CN110039113A - A kind of diamond fretsaw in-service pipeline cutter device - Google Patents
A kind of diamond fretsaw in-service pipeline cutter device Download PDFInfo
- Publication number
- CN110039113A CN110039113A CN201910365218.XA CN201910365218A CN110039113A CN 110039113 A CN110039113 A CN 110039113A CN 201910365218 A CN201910365218 A CN 201910365218A CN 110039113 A CN110039113 A CN 110039113A
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- China
- Prior art keywords
- guide wheel
- pipeline
- fixed plate
- distance adjustment
- wheel fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
- B23D57/003—Sawing machines or sawing devices working with saw wires, characterised only by constructional features of particular parts
- B23D57/0053—Sawing machines or sawing devices working with saw wires, characterised only by constructional features of particular parts of drives for saw wires; of wheel mountings; of wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
- B23D57/003—Sawing machines or sawing devices working with saw wires, characterised only by constructional features of particular parts
- B23D57/0069—Sawing machines or sawing devices working with saw wires, characterised only by constructional features of particular parts of devices for tensioning saw wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of in-service pipeline diamond wire saw cutting devices, diamond fretsaw is sequentially connected bobbins, guide wheel, vertical guide idlers fixed plate, turning guide wheel fixed plate and idler plate steering shaft are used to adjust diamond fretsaw cut direction, the installation of diced system guide wheel fixed plate is in orbit, track installation is on pedestal top, pedestal lower part is equipped with fixing belt on the outside of the fixed V-block of two groups of symmetrical pipelines and pipeline, distance adjustment transmission mechanism is mounted between two pieces of diced system guide wheel fixed plates, distance adjustment transmission mechanism is equipped with distance adjustment gear, distance adjustment gear connects two rack gears, distance adjustment gear is equipped with handle, distance adjustment gear is turned by handle, two rack gears are driven to do relative motion.The beneficial effects of the invention are as follows machine compacts, are readily disassembled, and are convenient for carrying, and lower equipment and pipeline can be required to carry out on-line period when not stopping work some, the normal operation of equipment and pipeline is had substantially no effect on after sampling.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of diamond fretsaw in-service pipeline cutter device.
Background technique
In the industries such as petroleum, chemical industry, most of pipelines and the equipment work under high temperature, high pressure and corrosive environment for a long time
Make, deterioration and damage can occur for Fine Texture of Material, and mechanical performance can decline, and just send out easily before the service life of design
Raw failure.The current performance and remaining life for how evaluating and predicting these industrial equipments carry out integrity assessment to its structure,
The hot spot always studied both at home and abroad.Currently, traditional material mechanical test method all have to these in-service equipment into
Row destructiveness cutting sampling, is unable to satisfy equipment lossless audio coding requirement, so as to cause stopping work and causing excessively high economic damage
It loses.Under such industrial overall background, numerous test methods for carrying out mechanical property assessment using microspecimen are come into being.It is small
Impact bar test (Small Punch Test, SPT) grows up in recent decades, can be carried out to equipment and materials deterioration
The intimate lossless micro-test sample test method of assessment.However, how to cut micro- damage test block, in equipment so as to further make
It is ready for use on the sample of small punch test, is major issue urgently to be resolved at present.Currently, existing micro- damage sampling equipment on the market
It is broadly divided into machine cuts formula and spark cutting formula two major classes.Small punch test concept proposes that Merchaldi is just designed soon
The mechanical spherical shell sampler of first item is gone out, the cutter form of the sampler is " bowl-shape ", can cut section in equipment surface
For bowed blocky sample.However, such sampling equipment has volume big, the disadvantages of should not carrying.Therefore Rolls-
Royce company improves this kind of mechanical cutting sampling machine, keeps its outer dimension smaller, easy to carry.Nevertheless,
Due to the bowl-like feature that its cutter has, the sample maximum gauge that mechanical sampling equipment takes out at present is still larger, can be to equipment
Bring the damage that can not be repaired.In addition, the equipment must adopt in order to improve cutting accuracy and minimize the damage to equipment
With very thin bowl-shape cutter, but excessively thin cutter easily crumbles in sampling, and since the bowl-shape shape of tool is complicated, processing
It is with high costs, the overall cost of sampler is improved indirectly.And the sample time of electrical fire fancy sampler is too long, cutting efficiency is low
Under.In cutting process, spark discharge, which can generate a large amount of heat, is influencing the mechanical property for cutting sample and pipeline just
Often operation, therefore in-service equipment can not be sampled.
