CN110901834B - Multistage parallel load rejection device and deep sea lander - Google Patents
Multistage parallel load rejection device and deep sea lander Download PDFInfo
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- CN110901834B CN110901834B CN201911024443.3A CN201911024443A CN110901834B CN 110901834 B CN110901834 B CN 110901834B CN 201911024443 A CN201911024443 A CN 201911024443A CN 110901834 B CN110901834 B CN 110901834B
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- release
- fixing plate
- load rejection
- locking
- side fixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B23/00—Equipment for handling lifeboats or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B23/00—Equipment for handling lifeboats or the like
- B63B23/70—Condition-responsive handling equipment, e.g. automatic release of boat from lowering tackle upon contact with water
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Abstract
The invention discloses a multistage parallel load rejection device, which comprises a mounting plate; the steel wire driving load rejection assembly comprises a pre-tensioned steel wire, a first release mechanism and a first release lever, the first release lever is provided with a first lock catch which can be opened and closed, and the first lock catch can be opened through the first release mechanism after the pre-tensioned steel wire is released; the electromagnetic driving load rejection assembly comprises an electromagnetic driving part, a second release mechanism and a second release lever, and the second release lever is provided with a second lock catch capable of being opened and closed; the electromagnetic driving part can enable the second lock catch to be opened through the second release mechanism; two ends of the release chain are respectively connected with the first lock catch and the second lock catch, and after the first lock catch or the second lock catch is opened, the release chain is separated from the first lock catch or the second lock catch. According to the load rejection device, the steel wire driving load rejection component and the electromagnetic driving load rejection component are two independent release systems and are respectively connected with two ends of the release chain, and the load rejection release work can be completed by releasing one end of the release chain, so that the safety and reliability of the system are improved.
Description
Technical Field
The invention relates to a load rejection device, in particular to a multistage parallel load rejection device and a deep sea lander.
Background
In recent years, with the implementation of the national ocean strategy, the research of ocean, particularly deep sea, is continuously increasing in temperature, and the research, observation and sampling means are increasingly diversified. According to the scientific target of deep sea bottom observation, various observation instruments are fixed on a frame and are arranged on the sea bottom for long-term and automatic in-situ observation, thus forming the deep sea lander. When the deep sea lander frame finishes an observation task, the heavy blocks need to be abandoned, and the device is lifted to the sea surface from the sea bottom by virtue of the buoyancy material to realize recovery. In the prior art, the weight can be unloaded through an acoustic releaser, a combustion ring, an erosion link or explosive fracture, but when an accident happens, the above various load rejection modes may be failed, and once the failure occurs, the load rejection cannot be completed. For safety reasons, it is generally necessary to use more than 2 separate delivery systems.
Disclosure of Invention
Based on the technical problem, the invention aims to provide the multistage parallel load rejection device and the deep sea lander which are safe in working and high in reliability.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a multi-stage parallel load rejection device comprising:
mounting a plate;
the steel wire driving load rejection assembly is fixed at the bottom of the mounting plate and comprises a pre-tensioned steel wire, a first release mechanism and a first release lever, the first release lever is provided with a first lock catch which can be opened and closed, and the first lock catch can be opened through the first release mechanism after the pre-tensioned steel wire is released;
the electromagnetic driving load rejection assembly is fixed at the bottom of the mounting plate and comprises an electromagnetic driving component, a second release mechanism and a second release lever, and the second release lever is provided with a second lock catch capable of being opened and closed; the electromagnetic driving part can enable the second lock catch to be opened through the second release mechanism;
and two ends of the release chain are respectively connected with the first lock catch of the first release lever and the second lock catch of the second release lever, and after the first lock catch or the second lock catch is opened, the release chain is separated from the first lock catch or the second lock catch.
Further, the manual driving load rejection assembly comprises a third release mechanism, and the second lock catch can be opened through the third release mechanism.
Further, the steel wire driving load rejection assembly comprises a first outer side fixing plate and a first inner side fixing plate which are arranged at intervals; the first release lever comprises two first rotating levers which are rotatably arranged between the first outer side fixing plate and the first inner side fixing plate, the bottoms of the two first rotating levers are buckled to form the first lock catch, and when the two first rotating levers rotate to be opened, the first lock catch is opened; the first release mechanism comprises a first locking mechanism and a first release driving mechanism, and the first locking mechanism is connected with the first release lever and used for locking the rotation of the two first rotating rods; the pretension steel wire is connected with the first locking mechanism through the first release driving mechanism, and when the pretension steel wire is released, the first release driving mechanism releases the locking of the first locking mechanism on the first release lever.
