CN107598273A - Device and method is cut under the mud removed with Yu Haiyang abandoned well platform pipe - Google Patents
Device and method is cut under the mud removed with Yu Haiyang abandoned well platform pipe Download PDFInfo
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- CN107598273A CN107598273A CN201710801974.3A CN201710801974A CN107598273A CN 107598273 A CN107598273 A CN 107598273A CN 201710801974 A CN201710801974 A CN 201710801974A CN 107598273 A CN107598273 A CN 107598273A
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- guide rail
- locking
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 108
- 230000007246 mechanism Effects 0.000 claims abstract description 100
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 239000011324 bead Substances 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 2
- 235000011613 Pinus brutia Nutrition 0.000 claims 2
- 241000018646 Pinus brutia Species 0.000 claims 2
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003653 coastal water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses cut device and method under a kind of mud removed with Yu Haiyang abandoned well platform pipe; the device includes protective cover, cutting feed mechanism, golden steel chain cutting mechanism, retaining mechanism, mounting bracket; protective cover is arranged on outside steel pipe to be cut, inwall installation heave guide rail；Cut feed mechanism, golden steel chain cutting mechanism is arranged on mounting bracket；Alignment pin is installed in mounting bracket bottom, and positioning hole is set on retaining mechanism；Retaining mechanism slides along heave guide rail, after sinking down into designated depth along steel pipe to be cut, starts positional cylinder, holds steel pipe to be cut tightly；Again along heave guide rail decentralization mounting bracket, alignment pin insertion positioning hole, mounting bracket is fixed on retaining mechanism by locking cylinder；Start feed mechanism and golden steel chain is adjacent to steel pipe to be cut, start hydraulic power supply, start to cut, cutting speed and depth are controlled by feed mechanism in cutting.Abandoned well platform pipe is safely, quickly and effectively cut and disassembled in the present invention, while has the characteristics of economic, environmentally friendly.
Description
Technical field
The present invention relates to cutting field is removed under offshore well platform pipe mud, more particularly relate to Yu Haiyang abandoned oil
Cut device and method under the mud that well platform pipe is removed, under offshore well platform pipe mud during cutting operation, under water or
The device of pipe cutting under mud.
Background technology
At present, as the long-term acquisition of China coastal seas oil gas field resource, Offshore Oil gas field resource increasingly depleted are substantial amounts of useless
Abandoning Oil/Gas Pipe and protection stake needs to remove.To ensure coastal waters channel safe and environmental protection, it is desirable to discarded production platform support tube
Stake is cut and disassembled in water below natural mud face no less than 4m positions, and can not produce spark during cutting.According to requirements above, when
After the scope of operation reaches designated depth, common practices is the method using diver's hydraulic grinding wheel, but in the presence of time-consuming, risk
Greatly, high cost situation, just used typically when speedily carrying out rescue work.Due to can not find suitable method, the overwhelming majority is useless now
Abandon Oil/Gas Pipe and protection stake fail to be cut and disassembled, exist maintenance cost is big, risk is high, COASTAL SURFACE using it is insufficient situations such as.
The content of the invention
The technical problem to be solved in the invention is, for defect present in background technology, there is provided one kind Yu Haiyang
Device and method is cut under the mud that abandoned well platform pipe is removed, the present invention is efficient, economic, environmentally friendly, safety, can be cut and disassembled
The discarded steel pipe of designated depth under underwater or mud.
To achieve the above object, the present invention is realized according to following technical scheme：
Cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe, it is characterised in that including protective cover, cut
Feed mechanism, golden steel chain cutting mechanism, retaining mechanism, mounting bracket are cut, the protective cover is arranged on outside steel pipe to be cut, the guarantor
Heave guide rail is installed on the inside of shield；The retaining mechanism is provided with positioning hole；The cutting feed mechanism and the golden steel chain
Cutting mechanism is arranged on the mounting bracket, and the mounting bracket bottom sets alignment pin, and locking machine is inserted by the alignment pin
Positioning hole on structure realizes the relative positioning with retaining mechanism；The retaining mechanism is with the mounting bracket by heaving guide rail edge
The protective cover slides up and down.
