CN114056751B - Underwater balance type cylinder cover opening device - Google Patents
Underwater balance type cylinder cover opening device Download PDFInfo
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- CN114056751B CN114056751B CN202111249082.XA CN202111249082A CN114056751B CN 114056751 B CN114056751 B CN 114056751B CN 202111249082 A CN202111249082 A CN 202111249082A CN 114056751 B CN114056751 B CN 114056751B
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- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 238000001514 detection method Methods 0.000 description 10
- 239000013535 sea water Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/14—Non-removable lids or covers
- B65D43/18—Non-removable lids or covers pivoted for movement in plane of container mouth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/26—Mechanisms for opening or closing, e.g. pedal-operated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The invention provides an underwater balance type cylinder cover opening device which can effectively solve the problems of gravity, buoyancy balance, buoyancy loss and the like of cylinder covers before and after uncovering, is suitable for large underwater platforms needing uncovering, and is particularly suitable for small underwater platforms with high requirements on stability and balance. The underwater balance type cylinder cover opening device comprises: the device comprises a barrel opening part, a barrel cover assembly, a pressure equalizing assembly, an auxiliary top cover mechanism and a top screwing cover composite mechanism; the cylinder cover component is covered at the top opening of the cylinder mouth and is used for sealing the top opening of the cylinder mouth; the cylinder cover component is in a zero-buoyancy state; the pressure equalizing component is used for equalizing pressure inside and outside the opening of the cylinder body before the cylinder cover component is opened; the auxiliary top cover mechanism and the top spiral cover composite mechanism are respectively fixed on two opposite sides of the outer circumferential surface of the opening of the cylinder body; the top spiral cover compound mechanism includes: a cap assembly and a screw cap assembly; the top cover assembly and the auxiliary top cover mechanism are used for pushing up or pulling down the cylinder cover assembly; the spiral cover component is used for driving the cylinder cover component to horizontally rotate to open or close.
Description
Technical Field
The invention relates to a cylinder cover opening device, in particular to an underwater balance type cylinder cover opening device, and belongs to the technical field of underwater equipment.
Background
The cylinder cover opening device is an important component part of the underwater platform and is mainly used for realizing the opening and closing functions of the cylinder cover before and after effective loads in the underwater platform enter external seawater. For underwater platforms, the opening is often a weak link for pressure and sealing. In order to ensure pressure resistance, it is required that the cover must ensure sufficient structural strength, so that the weight of the cover tends to be relatively large. During the opening process of the cylinder cover, the center of gravity and the floating center of the cylinder cover are always changed, which can lead to the fact that the small underwater platform cannot maintain the normal working posture. In addition, some underwater platforms are also provided with an inner cover, a large space is usually reserved between the inner cover and the cylinder cover, a large amount of seawater can enter after the cylinder cover is opened, so that the original buoyancy of the underwater platform is lost, the large-sized underwater platform is balanced through a self-carried balancing system, and the small-sized underwater platform is unstable due to the fact that the balance of gravity and buoyancy cannot be maintained.
Patent application 201410197866.6, namely an underwater uncapping device, proposes to overcome the locking spring force by adopting air bag inflation extrusion to realize uncapping; patent application No. 200610124631.X discloses a cover opening mechanism under water, which is to adopt interlocking actions such as steel ball falling caused by inflation and expansion of an air bag to realize cover opening. The design purpose of the cover opening mechanism is to open the cover to release the air bag so as to obtain larger buoyancy to realize floating, and the cover opening mechanism is arranged in the cylinder opening to cause the cover opening mechanism to occupy the position of the cylinder opening to block the passage before and after the cover opening, so that the cover opening mechanism is only suitable for the specific use occasion of opening the cover to release the air bag. The patent application 202010571922.3, namely a general large-depth underwater XXX emission cylinder cover structure device, proposes that a small hydraulic cylinder is adopted to unlock, two large hydraulic cylinders are used as a driving mechanism to realize cover opening, and the cover opening mode does not consider the problems of weight balance, buoyancy loss and the like of cylinder covers before and after cover opening, and is not suitable for a small underwater platform with higher requirements on stability and balance. Patent application 202110717302.0 ' a throw-type emission cylinder uncapping mechanism ' proposes to adopt explosion bolts and U-shaped open slot design to realize throw-type uncapping, but this uncapping mode uses initiating explosive devices and can't reuse uncapping mechanism in the period of work under water.
Disclosure of Invention
The purpose of the invention is that: the utility model provides a balanced type cover opening device under water, can effectively solve the gravity and buoyancy balance, the buoyancy loss scheduling problem of cover before and after uncapping among the overcoming the cover opening mechanism existence among the prior art not only is applicable to the large-scale underwater platform that needs the uncapping, is particularly useful for the small-size underwater platform that requires higher to stability and equilibrium.
The technical scheme of the invention is as follows: an underwater balanced lid opening device comprising: the device comprises a barrel opening part, a barrel cover assembly, a pressure equalizing assembly, an auxiliary top cover mechanism and a top screwing cover composite mechanism;
the cylinder cover assembly is covered at the top opening of the cylinder mouth and is used for sealing the top opening of the cylinder mouth; the cylinder cover component is in a zero-buoyancy state;
the pressure equalizing component is used for equalizing pressure inside and outside the opening of the cylinder body before the cylinder cover component is opened;
the auxiliary top cover mechanism and the top screwing cover composite mechanism are respectively fixed on two opposite sides of the outer circumference of the opening of the cylinder body; the top spiral cover compound mechanism includes: a cap assembly and a screw cap assembly; the top cover assembly and the auxiliary top cover mechanism are used for pushing up or pulling down the cylinder cover assembly; the spiral cover component is used for driving the cylinder cover component to horizontally rotate to open or close.
As a preferred mode of the present invention, the cap assembly includes: the top cover oil cylinder, the stop block B and the pressing block B; the top cap hydro-cylinder includes: a top cap oil cylinder body and a top cap piston rod;
the top cover oil cylinder body is fixedly connected with the cylinder opening, and the axis of the top cover oil cylinder body is parallel to the axis of the cylinder opening; the top of the top cover piston rod extends out of the top cover oil cylinder body and is matched with a square hole arranged on a main support lug at a corresponding position of the cylinder cover assembly through a square shaft section; the stop block B and the pressing block B which are fixed on the top cover piston rod clamp the main support lug, and when the top cover piston rod moves along the axis, the cylinder cover assembly is driven to synchronously move;
the bottom of the top cover piston rod extends out of the top cover oil cylinder body and is connected with the spiral cover assembly, and the spiral cover assembly is used for driving the top cover piston rod to rotate around the axis of the top cover piston rod, so that the cylinder cover assembly is driven to horizontally rotate to open or cover.
As a preferred mode of the present invention, the auxiliary roof mechanism includes: the device comprises an auxiliary oil cylinder, a stop block A and a pressing block A; the auxiliary cylinder includes: an auxiliary oil cylinder and an auxiliary piston rod;
the auxiliary oil cylinder body is fixedly connected with the cylinder opening, and the axis of the auxiliary oil cylinder body is parallel to the axis of the cylinder opening; the top of the auxiliary piston rod extends out of the auxiliary oil cylinder body to be matched with a side opening of an auxiliary supporting lug arranged at a corresponding position of the cylinder cover assembly;
the stop block A and the pressing block A which are fixed on the auxiliary piston rod clamp the auxiliary supporting lug, and when the auxiliary piston rod moves along the axis, the cylinder cover assembly is driven to move synchronously.
As a preferred mode of the present invention, the pressure equalizing assembly includes: the water injection valve is arranged at the water injection hole, the exhaust hole is arranged on the cylinder cover component, and the exhaust valve is arranged at the exhaust hole.
As a preferred mode of the present invention, the cartridge cap assembly includes: a cylinder cover body with negative buoyancy and a cover inner floating material with positive buoyancy; the cylinder cover body is downwards extended to form an annular surface for sealing and abutting with the inner surface of the cylinder opening part through a radial sealing ring.
As a preferred mode of the present invention, the cap assembly includes: the device comprises a spiral cover gear, a follow-up base, a spiral cover oil cylinder body and a piston type cylindrical rack;
the spiral cover gear and the thrust bearing are coaxially and fixedly connected to the top cover piston rod, one end of the follow-up base is sleeved outside the thrust bearing, and a rotating pair is formed by the follow-up base and the thrust bearing;
the spiral cover oil cylinder body is fixed on the follow-up base, and the spiral cover gear and a piston type cylindrical rack arranged in the spiral cover oil cylinder body form a gear pair.
As a preferred mode of the invention, the top spiral cover composite mechanism further comprises a guide shaft; and the guide is used for guiding the movement process of the top cover piston rod.
As a preferable mode of the invention, the axis of the guide shaft is parallel to the axis of the top cover piston rod, one end of the guide shaft is fixedly connected with a follower arm matched with the top cover piston rod through a rotating pair, and the other end of the guide shaft is fixedly connected with the follower base.
The beneficial effects are that:
(1) According to the invention, the cover inner floating material is additionally arranged in the cover body, so that the cover assembly can be just in an approximately zero-buoyancy state, and the underwater balance of the cover is maintained before and after the cover is opened, so that the underwater platform is ensured to be stable in posture all the time before and after the cover is opened.
(2) The floating material in the cover can be subjected to shape-preserving design and buoyancy design, is particularly suitable for use occasions with inner covers at the opening parts of the cylinder openings, and can ensure that buoyancy loss of the underwater platform is reduced as much as possible before and after the opening of the cylinder cover.
(3) In the opening process of the cylinder cover, the pressure equalizing assembly is used for equalizing pressure, and the inside and the outside of the cylinder cover assembly are exactly wrapped by seawater after equalizing pressure, so that the gravity and the buoyancy of the cylinder cover assembly are in a balanced state, and the top cover process can be completed only by providing a pushing force capable of overcoming the friction force of the cylinder opening sealing ring.
(4) According to the invention, in the opening process of the cylinder cover, the top cover is rotated through a plane instead of being turned over to open the cover, so that the acting area of the moving cylinder cover assembly and seawater can be reduced, the water resistance and the reaction thereof in the opening process can be reduced, and the invention is more suitable for being applied to a small underwater platform with higher requirements on stability and balance.
Drawings
FIG. 1 is an isometric view of the present invention with a cover closed;
FIG. 2 is a cross-sectional view of the invention with the cover closed;
FIG. 3 is a half cross-sectional view of a bottom view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is an isometric view of the cap in place;
fig. 6 is an isometric view of the cap in place.
Wherein: 100-cylinder mouth, 1-cylinder cover assembly, 2-equalizing assembly, 3-auxiliary top cover mechanism, 4-top spiral cover composite mechanism, 5-detection assembly, 11-cylinder cover body, 12-cover inner floating material, 13-radial sealing ring, 14-auxiliary supporting lug, 15-main supporting lug, 21-water filling hole, 22-water filling valve, 23 exhaust hole, 24 exhaust valve, 31-auxiliary oil cylinder, 32-auxiliary piston rod, 33-end cover, 34-stop A, 35-press block A, 40-top cover oil cylinder, 401-upper end cover, 402-lower end cover, 411-stop B, 412-press block B, 42-follower arm, 43-top cover piston rod, 44-spiral cover gear, 45-thrust sleeve, 461-piston type cylindrical rack, 462-spiral cover oil cylinder, 47-guide shaft, 48-follower base, 49-locking nut, 51-top cover in-place detection sensor, 52-closing in-place detection sensor, 53-movement induction block and 54-watertight angle sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The embodiment provides an underwater balance type cylinder cover opening device, which can effectively solve the problems of gravity, buoyancy balance, buoyancy loss and the like of cylinder covers before and after uncovering, and is particularly suitable for small underwater platforms with higher requirements on stability and balance.
As shown in fig. 1, the underwater balance type cap opening device includes: the device comprises a barrel opening part 100, a barrel cover assembly 1, a pressure equalizing assembly 2, an auxiliary top cover mechanism 3, a top screwing cover compound mechanism 4 and a detection assembly 5. The barrel opening 100 is of a hollow cylindrical structure, and an auxiliary top cover mechanism 3 and a top screwing cover composite mechanism 4 are respectively fixed on two opposite sides of the outer circumferential surface of the barrel opening.
As shown in fig. 2 and 3, the cap assembly 1 is cap-mounted at the top opening of the finish 100 for closing the top opening of the finish 100. The cartridge cap assembly 1 comprises: a cylinder cover body 11 with negative buoyancy and a cover inner floating material 12 with positive buoyancy; the cylinder cover body 11 is of an outwards convex arc structure, auxiliary supporting lugs 14 and main supporting lugs 15 are respectively arranged at positions, corresponding to the auxiliary top cover mechanism 3 and the top screwing cover composite mechanism 4, of the outer edge of the cylinder cover body 11, wherein the auxiliary supporting lugs 14 are provided with side openings and are matched with the auxiliary top cover mechanism 3, and the main supporting lugs 15 are provided with square holes and are matched with the top screwing cover composite mechanism 4. The in-cover float 12 is fixed on the inner surface of the cylinder cover body 11, and the in-cover float 12 can be subjected to shape-retaining design (such as keeping the lower profile of the in-cover float 12 consistent with the upper profile of the inner cover in the use occasion with the inner cover at the opening of the cylinder opening) and buoyancy design according to the requirements, so that the cylinder cover assembly 1 can be just in an approximately zero-buoyancy state. The cap body 11 extends downward to form an annular surface for sealing engagement with the inner surface of the barrel mouth 100 by a radial seal ring 13.
The pressure equalizing component 2 is used for equalizing the pressure inside and outside the barrel mouth 100; the pressure equalizing assembly 2 includes: a water filling hole 21 located at the outer circumferential surface of the can mouth 100, a water filling valve 22 installed at the water filling hole 21 for opening or closing the water filling hole 21, and an air discharging hole 23 located on the can lid body 11, and an air discharging valve 24 installed at the air discharging hole 23 for opening or closing the air discharging hole 23; wherein the water injection valve 22 and the exhaust valve 24 are in a normally closed state, and after the water injection valve 22 is opened, external seawater enters the cylinder cover through the water injection hole 21; after the exhaust valve 24 is opened, air in the cylinder cover is exhausted through the exhaust hole 23.
The auxiliary top cover mechanism 3 is used for cooperating with the top screwing cover composite mechanism 4 to realize cover opening/closing actions during the opening and closing process of the cylinder cover assembly 1. The auxiliary roof mechanism 3 includes: the auxiliary oil cylinder, the end cover 33, the stop block A34 and the pressing block A35; wherein the auxiliary cylinder comprises an auxiliary cylinder body 31 and an auxiliary piston rod 32; the auxiliary oil cylinder 31 is fixedly connected with the cylinder mouth 100, the axis of the auxiliary oil cylinder 31 is parallel to the axis of the cylinder mouth 100, the bottom of the auxiliary oil cylinder 31 is closed, and the top opening is closed by the end cover 33, so that the auxiliary piston rod 32 is limited to move along the axis of the auxiliary oil cylinder 31; the top of the auxiliary piston rod 32 extends out of the end cover 33 and is positioned in a side opening of the auxiliary supporting lug 14, the stop block A34 and the pressing block A35 are respectively fixed at the tail end setting position of the extending end of the auxiliary piston rod 32 through pins, the distance between the stop block A34 and the pressing block A35 is just matched with the thickness of the auxiliary supporting lug 14, namely, the stop block A34 and the pressing block A35 are respectively positioned on the upper side and the lower side of the auxiliary supporting lug 14 and clamp the auxiliary supporting lug 14. The size of the shaft diameter of the auxiliary piston rod 32 between the stop block A34 and the pressing block A35 is matched with the size of the side opening of the auxiliary supporting lug 14.
The top screwing cap compound mechanism 4 is used for driving the cylinder cap assembly 1 to open or close; as shown in fig. 3 and 4, the top screw cap compounding mechanism 4 includes: a cap assembly and a screw cap assembly; wherein the top cover assembly is used for pushing up or pulling down the cylinder cover assembly 1; the rotary cover component is used for driving the cylinder cover component 1 to horizontally rotate to open or close. The top cap subassembly includes: the top cover oil cylinder, the upper end cover 401, the lower end cover 402, the stop block B411 and the pressing block B412 are formed by the top cover oil cylinder body 40 and the top cover piston rod 43; the screw cap assembly includes: the driver arm 42, the screw cap gear 44, the thrust sleeve 45, the piston type cylindrical rack 461, the screw cap cylinder 462, the guide shaft 47, the follower base 48, and the lock nut 49. The top cap oil cylinder 40 is fixedly connected with the cylinder mouth 100, the axis of the top cap oil cylinder 40 is parallel to the axis of the cylinder mouth 100, the top cap oil cylinder 40 is of a cylindrical structure with two open ends, and the two open ends are respectively closed by an upper end cover 401 and a lower end cover 402. The piston in the middle of the top cover piston rod 43 is located inside the top cover oil cylinder 40, and the upper and lower ends respectively penetrate through the upper end cover 401 and the lower end cover 402. The stop block B411 and the pressing block B412 are respectively fixed at the upper end of the part of the top cover piston rod 43 extending out of the upper end cover 401 through pins, and the follower arm 42 and the main supporting lug 15 are sequentially clamped between the stop block B411 and the pressing block B412 from top to bottom, wherein a rotating pair is formed between the follower arm 42 and the top cover piston rod 43, and the part of the top cover piston rod 43 positioned in the square hole of the main supporting lug 15 is positioned in the square section matched with the square hole (so as to prevent the top cover piston rod 43 and the cylinder cover assembly 1 from rotating relatively, and the top cover piston rod 43 can drive the cylinder cover assembly 1 to rotate reliably); the lower end of the part of the top cover piston rod 43 extending out of the lower end cover 402 is sequentially fixed with a spiral cover gear 44 and a thrust sleeve 45 from top to bottom, and the thrust sleeve 45 and a shaft hole of the follow-up base 48 form a rotary pair (namely, one end of the follow-up base 48 is sleeved outside the thrust sleeve 45 and forms a rotary pair with the thrust sleeve 45); the screw cap oil cylinder 462 is fixed on the follower base 48, the screw cap gear 44 and the piston type cylindrical rack 461 mounted inside the screw cap oil cylinder 462 form a gear pair, the axis of the guide shaft 47 is parallel to the axis of the top cap piston rod 43, the top shaft shoulder and the follower arm 42 are fixed together, and the bottom screw thread end sequentially passes through the guide holes on the upper end cap 401 and the lower end cap 402 and then is fixed with the follower base 48 through the lock nut 49.
The detection assembly 5 includes: a top cover in-place detecting sensor 51 mounted on the upper surface of the lower cover 402, a closing cover in-place detecting sensor 52 mounted on the lower surface of the upper cover 401, a movement sensing block 53 mounted on the guide shaft 47, and a watertight angle sensor 54 mounted on the bottom of the follower base 48. The moving sensing block 53 is used for being matched with the top cover in-place detection sensor 51 and the cover closing in-place detection sensor 52 to realize top cover in-place detection and cover closing in-place detection; the watertight angle sensor 54 is used to detect the cap screwing angle of the cap assembly 1.
As shown in fig. 5 and 6, the working process of the underwater balance type cylinder cover opening device is as follows:
at first, the cylinder cover assembly 1 is in a closed state, when the cover needs to be opened, the water injection valve 22 and the exhaust valve 24 in the pressure equalizing assembly 2 are simultaneously opened to equalize pressure, at the moment, external seawater enters the cylinder cover through the water injection holes 21, and meanwhile, air in the cylinder cover is exhausted through the exhaust holes 23. After the pressure equalizing setting time, the auxiliary top cover mechanism 3 and the top screwing cover composite mechanism 4 start to work simultaneously, namely the auxiliary cylinder and the top cover cylinder act simultaneously, and the auxiliary piston rod 32 and the top cover piston rod 43 extend; the auxiliary piston rod 32 and the top cover piston rod 43 respectively jack up the cylinder cover assembly 1 by pushing the auxiliary supporting lugs 14 and the main supporting lugs 15 (in the process, the guide shaft 47 plays a guiding role); in the top cover process, the top cover in-place detection sensor 51 and the movement sensing block 53 cooperate to detect whether the top cover of the cylinder cover assembly 1 is in place, after the top cover is in place, the piston type cylindrical rack 461 is controlled to linearly move, the gear pair drives the spiral cover gear 44 to rotate, and then the cylinder cover assembly 1 is driven to rotate, so that the cylinder cover assembly 1 horizontally rotates and is opened, the cover opening process is realized, in the cover rotating process, the watertight angle sensor 54 detects the spiral cover angle of the cylinder cover assembly 1, and the real-time feedback is used for controlling the whole cover opening process.