Further, the first locking mechanism comprises a first locking ring, a first rotating rod, a first driving spring and a release pin; the first locking ring is rotatably arranged between the first outer side fixing plate and the first inner side fixing plate and can limit the rotation of the first rotating rod; one end of the first rotating rod is fixed with the first locking ring and is rotatably arranged on the outer side surface of the first outer side fixing plate, and the other end of the first rotating rod is locked on the first outer side fixing plate through the release pin; one end of the first driving spring is fixedly connected with the first outer side fixing plate, and the other end of the first driving spring is fixed with the first rotating rod.
Further, the first release driving mechanism comprises an upper routing pulley, a lower routing pulley, a pre-tensioning spring and a release steel wire; the upper routing pulley and the lower routing pulley are fixed on the first outer side fixing plate, the pre-tensioning spring is arranged between the upper routing pulley and the lower routing pulley, the lower end of the pre-tensioning spring is fixed with the first outer side fixing plate, and the upper end of the pre-tensioning spring is connected with the pre-tensioning steel wire; the release steel wire is connected with the upper end of the pre-tensioning spring, sequentially bypasses the upper routing pulley and the lower routing pulley and then is connected with the release pin; after the pre-tensioning steel wire is released, the pre-tensioning spring resets and pulls the release pin through the release steel wire, so that the release pin is separated from the first rotating rod, and the rotation locking of the first rotating rod is released.
Further, the electromagnetic drive load rejection assembly comprises a second outer side fixing plate and a second inner side fixing plate which are arranged at intervals; the second release lever comprises two second rotating levers which are rotatably arranged between the second outer side fixing plate and the second inner side fixing plate, the bottoms of the two second rotating levers are buckled to form a second lock catch, and when the two second rotating levers rotate to be opened, the second lock catch is opened; the second release mechanism comprises a second locking mechanism and a second release driving mechanism, and the second locking mechanism is connected with the second release lever and used for locking the rotation of the two second rotating rods; the electromagnetic driving component is in driving connection with the second release driving mechanism, and the second release driving mechanism is used for releasing the locking of the second locking mechanism on the second release lever.
Furthermore, the second locking mechanism comprises a second locking ring, a second rotating rod, a second driving spring and a pin shaft pressing rod; the second dead locking ring is rotatably arranged between the second outer side fixing plate and the second inner side fixing plate and can limit the rotation of one second rotating rod in the second release lever; one end of the second rotating rod is fixed with the second locking ring and is rotatably arranged on one side, away from the second outer side fixing plate, of the second inner side fixing plate, the other end of the second rotating rod is provided with a second jack, one end of the pin shaft pressing rod is provided with a protruding part, and the protruding part is inserted into the second jack of the second rotating rod to lock the second rotating rod on the second inner side fixing plate; one end of the second driving spring is fixedly connected with the second inner side fixing plate, and the other end of the second driving spring is fixed with the second rotating rod.
Further, the third release mechanism of the manual driving load rejection assembly comprises a third locking mechanism and a third release driving mechanism, and the third locking mechanism is connected with the second release lever and used for locking the rotation of the two second rotating levers; the third release driving mechanism releases the locking of the third release lever by the third locking mechanism.
Furthermore, the third locking mechanism comprises a third locking ring, a third rotating rod, a third driving spring and a movable handle; the third dead locking ring is rotatably arranged between the second outer side fixing plate and the second inner side fixing plate and can limit the rotation of the other second rotating rod in the second release lever; one end of the third rotating rod is fixed with the third locking ring and is rotatably arranged on the outer side surface of the second outer side fixing plate, the other end of the third rotating rod is provided with a third jack, one end of the movable handle is provided with an inserting part, and the inserting part is inserted into the third jack of the third rotating rod to lock the third rotating rod on the second outer side fixing plate; one end of the third driving spring is fixedly connected with the second outer side fixing plate, and the other end of the third driving spring is fixed with the third rotating rod.
The deep sea lander comprises the multistage parallel load rejection device.
