CN113415444A - High-voltage floating disconnector - Google Patents
High-voltage floating disconnector Download PDFInfo
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- CN113415444A CN113415444A CN202110714787.8A CN202110714787A CN113415444A CN 113415444 A CN113415444 A CN 113415444A CN 202110714787 A CN202110714787 A CN 202110714787A CN 113415444 A CN113415444 A CN 113415444A
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- 238000007789 sealing Methods 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 239000011324 bead Substances 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 abstract description 30
- 239000003380 propellant Substances 0.000 abstract description 13
- 230000007246 mechanism Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/646—Docking or rendezvous systems
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- Engineering & Computer Science (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention belongs to the technical field of floating disconnectors and discloses a high-voltage floating disconnector. The end part of a plunger joint at the driving end of the disconnector is provided with a sealing element, a movable driving end movable sleeve and a driving end spring which are connected with each other are arranged in the front and at the back of the barrel of the conical sleeve at the driving end, the movable driving end movable sleeve is coated at the sealing element of the plunger joint at the driving end, a yielding spring is arranged in a cavity between a shell at the driving end and a locking sleeve at the driving end, and a steel ball is arranged at the periphery of the conical sleeve at the driving end; and a locking groove capable of accommodating the steel ball is formed in the periphery of the passive end. The disconnector provided by the invention can realize quick butt joint and reliable self-locking of the active end and the passive end, effectively realize the circulation of high-pressure propellant working media in a pipeline between butt joint structures, realize the design purposes of simplifying floating butt joint, high-pressure sealing and locking and unlocking operations and improving the on-rail filling and on-rail refilling operation efficiency of the propellant.
Description
Technical Field
The invention relates to the technical field of floating disconnectors, in particular to a high-voltage floating disconnector.
Background
For manned landing on the moon, landing on mars and other deep space exploration, ensuring that enough propellant enters the space and is stored for a long time is the basic guarantee for achieving the targets, and compared with a space entering mode of ground launching direct rail entering, the propellant space on-rail filling has obvious advantages. Firstly, propellant space supplement can prolong the service life of the spacecraft, the service life of part of the artificial satellites which operate in orbit at present depends on the carrying amount of the propellant, and the propellant is filled and supplemented in orbit, so that the service life of the artificial satellites can be obviously prolonged, and the manufacturing cost and the launching cost of the spacecraft are saved. Secondly, propellant space filling can significantly expand the range of human exploration space, extending from the near earth orbit to other planets of the solar system.
Patent document CN201410199887.1 discloses an electric-hydraulic circuit floating disconnector, which includes receiving a supplementary joint and providing a supplementary joint; the receiving and supplementing joint comprises a mounting plate, and an electric connection joint and a gas-liquid receiving joint are arranged on the mounting plate; the supplying and supplementing joint comprises a fixed shell, a sliding shell and a push-pull threaded rod, the sliding shell is arranged on the upper side of the fixed shell, and the upper end of the sliding shell is provided with an electric connection floating device and a gas-liquid floating device which are matched with the electric connection joint and the gas-liquid receiving joint; the upper end of the push-pull threaded rod is fixedly connected with the sliding shell, and the lower end of the push-pull threaded rod is arranged in the fixed shell; the lower end of the push-pull threaded rod is connected with a power device, and the power device drives the push-pull threaded rod and simultaneously drives the sliding shell to axially move. Although the above patent documents can realize floating butt joint of both ends, two-stage floating is required in the operation process, butt joint and separation can be realized only by pushing and pulling the threaded rod, the operation is complicated, and the accuracy is low. In addition, after the electric liquid circuit floating disconnector is in butt joint, acting force is transmitted to a butt joint mechanism through a threaded rod, so that the butt joint mechanism is relatively high in stress, and the electric liquid circuit floating disconnector cannot be used for high-pressure working medium transmission working conditions due to the fact that the butt joint mechanism is relatively high in stress. Meanwhile, the existing floating disconnector also has the technical problems of complex floating compensation structure, poor floating deviation adjustment effect, incapability of bearing large butt joint force, inconvenience in operation and the like.
