CN102941915B - Double-oil-bag buoyancy force adjusting device of ocean environment monitoring equipment - Google Patents
Double-oil-bag buoyancy force adjusting device of ocean environment monitoring equipment Download PDFInfo
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- CN102941915B CN102941915B CN201210507505.8A CN201210507505A CN102941915B CN 102941915 B CN102941915 B CN 102941915B CN 201210507505 A CN201210507505 A CN 201210507505A CN 102941915 B CN102941915 B CN 102941915B
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Abstract
The invention relates to a double-oil-bag buoyancy force adjusting device of ocean environment monitoring equipment. The device comprises a shell connecting piece, a pipeline connecting piece, an oil bag supporting piece, a low-pressure oil bag, a low-pressure oil bag sealing plate, a high-pressure oil bag connecting plate, a high-pressure oil bag sealing plate, a high-pressure oil bag, a sealing ring, a peripheral equipment oil storage tank, a low-pressure driving system and a high-pressure driving system; the high-pressure oil bag can realize underwater up-down movement of the ocean environment monitoring equipment; and the common effect of the high-pressure oil bag and the low-pressure oil bag realizes the up-down movement of the equipment on the water surface. The high-pressure oil bag and the low-pressure oil bag are respectively independent so that the double-oil-bag buoyancy force adjusting device has a simple structure and does not need to be stuck and vulcanized; the problem that the whole structure form of an oil gas bag easily causes cracking of a rubber sticking part, the communication of an oil chamber and a gas chamber and the like under high pressure after the air bag is repeatedly inflated and deflated and works for long time can be solved; and the working reliability of the equipment is guaranteed.
Description
Technical field
The present invention relates to the two oil sac buoyancy regulating device of a kind of marine environmental monitoring equipment.
Background technology
Along with continually developing of inland mineral products, its storage capacity is fewer and feweri, and for guaranteeing war reserves demand, countries in the world are progressively developed to ocean.In order to make detecting devices sink to the ocean depth layer needing monitoring, usually have two kinds of methods, one to be fixed on by equipment in a certain degree of depth in monitoring marine site by anchor system to monitor, but monitoring range is limited; Another kind method is realized by the plunging motion of equipment self.To second method, any marine monitoring equipment realizes plunging motion in water three kinds of approach usually, and one is the volume of change equipment and weight remains unchanged; Two are the weight of change equipment and constancy of volume; Three is increase or reduce equipment externally applied forces.Current marine monitoring equipment adopts first kind of way usually, and the volume namely changing equipment buoyancy regulating device realizes the underwater sink-float of equipment.The version of described buoyancy regulating device mainly contains following two kinds, and one is adopt oil gas capsule one-piece construction, and oil sac and air bag are made an entirety, point upper and lower two cavity volumes, upper cavity volume is grease chamber, and lower cavity volume is air chamber.This structure is adopted to require very high to the adhesive property, sulfurization technology etc. of rubber own material properties, rubber, high pressure, air bag inflation/deflation and easily cause the problems such as ftracture in rubber abutting edge, grease chamber and air chamber UNICOM after working long hours repeatedly under water, thus cause equipment normally to work; Two is adopt single oil sac structure, this kind of version is simple, but under the requirement meeting equipment high pressure sink-float power-handling capability, coupled high-voltage driving device oiling and rate of pumping slow, equipment volume change is slow, when equipment will at surface communications time, communication module is held out the time that the water surface expends is long, power consumption is large, the safety of equipment is not also ensured.For this reason, the buoyancy regulating device that development a kind of pair of oil sac structure and high pressure oil sac combine with low pressure oil sac is necessary.
Summary of the invention
The object of this invention is to provide the two oil sac buoyancy regulating device of a kind of marine environmental monitoring equipment, this device adopts two oil sac version, solve oil gas capsule overall structure form high pressure, air bag repeatedly inflation/deflation and easily cause after working long hours to ftracture in rubber abutting edge, the problem such as grease chamber and air chamber UNICOM; Simultaneously by oil-filled fast at the water surface of low pressure oil sac, greatly save power consumption, improve the safety performance of marine environmental monitoring equipment.
