CN109827624B - Claw type cohesion butt joint mechanism based on underwater flowmeter - Google Patents
Claw type cohesion butt joint mechanism based on underwater flowmeter Download PDFInfo
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- CN109827624B CN109827624B CN201910252997.2A CN201910252997A CN109827624B CN 109827624 B CN109827624 B CN 109827624B CN 201910252997 A CN201910252997 A CN 201910252997A CN 109827624 B CN109827624 B CN 109827624B
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- 238000003756 stirring Methods 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims description 84
- 238000003032 molecular docking Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 10
- 240000007643 Phytolacca americana Species 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 12
- 230000008901 benefit Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003872 anastomosis Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention discloses a claw type cohesion butt joint mechanism based on an underwater flowmeter, which comprises a flowmeter module, wherein the flowmeter module is connected with a runner joint, an installation claw is arranged on the outer wall of the runner joint, the installation claw comprises at least two clamping fingers, and all the clamping fingers are sequentially and annularly arranged to form an installation claw; the tail parts of the clamping fingers are rotatably connected with the runner joint, the head parts of the clamping fingers extend back to the flowmeter module, the outer sliding sleeve of the runner joint is provided with a claw control ring, the claw control ring is held and abutted against all the clamping fingers from the outer side, and the claw control ring axially slides along the runner joint to stir each clamping finger to rotate, so that the head parts of the clamping fingers radially open or close. The invention has the beneficial effects that after the runner joint is in butt joint with the measured pipeline, the claw control ring enables the installation claw to be folded and held on the pipeline, or enables the installation claw to be opened, so that the flowmeter module and the pipeline can be firmly in butt joint and quickly detached.
Description
Technical Field
The invention relates to the field of measuring equipment for underwater operation production, in particular to a claw type cohesion docking mechanism based on an underwater flowmeter.
Background
Multiphase flow meters are devices for online real-time measurement of multiphase flow that are capable of obtaining the flow rate of each single phase in a mixed fluid. In oil gas production, the multiphase flowmeter can perform online real-time measurement without separating oil gas well products, and the collected data are continuous oil and gas well output data, can be used as the basis of oil reservoir management and production optimization, and therefore, the multiphase flowmeter is widely applied.
Conventional surface multiphase flow meters are typically installed on oilfield platforms when used in offshore oilfield development. But for small production wells or remote wells, the construction of the platform results in increased development costs. Patent document CN 206618451U discloses a radioactive source underwater multiphase flowmeter that can be used directly under water. However, for an underwater oil-gas well, the installation and recovery operation of an underwater multiphase flowmeter are difficult to a certain extent, the existing underwater multiphase flowmeter is generally installed on a submarine pipeline joint through an ROV (ROV) of an underwater robot, the connection and disassembly processes of the flowmeter and the underwater pipeline are complex, and the operation difficulty is high; furthermore, in emergency situations, the radiation source flowmeter cannot be quickly disconnected from the subsea pipeline connection. Therefore, the problems of installation, disassembly, quick connection and the like of the underwater multiphase flowmeter need to be comprehensively considered.
Disclosure of Invention
The claw-type cohesion docking mechanism based on the underwater flowmeter provided by the invention has the characteristics of easiness in installation and removal.
The technical proposal is as follows:
the claw type cohesion docking mechanism based on the underwater flowmeter is characterized by comprising a flowmeter module, wherein the flowmeter module is connected with a runner joint, a metering runner is arranged in the flowmeter module, a circular liquid inlet channel and a circular liquid outlet channel are respectively arranged in the runner joint, the liquid inlet channel and the liquid outlet channel are coaxially arranged, the liquid outlet channel surrounds the liquid inlet channel, and the liquid inlet end of the liquid inlet channel and the liquid outlet end of the liquid outlet channel are arranged back to the flowmeter module;
the outer wall of the runner joint is provided with a mounting claw surrounding the liquid outlet end of the liquid outlet channel, the mounting claw comprises at least two clamping fingers, and all the clamping fingers are sequentially and annularly arranged to form the mounting claw;
the tail of the clamping finger is rotatably connected with the flow passage joint, the head of the clamping finger extends back to the flow meter module, a claw control ring is sleeved outside the flow passage joint and axially sleeved on the flow passage joint, the claw control ring is held and abutted against all the clamping fingers from the outer side, and the claw control ring axially slides along the flow passage joint to stir each clamping finger to rotate, so that the head of the clamping finger radially opens or closes.
