CN115183070A - Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline - Google Patents
Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline Download PDFInfo
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- CN115183070A CN115183070A CN202210756478.1A CN202210756478A CN115183070A CN 115183070 A CN115183070 A CN 115183070A CN 202210756478 A CN202210756478 A CN 202210756478A CN 115183070 A CN115183070 A CN 115183070A
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- 238000007789 sealing Methods 0.000 claims abstract description 19
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- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
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- 101100042630 Caenorhabditis elegans sin-3 gene Proteins 0.000 description 1
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- 235000012773 waffles Nutrition 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
- F16L27/047—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces held in place by a screwed member having an internal spherical surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
- F16L27/053—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces held in place by bolts passing through flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
- F16L27/06—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces with special sealing means between the engaging surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
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Abstract
The invention discloses a pressure balance type ball sleeve type deformation compensation device and a system thereof for a sea pipeline, wherein the pressure balance type ball sleeve type deformation compensation device for the sea pipeline comprises a flange ball sleeve, a left hemisphere, a right hemisphere, a sliding ring and a pressing sleeve, the flange ball sleeve and the pressing sleeve are connected to form a rotating cavity together, the left hemisphere and the right hemisphere are accommodated in the rotating cavity and can rotate relative to the rotating cavity, the inner sides of the left hemisphere and the right hemisphere form a hollow channel for inserting a main pipeline together, a sealing structure is arranged between the outer side wall of the left hemisphere and the inner side wall of the flange ball sleeve, a sealing structure is arranged between the outer side wall of the right hemisphere and the inner side wall of the pressing sleeve, an annular cavity is formed on the mutually opposite side surfaces of the left hemisphere and the right hemisphere, and the sliding ring is positioned in the annular cavity and is used for being sleeved outside the main pipeline. The pressure balance type ball sleeve type deformation compensation device for the sea pipeline system has the advantages of small size and light weight in the structure of the compensation device.
Description
Technical Field
The invention relates to the technical field of auxiliary structures of a sea pipeline system, in particular to a pressure balance type ball sleeve type deformation compensation device and system for a sea pipeline.
Background
The underwater vehicle realizes mutual coupling and amplification of structural deformation and pipeline system deformation after a large-depth technology, and coordinated compensation or unreasonable design of pipeline system deformation can possibly cause accidents such as pipeline damage and leakage, sealing surface damage, device clamping stagnation and the like, and even serious casualty accidents can be caused in severe cases. Therefore, the large-depth deformation coordination technology of the underwater vehicle is one of key technologies directly related to safety and reliability of the underwater vehicle.
Aiming at the problem, the conventional method of the existing sea pipeline system is to realize the pipeline deformation coordination under the large depth by adopting a displacement compensation device, but the displacement compensation device of the pipeline with the largest depth which is most widely applied at present is in a corrugated pipe or pressure balance type corrugated pipe compensation mode, and has the defects of large size, heavy weight, complexity and difficulty: the corrugated pipe has the advantages of large appearance, heavy weight, complex structure and difficult process, and the commonly adopted multilayer thin-wall corrugated pipe is easy to deform or crack when the pressure resistance is particularly 5.0 MPa.
Disclosure of Invention
The invention mainly aims to provide a pressure balance type ball sleeve type deformation compensation device for a sea pipeline system, aiming at simplifying the structure of the compensation device and simultaneously having small size and light weight.
In order to achieve the above object, the present invention provides a pressure balance type ball sleeve type deformation compensation device for sea pipelines, which comprises a flange ball sleeve, a left hemisphere, a right hemisphere, a slip ring and a pressure sleeve, wherein,
the utility model discloses a main pipeline, including flange ball cover, left hemisphere, right hemisphere, flange ball cover, right hemisphere outside wall, the flange ball cover is connected with pressing the cover and is formed a rotation cavity jointly, left hemisphere and right hemisphere hold in rotating the cavity and can rotate rather than, left hemisphere and right hemisphere inboard form jointly and are used for supplying trunk line male cavity passageway, be provided with seal structure between left hemisphere lateral wall and the flange ball cover inside wall, right hemisphere outside wall and pressing are provided with seal structure between the cover inside wall, the side that left hemisphere and right hemisphere are relative each other is formed with an annular cavity, the sliding ring is located that the annular cavity is inside and is used for overlapping in the trunk line outside.
Preferably, the left hemisphere includes first rotation portion and first supporting part, and the lateral wall of first rotation portion is spherical structure, and the lateral wall of first supporting part is the cylinder structure, and first round hole and the second round hole of coaxial setting are seted up to the inside of left hemisphere, and the diameter of second round hole is greater than the diameter of first round hole, and second round hole and first round hole junction form the step face in order to carry on spacingly to the tip of trunk line.
