CN207681625U - The mud lower cutting device removed with Yu Haiyang abandoned well platform pipe - Google Patents
The mud lower cutting device removed with Yu Haiyang abandoned well platform pipe Download PDFInfo
- Publication number
- CN207681625U CN207681625U CN201721145062.7U CN201721145062U CN207681625U CN 207681625 U CN207681625 U CN 207681625U CN 201721145062 U CN201721145062 U CN 201721145062U CN 207681625 U CN207681625 U CN 207681625U
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- Prior art keywords
- cutting
- mounting bracket
- cut
- guide rail
- retaining mechanism
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Abstract
The utility model discloses a kind of mud lower cutting devices removed with Yu Haiyang abandoned well platform pipe; including protective cover, cutting feed mechanism, golden steel chain cutting mechanism, retaining mechanism, mounting bracket; protective cover is mounted on outside steel pipe to be cut, inner wall installation heave guide rail；Cut feed mechanism, golden steel chain cutting mechanism is mounted on mounting bracket；Positioning pin is installed in mounting bracket lower part, and location hole is arranged on retaining mechanism；Retaining mechanism starts positional cylinder, holds steel pipe to be cut tightly along heave guide rail sliding after steel pipe to be cut sinks down into designated depth；Mounting bracket is transferred along heave guide rail again, positioning pin is inserted into location 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 utility model, while having the characteristics that economic, environmental protection.
Description
Technical field
The utility model is related to remove cutting field under offshore well platform pipe mud, more particularly relate to useless with Yu Haiyang
The mud lower cutting device for abandoning the dismounting of oil platforms pipe, under offshore well platform pipe mud when cutting operation, under water or mud
The device of lower pipe cutting.
Background technology
Currently, with the long-term acquisition of China coastal seas oil gas field resource, Offshore Oil gas field resource increasingly depleted is a large amount of useless
It abandons Oil/Gas Pipe and protection stake needs to remove.To ensure coastal waters channel safe and environmental protection, it is desirable that discarded production platform support tube
The stake no less than positions 4m cutting disassembling below natural mud face in water, and while cutting cannot generate spark.According to requirements above, when
After work surface 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 generally just uses 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, that there are maintenance costs is big, risk is high, offshore sea using it is insufficient situations such as.
Utility model content
The utility model technical issues that need to address are, for defect present in background technology, to provide one kind and be used for
The mud lower cutting device and method that ocean abandoned well platform pipe is removed, the utility model is efficient, economical, environmentally friendly, safe, can
The discarded steel pipe of designated depth under underwater or mud is cut and disassembled.
To achieve the above object, the utility model is realized according to following technical scheme：
A kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe, which is characterized in that including protective cover, cut
Feed mechanism, golden steel chain cutting mechanism, retaining mechanism, mounting bracket are cut, the protective cover is mounted 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 location hole；The cutting feed mechanism and the golden steel chain
Cutting mechanism is mounted on the mounting bracket, and positioning pin is arranged in the mounting bracket lower part, and locking machine is inserted by the positioning pin
Location 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；The cutting feeding machine
Structure includes stepper motor, driving gear, driven gear, lead screw, feeding guide rail, sliding block, shaft coupling, bearing block；The feeding is led
Rail is symmetrically mounted in the mounting bracket two-arm, and lead screw is installed among feeding guide rail, sliding block, the sliding block are installed on the lead screw
Moving forward and backward along feeding guide rail is realized according to the rotation direction of lead screw；The stepper motor be mounted on mounting bracket rear portion, 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 lead screw connection, the driving gear drives the driven gear rotation, to drive the lead screw 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 forward or backward of the sliding block of steel pipe both sides to be cut along the feeding guide rail.
In above-mentioned technical proposal, respectively installation is used for and retaining mechanism there are two locking pin hole under the two-arm of the mounting bracket
Be relatively fixed.
In above-mentioned technical proposal, the gold steel chain cutting mechanism includes hydraulic motor, cutting chain, driving wheel, pinch roller；It is described
Driving wheel is mounted on the sliding block, is located on the outside of the feeding guide rail；Hydraulic motor is installed under the driving wheel；The cutting
Chain circumferential direction is mounted on driving wheel；The pinch roller is mounted on the sliding block, is located on the outside of the cutting chain；The hydraulic motor
It drives driving wheel rotation, driving wheel that cutting chain is driven to start to rotate, while the cutting chain is compressed by the pinch roller.