In summary, the above is only one embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An underwater balanced lid opening device, comprising: a cylinder mouth part (100), a cylinder cover assembly (1), a pressure equalizing assembly (2), an auxiliary top cover mechanism (3) and a top screwing cover compound mechanism (4);
the cylinder cover assembly (1) is arranged at the top opening of the cylinder opening (100) in a covering manner and is used for sealing the top opening of the cylinder opening (100); the cylinder cover assembly (1) is in a zero-buoyancy state;
the pressure equalizing component (2) is used for equalizing pressure inside and outside the cylinder mouth (100) before the cylinder cover component (1) is opened;
the auxiliary top cover mechanism (3) and the top screwing cover compound mechanism (4) are respectively fixed on the opposite sides of the excircle Zhou Liangxiang of the cylinder opening (100); the top spiral cover composite mechanism (4) comprises: a cap assembly and a screw cap assembly; the top cover assembly and the auxiliary top cover mechanism (3) are used for pushing up or pulling down the cylinder cover assembly (1); the rotary cover assembly is used for driving the cylinder cover assembly (1) to horizontally rotate to open or close;
the top cap assembly includes: a top cover oil cylinder; the top cap hydro-cylinder includes: a top cover oil cylinder body (40) and a top cover piston rod (43);
the cap screwing assembly includes: a screw cap gear (44), a follow-up base (48), a screw cap oil cylinder (462) and a piston type cylindrical rack (461);
the spiral cover gear (44) and the thrust bearing (45) are coaxially and fixedly connected to the top cover piston rod (43), one end of the follow-up base (48) is sleeved outside the thrust bearing (45), and a rotating pair is formed with the thrust bearing (45);
the spiral cover oil cylinder body (462) is fixed on the follow-up base (48), and the spiral cover gear (44) and a piston type cylindrical rack (461) arranged in the spiral cover oil cylinder body (462) form a gear pair;
the cartridge cap assembly (1) comprises: a cylinder cover body (11) with negative buoyancy and a cover inner floating material (12) with positive buoyancy; the cover inner floating material (12) is fixed on the inner surface of the cylinder cover body (11); the cylinder cover body (11) is downwards extended to form an annular surface for sealing and abutting with the inner surface of the cylinder opening (100) through a radial sealing ring (13).
2. The subsea balanced lid opening device of claim 1, wherein the cap assembly further comprises: a stop B (411) and a pressing block B (412);
the top cover oil cylinder body (40) is fixedly connected with the cylinder opening (100), and the axis of the top cover oil cylinder body (40) is parallel to the axis of the cylinder opening (100); the top of the top cover piston rod (43) extends out of the top cover oil cylinder body (40) to be matched with a square hole on a main support lug (15) arranged at a corresponding position of the cylinder cover assembly (1) through a square shaft section; the stop block B (411) and the pressing block B (412) which are fixed on the top cover piston rod (43) clamp the main supporting lug (15), and when the top cover piston rod (43) moves along the axis, the cylinder cover assembly (1) is driven to move synchronously;
the bottom of the top cover piston rod (43) extends out of the top cover oil cylinder body (40) and is connected with the spiral cover assembly, and the spiral cover assembly is used for driving the top cover piston rod (43) to rotate around the axis of the spiral cover assembly, so that the cylinder cover assembly (1) is driven to horizontally rotate to open or cover.
