CN106195444A - Locking device for snap joint under water - Google Patents

Locking device for snap joint under water Download PDF

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Publication number
CN106195444A
CN106195444A CN201610795337.5A CN201610795337A CN106195444A CN 106195444 A CN106195444 A CN 106195444A CN 201610795337 A CN201610795337 A CN 201610795337A CN 106195444 A CN106195444 A CN 106195444A
Authority
CN
China
Prior art keywords
collet
joint
finger
fixing
mobile terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610795337.5A
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Chinese (zh)
Inventor
邱红祥
顾临怡
吴新然
刘晨曦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Yukong Mechanical & Electrical Engineering Co Ltd
Original Assignee
Hangzhou Yukong Mechanical & Electrical Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Yukong Mechanical & Electrical Engineering Co Ltd filed Critical Hangzhou Yukong Mechanical & Electrical Engineering Co Ltd
Priority to CN201610795337.5A priority Critical patent/CN106195444A/en
Publication of CN106195444A publication Critical patent/CN106195444A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/01Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12Laying or reclaiming pipes on or under water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12Laying or reclaiming pipes on or under water
    • F16L1/20Accessories therefor, e.g. floats, weights

Abstract

The present invention relates to Multifunctional quick joint under water, it is desirable to provide for the locking device of snap joint under water.This locking device being used for snap joint under water includes mobile terminal and fixing end, and mobile terminal is installed female joint, and fixing end is installed male joint, and the docking of mobile terminal and fixing end can make male joint and female joint quickly connect.The present invention has the effect being simultaneously connected with multiple joint under water, this retaining mechanism can utilize worm gear device can carry out the amplification of moment of torsion easily by ROV Robot actions, reduce the requirement to ROV, it is applicable to environments such as subsea particularly deep-sea, the most easy-operating environment of diver.

Description

Locking device for snap joint under water
Technical field
The present invention is about Multifunctional quick joint technical field under water, particularly to the locking for snap joint under water Device.
Background technology
At present, the resource in seabed is not the most fully used, and we should utilize the permissible of seabed to the full extent The resource utilized, such as natural gas, oil etc., but owing to the operating mode in seabed differs widely with land, it is therefore desirable to some are special Different equipment completes the requirement of some specific operations, for attachment means under water, how to operate ROV to complete some Business, such as guides, the action such as locking, is at this moment accomplished by more specific devices and completes.
In the locking device of traditional snap joint under water, it is the mode directly using screw-threaded coupling mostly, i.e. utilizes Screwing of screw thread realizes sealing reliably between multiple male joint with corresponding female joint, is used for realizing the connection of pipeline.By Easily occurring thread alternating to cause the damage of screw thread in threaded engagement, the deposit (such as Corallium Japonicum Kishinouye, calcium carbonate etc.) in seabed is the easiest Screw thread deposits and hinders screwing of screw thread to make screw thread generation stuck, if screw thread occurs stuck during unlocking Situation, the most just cannot make male joint and female joint realize departing from, cause immeasurable economic loss, comprehensive above all former Cause, the reliability of traditional screw-type retaining mechanism is the highest, and needing design one to be applicable under environments such as subsea can be real reliably The locking device of Multifunctional quick joint the most under water.