Compared with the prior art, the invention has the advantages and positive effects that:
according to the multistage parallel load rejection device, the steel wire driving load rejection component and the electromagnetic driving load rejection component are two independent release systems and are respectively connected with two ends of the release chain, and the load rejection release work can be completed by releasing one end of the release chain, so that the safety and reliability of the system are improved.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a first perspective view of a multi-stage parallel load rejection device of the present invention;
FIG. 2 is a second perspective view of the multi-stage parallel load rejection device of the present invention;
FIG. 3 is a perspective view of an electromagnetic drive load rejection assembly and a manual drive load rejection assembly in the multi-stage parallel load rejection device of the present invention;
FIG. 4 is a schematic structural diagram of a wire-driven load rejection assembly in the multi-stage parallel load rejection device according to the present invention;
FIG. 5 is a schematic structural diagram of an electromagnetically driven load rejection assembly in the multi-stage parallel load rejection apparatus according to the present invention;
FIG. 6 is a schematic structural diagram of a manual driving load rejection assembly in the multi-stage parallel load rejection device according to the present invention;
FIG. 7 is a schematic structural diagram of a first release lever and a locking ring in the multi-stage parallel load rejection device of the present invention;
FIG. 8 is a schematic structural diagram of an electromagnetic driving component in the multi-stage parallel load rejection apparatus according to the present invention;
FIG. 9 is a cross-sectional view A-A of FIG. 8;
FIG. 10 is a schematic structural diagram of a pop-up mechanism in the multi-stage parallel load rejection apparatus according to the present invention;
FIG. 11 is a cross-sectional view taken along line B-B of FIG. 10;
description of reference numerals:
a mounting plate 1;
releasing the chain 2;
a wire driven load rejection assembly 100;
a pre-tensioned steel wire 110;
a first release lever 120; a first lock catch 121; the first rotating lever 122; a lock mating portion 1221; a locking portion 1221;
a first outer fixing plate 131; a first inner fixing plate 132;
a first locking ring 141; a deadlocking portion 1411; a first locking ring shaft 142; (ii) a A first rotating lever 143; a first drive spring 144; a release pin 145;
an upper wire-laying pulley 151; a lower routing pulley 152; a pre-tension spring 153; a release wire 154;
a small shaft 161; an E-shaped buckle 162;
an electromagnetically driven load rejection assembly 200;
an electromagnetic drive section 210; a housing 211; a core 212; an electromagnetic coil 213; insulating oil 214; an electromagnet round nut 215; a seal ring 216; an oil-filled hose 217; a power supply cable 218;
a second release lever 220; a second lock catch 221; the second rotating shaft 222;
a second outer fixing plate 221; a second inner fixing plate 222;
a second dead lock ring 241, a second dead lock ring shaft 242; a second rotating rod 243, a second driving spring 244, a pin pressing rod 245; the boss 2451;
a pin shaft compression bar rotating shaft 250; an ejection mechanism 260; an eject mechanism housing 261; an end cap 262; a spring 263; a pin 264;
manually driving the load rejection assembly 300;
a fixed handle 321; a chute 3211; a hold-down spring 322;
a shear pin 411; a fixed shaft 412; the spindle nut 413 is fixed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-11, one embodiment of the multi-stage parallel load rejection apparatus of the present invention is shown. Referring to fig. 1 and 2, the multistage parallel load rejection device comprises a mounting plate 1, a steel wire driving load rejection assembly 100 mounted on the mounting plate 1, an electromagnetic driving load rejection assembly 200, and a release chain 2.
The steel wire driving load rejection assembly 100 is fixed at the bottom of the mounting plate 1 and comprises a pre-tensioning steel wire 110, a first release mechanism and a first release lever 120, wherein the first release lever 120 is provided with a first lock catch 121 capable of being opened and closed, and the first lock catch 121 of the first release lever 120 can be opened through the first release mechanism after the pre-tensioning steel wire 110 is released.
The electromagnetic drive load rejection assembly 200 is fixed at the bottom of the mounting plate 1 and comprises an electromagnetic drive component 210, a second release mechanism and a second release lever 220, wherein the second release lever 220 is provided with a second lock catch 221 which can be opened and closed; the electromagnetic driving part 210 can open the second latch 221 of the second release lever 220 through the second release mechanism.
The release chain 2 is used for suspending loads such as a weight, two ends of the release chain 2 are respectively connected with the first lock catch 121 of the first release lever 120 and the second lock catch 221 of the second release lever 220, and after the first lock catch 121 or the second lock catch 221 is opened, the release chain 2 can be separated from the first lock catch 121 or the second lock catch 221, so that the load rejection operation is completed.
In the multistage parallel load rejection device, the steel wire drive load rejection component 100 and the electromagnetic drive load rejection component 200 are two independent release systems, and are respectively connected with two ends of the release chain 2, and one end of the release chain is released to complete load rejection release work, so that the safety and reliability of the system are improved.
As shown in fig. 3, in order to further improve the system reliability, the multi-stage parallel load rejection apparatus is further provided with a manual driving load rejection assembly 300, and the manual driving load rejection assembly 300 includes a third release mechanism, by which the second lock catch 221 of the second release lever 220 can be opened. Namely, the electromagnetic driving load rejection assembly 200 and the manual driving load rejection assembly 300 jointly act on the second release lever 220 to form a manual electromagnetic parallel load rejection system. In the deep sea actual operation, the manual driving load rejection assembly 300 is controlled to realize the load rejection operation.