The object of the present invention is achieved like this:
The two oil sac buoyancy regulating device of a kind of marine environmental monitoring equipment, described device comprises housing connection member, pipeline connecting parts, oil sac strut member, low pressure oil sac, low pressure oil sac closing plate, high pressure oil sac attaching parts, high pressure oil sac closing plate, high pressure oil sac, seal ring, and external equipment comprises petrol storage tank, low-voltage driving system and high pressure driving system;
Wherein, pipeline connecting parts upper surface is provided with the first joint and the second joint, in the first joint and the second joint, have the through hole running through pipeline connecting parts; Pipeline connecting parts lower surface is fixedly connected with oil sac strut member upper surface; Pipeline connecting parts upper surface is fixedly connected with housing connection member, and the first joint and the second joint stretch in housing connection member;
Oil sac strut member is rectangular structure, and on four sides of oil sac strut member, symmetry has four semi-circular recesses, and low pressure oil sac is fixed in semi-circular recesses, and the edge of low pressure oil sac is by low pressure oil sac closing plate and oil sac strut member fixing seal;
High pressure oil sac attaching parts is fixed on bottom oil sac strut member, is fixedly connected with by high pressure oil sac by high pressure oil sac closing plate with high pressure oil sac attaching parts, realizes the sealing on high pressure oil sac and high pressure oil sac attaching parts and high pressure oil sac closing plate fitting surface;
High-pressure oil passage and low pressure oil way is had in oil sac strut member inside; Described high-pressure oil passage in the vertical direction runs through oil sac strut member, and upper end is corresponding with the through hole in the first joint, and lower end through high pressure oil sac attaching parts and high pressure oil sac closing plate also communicate with high pressure oil sac;
Described low pressure oil way is included in the Vertical Channel that oil sac strut member inside has, and groined type passage mutually through in the horizontal direction; Described Vertical Channel upper end is corresponding with the through hole in the second joint, and lower end extends between high-pressure oil passage and semi-circular recesses; Described groined type passage communicates with Vertical Channel and four low pressure oil sacs respectively; The UNICOM of groined type passage and low pressure oil sac holds as tube outlet;
On the faying face of oil sac strut member and housing connection member, on the faying face of housing connection member and pipeline connecting parts, on the faying face of high pressure oil sac attaching parts and oil sac strut member, and oil sac strut member and high-pressure oil passage, low pressure oil way faying face on be equipped with seal ring;
Petrol storage tank, low-voltage driving system, high pressure driving system are all positioned at device outside, and high pressure driving system is by delivery line, and one end is connected with petrol storage tank, and the other end is connected with the first joint, is high pressure oil sac fuel feeding; Low-voltage driving system is by delivery line, and one end is connected with petrol storage tank, and the other end is connected with the second joint, is low pressure oil sac fuel feeding;
Preferably the tube outlet of groined type passage is blocked, 3 inclined holes are laid with on each tube outlet side, described inclined hole is by low pressure oil way and low pressure oil sac UNICOM, thus make the hydraulic oil of low-voltage driving system be injected in low pressure oil sac by inclined hole, the object of such design is when low pressure oil sac is subject to larger external pressure, owing to diminishing with the tube outlet diameter of low pressure oil sac UNICOM, reduce the stressed of low pressure oil sac, thus guarantee that low pressure oil sac does not damage at a higher pressure;
Angle between preferred inclined hole and adjacent single groined type passage is 10 ~ 15 °;
Preferably the sectional area sum of 3 inclined holes equals the sectional area of single groined type passage;
Carry marine environmental monitoring equipment on housing connection member top, realizing communication needs.
Beneficial effect
1. the invention provides the two oil sac buoyancy regulating device of a kind of marine environmental monitoring equipment, described device have employed high pressure oil sac and combines with low pressure oil sac and carry out fuel feeding, the underwater plunging motion of marine environmental monitoring equipment can be realized by high pressure oil sac, realize the plunging motion of equipment at the water surface by the combined action of high pressure oil sac and low pressure oil sac.Wherein high pressure oil sac and low pressure oil sac are independent separately, structure is simple, without the need to bonding and sulfuration, solve oil gas capsule overall structure form at high pressure, air bag inflation/deflation and easily cause the problems such as ftracture in rubber abutting edge, grease chamber and air chamber UNICOM after working long hours repeatedly, equipment functional reliability is guaranteed.
2. the cylinder diameter that high pressure driving system designs by device described in is less, and rate of pumping is slow; The cylinder diameter of low-voltage driving system is larger, under DC micromotor drives, it is pumped or oil injecting speed is fast, oil mass changes greatly, the quick sink-float function of marine environmental monitoring equipment at the water surface can be realized, greatly save power consumption, and the time that the equipment that saves stops at the water surface, improve the safety of equipment.
