CN111981233A - Central rotary joint, pipe winder and continuous pipe operation equipment - Google Patents
Central rotary joint, pipe winder and continuous pipe operation equipment Download PDFInfo
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- CN111981233A CN111981233A CN202010728119.6A CN202010728119A CN111981233A CN 111981233 A CN111981233 A CN 111981233A CN 202010728119 A CN202010728119 A CN 202010728119A CN 111981233 A CN111981233 A CN 111981233A
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- Prior art keywords
- flow channel
- rotor
- communicated
- liquid
- rotary joint
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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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/03—Branch units, e.g. made in one piece, welded, riveted comprising junction pieces for four or more pipe members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
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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
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/087—Joints with radial fluid passages
- F16L27/093—Joints with radial fluid passages of the "banjo" type, i.e. pivoting right-angle couplings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The application provides a center rotary joint, reelpipe ware and coiled tubing operation equipment, center rotary joint include dabber and rotor. The dabber includes the portion of cup jointing and forms the installation department in the portion one end of cup jointing, and one side of installation department is formed with the installation face, is formed with a plurality of first liquid mouths on the installation face. Second liquid ports corresponding to the first liquid ports one by one are formed on the rotor. The mandrel is provided with a plurality of runners, a plurality of annular cavities are formed between the sleeving part and the rotor, and each first liquid port is communicated with the annular cavities through the runners. The flow passages comprise a first flow passage, a second flow passage and a third flow passage, and the distance between the axis of at least part of the third flow passage and the axis of the second flow passage communicated with the third flow passage is larger than zero. The application provides a center rotary joint, the distance between the axis through setting up the axis of at least part third runner and the axis of the second runner that communicates with it is greater than zero to not only make center rotary joint's structure compacter, can satisfy the installation demand of each pipeline on the first liquid mouth again.
Description
Technical Field
The application relates to the technical field of oil extraction engineering machinery, in particular to a rotary joint, a pipe coiling device and continuous pipe operation equipment.
Background
In coiled tubing operations, it is common to connect a plurality of conduits to a central swivel, which typically includes a mandrel and a rotor rotatable about the mandrel. The inlet and outlet of the pipeline are connected with the mandrel and the rotor respectively, wherein the pipeline at one end connected with the rotor is wound on the rotor and rotates along with the rotor.
In the prior art, the number of pipelines mounted on the central rotary joint is as many as 20, so that 20 flow channels are formed in the mandrel, and in order to conveniently detach the connecting pipelines, wrench spaces for detaching the pipelines need to be reserved among the flow channels, so that the overall volume of the central rotary joint is large.
Disclosure of Invention
In view of the above, embodiments of the present application are directed to providing a center rotary joint, a pipe rolling device and a coiled tubing operation apparatus, so as to solve the problem of large overall volume of the center rotary joint.
To achieve the above object, a first aspect of embodiments of the present application provides a center rotary joint, including:
the mandrel comprises a sleeve joint part and an installation part formed at one end of the sleeve joint part, wherein an installation surface is formed on one side of the installation part, a preset angle is formed between the installation surface and the cross section of the sleeve joint part, the area of the installation surface is larger than that of the cross section of the sleeve joint part, and a plurality of first liquid ports are formed in the installation surface; and
the rotor is sleeved on the sleeved part, and a plurality of second liquid ports which are communicated with the first liquid ports in a one-to-one correspondence mode are formed in the rotor;
a plurality of flow channels are formed on the mandrel, a plurality of annular cavities are formed between the sleeving part and the rotor, each first liquid port is communicated with each annular cavity through one flow channel, and the plurality of flow channels are not communicated with each other;
the flow channel comprises a first flow channel, a second flow channel and a third flow channel, the second flow channel and the third flow channel are arranged along the axial direction of the mandrel, the second flow channel is communicated with the first flow channel and the third flow channel, the first flow channel is communicated with the annular cavity, the third flow channel is communicated with the first liquid port, and the distance between the axis of at least part of the third flow channel and the axis of the second flow channel communicated with the third flow channel is larger than zero.
