CN110823071A - Sea pipe ovality measuring device - Google Patents
Sea pipe ovality measuring device Download PDFInfo
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- CN110823071A CN110823071A CN201911215019.7A CN201911215019A CN110823071A CN 110823071 A CN110823071 A CN 110823071A CN 201911215019 A CN201911215019 A CN 201911215019A CN 110823071 A CN110823071 A CN 110823071A
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- measuring
- ovality
- sea pipe
- ring
- measuring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
Abstract
The invention discloses a sea pipe ovality measuring device which comprises a fixed frame and one or more circular measuring rings sleeved on the periphery of a sea pipe, wherein the fixed frame is provided with a plurality of circular measuring rings; the measuring ring is arranged in the fixed frame and is connected with the fixed frame through the peripheral side face of the measuring ring, and an inner channel of the measuring ring forms a testing channel for passing a sea pipe. The device for measuring the sea pipe ovality is used for quickly measuring the sea pipe ovality, particularly the ovality of the cut end of the sea pipe, so that a mechanical connector can be smoothly installed at the cut end of the sea pipe in the subsequent process, and the problem of unqualified connector sealing caused by the fact that the sea pipe ovality does not meet the requirement in the sea pipe maintenance process is effectively prevented. The sea pipe ovality measuring device is simple in structure and easy to operate, not only can be operated manually, but also can be operated manually by replacing an ROV (remote operated vehicle) with a manual operation, solves the problem of measuring the ovality of the cut end of the sea pipe in the deep water sea pipe maintenance process, and improves the accuracy and efficiency of deep water sea pipe maintenance.
Description
Technical Field
The invention relates to a marine vessel measuring device, in particular to a marine vessel ovality measuring device.
Background
In recent years, the number of deepwater marine pipes is increasing, and accidents of marine pipe damage are more and more frequent due to the long years of marine pipe design and construction, pipeline corrosion, towing of trawlers and the like. Once the sea pipe is damaged, the sea pipe brings huge threats to the production of marine environment and oil and gas fields. The repair of the marine vessel associated with such sudden damage to the marine vessel is typically accomplished by cutting the damaged marine vessel and then installing a connector at the marine vessel cut-out port for connection to a new marine vessel.
In order to enable the connector to be connected with the cut-off port of the marine vessel in a fitting manner, the ovality of the cross section of the port of the marine vessel before the installation of the port connector of the marine vessel is required to be ensured. The existing pipeline ovality measuring equipment is designed for land test, and no sea pipe ovality measuring tool for underwater use is found, particularly a sea pipe ovality measuring tool for the deep water field of more than 300 meters.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sea pipe ovality measuring device suitable for underwater use.
The technical scheme adopted by the invention for solving the technical problems is as follows: the sea pipe ovality measuring device comprises a fixed frame, one or more circular measuring rings sleeved on the periphery of a sea pipe;
the measuring ring is arranged in the fixed frame and is connected with the fixed frame through the peripheral side face of the measuring ring, and an inner channel of the measuring ring forms a testing channel for passing a sea pipe.
Preferably, the inner peripheral wall surface of the measurement ring is a guide slope inclined with respect to the central axis thereof such that the inner diameter of the measurement ring is gradually reduced from one side to the opposite side.
Preferably, one side of the measuring ring with the larger inner diameter forms an opening side, and the other side with the smaller inner diameter forms an outlet side; the measuring ring is sleeved on the periphery of the sea pipe with the opening side.
Preferably, said sea pipe ovality measuring means comprises one said measuring ring;
the fixed frame comprises a plurality of fixed rods and connecting rods, wherein the fixed rods are distributed at intervals along the circumferential direction of the measuring ring, one end of each fixed rod is connected to the peripheral side face of the measuring ring, and the connecting rods are connected between the other opposite ends of the fixed rods.
Preferably, the length direction of the fixing rod is parallel to the central axis of the measuring ring.
Preferably, the sea pipe ovality measuring device further comprises a handle; the handle is arranged on the fixed rod or the connecting rod.