3. device described in is provided with latticed groined type passage on the cross-sectional plane of oil sac strut member, end and four low pressure oil sac UNICOMs; And tube outlet is blocked, at the other uniform inclined hole that arranges of each tube outlet by low pressure oil way and low pressure oil sac UNICOM, the hydraulic oil of low-voltage driving system is made to be injected in low pressure oil sac by inclined hole, the object of such design is when low pressure oil sac is subject to larger external pressure, owing to diminishing with the tube outlet diameter of low pressure oil sac UNICOM, reduce the stressed of low pressure oil sac, thus guarantee that low pressure oil sac does not under high pressure damage.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the two oil sac buoyancy regulating device of marine environmental monitoring equipment of the present invention;
Fig. 2 is the cutaway view of oil sac strut member of the present invention;
Fig. 3 is the A-A direction view of Fig. 2;
Fig. 4 is the B-B direction view of Fig. 2;
Fig. 5 is the cutaway view of pipeline connecting parts of the present invention;
Fig. 6 is the cutaway view of low pressure oil sac of the present invention;
Fig. 7 is the cutaway view of high pressure oil sac of the present invention;
Wherein, 1-housing connection member, 2-pipeline connecting parts, 3-oil sac strut member, 4-low pressure oil sac, 5-low pressure oil sac closing plate, 6-high pressure oil sac attaching parts, 7-high pressure oil sac closing plate, 8-high pressure oil sac, 9-standard O shape circle, 10-packing seal, 11-tube outlet, 12-inclined hole, 13-second joint, 14-first joint.
Detailed description of the invention
Below by embodiment, the present invention is described in further detail.
Embodiment
Fig. 1 is the two oil sac buoyancy regulating device of a kind of marine environmental monitoring equipment of the present invention, described device comprises housing connection member 1, pipeline connecting parts 2, oil sac strut member 3, low pressure oil sac 4, low pressure oil sac closing plate 5, high pressure oil sac attaching parts 6, high pressure oil sac closing plate 7, high pressure oil sac 8, seal ring 9, packing seal 10, and wherein said seal ring is standard O shape circle; External equipment comprises petrol storage tank, low-voltage driving system and high pressure driving system;
Wherein, pipeline connecting parts 2 upper surface is provided with the first joint 14 and the second joint 13, in the first joint 14 and the second joint 13, have the through hole running through pipeline connecting parts 2; Pipeline connecting parts 2 lower surface is fixedly connected with oil sac strut member 3 upper surface; Pipeline connecting parts 2 upper surface is fixedly connected with housing connection member 1, and the first joint 14 and the second joint 13 stretch in housing connection member 1;
For alleviator overall weight, oil sac strut member 3 adopts non-metal processing and manufacturing, described oil sac strut member 3 is rectangular structure, on four sides of oil sac strut member 3, symmetry has four semi-circular recesses, low pressure oil sac 4 is fixed in semi-circular recesses, and the edge of low pressure oil sac 4 is by low pressure oil sac closing plate 5 and oil sac strut member 3 fixing seal;
High pressure oil sac attaching parts 6 is fixed on bottom oil sac strut member 3, is fixedly connected with by high pressure oil sac 8 by high pressure oil sac closing plate 7 with high pressure oil sac attaching parts 6, realizes high pressure oil sac 8 and the sealing on high pressure oil sac attaching parts 6 and high pressure oil sac closing plate 7 fitting surface;
Fig. 6,7 is structural representations of low pressure oil sac 4 and high pressure oil sac 8, the wherein projection of opening sealing place of low pressure oil sac 4 and high pressure oil sac 8, it is the Functional Design according to standard O-ring seals, be the typical structure of static seal faying face, and realize low pressure oil sac 4 and the underwater sealing of high pressure oil sac 8 by the mode of screw in compression.