By adopting the design, the flow passage joint has the advantages that after the flow passage joint is in butt joint with a measured pipeline, when the claw control ring enables the installation claw to fold, the installation claw is held on the pipeline, firm butt joint between the flowmeter module and the pipeline is facilitated, and when the claw control ring enables the installation claw to open, the flowmeter module is easy to separate.
As a preferable technical scheme, the claw control ring is connected with a sliding driving mechanism, and the sliding driving mechanism comprises a shell and a driving rod;
the shell is covered outside the flowmeter module, the shell is fixedly connected with the claw control ring, the shell is provided with the driving rod, and the driving rod is connected with the shell in a autorotation manner;
the flowmeter is characterized in that a driving screw hole is formed in the flowmeter module and parallel to the liquid inlet channel, one end of the driving rod extends out of the shell, the other end of the driving rod extends into the driving screw hole, and the driving rod is in threaded fit with the driving screw hole.
By adopting the design, the flowmeter has the advantages that the shell is driven to move conveniently through the rotation of the driving rod, so that the driving claw is driven to control the ring to slide, the driving structure is simple, the operation is convenient, and the shell also plays a role in protecting the flowmeter module.
As a preferable technical scheme, the claw control ring comprises a sliding ring, a poking finger and a poking finger platform;
the utility model discloses a flow path joint, including installation jaw, slip ring, dial finger, flowmeter module, the slip ring cover is established outside the flow path joint, this slip ring is close to the one end hoop of installation jaw is equipped with a plurality of dial the finger, dial the finger with the card indicates one-to-one, dial the root of finger respectively with slip ring fixed connection, the root of dial the finger is equipped with subtracts strong breach, dial the free end of finger dorsad flowmeter module extends, every dial the free end of finger is equipped with respectively dial the finger platform, dial the radial inward bulge of finger platform, dial the finger platform and lean on the lateral surface of corresponding card finger.
By adopting the design, the clamping jaw control ring has the advantages that the plurality of stirring fingers are arranged, so that the contact part of the clamping jaw control ring and the clamping fingers is not a rigid ring body, the possibility of clamping in the opening and closing process of the installation clamping jaw is reduced, the elasticity of the stirring fingers is further increased by the design of the strength reducing notch, and the reliability of the clamping jaw control ring and the installation clamping jaw in cooperation is ensured.
As a preferable technical scheme, the outer side surface of the clamping finger is fixedly provided with a stirring lug, the stirring lug is close to the tail end of the clamping finger, the stirring lug is positioned between the corresponding sliding ring and the stirring finger platform, and the stirring finger platform is simultaneously contacted with and abutted against the corresponding stirring lug;
when the claw control ring slides forwards and backwards along the flow passage joint shaft, the poking finger platform pushes the outer side surface of the clamping finger or the poking lug so as to poke the clamping finger to rotate.
By adopting the design, the mounting claw has the advantages that the poking lug is arranged to prevent the tail part of the clamping finger from falling out of the claw control ring, and the claw control ring can slide in a smaller distance to realize the opening and closing of the mounting claw.
As an optimal technical scheme, the head of the clamping finger extends beyond the liquid outlet end of the liquid outlet channel to hang in the air, and a clamping finger anti-falling table is arranged on the inner side of the head of the clamping finger.
By adopting the design, the flowmeter has the advantage of further preventing the flowmeter module from falling off after being in butt joint with the pipeline to be tested.
As a preferable technical scheme, an annular clamping finger tail end limiting groove is formed on the runner joint around the liquid outlet channel, the clamping finger tail end limiting groove is positioned between the mounting claw and the flowmeter module, an opening of the clamping finger tail end limiting groove faces the mounting claw, and the tail end of the clamping finger is positioned in the clamping finger tail end limiting groove;
the flow passage connector is provided with an annular clamping shoulder which protrudes outwards in the radial direction around the liquid outlet passage, the annular clamping shoulder is positioned at the opening of the limiting groove at the tail end of the clamping finger, the inner side of the tail end of the clamping finger is fixedly provided with a clamping finger inner hanging boss, the clamping finger inner hanging boss is positioned between the groove bottom of the limiting groove at the tail end of the clamping finger and the annular clamping shoulder, and the clamping finger inner hanging boss is contacted with and abutted against the annular clamping shoulder.