In view of the above, the invention provides a high-pressure floating disconnector which can be used under the working condition of high-pressure working medium transmission, and is used for an in-orbit intersection butt joint task of two spacecrafts, is an important part of an in-orbit filling butt joint mechanism, and is used for realizing the connection and separation of propellant media between the spacecrafts; the high-pressure floating disconnector serves as a mechanical assembly in a spacecraft propulsion system, is used for conveying a combustion agent, an oxidant, oxygen, xenon or a propulsion gas between two spacecrafts, supplies a propellant required by an on-orbit spacecraft, and has very important significance for the application of aerospace engineering such as on-orbit high-speed filling, on-orbit supply, deep space exploration and the like of the spacecraft in the future.
Disclosure of Invention
The invention provides a high-pressure floating disconnector, which aims to solve the technical problems that a floating disconnector in the prior art cannot be used under the working condition of high-pressure working medium transmission, a floating compensation mechanism is complex, the floating deviation adjusting effect is poor and the like.
In order to solve the technical problems, the invention adopts the following technical scheme:
a high-pressure floating disconnector comprises an active end and a passive end, wherein the active end comprises an active end shell, an active end plunger joint which is connected with one end of the active end shell and arranged in a cavity of the active end shell, and an active end conical sleeve which is connected with the other end of the active end shell, and an active end locking sleeve and a floating compensation piece are arranged outside the active end conical sleeve; the end part of the driving end plunger joint is provided with a sealing element, a cavity between the driving end conical surface sleeve and the driving end plunger joint is internally provided with a movable driving end movable sleeve and a driving end spring which are connected with each other, the driving end movable sleeve is coated at the sealing element of the driving end plunger joint, a cavity between the driving end shell and the driving end locking sleeve is internally provided with a yielding spring, and the periphery of the driving end conical surface sleeve is provided with a steel ball; and a locking groove capable of accommodating the steel ball is formed in the periphery of the passive end.
And the working medium circulation channel in the plunger joint at the driving end is correspondingly communicated with the working medium circulation channel in the driven end, and when the two ends of the high-pressure floating disconnector are butted and inserted, the working medium in the working medium circulation channel is in a circulation state.
The sealing element comprises a high-pressure sealing ring stop block, a high-pressure check ring and a high-pressure sealing ring which are sequentially sleeved at the end part of the active end plunger joint.
The floating compensation piece comprises a floating shell, a floating top bead spring and a floating nut, wherein the floating compensation piece comprises the floating shell, the floating nut, the floating top bead and the floating top bead spring, the floating nut is installed in the floating shell, the floating top bead is installed in the floating nut, the floating top bead spring is installed in an inner cavity of the floating top bead, and the lower end of the floating top bead penetrates through the inner cavity of the floating top bead and is in contact with the periphery of the locking sleeve of the driving end. More preferably, the invention adopts a primary floating mode that a floating top ball spring pushes a floating top ball at the position of the outer circumference installation 6 of the locking sleeve of the driving end.
Preferably, the floating compensation piece is mounted on the driving end locking sleeve through a driving end mounting plate; the periphery of the driving end locking sleeve is provided with a pit, and the lower end of the floating top bead is located in the pit.
Preferably, the steel balls are at least 8 steel balls arranged along the periphery of the driving end conical sleeve in the circumferential direction.
Preferably, a butt-joint guiding inner conical surface is arranged in the driving end conical surface sleeve, and a limiting outer conical surface is formed outside the driving end conical surface sleeve; and two inner side wall openings of the U-shaped groove of the driven end are provided with sealing element guide conical surfaces.
Preferably, the inner wall of the driving end locking sleeve is provided with a positioning inclined plane between the steel balls.
Preferably, the periphery of the driving end conical surface sleeve is provided with a steel ball conical hole for placing a steel ball.
Preferably, stainless steel 95Cr18 and titanium alloy TC11R (surface pulse anodization) can be adopted at the stress part of the internal kinematic pair and the locking mechanism, and the vacuum cold welding phenomenon can be prevented while the stress part can resist 15800N separation pressure.
The invention provides a high-pressure floating disconnector, which aims to solve the problems in the prior art, and adopts a primary floating mode that a peripheral floating top ball spring pushes a floating top ball in the floating disconnector, and adopts a positioning mode that a steel ball is quickly locked during butt joint to realize quick butt joint and reliable self-locking of an active end and a passive end, so that the circulation of a high-pressure propellant working medium in a pipeline between butt joint structures is effectively realized, the design purposes of simplifying floating butt joint, high-pressure sealing, locking and unlocking operations and improving the operation efficiency of propellant on-rail filling and on-rail refilling are realized.
