the drilling rod of drill rod assemblies bottommost On blue disk.

A kind of offshore construction drilling system of the utility model, the transit joint include small flange plate and lower big method Blue disk, the upper open end for connecting cone cylinder are fixedly connected on small flange plate, and small openend is fixedly connected on lower large flange disk, It is worn between the upper small flange plate and lower large flange disk and is connected to more transition air hoses, the top of more transition air hoses is with being located at drilling rod More in-line air hoses in the drilling rod of component bottommost are corresponded and are connected, and connect and scum pipe three, row are provided in cone cylinder Slag branch pipe one connects Taper Pipe with deslagging, and the top of the scum pipe three is connected on small flange plate, and scum pipe three is with being located at Scum pipe two in the drilling rod of drill rod assemblies bottommost is connected, and the bottom of more deslagging branch pipes one is connected to lower large flange disk On, and collect at the top of more deslagging branch pipes one through deslagging connection Taper Pipe and be connected to scum pipe three.

A kind of offshore construction drilling system of the utility model, the top of the deslagging branch pipe one are connected to deslagging connection cone The big head section in bottom of pipe, the small head end in top of the deslagging connection Taper Pipe are connected to scum pipe three.

A kind of offshore construction drilling system of the utility model, the transition air hose are connected to mixing connection after passing through coupling tunnel The end air hose connect is worn in connect cylinder, more deslagging branch pipes one are connected to the deslagging branch mixed in coupling tunnel after being each passed through coupling tunnel Pipe two.

A kind of offshore construction drilling system of the utility model, the mixing coupling tunnel include upper flange plate and lower flange Disk is connected with polylith stiffener plate, is set between upper flange plate and lower flange between the upper flange plate and lower flange More deslagging branch pipes two top respectively with more one corresponding connections of deslagging branch pipe, be connected to more ends on upper flange plate End air hose is connected with transition air hose；It is set in the bottom outer wall of the deslagging branch pipe two into air-casing, the deslagging branch pipe two Bottom be provided with multiple air admission holes, be connected by the tube chamber in air admission hole deslagging branch pipe two with into the cavity in air-casing It is logical, it is described to be connected into air-casing with end air hose.

Compared with prior art, the beneficial effects of the utility model are：

The utility model has the following advantages effect：

1st, the matching design of distributing shaft in air distribution device and distribution set is utilized in the utility model so that air hose respectively via The side of distributing shaft and top import, so as to simply and easily increase individual gas sources, so as to install more independent wind Pipe；

2nd, the activity of the upper and lower ends of array air hose, which is inserted into, slides in outer barrel, therefore antitorque with sliding in operation process Effect, effectively avoid because rigid connection generate stress, prevent between air hose and drilling rod occur cracking gas leakage；

3rd, in the utility model, using more deslagging branch pipe independently workings, non-interference between each other, influence is mixing After uniformly it is another play reflux and be blended in a scum pipe discharge so that entire, to return pressure distribution in slurry tapping process equal Even, slurry deslagging effect is returned in raising.

Description of the drawings

Fig. 1 is a kind of structure diagram of offshore construction drilling system of the utility model.

Fig. 2 is to match wind axis and the knot with windband in a kind of air distribution device of offshore construction drilling system of the utility model Structure schematic diagram.

Fig. 3 is the sectional view with wind axis in a kind of offshore construction drilling system air distribution device of the utility model.

Fig. 4 is another visual angle with wind axis in a kind of air distribution device of offshore construction drilling system of the utility model Sectional view.

Fig. 5 is a kind of structure diagram of the drilling rod of offshore construction drilling system of the utility model.

Fig. 6 is a kind of partial enlarged view of Fig. 5 of offshore construction drilling system of the utility model.

Fig. 7 is a kind of structure diagram of the transit joint of offshore construction drilling system of the utility model.

Fig. 8 is a kind of structure diagram of the mixing coupling tunnel of offshore construction drilling system of the utility model.

