CN205574236U - Big buoyancy rubber caisson - Google Patents

Abstract

The utility model discloses a big buoyancy rubber caisson, including the columniform packing element body, packing element body both ends an organic whole is connected with hemispherical rubber head, and rubber head tip an organic whole is connected with the air cock that is linked together with the packing element body, and the air cock is connected with the main valve body, and the main valve body is provided with four interfaces that are linked together, and other three interfaces of the main valve body are connected with relief valve, amortization check valve and ball valve respectively, and the air cock overcoat protects a muzzle section of thick bamboo, the external cover of main valve holds and draws the dish, protect a muzzle section of thick bamboo with hold draw the dish be connected, hold draw set overcoat have the bottom safety cover on the rubber head sticiss, the safety cover top is connected with the protection shield. The beneficial effects of the utility model are that: adopt the rubber material, have the flexibility, can realize the vacuum state, more folding, occupy small, light in weight, easily transportation can realize aerifing and prevent functions such as leakage, self -bleeding, emergent exhaust, valves protection, has ensured the security of pressure in the barrel.

Description

A kind of big buoyancy rubber caisson

Technical field

This utility model relates to a kind of big buoyancy rubber caisson.

Background technology

Caisson is a kind of container producing water buoyancy, surrounding seals, energy submerged in water produces huge buoyancy, can be heavy sea, immersed object salvage offer controllable buoyancy, it it is one of visual plant quickly processing port district, navigation channel, marine sudden, catastrophic event emergency rescue, for salvaging a sunken ship, hypostasis, also can be used for assisting stranded, naval vessel refloat of hitting a submerged reef, keep damaged warship buoyancy and stability etc..

At present, caisson typically has metal float and two kinds of rubber floating drum.Metal float buoyancy is relatively big, has 500 tons, 400 tons, 200 tons, 80 tons, 40 tonnage kinds；Rubber float buoyancy is less, such as 10 tons, 5 tons etc..Metal float, there are cylinder, guard timber, ladder, heaving pile hole, speed heavy valve, charge valve, Sea Chest etc. in outside；There are gas tank, bursting tube, partition plate, gas charging system etc. in inside；Shackle, suspension ring, rope compressor or checking bollard etc. are arranged at top.Metal float is arranged on harbour slideway special at ordinary times, or drift about in the water surface, once need, on-the-spot by towboat towage to fishing, according to salvaging embodiment, by floating drum sinking at shipwreck two side of a ship, it is enclosed within very heavy for hull bottom on the checking bollard of floating drum through floating drum fairlead, being filled with compressed air in floating drum, floating drum produces buoyancy and abuts against shipwreck two side of a ship, so that shipwreck floats or takes off face.Rubber floating drum except hang over shipwreck fixed position or very heavy with hull bottom be connected in addition to, can also be placed in shipwreck cabin, inflation heel row is except the water inlet in cabin is to provide buoyancy.

In current actual application, the caisson of metal belongs to mature technology, and it manufactures and designs equal seriation standardization.Cause practical operation inconvenient owing to volume is big, weight big, the program used is complicated, the requirement that operation link controls is high, its internal structure is complicated so that manufacturing higher with maintenance cost simultaneously, therefore there is a lot of shortcoming in the use of metal float, but in order to realize engineering construction, it has to the cost of both expensive and human resources carry out engineer applied.

For aspects such as the buoyancy tonnage of current rubber floating drum, inflation/deflation control, fixation binding modes, technology is immature, it is only some small-sized floating drums, there is no unified standard configuration, tens tons provided are helped buoyancy limited, realize during big buoyancy, needing multiple floating drum jointly to apply, this adds increased the actual difficulty of operation, also control to bring complexity to inflation/deflation, moreover currently also there is no inflation/deflation and the Buoyancy Control Technique of a set of maturation, cylinder bearing pressure is little, and the shallow water being typically only applicable to the depth of water tens meters is salvaged, and practical application area is the least.