Summary of the invention
The purpose of the present invention is to provide a kind of diamond fretsaw in-service pipeline cutter device, the beneficial effects of the invention are as follows
The pipeline being on active service is cut using diamond fretsaw, makes that it is smaller to in-service equipment damage in cutting process, takes
Sample thickness can be controlled accurately, and calorific value is low when cutting, and machine compact, is readily disassembled, is convenient for carrying, can
On-line period is carried out when pipeline and equipment are not stopped work, and the normal operation of pipeline and equipment is had substantially no effect on after sampling.
The technical scheme adopted by the invention is that including two for being symmetrical arranged and being mounted in diced system guide wheel fixed plate
Group bobbins, guide wheel, vertical guide idlers fixed plate, turning guide wheel fixed plate and idler plate steering shaft, diamond fretsaw are sequentially connected
Bobbins, guide wheel, vertical guide idlers fixed plate, turning guide wheel fixed plate and idler plate steering shaft are used to adjust diamond wire saw cut
Direction, in orbit, for track installation on pedestal top, diced system guide wheel fixed plate can for the installation of diced system guide wheel fixed plate
It is moved along track, pedestal lower part is equipped with fixing belt on the outside of the fixed V-block of two groups of symmetrical pipelines and pipeline, and pipeline is solid
Position can be adjusted by determining V-block, be in close contact pedestal and pipeline outer wall, fixing belt fixes V-type from a side ducts on the outside of pipeline
It is passed through in the preformed hole of block, passes through and be connected on the fixed V-block of another side ducts below pipeline to be cut, keep pedestal secured
Ground is fixed on pipeline outer wall, and distance adjustment transmission mechanism is mounted between two pieces of diced system guide wheel fixed plates, and distance adjustment passes
Motivation structure is equipped with distance adjustment gear, and distance adjustment gear connects two rack gears, and distance adjustment gear is equipped with handle, passes through handle
Hand turns distance adjustment gear, and two rack gears is driven to do relative motion.
Further, fixing belt is made using cortex or steel chain on the outside of pipeline.
Further, the lead screw on diced system guide wheel fixed plate connection motor, opens motor, drives cutting system by lead screw
System guide wheel fixed plate is moved back and forth along guide rail.
Further, cooling-water duct is additionally provided on pedestal, cooling-water duct connects nozzle, and cooling water is logical by cooling water
Road is sprayed from nozzle, is rinsed cooling to cut portion during pipe cutting.
Further, entire diced system guide wheel fixed plate is reinforced by the fixed bracket of triangle.
Detailed description of the invention
Fig. 1 is diamond fretsaw pipe cutting apparatus structural schematic diagram；
Fig. 2 is diamond fretsaw pipe cutting apparatus side view；
Fig. 3 is diamond fretsaw pipe cutting apparatus perspective view.
In figure, 1. bobbins, 2. guide wheels, 3. idler plate steering shafts, 4. tracks, 5. pedestals, 6. diced system guide wheels are fixed
Plate, 7. distance adjustment transmission mechanisms, 8. distance adjustment gears, 9. diamond fretsaws, 10. cooling-water ducts, 11. vertical guide idlers are solid
Fixed board, 12. turning guide wheel fixed plates, the fixed V-block of 13. pipelines, fixing belt on the outside of 14. pipelines, 15. pipelines, 16. motors, 17.
Lead screw, the fixed bracket of 18. triangles, 19. rack gears, 20. nozzles.
Specific embodiment
The present invention is described in detail With reference to embodiment.
A kind of diamond fretsaw in-service pipeline cutter device of the present invention is as shown in Figure 1 to Figure 3, including is symmetrical arranged and installs
Two groups of bobbins 1 in diced system guide wheel fixed plate 6, guide wheel 2, vertical guide idlers fixed plate 11, turning guide wheel fixed plate 12
With idler plate steering shaft 3, diamond fretsaw 9 is sequentially connected bobbins 1, guide wheel 2, and vertical guide idlers fixed plate 11, turning guide wheel are solid
Fixed board 12 and idler plate steering shaft 3 are used to adjust 9 cut direction of diamond fretsaw, and diced system guide wheel is cut fixed board 6 admittedly and is mounted on
On track 4, track 4 is mounted on 5 top of pedestal, and diced system guide wheel fixed plate 6 can be moved along track 4.5 lower part of pedestal peace
Equipped with the fixed V-block 13 of two groups of symmetrical pipelines and fixing belt 14 on the outside of pipeline.The fixed V-block 13 of pipeline can be according to reality
Border situation (different tube diameters etc.) adjusts position, is in close contact pedestal 5 and 15 outer wall of pipeline, fixing belt 14 can be used on the outside of pipeline
Cortex or steel chain are made, and pass through from the preformed hole of the fixed V-block 13 of a side ducts, from 15 lower section of pipeline with cutting