Further, the sleeve joint part and the installation part are integrally formed; and/or the presence of a gas in the gas,
the installation part is a cuboid, and the sleeving part is a cylinder; and/or the presence of a gas in the gas,
the mounting surface is rectangular, and a space allowing a wrench to pass through is preset around each first liquid port so as to mount or dismount the pipe joint on or from the first liquid port.
Further, the center rotary joint comprises a first sealing element, a first sealing groove is formed between the rotor and the sleeve joint part, each of the two sides of the annular cavity is provided with the first sealing groove, and the first sealing element is arranged in the first sealing groove.
Further, the central rotary joint comprises a ball, a first raceway is formed on the rotor, a second raceway is formed on the sleeving part, the first raceway and the second raceway are matched to form an annular raceway, and the ball is mounted in the annular raceway.
Further, the center rotary joint comprises a second sealing element, a second sealing groove is formed between the rotor and the sleeve joint part, the second sealing groove is formed in the two sides of the annular roller path, and the second sealing element is arranged in the second sealing groove.
Further, an oil drainage port is formed in the rotor, the oil drainage port is located between the adjacent second sealing groove and the first sealing groove, and the oil drainage port is communicated with the adjacent second sealing groove and the first sealing groove respectively.
Furthermore, the central rotary joint further comprises a pressure regulating piece, a mounting hole is formed in the rotor, the pressure regulating piece is mounted in the mounting hole, the mounting hole is communicated with the annular roller path outwards in the radial direction, and the annular roller path is at least communicated with the two mounting holes.
Further, a preset gap is reserved between the pressure regulating piece and the ball, and the preset gap is smaller than the diameter of the ball.
The application provides a center rotary joint, cross section through installation face and the portion of cup jointing sets up perpendicularly, the direction of installation face has been changed, and the area of installation face is greater than the cross sectional area of the portion of cup jointing, be formed with a plurality of first liquid mouths on the installation face, the distance between the axis of at least part third runner and the axis of the second runner that communicates with it is greater than zero, the two has certain off-centre promptly, make the cross section of the portion of cup jointing reduce by a wide margin, thereby even make center rotary joint's major structure compacter, can satisfy the installation demand of each pipeline on the first liquid mouth again.
A second aspect of an embodiment of the present application provides a tube winding device, including:
a support;
the central rotating joint according to any one of the above embodiments, wherein the mandrel is mounted on the bracket; and
the winding drum is connected with the rotor, and the rotor can rotate under the driving of the winding drum.
The pipe coiling device provided by the embodiment of the application has the same technical effect due to the adoption of the central rotary joint in any one of the embodiments, and the details are not repeated herein.
A third aspect of embodiments of the present application provides coiled tubing work apparatus comprising a pipe reel as provided by the second aspect of the present application.
The coiled tubing operation equipment provided by the embodiment of the application has the same technical effect due to the adoption of the tubing reel provided by the second aspect of the application, and the details are not repeated herein.
Drawings
Fig. 1 is a schematic structural diagram of a central swivel according to an embodiment of the present application;
FIG. 2 is a front view of one orientation of a central swivel provided in one embodiment of the present application;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is an enlarged view of a portion of FIG. 3 at C; and
FIG. 6 is a cross-sectional view of one direction of a rotor provided in accordance with an embodiment of the present application;
FIG. 7 is an enlarged view of a portion of FIG. 6 at D;
FIG. 8 is a schematic view of a mounting surface provided in an embodiment of the present application; and
fig. 9 is a schematic view of the wrench movement range during installation of a pipeline on a mounting surface according to an embodiment of the present application.
Description of reference numerals:
1. a mandrel; 11. a socket joint part; 112. a second raceway; 12. an installation part; 121. a mounting surface; 122. a first fluid port; 13. a flow channel; 131. a first flow passage; 132. a second flow passage; 133. a third flow path; 2. a rotor; 21. a second fluid port; 22. a first raceway; 23. an oil drainage port; 24. mounting holes; 3. an annular cavity; 41. a first seal member; 42. a first seal groove; 51. a second seal, 52, a second seal groove; 6. a ball bearing; 7. an annular raceway; 8. adjusting a pressing piece; 9. a wrench.