Referring to fig. 4, the specific structure of the wire drive load rejection assembly 100 will be described in detail. The pre-tensioned wire 110 is connected to a deep sea acoustic release, the pre-tensioned wire 110 being always in tension before the release. The wire-driven load rejection assembly 100 further includes a first outer fixing plate 131 and a first inner fixing plate 132 which are spaced apart from each other. The first outer fixing plate 131 and the first inner fixing plate 132 are spaced apart from each other in parallel and are vertically mounted on the lower bottom surface of the mounting plate 1. The first release lever 120 includes two first rotating levers 122 rotatably disposed between the first outer fixing plate 131 and the first inner fixing plate 132, and the bottoms of the two first rotating levers 122 have semicircular locking portions 1221, and the two locking portions 1221 are fastened to form the first lock 121. The two first rotating levers 122 are rotatably disposed between the first outer fixing plate 131 and the first inner fixing plate 132 through small shafts 161, respectively. Both ends of the small shaft 161 are fixed to the first outer fixing plate 131 and the first inner fixing plate 132 by E-shaped snaps 162. When the lower portions of the two first rotating levers 122 are rotated to open, the first latches 121 are opened.
The first release mechanism comprises a first locking mechanism and a first release driving mechanism, and the first locking mechanism is connected with the first release lever 120 and is used for locking the rotation of the two first rotating rods 122; the pretensioned wire 110 is connected to a first locking mechanism by a first release drive mechanism, and when the pretensioned wire 110 is released, the first release drive mechanism releases the first locking mechanism from locking the first release lever 120.
The first locking mechanism includes a first locking ring 141, a first rotating lever 143, a first driving spring 144, and a release pin 145. The first locking ring 141 is rotatably disposed between the first outer fixing plate 131 and the first inner fixing plate 132 by a first locking ring shaft 142. As shown in fig. 7, the first locking ring 141 is provided with a protruding locking portion 1411, and the first rotation lever 122 of the first release lever 120 is provided with a locking engagement portion 1221 capable of abutting against the locking portion 1411 of the first locking ring 141. After the first locking ring 141 locks the first rotating rod 122, the first rotating rod 122 cannot rotate, so that the first lock catch 121 at the bottom is kept in a closed state. One end of the first rotating rod 143 is fixed to the first locking ring 141, and is rotatably disposed on the outer side surface of the first outer fixing plate 131, a first insertion hole is formed in the other end of the first rotating rod 143, and the release pin 145 is inserted into the first insertion hole to lock the first rotating rod 143 on the first outer fixing plate 131. One end of the first driving spring 144 is fixedly connected to the first outer fixing plate 131, and the other end thereof is fixed to the first rotating rod 143. When the releasing pin 145 is disengaged from the first insertion hole, the first driving spring 144 is reset to drive the first rotating rod 143 to rotate, and then the first rotating rod 143 drives the first locking ring 141 to rotate, the blocking effect on the first rotating rod 122 after the first locking ring 141 rotates is eliminated, the first locking buckle 121 of the first releasing lever 120 can be opened, and the releasing work is completed. In this embodiment, the first release mechanism is preferably provided with two, acting on the two first turning levers 122 of the first release lever 120, respectively.
The first release driving mechanism comprises an upper routing pulley 151, a lower routing pulley 152, a pre-tensioning spring 153 and a release steel wire 154; the upper and lower routing pulleys 151 and 152 are fixed to the first outer fixing plate 131 one above the other. The pretensioned spring 153 is disposed between the upper wire pulley 151 and the lower wire pulley 152, and the pretensioned spring 153 is fixed to the first outer fixing plate 131 at its lower end and connected to the pretensioned wire 110 at its upper end. The release wire 154 is connected to the upper end of the pretensioned spring 153, and the release wire 154 is connected to the release pin 145 after passing around the upper and lower wire pulleys 151 and 152 in order. When the pretensioned wire 110 is released, the pretensioned spring 153 is returned and pulls the release pin 145 by the release wire 154, so that the release pin 145 is disengaged from the first insertion hole of the first rotating lever 143, and the rotational lock of the first rotating lever 143 is released.
The load rejection process of the steel wire driving load rejection assembly 100 is as follows: the deep sea acoustic releaser releases the pretensioned steel wire 110, the pretensioned spring 153 pulls the release steel wire 154 again, the release steel wire 154 pulls the release pin 145 out of the first insertion hole of the first rotating lever 143, and the rotational lock of the first rotating lever 143 is released. The first rotating rod 143 rotates along the upper end thereof under the action of the pulling force of the first driving spring 144, and further drives the first locking ring shaft 142 and the first locking ring 141 to rotate, and after the first locking ring 141 rotates, the first rotating rod 122 is unlocked to rotate, so that the first lock catch 121 at the bottom can be opened, and the load rejection operation is completed.