Fig. 9 is a kind of A-A sectional views of Fig. 8 of offshore construction drilling system of the utility model.

Figure 10 is a kind of B-B sectional views of Fig. 9 of offshore construction drilling system of the utility model.

Wherein：

Power head 1, changeover portion 2, with wind axis 3, with windband 4, drilling rod 5, transit joint 6, guide section 7, coupling tunnel 8, mixing Coupling tunnel 9；

Air intake passage 3.1, air-intaking bent pipe 3.2, air inlet straight tube 3.3, scum pipe 1；

Outer barrel 5.1, upper flange 5.2, lower flange 5.3, upper fixed disk 5.4, lower fixed disk 5.5, perforation 5.6, in-line air hose 5.7th, outer barrel 5.8, sealing ring 5.9, scum pipe 2 5.10 are slided；

Connect cone cylinder 6.1, upper small flange plate 6.2, lower large flange disk 6.3, transition air hose 6.4, scum pipe 3 6.5, deslagging Branch pipe 1, deslagging connection Taper Pipe 6.7；

Upper flange plate 9.1, lower flange 9.2, deslagging branch pipe 2 9.3, end air hose 9.4, stiffener plate 9.5, into air-casing 9.6th, air admission hole 9.7.

Specific embodiment

Referring to Fig. 1 ~ 10, the utility model is related to a kind of offshore construction drilling system, the system includes dynamic The air distribution device of first 1 driving, the air distribution device are logical with windband 4 by matching wind axis 3, being formed with windband 4, bearing and sealing ring etc. It crosses bearing holder (housing, cover) to be loaded on outside wind axis 3, the sealing ring is placed in wind axis 3 and between windband 4, the vertical series connection structure of multiple drilling rods 5 Into drill rod assemblies, power head 1 is rotated through air distribution device driving drill rod assemblies；Concretely, positioned at drill rod assemblies bottommost level-one Drilling rod 5 be connected to the top of transit joint 6, the bottom of the transit joint 6 is via guide section 7 and coupling tunnel 8 with mixing connection Connect cylinder 9 is connected；Drill bit assembly is set with outside the mixing coupling tunnel 9；

Further, the power head 1 is connected by changeover portion 2 with the driving of wind axis 3；Air inlet straight tube 3.3 with wind axis 3 Across changeover portion 2；

Further, it is described in 3 central shaft hole of wind axis inserted with scum pipe 1, horizontal stroke on the axial wall with wind axis 3 To at least two air intake passages 3.1 are provided with, multiple annular grooves are provided on the interior jacket wall with windband 4, it is outer with windband 4 It is provided on jacket wall and is corresponded with the mutually one-to-one inlet suction port of annular groove, quantity and 3.1 phase of air intake passage of annular groove, And annular groove is connected respectively with air intake passage 3.1, the central shaft hole inner wall with wind axis 3 and one 3.4 outer wall of scum pipe it Between be provided with air-intaking bent pipe 3.2, and the top air inlet of air-intaking bent pipe 3.2 is connected with air intake passage 3.1, lower air outlet erects It is connected on the bottom surface with wind axis 3 to wearing, is vertically set between one 3.4 outer wall of central shaft hole inner wall and scum pipe with wind axis 3 It is equipped at least one air inlet straight tube 3.3；In use, high pressure gas is imported by matching the inlet suction port on 4 outer wall of windband, with wind axis 3 during rotation, and high pressure gas is entered by annular groove in corresponding air intake passage 3.1, then passes through air inlet Bend pipe 3.2 exports vertically downwards；And vertically arranged air inlet straight tube 3.3 directly imports high pressure gas via top rotational structure；