High-pressure oil passage and low pressure oil way is had in oil sac strut member 3 inside; Described high-pressure oil passage in the vertical direction runs through oil sac strut member 3, and upper end is corresponding with the through hole in the first joint 14, and lower end through high pressure oil sac attaching parts 6 and high pressure oil sac closing plate 7 also communicate with high pressure oil sac 8;
Described low pressure oil way is included in the Vertical Channel that oil sac strut member 3 inside has, and the groined type passage mutually through in the horizontal direction shown in Fig. 4; Described Vertical Channel upper end is corresponding with the through hole in the second joint 13, and lower end extends between high-pressure oil passage and semi-circular recesses; Described groined type passage communicates with Vertical Channel and four low pressure oil sacs 4 respectively; The UNICOM of groined type passage and low pressure oil sac 4 holds as tube outlet 11; The tube outlet 11 of groined type passage is blocked, 3 inclined holes 12 are laid with on each tube outlet 11 side, described inclined hole 12 is by low pressure oil way and low pressure oil sac 4 UNICOM, thus make the hydraulic oil of low-voltage driving system be injected in low pressure oil sac 4 by inclined hole 12, the object of such design is when low pressure oil sac 4 is subject to larger external pressure, owing to diminishing with tube outlet 11 diameter of low pressure oil sac 4 UNICOM, reduce the stressed of low pressure oil sac 4, thus guarantee that low pressure oil sac 4 does not damage at a higher pressure; Angle between inclined hole 12 and adjacent single groined type passage is 10 ~ 15 °; The sectional area of the sectional area sum=single groined type passage of 3 inclined holes 12;
At oil sac strut member 3 with on the faying face of housing connection member 1, on the faying face of housing connection member 1 and pipeline connecting parts 2, on the faying face of high pressure oil sac attaching parts 6 and oil sac strut member 3, and oil sac strut member 3 and the faying face of high-pressure oil passage, low pressure oil way are equipped with seal ring 9;
Petrol storage tank, low-voltage driving system, high pressure driving system are all positioned at device outside, Fig. 5 is the structural representation of pipeline connecting parts 2, and high pressure driving system is by delivery line, and one end is connected with petrol storage tank, the other end is connected with the first joint 14, is high pressure oil sac 8 fuel feeding; Low-voltage driving system is by delivery line, and one end is connected with petrol storage tank, and the other end is connected with the second joint 13, is low pressure oil sac 4 fuel feeding; Housing connection member 1 carries communication facilities, so just makes two oil sac buoyancy regulating devices and whole equipment be connected into and be integrated.
This device is achieved in that as shown in Figure 1, for preventing in high pressure, oil gas capsule charge and discharge and the phenomenon of the problem such as rubber abutting edge cracking, grease chamber and air chamber UNICOM that causes after working long hours repeatedly, device of the present invention adopts two oil sac version, namely high pressure oil sac 8 and low pressure oil sac 4 are independent separately, structure is simple, without the need to bonding and sulfuration, wherein low pressure oil sac 4 and low-voltage driving system realize equipment water surface sink-float function jointly, and high pressure oil sac 8 and high pressure driving system jointly realize equipment and to rise and fall under water function, can there is enough buoyancy that communication module is held out the water surface for making equipment at the water surface, be designed with 4 low pressure oil sacs 4, and make 4 low pressure oil sacs 4 UNICOM mutually by oil sac strut member 3, as shown in Fig. 4 (B-B) section, simultaneously for guaranteeing the sealing of low pressure oil sac 4 under water under certain depth, its structure design as shown in Figure 6, the opening outer toroid of low pressure oil sac 4 is designed to standard O shape loop-shaped, and be shaped to an entirety by die casting, during installation, the outer toroid projection of low pressure oil sac 4 is placed in the groove of oil sac strut member 3 correspondence, then by low pressure oil sac closing plate 5, low pressure oil sac 4 is fixed on oil sac strut member 3, realize sealing.Low pressure oil sac 4 state under high pressure as shown in Figure 1, concave surface that is complete and oil sac strut member 3 is fitted, the now pressure reduction that causes by external pressure (under water certain depth pressure) and internal pressure (in oil sac strut member 3 pipeline oil pressure) of low pressure oil sac 4, under the long-time effect at inside and outside differential pressure, there is the possibility crushed in the low pressure oil sac 4 at oil sac strut member 3 tube outlet place, cause seawater to enter into device inside, device is damaged.Occur for preventing above-mentioned phenomenon, the present invention takes following methods: one is uniformly devise the inclined hole 12 that 3 diameters are ￠ 0.5mm each tube outlet 11 of oil sac strut