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.
The directional terms in the description of the present application are used for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
In a first aspect of the embodiments of the present application, please refer to fig. 1 to 9, which provide a central rotating joint, including a mandrel 1 and a rotor 2 sleeved on the mandrel 1. The mandrel 1 includes a socket 11 and an installation part 12 formed at one end of the socket 11, wherein an installation surface 121 is formed at one side of the installation part 12, the installation surface 121 and the cross section of the socket 11 form a predetermined angle, for example, the installation surface 121 is perpendicular to or approximately 90 degrees with respect to the cross section of the socket 11, and the area of the installation surface 121 is larger than the cross section area of the socket 11. The mounting surface 121 is formed with a plurality of first liquid ports 122, and the rotor 2 is formed with a plurality of second liquid ports 21 communicating with the first liquid ports 122 in a one-to-one correspondence. The mandrel 1 is provided with a plurality of flow channels 13, a plurality of annular cavities 3 are formed between the sleeving part 11 and the rotor 2, each first liquid port 122 is communicated with each annular cavity 3 through one flow channel 13, and the plurality of flow channels 13 are not communicated with each other. The flow channel 13 comprises a first flow channel 131, a second flow channel 132 and a third flow channel 133, wherein the second flow channel 132 and the third flow channel 133 are axially arranged along the mandrel 1, the first flow channel 131 is communicated with the annular cavity 3, and the third flow channel 133 is communicated with the first liquid port 122. The distance between the axis of at least some of the third flow channels 133 and the axis of the second flow channels 132 in communication therewith is greater than zero.
In order to reduce the overall size of the mandrel 1, the cross section of the socket 11 should be as small as possible while ensuring that the mandrel 1 can be provided with the plurality of flow channels 13 corresponding to the first liquid port 122 and the second liquid port 21. Because the first liquid port 122 on the mounting surface 121 is connected with the external pipeline, tools such as the wrench 9 are usually needed when the external pipeline is connected, and the area of the mounting surface 121 is larger than the cross-sectional area of the sleeve joint part 11, so that the tools such as the wrench 9 can smoothly pass through the gap between the first liquid ports 122 to screw the external pipeline. Specifically, referring to fig. 8 to 9, in order to reserve a space allowing an operating tool such as a wrench 9 to pass through around each first fluid port 122 and minimize the area of the mounting surface 121, the position of a part of the first fluid ports 122 is adjusted, that is, the distance between at least a part of the axial lines of the third fluid channels 133 and the axial lines of the second fluid channels 132 communicated therewith is greater than zero, so that the axial lines of a part of the first fluid ports 122 and the axial lines of the second fluid channels 132 communicated therewith do not intersect, and a certain eccentricity e or e' exists between the first fluid ports and the axial lines, and the eccentricity distance can be adjusted according to the operating space of the wrench 9 on the premise that the third fluid channels 133 are communicated with the second fluid channels 132 to meet the flow requirement.
Specifically, the first liquid port 122 may be set to be a liquid inlet, the second liquid port 21 may be a liquid outlet, the second liquid port 21 may also be set to be a liquid inlet, the first liquid port 122 may be a liquid outlet, a part of the first liquid port 122 may also be set to be a liquid inlet, a part of the first liquid port 122 may be a liquid outlet, and accordingly, a part of the second liquid port 21 may be a liquid outlet and a part of the second liquid port 21 may be a liquid inlet. For example, in one embodiment, one first liquid port 122 is a liquid outlet, the second liquid ports 21 connected to the first liquid port 122 are liquid inlets, the remaining first liquid ports 122 are liquid inlets, and the remaining second liquid ports 21 are liquid outlets. The specific settings are selected according to actual needs.