Specifically, the method comprises the following steps: the floating compensation mechanism is simplified by adopting a structure that a circumferential floating ball jacking spring pushes a floating ball jacking to realize primary floating compensation and adopting conical surfaces and chamfers to guide and position at the butt joint parts of two ends. The automatic locking and unlocking mode of the circumferential steel balls and the locking grooves simplifies the butt joint and unlocking operation process. The high-pressure check ring formed during butt joint is matched with the radial extrusion elastic body for sealing, so that the leakage of propellant fluid under the internal pressure of 70MPa can be effectively avoided, and the actual measurement value of the leakage rate reaches 1 multiplied by 10-7Pa.m3The/s is 2 orders of magnitude higher than the required index; the internal channel adopts the high-pressure pipeline design, and when guaranteeing that inside circulation is smooth and easy, improve on-orbit filling efficiency by a wide margin.
Drawings
Fig. 1 is a schematic structural diagram of the high-voltage floating disconnector before the active/passive terminals are connected;
fig. 2 is a schematic structural diagram of the high-voltage floating disconnector after the main/passive ends are butted;
fig. 3 is a partial cross-sectional structural view of the high-pressure floating disconnect provided by the present invention in a locked state after the main/passive ends are butted;
FIG. 4 is a schematic cross-sectional view of a portion of a driving end cone sleeve provided by the present invention;
FIG. 5 is a partial cross-sectional view of an active end locking sleeve provided in accordance with the present invention.
Description of the drawings: 1. a passive end; 2. an active end; 11. a passive end housing; 21. an active end shell, 22 and an active end plunger joint; 23. a driving end conical sleeve; 24. the driving end moves the sleeve; 25. a high pressure seal ring stop block; 26. a high pressure check ring; 27. a high pressure seal ring; 28. the driving end locks the bush; 29. a floating housing; 30. a yielding spring; 31. an active end spring; 32. a floating ball-ejecting spring; 33. floating the top bead; 34. a floating nut; 35. a steel ball; 36. an active end mounting plate; 111. a locking groove; 112. a sealing element guiding conical surface; 231. butting guide inner conical surfaces; 232. a limiting outer conical surface; 233. a circular arc transition surface; 234. a steel ball taper hole; 281. a pit; 282. the inclined plane is positioned.
Detailed Description
The invention discloses a high-voltage floating disconnector, which can be realized by appropriately improving process parameters by a person skilled in the art by referring to the content in the text. It is expressly intended that all such similar substitutes and modifications which would be obvious to those skilled in the art are deemed to be included in the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
The following detailed description of the invention refers to specific embodiments thereof for better understanding by those skilled in the art.
A high-pressure floating disconnector comprises a driving end 2 and a driven end 1, wherein the driving end 2 comprises a driving end shell 21, a driving end plunger joint 22 which is connected with one end of the driving end shell 21 and is arranged in an inner cavity of the driving end shell 21, and a driving end conical surface sleeve 23 which is connected with the other end of the driving end shell 21, and a driving end locking sleeve 28 and a floating compensation piece are arranged outside the driving end conical surface sleeve; the end of the driving end plunger joint 22 is provided with a sealing element, a cavity between the driving end conical sleeve 23 and the driving end plunger joint 22 is internally provided with a movable driving end movable sleeve 24 and a driving end spring 31 which are connected with each other, the driving end movable sleeve 24 is coated at the sealing element of the driving end plunger joint 22, a cavity between the driving end shell 21 and the driving end locking sleeve 28 is internally provided with a yielding spring 30, and the periphery of the driving end conical sleeve 23 is provided with a steel ball 35 which is used for locking a driving end and a driven end after being butted; the passive end 1 is provided with a locking groove 111 capable of accommodating the steel ball 35 at the periphery of the front end of the passive end shell, and the cross-sectional shape of the locking groove 111 can be preferably trapezoidal, semi-oblong or elliptical. More preferably, the number of the steel balls 35 is at least 8, and the steel balls are arranged along the peripheral direction of the driving end conical sleeve 23.
The working medium circulation channel in the active end plunger joint 22 is correspondingly communicated with the working medium circulation channel in the passive end 1, and when the two ends of the high-pressure floating disconnector are butted and inserted, the working medium in the working medium circulation channel is in a circulation state. When the two ends of the high-pressure floating disconnector are butted and inserted, the working medium is in a circulating state; when the high-pressure floating disconnector is separated along with the two spacecrafts, system pipelines at two ends of the disconnector are closed.
The sealing element comprises a high-pressure sealing ring stop block 25, a high-pressure retainer ring 26 and a high-pressure sealing ring 27 which are sequentially sleeved at the end part of the active end plunger joint 22. When the mechanism is in a butt joint working state, the sealing element is adopted as a high-pressure sealing pair, and the sealing structure is an extrusion type elastic body sealing and closed check ring structure; after the two ends of the floating disconnector are separated, the movable sleeve covers the sealing structure, so that the movable sleeve can resist atomic oxygen corrosion and irradiation in a space environment.
In this embodiment, the floating compensation piece of the present invention comprises a floating housing 29, a floating ball 33, a floating ball spring 32 and a floating nut 34, wherein the floating nut 34 is installed in the floating housing 29, the floating ball 33 is installed in the floating nut 34, the floating ball spring 32 is installed in the inner cavity of the floating ball 33, and the lower end of the floating ball 33 passes through the floating ball nut 34 and contacts with the outer periphery of the driving end locking sleeve 28; a more preferred embodiment is a one-step floating mode of the present invention where the floating ball-top spring pushes the floating ball-top 33 at the outer circumference 6 of the active end locking sleeve 28. The invention adopts the floating compensation piece to carry out primary floating compensation at the driving end of the high-voltage floating disconnector, so that the high-voltage floating disconnector has a floating function and compensates the position deviation between the two ends.
In a preferred embodiment, the float compensator is mounted on the active end locking sleeve 28 by an active end mounting plate 36; the periphery of the driving end locking sleeve 28 is provided with a concave pit 281, the lower end of the floating top ball 33 is positioned in the concave pit 281, and the concave pit 281 can prevent the floating top ball 33 from freely rotating on the periphery of the driving end locking sleeve 28. The active end mounting plate 36 is mounted on the back of the floating housing 29 and is gap clamped to the active end locking sleeve 28 for floating offset adjustment. The external part is restrained by the floating nut 34 in the radial position, the front and rear end faces are restrained by the driving end locking sleeve 28 and the floating nut 34 in the axial gap, and the floating ball-ejecting spring 32 acts in the gap range to enable the floating ball-ejecting spring 33 to reciprocate in the inner cavity of the floating nut 34, so that the floating deviation adjustment is realized.
In another preferred embodiment, the driving end conical sleeve 23 has a butt guide inner conical surface 231 therein, and the butt guide inner conical surface 231 can ensure that the driven end housing 11 is smoothly inserted into the driving end conical sleeve 23; and a limiting outer conical surface 232 for the movement of the active locking sleeve is formed at the outer cylinder of the conical sleeve, and two inner side wall ports of the U-shaped groove of the passive end 1 are both provided with a sealing element guiding conical surface 112 so as to be correspondingly inserted into a sealing element and protect the sealing element from damage during butt joint, more preferably, the taper of the sealing element guiding conical surface 112 (the included angle between the sealing element guiding conical surface 112 and the horizontal plane) can be set to be 20 degrees.
In one specific embodiment, the active end locking sleeve 28 has a positioning slope 282 on its inner wall between the balls 35, and the positioning slope 282 can prevent the balls 35 from falling out in the radial direction of the ball taper hole 234. The periphery of the driving end conical surface sleeve 23 is provided with a steel ball conical hole 234 for placing the steel ball 35. The steel ball 35 can reciprocate vertically in the ball taper hole 234 without falling out from the bottom thereof.
