CN202684370U - Inner cutting device for offshore pile pipe - Google Patents
Inner cutting device for offshore pile pipe Download PDFInfo
- Publication number
- CN202684370U CN202684370U CN 201220295158 CN201220295158U CN202684370U CN 202684370 U CN202684370 U CN 202684370U CN 201220295158 CN201220295158 CN 201220295158 CN 201220295158 U CN201220295158 U CN 201220295158U CN 202684370 U CN202684370 U CN 202684370U
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- support arm
- cutting
- drive
- drive screw
- pile pipe
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Abstract
The utility model relates to an inner cutting device for an offshore pile pipe, which belongs to the field of ocean engineering. The device mainly comprises two parts of a guide mechanism and a rotary cutting mechanism, wherein the guide mechanism comprises a guide drive, a drive sprocket, a driven sprocket, a transmission chain, a guide support arm and a drive screw; and the rotary cutting mechanism comprises a rotary cutting drive, a drive pinion, a driven bull wheel, a cutting torch support arm and a cutting torch assembly. The device can be arranged in the pipe to cut the pile pipe, can cut from a position which is 4 meters below a mud surface and is convenient to operate; the cutting device is not directly contacted with sea water, and can be influenced by/can influence marine environments slightly; and the construction personnel operate underwater, and the device has the characteristics of safety in construction, low cost and the like.
Description
Technical field
The utility model relates to a kind of marine pile pipe inscribe and cut device, belong to the ocean engineering field.
Background technology
Along with deepening continuously of marine petroleum development, early stage single well production pattern is incorporated central platform into by submarine pipeline, the support pile pipes such as its corresponding torch stake, trestle have not had use value, on the contrary, because it is distributed on the navigation channel, bring huge hidden danger to sail and construction safety, needed dismounting badly; Completely designed the enlistment age, through assessing the platform that to be on active service, announced " offshore platform is thrown aside and managed Tentative Measures " the 12 regulation on June 24th, 2002 according to National Bureau of Oceanography, the necessary complete removal that discarded platform hinders the leading function in ocean to use, carry out the platform of complete removal with interior marine site in the territorial waters, the spud leg in its residual seabed etc. should be cut to below 4 m of surface, seabed.
Offshore pile pipes is removed operation, and the main mode of outer cutting and CUMULATIVE BLASTING that adopts is constructed at present.Although cumulative charge has advantages of that cost is lower, efficient is high, very easily submarine facility and the environment of periphery are damaged.And outer cutting method finds to exist following problem in construction: the first, and affected by environment large, because the workmen must be in operation under the seawater, personnel's operating risk is larger simultaneously; The second, as requested, cut point must need a space that is suitable for operation in the following 4m construction of mud face, because there is the phenomenon of back-silting in seabed silt, causes making up the working space difficulty, and duty cycle is generally longer simultaneously.For this, the utility model patent proposes a kind of inside cutter sweep based on the hot melt principle.
Summary of the invention
The purpose of this utility model is exactly the problem that exists for prior art, provides a kind of marine pile pipe inscribe of the fast interior cutting disassembling operation of marine pile pipe that can realize to cut device.
Marine pile pipe inscribe of the present utility model is cut device, mainly is comprised of guiding mechanism and rotary cutting body integrated connection.Guiding mechanism is after the two ends of several drive screws are fixed by body, drive screw and body form in relative rotation symmetric support body, be provided with the drive nut that meshes with drive screw on the every drive screw, drive nut and the guide support arm one end hinge that folds, the other end hinge of folding guide support arm is on the body of drive screw, and every drive screw consists of driven in synchronism with the guiding driver and is connected.Rotary cutting body is that the circumgyration incision driver is installed on the body that rotary cutting body and guiding mechanism connect firmly, on its output shaft driver pinion is installed, driven gear wheel is fixed on the peripheral of body and forms rotation with body and cooperates, driver pinion and the engagement of driven gear wheel, driven gear wheel forms the slide block endplay device by rocking bar and the cutting torch support arm that is mounted thereon, and the cutting torch assembly is installed on cutting torch support arm outer end.
Such scheme also comprises: the bottom at rotary cutting body also is fixed with the infiltration remover.
The drive screw of guiding mechanism is preferably with guiding driver drives connected mode: the drive sprocket of guiding driver is connected cooperation by driving-chain with the driven sprocket that is arranged on drive screw.
The drive screw of guiding mechanism is set to three or four, two rotating nuts of configuration on the every drive screw, and the guide support arm that cooperates with it is two-layer symmetrical, and elastic compression mechanism is installed on the guide support arm.The cutting torch support arm of rotary cutting body and cutting torch assembly are that two or three are symmetrical.
On the outer break of guide support arm running roller is installed.
The cutting torch support arm of rotary cutting body is installed air-supply arrangement.