Taking the first liquid port 122 as an example, the specific working process is as follows: liquid such as hydraulic oil, lubricating oil and the like enters the third flow channel 133 from the first liquid port 122, then enters the annular cavity 3 through the second flow channel 132 and the first flow channel 131, then enters the pipeline through the second liquid port 21, the pipeline connected with the second liquid port 21 is wound on the rotor 2 and can rotate together with the rotation of the rotor 2, and due to the existence of the annular cavity 3, the rotor 2 rotates to any angle, the second liquid port 21 is communicated with the annular cavity 3, and therefore when the rotor 2 rotates to any angle, the liquid in the annular cavity 3 can flow out through the second liquid port 21. Conversely, the operation when the second port 21 is an inlet port is similar to the operation when the first port 122 is an inlet port, except that the flow direction of the liquid is reversed.
It can be understood that the annular cavity 3 may be a cavity formed on the socket 11, a cavity formed on the rotor 2, or a cavity partially formed on the socket 11 and partially formed on the rotor 2, please refer to fig. 4, and the annular cavity 3 is formed after the rotor 2 and the socket 11 are matched.
The center rotary joint provided by the present application, through setting up installation face 121 and the cross-section of cup joint portion 11 for predetermineeing the angle, for example perpendicular setting, has converted the direction of installation face 121, has converted in the first liquid mouth 122 and the circulation direction of the interior liquid of second liquid mouth 21 promptly. The area of the mounting surface 121 is larger than the cross-sectional area of the socket 11, a plurality of first liquid ports 122 are formed on the mounting surface 121, and in order to ensure that a space allowing the wrench 9 to pass through is reserved around each first liquid port 122, a distance between an axis of at least part of the third flow channel 133 and an axis of the second flow channel 132 communicated with the third flow channel is larger than zero, that is, the third flow channel and the second flow channel are eccentric to a certain extent, so that the main body structure of the central rotary joint is more compact, and the mounting requirements of pipelines on the first liquid ports 122 can be met.
Because the mounting surface 121 and the cross section of the sleeve joint part 11 are arranged at a preset angle, compared with the cross section of the sleeve joint part 11, a part of the area of the mounting surface 121 is increased and can be controlled within the outer contour range of the rotor 2, or even if the mounting surface 121 exceeds the outer contour range of the rotor 2, the mounting part 12 is arranged at one end of the sleeve joint part 11, so that when the area of the mounting surface 121 is increased, the cross section area of the whole sleeve joint part 11 is not increased, and therefore, the main body structure of the central rotary joint can be controlled to be compact.
In an embodiment, referring to fig. 1 to 3, in the central rotary joint provided by the present application, the sleeve portion 11 and the mounting portion 12 are integrally formed, so that a sealing member does not need to be disposed at a connection position of the flow channel 13 between the sleeve portion 11 and the mounting portion 12, the structure of the central rotary joint is further simplified, the overall size of the central rotary joint is reduced, and meanwhile, the risk of fluid channeling between fluids in the flow channels 13 is reduced.
In an embodiment, referring to fig. 1 and fig. 2, in the central swivel joint provided by the present application, the installation portion 12 is a rectangular parallelepiped, and the sleeve portion 11 is a cylinder. Specifically, installation department 12 is the cuboid, be convenient for fixed mounting dabber 1, prevent that dabber 1 from rotating, first liquid mouth 122 distributes on a face of cuboid, be convenient for install external pipeline on first liquid mouth 122, second liquid mouth 21 distributes on the surface of cylinder, the surface of the portion 11 that cup joints of cylinder and the interior surface cooperation of the rotor 2 of cylinder, realize rotor 2 for 11 pivoted functions of portion that cup joints, and the portion 11 that cup joints of cylinder more is favorable to its inner runner 13 to arrange compacter.
In an embodiment, referring to fig. 1 to 3 and fig. 9, in the central swivel joint provided by the present application, the mounting surface 121 is rectangular, and a space allowing the wrench 9 to pass through is preset around each first fluid port 122, so as to mount the pipe joint on the first fluid port 122 or dismount the pipe joint from the first fluid port 122. Referring to fig. 9, the wrench 9 acts on the external pipe installation member on one first liquid port 122 on the installation surface 121, and applies force to the pipe installation member within the range of the rotation angle α, and similarly, by reasonably arranging the position distribution of the first liquid port 122 on the installation surface 121, it can be ensured that a space which allows the wrench 9 to rotate within a certain angle is provided around each first liquid port 122, so as to ensure that each first liquid port 122 can meet the related installation requirements. By arranging the mounting surface 121 to be rectangular and presetting a space for allowing the wrench 9 to pass around each first liquid port 122, the installation of the pipe joint on the first liquid port 122 is facilitated, and meanwhile, the arrangement of the first liquid ports 122 on the mounting surface 121 is facilitated.