Summary of the invention
Present invention is primarily targeted at and overcome deficiency of the prior art, it is provided that higher the quickest of a kind of reliability The locking device of joint.For solving above-mentioned technical problem, the solution of the present invention is:
Locking device for snap joint under water is provided, including mobile terminal and fixing end, mobile terminal is installed female joint, Installing male joint on fixing end, the docking of mobile terminal and fixing end can make male joint and female joint quickly connect, described mobile terminal Including power transmission shaft, feather key, worm gear device, anti-rotational boss, female joint installing plate, transmission nut, interior lead, lead outward Xiang Zhu, collet, outer sleeve;
Described interior lead is the lead of cylindrical shape, and the rear end face of interior lead is provided with one and has (6) spiral shell The flange of nail, for connecting with female joint installing plate, and the front end of flange is machined with boss, is used for ensureing that interior lead is with female Joint installing plate is coaxial;The front inner surface of interior lead is provided with the annular boss along the circumferential direction gone up and (is similar to a bridge of the nose Structure), for and collet finger coordinate (when finger slips into boss, finger is compressed, and the clamping force of center roller increases, When finger skids off boss, finger-expanding, the clamping force of center roller reduces);
Described collet be rear end be that flange, front end are provided inwardly with the collet of raised structures and (insert at collet During entering mandrel, the raised structures of front end can open until being inserted into the flange contact with mandrel);The front end band of collet Flexible chuck finger, and collet finger is evenly distributed on the circumferencial direction of front end;Each collet finger is respectively Being connected with the collet support beam of a thin wall shape, each collet finger and collet support beam along the circumferential direction go up Evenly distributed, and between each collet support beam and between collet finger, leave space, collet support beam Can be compressed in radial directions;Each collet finger is connected to collet by middle collet support beam On flange, each collet finger forms 1 simple beam structure with the flange section of collet rear end respectively, each to realize Individual collet finger can compress in radial directions or uphold;The rear end of collet the most uniformly has 6 unthreaded holes, For corresponding with 6 screwed holes on transmission nut, wherein 3 spans are uniform, are used for installing shear pin, other 3 holes For as seawater circulation hole;
Described transmission nut is the nut that center has the cylindrical shape structure in trapezoidal thread hole, and the trapezoidal thread at center Match installation with the trapezoidal thread on power transmission shaft in hole;Two platforms it are symmetrily processed with on the back end cylindrical face of transmission nut, flat It is threaded hole on platform respectively, installs for coordinating with anti-rotational boss;
Described anti-rotational boss is the cylindrical shape structural bosses with shoulder hole, along being axially machined with of anti-rotational boss The screwed hole of countersunk head type, for connecting with transmission nut;
Described outer sleeve is the outer sleeve of tubular structure, and the rear end face of outer sleeve is along the circumferential direction gone up and is uniformly machined with 8 Screw hole, for connecting with worm gear device;Rearward end at outer sleeve has two intervals 180 degree, axial stopper slot, For limiting the axially-movable of anti-rotational boss;
Described worm gear device includes worm screw, worm gear, worm and gear shell, handle, T handle, and worm and worm wheel are arranged on In worm and gear shell, handle is arranged on worm and gear shell, and T handle and worm screw are rotationally connected;By being rotatably connected on worm screw On T handle, worm and gear can be driven to rotate, can be transmitted motion on transmission nut by trapezoidal thread;
Described feather key is a rectangular-shaped device, and the surface of feather key has two screwed holes;Feather key profit It is connected on the outer lead of mobile terminal with screw, guides for mobile terminal and fixing end are correctly inserted into offer;
Being used for installing female joint on described female joint installing plate, the female joint of installation is used for and the upper public access installed of fixing end Head is corresponding, to realize oil circuit or electric break-make;
Described fixing end includes collet mandrel, male joint installing plate, outer guide sleeve cylinder, fixed installation plate, interior guiding Sleeve;It is used for installing male joint, collet mandrel and interior pilot sleeve on described male joint installing plate and is fixed on male joint peace On the fixing end of dress plate side;Described interior pilot sleeve is a cylindrical tubular structure, and its front end boss ring flange has 6 Individual screw hole, utilizes screw to be connected on male joint installing plate, rear end face has 6 unthreaded holes, is used for installing collet mandrel; The rear end of collet mandrel is radially uniform is machined with six holes, for being connected by screw with interior pilot sleeve rear end face;Institute The end cap stating collet mandrel is cylindrical structure, and cylindrical front end is provided with the inclined-plane of High angle, and (gradient on inclined-plane is 30 degree), for being conveniently inserted into collet;
Described outer guide sleeve cylinder is specifically arranged on the sleeve outside fixing end, and the bottom end face of outer guide sleeve cylinder is provided with spiral shell Pit, is fixed on male joint installing plate by this screwed hole, coordinates for the outer lead with mobile terminal, is moved easily end and inserts Enter in fixing end;
Described fixed installation plate is the carrier of male joint, and fixed installation plate is by screw and interior pilot sleeve, outer guide sleeve Cylinder is connected;Male joint fixing on fixed installation plate, for and mobile terminal on female joint dock, with realize oil circuit or Electric break-make;
When mobile terminal and fixing end locking, by the axially-movable of collet, collet finger is made to shrink or expansion, When on collet finger motion to the boss of interior lead, collet finger is compressed, when collet finger is from interior When sliding on the boss of lead, collet finger-expanding is opened;When collet finger-expanding is opened when, the collet heart Axle can slip into collet finger interior, when collet rearward movement, to bullet when that collet finger shrinking Property chuck mandrel clamping force be gradually increased, just produce axial tension between collet and collet mandrel, promote mother to connect Head, male joint and then realization seal.
