CN213104776U - 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
- CN213104776U CN213104776U CN202021736666.0U CN202021736666U CN213104776U CN 213104776 U CN213104776 U CN 213104776U CN 202021736666 U CN202021736666 U CN 202021736666U CN 213104776 U CN213104776 U CN 213104776U
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- nozzle
- pressure water
- telescopic
- cutting mechanism
- full rotation
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model provides a high pressure water spray head full-rotation adjustable in-pile cutting mechanism, which comprises a rotary fixing device and a nozzle telescopic device, the utility model adopts the high pressure water front mixed abrasive jet cutting technology to cut steel pipes, a cutting nozzle is fixed on a shaft support executing mechanism with a linear slide rail telescopic, the nozzle telescopic device carries out central rotary motion along with a rotary bearing, and the rotary bearing is meshed with a hydraulic power mechanism gear; the utility model has the advantages of simple basic parts, high structural strength and strong operation applicability.
Description
Technical Field
The utility model belongs to the mechanical equipment field, concretely relates to cutting mechanism in stake with adjustable water under high pressure shower nozzle gyration is complete.
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 existing in the prior art, the utility model provides a cutting mechanism in stake with adjustable water under high pressure shower nozzle gyration is complete.
The technical scheme of the utility model is that: 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 utility model has the advantages of simple basic parts, high structural strength and strong operation applicability.
Drawings
Fig. 1 is a schematic structural diagram 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 scheme of the utility model more comprehensive, will combine below the utility model discloses an attached drawing is right the technical scheme of the utility model clearly, describe completely.
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 length of the lengthening device (1) is changed to adapt to different cutting pipe diameters.
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 |
|---|---|---|---|
| CN202021736666.0U CN213104776U (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 |
|---|---|---|---|
| CN202021736666.0U CN213104776U (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 |
|---|---|
| CN213104776U true CN213104776U (en) | 2021-05-04 |
Family
ID=75654537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021736666.0U Active CN213104776U (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) | CN213104776U (en) |
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2020
- 2020-08-19 CN CN202021736666.0U patent/CN213104776U/en active Active
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