In an embodiment, referring to fig. 3, 4, 6 and 7, the central rotary joint provided by the present application includes a first sealing element 41, a first sealing groove 42 is formed between the rotor 2 and the sleeve joint 11, the first sealing groove 42 is disposed on both sides of each annular cavity 3, and the first sealing element 41 is disposed in the first sealing groove 42. It can be understood that, since the ring cavities 3 are formed at the matching part of the rotor 2 and the socket 11, and mainly liquid flows therein, the liquid in the ring cavities 3 can be prevented from leaking by providing a seal at both sides of each ring cavity 3.
In an embodiment, referring to fig. 3 and fig. 5 to 7, in the central rotary joint provided by the present application, the central rotary joint includes balls 6, a first raceway 22 is formed on the rotor 2, a second raceway 112 is formed on the socket 11, the first raceway 22 and the second raceway 112 cooperate to form an annular raceway 7, and the balls 6 are installed in the annular raceway 7. Through setting up this ball 6 and the structure similar to the bearing that annular raceway 7 cooperatees, when reducing the rotor 2 around the rotatory in-process frictional force of dabber 1, through the setting of the structural style of annular raceway 7, can also provide radial positioning's power for ball 6 when providing the axial positioning power along rotor 2 for ball 6, and need not set up spare parts such as end cover like ordinary bearing to the structure of center rotary joint has been simplified, has reduced its axial dimension, makes the operation of rotor 2 more nimble.
In an embodiment, referring to fig. 3 and fig. 5 to 7, the central rotary joint provided by the present application includes a second sealing element 51, a second sealing groove 52 is formed between the rotor 2 and the sleeve joint portion 11, the second sealing groove 52 is disposed on both sides of the annular raceway 7, and the second sealing element 51 is disposed in the second sealing groove 52. It can be understood that during the process of rolling the ball 6 in the annular raceway 7, grease needs to be filled in the annular raceway 7, and by providing the second sealing elements 51 on both sides of the annular raceway 7 and the second sealing grooves 52 for accommodating the second sealing elements 51, the grease can be effectively prevented from being lost, so as to ensure the normal operation of the ball 6.
Further, in an embodiment, referring to fig. 3 and fig. 5 to 7, in the midline rotary joint provided by the present application, the oil drain port 23 is formed on the rotor 2, the oil drain port 23 is located between the adjacent second seal groove 52 and the first seal groove 42, and the oil drain port 23 is respectively communicated with the adjacent second seal groove 52 and the adjacent first seal groove 42. It can be understood that the annular cavity 3 is a flow passage of liquid such as hydraulic oil, the annular roller path 7 is filled with lubricating grease, and the oil drain port 23 is arranged, so that the mixing and the deterioration of the lubricating grease and the liquid caused by the pressure difference between the annular roller path 7 and the annular cavity 3 can be effectively prevented, and the quality stability of the lubricating grease and the liquid can be effectively improved.
Further, in an embodiment, please refer to fig. 3 and 5, the present application provides that the central rotating joint further includes a pressure regulating member 8, a mounting hole 24 is formed on the rotor 2, and the pressure regulating member 8 is mounted in the mounting hole 24. The mounting holes 24 communicate radially outwardly of the annular raceway 7, and the annular raceway 7 communicates with at least two of the mounting holes 24. Specifically, after the rotor 2 is mounted with the spindle 1, the balls 6 enter the annular raceway 7 through the mounting holes 24, and after the mounting of the balls 6 is completed, grease is filled into the annular raceway 7 through the mounting holes 24. By arranging the annular roller path 7 to be communicated with at least two mounting holes 24, in the process of filling lubricating grease, the lubricating grease is filled from one mounting hole 24, and air in the annular pipeline is discharged through the other mounting hole or holes 24 by adjusting the pressure regulating piece 8 in the other mounting hole or holes 24, so that the pressure difference between the inside and the outside of the annular roller path 7 is eliminated, the condition that the lubricating grease cannot be filled in place or cannot be filled due to the pressure difference between the inside and the outside of the annular roller path 7 is effectively prevented, and the working reliability of the ball 6 is further improved. Specifically, the pressure regulating member 8 may be a bolt, and the adjustment of the pressure difference between the inside and the outside of the annular roller path 7 may be achieved by adjusting the connection length of the bolt and the mounting hole 24.
Further, in an embodiment, referring to fig. 3 and 5, in the central swivel joint provided by the present application, a predetermined gap is left between the pressure adjusting member 8 and the ball 6, and the predetermined gap is smaller than the diameter of the ball 6. Through setting up between pressure regulating part 8 and ball 6 and predetermine the clearance, can prevent that ball 6 from being in the unable normal operating because of being pressed on the inner wall of annular raceway 7 by pressure regulating part 8 at the in-process of operation, and through setting up the diameter that predetermines the clearance and be less than ball 6, can prevent that ball 6 card from can't normal operating in mounting hole 24, prevent simultaneously that ball 6 from running to predetermineeing in the clearance.
A second aspect of an embodiment of the present application provides a tube rolling device, which includes a support, the central rotary joint according to any one of the above embodiments, and a rolling tube. Dabber 1 is installed on the support, and the reel is connected with rotor 2, and rotor 2 can rotate under the drive of reel. Specifically, a continuous pipe connected to the second liquid port 21 on the rotor 2 is wound on a reel, and the reel rotates together with the rotor 2. In a specific application scenario, the rotor 2 is controlled to rotate clockwise or anticlockwise according to the required extension length of the coiled tubing, so that the coiled tubing is wound on the winding drum or released from the winding drum, and in the process, the mandrel 1 is connected with the bracket, so that an external pipeline connected with the first liquid port 122 on the mounting surface 121 can not rotate along with the rotation of the winding drum, and the function that the external pipeline connected with the first liquid port 122 on the central rotary joint does not need to rotate along with the rotation of the coiled tubing connected with the second liquid port 21 is realized.
The pipe coiling device provided by the application has the same technical effect due to the adoption of the central rotary joint in any one of the embodiments, and the details are not repeated herein.
A third aspect of embodiments of the present application provides coiled tubing work apparatus comprising a pipe coiler as provided in the second aspect of the present application. Specifically, the continuous tube is connected to the second liquid port 21 and wound on the reel. And as the reel rotates, the coiled tubing is wound onto or released from the reel.
The utility model provides a coiled tubing operation equipment, owing to adopted the reelpipe ware that this application second aspect provided, therefore have same technological effect, no longer repeated here.
The various embodiments/implementations provided herein may be combined with each other without contradiction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A central swivel joint, comprising:
the mandrel comprises a sleeve joint part and an installation part formed at one end of the sleeve joint part, wherein an installation surface is formed on one side of the installation part, a preset angle is formed between the installation surface and the cross section of the sleeve joint part, the area of the installation surface is larger than that of the cross section of the sleeve joint part, and a plurality of first liquid ports are formed in the installation surface; and
the rotor is sleeved on the sleeved part, and a plurality of second liquid ports which are communicated with the first liquid ports in a one-to-one correspondence mode are formed in the rotor;
a plurality of flow channels are formed on the mandrel, a plurality of annular cavities are formed between the sleeving part and the rotor, each first liquid port is communicated with each annular cavity through one flow channel, and the plurality of flow channels are not communicated with each other;
the flow channel comprises a first flow channel, a second flow channel and a third flow channel, the second flow channel and the third flow channel are arranged along the axial direction of the mandrel, the second flow channel is communicated with the first flow channel and the third flow channel, the first flow channel is communicated with the annular cavity, the third flow channel is communicated with the first liquid port, and the distance between the axis of at least part of the third flow channel and the axis of the second flow channel communicated with the third flow channel is larger than zero.