Also supporting in the device have a TT﹠C system, and this TT﹠C system comprises driving control system, gas detecting system, system for detecting temperature, cutting speed detection system, infiltration water level detecting system.
The utility model is realized the centering that cutter sweep moves by guiding mechanism in pile pipe, drive cutting torch assembly rotation realization to the cutting of pile pipe by rotary cutting body, realizes the infiltration of pile pipe bottom is got rid of by the infiltration discharger.Can realize in pipe, pile pipe being cut, satisfy the requirement of cutting position below mud face 4m.Have simple in structure, easy and simple to handle; Cutter sweep directly and contact with sea water is not subjected to/marine environment is affected less; The workmen is operation on the water, the characteristics such as construction safety, expense are low.
Description of drawings
Accompanying drawing 1 is that a kind of novel marine pile pipe inscribe is cut the device general assembly drawing
Accompanying drawing 2 is enlarged drawings of guiding mechanism 1 part of Fig. 1 cutter sweep
Accompanying drawing 3 is enlarged drawings of Fig. 1 rotary cutting body 2 parts
Among the figure: 1 guiding mechanism (also claiming to transfer guiding and radial positioning mechanism), 2 cutting mechanisms of walking around, 3 infiltration removers, 4 guiding drivers, 5 drive sprockets, 6 driven sprockets, 7 driving-chains, 8 guide support arms, 9 drive screws, 10 drive nuts, 11 elastic compression mechanisms, 12 circumgyration incision drivers, 13 driver pinions, 14 driven gear wheels, 15 cutting torch support arms, 16 cutting torch assemblies, 17 air-supply arrangements.
The specific embodiment
This practical main composition is guiding mechanism 1 and cutting mechanism 2 two parts of walking around, and the infiltration remover 3 of increase is to use in order to satisfy under the pipe internal memory regimen condition, and supporting control system is in order to improve automaticity.
Below in conjunction with the drawings and specific embodiments the utility model is described further;
With reference to accompanying drawing 1, guiding mechanism 1, rotary cutting body 2, infiltration remover 3 connect downwards successively from the top, drive respectively and realize self-movement.In fact the remover 3 that wherein seeps water can utilize water pump, and connects scupper hose, realizes the infiltration of pile pipe bottom is got rid of.
With reference to accompanying drawing 2, guiding mechanism 1 comprises guiding driver 4, drive sprocket 5, driven sprocket 6, driving-chain 7, guide support arm 8, drive screw 9.Guiding driver 4 is installed on the cutter sweep body, drive sprocket 5 is installed on its output shaft, drive sprocket 5 drives driven sprocket 6 by driving-chain 7 and rotates, drive sprocket 5 is connected with driven sprocket respectively and is connected with corresponding drive screw 9, guide support arm 8 is fold mechanism, its drive nut 10 and drive screw 9 engagements, guide support arm 8 rocking arm root hinges are on body, by driving drive screw 9 rotations and driving drive nut 10 is realized rocking arm along drive screw 9 rectilinear motions synchronous overhanging and retracting motion.Transferring and the guide support arm 8 of radial positioning mechanism 1 is installed elastic compression mechanisms 11, realizing that cutter sweep has obstacle climbing ability when moving in pile pipe.The drive nut of guiding mechanism 1 about in the of 10 symmetry be connected to drive screw 9, forming guide support arm 8 be two-layer distribution, every layer preferred three or four, evenly distribution.
With reference to accompanying drawing 3, rotary cutting body 2 comprises circumgyration incision driver 12, driver pinion 13, driven gear wheel 14, cutting torch support arm 15, cutting torch assembly 16.Circumgyration incision driver 12 is installed on the cutter sweep body, driver pinion 13 is installed on its output shaft, driver pinion 13 and driven gear wheel 14 engagements, driven gear wheel 14 forms the slide block endplay device by rocking bar and the cutting torch support arm 15 that is mounted thereon, the existing hot melten type cutting assembly of cutting torch assembly 16() is installed on cutting torch support arm 15 outer ends, realize that cutting torch assembly 16 is overhanging synchronously, and rotatablely move around the cutter sweep central shaft after extending outside assigned address.
It also can be a plurality of synchronous that the circumgyration incision driver 12 of rotary cutting body 2 can be one; The cutting torch support arm 15 that cooperates with it and cutting torch assembly 16 also can be a plurality of synchronous for being one.The air-supply arrangement 17 that increases, the air port is installed on the cutting torch support arm 15, is used for the air-supply of cutting process, gets rid of fuel gas, reduces the operating environment temperature, and improves security.
On the basis of above-described embodiment, utilize the TT﹠C system of existing cutter sweep to comprise driving control system, fuel gas detection system, system for detecting temperature, cutting speed detection system, infiltration water level detecting system etc., detection system is installed on the device body, the fuel gas, temperature, stake end water level, cut state etc. that are used for operating environment detect, in order to cutting control is adjusted, is improved sharpnes of cuts and operability.