Further, the drilling rod 5 includes outer barrel 5.1, and the top and bottom of the outer barrel 5.1 are separately installed with method Orchid 5.2 and lower flange 5.3 is equipped with fixed disk 5.4 and lower fixed disk in the upper flange 5.2 and lower flange 5.3 5.5, vertically worn between fixed disk 5.4 and lower fixed disk 5.5 and be connected to scum pipe 2 5.10, the scum pipe 2 5.10 with Scum pipe 1 is connected, and multiple perforation 5.6, perforation 5.6 are respectively arranged on fixed disk 5.4 and lower fixed disk 5.5 Inside wear and be connected to in-line air hose 5.7, more in the drilling rod 5 of drill rod assemblies top in-line 5.7 tops of air hoses respectively with The bottom of the air-intaking bent pipe 3.2 of wind axis 3 is connected with the bottom of air inlet straight tube 3.3；

Preferably, correspondence is fixedly installed on the bottom surface of fixed disk 5.4 and the upper bottom surface of lower fixed disk 5.5 Multiple slip outer barrels 5.8, the top and bottom of above-mentioned array air hose 5.7, which are inserted in, to be slided in outer barrel 5.8；And in-line air hose 5.7 Outer wall and slide outer barrel 5.8 inner wall between be provided with sealing ring 5.9；So that in-line air hose 5.7 and upper fixed disk 5.4 Bottom surface and lower fixed disk 5.5 between be not rigid connection, avoid stress transfer, prevent cracking gas leakage；

Further, it is fixedly attached to positioned at the drilling rod 5 of drill rod assemblies top by upper flange 5.2 on wind axis 3, position It is fixedly attached on the upper small flange plate 6.2 of transit joint 6 by lower flange 5.3 in the drilling rod 5 of drill rod assemblies bottommost；

Further, the transit joint 6 includes small flange plate 6.2 and lower large flange disk 6.3, connects cone cylinder 6.1 Upper open end be fixedly connected on small flange plate 6.2, small openend is fixedly connected on lower large flange disk 6.3, it is described on It is worn between small flange plate 6.2 and lower large flange disk 6.3 and is connected to more transition air hoses 6.4, the top and position of more transition air hoses 6.4 It corresponds and is connected in more in-line air hoses 5.7 in the drilling rod 5 of drill rod assemblies bottommost, set in connection cone cylinder 6.1 There are scum pipe 3 6.5, deslagging branch pipe 1 to connect Taper Pipe 6.7 with deslagging, the top of the scum pipe 3 6.5 is connected to small On ring flange 6.2, and scum pipe 3 6.5 is connected with the scum pipe 2 5.10 in the drilling rod 5 of drill rod assemblies bottommost, more The bottom of root deslagging branch pipe 1 is connected on lower large flange disk 6.3, and more one 6.6 tops of deslagging branch pipe are connected through deslagging Taper Pipe 6.7, which collects, is connected to scum pipe 3 6.5；

That is the top of deslagging branch pipe 1 is connected to the big head section in bottom of deslagging connection Taper Pipe 6.7, the deslagging connection cone The small head end in top of pipe 6.7 is connected to scum pipe 3 6.5；

Further, the transition air hose 6.4 pass through coupling tunnel 8 after be connected to mixing coupling tunnel 9 in wear the end wind connect Pipe 9.4, more deslagging branch pipes 1 are connected to the deslagging branch pipe 2 9.3 mixed in coupling tunnel 9 after being each passed through coupling tunnel 8；

The mixing coupling tunnel 9 includes upper flange plate 9.1 and lower flange 9.2, the upper flange plate 9.1 and lower flange Polylith stiffener plate 9.5 is connected between disk 9.2, more deslagging branch being set between upper flange plate 9.1 and lower flange 9.2 The top of pipe 2 9.3 with more one 6.6 corresponding connections of deslagging branch pipe, is connected to more ends on upper flange plate 9.1 respectively Air hose 9.4 is connected with transition air hose 6.4；It is set in the bottom outer wall of the deslagging branch pipe 2 9.3 into air-casing 9.6, it is described The bottom of deslagging branch pipe 2 9.3 is provided with multiple air admission holes 9.7, passes through the tube chamber in 9.7 deslagging branch pipe 2 9.3 of air admission hole It is connected with into the cavity in air-casing 9.6, it is described to be connected into air-casing 9.6 with end air hose 9.4, so as to import high pressure admission warp It is mixed by entering in deslagging branch pipe 2 9.3 into air-casing 9.6 and air admission hole 9.7 with mud；