In above-mentioned technical proposal, the mounting bracket has two-arm to be located at steel pipe both sides to be cut respectively；The cutting feeding machine
Structure includes stepper motor, driving gear, driven gear, screw mandrel, feeding guide rail, sliding block, shaft coupling, bearing block；The feeding is led
Rail is symmetrically mounted in the mounting bracket two-arm, installation screw mandrel among feeding guide rail, and sliding block, the sliding block are installed on the screw mandrel
Moving forward and backward along feeding guide rail is realized according to the rotation direction of screw mandrel；The stepper motor is arranged on mounting bracket rear portion, and two
Shaft coupling is installed in side respectively, and the stepper motor drives driving gear to rotate by the shaft coupling of both sides；The driven gear with
The screw mandrel connection, the driving gear drive the driven gear to rotate, so as to drive the screw mandrel to rotate；The bearing block
On mounting bracket, the shaft coupling is supported；The cutting feed mechanism can be realized by the control of the stepper motor
Symmetrical advance or retrogressing of the sliding block of steel pipe both sides to be cut along the feeding guide rail.
Two locking pin holes are respectively installed in above-mentioned technical proposal, under the two-arm of the mounting bracket, are used for and retaining mechanism
Be relatively fixed.
In above-mentioned technical proposal, the golden steel chain cutting mechanism includes hydraulic motor, cutting chain, driving wheel, pinch roller；It is described
Driving wheel is arranged on the sliding block, on the outside of the feeding guide rail；Hydraulic motor is installed under the driving wheel；The cutting
Chain ring is arranged on driving wheel；The pinch roller is arranged on the sliding block, on the outside of the cutting chain；The hydraulic motor
Driving wheel is driven to rotate, driving wheel drives cutting chain to start to rotate, while compresses the cutting chain by the pinch roller.
In above-mentioned technical proposal, the retaining mechanism includes locking arm, positional cylinder, locking cylinder, voussoir, the locking
Arm has two, installs positional cylinder between steel pipe both sides to be cut, the locking arm respectively, and the positional cylinder drives institute
Locking arm is stated, holds tightly or unclamps steel pipe to be cut；The locking cylinder has two, is separately mounted under the locking arm, described
Locking cylinder drives the voussoir, the locking pin hole inserted under the mounting bracket, mounting bracket is fixed on retaining mechanism.
In above-mentioned technical proposal, the protective cover is coupled by two semicircle steel pipe bolts or buckle, the protective cover
Diameter determines according to diameter of steel tube to be cut.
In above-mentioned technical proposal, the mounting bracket bottom is provided with wedge shaped detents, and it is fixed to be provided with the retaining mechanism
Position hole, the alignment pin insert the positioning hole, the positioning for the golden steel chain cutting mechanism.
In above-mentioned technical proposal, the cutting chain is diamond bead string rope.
In above-mentioned technical proposal, the driving gear and the driven gear are umbrella tooth.
The present invention also proposes a kind of mud incision removed with Yu Haiyang abandoned well platform pipe using above-mentioned cutter device
Segmentation method, comprise the following steps：
Step S1：Protective cover is installed outside steel pipe to be cut, cutter device is all in the protective cover inside processing；
Step S2：The protective cover along depth direction install heave guide rail, the protective cover depth direction merogenesis connect,
Lengthen, each mechanism is slided along heave guide rail, carries out moving and positioning along steel pipe to be cut；
Step S3：The retaining mechanism is transferred along the heave guide rail, after reaching designated depth, opens positional cylinder, band
Dynamic locking arm, when positional cylinder is retracted, locking arm holds steel pipe to be cut tightly, realizes locking；When positional cylinder stretches out, locking arm
Unclamp；
Step S4：Cutting feed mechanism, golden steel chain cutting mechanism are set, by cutting feed mechanism, golden steel chain cutting mechanism
On mounting bracket；
Step S5：Along the heave guide rail decentralization mounting bracket, positioning hole is inserted to alignment pin, starts locking cylinder, is driven
Voussoir, when locking cylinder stretches out, voussoir insertion locking pin hole, realize being relatively fixed for mounting bracket and retaining mechanism；Locking cylinder
During retraction, voussoir exits locking pin hole, realizes that mounting bracket separates with retaining mechanism；
Step S6：The cutting feed mechanism by driving stepper motor screw mandrel, band movable slider along feeding guide rail advance or after
Move back realization cutting feeding；When cutting feeding, start stepper motor, drive shaft coupling, driving gear to rotate, pass through driven gear
Screw mandrel rotation is driven, sliding block is symmetrically fed along feeding guide rail；When cutting is exited, stepper motor reverse starting, sliding block reversely moves back
Return；
Step S7：By fluid motor-driven gold steel chain cutting mechanism, driving wheel drives cutting chain to rotate, treats cutting of steel
Pipe is cut, and pinch roller compresses cutting chain.