Preferably, the sea tube ovality measuring device comprises a plurality of said measuring rings; the measuring rings are concentric and have different inner diameters, and the measuring rings are sequentially arranged in the fixed frame at intervals from large to small according to the inner diameters;
the fixed frame comprises at least one group of first fixed rod group connected between the peripheral side surfaces of two adjacent measuring rings, a second fixed rod group connected to the peripheral side surface of the measuring ring with the smallest inner diameter and connected with the first fixed rod group, and a connecting rod group connected to one end, far away from the first fixed rod group, of the second fixed rod group.
Preferably, the first fixing rod group comprises a plurality of first fixing rods, and two opposite ends of each first fixing rod are respectively connected to the peripheral side surfaces of two adjacent measuring rings;
the second fixing rod group comprises a plurality of second fixing rods, and one ends of the second fixing rods are connected to the peripheral side face of the measuring ring with the smallest inner diameter and connected with the corresponding first fixing rods;
the connection rod group includes at least one connection rod connected between opposite ends of the second fixing rods.
Preferably, the length directions of the first fixing rod and the second fixing rod are parallel to the central axis of the measuring ring.
Preferably, the sea pipe ovality measuring device further comprises a handle; the handle is arranged on the first fixed rod group, the second fixed rod group or the connecting rod group.
The device for measuring the sea pipe ovality is used for quickly measuring the sea pipe ovality, particularly the ovality of the cut end of the sea pipe, so that a mechanical connector can be smoothly installed at the cut end of the sea pipe in the subsequent process, and the problem of unqualified connector sealing caused by the fact that the sea pipe ovality does not meet the requirement in the sea pipe maintenance process is effectively prevented. The sea pipe ovality measuring device is simple in structure and easy to operate, not only can be operated manually, but also can be operated manually by replacing an ROV (remote operated vehicle) with a manual operation, solves the problem of measuring the ovality of the cut end of the sea pipe in the deep water sea pipe maintenance process, and improves the accuracy and efficiency of deep water sea pipe maintenance.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural view of a sea pipe ovality measuring apparatus according to a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a sea pipe ovality measuring apparatus according to a first embodiment of the present invention;
FIG. 3 is a schematic structural view of a second embodiment of the sea-pipe ovality measuring apparatus of the present invention;
fig. 4 and 5 are schematic cross-sectional views of a second embodiment of the sea-pipe ovality measuring device according to the present invention for measuring ovality of sea-pipes of different diameters.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the sea pipe ovality measuring apparatus according to the first embodiment of the present invention includes a fixed frame 10, and one or more circular measuring rings 20 for being fitted around the outer circumference of the sea pipe 1.
The measuring ring 20 is arranged in the fixed frame 10, the measuring ring 20 being connected with its peripheral side to the fixed frame 10, the inner channel of the measuring ring 20 forming a test channel 200 for the passage of the sea pipe 1. The fixed frame 10 has a space inside to communicate with the test passage 200, and the end of the sea pipe 1 passing through the test passage 200 can enter the fixed frame 10.
In order to facilitate the installation of the measuring ring 20 on the sea pipe 1, the inner peripheral wall surface of the measuring ring 20 is a guide slope 21 inclined with respect to the central axis thereof, so that the inner diameter of the measuring ring 20 is gradually reduced from one side to the opposite side, and is in a bell mouth shape. Wherein, the side with larger inner diameter of the measuring ring 20 forms the opening side, and the other side with smaller inner diameter forms the outlet side; the measuring ring 20 is fitted to the outer circumference of the sea pipe 1 with the open side.
As shown in fig. 1 and 2, the sea-pipe ovality measuring apparatus of the present embodiment includes a measuring ring 20 for measuring the ovality of the sea-pipe 1 (specifically, the cut end of the sea-pipe) of the corresponding pipe diameter.