Referring to fig. 5, the specific structure of the electromagnetically driven load rejection assembly 200 will be described in detail. The electromagnetic driving load rejection assembly 200 includes a second outer fixing plate 221 and a second inner fixing plate 222 which are arranged in parallel and spaced apart. The second release lever 220 includes two second rotating levers 222 rotatably disposed between the second outside fixing plate 221 and the second inside fixing plate 222, and the bottoms of the two first rotating levers 122 have semicircular locking portions 1221, and the two locking portions 1221 are fastened to form the second locking catch 221. The two second rotating levers 222 are rotatably disposed between the second outer fixing plate 221 and the second inner fixing plate 222 through small shafts 161, respectively. Both ends of the small shaft 161 are fixed to the second outer fixing plate 221 and the second inner fixing plate 222 by E-type snaps 162. When the lower portions of the two second rotating levers 222 are rotated to be opened, the second locker 221 is opened.
The second release mechanism includes a second locking mechanism and a second release driving mechanism, and the second locking mechanism is connected to the second release lever 220 and is used for locking the rotation of the two second rotating levers 222; the electromagnetic driving part 210 is drivingly connected to a second release driving mechanism for releasing the second release lever 220 from being locked by the second locking mechanism.
The second locking mechanism includes a second locking ring 241, a second rotating rod 243, a second driving spring 244, and a pin pressing rod 245. The second dead lock ring 241 is rotatably disposed between the second outer fixing plate 221 and the second inner fixing plate 222 by a second dead lock ring shaft 242. The second locking ring 241 is provided with a protruding locking portion, a locking mating portion abutting against the locking portion 1411 of the second locking ring 241 is provided on one second rotating lever 222 on the second release lever 220, and after the second rotating lever 222 is locked by the second locking ring 241, the second rotating lever 222 cannot rotate, so that the second lock catch 221 at the bottom remains in a closed state. The second release lever is identical in structure to the first release lever in this embodiment. After the second locking ring 241 locks the second release lever 220, the two second rotating levers 222 of the second release lever 220 cannot rotate, so that the second bottom latch 221 remains closed. One end of the second rotating rod 243 is fixed to the second locking ring 241, and is rotatably disposed on one side of the second inner fixing plate 222 away from the second outer fixing plate 221, the other end of the second rotating rod 243 is provided with a second insertion hole, one end of the pin shaft pressing rod 245 is provided with a protruding portion 2451, and the protruding portion 2451 is inserted into the second insertion hole of the second rotating rod 243 to lock the second rotating rod 243 on the second inner fixing plate 222. One end of the second driving spring 244 is fixedly connected to the second inner fixing plate 222, and the other end thereof is fixed to the second rotating rod 243. When the protruding portion 2451 of the pin shaft pressing rod 245 is separated from the second insertion hole, the second driving spring 244 is reset, and can drive the second rotating rod 243 to rotate, so that the second rotating rod 243 drives the second locking ring 241 to rotate, the blocking effect on the second rotating rod 222 after the second locking ring 241 rotates is eliminated, the second lock catch 221 portion 1221 of the second release lever 220 can be opened, and the releasing work is completed.
The second release driving mechanism includes a pin shaft pressing rod rotating shaft 250 and an ejecting mechanism 260, the middle portion of the pin shaft pressing rod 245 is rotatably disposed on one side of the second inner side fixing plate 222 far away from the second outer side fixing plate 221 through the pin shaft pressing rod rotating shaft 250, and a rotating plane of the pin shaft pressing rod 245 is perpendicular to the second inner side fixing plate 222. The electromagnetic driving component 210 acts on one end of the pin pressing rod 245 far away from the protruding part, and can lock or release the rotation of the pin pressing rod 245. The ejecting mechanism 260 is disposed in the second insertion hole of the second rotating rod 243, and is used to eject the protruding portion 2451 of the pin pressing rod 245 out of the second insertion hole, so as to release the rotation of the second rotating rod 243. As shown in fig. 10 and 11, the pop-up mechanism 260 specifically includes a pop-up mechanism housing 261, an end cover 262, a spring 263 and a pin 264, the end cover 262 is covered on the pop-up mechanism housing 261, the spring 263 is disposed in the pop-up mechanism housing 261 and is always in a compressed state, the end cover 262 is provided with a hole, one end of the pin 264 is disposed in the pop-up mechanism housing 261 and connected to the spring 263, the other end of the pin 264 extends out through the hole in the end cover 262, and when the pin 264 extends out, the protruding portion 2451 of the pin 245 can be popped out of the.