The present invention compared with prior art, has the advantages that：
The cutter device of the present invention sinks down into designated depth along pipe cutting to be cut, by oil cylinder locking, by golden steel chain cutting of steel
Pipe.Protective cover ensure that cutting process not by current, back-silting is influenceed.The invention provides a kind of cutting of steel under water or under mud
The device of pipe, the device carry out control waterborne, without using diver's underwater operation, reduce underwater operation risk；Cutting process
Small, no-spark is disturbed, to marine pollution very little, avoids the danger that oil gas fires；Cutting expense is small, time-consuming short, has good
Economic benefit.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is cutter device feed mechanism top view under mud of the invention；
Fig. 2 is cutter device top view under mud of the invention；
Fig. 3 is cutter device elevation under mud of the invention；
Fig. 4 is the locking device top view of the present invention；
Fig. 5 is that the locking device of the present invention and mounting bracket are relatively fixed mechanism elevation.
In figure, 1- steel pipes to be cut, 2- protective covers, 3- stepper motors, 4- driving gears, 5- driven gears, 6- screw mandrels, 7-
Feeding guide rail, 8- sliding blocks, 9- shaft couplings, 10- bearing blocks, 11- mounting brackets, 12- locking pin holes, 13- cutting chains, 14- driving wheels,
15- pinch rollers, 16- hydraulic motors, 17- alignment pins, 18- locking arms, 19- positional cylinders, 20- positioning holes, 21- heave guide rails, 22-
Locking cylinder, 23- voussoirs.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.
Cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe of the present invention, including protective cover 2, cutting
Feed mechanism, golden steel chain cutting mechanism, retaining mechanism, mounting bracket 11, the protective cover 2 is arranged on outside steel pipe 1 to be cut, described
The inner side of protective cover 2 is provided with heave guide rail 21；The retaining mechanism is provided with positioning hole 20；The cutting feed mechanism and described
Golden steel chain cutting mechanism is arranged on the mounting bracket, and the lower section of mounting bracket 11 sets alignment pin 17, passes through the alignment pin
Positioning hole 20 on 17 insertion retaining mechanisms realizes the relative positioning with retaining mechanism；The retaining mechanism and the mounting bracket 11
Slided up and down by heaving guide rail 21 along the protective cover 2.Protective cover 2 is coupled by two semicircle steel pipe bolts or buckle,
The diameter of the protective cover 2 determines according to diameter of steel tube to be cut.Protective cover 2 can be lengthened in depth with merogenesis.
Cutting feed mechanism, golden steel chain cutting mechanism and retaining mechanism are introduced respectively below in conjunction with the accompanying drawings.
Fig. 1 shows cutter device feed mechanism top view under mud of the invention.Reference picture 1, pacify outside steel pipe 1 to be cut
Fill protective cover 2, the inwall of protective cover 2 installation heave guide rail 21.Mounting bracket 11 has two-arm to be located at steel pipe both sides to be cut respectively.Cutting
Feed mechanism includes stepper motor 3, driving gear 4, driven gear 5, screw mandrel 6, feeding guide rail 7, sliding block 8, shaft coupling 9, bearing
Seat 10.Feed mechanism is cut to be arranged on mounting bracket 11.The installation of feeding guide rail 7 is symmetrically mounted on the two-arm of mounting bracket 11
On, screw mandrel 6 is installed among feeding guide rail 7, sliding block 8 is installed on the screw mandrel 6, the sliding block 8 is real according to the rotation direction of screw mandrel 6
Now moving forward and backward along feeding guide rail 7；The stepper motor 3 is arranged on the rear portion of mounting bracket 11, and shaft coupling is installed in both sides respectively
9, the stepper motor 3 drives driving gear 4 to rotate by the shaft coupling of both sides；The driven gear 5 connects with the screw mandrel 6
Connect, the driving gear 4 drives the driven gear 5 to rotate, so as to drive the screw mandrel 6 to rotate；The bearing block 10 is installed
On mounting bracket 11, the shaft coupling 9 is supported；The cutting feed mechanism is realized to be cut by the control of the stepper motor 3
The sliding block 8 of the both sides of steel pipe 1 is cut along the symmetrical advance or retrogressing of the feeding guide rail 7.