In this embodiment, the fixing frame 10 includes a plurality of fixing bars 11 and a connecting bar 12. A plurality of fixing rods 11 are spaced along the circumference of the measuring ring 20, one end of each fixing rod 11 is connected to the outer circumferential side of the measuring ring 20, and the other end thereof extends in a direction parallel to the central axis of the measuring ring 20, so that the length direction of the fixing rod 11 is parallel to the central axis of the measuring ring 20. The connecting rods 12 are connected between the opposite ends of the plurality of fixing rods 11. The connecting rod 12 can be one or more, and a connecting rod 12 can be connected between every two opposite fixing rods 11. A plurality of tie bars 12 are cross-linked to form a support parallel to the radial direction of the measurement ring 20.
In this embodiment, the length direction of the fixing rod 11 is arranged parallel to the central axis of the measuring ring 20, so that there is enough space in the fixing frame 10 to accommodate the part of the marine vessel passing through the measuring ring 20.
Further, the sea pipe ovality measuring apparatus of the present embodiment further includes a handle 30; a handle 30 is provided on the fixed frame 10 for an operator or an ROV (underwater robot) to grasp.
Specifically, the handle 30 may be provided on the fixing lever 11 or the connecting lever 12. The handle 30 is not limited in form and may be a T-shaped handle as shown in FIGS. 1 and 2.
In the present embodiment, the handle 30 is provided on the connecting rod 12, opposite to the open side of the measuring ring 20. At least one diagonal bar 31 may be further disposed between the handle 30 and the connecting rod 12 to enhance the stability of the handle 30 on the fixed frame 10.
When the device for measuring the sea pipe ovality is used, the surface of a sea pipe 1 to be measured is cleaned firstly, then the handle 30 is held by the ROV, the center of the measuring ring 20 of the device for measuring the sea pipe ovality is aligned to the center of the sea pipe 1 for ferrule comparison, and the position of the measuring ring 20 on the sea pipe 1 is adjusted slowly in the ferrule process. If the gap between the outer peripheral surface of the sea pipe 1 and the inner surface (inner peripheral wall surface) of the measuring ring 20 is kept uniform, the measuring ring 20 can be smoothly mounted on the sea pipe 1, and the sea pipe cut end has good ovality and meets the requirement. Otherwise, the ellipticity is proved to be not satisfactory.
As shown in fig. 3 to 5, the sea pipe ovality measuring apparatus according to the second embodiment of the present invention includes a fixing frame 40, one or more circular measuring rings 50 for being fitted to the outer circumference of the sea pipe 2.
The measuring ring 50 is arranged in the fixing frame 40, the measuring ring 50 being connected with its peripheral side to the fixing frame 40, the inner channel of the measuring ring 50 forming a test channel 500 for the passage of the sea pipe 2. The fixed frame 40 has a space inside to communicate with the test channel 400, and the end of the sea pipe 2 passing through the test channel 500 can enter into the fixed frame 40.
In order to facilitate the installation of the measuring ring 50 on the sea pipe 2, the inner peripheral wall surface of the measuring ring 50 is a guide slope 51 inclined with respect to the central axis thereof, so that the inner diameter of the measuring ring 50 is gradually reduced from one side to the opposite side, and is flared. Wherein, the side with larger inner diameter of the measuring ring 50 forms the opening side, and the other side with smaller inner diameter forms the outlet side; the measuring ring 50 is fitted to the outer periphery of the sea pipe 2 with the opening side.
The sea-pipe ovality measuring device of the present embodiment includes a plurality of measuring rings 50 for measuring ovality of sea pipes 2 (specifically, cut ends of sea pipes) of a plurality of different pipe diameters.
The plurality of measurement rings 50 are concentric and have different inner diameters, and the plurality of measurement rings 50 are sequentially arranged at intervals in the fixed frame 40 from large to small according to the inner diameters. In addition, the open sides of the plurality of measurement rings 50 face in the same direction.
In this embodiment, the fixing frame 40 includes at least one first fixing rod group connected between the outer circumferential sides of the adjacent two measuring rings 50, a second fixing rod group connected to the outer circumferential side of the measuring ring 50 having the smallest inner diameter, and a connecting rod group connected to an end of the second fixing rod group remote from the first fixing rod group. The second fixed rod group is also connected with the first fixed rod group to form a whole.