The drill process of the utility model is：

High pressure gas vertically imported into the bottom of drilling rod by more air hoses respectively, and every air hose is vertically arranged with one respectively Deslagging branch pipe be connected, the high pressure gas being passed through in deslagging branch pipe is discharged upwards after being mixed with the mud in pipe, and more Deslagging branch pipe is collected to unified discharge upwards after same scum pipe inside drilling rod；

In addition：It should be noted that above-mentioned specific embodiment is only a prioritization scheme of this patent, the skill of this field Any change or improvement that art personnel are done according to above-mentioned design, within the protection domain of this patent..

Claims (10)

1. a kind of offshore construction drilling system, it is characterised in that：The system includes power head（1）Wind axis is matched in driving （3）, it is described to match wind axis（3）It is set with air distribution set outside（4）, multiple drilling rods（5）Vertical cascade forms drill rod assemblies, drill rod assemblies by With wind axis（3）Driving is connected, positioned at the drilling rod of drill rod assemblies bottommost level-one（5）It is connected to transit joint（6）Top, it is described Transit joint（6）Bottom via guide section（7）And coupling tunnel（8）With mixing coupling tunnel（9）It is connected.

2. a kind of offshore construction drilling system as described in claim 1, it is characterised in that：The power head（1）Pass through transition Section（2）With with wind axis（3）Driving is connected；With wind axis（3）Air inlet straight tube（3.3）Across changeover portion（2）.

3. a kind of offshore construction drilling system as described in claim 1, it is characterised in that：It is described to match wind axis（3）Central shaft hole It is interior inserted with scum pipe one（3.4）, it is described to match wind axis（3）Axial wall on be horizontally arranged at least two air intake passages（3.1）, institute It states with windband（4）Interior jacket wall on be provided with multiple annular grooves, with windband（4）Overcoat wall on be provided with annular groove mutually one by one Corresponding inlet suction port, the quantity and air intake passage of annular groove（3.1）Mutually correspond, and annular groove respectively with air intake passage （3.1）It is connected, it is described to match wind axis（3）Central shaft hole inner wall and scum pipe one（3.4）Air-intaking bent pipe is provided between outer wall （3.2）, and air-intaking bent pipe（3.2）Top air inlet and air intake passage（3.1）It is connected, lower air outlet, which is vertically worn to be connected on, matches Wind axis（3）Bottom surface on, it is described match wind axis（3）Central shaft hole inner wall and scum pipe one（3.4）It is vertically provided between outer wall At least one air inlet straight tube（3.3）.

4. a kind of offshore construction drilling system as claimed in claim 3, it is characterised in that：The drilling rod（5）Include outer barrel （5.1）, the outer barrel（5.1）Top and bottom be separately installed with upper flange（5.2）And lower flange（5.3）, the upper flange （5.2）And lower flange（5.3）Inside it is equipped with fixed disk（5.4）And lower fixed disk（5.5）, fixed disk（5.4） And lower fixed disk（5.5）Between vertically wear and be connected to scum pipe two（5.10）, the scum pipe two（5.10）With scum pipe one（3.4） It is connected, fixed disk（5.4）And lower fixed disk（5.5）On be respectively arranged with multiple perforation（5.6）, perforation（5.6）It is interior It wears and is connected to in-line air hose（5.7）, positioned at the drilling rod of drill rod assemblies top（5）The in-line air hose of interior more（5.7）Distinguish at top With with wind axis（3）Air-intaking bent pipe（3.2）Bottom and air inlet straight tube（3.3）Bottom be connected.