Under body refer to the framework that is fixedly connected with rotary cutting body (2) all parts for connection guiding mechanism (1), and the general name of coming connection guiding mechanism (1) and inner cutter structure (2), infiltration remover 3 company headquarters to divide framework, comprise also that wherein being used for shown in the figure consists of the bearing of rotation mating part etc.
Claims (7)
1. a marine pile pipe inscribe is cut device, mainly formed by guiding mechanism (1) and rotary cutting body (2) integrated connection, it is characterized in that, described guiding mechanism (1) is after the two ends of several drive screws (9) are fixed by body, drive screw (9) forms in relative rotation symmetric support body with body, be provided with the drive nut (10) with drive screw (9) engagement on the every drive screw (9), drive nut (10) and guide support arm (8) the one end hinges that fold, the other end hinge of folding guide support arm (8) is on the body of drive screw (9), and every drive screw (9) consists of driven in synchronism with guiding driver (4) and is connected; Described rotary cutting body (2) is that circumgyration incision driver (12) is installed on the body that cutting mechanism (2) and guiding mechanism (1) connect firmly, driver pinion (13) is installed on its output shaft, driven gear wheel (14) is fixed on the peripheral of body and forms rotation with body and cooperates, driver pinion (13) and driven gear wheel (14) engagement, driven gear wheel (14) forms the slide block endplay device by rocking bar and the cutting torch support arm (15) that is mounted thereon, and cutting torch assembly (16) is installed on cutting torch support arm (15) outer end.
2. marine pile pipe inscribe according to claim 1 is cut device, it is characterized in that: also be fixed with infiltration remover (3) in the bottom of rotary cutting body (2).
3. marine pile pipe inscribe according to claim 1 and 2 is cut device, and it is characterized in that the drive screw (9) of guiding mechanism (1) with guiding driver (4) driving connected mode is: the drive sprocket (5) of guiding driver (4) is connected cooperation by driving-chain (7) with the driven sprocket that is arranged on drive screw (9) (6).
4. marine pile pipe inscribe according to claim 3 is cut device, it is characterized in that: the drive screw (9) of guiding mechanism (1) is set to three or four, the upper configuration of every drive screw (9) two rotating nuts (10), the guide support arm (8) that cooperates with it is two-layer symmetrical, the upper elastic compression mechanism (11) of installing of guide support arm (8); Cutting torch support arm (15) and the cutting torch assembly (16) of rotary cutting body (2) are that two or three are symmetrical.
5. marine pile pipe inscribe according to claim 4 is cut device, it is characterized in that: on the outer break of guide support arm (8) running roller is installed.
6. marine pile pipe inscribe according to claim 4 is cut device, it is characterized in that: the cutting torch support arm (15) of rotary cutting body (2) is installed air-supply arrangement (17).
7. marine pile pipe inscribe according to claim 1 and 2 is cut device, it is characterized in that: also supporting in the device have a TT﹠C system, and this TT﹠C system comprises driving control system, gas detecting system, system for detecting temperature, cutting speed detection system, infiltration water level detecting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295158 CN202684370U (en) | 2012-06-21 | 2012-06-21 | Inner cutting device for offshore pile pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295158 CN202684370U (en) | 2012-06-21 | 2012-06-21 | Inner cutting device for offshore pile pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202684370U true CN202684370U (en) | 2013-01-23 |
Family
ID=47540041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220295158 Expired - Fee Related CN202684370U (en) | 2012-06-21 | 2012-06-21 | Inner cutting device for offshore pile pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202684370U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370231A (en) * | 2014-08-22 | 2016-03-02 | 中国石油化工股份有限公司 | Cutting method for tubular column in oil-gas well |
| CN108772955A (en) * | 2018-08-17 | 2018-11-09 | 中石化石油工程技术服务有限公司 | A kind of high -pressure water cutting Guan Nei executing agencies |
| CN111644687A (en) * | 2020-05-27 | 2020-09-11 | 中国石油天然气集团有限公司 | Crack cutting system |
-
2012
- 2012-06-21 CN CN 201220295158 patent/CN202684370U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370231A (en) * | 2014-08-22 | 2016-03-02 | 中国石油化工股份有限公司 | Cutting method for tubular column in oil-gas well |
| CN108772955A (en) * | 2018-08-17 | 2018-11-09 | 中石化石油工程技术服务有限公司 | A kind of high -pressure water cutting Guan Nei executing agencies |
| CN111644687A (en) * | 2020-05-27 | 2020-09-11 | 中国石油天然气集团有限公司 | Crack cutting system |
| CN111644687B (en) * | 2020-05-27 | 2021-06-15 | 中国石油天然气集团有限公司 | Crack cutting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151109 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20210621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |