CN111992794A - Adjustable in-pile cutting mechanism with full rotation of high-pressure water spray head - Google Patents
Adjustable in-pile cutting mechanism with full rotation of high-pressure water spray head Download PDFInfo
- Publication number
- CN111992794A CN111992794A CN202010836857.2A CN202010836857A CN111992794A CN 111992794 A CN111992794 A CN 111992794A CN 202010836857 A CN202010836857 A CN 202010836857A CN 111992794 A CN111992794 A CN 111992794A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- pressure water
- cutting mechanism
- telescopic
- full rotation
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 title description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 235000004507 Abies alba Nutrition 0.000 description 1
- 241000191291 Abies alba Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- B23D21/00—Machines or devices for shearing or cutting tubes
-
- 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
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides a full-rotation adjustable in-pile cutting mechanism of a high-pressure water sprayer, which comprises a rotary fixing device and a nozzle telescopic device, wherein the high-pressure water pre-mixed abrasive jet cutting technology is adopted for cutting a steel pipe; the invention has the advantages of simple basic parts, high structural strength and strong operational applicability.
Description
Technical Field
The invention belongs to the field of mechanical equipment, and particularly relates to a full-rotation adjustable pile internal cutting mechanism of a high-pressure water nozzle.
Background
The underwater cutting of offshore structures such as underwater foundation piles, marine riser sleeves and underwater Christmas trees of abandoned offshore platforms is difficult for dismantling construction, the cutting position of the steel pipe is below the underwater mud surface, the inner diameter of the steel pipe is oval, welding seams are protruded, barriers such as cement and rust exist on the inner wall of the steel pipe, and the cutting device is difficult to accurately position the cutting distance.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a full-rotation adjustable pile internal cutting mechanism of a high-pressure water spray head.
The technical scheme of the invention is as follows: a high-pressure water spray head full-rotation adjustable in-pile cutting mechanism comprises a rotation fixing device and a nozzle telescopic device, wherein the rotation fixing device comprises a hydraulic power device, a transmission gear and a rotary bearing, the nozzle telescopic device comprises a telescopic oil cylinder, a lengthening device, a connecting plate, a linear guide rail, a nozzle support, a spring, a roller support and a nozzle joint, the hydraulic power device drives the transmission gear to stabilize the nozzle telescopic device through the rotary bearing, the roller support is in direct contact with the inner surface of a steel pipe, the distance between the nozzle and the inner surface of the steel pipe is controlled through the spring, and the linear guide rail is fixed with the telescopic oil cylinder through the connecting plate; the nozzle joint is fixed on the optical axis fixing seat, the optical axis fixing seat is connected with the nozzle support through a bolt, the nozzle support is fixed on the linear guide rail, the nozzle support is provided with a spring telescopic mechanism, and the roller supports and protects the nozzle joint from being damaged by the collision of a pipe wall and an obstacle and keeps a cutting gap of 3mm with the inner wall of the steel pipe.
The nozzle support slides linearly through the linear guide rail.
The length of the rotary nozzle telescopic device is smaller than the diameter of the slewing bearing.
The nozzle joint touches the welding seam, and the cement barrier can be stretched and finely adjusted back and forth along the steel pipe.
The device can adapt to different cutting pipes by changing the length of the lengthening device.
The telescopic oil cylinder can adjust the telescopic length for the second time to adapt to different cutting pipe diameters.
The invention has the advantages of simple basic parts of the executing mechanism, high structural strength and strong operational applicability.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. the device comprises a lengthening device, 2, a connecting plate, 3, a linear guide rail, 4, a nozzle support, 5, a roller support, 6, a spring, 7, a nozzle joint, 8, a rotary bearing, 9, a transmission gear, 10, a hydraulic power device and 11, a telescopic oil cylinder.
Detailed Description
In order to make the technical solution of the present invention more comprehensive, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
A high-pressure water spray head full-rotation adjustable in-pile cutting mechanism comprises a rotation fixing device and a nozzle telescopic device, wherein the rotation fixing device comprises a hydraulic power device 10, a transmission gear 9 and a rotary bearing 8, the nozzle telescopic device comprises a telescopic oil cylinder 11, a lengthening device 1, a connecting plate 2, a linear guide rail 3, a nozzle support 4, a spring 6, a roller support 5 and a nozzle joint 7, the hydraulic power device 10 drives the transmission gear 9 to stabilize the nozzle telescopic device through the rotary bearing 8, the roller support 5 is in direct contact with the inner surface of a steel pipe, the distance between a nozzle and the inner surface of the steel pipe is controlled through the spring 6, and the linear guide rail 3 is fixed with the telescopic oil cylinder 11 through the connecting plate 2; the nozzle joint 7 is fixed on the optical axis fixing seat, the optical axis fixing seat is connected with the nozzle support 4 through bolts, the nozzle support 4 is fixed on the linear guide rail 3, the nozzle support 4 is provided with a spring 6 telescopic mechanism, and the roller support 5 protects the nozzle joint 7 from being damaged by the collision of a pipe wall and an obstacle and keeps a 3mm cutting gap with the inner wall of the steel pipe.
The nozzle support 4 slides linearly through the linear guide 3.
The length of the rotary nozzle telescopic device is smaller than the diameter of the rotary bearing 8.
The nozzle joint 7 can be stretched and finely adjusted back and forth along the steel pipe when touching the welding seam and a cement barrier.
The device can adapt to different cutting pipes by changing the length of the lengthening device 1.
The telescopic oil cylinder 11 can adjust the telescopic length for the second time to adapt to different cutting pipe diameters.
Claims (6)
1. The utility model provides an interior cutting mechanism of stake with adjustable high pressure water jet head is full to be turned round, includes rotary fixing device and nozzle telescoping device, its characterized in that: the rotary fixing device comprises a hydraulic power device (10), a transmission gear (9) and a rotary bearing (8), the nozzle telescopic device comprises a telescopic oil cylinder (11), a lengthening device (1), a connecting plate (2), a linear guide rail (3), a nozzle support (4), a spring (6), a roller support (5) and a nozzle joint (7), the hydraulic power device (10) drives the transmission gear (9) to stabilize the nozzle telescopic device through the rotary bearing (8), the roller support (5) is in direct contact with the inner surface of a steel pipe, the distance between the nozzle and the inner surface of the steel pipe is controlled through the spring (6), and the linear guide rail (3) is fixed with the telescopic oil cylinder (11) through the connecting plate (2); the nozzle joint (7) is fixed on the optical axis fixing seat, the optical axis fixing seat is connected with the nozzle support (4) through bolts, the nozzle support (4) is fixed on the linear guide rail (3), the nozzle support (4) is provided with a spring (6) telescopic mechanism, and the roller supports (5) to protect the nozzle joint (7) from being damaged by the collision of a pipe wall and an obstacle and keep a cutting gap of 3mm with the inner wall of the steel pipe.
2. The adjustable pile internal cutting mechanism with the full rotation of the high-pressure water nozzle as claimed in claim 1, wherein: the nozzle support (4) slides linearly through the linear guide rail (3).
3. The adjustable pile internal cutting mechanism with the full rotation of the high-pressure water nozzle as claimed in claim 1, wherein: the length of the rotary nozzle telescopic device is smaller than the diameter of the rotary bearing (8).
4. The adjustable pile internal cutting mechanism with the full rotation of the high-pressure water nozzle as claimed in claim 1, wherein: the nozzle joint (7) can be stretched and finely adjusted back and forth along the steel pipe when touching the welding seam and a cement barrier.
5. The adjustable pile internal cutting mechanism with the full rotation of the high-pressure water nozzle as claimed in claim 1, wherein: the device can adapt to different cutting pipes by changing the length of the lengthening device (1).
6. The adjustable pile internal cutting mechanism with the full rotation of the high-pressure water nozzle as claimed in claim 1, wherein: the telescopic oil cylinder (11) can adjust the telescopic length for the second time to adapt to different cutting pipe diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836857.2A CN111992794A (en) | 2020-08-19 | 2020-08-19 | Adjustable in-pile cutting mechanism with full rotation of high-pressure water spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836857.2A CN111992794A (en) | 2020-08-19 | 2020-08-19 | Adjustable in-pile cutting mechanism with full rotation of high-pressure water spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111992794A true CN111992794A (en) | 2020-11-27 |
Family
ID=73472820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010836857.2A Withdrawn CN111992794A (en) | 2020-08-19 | 2020-08-19 | Adjustable in-pile cutting mechanism with full rotation of high-pressure water spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111992794A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620837A (en) * | 2020-12-18 | 2021-04-09 | 中广核核电运营有限公司 | Vertical electric spark underwater cutting device for spent fuel assembly of nuclear power station |
-
2020
- 2020-08-19 CN CN202010836857.2A patent/CN111992794A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620837A (en) * | 2020-12-18 | 2021-04-09 | 中广核核电运营有限公司 | Vertical electric spark underwater cutting device for spent fuel assembly of nuclear power station |
| CN112620837B (en) * | 2020-12-18 | 2022-07-15 | 中广核核电运营有限公司 | Vertical electric spark underwater cutting device for spent fuel assembly of nuclear power station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201127 |