In the present invention, described female joint installing plate is provided with eight female joints, male joint installing plate is provided with eight Individual male joint.
In the present invention, the collet finger of described collet front end is provided with 6.
In the present invention, the described locking device for snap joint under water also includes anti-deposit guard shield, anti-deposit The stopper slot of outer sleeve can be hidden by guard shield, prevents the bottom sediment pollution to motion thread;On anti-deposit guard shield Also have aperture, be used for making inside, mobile terminal connect with sea water, prevent from forming hydraulic lock.
The retaining mechanism of the present invention is mainly by worm gear device, power transmission shaft, transmission nut, anti-rotational boss, elastic clip Head, interior lead, collet mandrel, interior pilot sleeve etc. form.First, ROV manipulator rotates worm gear device In T handle, transfer torque to worm and gear, and worm gear and power transmission shaft fixed, therefore, by ROV export moment of torsion be delivered to On power transmission shaft, the motion on power transmission shaft axial direction is limited by end face and the worm and gear of outer sleeve, transmission nut and transmission Axle is coordinated by trapezoidal thread, together with anti-rotational boss is connected by screw with transmission nut, and is limited in outer sleeve Moving in axial groove, axial groove is positioned on the rear portion sleeve of female joint installing plate, and so when power transmission shaft rotates, transmission nut is only Can move in the axial direction without rotating, and the axially-movable of transmission nut drives collet to produce axle by shear pin To motion, and then making chuck finger shrink or expansion, these motions realize by following structure: transmission nut and elastic clip The rear portion end face of head is linked together by three shear pins, and such collet just can be followed transmission nut and the most axially be transported Dynamic.Collet is made up of 6 fingers, and finger can be expanded in radial directions or shrink, and divides the most uniformly Cloth, collet is arranged on the inside of interior lead, and the inner surface of interior lead is led as collet finger axially-movable To, its inner surface there is boss, when on finger motion to boss, finger is compressed, when finger slides from boss, finger Expand freely.When finger-expanding is opened when, under certain thrust, collet mandrel can slip into finger interior, When collet rearward movement, the when that finger shrinking, the clamping force to collet mandrel is gradually increased, so at bullet Property chuck and mandrel between will produce the biggest axial tension, thus promote female joint to move closer to male joint and then realize can The sealing leaned on.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention has the effect being simultaneously connected with multiple joint under water, and this retaining mechanism can be easily by ROV machinery Hands operates, and utilizes worm gear device can carry out the amplification of moment of torsion, reduces the requirement to ROV, it is adaptable to environments such as subsea is special It is not deep-sea, the most easy-operating environment of diver.
Male joint and female joint can be reliably locked together by the present invention, and realize sealing reliably, it is ensured that pipeline Connect the most reliably in seabed, and the size of coupling mechanism force can be regulated easily, thus regulate and seal between joint Degree of tightness.