By adopting the design, the clamping finger has the advantages that the clamping finger tail end is limited in the clamping finger tail end limiting groove by the cooperation between the clamping finger inner hanging boss and the annular clamping shoulder, and the space of the clamping finger tail end limiting groove allows the rotation of the clamping finger tail end, so that the clamping finger can be installed and rotated without being directly connected with the runner joint, and the assembly is easy.
As the preferable technical scheme, the inner layer groove wall of the limiting groove at the tail end of the clamping finger is further provided with a circle of rotating piece inserting groove around the liquid outlet channel, the rotating piece inserting groove is close to the annular clamping shoulder, the inner hanging boss of the clamping finger is provided with an inward convex rotating support foot, and the rotating support foot extends into the rotating piece inserting groove.
By adopting the design, the clamping finger has the advantages of providing another pivot for the rotation of the clamping finger, and playing the roles of limiting and improving the rotation stability of the clamping finger.
As a preferable technical scheme, a yielding gap is arranged between any two adjacent clamping fingers in the circumferential direction, a separation block is placed in the yielding gap, and the separation block is fixedly connected with any one of the clamping fingers on two sides of the separation block.
By adopting the design, the device has the advantages that the arrangement of the yielding gap is convenient for the installation of the clamping fingers and provides certain circumferential movement redundancy, and the arrangement of the separation block can avoid the problem that the partial close arrangement of the clamping fingers is crowded and the yielding gap is overlarge, so that the density of all the clamping fingers is proper in the rotation process, and the stability is maintained.
As a preferable technical scheme, the flowmeter module comprises a flowmeter body and a runner steering seat, wherein the flowmeter body is internally provided with the metering runner, the inlet end of the flowmeter body is connected with the runner joint, and the outlet end of the flowmeter body is provided with the runner steering seat;
and a return pipe is connected between the flow passage steering seat and the flow passage connector, one end of the return pipe is communicated with the outlet of the metering flow passage, and the other end of the return pipe is communicated with the inlet of the liquid outlet passage.
By adopting the design, the flow meter has the advantages that the fluid can flow back to the flow passage connector in the flow meter module in a reversing way through the return pipe, and a closed system is formed between the flow passage connector and the pipeline after the flow passage connector is in butt joint.
As the preferred technical scheme, above-mentioned runner joint includes the joint seat, is equipped with the tertiary ladder through-hole that the aperture increases in proper order on this joint seat, wherein the minor-diameter hole orientation flowmeter body and with measurement runner butt joint intercommunication, well footpath downthehole fixed insertion have the feed liquor pipe, the lumen of this feed liquor pipe forms the feed liquor way, this feed liquor way with the minor-diameter hole butt joint and intercommunication, the feed liquor pipe extends into in the major-diameter hole in the tertiary ladder through-hole, the outer tube wall of this feed liquor pipe with form between the pore wall of major-diameter hole the drain way, run through on the pore wall of major-diameter hole and have flowing back via hole, this flowing back via hole forms the import of drain way, this flowing back via hole will the back flow with major-diameter hole intercommunication.
By adopting the design, the device has the advantages that the liquid inlet channel and the liquid outlet channel are integrated together, and the structural design is concise and compact.
The beneficial effects are that: the invention has the beneficial effects that after the runner joint is in butt joint with the measured pipeline, the installation claw is folded and held on the pipeline by the sliding claw control ring, or the installation claw is opened, so that the flowmeter module and the pipeline can be firmly in butt joint and quickly detached.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of section m of FIG. 2;
FIG. 4 is an enlarged view of the portion h of FIG. 3;
FIG. 5 is a schematic structural view of a jaw control ring;
FIG. 6 is a sectional view B-B of FIG. 5;
FIG. 7 is a schematic diagram of a finger structure at a first view angle;
FIG. 8 is a schematic diagram of a finger structure at a second view angle;
fig. 9 is a schematic diagram of a finger structure at a third view angle.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in fig. 1 to 3, a claw-type cohesion docking mechanism based on an underwater flowmeter comprises a flowmeter module, wherein the flowmeter module is connected with a runner joint a2, a metering runner is arranged in the flowmeter module, a circular liquid inlet channel x and a circular liquid outlet channel y are respectively arranged in the runner joint a2, the liquid inlet channel x and the liquid outlet channel y are coaxially arranged, the liquid outlet channel y surrounds the liquid inlet channel x, and the liquid inlet end of the liquid inlet channel x and the liquid outlet end of the liquid outlet channel y are arranged back to the flowmeter module.
The flow meter module comprises a flow meter body a1 and a flow passage steering seat a3, wherein the flow meter body a1 is internally provided with a metering flow passage, the inlet end of the flow meter body a1 is connected with a flow passage joint a2, the outlet end of the flow meter body a1 is provided with the flow passage steering seat a3, a return pipe is connected between the flow passage steering seat a3 and the flow passage joint a2, one end of the return pipe is communicated with the outlet of the metering flow passage, and the other end of the return pipe is communicated with the inlet of the liquid outlet passage y.
The runner joint a2 comprises a joint seat a21, a three-stage stepped through hole with sequentially increased aperture is arranged on the joint seat a21, a small-diameter hole faces the flowmeter body a1 and is in butt joint communication with the metering runner, a liquid inlet pipe a24 is fixedly inserted into a middle-diameter hole, a pipe cavity of the liquid inlet pipe a24 is formed into a liquid inlet channel x, the liquid inlet channel x is in butt joint and communication with the small-diameter hole, the liquid inlet pipe a24 extends into a large-diameter hole in the three-stage stepped through hole, a liquid outlet channel y is formed between an outer pipe wall of the liquid inlet pipe a24 and a hole wall of the large-diameter hole, a liquid discharge through hole a25 is penetrated through a hole wall of the large-diameter hole, the liquid discharge through hole a25 forms an inlet of the liquid outlet channel y, and the liquid discharge through hole a25 is communicated with the large-diameter hole.
As shown in fig. 3, the free end of the runner joint a2 is used for interfacing with a pipe to be measured. The inner side of the outlet of the liquid outlet channel y is also provided with two-stage anastomosis steps, a sealing ring a27 is arranged at the anastomosis step with a larger inner hole at the outer end, and an anastomosis boss a26 is also annularly arranged on the end face of the liquid outlet end of the liquid outlet channel y.
The outer wall of the runner joint a2 surrounds the liquid outlet end of the liquid outlet channel y, and the installation claw a4 is arranged, and comprises at least two clamping fingers a41, and all the clamping fingers a41 are sequentially and annularly arranged to form the installation claw a4.
Referring to fig. 2 and 3, the tail portion of the clamping finger a41 is rotatably connected with the flow passage joint a2, the head portion of the clamping finger a41 extends away from the flow meter module, the flow passage joint a2 is sleeved with a claw control ring a5, the claw control ring a5 is axially slid on the flow passage joint a2, the claw control ring a5 is held and abutted against all the clamping fingers a41 from the outside, and the claw control ring a5 axially slides along the flow passage joint a2 to stir each clamping finger a41 to rotate, so that the head portion of the clamping finger a41 is radially opened or closed.
The jaw manipulation ring a5 is connected with a sliding driving mechanism, and the sliding driving mechanism comprises a shell a0 and a driving rod a6. The shell a0 is covered outside the flowmeter module, the shell a0 is fixedly connected with the claw control ring a5, the shell a0 is provided with the driving rod a6, and the driving rod a6 is connected with the shell a0 in a autorotation mode.
The runner steering seat a3 is provided with a driving screw hole a31, the driving screw hole a31 is parallel to the liquid inlet channel x, one end of the driving rod a6 extends out of the shell a0, the other end of the driving rod a6 extends into the driving screw hole a31, and the driving rod a6 is in threaded fit with the driving screw hole a 31.
As shown in fig. 5 and 6, the jaw manipulation ring a5 includes a sliding ring a53, a toggle finger a52, and a toggle finger table a51. The sliding ring a53 is sleeved outside the runner joint a2, one end of the sliding ring a53, which is close to the installation claw a4, is annularly provided with a plurality of stirring fingers a52, the stirring fingers a52 are in one-to-one correspondence with the clamping fingers a41, the root parts of the stirring fingers a52 are respectively fixedly connected with the sliding ring a53, the root parts of the stirring fingers a52 are provided with reinforcing notches, the free ends of the stirring fingers a52 extend away from the flowmeter module, the free ends of each stirring finger a52 are respectively provided with a stirring finger platform a51, the stirring finger platforms a51 are radially inwards convex, and the stirring finger platforms a51 are attached to the corresponding outer side surfaces of the clamping fingers a 41. The poking finger a52 is also in a outwards convex bending shape, and the poking finger platform a51 is radially inwards convex, so that the inner space of the poking finger a52 can avoid a412, and the rotation of the clamping finger a41 is not influenced.
As shown in fig. 4 and 7-9, a stirring protrusion a412 is fixedly arranged on the outer side surface of the card finger a41, the stirring protrusion a412 is close to the tail end of the card finger a41, the stirring protrusion a412 is located between the corresponding sliding ring a53 and the stirring finger platform a51, and the stirring finger platform a51 is simultaneously in contact with and abuts against the corresponding stirring protrusion a 412. Specifically, the poking finger platform a51 pushes the outer side surface of the clamping finger a41 to enable the front end of the clamping finger a41 to inwards overturn, and at the moment, the installation claw a4 is folded; when the claw control ring a5 slides towards the tail end of the clamping finger a41, the poking finger platform a51 pushes the poking inclined surface to enable the front end of the clamping finger a41 to outwards overturn, and the installation claw a4 is opened in a circumferential direction.
When the claw control ring a5 slides forward and backward along the flow passage joint a2, the poking finger platform a51 pushes the outer side surface of the clamping finger a41 or the poking protruding block a412 so as to poke the clamping finger a41 to rotate.
The head of the clamping finger a41 extends beyond the liquid outlet end of the liquid outlet channel y to hang in the air, and a clamping finger anti-falling table a411 is arranged on the inner side of the head of the clamping finger a 41. When the installation claws a4 are folded, all the claw anti-falling tables a411 form annular claw anti-falling tables.
An annular clamping finger tail end limiting groove a22 is formed in the runner joint a2 around the liquid outlet channel y, the clamping finger tail end limiting groove a22 is located between the mounting jaw a4 and the flowmeter module, an opening of the clamping finger tail end limiting groove a22 faces the mounting jaw a4, and the tail end of the clamping finger a41 is located in the clamping finger tail end limiting groove a 22.
The flow passage joint a2 is provided with a radial outwards protruding annular clamping shoulder a211 around the liquid outlet y, the annular clamping shoulder a211 is positioned at the opening of the clamping finger tail end limiting groove a22, the inner side of the tail end of the clamping finger a41 is fixedly provided with a clamping finger inner hanging boss a413, the clamping finger inner hanging boss a413 is positioned between the groove bottom of the clamping finger tail end limiting groove a22 and the annular clamping shoulder a211, and the clamping finger inner hanging boss a413 is in contact with and propped against the annular clamping shoulder a 211.
A circle of rotating piece slots a23 are further formed on the inner layer slot wall of the clamping finger tail end limiting slot a22 around the liquid outlet channel y, the rotating piece slots a23 are close to the annular clamping shoulder a211, an inward protruding rotating support foot a414 is arranged on the clamping finger inner hanging boss a413, and the rotating support foot a414 stretches into the rotating piece slots a 23. A yielding gap is arranged between any two adjacent clamping fingers a41 in the circumferential direction, a separation block a42 is arranged in the yielding gap, and as shown in fig. 9, the separation block a42 is fixedly connected with any one clamping finger a41 on two sides of the separation block a.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. Claw formula cohesion docking mechanism based on flowmeter under water, its characterized in that: the flow meter comprises a flow meter module, wherein the flow meter module is connected with a flow passage joint (a 2), a metering flow passage is arranged in the flow meter module, a circular liquid inlet passage (x) and a circular liquid outlet passage (y) are respectively arranged in the flow passage joint (a 2), the liquid inlet passage (x) and the liquid outlet passage (y) are coaxially arranged, the liquid outlet passage (y) surrounds the liquid inlet passage (x), and the liquid inlet end of the liquid inlet passage (x) and the liquid outlet end of the liquid outlet passage (y) are arranged back to the flow meter module;
a mounting claw (a 4) is arranged on the outer wall of the runner joint (a 2) around the liquid outlet end of the liquid outlet channel (y), the mounting claw (a 4) comprises at least two clamping fingers (a 41), and all the clamping fingers (a 41) are sequentially and annularly distributed to form the mounting claw (a 4);
the tail parts of the clamping fingers (a 41) are rotatably connected with the runner joint (a 2), the head parts of the clamping fingers (a 41) extend away from the flowmeter module, the runner joint (a 2) is sleeved with a claw control ring (a 5), the claw control ring (a 5) is axially sleeved on the runner joint (a 2), the claw control ring (a 5) is held and abutted against all the clamping fingers (a 41) from the outer side, and the claw control ring (a 5) axially slides along the runner joint (a 2) to stir each clamping finger (a 41) to rotate, so that the head parts of the clamping fingers (a 41) are radially opened or closed;
the claw control ring (a 5) comprises a sliding ring (a 53), a poking finger (a 52) and a poking finger platform (a 51);
the sliding ring (a 53) is sleeved outside the runner joint (a 2), one end of the sliding ring (a 53) close to the installation claw (a 4) is annularly provided with a plurality of stirring fingers (a 52), the stirring fingers (a 52) are in one-to-one correspondence with the clamping fingers (a 41), the root parts of the stirring fingers (a 52) are respectively fixedly connected with the sliding ring (a 53), the root parts of the stirring fingers (a 52) are provided with strength reducing notches, the free ends of the stirring fingers (a 52) extend back to the flowmeter module, the free ends of each stirring finger (a 52) are respectively provided with a stirring finger platform (a 51), the stirring finger platforms (a 51) are radially inwards protruded, and the stirring finger platforms (a 51) are abutted against the outer side surfaces of the corresponding clamping fingers (a 41);
the outer side surface of the clamping finger (a 41) is fixedly provided with a stirring lug (a 412), the stirring lug (a 412) is close to the tail end of the clamping finger (a 41), the stirring lug (a 412) is positioned between the corresponding sliding ring (a 53) and the stirring finger platform (a 51), and the stirring finger platform (a 51) is simultaneously contacted with and abutted against the corresponding stirring lug (a 412);
when the claw control ring (a 5) slides forwards and backwards along the axial direction of the runner joint (a 2), the poking finger platform (a 51) pushes the outer side surface of the clamping finger (a 41) or the poking lug (a 412) so as to poke the clamping finger (a 41) to rotate;
the head of the clamping finger (a 41) extends beyond the liquid outlet end of the liquid outlet channel (y) to hang in the air, and a clamping finger anti-falling table (a 411) is arranged on the inner side of the head of the clamping finger (a 41).
2. The claw-type cohesion docking mechanism based on an underwater flowmeter of claim 1, wherein: the claw control ring (a 5) is connected with a sliding driving mechanism, and the sliding driving mechanism comprises a shell (a 0) and a driving rod (a 6);
the shell (a 0) is covered outside the flowmeter module, the shell (a 0) is fixedly connected with the claw control ring (a 5), the shell (a 0) is provided with the driving rod (a 6), and the driving rod (a 6) is connected with the shell (a 0) in a autorotation manner;
the flowmeter is characterized in that a driving screw hole (a 31) is formed in the flowmeter module, the driving screw hole (a 31) is parallel to the liquid inlet channel (x), one end of a driving rod (a 6) extends out of the shell (a 0), the other end of the driving rod (a 6) extends into the driving screw hole (a 31), and the driving rod (a 6) is in threaded fit with the driving screw hole (a 31).
3. The claw-type cohesion docking mechanism based on an underwater flowmeter of claim 2, wherein: an annular clamping finger tail end limiting groove (a 22) is formed in the runner joint (a 2) around the liquid outlet channel (y), the clamping finger tail end limiting groove (a 22) is positioned between the mounting claw (a 4) and the flowmeter module, an opening of the clamping finger tail end limiting groove (a 22) faces the mounting claw (a 4), and the tail end of the clamping finger (a 41) is positioned in the clamping finger tail end limiting groove (a 22);
the flow passage joint (a 2) is provided with a radial outwards protruding annular clamping shoulder (a 211) around the liquid outlet passage (y), the annular clamping shoulder (a 211) is positioned at the opening of the clamping finger tail end limiting groove (a 22), the inner side of the tail end of the clamping finger (a 41) is fixedly provided with a clamping finger inner hanging boss (a 413), the clamping finger inner hanging boss (a 413) is positioned between the groove bottom of the clamping finger tail end limiting groove (a 22) and the annular clamping shoulder (a 211), and the clamping finger inner hanging boss (a 413) is contacted with the annular clamping shoulder (a 211) and is propped against the annular clamping shoulder.
4. A claw-type cohesion docking mechanism based on an underwater flowmeter according to claim 3, characterized in that: a circle of rotating piece slots (a 23) are further formed in the inner layer slot wall of the clamping finger tail end limiting slot (a 22) around the liquid outlet channel (y), the rotating piece slots (a 23) are close to the annular clamping shoulders (a 211), inward protruding rotating support feet (a 414) are arranged on the clamping finger inner hanging bosses (a 413), and the rotating support feet (a 414) extend into the rotating piece slots (a 23).