In above-mentioned technical proposal, the retaining mechanism includes locking arm, positional cylinder, locking cylinder, voussoir, the locking
There are two arms, is located at steel pipe both sides to be cut, and positional cylinder is installed between the locking arm, and the positional cylinder drives institute
Locking arm is stated, holds or unclamp steel pipe to be cut tightly；There are two the locking cylinders, is separately mounted under the locking arm, described
Locking cylinder drives the voussoir, the locking pin hole being inserted under the mounting bracket that 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 is determined according to diameter of steel tube to be cut.
In above-mentioned technical proposal, the mounting bracket lower part is equipped with wedge shaped detents, and it is fixed to be provided on the retaining mechanism
Position hole, the positioning pin are inserted into the location 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 is umbrella tooth with the driven gear.
The utility model compared with prior art, has the advantages that：
The cutter device of the utility model sinks down into designated depth along pipe cutting to be cut, by oil cylinder locking, is cut by golden steel chain
Cut steel pipe.Protective cover ensure that cutting process not by flow, back-silting is influenced.The utility model provide it is a kind of under water or mud
The device of lower pipe cutting, the device carry out control waterborne, do not use diver's underwater operation, reduce underwater operation risk；
Cutting process disturbs small, no-spark and avoids the danger that oil gas fires to marine pollution very little；Cutting expense is small, time-consuming short,
It is with good economic efficiency.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the mud lower cutting device feed mechanism vertical view of the utility model；
Fig. 2 is the mud lower cutting device vertical view of the utility model；
Fig. 3 is the mud lower cutting device elevation of the utility model；
Fig. 4 is the locking device top view of the utility model；
Fig. 5 is that the locking device of the utility model 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- lead screws, 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- positioning pins, 18- locking arms, 19- positional cylinders, 20- location holes, 21- heave guide rail, 22-
Locking cylinder, 23- voussoirs.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.
A kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe of the utility model, including protective cover 2,
Feed mechanism, golden steel chain cutting mechanism, retaining mechanism, mounting bracket 11 are cut, the protective cover 2 is mounted on outside steel pipe 1 to be cut,
2 inside of the protective cover is equipped with heave guide rail 21；The retaining mechanism is provided with location hole 20；The cutting feed mechanism and
The gold steel chain cutting mechanism is mounted on the mounting bracket, and positioning pin 17 is arranged in 11 lower section of the mounting bracket, by described fixed
The location hole 20 that position pin 17 is inserted on retaining mechanism realizes the relative positioning with retaining mechanism；The retaining mechanism and the installation
Frame 11 is slided up and down by heaving guide rail 21 along the protective cover 2.Protective cover 2 is joined by two semicircle steel pipe bolts or buckle
It connects, the diameter of the protective cover 2 is determined 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 the mud lower cutting device feed mechanism vertical view of the utility model.Referring to Fig.1, in steel pipe 1 to be cut
Outer installation protective cover 2,2 inner wall of protective cover installation heave guide rail 21.Mounting bracket 11 has two-arm to be located at steel pipe both sides to be cut.
Cutting feed mechanism includes stepper motor 3, driving gear 4, driven gear 5, lead screw 6, feeding guide rail 7, sliding block 8, shaft coupling 9,
Bearing block 10.Feed mechanism is cut to be mounted on mounting bracket 11.The installation of the feeding guide rail 7 is symmetrically mounted on the mounting bracket 11
In two-arm, lead screw 6 is installed among feeding guide rail 7, sliding block 8 is installed on the lead screw 6, the sliding block 8 is according to the rotation side of lead screw 6
To realization moving forward and backward along feeding guide rail 7；The stepper motor 3 is mounted on 11 rear portion of mounting bracket, and connection is installed in both sides respectively
Axis device 9, the stepper motor 3 drive driving gear 4 to rotate by the shaft coupling of both sides；The driven gear 5 and the lead screw 6
Connection, the driving gear 4 drive the driven gear 5 to rotate, to drive the lead screw 6 to rotate；The bearing block 10 is pacified
On mounting bracket 11, the shaft coupling 9 is supported；The cutting control of the feed mechanism by the stepper motor 3, realization wait for
Symmetrical forward or backward of the sliding block 8 of 1 both sides of pipe cutting along the feeding guide rail 7.
Wherein, the driving gear 4 in the utility model and driven gear 5 all use umbrella tooth structure.
When cutting feeding, start stepper motor 3, drives shaft coupling 9, driving gear 4 to rotate, driven by driving gear 4
Driven gear 5 rotates, and drives lead screw 6 to rotate by driven gear 5, and sliding block 8 is symmetrically fed along feeding guide rail 7.Cutting is exited
When, 3 reverse starting of stepper motor, sliding block 8 is reversely retracted.