The present invention is in the case of generation is the most stuck, it is also possible to break shear pin by special torque tool real Ejection escape between existing joint, and after recovery comes up after departing from, realization can be facilitated to reuse by changing shear pin.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the mobile terminal structural representation in the present invention.
Fig. 3 is the worm gear device structural representation in mobile terminal.
Fig. 4 is the fixing end structure schematic diagram in the present invention.
Fig. 5 is the collet structural representation in mobile terminal.
Fig. 6 is collet and collet mandrel collapsed configuration schematic diagram.
Fig. 7 is mobile terminal and fixing end is inserted into bit architecture schematic diagram.
Fig. 8 is mobile terminal and fixing end is locked to bit architecture schematic diagram.
Fig. 9 is mobile terminal and fixing end locking mark schematic diagram.
Reference in figure is: 1 worm gear device;2 outer sleeves;3 power transmission shafts;4 stopper slots;5 is anti-rotational convex Platform;6 transmission nuts;7 shear pins;8 collets;9 female joints;10 outer leads;11 female joint installing plates;In 12 Lead;13 feather keys;14 dust-proof long-pending thing covers;15 handles;16 T handles;17 worm and gear shells;18 worm gears;19 snails Bar;20 outer guide sleeve cylinders;21 fixed installation plates;22 collet mandrels;23 male joint installing plates;24 male joints;In 25 Pilot sleeve;26 collet fingers;27 collet support beams;28 collet boss;29 mobile terminals lockings put the in place One markings;30 fix end is locked to bit flag line;31 mobile terminal ends lock second markings that put in place;32 fixing ends insert Put in place markings.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
A kind of retaining mechanism for snap joint under water, mainly by worm gear device 1, collet 8 and elastic clip Head composition such as mandrel 22 grade.8 female joints 9, the front end of female joint installing plate 11 are installed on the female joint installing plate 11 of mobile terminal Being provided with interior lead 12, lead inner surface has boss for compressed chuck finger 26 in radial directions, is decorated with 6 in figure Finger 26 (but can vary depending on number), collet 8 and transmission nut 6 are by three shear pins in the radial direction 7 connect, and the flat surface of transmission nut 6 is connected with tubular anti-rotational boss 5, and anti-rotational boss 5 is limited in overcoat The axial limiting groove 4 of cylinder 2 moves, therefore transmission nut 6 drives collet 8 to move in the axial direction, transmission nut 6 Being coordinated by trapezoidal thread with power transmission shaft 3, in the axial direction, power transmission shaft 3 is limited by worm gear device 1, outer sleeve 2 upper surface Axially-movable processed, can only produce rotary motion.
When the T in ROV Robot actions worm gear device 1 or rotates along pointer counterclockwise 16, transmission nut 6, Anti-rotational boss 5, collet 8, shear pin 7 will move back and forth the most forward or backward.8 male joints 24 are pacified Being contained on male joint installing plate 23, interior lead 12 is connected with collet mandrel 22, the end cap processing of collet mandrel 22 There is the end face of High angle, to facilitate mandrel 22 to enter chuck finger 26.Axial limiting groove 4 is hidden by anti-deposit guard shield 14 To prevent the bottom sediment pollution to motion thread, anti-deposit guard shield 14 also has many apertures, to be used for making shifting Moved end is internal to be connected with sea water, prevents from forming hydraulic lock.