Across being connected on the fixed V-block 13 of another side ducts, pedestal 5 is made to be firmly fixed at 15 outer wall of pipeline.Distance adjustment transmission
Mechanism 7 is mounted between two pieces of diced system guide wheel fixed plates 6, and distance adjustment transmission mechanism 7 is equipped with distance adjustment gear 8, away from
Two rack gears 19 are connected from adjustment gear 8, distance adjustment gear 8 is equipped with handle, distance adjustment gear 8 is turned by handle,
It drives two rack gears 19 to do relative motion, is finally reached the purpose of adjustment 9 length of diamond fretsaw, avoids in cutting process
Overtension, diamond fretsaw 9 may break, and cause danger.Distance adjustment transmission mechanism 7 is utilized according to 15 diameter of pipeline
On distance adjustment gear 8 adjust the distance between guide wheel 2 (length of diamond fretsaw progress cut portion), pass through bobbins
The reciprocating cutting of diamond fretsaw 9 is realized in 1 rotation, and can be in cutting process, according to the tension of diamond fretsaw 9
Size adjusts distance in real time, keeps diamond fretsaw 9 in a safe condition always, will not break.Diced system guide wheel fixed plate 6
The lead screw 17 on motor 16 is connected, motor 16 is opened, drives diced system guide wheel fixed plate 6 past along guide rail 4 by lead screw 17
Multiple movement.Cooling-water duct 10 is additionally provided on pedestal 5, cooling-water duct 10 connects nozzle 20, and cooling water is logical by cooling water
Road 10 is sprayed from nozzle 20, is rinsed cooling in 15 cutting process of pipeline.Entire diced system guide wheel fixed plate 6 can also lead to
The fixed bracket 18 of triangle is crossed to reinforce.
Cutting process: first measurement caliber, 2 distance of guide wheel is adjusted, guarantee cutting when only have diamond fretsaw 9 with
Tube wall is contacted, and is prevented the guide wheel 2 of two sides from being contacted with tube wall, be cut it can not.The ruler for needing material is calculated in advance
Very little size carries out mark in pipeline outer wall, starts to prepare with end for cutting.9 total length of diamond fretsaw is according to live feelings
Depending on condition, guarantee the available enough coolings of diamond fretsaw 9 when cutting.After diamond fretsaw 9 is wound, start
" to knife ", the position for starting the alignment cutting of diamond fretsaw 9.Cut direction is downward perpendicular to 15 transporting direction of pipeline first
Cutting, is cut into a groove.In cutting process, diamond fretsaw 9 can be deformed, and the distance between adjustment guide wheel 2 is adjusted
The tension of whole diamond fretsaw 9, prevents from breaking.In the rear half stage of cut-in groove, the tension of diamond fretsaw 9 is suitably increased,
Make it is straight line as far as possible, and making the groove lower end of cutting is a plane as far as possible, reduces the damage to pipeline 15.When groove is cut
When cutting the depth of needs, 9 cut direction of diamond fretsaw occurs by idler plate steering shaft 3 and turning guide wheel fixed plate 12
Change, allows to carry out horizontal resection along 15 transporting direction of pipeline, and guide wheel 2 will not be cut to.It needs to control at this time
The length of cutting meets test and needs and reduce Cutting Length as far as possible, reduces the damage to pipeline 15.In horizontal resection
Rear half stage, also should suitably increase the tension of diamond fretsaw 9, it is made to cut out plane as far as possible.When the length for cutting to needs
When, equally by idler plate steering shaft 3 and 12 adjustment direction of turning guide wheel fixed plate, it is made to start to transport to perpendicular to pipeline 15
Direction is cut upwards, and whole block material is cut.In cutting process, the cooling cutting part of cooling water can be used if necessary,
So that the temperature of cutting part remains environment temperature, heat affecting of the temperature to sample is cut is avoided.After the completion of cutting,
Package unit is removed.
Diamond fretsaw 9 cuts the speed of steel more compared to conventional mechanical formula sampler and electrical fire fancy sampler speed
Fastly, there is biggish promotion on yield, cutting thickness can be controlled accurately.Package unit operation is fairly simple, does not need specially
Industry training personage is on the scene just operable, at the same install, dismantle it is more convenient, if the ground that pipeline is more severe in environment
Area can also be operated using this covering device.And pipeline is processed using diamond fretsaw, very to the damage of pipeline
It is small.Micro- damage sampling work can be carried out on the pipeline compared with thin pipe wall using thinner scroll saw setting.
The above is only not to make limit in any form to the present invention to better embodiment of the invention
System, any simple modification that embodiment of above is made according to the technical essence of the invention, equivalent variations and modification,
Belong in the range of technical solution of the present invention.