2. The central swivel joint of claim 1, wherein the socket portion and the mounting portion are integrally formed; and/or the presence of a gas in the gas,
the installation part is a cuboid, and the sleeving part is a cylinder; and/or the presence of a gas in the gas,
the mounting surface is rectangular, and a space allowing a wrench to pass through is preset around each first liquid port so as to mount or dismount the pipe joint on or from the first liquid port.
3. The center rotary joint as set forth in claim 1, wherein said center rotary joint comprises a first seal, a first seal groove is formed between said rotor and said socket, said first seal groove is disposed on both sides of each of said annular cavities, and said first seal is disposed in said first seal groove.
4. The central swivel joint according to claim 3, characterized in that the central swivel joint comprises balls, the rotor is formed with a first raceway, the socket is formed with a second raceway, the first raceway and the second raceway cooperate to form an annular raceway, and the balls are mounted in the annular raceway.
5. The center rotary joint according to claim 4, wherein the center rotary joint comprises a second seal, a second seal groove is formed between the rotor and the socket, the second seal groove is disposed on both sides of the annular raceway, and the second seal is disposed in the second seal groove.
6. The center rotary joint as claimed in claim 5, wherein an oil drain port is formed on the rotor, the oil drain port is located between the adjacent second seal groove and the first seal groove, and the oil drain port is respectively communicated with the adjacent second seal groove and the adjacent first seal groove.
7. The central rotating joint according to any one of claims 4 to 6, further comprising a pressure regulating member, wherein a mounting hole is formed in the rotor, the pressure regulating member is mounted in the mounting hole, the mounting hole is communicated with the outside in the radial direction of the annular rolling path, and the annular rolling path is communicated with at least two mounting holes.
8. The central rotating joint according to claim 7, wherein a preset clearance is left between the pressure regulating member and the ball, the preset clearance being smaller than a diameter of the ball.
9. A tube roller, comprising:
a support;
the central swivel joint of any of claims 1-8, wherein the mandrel is mounted on the support; and
the winding drum is connected with the rotor, and the rotor can rotate under the driving of the winding drum.
10. A coiled tubing work apparatus comprising the pipe reel of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728119.6A CN111981233A (en) | 2020-07-23 | 2020-07-23 | Central rotary joint, pipe winder and continuous pipe operation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728119.6A CN111981233A (en) | 2020-07-23 | 2020-07-23 | Central rotary joint, pipe winder and continuous pipe operation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111981233A true CN111981233A (en) | 2020-11-24 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010728119.6A Pending CN111981233A (en) | 2020-07-23 | 2020-07-23 | Central rotary joint, pipe winder and continuous pipe operation equipment |
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| Country | Link |
|---|---|
| CN (1) | CN111981233A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1435498A (en) * | 1972-06-14 | 1976-05-12 | English Clays Lovering Pochin | Swivel joints for pipes |