The butt joint process of the active end 2 and the passive end 1 of the high-voltage floating disconnector comprises the following steps: the satellite docking mechanism mounting plate is mounted together with a floating disconnector driving end mounting plate 36 and a driving end locking sleeve 28, the locking sleeve is limited by a steel ball 35, so that the floating disconnector driving end 2 is driven to move towards a driven end 1, and when the driven end 1 is docked with the driven end 2, the driven end 1 and the driven end 2 move relatively along an axis to enable the driving end 2 to be inserted into the driven end 1; starting from the contact of the passive end 1 with the conical sleeve 23 of the active end, under the action of the butt-joint guiding inner conical surface 231, the floating top bead 33 floats relative to the floating nut 34, the floating top bead spring 3232 is adjusted to enable the passive end 1 to be smoothly inserted into the conical sleeve 23 of the active end, the movable sleeve 24 of the active end gives way, and the high-pressure sealing ring stop block 25, the high-pressure check ring 26 and the high-pressure sealing ring 27 which are installed at the front end of the plunger joint of the active end 2 enter the inner cavity of the shell 11 of the passive end to form a sealing structure. The sealing element guiding conical surface 112 is arranged in the inner cavity of the passive end 1, so that the sealing element can be protected from damage during butt joint, and before the butt joint is in place, the steel ball 35 is positioned between the positioning inclined surface 282 of the driving end locking sleeve 28 and the excircle of the passive end 1, so that the butt joint is not influenced; after the butt joint is completed, the steel ball 35 is pressed into the locking groove 111 of the passive end 1 under the action of the active end locking sleeve 28 and the yielding spring 30, the active end locking sleeve 28 is pushed by the yielding spring 30 and continues to move in the butt joint direction until the front end of the active end locking sleeve touches the limiting outer conical surface 232 of the active end conical surface sleeve 23 to stop, at the moment, the inner circle of the active end locking sleeve 28 presses the steel ball 35, so that the steel ball 35 cannot be separated from the locking groove 111, the butt joint and the locking between the active end 2 and the passive end 1 are completed, the locking state is stable, the separating force generated by the internal pressure of 70MPa can be resisted, and the separating force does not act into the butt joint mechanism.
When the active end 2 and the passive end 1 need to be separated, the docking mechanism on the spacecraft applies acting force to drive the active end locking sleeve 28 to retreat to the rear end; the steel ball 35 is released from the locking groove 111 of the passive end 1 and is located between the positioning inclined plane 282 of the active end locking sleeve 28 and the U-shaped groove of the passive end housing 11, and when the separation is completed, the active end moving sleeve 24 returns to enter the steel ball conical hole 234 of the active end conical surface sleeve 23, so that the steel ball 35 is fixed in the conical hole, and the next butt joint is facilitated.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a high pressure disconnection ware that floats, includes active end and passive end, its characterized in that: the driving end comprises a driving end shell, a driving end plunger joint which is connected with one end of the driving end shell and arranged in an inner cavity of the driving end shell, and a driving end conical surface sleeve which is connected with the other end of the driving end shell, wherein a driving end locking sleeve and a floating compensation piece are arranged outside the driving end conical surface sleeve; the end part of the driving end plunger joint is provided with a sealing element, a cavity between the driving end conical surface sleeve and the driving end plunger joint is internally provided with a movable driving end movable sleeve and a driving end spring which are connected with each other, the driving end movable sleeve is coated at the sealing element of the driving end plunger joint, a cavity between the driving end shell and the driving end locking sleeve is internally provided with a yielding spring, and the periphery of the driving end conical surface sleeve is provided with a steel ball; and the passive end is provided with a locking groove capable of accommodating the steel ball at the outer periphery of the passive end shell.
2. The high-voltage floating disconnect of claim 1 wherein: the sealing element comprises a high-pressure sealing ring stop block, a high-pressure check ring and a high-pressure sealing ring which are sequentially sleeved at the end part of the plunger joint at the driving end.
3. The high-voltage floating disconnect of claim 1 wherein: the floating compensation piece comprises a floating shell, a floating nut, a floating top bead and a floating top bead spring, wherein the floating nut is installed in the floating shell, the floating top bead is installed in the floating nut, the floating top bead spring is installed in an inner cavity of the floating top bead, and the lower end of the floating top bead penetrates through the inner cavity of the floating top bead and is in peripheral contact with the driving end locking sleeve.
4. The high-voltage floating disconnect of claim 3, wherein: the floating compensation piece is arranged on the driving end locking sleeve through a driving end mounting plate; the periphery of the driving end locking sleeve is provided with a pit, and the lower end of the floating top bead is located in the pit.
5. The high-voltage floating disconnect of claim 1 wherein: at least 8 steel balls are arranged along the periphery of the driving end conical surface sleeve in the circumferential direction.
6. The high-voltage floating disconnect of claim 1 wherein: the driving end conical surface sleeve is internally provided with a butt-joint guiding inner conical surface, and a limiting outer conical surface is formed outside the driving end conical surface sleeve; the driven end is provided with sealing piece guiding conical surfaces at two inner side wall openings of the U-shaped groove.
7. The high-voltage floating disconnect of claim 1 or 6 wherein: the inner wall of the driving end locking sleeve is provided with a positioning inclined plane between the steel balls.
8. The high-voltage floating disconnect of claim 1 wherein: and a steel ball taper hole for placing a steel ball is formed in the periphery of the sleeve of the conical surface of the driving end.
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沈兴全, 国防工业出版社 * |
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