As shown in fig. 8 and 9, the electromagnetic driving part 210 includes a housing 211 and an electromagnet provided in the housing 211. The housing 211 is fixed to the second inner fixing plate 222, and the inside of the housing 211 is filled with the insulating oil 214. When the electromagnet is electrified, the pin shaft pressure lever 245 is adsorbed, and the pin shaft pressure lever 245 is locked to rotate; when the electromagnet is powered off, the rotation lock of the pin pressing rod 245 is released, and the ejecting mechanism 260 pushes the protruding part 2451 of the pin pressing rod 245 out of the second insertion hole of the second rotating rod 243. The electromagnet includes an iron core 212 and an electromagnetic coil 213. The bottom of the housing 211 is fixed on the second inner fixing plate 222, and the lower portion of the housing 211 is provided with a notch to form a rotation movement space at the end of the pin shaft pressing rod 245, and the pin shaft pressing rod 245 is inserted into the notch. The electromagnet is arranged on the upper portion of the outer shell 211, the lower side of the electromagnet is sealed through an electromagnet round nut 215, and a sealing ring 216 is arranged between the electromagnet round nut 215 and the outer shell 211 so as to guarantee the sealing effect of the outer shell 211. An oil-filled hose 217 is connected to the housing 211, and a power supply cable 218 is installed in the oil-filled hose 217, with one end connected to the battery compartment and the other end connected to the electromagnetic coil 213. When the system is electrified, the electromagnetic coil 213 is always in an electrified attraction state, and the pin shaft pressure lever 245 is tightly attracted by the iron core 212 and the electromagnet round nut 215; when the system is in power-off state, the electromagnetic coil 213 loses magnetic force to release the pin 145 shaft pressing rod, and the pin shaft pressing rod 245 rotates to complete the power-off load rejection action of the system.
The load rejection process of the electromagnetic drive load rejection assembly 200 is as follows: when the electromagnetic driving component 210 is controlled to be powered off, the electromagnetic coil 213 loses the magnetic force to release the pin 145, the pin pressing rod 245 rotates along the pin pressing rod rotating shaft 250 under the pushing of the ejecting mechanism 260, the protruding part 2451 of the pin pressing rod 245 is separated from the second inserting hole of the second rotating rod 243, and the rotation locking of the first rotating rod 143 is released. The second rotating rod 243 rotates along the upper end thereof under the action of the pulling force of the second driving spring 244, and further drives the second locking ring shaft 242 and the second locking ring 241 to rotate, the second locking ring 241 drives the second rotating rod 222 of the second release lever 220 to rotate through the locking part 1411, so that the second lock catch 221 at the bottom is opened, and the load rejection operation is completed.
Referring to fig. 6, the manual driving load rejection assembly 300 has the following specific structure: the manual driving load rejection assembly 300 comprises a third release mechanism, which comprises a third locking mechanism and a third release driving mechanism, wherein the third locking mechanism is connected with the second release lever 220 and is used for locking the rotation of the two second rotating rods 222; the third release driving mechanism releases the locking of the third release lever by the third locking mechanism.
The third deadlocking mechanism includes a third deadlocking ring 311, a third rotating lever 313, a third driving spring 314, and a movable handle 315. Third deadlock ring 311 rotates through third deadlock ring axle 312 and sets up between second outside fixed plate 221 and second inside fixed plate 222, sets up convex deadlock portion on third deadlock ring 311, be provided with on another second dwang 222 of second release lever 220 with the deadlock cooperation portion of third deadlock ring 311 butt, third deadlock ring 311 deadlock behind the third dwang, the unable rotation of third dwang makes the second hasp 221 of bottom keep the closed condition. One end of the third rotating rod 313 is fixed to the third locking ring 311 and rotatably disposed on the outer side surface of the second outer fixing plate 221, a third insertion hole is formed in the other end of the third rotating rod 313, an insertion portion 3151 is disposed at one end of the movable handle 315, and the insertion portion 3151 is inserted into the third insertion hole of the third rotating rod 313 to lock the third rotating rod 313 to the second outer fixing plate 221. One end of the third driving spring 314 is fixedly connected with the second outer fixing plate 221, and the other end is fixed with the third rotating rod 313; the third driving spring 314 can drive the third rotating rod 313 to rotate, the blocking effect of the third locking ring 311 on the second rotating rod 222 after rotation is eliminated, the second locking catch 221 part 1221 of the second release lever 220 can be opened, and the releasing work is completed.
The third release driving mechanism includes a fixed handle 321 and a pressing spring 322, the fixed handle 321 is vertically fixed on the outer side surface of the second outer fixing plate 221 through a fixing nut, a sliding slot 3211 is arranged on the fixed handle 321, and the pressing spring 322 is arranged in the sliding slot 3211. The movable handle 315 is slidably disposed in the sliding slot 3211 and connected to the pressing spring 322. The movable handle 315 slides along the slide slot 3211 to be inserted into or disengaged from the third insertion hole of the third rotating rod 313. Under the action of the pressing spring 322, the insertion portion 3151 of the movable handle 315 is inserted into the third insertion hole of the third rotating rod 313 and locked. When the movable handle 315 is pulled outward, the movable handle 315 slides along the sliding slot 3211 and can be disengaged from the third insertion hole of the third rotating rod 313.