Claims (5)
1. a kind of diamond fretsaw in-service pipeline cutter device, it is characterised in that: including being symmetrical arranged and being mounted on diced system
Two groups of bobbins, guide wheel, vertical guide idlers fixed plate, turning guide wheel fixed plate and idler plate steering shaft in guide wheel fixed plate, gold
Hard rock scroll saw is sequentially connected bobbins, guide wheel, and vertical guide idlers fixed plate, turning guide wheel fixed plate and idler plate steering shaft are used to adjust
Whole diamond fretsaw cut direction, in orbit, track installation is in pedestal top, cutting system for the installation of diced system guide wheel fixed plate
System guide wheel fixed plate can be moved along track, and pedestal lower part is equipped with the fixed V-block of two groups of symmetrical pipelines and pipeline
Outside fixing belt, the fixed V-block of pipeline can adjust position, be in close contact pedestal and pipeline outer wall, from the fixed V of a side ducts
It is passed through in the preformed hole of type block, passes through and be connected on the fixed V-block of another side ducts below pipeline to be cut, keep pedestal firm
Admittedly be fixed on pipeline outer wall, distance adjustment transmission mechanism is mounted between two pieces of diced system guide wheel fixed plates, distance adjustment
Transmission mechanism is equipped with distance adjustment gear, and distance adjustment gear connects two rack gears, and distance adjustment gear is equipped with handle, passes through
Handle turns distance adjustment gear, and two rack gears is driven to do relative motion.
2. according to a kind of in-service pipeline diamond wire saw cutting device described in claim 1, it is characterised in that: on the outside of the pipeline
Fixing belt is made using cortex or steel chain.
3. according to a kind of in-service pipeline diamond wire saw cutting device described in claim 1, it is characterised in that: the diced system
Guide wheel fixed plate connects the lead screw on motor, opens motor, drives diced system guide wheel fixed plate past along guide rail by lead screw
Multiple movement.
4. according to a kind of in-service pipeline diamond wire saw cutting device described in claim 1, it is characterised in that: described on pedestal
It is additionally provided with cooling-water duct, cooling-water duct connects nozzle, and cooling water is sprayed by cooling-water duct from nozzle, in pipe cutting
It is rinsed cooling in the process.
5. according to a kind of in-service pipeline diamond wire saw cutting device described in claim 1, it is characterised in that: the entire cutting
System guide wheel fixed plate is reinforced by the fixed bracket of triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365218.XA CN110039113B (en) | 2019-04-30 | 2019-04-30 | Diamond wire saw is at labour pipeline cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365218.XA CN110039113B (en) | 2019-04-30 | 2019-04-30 | Diamond wire saw is at labour pipeline cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110039113A true CN110039113A (en) | 2019-07-23 |
| CN110039113B CN110039113B (en) | 2020-10-13 |
Family
ID=67280782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910365218.XA Active CN110039113B (en) | 2019-04-30 | 2019-04-30 | Diamond wire saw is at labour pipeline cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110039113B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU102458A1 (en) * | 2021-01-29 | 2021-08-02 | China Univ Of Petroleum Huadong | A cutting device with a diamond wire saw for pipelines in operation |
| CN113280208A (en) * | 2021-05-27 | 2021-08-20 | 北京春海建设发展有限公司 | Buried pipe pipeline repairing device |
| CN114544220A (en) * | 2022-02-08 | 2022-05-27 | 昆明冶金高等专科学校 | Geological tunnel grooving sampling device |
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| US20090293856A1 (en) * | 2008-05-27 | 2009-12-03 | Jenkins Nicholas J T | Underwater diamond wire saw assembly |
| US9919370B1 (en) * | 2008-06-20 | 2018-03-20 | Tetra Technologies, Inc. | Method of cutting target members using a cutting saw device |
| CN101308063A (en) * | 2008-07-16 | 2008-11-19 | 华东理工大学 | On-service equipment micro- test sample electro-spark wire cutting sampling apparatus |
| CN102229009A (en) * | 2011-04-14 | 2011-11-02 | 哈尔滨工程大学 | Variable structure adaptive feed type rope saw |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU102458A1 (en) * | 2021-01-29 | 2021-08-02 | China Univ Of Petroleum Huadong | A cutting device with a diamond wire saw for pipelines in operation |
| CN113280208A (en) * | 2021-05-27 | 2021-08-20 | 北京春海建设发展有限公司 | Buried pipe pipeline repairing device |
| CN114544220A (en) * | 2022-02-08 | 2022-05-27 | 昆明冶金高等专科学校 | Geological tunnel grooving sampling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110039113B (en) | 2020-10-13 |
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Effective date of registration: 20230925 Address after: 266580 No. 66 Changjiang West Road, Huangdao District, Qingdao, Shandong. Patentee after: CHINA University OF PETROLEUM (EAST CHINA) Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Address before: 266580 No. 66 Changjiang West Road, Huangdao District, Qingdao, Shandong. Patentee before: CHINA University OF PETROLEUM (EAST CHINA) |