| DE4000054A1 (en) * | 1990-01-03 | 1991-07-04 | Georg Schoell | Double hose winch for hydraulic appliances - has support frame, two hose winches, middle shaft and distributor system |
| CN1351238A (en) * | 2000-10-30 | 2002-05-29 | 林郭祥 | Pivot unit and rotary joint therewith |
| CN1488880A (en) * | 2002-10-08 | 2004-04-14 | 上海晔光机电设备有限公司 | Roller-type loose joint |
| CN2750154Y (en) * | 2004-06-14 | 2006-01-04 | 孙珏 | Multiple-pass swivel coupling |
| CN2811656Y (en) * | 2005-08-04 | 2006-08-30 | 杨基东 | Bearing protection structure |
| CN201306553Y (en) * | 2008-08-08 | 2009-09-09 | 铁岭重型机器制造有限公司 | Suspension-type fluid rotary connector |
| CN202252527U (en) * | 2011-10-12 | 2012-05-30 | 湖南特力液压有限公司 | Rotating connector |
| CN206361302U (en) * | 2016-12-12 | 2017-07-28 | 上海宇意机械有限公司 | Multi-channel high-speed chicksan |
| CN206617451U (en) * | 2017-04-18 | 2017-11-07 | 柴金凤 | A kind of elastic axis bearing being convenient to clean |
| CN107684985A (en) * | 2016-08-05 | 2018-02-13 | 塞弗拉合作社 | Swivel joint and the spraying robot including swivel joint |
| CN108105363A (en) * | 2017-11-29 | 2018-06-01 | 中国直升机设计研究所 | A kind of seesaw type unmanned helicopter pitch hinge |
| CN207536938U (en) * | 2017-11-07 | 2018-06-26 | 武汉卡特工业股份有限公司 | Built-in multichannel oil-gas pipeline rotary joint drum-type tube rolling device |
| CN208919515U (en) * | 2018-09-13 | 2019-05-31 | 南京恒昌包装机械有限公司 | A kind of pipeline rotary joint |
| CN110242812A (en) * | 2019-07-04 | 2019-09-17 | 苏州瀚隆石化装备有限公司 | A kind of chicksan |
| CN110397710A (en) * | 2019-08-15 | 2019-11-01 | 洛阳轴承研究所有限公司 | Double dynamical switching device |
| CN210424105U (en) * | 2019-08-27 | 2020-04-28 | 成都汉莎石油科技有限公司 | Dynamic sealing rotary cylinder |
-
2020
- 2020-07-23 CN CN202010728119.6A patent/CN111981233A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1435498A (en) * | 1972-06-14 | 1976-05-12 | English Clays Lovering Pochin | Swivel joints for pipes |
| DE4000054A1 (en) * | 1990-01-03 | 1991-07-04 | Georg Schoell | Double hose winch for hydraulic appliances - has support frame, two hose winches, middle shaft and distributor system |
| CN1351238A (en) * | 2000-10-30 | 2002-05-29 | 林郭祥 | Pivot unit and rotary joint therewith |
| CN1488880A (en) * | 2002-10-08 | 2004-04-14 | 上海晔光机电设备有限公司 | Roller-type loose joint |
| CN2750154Y (en) * | 2004-06-14 | 2006-01-04 | 孙珏 | Multiple-pass swivel coupling |
| CN2811656Y (en) * | 2005-08-04 | 2006-08-30 | 杨基东 | Bearing protection structure |
| CN201306553Y (en) * | 2008-08-08 | 2009-09-09 | 铁岭重型机器制造有限公司 | Suspension-type fluid rotary connector |
| CN202252527U (en) * | 2011-10-12 | 2012-05-30 | 湖南特力液压有限公司 | Rotating connector |
| CN107684985A (en) * | 2016-08-05 | 2018-02-13 | 塞弗拉合作社 | Swivel joint and the spraying robot including swivel joint |
| CN206361302U (en) * | 2016-12-12 | 2017-07-28 | 上海宇意机械有限公司 | Multi-channel high-speed chicksan |
| CN206617451U (en) * | 2017-04-18 | 2017-11-07 | 柴金凤 | A kind of elastic axis bearing being convenient to clean |
| CN207536938U (en) * | 2017-11-07 | 2018-06-26 | 武汉卡特工业股份有限公司 | Built-in multichannel oil-gas pipeline rotary joint drum-type tube rolling device |
| CN108105363A (en) * | 2017-11-29 | 2018-06-01 | 中国直升机设计研究所 | A kind of seesaw type unmanned helicopter pitch hinge |
| CN208919515U (en) * | 2018-09-13 | 2019-05-31 | 南京恒昌包装机械有限公司 | A kind of pipeline rotary joint |
| CN110242812A (en) * | 2019-07-04 | 2019-09-17 | 苏州瀚隆石化装备有限公司 | A kind of chicksan |
| CN110397710A (en) * | 2019-08-15 | 2019-11-01 | 洛阳轴承研究所有限公司 | Double dynamical switching device |
| CN210424105U (en) * | 2019-08-27 | 2020-04-28 | 成都汉莎石油科技有限公司 | Dynamic sealing rotary cylinder |
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