5. A claw-type cohesion docking mechanism based on an underwater flowmeter according to claim 3, characterized in that: a yielding gap is arranged between any two adjacent clamping fingers (a 41) in the circumferential direction, a separation block (a 42) is arranged in the yielding gap, and the separation block (a 42) is fixedly connected with any one clamping finger (a 41) on two sides of the separation block.
6. The claw-type cohesion docking mechanism based on an underwater flowmeter of claim 2, wherein: the flowmeter module comprises a flowmeter body (a 1) and a flow passage steering seat (a 3), the flowmeter body (a 1) is internally provided with the metering flow passage, the inlet end of the flowmeter body (a 1) is connected with the flow passage joint (a 2), the outlet end of the flowmeter body (a 1) is provided with the flow passage steering seat (a 3),
a return pipe is connected between the flow passage steering seat (a 3) and the flow passage joint (a 2), one end of the return pipe is communicated with the outlet of the metering flow passage, and the other end of the return pipe is communicated with the inlet of the liquid outlet passage (y).
7. The underwater flowmeter-based claw-type cohesion docking mechanism of claim 6, wherein: the runner joint (a 2) comprises a joint seat (a 21), three-stage stepped through holes with sequentially increased apertures are formed in the joint seat (a 21), small-diameter holes of the three-stage stepped through holes face the flowmeter body (a 1) and are communicated with the metering runner in a butt joint mode, a liquid inlet pipe (a 24) is fixedly inserted into the middle-diameter holes, the pipe cavity of the liquid inlet pipe (a 24) is formed into a liquid inlet channel (x), the liquid inlet channel (x) is in butt joint with the small-diameter holes and are communicated with the liquid inlet pipe (a 24) extends into large-diameter holes in the three-stage stepped through holes, liquid outlet channels (y) are formed between the outer pipe walls of the liquid inlet pipes (a 24) and the hole walls of the large-diameter holes, liquid outlet through holes (a 25) penetrate through the hole walls of the large-diameter holes, inlets of the liquid outlet channels (y) are formed through the liquid outlet through holes (a 25), and the liquid outlet through holes (a 25) are communicated with the large-diameter holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252997.2A CN109827624B (en) | 2019-03-29 | 2019-03-29 | Claw type cohesion butt joint mechanism based on underwater flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252997.2A CN109827624B (en) | 2019-03-29 | 2019-03-29 | Claw type cohesion butt joint mechanism based on underwater flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109827624A CN109827624A (en) | 2019-05-31 |
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| KR200447213Y1 (en) * | 2009-06-18 | 2010-01-08 | 경성제닉스(주) | Union for flow meter |
| CN206862415U (en) * | 2017-06-07 | 2018-01-09 | 赵松盛 | A kind of water flow sensing unit of positive sensing |
| KR101845924B1 (en) * | 2016-10-31 | 2018-04-05 | (주)세바 | A pipe locking structure of a digital flowmeter |
| CN109211348A (en) * | 2017-06-30 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Flow sensor and cleaning device with it |
| CN209400027U (en) * | 2019-03-29 | 2019-09-17 | 海默科技（集团）股份有限公司 | Jack catchs type obvolvent docking mechanism based on underwater flowmeter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE202007012199U1 (en) * | 2007-08-31 | 2007-12-13 | Röhm Gmbh | chuck |
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| DE20221149U1 (en) * | 2001-01-25 | 2005-03-24 | Biermann Martin | Quick coupler, for hose, comprises socket into which hose fits and O-ring fitted between clip and sleeve which can slide axially to lock it in place |
| KR200447213Y1 (en) * | 2009-06-18 | 2010-01-08 | 경성제닉스(주) | Union for flow meter |
| KR101845924B1 (en) * | 2016-10-31 | 2018-04-05 | (주)세바 | A pipe locking structure of a digital flowmeter |
| CN206862415U (en) * | 2017-06-07 | 2018-01-09 | 赵松盛 | A kind of water flow sensing unit of positive sensing |
| CN109211348A (en) * | 2017-06-30 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Flow sensor and cleaning device with it |
| CN209400027U (en) * | 2019-03-29 | 2019-09-17 | 海默科技（集团）股份有限公司 | Jack catchs type obvolvent docking mechanism based on underwater flowmeter |
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| CN109827624A (en) | 2019-05-31 |
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