As shown in fig. 3 and 4, the first fixing rod group includes a plurality of first fixing rods 41, and opposite ends of each first fixing rod 41 are respectively connected to the outer peripheral side surfaces of two adjacent measuring rings 50. The second fixing rod group includes a plurality of second fixing rods 42, and one end of each second fixing rod 42 is connected to the outer circumferential side surface of the measuring ring 50 having the smallest inner diameter and is connected to the corresponding first fixing rod 41. The connection rod group includes at least one connection rod 43, and the connection rod 43 is connected between the opposite ends of the second fixing rods 42. The connecting rod 12 may be one or more, and a connecting rod 43 may be connected between every two opposite second fixing rods 42. A plurality of tie bars 43 are cross-linked to form a support parallel to the radial direction of the measurement ring 50.
The length directions of the first fixing rod 41 and the second fixing rod 42 are parallel to the central axis of the measuring ring 50, so that there is enough space in the fixing frame 40 to accommodate the part of the sea pipe passing through the measuring ring 50.
More specifically, in the present embodiment, the measuring ring 50 includes two rings having different inner diameters, and the first fixing rod group includes one group. A plurality of first fixing bars 41 are connected between the outer circumferential sides of the two measuring rings 50; one end of the second fixing rods 42 is connected to the outer circumferential side surface of the measuring ring 50 having a small inner diameter, and the other end extends in a direction away from the measuring ring 50. The connecting rod 43 is located on the side of the measuring ring 50 with the smaller inner diameter facing away from the measuring ring 50 with the larger inner diameter, and is connected between the second fixing rods 42.
Further, the sea-pipe ovality measuring apparatus of the present embodiment further includes a handle 60; a handle 60 is provided on the fixed frame 40 for an operator or an ROV (underwater robot) to grasp.
Specifically, the handle 60 may be provided on the first fixing lever 41, the second fixing lever 42, or the connecting lever 43. The form of the handle 60 is not limited, as may be a T-shaped handle as shown in FIG. 3.
In the present embodiment, the handle 60 is provided on the connecting rod 43, opposite to the open side of the measuring ring 50. At least one inclined rod 61 may be further disposed between the handle 60 and the connecting rod 43 to enhance the stability of the handle 60 on the fixing frame 40.
Referring to fig. 3 and 4, when the sea pipe ovality measuring device of the present embodiment measures the ovality of the sea pipe 2 with a measuring ring 50 having a larger inner diameter, the surface of the sea pipe 2 to be measured is cleaned first, then the handle 60 is grasped by the ROV, the center of the measuring ring 50 having a larger inner diameter of the sea pipe ovality measuring device is aligned with the center of the sea pipe 2 for ferrule comparison, and the position of the measuring ring 50 on the sea pipe 2 is slowly adjusted in the ferrule process. If the gap between the outer peripheral surface of the sea pipe 2 and the inner surface (inner peripheral wall surface) of the measuring ring 50 is kept uniform, the measuring ring 50 can be smoothly mounted on the sea pipe 2, and the sea pipe cut end has good ovality and meets the requirement. Otherwise, the ellipticity is proved to be not satisfactory.
Referring to fig. 3 and 5, when the sea pipe ovality measuring device of the present embodiment measures the ovality of the sea pipe 2 with a measuring ring 50 with a smaller inner diameter, the surface of the sea pipe 2 to be measured is cleaned first, then the handle 60 is grasped by the ROV, the measuring ring 50 of the sea pipe ovality measuring device is aligned with the sea pipe 2, the sea pipe 2 passes through the measuring ring 50 with a larger inner diameter and then penetrates into the measuring ring 50 with a smaller inner diameter, and the position of the measuring ring 50 on the sea pipe 2 is slowly adjusted in the process that the measuring ring 50 with a smaller inner diameter is clamped on the sea pipe 2. If the gap between the outer peripheral surface of the sea pipe 2 and the inner surface (inner peripheral wall surface) of the measuring ring 50 is kept uniform, the measuring ring 50 can be smoothly mounted on the sea pipe 2, and the sea pipe cut end has good ovality and meets the requirement. Otherwise, the ellipticity is proved to be not satisfactory.