Wherein, the driving gear 4 in the present invention and driven gear 5 all use umbrella tooth structure.
During cutting feeding, start stepper motor 3, drive shaft coupling 9, driving gear 4 to rotate, driven by driving gear 4
Driven gear 5 rotates, and drives screw mandrel 6 to rotate by driven gear 5, sliding block 8 is symmetrically fed along feeding guide rail 7.Cutting is exited
When, the reverse starting of stepper motor 3, sliding block 8 is reversely retracted.
Fig. 2 shows cutting mechanism top view under mud of the invention, and Fig. 3 shows cutting mechanism elevation under mud.Reference
Fig. 2 and Fig. 3, golden steel chain cutting mechanism include hydraulic motor 16, cutting chain 13, driving wheel 14, pinch roller 15.Driving wheel 14 is arranged on
On sliding block 8, positioned at the outside of feeding guide rail 7,14 times installation hydraulic motors 16 of driving wheel, the ring of cutting chain 13 is arranged on driving wheel 14
On, pinch roller 15 is arranged on outside the annular cutting chain 13, and hydraulic motor 16 drives driving wheel 14 to rotate, and driving wheel 14 drives cutting
Chain 13 starts to rotate, while compresses cutting chain by pinch roller 15.
During cutting operation, start hydraulic motor 16, drive driving wheel 14 to rotate, cutting chain 13 starts to rotate, by pinch roller 15
Compress cutting chain 13.Feed forward, cutting chain 13 is adjacent to steel pipe 1 to be cut, starts cutting operation.When the serious wear of pinch roller 15
When, pinch roller 15 can not be installed.
In the present invention, mounting bracket bottom is provided with wedge shaped detents 17, and wedge shaped detents 17 insert positioning hole 20, for institute
State the relative positioning of mounting bracket and retaining mechanism；Mounting bracket bottom is provided with locking pin hole 12, and lock is installed in retaining mechanism two-arm
Locking oil cylinder 22, voussoir 23, locking cylinder 22 stretches out band dynamic voussoir 23 and inserts locking pin hole 12, for the mounting bracket and locking machine
Structure is relatively fixed.
Cutting chain uses diamond bead string rope in the present invention.
Fig. 4 shows the locking device top view of the present invention.Reference picture 4, retaining mechanism include locking arm 18, positional cylinder
19th, locking cylinder 22, voussoir 23, positional cylinder 19 is installed between locking arm 18.Wherein, when positional cylinder 19 is retracted, locking
Arm 18 holds steel pipe 1 to be cut tightly, realizes locking；When positional cylinder 19 stretches out, locking arm 18 unclamps.Reference picture 4, mounting bracket 10
On have positioning hole 20；Reference picture 3, there is alignment pin 17 under mounting bracket 11, when alignment pin 17 inserts positioning hole 20, cutter device position
Put fixation.
Fig. 5 shows relatively-stationary mechanism elevation between retaining mechanism and mounting bracket of the present invention.Reference picture 5, installation
There is locking pin hole 12 under frame 11；There are locking cylinder 22, voussoir 23 under retaining mechanism.When locking cylinder 22 stretches out, voussoir 23 is inserted
Enter locking pin hole 12, retaining mechanism and mounting bracket 11 are relatively fixed；When locking cylinder 22 is retracted, voussoir 23 exits locking pin hole
12, retaining mechanism and mounting bracket 11 separate.