Preferably, the right hemisphere includes a second rotating portion and a second supporting portion, the outer side wall of the second rotating portion is of a spherical structure, the outer side wall of the second supporting portion is of a cylindrical structure, a groove is formed in one side, close to the right hemisphere, of the first supporting portion, the end portion of the second supporting portion is inserted into the groove of the first supporting portion, and the inner side wall of the second supporting portion forms an annular cavity.
Preferably, the outer side of the second supporting part is convexly provided with a connecting part of a circular ring structure, and the connecting part is abutted against the inner side wall of the pressing sleeve.
Preferably, the first rotating part and the second rotating part are both provided with annular grooves for mounting the sealing rings.
Preferably, the third round hole and the fourth round hole that coaxial setting was seted up to the inside of right hemisphere, the diameter of third round hole is greater than the diameter of fourth round hole, and the diameter of first round hole is the same with fourth round hole diameter, first round hole and fourth round hole and trunk line lateral wall contact, and third round hole inner space forms annular cavity.
Preferably, the second round hole and the fourth round hole are both provided with annular grooves for mounting the sealing ring.
Preferably, a Gray ring and a rubber sealing ring are installed between the slip ring and the right half ball.
The invention further provides a pressure balance type ball sleeve deformation compensation system for the sea pipeline, which comprises the pressure balance type ball sleeve deformation compensation device for the sea pipeline and a main pipeline, wherein the head of the main pipeline is inserted into a channel formed by the left hemisphere and the right hemisphere, and a sliding ring is fixed outside the main pipeline.
Preferably, the right hemisphere, the slip ring and the outer side wall of the main pipeline form an annular balance cavity, and a through hole used for being communicated with the annular balance cavity is formed in the side wall of the main pipeline.
The pressure balance type ball sleeve type deformation compensation system for the sea pipeline, provided by the invention, has the following beneficial effects:
(1) The device overcomes the defects of large size, heavy weight, complex weight and difficulty of the conventional pipeline displacement compensation device, and has the advantages of compact structure, small size, light weight, strong adaptability and the like compared with other corrugated pipe compensation devices with the same drift diameter;
(2) Meanwhile, the multi-degree-of-freedom pipeline compensation capability is realized, and the compensation requirements of most pipelines can be met;
(3) The design principle of the device has wider application field, and can be applied to various liquid media and gas-liquid mixed media through the change of materials;
(4) The device has high structural strength, and can be applied to pipeline displacement compensation involving alternating pressure and alternating temperature under various drift diameters through adaptive design.
Drawings
FIG. 1 is a schematic structural diagram of a pressure balanced ball sleeve type deformation compensation system for a sea pipeline according to the present invention;
fig. 2 is a schematic diagram of the radial compensation principle of the pressure balance type ball sleeve type deformation compensation system for the sea pipeline.
In the figure, 1, a flange ball sleeve, 2, a left hemisphere, 3, a right hemisphere, 4, a sealing structure, 5, a pressing sleeve, 6, a main pipeline, 7, a threaded flange, 8, a sliding ring, 9 and a bolt.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention provides a pressure balance type ball sleeve type deformation compensation system for a sea pipeline.
Referring to fig. 1, in the preferred embodiment, the pressure balance type ball sleeve deformation compensation system for the sea pipeline comprises a pressure balance type ball sleeve deformation compensation device for the sea pipeline and further comprises a main pipeline 6, the head of the main pipeline 6 is inserted into a channel formed by a left hemisphere 2 and a right hemisphere 3, and a sliding ring 8 is further fixed outside the main pipeline 6. A pressure balance type ball sleeve type deformation compensation device for a sea pipeline comprises a flange ball sleeve 1, a left hemisphere 2, a right hemisphere 3, a sliding ring 8 and a pressing sleeve 5, wherein,
The end of the main pipeline 6 departing from the pressure balance type ball sleeve type deformation compensation device is sleeved with a threaded flange 7. And a sealing ring is arranged between the main pipeline 6 and the threaded flange 7.
Specifically, left hemisphere 2 includes first rotation portion and first supporting part, and the lateral wall of first rotation portion is spherical structure, and the lateral wall of first supporting part is the cylinder structure, and first round hole and the second round hole of coaxial setting are seted up to left hemisphere 2's inside, and the diameter of second round hole is greater than the diameter of first round hole, and second round hole and first round hole junction form the step face in order to carry on spacingly to the tip of trunk line 6.