Fig. 2 shows cutting mechanism vertical view under the mud of the utility model, Fig. 3 shows cutting mechanism elevation under mud.
With reference to Fig. 2 and Fig. 3, golden steel chain cutting mechanism includes hydraulic motor 16, cutting chain 13, driving wheel 14, pinch roller 15.Driving wheel 14 is pacified
On sliding block 8, it is located at 7 outside of feeding guide rail, 14 times installation hydraulic motors 16 of driving wheel, cutting chain 13 is circumferential to be mounted on driving
On wheel 14, pinch roller 15 is mounted 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 compressing cutting chain by pinch roller 15.
When cutting operation, start hydraulic motor 16, drives driving wheel 14 to rotate, cutting chain 13 starts to rotate, by pinch roller 15
Compress cutting chain 13.It feeds forward, cutting chain 13 is adjacent to steel pipe 1 to be cut, starts cutting operation.When 15 serious wear of pinch roller
When, pinch roller 15 can not be installed.
In the utility model, mounting bracket lower part is equipped with wedge shaped detents 17, and wedge shaped detents 17 are inserted into location hole 20, use
In the relative positioning of the mounting bracket and retaining mechanism；Mounting bracket lower part is equipped with locking pin hole 12, pacifies in retaining mechanism two-arm
Locking cylinder 22, voussoir 23 are filled, locking cylinder 22 stretches out band dynamic voussoir 23 and is inserted into locking pin hole 12, is used for the mounting bracket and lock
Tight mechanism is relatively fixed.
Cutting chain uses diamond bead string rope in the utility model.
Fig. 4 shows the locking device top view of the utility model.With reference to Fig. 4, retaining mechanism includes locking arm 18, positioning
Oil cylinder 19, locking cylinder 22, voussoir 23 install positional cylinder 19 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.With reference to Fig. 4, installation
There is location hole 20 on frame 10；With reference to Fig. 3, there is positioning pin 17 under mounting bracket 11, when positioning pin 17 is inserted into location hole 20, cutting dress
Seated position is fixed.
Fig. 5 shows relatively-stationary mechanism elevation between the utility model retaining mechanism and mounting bracket.Reference Fig. 5,
There is locking pin hole 12 under mounting bracket 11；There are locking cylinder 22, voussoir 23 under retaining mechanism.When locking cylinder 22 stretches out, voussoir
23 are inserted into locking pin hole 12, and 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 detach.
The utility model additionally provides a kind of mud incision removed with Yu Haiyang abandoned well platform pipe according to above-mentioned apparatus
Segmentation method includes 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,
It lengthens, each mechanism carries out moving and positioning along steel pipe to be cut along heave guide rail sliding；
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
It unclamps；
Step S4：Setting cutting feed mechanism, golden steel chain cutting mechanism, by cutting feed mechanism, golden steel chain cutting mechanism
On mounting bracket；
Step S5：Mounting bracket is transferred along the heave guide rail, until positioning pin is inserted into location hole, starts locking cylinder, drives
Voussoir, when locking cylinder stretches out, voussoir is inserted into locking pin hole, realizes being relatively fixed for mounting bracket and retaining mechanism；Locking cylinder
When retraction, voussoir exits locking pin hole, realizes that mounting bracket is detached with retaining mechanism；
Step S6：The cutting feed mechanism drives lead screw by stepper motor, band movable slider along feeding guide rail advance or after
Move back realization cutting feeding；When cutting feeding, start stepper motor, drives shaft coupling, driving gear rotation, pass through driven gear
Lead screw rotation, sliding block is driven symmetrically to be fed along feeding guide rail；When cutting is exited, stepper motor reverse starting, sliding block reversely moves back
It returns；
Step S7：Golden steel chain cutting mechanism, driving wheel is driven to drive cutting chain rotation, treat cutting of steel by hydraulic motor
Pipe is cut, and pinch roller compresses cutting chain.
The technical solution of the utility model makes cutter device sink down into designated depth along pipe cutting to be cut, is locked by oil cylinder
Tightly, by golden steel chain pipe cutting, control waterborne is carried out, diver's underwater operation is not used, reduces underwater operation risk；Cutting
Process disturbance is small, no-spark avoids the danger that oil gas fires to marine pollution very little；Cutting expense is small, time-consuming short, has
Good economic benefit.
The implementation of the utility model is described above.It is to be appreciated that the utility model is not limited to
Particular implementation is stated, those skilled in the art can make various deformations or amendments within the scope of the claims, this is not
Influence the substantive content of the utility model.The selection of each parameter in the utility model, be according to the concrete condition of target
It determines.