During work, the locking process of snap joint under water is divided into two stages, the process of insertion and the process of locking, below It is described in detail.As shown in Figure 6, it is that the structural representation after fixing end puts in place is inserted in mobile terminal.Shifting caught by ROV mechanical hand The handle 15 of the worm and gear upper end of moved end, enters axially into fixing end, before this, it is necessary to rotation T is 16 counterclockwise, makes bullet Property chuck 8 moves axially forward, and chuck finger 26 slides from the boss of collet mandrel 22 front end, radially opens, The most anti-rotational boss 5 is positioned at the front end of axial limiting groove 4.When the inclined-plane of mandrel 22 just touches chuck finger 26, this Time need ROV mechanical hand provide a big thrust, this power can not be excessive, the thrust range that will can be provided by mechanical hand In, make chuck finger 26 cross end cap, such finger 26 is just held end cap and is axially being provided a pretightning force, inserted Enter to put in place, represent that pre-locking process terminates.When insertion puts in place, male joint 24 is also not inserted in female joint 9, but now two Person has alignd.When insertion puts in place, the structural representation of the present invention is as shown in Figure 6.Before locking, it is provided that a pretightning force is come Make mobile terminal and fixing end carry out preliminary locking, not only make whole connection procedure safe and reliable, and make whole operating process More easily ROV observes and operation.
Followed by the process of locking, after insertion puts in place, the ROV mechanical hand T that turns clockwise 16, then worm and gear Device 1 delivers torque to power transmission shaft 3, and owing to the axially-movable of power transmission shaft 3 is limited, therefore it can only produce rotary motion, Under the cooperation of trapezoidal thread, transmission nut 6 should produce and rotate and the motion of axial direction, but due to transmission nut 6 with Anti-rotational boss 5 links together, and anti-rotational boss 5 can only move axially in axial limiting groove 4, therefore transmission nut 6 will Driving anti-rotational boss 5 and collet 8 to be moved rearwards by the axial direction, during this, chuck finger 24 constantly draws Tight mandrel 22, makes mobile terminal close to fixing end, and female joint 9 is drawn close to male joint 24, finally makes male joint 24 be completely inserted into In female joint 9, and providing a sufficiently large coupling mechanism force to make formation between joint seal reliably, joint is fully on, it is achieved The transmission of signal or the conveying of liquid.Meanwhile, interior lead 12 rearward movement, finally move to collet boss 28 On, finger 26 is radially compressed, and the pulling force between finger 26 and mandrel 22 reaches maximum, at this under reliable coupling mechanism force, it is possible to Ensure the positive sealing between 8 joints and conducting.Meanwhile, anti-rotational boss 5 rearward movement, finally move to axially limit The rear end of position groove 4, has locked and has put in place, connects the end of job.After locking puts in place, the structural representation of the present invention such as Fig. 7 Shown in Fig. 8.
When joint needs to depart from it is necessary to departed from from fixing end mobile terminal, separating operation is divided into two stages equally: Releasing process and withdrawal process.Releasing process, is i.e. separated mobile terminal in the present invention by ROV mechanical hand from fixing end.First First, ROV mechanical hand rotates T counterclockwise 16, drives power transmission shaft 3 to rotate counterclockwise, makes transmission nut 6, anti-rotational boss 5, outward Sleeve 2 and collet 8 travel forward, and the clamping force of finger 26 center roller 22 slowly reduces, when ROV observes that 29 overlap with 32 Time, releasing process terminates, and ROV mechanical hand stops the rotation, and anti-rotational boss 5 moves to the front end of axial limiting groove 4.Releasing process Terminate.
Followed by the process of dial-out: need ROV mechanical hand to provide a bigger pulling force mandrel 22 to be pulled out from finger 26 Going out, equally, this power can not be too big, should be in the weight range that mechanical hand can be provided by, after extracting, will outward along axial direction Lead 10 removal from external orientation sleeve 20 slowly, after in finally waiting, lead 12 removes completely from fixing end, by Mobile terminal is placed on temporary set or moves to elsewhere by mechanical hand.
Working as something unexpected happened, retaining mechanism occurs stuck, when power transmission shaft 3 can not be made to rotate by ROV mechanical hand, At this time it is accomplished by hydraulically powered high torque output instrument and applies bigger moment of torsion rotating drive shaft 3, thus force transmission Nut 6 rearward movement, is so formed for the biggest pulling force, when this pulling force be enough to break between transmission nut 6 and collet 8 During shear pin 7, three shear pins 7 are pulled off, and are pulling mobile terminal with machinery, now collet 8 rearward movement, chuck finger 26 open, and the coupling mechanism force between collet 8 and mandrel 22 disappears, due to the effect of the flange of collet 8 latter half, bullet Property chuck 8 will not come off from mobile terminal, is recycled to sea together keeps in repair, again such that it is able to follow mobile terminal After installing shear pin 7, this mobile terminal can be reused again.