Through the length setting of second round hole, leave the axial displacement space in the assurance device to realize trunk line 6's axial compensation function, in this embodiment, trunk line 6's axial compensation volume reaches 11mm, is better than the 17mm with bearing pressure 0.6MPa bellows compensation arrangement under the latus rectum far away.
Specifically, the flange ball sleeve 1 is connected with the pressing sleeve 5 through the bolt 9 to form a partial spherical space, the left half ball 3, the right half ball 3 and the main pipeline 6 can swing in the partial spherical space, the swing angle is larger than +/-3 degrees, the pipeline angle compensation function is realized, and the pipeline angle compensation function is far better than 1 degree of a corrugated pipe compensation device with the same drift diameter and bearing pressure of 0.6 MPa. The main pipeline 6 can also rotate along the axis to realize the tangential torsion compensation function, but the existing corrugated pipe pressure balance type deformation compensation device cannot be twisted.
The right hemisphere 3 includes second rotation portion and second supporting part, and the lateral wall of second rotation portion is spherical structure, and the lateral wall of second supporting part is the cylinder structure, and first supporting part is close to and sets up flutedly on 3 one sides of right hemisphere, and the tip of second supporting part inserts in the recess of first supporting part, and the inboard wall of second supporting part forms annular cavity.
Furthermore, the outer side of the second supporting part is convexly provided with a connecting part of a circular ring structure, and the connecting part is abutted against the inner side wall of the pressing sleeve 5. The area of the second support part, except for the connecting part, forms an annular space together with the press sleeve 5.
Furtherly, all offer the ring channel that is used for installing the sealing washer on first rotation portion and the second rotation portion. Two annular grooves are formed in the first rotating portion and the second rotating portion, rubber and plastic composite rings are installed in the annular grooves, the rubber and plastic composite rings have good elasticity and abrasion resistance, and the rubber and plastic composite rings are suitable for sealing low-speed rotary motion between spherical surfaces of the ball sleeve compensation device.
Through the clearance seal between first rotation portion and second rotation portion and the ball cover, reduce the clearance as far as possible under the flexible prerequisite of guaranteeing the sphere rotation.
In this embodiment, the third round hole and the fourth round hole that coaxial setting was seted up to right hemisphere 3's inside, and the diameter of third round hole is greater than the diameter of fourth round hole, and the diameter of first round hole is the same with fourth round hole diameter, and first round hole and fourth round hole contact with 6 lateral walls of trunk line, and third round hole inner space forms annular cavity.
In this embodiment, the annular grooves for installing the seal rings are formed in the second round hole and the fourth round hole.
Further, a Gray ring and a rubber seal ring are arranged between the slip ring 8 and the right half ball 3. Specifically, a waffle ring and a rubber seal ring are installed between the slip ring 8 and the inner side wall of the second support (i.e., at the third round hole). Two grooves are formed in the sliding ring 8, one groove is used for mounting the gurley ring, the friction coefficient of the gurley ring is about 20% of that of the rubber sealing ring, the friction resistance of the sliding ring 8 and the main pipeline 6 in movement is reduced, and the other groove is used for mounting the rubber sealing ring to reduce the friction resistance.
Because of there is sliding seal also between slip ring 8 and right hemisphere 3, trunk line 6 and left and right hemisphere 3, in order to guarantee sealed reliable and make trunk line 6 move in a flexible way to seted up the twice fluting on slip ring 8.
Further, the right hemisphere 3, the slip ring 8 and the outer side wall three of the main pipeline 6 form an annular balance cavity, and a through hole used for being communicated with the annular balance cavity is formed in the side wall of the main pipeline 6. The slip ring 8 is welded to the outside of the main pipe 6. When the main pipe 6 moves relative to the pressure balance type ball sleeve deformation compensation device, the driving slip ring 8 also moves together.
The ring-shaped balance cavity is divided into a left part and a right part by the sliding ring 8, and the right side is connected with the inner part of the main pipeline 6The channel is a pressure balance area, and the annular sectional area pi (R) between the inner layer pipeline and the outer layer pipeline in the pressure balance area 2 -r 2 ) = inner pipe sectional area pi r 2 In the process, the hydraulic pressure applied to the pressure balance area is equal to the acting force applied to the inner-layer pipeline, so that the acting force generated by the pressure in the pipeline is eliminated.
In this embodiment, the pressure balance area is designed on the right hemisphere 3, so as to prevent the abrasion or the occlusion phenomenon of the spherical surface due to the excessive contact pressure.
The opening on the right side of the pressing sleeve 5 is larger than the outer diameter of the main pipeline 6, and the size of the opening is flexibly set according to the size of the compensation amount.