The load rejection process of the manual driving load rejection assembly 300 is as follows: after the manipulator clamps the movable handle 315 and the fixed handle 321, the movable handle 315 compresses the pressing spring 322, the insertion portion 3151 at the end of the movable handle 315 is pulled out from the third insertion hole of the third rotating rod 313, the third rotating rod 313 rotates under the action of the restoring force of the third driving spring 314 to drive the third locking rotating ring to rotate, the third locking rotating ring 311 drives the second rotating rod 222 of the second release lever 220 to rotate through the locking portion 1411, so that the second lock catch 221 at the bottom is opened, and the manual operation and release work of the manipulator is completed.
In the present embodiment, the first outer fixing plate 131, the first inner fixing plate 132, the first release lever 120, the first locking ring 141, the first rotating lever 143, the first driving spring 144, and the like of the wire-driven load rejection assembly 100 are the same as the second outer fixing plate 221, the second inner fixing plate 222, the second release lever 220, the second locking ring 241, the second rotating lever 243, the second driving spring 244, and the like of the electromagnetic-driven load rejection assembly 200, and the third rotating lever 313 and the third driving spring 314 of the manual-driven load rejection assembly 300, and the corresponding components are the same, so that the production and manufacturing are convenient.
The first rotating lever 143, the second rotating lever 243 and the third rotating lever 313 are further provided with safety pins 411, respectively, and the device can be normally used after the safety pins 411 are removed.
A fixing shaft 412 is further connected to lower portions of the first outer fixing plate 131, the first inner fixing plate 132, the second outer fixing plate 221, and the second inner fixing plate 222, and the fixing shaft 412 is fixed by a fixing shaft nut 413, so that bottoms of the four fixing plates are fixed to each other, and the stability of the entire apparatus is improved.
The multistage parallel-connection load rejection device can realize mother ship operation and release, automatic release after system power failure and manned/unmanned submersible manipulator operation and release by means of the acoustic releaser, can realize load rejection in different modes, realizes multistage parallel operation on deep sea lander recovery, and ensures reliable recovery of the deep sea lander; simple structure, convenient processing and manufacturing, low cost and high working efficiency. The invention also comprises a deep sea lander which comprises the multistage parallel load rejection device.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. A multistage parallel load rejection device, comprising:
mounting a plate;
the steel wire driving load rejection assembly is fixed at the bottom of the mounting plate and comprises a pre-tensioned steel wire, a first release mechanism and a first release lever, the first release lever is provided with a first lock catch which can be opened and closed, and the first lock catch can be opened through the first release mechanism after the pre-tensioned steel wire is released;
the electromagnetic driving load rejection assembly is fixed at the bottom of the mounting plate and comprises an electromagnetic driving component, a second release mechanism and a second release lever, and the second release lever is provided with a second lock catch capable of being opened and closed; the electromagnetic driving part can enable the second lock catch to be opened through the second release mechanism;
the two ends of the release chain are respectively connected with the first lock catch and the second lock catch, and after the first lock catch or the second lock catch is opened, the release chain is separated from the first lock catch or the second lock catch;
the steel wire driving load rejection assembly comprises a first outer side fixing plate and a first inner side fixing plate which are arranged at intervals; the first release lever comprises two first rotating levers which are rotatably arranged between the first outer side fixing plate and the first inner side fixing plate, the bottoms of the two first rotating levers are buckled to form the first lock catch, and when the two first rotating levers rotate to be opened, the first lock catch is opened; the first release mechanism comprises a first locking mechanism and a first release driving mechanism, and the first locking mechanism is connected with the first release lever and used for locking the rotation of the two first rotating rods; the pretension steel wire is connected with the first locking mechanism through the first release driving mechanism, and when the pretension steel wire is released, the first release driving mechanism releases the locking of the first locking mechanism on the first release lever.
2. The multi-stage parallel load rejection device of claim 1, further comprising a manually driven load rejection assembly, said manually driven load rejection assembly comprising a third release mechanism by which said second latch can be opened.
3. The multistage parallel load rejection device according to claim 2, wherein said first locking mechanism comprises a first locking ring, a first rotating lever, a first driving spring, a release pin; the first locking ring is rotatably arranged between the first outer side fixing plate and the first inner side fixing plate and can limit the rotation of the first rotating rod; one end of the first rotating rod is fixed with the first locking ring and is rotatably arranged on the outer side surface of the first outer side fixing plate, and the other end of the first rotating rod is locked on the first outer side fixing plate through the release pin; one end of the first driving spring is fixedly connected with the first outer side fixing plate, and the other end of the first driving spring is fixed with the first rotating rod.