Being machined with six radial holes at collet 8 latter half, but be mounted with three the most uniformly, the other three is to use Do passway to use, during interior lead 12 inserts interior pilot sleeve 25, the sea water being extruded out in this region By the radial clearance between outer sleeve 2 and anti-rotational boss 5, and multiple apertures of dust-proof long-pending thing cap 14 are with extraneous sea water even Logical, to prevent from forming hydraulic lock.
It is only the specific embodiment of the present invention finally it should be noted that listed above.It is clear that the invention is not restricted to Above example, it is also possible to have many variations.Those of ordinary skill in the art directly can lead from present disclosure The all deformation gone out or associate, are all considered as protection scope of the present invention.

Claims (4)

1., for the locking device of snap joint under water, including mobile terminal and fixing end, mobile terminal is installed female joint, fixing end Upper installation male joint, the docking of mobile terminal and fixing end can make male joint and female joint quickly connect, it is characterised in that described shifting Moved end include power transmission shaft, feather key, worm gear device, anti-rotational boss, female joint installing plate, transmission nut, interior lead, Outer lead, collet, outer sleeve;
Described interior lead is the lead of cylindrical shape, and the rear end face of interior lead is provided with a method having screw hole Orchid, for connecting with female joint installing plate, and the front end of flange is machined with boss, is used for ensureing that interior lead is installed with female joint Plate is coaxial;The front inner surface of interior lead is provided with the annular boss along the circumferential direction gone up, for coordinating with collet finger;
Described collet be rear end be the collet that flange, front end are provided inwardly with raised structures;The front end band of collet Flexible chuck finger, and collet finger is evenly distributed on the circumferencial direction of front end;Each collet finger is respectively Being connected with the collet support beam of a thin wall shape, each collet finger and collet support beam along the circumferential direction go up Evenly distributed, and between each collet support beam and between collet finger, leave space, collet support beam Can be compressed in radial directions;Each collet finger is connected to collet by middle collet support beam On flange, each collet finger forms 1 simple beam structure with the flange section of collet rear end respectively, each to realize Individual collet finger can compress in radial directions or uphold;The rear end of collet the most uniformly has 6 unthreaded holes, For corresponding with 6 screwed holes on transmission nut, wherein 3 spans are uniform, are used for installing shear pin, other 3 holes For as seawater circulation hole;
Described transmission nut is the nut that center has the cylindrical shape structure in trapezoidal thread hole, and the trapezoidal thread hole at center with Trapezoidal thread on power transmission shaft matches installation;Two platforms it are symmetrily processed with, on platform on the back end cylindrical face of transmission nut It is threaded hole respectively, installs for coordinating with anti-rotational boss;
Described anti-rotational boss is the cylindrical shape structural bosses with shoulder hole, is axially machined with countersunk head along anti-rotational boss The screwed hole of type, for connecting with transmission nut;
Described outer sleeve is the outer sleeve of tubular structure, and the rear end face of outer sleeve is along the circumferential direction gone up and is uniformly machined with 8 screws Hole, for connecting with worm gear device;Rearward end at outer sleeve has two intervals 180 degree, axial stopper slot, is used for Limit the axially-movable of anti-rotational boss;
Described worm gear device includes worm screw, worm gear, worm and gear shell, handle, T handle, and worm and worm wheel are arranged on worm gear In worm screw shell, handle is arranged on worm and gear shell, and T handle and worm screw are rotationally connected;By the T being rotatably connected on worm screw , worm and gear can be driven to rotate, can be transmitted motion on transmission nut by trapezoidal thread;