This pressure balance formula ball cover type deformation compensation arrangement when the installation, at first, with 6 outside welding sliding rings 8 of trunk line, then, with 6 overcoat left hemisphere 2 and right hemisphere 3 of trunk line to install seal structure 4 in left hemisphere 2 and right hemisphere 3 corresponding groove, at last, sheathe in the flange ball cover 1 and press cover 5 in the left hemisphere 2 and right hemisphere 3 outside, at last, through bolt 9 with flange ball cover 1 and press 5 fastening connection of cover. The main pipeline 6 can swing in the rotating cavity to realize the pipeline angle compensation function; the pipeline can also rotate along the axis, and the tangential torsion compensation function is realized.
The pressure balance type ball sleeve type deformation compensation device has the functions of axial compensation, angle compensation and torsion compensation. Referring to fig. 2, therefore, when two compensating devices are used in pair, radial compensation can also be achieved. The radial compensation X is: x = ± (L + 2L) 0 ) sin3 deg., wherein L 0 The length of the right half of the compensating device is shown, and L is the distance between two compensating devices, which is shown in the attached figure 2.
The material, the structure size and the strength index used by the pressure balance type ball sleeve deformation compensation device can be designed according to the pressure and the working condition of the medium, and the controllability is strong.
The pressure balance type ball sleeve type deformation compensation system for the sea pipeline, provided by the invention, has the following beneficial effects:
(1) The device overcomes the defects of large size, heavy weight, complex weight and difficulty of the conventional pipeline displacement compensation device, and has the advantages of compact structure, small size, light weight and strong adaptability compared with other corrugated pipe compensation devices with the same drift diameter;
(2) Meanwhile, the multi-degree-of-freedom pipeline compensation capability is realized, and the compensation requirements of most pipelines can be met;
(3) The design principle of the device has wider application field, and can be applied to various liquid media and gas-liquid mixed media through the change of materials;
(4) The device has high structural strength, and can be applied to pipeline displacement compensation involving alternating pressure and alternating temperature under various drift diameters through adaptive design.
The invention also provides a pressure balance type ball sleeve type deformation compensation device for the sea pipeline.
In the preferred embodiment, the pressure balance type ball sleeve type deformation compensation device for the sea pipeline comprises a flange ball sleeve 1, a left hemisphere 2, a right hemisphere 3, a sliding ring 8 and a pressing sleeve 5, wherein,
Specifically, left hemisphere 2 includes first rotation portion and first supporting part, and the lateral wall of first rotation portion is spherical structure, and the lateral wall of first supporting part is the cylinder structure, and first round hole and the second round hole of coaxial setting are seted up to left hemisphere 2's inside, and the diameter of second round hole is greater than first round hole, and second round hole and first round hole junction form the step face in order to carry on spacingly to the tip of trunk line 6.
Specifically, right hemisphere 3 includes that the second rotates portion and second supporting part, and the lateral wall that the second rotated the portion is spherical structure, and the lateral wall of second supporting part is the cylinder structure, and first supporting part is seted up flutedly on being close to right hemisphere 3 one side, and the tip of second supporting part inserts in the recess of first supporting part, and the inboard wall of second supporting part forms annular cavity.
Specifically, the outer side of the second supporting portion is convexly provided with a connecting portion of a circular ring structure, and the connecting portion is abutted against the inner side wall of the pressing sleeve 5.
Specifically, all offer the ring channel that is used for installing the sealing washer on first rotation portion and the second rotation portion.
Specifically, the third round hole and the fourth round hole that coaxial setting was seted up to right hemisphere 3's inside, and the diameter of third round hole is greater than the fourth round hole, and the diameter of first round hole is the same with the fourth round hole diameter, and first round hole and fourth round hole contact with 6 lateral walls of trunk line, and third round hole inner space forms annular cavity.
Specifically, an annular groove for mounting the sealing ring is formed in each of the second round hole and the fourth round hole.
Further, a Gray ring and a rubber seal ring are arranged between the slip ring 8 and the right half ball 3. Specifically, a gurley ring and a rubber seal ring are installed between the slip ring 8 and the inner side wall of the second support portion (i.e., the third round hole). Two grooves are formed in the sliding ring 8, one groove is used for mounting the gurley ring, the friction coefficient of the gurley ring is about 20% of that of the rubber sealing ring, the friction resistance of the sliding ring 8 and the main pipeline 6 in movement is reduced, and the other groove is used for mounting the rubber sealing ring to reduce the friction resistance.