Claims (9)
1. a kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe, which is characterized in that including protective cover, cutting
Feed mechanism, golden steel chain cutting mechanism, retaining mechanism, mounting bracket, the protective cover are mounted on outside steel pipe to be cut, the protection
Cover inside is equipped with heave guide rail；The retaining mechanism is provided with location hole；The cutting feed mechanism and the golden steel chain are cut
Cutting mill structure is mounted on the mounting bracket, and positioning pin is arranged in the mounting bracket lower part, and retaining mechanism is inserted by the positioning pin
On location 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. a kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe according to claim 1, feature
It is, the mounting bracket has two-arm to be located at steel pipe both sides to be cut；The cutting feed mechanism includes stepper motor, active
Gear, driven gear, lead screw, feeding guide rail, sliding block, shaft coupling, bearing block；The feeding guide rail is symmetrically mounted on the installation
In frame two-arm, lead screw is installed among feeding guide rail, sliding block is installed on the lead screw, the sliding block is real according to the rotation direction of lead screw
Now moving forward and backward along feeding guide rail；The stepper motor is mounted on mounting bracket rear portion, and shaft coupling is installed in both sides respectively, described
Stepper motor drives driving gear rotation by the shaft coupling of both sides；The driven gear is connect with the lead screw, the active
Gear drives the driven gear rotation, to drive the lead screw to rotate；The bearing block is mounted 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 forward or backward of the sliding block along the feeding guide rail.
3. a kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe according to claim 1, feature
It is：Respectively installation is there are two locking pin hole under the two-arm of the mounting bracket, for being relatively fixed with retaining mechanism.
4. a kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe according to claim 2, feature
It is：The gold steel chain cutting mechanism includes hydraulic motor, cutting chain, driving wheel, pinch roller；The driving wheel is mounted on the cunning
On block, it is located on the outside of the feeding guide rail；Hydraulic motor is installed under the driving wheel；The cutter link is to mounted on driving wheel
On；The pinch roller is mounted on the sliding block, is located on the outside of the cutting chain；The hydraulic motor drives driving wheel rotation, drives
Driving wheel drives cutting chain to start to rotate, while compressing the cutting chain by the pinch roller.
5. a kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe according to claim 1, feature
It is：The retaining mechanism includes locking arm, positional cylinder, locking cylinder, voussoir, and there are two the locking arms, is located at
Steel pipe both sides to be cut install positional cylinder between the locking arm, and the positional cylinder drives the locking arm, hold tightly or pine
Open steel pipe to be cut；There are two the locking cylinders, is separately mounted under the locking arm, and the locking cylinder drives the wedge
Block, the locking pin hole being inserted under the mounting bracket, mounting bracket is fixed on retaining mechanism.
6. a kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe according to claim 1, 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. a kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe according to claim 3, feature
It is：The mounting bracket lower part is equipped with wedge shaped detents, and location hole is provided on the retaining mechanism, and the positioning pin is inserted into
The location hole, the positioning for the golden steel chain cutting mechanism.
8. a kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe according to claim 4, feature
It is：The cutting chain is diamond bead string rope.
9. a kind of mud lower cutting device removed with Yu Haiyang abandoned well platform pipe according to claim 2, feature
It is：The driving gear is umbrella tooth with the driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145062.7U CN207681625U (en) | 2017-09-07 | 2017-09-07 | The mud lower cutting device removed with Yu Haiyang abandoned well platform pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145062.7U CN207681625U (en) | 2017-09-07 | 2017-09-07 | The mud lower cutting device removed with Yu Haiyang abandoned well platform pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207681625U true CN207681625U (en) | 2018-08-03 |
Family
ID=62987456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721145062.7U Active CN207681625U (en) | 2017-09-07 | 2017-09-07 | The mud lower cutting device removed with Yu Haiyang abandoned well platform pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207681625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598273A (en) * | 2017-09-07 | 2018-01-19 | 上海交大海科检测技术有限公司 | Device and method is cut under the mud removed with Yu Haiyang abandoned well platform pipe |
-
2017
- 2017-09-07 CN CN201721145062.7U patent/CN207681625U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598273A (en) * | 2017-09-07 | 2018-01-19 | 上海交大海科检测技术有限公司 | Device and method is cut under the mud removed with Yu Haiyang abandoned well platform pipe |
| CN107598273B (en) * | 2017-09-07 | 2024-03-15 | 上海交大海科检测技术有限公司 | Under-mud cutting device and method for dismantling marine abandoned oil well platform pipe |
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