It is understood that the sea pipe ovality measuring device of the present invention can be operated by divers to measure sea pipe ovality in shallow waters within 300 m. In a deep water area of more than 300 meters, the measurement of the ovality of the sea pipe can be carried out by ROV operation, and the problem of the ovality measurement of the cut end of the sea pipe in the deep water sea pipe maintenance process is solved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The sea pipe ovality measuring device is characterized by comprising a fixed frame and one or more circular measuring rings sleeved on the periphery of a sea pipe;
the measuring ring is arranged in the fixed frame and is connected with the fixed frame through the peripheral side face of the measuring ring, and an inner channel of the measuring ring forms a testing channel for passing a sea pipe.
2. The marine vessel ovality measuring device according to claim 1, wherein an inner peripheral wall surface of said measuring ring is a guide slope inclined with respect to a central axis thereof such that an inner diameter of said measuring ring is gradually reduced from one side to the opposite other side.
3. The marine vessel ovality measuring device according to claim 2, wherein one side of the measuring ring having a larger inner diameter forms an opening side and the other side having a smaller inner diameter forms an outlet side; the measuring ring is sleeved on the periphery of the sea pipe with the opening side.
4. The marine vessel ovality measuring device of any one of claims 1-3, wherein said marine vessel ovality measuring device comprises one of said measuring rings;
the fixed frame comprises a plurality of fixed rods and connecting rods, wherein the fixed rods are distributed at intervals along the circumferential direction of the measuring ring, one end of each fixed rod is connected to the peripheral side face of the measuring ring, and the connecting rods are connected between the other opposite ends of the fixed rods.
5. The marine vessel ovality measuring device of claim 4, wherein the length direction of the securing bar is parallel to the central axis of the measuring ring.
6. The marine vessel ovality measuring device of claim 4, further comprising a handle; the handle is arranged on the fixed rod or the connecting rod.
7. The marine vessel ovality measuring device of any one of claims 1-3, wherein said marine vessel ovality measuring device comprises a plurality of said measuring rings; the measuring rings are concentric and have different inner diameters, and the measuring rings are sequentially arranged in the fixed frame at intervals from large to small according to the inner diameters;
the fixed frame comprises at least one group of first fixed rod group connected between the peripheral side surfaces of two adjacent measuring rings, a second fixed rod group connected to the peripheral side surface of the measuring ring with the smallest inner diameter and connected with the first fixed rod group, and a connecting rod group connected to one end, far away from the first fixed rod group, of the second fixed rod group.
8. The marine vessel ovality measuring device as claimed in claim 7, wherein said first fixing bar group comprises a plurality of first fixing bars, opposite ends of which are respectively connected to peripheral side surfaces of adjacent two of said measuring rings;
the second fixing rod group comprises a plurality of second fixing rods, and one ends of the second fixing rods are connected to the peripheral side face of the measuring ring with the smallest inner diameter and connected with the corresponding first fixing rods;
the connection rod group includes at least one connection rod connected between opposite ends of the second fixing rods.
9. The marine vessel ovality measuring device of claim 8, wherein the length direction of the first and second securing bars is parallel to the central axis of the measuring ring.
10. The marine vessel ovality measuring device of claim 7, further comprising a handle; the handle is arranged on the first fixed rod group, the second fixed rod group or the connecting rod group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911215019.7A CN110823071A (en) | 2019-12-02 | 2019-12-02 | Sea pipe ovality measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911215019.7A CN110823071A (en) | 2019-12-02 | 2019-12-02 | Sea pipe ovality measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110823071A true CN110823071A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911215019.7A Pending CN110823071A (en) | 2019-12-02 | 2019-12-02 | Sea pipe ovality measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110823071A (en) |
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2019
- 2019-12-02 CN CN201911215019.7A patent/CN110823071A/en active Pending
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