4. The multistage parallel load rejection device according to claim 3, wherein said first release drive mechanism comprises an upper routing pulley, a lower routing pulley, a pre-tension spring, a release wire; the upper routing pulley and the lower routing pulley are fixed on the first outer side fixing plate, the pre-tensioning spring is arranged between the upper routing pulley and the lower routing pulley, the lower end of the pre-tensioning spring is fixed with the first outer side fixing plate, and the upper end of the pre-tensioning spring is connected with the pre-tensioning steel wire; the release steel wire is connected with the upper end of the pre-tensioning spring, sequentially bypasses the upper routing pulley and the lower routing pulley and then is connected with the release pin; after the pre-tensioning steel wire is released, the pre-tensioning spring resets and pulls the release pin through the release steel wire, so that the release pin is separated from the first rotating rod, and the rotation locking of the first rotating rod is released.
5. The multistage parallel load rejection device according to claim 2, wherein said electromagnetic drive load rejection assembly comprises a second outer fixing plate and a second inner fixing plate which are arranged at intervals; the second release lever comprises two second rotating levers which are rotatably arranged between the second outer side fixing plate and the second inner side fixing plate, the bottoms of the two second rotating levers are buckled to form a second lock catch, and when the two second rotating levers rotate to be opened, the second lock catch is opened; the second release mechanism comprises a second locking mechanism and a second release driving mechanism, and the second locking mechanism is connected with the second release lever and used for locking the rotation of the two second rotating rods; the electromagnetic driving component is in driving connection with the second release driving mechanism, and the second release driving mechanism is used for releasing the locking of the second locking mechanism on the second release lever.
6. The multistage parallel load rejection device as claimed in claim 5, wherein said second locking mechanism comprises a second locking ring, a second rotating rod, a second driving spring, a pin shaft pressing rod; the second dead locking ring is rotatably arranged between the second outer side fixing plate and the second inner side fixing plate and can limit the rotation of one second rotating rod in the second release lever; one end of the second rotating rod is fixed with the second locking ring and is rotatably arranged on one side, away from the second outer side fixing plate, of the second inner side fixing plate, the other end of the second rotating rod is provided with a second jack, one end of the pin shaft pressing rod is provided with a protruding part, and the protruding part is inserted into the second jack of the second rotating rod to lock the second rotating rod on the second inner side fixing plate; one end of the second driving spring is fixedly connected with the second inner side fixing plate, and the other end of the second driving spring is fixed with the second rotating rod.
7. The multistage parallel load rejection device according to claim 5, wherein said third release mechanism of said manually driven load rejection assembly comprises a third locking mechanism and a third release driving mechanism, said third locking mechanism being connected to said second release lever for locking the rotation of said two second rotating levers; the third release driving mechanism releases the locking of the third release lever by the third locking mechanism.
8. The multistage parallel load rejection device according to claim 7, wherein said third locking mechanism comprises a third locking ring, a third rotating lever, a third drive spring and a movable handle; the third dead locking ring is rotatably arranged between the second outer side fixing plate and the second inner side fixing plate and can limit the rotation of the other second rotating rod in the second release lever; one end of the third rotating rod is fixed with the third locking ring and is rotatably arranged on the outer side surface of the second outer side fixing plate, the other end of the third rotating rod is provided with a third jack, one end of the movable handle is provided with an inserting part, and the inserting part is inserted into the third jack of the third rotating rod to lock the third rotating rod on the second outer side fixing plate; one end of the third driving spring is fixedly connected with the second outer side fixing plate, and the other end of the third driving spring is fixed with the third rotating rod.
9. A deep sea lander comprising a multi-stage parallel offloading device as claimed in any of claims 1-8.
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| CN201911024443.3A CN110901834B (en) | 2019-10-25 | 2019-10-25 | Multistage parallel load rejection device and deep sea lander |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911024443.3A CN110901834B (en) | 2019-10-25 | 2019-10-25 | Multistage parallel load rejection device and deep sea lander |
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| CN110901834B true CN110901834B (en) | 2021-05-11 |
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| CN201442640U (en) * | 2009-08-11 | 2010-04-28 | 青岛北海船舶重工有限责任公司 | Gravity-type lifeboat releasing mechanism |
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| CN109765524A (en) * | 2019-01-11 | 2019-05-17 | 国家深海基地管理中心 | Seabed geodetic datum multi-beacon locating platform and joint Calibration Method |
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| CN201442640U (en) * | 2009-08-11 | 2010-04-28 | 青岛北海船舶重工有限责任公司 | Gravity-type lifeboat releasing mechanism |
| CN101700807A (en) * | 2009-11-20 | 2010-05-05 | 无锡海鸿制艇有限公司 | Release structure of free fall style lifeboat |
| CN102001427A (en) * | 2010-11-10 | 2011-04-06 | 中国船舶重工集团公司第七一○研究所 | Embedded ballast release mechanism |
| CN109278962A (en) * | 2018-10-24 | 2019-01-29 | 中国海洋大学 | A kind of cable-free type sea bed observation platform deep suitable for full sea |
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| CN110901834A (en) | 2020-03-24 |
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