Described feather key is a rectangular-shaped device, and the surface of feather key has two screwed holes;Feather key utilizes spiral shell Nail is connected on the outer lead of mobile terminal, guides for mobile terminal and fixing end are correctly inserted into offer;
Being used for installing female joint on described female joint installing plate, the female joint of installation is used for and the upper male joint pair installed of fixing end Should, to realize oil circuit or electric break-make;
Described fixing end includes collet mandrel, male joint installing plate, outer guide sleeve cylinder, fixed installation plate, interior pilot sleeve; It is used for installing male joint, collet mandrel and interior pilot sleeve on described male joint installing plate and is fixed on male joint installing plate one On the fixing end of side;Described interior pilot sleeve is a cylindrical tubular structure, and its front end boss ring flange has 6 screws Hole, utilizes screw to be connected on male joint installing plate, rear end face has 6 unthreaded holes, is used for installing collet mandrel;Elastic clip The rear end of head mandrel is radially uniform is machined with six holes, for being connected by screw with interior pilot sleeve rear end face;Described elasticity The end cap of chuck mandrel is cylindrical structure, and cylindrical front end is provided with the inclined-plane of High angle, for being conveniently inserted into elasticity Chuck;
Described outer guide sleeve cylinder is specifically arranged on the sleeve outside fixing end, and the bottom end face of outer guide sleeve cylinder is provided with screw thread Hole, is fixed on male joint installing plate by this screwed hole, coordinates for the outer lead with mobile terminal, is moved easily end and inserts In fixing end;
Described fixed installation plate is the carrier of male joint, and fixed installation plate is by screw and interior pilot sleeve, outer guide sleeve cylinder phase Connect;Male joint fixing on fixed installation plate, for docking with the female joint on mobile terminal, to realize oil circuit or electric Break-make;
When mobile terminal and fixing end locking, by the axially-movable of collet, make collet finger shrink or expansion, work as bullet Property chuck finger motion is to time on the boss of interior lead, and collet finger is compressed, when collet finger is from interior guiding When sliding on the boss of post, collet finger-expanding is opened;When collet finger-expanding is opened when, collet mandrel energy Enough slip into collet finger interior, when collet rearward movement, to elastic clip when that collet finger shrinking The clamping force of head mandrel is gradually increased, and just produces axial tension between collet and collet mandrel, promotes female joint, public affairs Joint and then realization seal.
Locking device for snap joint under water the most according to claim 1, it is characterised in that described female joint is installed Eight female joints are installed on plate, male joint installing plate is provided with eight male joints.
Locking device for snap joint under water the most according to claim 1, it is characterised in that before described collet The collet finger of end is provided with 6.
Locking device for snap joint under water the most according to claim 1, it is characterised in that described for the fastest The locking device of quick coupling also includes that the stopper slot of outer sleeve can be hidden by anti-deposit guard shield, anti-deposit guard shield, anti- The only bottom sediment pollution to motion thread;Also have aperture on anti-deposit guard shield, be used for making mobile terminal internal and sea water Connection, prevents from forming hydraulic lock.
CN201610795337.5A 2016-08-31 2016-08-31 Locking device for snap joint under water Pending CN106195444A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107701852A (en) * 2017-11-10 2018-02-16 青岛理工大学 Axial traction formula connects submarine pipeline repair device
CN108502129A (en) * 2018-04-08 2018-09-07 华中科技大学 A kind of captured suitable for underwater movement objective carries formula device with what is docked
CN110984899A (en) * 2019-12-30 2020-04-10 哈尔滨工程大学 Vertical internal locking pressure cap

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CN108502129A (en) * 2018-04-08 2018-09-07 华中科技大学 A kind of captured suitable for underwater movement objective carries formula device with what is docked
CN110984899A (en) * 2019-12-30 2020-04-10 哈尔滨工程大学 Vertical internal locking pressure cap

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Application publication date: 20161207