Because of the sliding seal between the sliding ring 8 and the right hemisphere 3, and between the main pipeline 6 and the left and right hemispheres 3, the main pipeline 6 can move flexibly to ensure reliable sealing, and two grooves are formed in the sliding ring 8.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.
Claims (10)
1. A pressure balance type ball sleeve type deformation compensation device for a sea pipeline is characterized by comprising a flange ball sleeve, a left hemisphere, a right hemisphere, a sliding ring and a pressing sleeve, wherein,
the utility model discloses a pipeline, including flange ball cover, left hemisphere, right hemisphere, flange ball cover, right hemisphere, left hemisphere and right hemisphere, the flange ball cover is connected with pressing the cover and is formed a rotation cavity jointly, left hemisphere and right hemisphere hold in rotating the cavity and rotatable rather than, left hemisphere and right hemisphere inboard form jointly and are used for supplying trunk line male cavity passageway, be provided with seal structure between left hemisphere lateral wall and the flange ball cover inside wall, right hemisphere lateral wall and pressure cover are provided with seal structure between the inside wall, the side that left hemisphere and right hemisphere are relative mutually is formed with an annular cavity, the sliding ring is located that the annular cavity is inside and is used for overlapping in the trunk line outside.
2. The pressure balance type ball sleeve type deformation compensation device for the sea pipeline as claimed in claim 1, wherein the left hemisphere includes a first rotating portion and a first supporting portion, an outer side wall of the first rotating portion is of a spherical structure, an outer side wall of the first supporting portion is of a cylindrical structure, a first round hole and a second round hole which are coaxially arranged are formed in the left hemisphere, a diameter of the second round hole is larger than a diameter of the first round hole, and a step surface is formed at a joint of the second round hole and the first round hole to limit an end portion of the main pipeline.
3. The pressure balance type ball sleeve type deformation compensation device for the sea pipeline as recited in claim 2, wherein the right hemisphere includes a second rotating portion and a second supporting portion, an outer sidewall of the second rotating portion is a spherical structure, an outer sidewall of the second supporting portion is a cylindrical structure, a groove is formed on a side of the first supporting portion close to the right hemisphere, an end portion of the second supporting portion is inserted into the groove of the first supporting portion, and an inner sidewall of the second supporting portion forms an annular cavity.
4. The pressure balanced type ball sleeve type deformation compensating device for sea going pipeline according to claim 3, wherein the outer side of the second supporting portion is protruded with a connecting portion of a circular ring structure, and the connecting portion abuts against the inner side wall of the pressing sleeve.
5. The pressure balanced type ball sleeve type deformation compensation device for the sea pipeline as recited in claim 3, wherein the first rotation part and the second rotation part are provided with annular grooves for mounting the sealing rings.
6. The pressure balance type ball sleeve type deformation compensation device for the sea pipeline as claimed in claim 3, wherein a third circular hole and a fourth circular hole are coaxially formed in the right hemisphere, the diameter of the third circular hole is larger than that of the fourth circular hole, the diameter of the first circular hole is the same as that of the fourth circular hole, the first circular hole and the fourth circular hole are in contact with the outer side wall of the main pipeline, and an annular cavity is formed in the inner space of the third circular hole.
7. The pressure balance type ball sleeve type deformation compensation device for the sea pipeline as claimed in claim 3, wherein annular grooves for mounting sealing rings are provided in the second circular hole and the fourth circular hole.
8. The pressure-balanced ball-and-socket-type deformation compensating device for sea pipelines according to any one of claims 1 to 7, wherein a Glyd ring and a rubber seal ring are installed between the slip ring and the right hemisphere.
9. The pressure balance type ball sleeve type deformation compensation system for the sea pipeline is characterized by comprising the pressure balance type ball sleeve type deformation compensation device for the sea pipeline as claimed in any one of claims 1 to 8, and further comprising a main pipeline, wherein the head of the main pipeline is inserted into a channel formed by the left hemisphere and the right hemisphere, and a sliding ring is further fixed on the outer portion of the main pipeline.
10. The pressure balance type ball sleeve type deformation compensation system for the sea pipeline as claimed in claim 9, wherein the right hemisphere, the slip ring and the outer sidewall of the main pipeline form an annular balance cavity, and a through hole for communicating with the annular balance cavity is formed on the sidewall of the main pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210756478.1A CN115183070B (en) | 2022-06-29 | 2022-06-29 | Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210756478.1A CN115183070B (en) | 2022-06-29 | 2022-06-29 | Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline |
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| CN115183070A true CN115183070A (en) | 2022-10-14 |
| CN115183070B CN115183070B (en) | 2024-04-26 |
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| CN115183070B (en) | 2024-04-26 |
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