member 3 is other, it is communicated with the internal duct of oil sac strut member 3, thus the hydraulic oil of low-voltage driving system is injected in low pressure oil sac 4 by inclined hole 12, the object of such design is to work as the timing of low pressure oil sac 4 inside and outside differential pressure one, tube outlet diameter diminishes, it is stressed will greatly reduce, thus can guarantee that low pressure oil sac 4 does not under high pressure damage; Two is blocked by each tube outlet 11 of oil sac strut member 3, method is as follows: first in tube outlet 11 place machining screw, and then install with the screw special with oil sac strut member 3 same material, finally by machinework, oil sac strut member 3 is worked into drawing requirement again, guarantees that low pressure oil sac 4 and oil sac strut member 3 can be fitted in a high voltage state completely.For guaranteeing that high pressure oil sac 8 is functional at hyperbaric environment lower seal, high pressure oil sac 8 is designed to the rim of a bowl, the annulus at the rim of a bowl place adopts standard O shape to enclose configuration design equally, three is connected in aggregates by high pressure oil sac attaching parts 6, high pressure oil sac closing plate 7, and then fixed by screw and oil sac strut member 3, make high pressure oil sac 8 by oil sac strut member 3 and high pressure driving system UNICOM.Be that the two-way oil circuit guaranteed in oil sac strut member 3 is not ganged up during design, devise twice standard O shape circle 9 and high-pressure oil passage and low pressure oil way are separated.Between oil sac strut member 3 with housing connection member 1, same employing standard O shape is enclosed and is sealed.For prevent from adopting single oil sac overall structure form cause device oiling or rate of pumping slow, volume change is slow, the time causing equipment to expend at the water surface is long, power consumption is large, the problems such as security presence hidden danger, adopt detailed description of the invention: adopt independently low pressure oil sac 4 to realize the quick sink-float function of marine environmental monitoring equipment at the water surface, for guaranteeing the communication module energy proper communication of equipment, the communication module on device is needed to hold out water surface certain altitude, now starting low-voltage driving system (comprising hydraulic actuating cylinder) is injected in 4 low pressure oil sacs 4 by hydraulic oil, the buoyancy of device is increased, communication module is held out the water surface carry out marine monitoring data transmission work and and land workstation between information interaction, when the data transmission of equipment complete need to carry out marine monitoring time, then now exhausted by the oil in 4 low pressure oil sacs 4 by low-voltage driving system, device buoyancy is reduced, and equipment sinks to below the water surface automatically.When needs continue to sink, by high pressure driving system, the oil in high pressure oil sac 8 is exhausted, the further sinking of implement device and communication module.Cylinder diameter high pressure driving system designed is less, and rate of pumping is slow; Low-voltage driving system is in water surface work, its ambient pressure be subject to is little, so the cylinder diameter of design is larger, under DC micromotor drives, it is pumped or oil injecting speed is fast, oil mass changes greatly, can realize the quick sink-float function of device communication module at the water surface, greatly save power consumption, and the time that the equipment that saves stops at the water surface, improve the safety of equipment.
The principle of work of the two oil sac buoyancy regulating device of described marine environmental monitoring equipment is: before water put into by device cloth, in 4 low pressure oil sacs 4, hydraulic oil is filled by low-voltage driving system, in high pressure oil sac 8, fill hydraulic oil by high pressure driving system simultaneously, this timer is subject to positive buoyancy under water, communication module is held out water surface certain altitude by device, realizes the information interaction between communication module and surface work station; After completing information transmission, the hydraulic oil in 4 low pressure oil sacs 4 is drawn back hydraulic actuating cylinder by low-voltage driving system, and device buoyancy is reduced, implement device water surface sinking function.Then start high pressure driving system, draw back the hydraulic oil in high pressure oil sac 8, make device sink to the working depth of setting.Device floating-upward process is contrary with sinking watching.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the two oil sac buoyancy regulating device of marine environmental monitoring equipment, it is characterized in that: described device comprises housing connection member (1), pipeline connecting parts (2), oil sac strut member (3), low pressure oil sac (4), low pressure oil sac closing plate (5), high pressure oil sac attaching parts (6), high pressure oil sac closing plate (7), high pressure oil sac (8), seal ring (9), and external equipment comprises petrol storage tank, low-voltage driving system and high pressure driving system;