The present invention additionally provides cutting side under a kind of mud removed with Yu Haiyang abandoned well platform pipe according to said apparatus
Method, comprise the following steps：
Step S1：Protective cover is installed outside steel pipe to be cut, cutter device is all in the protective cover inside processing；
Step S2：The protective cover along depth direction install heave guide rail, the protective cover depth direction merogenesis connect,
Lengthen, each mechanism is slided along heave guide rail, carries out moving and positioning along steel pipe to be cut；
Step S3：The retaining mechanism is transferred along the heave guide rail, after reaching designated depth, opens positional cylinder, band
Dynamic locking arm, when positional cylinder is retracted, locking arm holds steel pipe to be cut tightly, realizes locking；When positional cylinder stretches out, locking arm
Unclamp；
Step S4：Cutting feed mechanism, golden steel chain cutting mechanism are set, by cutting feed mechanism, golden steel chain cutting mechanism
On mounting bracket；
Step S5：Along the heave guide rail decentralization mounting bracket, positioning hole is inserted to alignment pin, starts locking cylinder, is driven
Voussoir, when locking cylinder stretches out, voussoir insertion locking pin hole, realize being relatively fixed for mounting bracket and retaining mechanism；Locking cylinder
During retraction, voussoir exits locking pin hole, realizes that mounting bracket separates with retaining mechanism；
Step S6：The cutting feed mechanism by driving stepper motor screw mandrel, band movable slider along feeding guide rail advance or after
Move back realization cutting feeding；When cutting feeding, start stepper motor, drive shaft coupling, driving gear to rotate, pass through driven gear
Screw mandrel rotation is driven, sliding block is symmetrically fed along feeding guide rail；When cutting is exited, stepper motor reverse starting, sliding block reversely moves back
Return；
Step S7：By fluid motor-driven gold steel chain cutting mechanism, driving wheel drives cutting chain to rotate, treats cutting of steel
Pipe is cut, and pinch roller compresses cutting chain.
Technical scheme causes cutter device to sink down into designated depth along pipe cutting to be cut, by oil cylinder locking, by
Golden steel chain pipe cutting, carries out control waterborne, without using diver's underwater operation, reduces underwater operation risk；Cutting process
Small, no-spark is disturbed, to marine pollution very little, avoids the danger that oil gas fires；Cutting expense is small, time-consuming short, has good
Economic benefit.
The implementation to the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned specific reality
Mode is applied, those skilled in the art can make various deformations or amendments within the scope of the claims, and this has no effect on this hair
Bright substantive content.The selection of each parameter in the present invention, to be determined according to the concrete condition of target.
Claims (10)
1. cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe, it is characterised in that including protective cover, cutting
Feed mechanism, golden steel chain cutting mechanism, retaining mechanism, mounting bracket, the protective cover are arranged on outside steel pipe to be cut, the protection
Cover inner side is provided with heave guide rail；The retaining mechanism is provided with positioning hole；The cutting feed mechanism and the golden steel chain are cut
Cutting mill structure is arranged on the mounting bracket, and the mounting bracket bottom sets alignment pin, and retaining mechanism is inserted by the alignment pin
On positioning hole realize and the relative positioning of retaining mechanism；The retaining mechanism is with the mounting bracket by heaving guide rail along institute
Protective cover is stated to slide up and down.
2. cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe according to claim 1, its feature
It is, the mounting bracket has two-arm to be located at steel pipe both sides to be cut respectively；The cutting feed mechanism includes stepper motor, active
Gear, driven gear, screw mandrel, feeding guide rail, sliding block, shaft coupling, bearing block；The feeding guide rail is symmetrically mounted on the installation
In frame two-arm, screw mandrel is installed among feeding guide rail, sliding block is installed on the screw mandrel, the sliding block is real according to the rotation direction of screw mandrel
Now moving forward and backward along feeding guide rail；The stepper motor is arranged on mounting bracket rear portion, and shaft coupling is installed in both sides respectively, described
Stepper motor drives driving gear to rotate by the shaft coupling of both sides；The driven gear is connected with the screw mandrel, the active
Gear drives the driven gear to rotate, so as to drive the screw mandrel to rotate；The bearing block is arranged on mounting bracket, supports institute
State shaft coupling；The cutting feed mechanism can realize the described of steel pipe both sides to be cut by the control of the stepper motor
Symmetrical advance or retrogressing of the sliding block along the feeding guide rail.
3. cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe according to claim 1, its feature
It is：Two locking pin holes are respectively installed, for being relatively fixed with retaining mechanism under the two-arm of the mounting bracket.
4. cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe according to claim 2, its feature
It is：The golden steel chain cutting mechanism includes hydraulic motor, cutting chain, driving wheel, pinch roller；The driving wheel is arranged on the cunning
On block, on the outside of the feeding guide rail；Hydraulic motor is installed under the driving wheel；The cutter link is to installed in driving wheel
On；The pinch roller is arranged on the sliding block, on the outside of the cutting chain；The hydraulic motor drives driving wheel to rotate, and drives
Driving wheel drives cutting chain to start to rotate, while compresses the cutting chain by the pinch roller.
5. cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe according to claim 1, its feature
It is：The retaining mechanism includes locking arm, positional cylinder, locking cylinder, voussoir, and the locking arm has two, is located at respectively
Steel pipe both sides to be cut, positional cylinder is installed between the locking arm, the positional cylinder drives the locking arm, holds tightly or pine
Open steel pipe to be cut；The locking cylinder has two, is separately mounted under the locking arm, and the locking cylinder drives the wedge
Block, the locking pin hole inserted under the mounting bracket, mounting bracket is fixed on retaining mechanism.
6. cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe according to claim 1, its feature
It is：The protective cover is coupled by two semicircle steel pipe bolts or buckle, and the diameter of the protective cover is according to steel pipe to be cut
Diameter determines.
7. cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe according to claim 3, its feature
It is：The mounting bracket bottom is provided with wedge shaped detents, and positioning hole, the alignment pin insertion are provided with the retaining mechanism
The positioning hole, the positioning for the golden steel chain cutting mechanism.
8. cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe according to claim 1, its feature
It is：The cutting chain is diamond bead string rope.
9. cutter device under a kind of mud removed with Yu Haiyang abandoned well platform pipe according to claim 2, its feature
It is：The driving gear and the driven gear are umbrella tooth.
10. a kind of method that cutter device is cut under mud using described in claim any one of 1-9, it is characterised in that
Comprise the following steps：
Step S1：Protective cover is installed outside steel pipe to be cut, cutter device is all in the protective cover inside processing；
Step S2：The protective cover along depth direction install heave guide rail, the protective cover depth direction merogenesis connect, plus
Long, each mechanism is slided along heave guide rail, carries out moving and positioning along steel pipe to be cut；
Step S3：The retaining mechanism is transferred along the heave guide rail, after reaching designated depth, positional cylinder is opened, drives lock
Tight arm, when positional cylinder is retracted, locking arm holds steel pipe to be cut tightly, realizes locking；When positional cylinder stretches out, locking arm pine
Open；
Step S4：Cutting feed mechanism, golden steel chain cutting mechanism are set, cutting feed mechanism, golden steel chain cutting mechanism are installed
On mounting bracket；
Step S5：Along it is described heave guide rail decentralization mounting bracket, to alignment pin insert positioning hole, start locking cylinder, band dynamic voussoir,
When locking cylinder stretches out, voussoir insertion locking pin hole, being relatively fixed for mounting bracket and retaining mechanism is realized；Locking cylinder is retracted
When, voussoir exits locking pin hole, realizes that mounting bracket separates with retaining mechanism；
Step S6：By driving stepper motor screw mandrel, band movable slider advances or retreated real the cutting feed mechanism along feeding guide rail
Now cutting feeding；When cutting feeding, start stepper motor, drive shaft coupling, driving gear to rotate, driven by driven gear
Screw mandrel is rotated, and sliding block is symmetrically fed along feeding guide rail；When cutting is exited, stepper motor reverse starting, sliding block is reversely retracted；
Step S7：By fluid motor-driven gold steel chain cutting mechanism, driving wheel drives cutting chain to rotate, treats pipe cutting and enter
Row cutting, pinch roller compress cutting chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801974.3A CN107598273B (en) | 2017-09-07 | 2017-09-07 | Under-mud cutting device and method for dismantling marine abandoned oil well platform pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801974.3A CN107598273B (en) | 2017-09-07 | 2017-09-07 | Under-mud cutting device and method for dismantling marine abandoned oil well platform pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107598273A true CN107598273A (en) | 2018-01-19 |
| CN107598273B CN107598273B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710801974.3A Active CN107598273B (en) | 2017-09-07 | 2017-09-07 | Under-mud cutting device and method for dismantling marine abandoned oil well platform pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277804A (en) * | 2018-01-31 | 2018-07-13 | 上海交大海科检测技术有限公司 | The sinking positioning device and method cut with Yu Haiyang abandoned well platform pipe |
| CN110863491A (en) * | 2019-11-05 | 2020-03-06 | 哈尔滨工程大学 | Device and method for blowing mud of abandoned submarine pile pipe downwards and cutting mud |
| CN116060699A (en) * | 2023-03-15 | 2023-05-05 | 山东海盛海洋工程集团有限公司 | Under-mud cutting device and method for submarine metal waste |
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