5. a kind of offshore construction drilling system as claimed in claim 4, it is characterised in that：Fixed disk（5.4）Under Bottom surface and lower fixed disk（5.5）Upper bottom surface on correspondence be fixedly installed multiple slip outer barrels（5.8）, above-mentioned array air hose （5.7）Top and bottom be inserted in slip outer barrel（5.8）It is interior；And in-line air hose（5.7）Outer wall with slide outer barrel（5.8）'s Sealing ring is provided between inner wall（5.9）.

6. a kind of offshore construction drilling system as claimed in claim 4, it is characterised in that：Positioned at the brill of drill rod assemblies top Bar（5）Pass through upper flange（5.2）It is fixedly attached to wind axis（3）On, positioned at the drilling rod of drill rod assemblies bottommost（5）Pass through laxative remedy It is blue（5.3）It is fixedly attached to transit joint（6）Upper small flange plate（6.2）On.

7. a kind of offshore construction drilling system as claimed in claim 4, it is characterised in that：The transit joint（6）Include Upper small flange plate（6.2）With lower large flange disk（6.3）, connect cone cylinder（6.1）Upper open end be fixedly connected on small flange plate （6.2）On, small openend is fixedly connected on lower large flange disk（6.3）On, the upper small flange plate（6.2）With lower large flange disk （6.3）Between wear and be connected to more transition air hoses（6.4）, more transition air hoses（6.4）Top with positioned at drill rod assemblies bottommost Drilling rod（5）The in-line air hose of interior more（5.7）It corresponds and is connected, connect cone cylinder（6.1）Inside it is provided with scum pipe three （6.5）, deslagging branch pipe one（6.6）Taper Pipe is connected with deslagging（6.7）, the scum pipe three（6.5）Top be connected to small method Blue disk（6.2）On, and scum pipe three（6.5）With the drilling rod positioned at drill rod assemblies bottommost（5）Interior scum pipe two（5.10）Phase Connection, more deslagging branch pipes one（6.6）Bottom be connected to lower large flange disk（6.3）On, and more deslagging branch pipes one（6.6）Top Portion connects Taper Pipe through deslagging（6.7）Collect and be connected to scum pipe three（6.5）.

8. a kind of offshore construction drilling system as claimed in claim 7, it is characterised in that：The deslagging branch pipe one（6.6）'s Top is connected to deslagging connection Taper Pipe（6.7）The big head section in bottom, the deslagging connects Taper Pipe（6.7）Top small head end connection To scum pipe three（6.5）.

9. a kind of offshore construction drilling system as claimed in claim 7, it is characterised in that：The transition air hose（6.4）It passes through Coupling tunnel（8）After be connected to mixing coupling tunnel（9）Inside wear the end air hose connect（9.4）, more deslagging branch pipes one（6.6）It wears respectively Cross coupling tunnel（8）After be connected to mixing coupling tunnel（9）Interior deslagging branch pipe two（9.3）.

10. a kind of offshore construction drilling system as claimed in claim 4, it is characterised in that：The mixing coupling tunnel（9）Comprising There is upper flange plate（9.1）And lower flange（9.2）, the upper flange plate（9.1）And lower flange（9.2）Between be connected with polylith Stiffener plate（9.5）, it is set to upper flange plate（9.1）And lower flange（9.2）Between more deslagging branch pipes two（9.3）Top Portion respectively with more deslagging branch pipes one（6.6）Corresponding connection, is connected to upper flange plate（9.1）On more end air hoses （9.4）With transition air hose（6.4）It is connected；The deslagging branch pipe two（9.3）Bottom outer wall on be set with into air-casing（9.6）, The deslagging branch pipe two（9.3）Bottom be provided with multiple air admission holes（9.7）, pass through air admission hole（9.7）Cause deslagging branch pipe two （9.3）Interior tube chamber with into air-casing（9.6）Interior cavity is connected, described into air-casing（9.6）With end air hose（9.4）It is connected It is logical.