Wherein, pipeline connecting parts (2) upper surface is provided with the first joint (14) and the second joint (13), in the first joint (14) and the second joint (13), have the through hole running through pipeline connecting parts (2); Pipeline connecting parts (2) lower surface is fixedly connected with oil sac strut member (3) upper surface; Pipeline connecting parts (2) upper surface is fixedly connected with housing connection member (1), and the first joint (14) and the second joint (13) stretch in housing connection member (1);
Oil sac strut member (3) is rectangular structure, on four sides of oil sac strut member (3), symmetry has four semi-circular recesses, low pressure oil sac (4) is fixed in semi-circular recesses, and the edge of low pressure oil sac (4) is by low pressure oil sac closing plate (5) and oil sac strut member (3) fixing seal;
High pressure oil sac attaching parts (6) is fixed on oil sac strut member (3) bottom, by high pressure oil sac closing plate (7), high pressure oil sac (8) is fixedly connected with high pressure oil sac attaching parts (6), realizes high pressure oil sac (8) and the sealing on high pressure oil sac attaching parts (6) and high pressure oil sac closing plate (7) fitting surface;
High-pressure oil passage and low pressure oil way is had in oil sac strut member (3) inside; Described high-pressure oil passage in the vertical direction runs through oil sac strut member (3), upper end is corresponding with the through hole in the first joint (14), and lower end through high pressure oil sac attaching parts (6) and high pressure oil sac closing plate (7) also communicate with high pressure oil sac (8);
Described low pressure oil way is included in the Vertical Channel that oil sac strut member (3) inside has, and groined type passage mutually through in the horizontal direction; Described Vertical Channel upper end is corresponding with the through hole in the second joint (13), and lower end extends between high-pressure oil passage and semi-circular recesses; Described groined type passage communicates with Vertical Channel and four low pressure oil sacs (4) respectively; The UNICOM of groined type passage and low pressure oil sac (4) holds as tube outlet (11);
On the faying face of oil sac strut member (3) with housing connection member (1), on the faying face of housing connection member (1) and pipeline connecting parts (2), on the faying face of high pressure oil sac attaching parts (6) and oil sac strut member (3), and oil sac strut member (3) and high-pressure oil passage, low pressure oil way faying face on be equipped with seal ring (9);
Petrol storage tank, low-voltage driving system, high pressure driving system are all positioned at device outside, and high pressure driving system is by delivery line, and one end is connected with petrol storage tank, and the other end is connected with the first joint (14), is high pressure oil sac (8) fuel feeding; Low-voltage driving system is by delivery line, and one end is connected with petrol storage tank, and the other end is connected with the second joint (13), is low pressure oil sac (4) fuel feeding.
2. the two oil sac buoyancy regulating device of a kind of marine environmental monitoring equipment according to claim 1, it is characterized in that: the tube outlet (11) of groined type passage is blocked, be laid with 3 inclined holes (12) on each tube outlet (11) side, described inclined hole (12) is by low pressure oil way and low pressure oil sac (4) UNICOM.
3. the two oil sac buoyancy regulating device of a kind of marine environmental monitoring equipment according to claim 2, is characterized in that: the sectional area sum of 3 inclined holes (12) equals the sectional area of single groined type passage.
4. the two oil sac buoyancy regulating device of a kind of marine environmental monitoring equipment according to Claims 2 or 3, is characterized in that: the angle between inclined hole (12) and adjacent single groined type passage is 10 ~ 15 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210507505.8A CN102941915B (en) | 2012-11-30 | 2012-11-30 | Double-oil-bag buoyancy force adjusting device of ocean environment monitoring equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210507505.8A CN102941915B (en) | 2012-11-30 | 2012-11-30 | Double-oil-bag buoyancy force adjusting device of ocean environment monitoring equipment |
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| CN102941915A CN102941915A (en) | 2013-02-27 |
| CN102941915B true CN102941915B (en) | 2015-04-15 |
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| CN201210507505.8A Expired - Fee Related CN102941915B (en) | 2012-11-30 | 2012-11-30 | Double-oil-bag buoyancy force adjusting device of ocean environment monitoring equipment |
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| CN106195571B (en) * | 2016-07-18 | 2018-03-13 | 永春雪山靓雪矿泉水有限公司 | A kind of support equipment that industry is done for ice face |
| CN106976029B (en) * | 2017-05-27 | 2022-05-27 | 北京软体机器人科技有限公司 | Anchor clamps based on miniature gasbag that actuates |
| CN111703438A (en) * | 2020-06-28 | 2020-09-25 | 北京起重运输机械设计研究院有限公司 | Support device and cableway system |
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