3. The underwater balanced lid opening device as claimed in claim 1, characterized in that the auxiliary lid mechanism (3) comprises: the auxiliary oil cylinder, the stop block A (34) and the pressing block A (35); the auxiliary cylinder includes: an auxiliary oil cylinder (31) and an auxiliary piston rod (32);
the auxiliary oil cylinder body (31) is fixedly connected with the cylinder opening (100), and the axis of the auxiliary oil cylinder body (31) is parallel to the axis of the cylinder opening (100); the top of the auxiliary piston rod (32) extends out of the auxiliary oil cylinder body (31) to be matched with a side opening of an auxiliary supporting lug (14) arranged at a corresponding position of the cylinder cover assembly (1);
the auxiliary supporting lug (14) is clamped by the stop block A (34) and the pressing block A (35) which are fixed on the auxiliary piston rod (32), and the cylinder cover assembly (1) is driven to synchronously move when the auxiliary piston rod (32) moves along the axis.
4. The underwater balanced lid opening device according to claim 1, characterized in that the pressure equalizing assembly (2) comprises: a water injection hole (21) positioned on the outer circumferential surface of the cylinder mouth (100), a water injection valve (22) arranged at the water injection hole (21), an exhaust hole (23) positioned on the cylinder cover assembly (1) and an exhaust valve (24) arranged at the exhaust hole (23).
5. The underwater balanced lid opening device as claimed in claim 1, characterized in that the top-screw lid compounding mechanism (4) further comprises a guide shaft (47); for guiding the movement of the cap piston rod (43).
6. The underwater balanced type cylinder cover opening device as claimed in claim 5, characterized in that the axis of the guide shaft (47) is parallel to the axis of the top cover piston rod (43), one end of the guide shaft is fixedly connected with a follower arm (42) matched with the top cover piston rod (43) through a rotating pair, and the other end of the guide shaft is fixedly connected with the follower base (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111249082.XA CN114056751B (en) | 2021-10-26 | 2021-10-26 | Underwater balance type cylinder cover opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111249082.XA CN114056751B (en) | 2021-10-26 | 2021-10-26 | Underwater balance type cylinder cover opening device |
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| Publication Number | Publication Date |
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| CN114056751A CN114056751A (en) | 2022-02-18 |
| CN114056751B true CN114056751B (en) | 2024-04-05 |
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| CN202111249082.XA Active CN114056751B (en) | 2021-10-26 | 2021-10-26 | Underwater balance type cylinder cover opening device |
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| CN111692913A (en) * | 2020-06-22 | 2020-09-22 | 中国船舶重工集团公司第七一三研究所 | Universal large-depth underwater missile launching cylinder cover structure device |
| CN211663931U (en) * | 2019-12-13 | 2020-10-13 | 蓝箭航天技术有限公司 | Lifting and rotating device |
| CN112441198A (en) * | 2019-08-10 | 2021-03-05 | 天津大学青岛海洋技术研究院 | Oil tank for adjusting buoyancy of deep sea exploration submersible |
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2021
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| JPS5399475A (en) * | 1977-02-09 | 1978-08-30 | Siemens Ag | Bistable snap action mechanism |
| CN105711779A (en) * | 2016-03-16 | 2016-06-29 | 河海大学常州校区 | Underwater flushing robot with eight propellers |
| CN107344606A (en) * | 2016-05-06 | 2017-11-14 | 哈尔滨歌瑞得莱机器人制造有限公司 | The underwater running gear of Magnetic driving compound pedrail |
| CN112441198A (en) * | 2019-08-10 | 2021-03-05 | 天津大学青岛海洋技术研究院 | Oil tank for adjusting buoyancy of deep sea exploration submersible |
| CN211663931U (en) * | 2019-12-13 | 2020-10-13 | 蓝箭航天技术有限公司 | Lifting and rotating device |
| CN111692913A (en) * | 2020-06-22 | 2020-09-22 | 中国船舶重工集团公司第七一三研究所 | Universal large-depth underwater missile launching cylinder cover structure device |
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| CN114056751A (en) | 2022-02-18 |
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