Summary of the invention

For solving above technical deficiency, this utility model provides a kind of big buoyancy rubber caisson, gives full play to the flexible advantage of rubber, improves carrying and buoyancy tonnage, have wide practical value and application prospect.

This utility model is realized by following measures:

One of the present utility model big buoyancy rubber caisson, including cylindrical rubber cylinder, described rubber cylinder two ends are connected with hemispheric rubber end socket, described rubber end socket end is connected with the valve being connected with rubber cylinder, described valve connects main valve body, described main valve body is provided with four interfaces being connected, valve connects an interface of main valve body, other three interfaces of main valve body are connected to relief valve, muffling check valve and ball valve, it is cased with outside described valve protecting muzzle cylinder, it is cased with bearing dish outside described main valve body, the described muzzle cylinder that protects is connected with bearing dish, described bear be cased with outside dish bottom be pressed on the protective cover on rubber end socket, protective cover top connects protected plate.

Being provided with interior edge on above-mentioned protective cover inwall, there is vertical adjustment screw rod on described interior edge with bearing to be connected between dish.

Above-mentioned muffling check valve has been bolted snap joint, and described protective cover sidewall is provided with the opening passing snap joint.

Buffer cavity is left bottom above-mentioned protection board and between main valve body top.

The beneficial effects of the utility model are: 1. cylinder uses quality of rubber materials, has flexibility, can realize vacuum state, it is easier to fold, take volume little, lightweight, it is easy to transport；2. it is about 1.3 due to the density of material of rubber floating drum, its lightweight in water, such as its in water only 300 kilograms of the floating drum of weight 1.3 tons in air, convenient install under water；3. buoyancy overall efficiency is high, unit buoyancy low cost, with 100 tons of buoyancy demands for estimation, steel floating drum certainly weigh about 28 tons, and the weight of rubber floating drum is only 2.5 tons, and rubber floating drum has higher unit deadweight buoyancy efficiency；On unit ton buoyancy cost, steel floating drum is about 30,000 yuan, and rubber floating drum is only about 10,000 yuan, and rubber floating drum has lower unit buoyancy cost advantage；Rubber floating drum the most of the present utility model is mounted with air inflation discharging control device, it is possible to realizes inflation anti-leak, automatic aerofluxus, the emergent function such as aerofluxus, valve unit protection, has ensured the safety that cylinder is intrinsic pressure.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of ventilating control valve group.

Fig. 3 be Fig. 2 A-A to structural representation.

Fig. 4 be Fig. 3 B-B to structural representation.

Fig. 5 is the plan structure schematic diagram of Fig. 1.

In figure: A rubber cylinder, B rubber end socket, C net, the solid rope of D system, 1 valve, 2 round nuts, 3 relief valve, 4 protect muzzle cylinder, 5 main valve bodies, and 6 bear dish, 7 protection boards, 8 protective covers, 9 muffling check valves, 10 ball valves, 11 snap joints, 12O type circle.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is done further detailed description:

As it is shown in figure 1, one of the present utility model big buoyancy rubber caisson, it is connected with hemispheric rubber end socket B including cylindrical rubber cylinder A, rubber cylinder A two ends.Being cased with net C outside rubber cylinder A, be provided with dead ring outside rubber end socket B, the two ends of net C are connected on dead ring, if the lower end of net C is provided with responsibility and admittedly restricts D.

Such as Fig. 2, 3, 4, shown in 5, rubber end socket B end is connected with the valve 1 being connected with rubber cylinder A, valve 1 connects main valve body 5, main valve body 5 is provided with four interfaces being connected, valve 1 is connected an interface of main valve body 5 and is sealed by O 12, other three interfaces of main valve body 5 are connected to relief valve 3, muffling check valve 9 and ball valve 10, it is cased with outside valve 1 protecting muzzle cylinder 4, it is cased with outside main valve body 5 bearing dish 6, protect muzzle cylinder 4 and bear dish 6 and be connected, bear and be pressed on the protective cover 8 on rubber end socket B bottom being cased with outside dish 6, protective cover 8 top connects protected plate 7.Being provided with interior edge on protective cover 8 inwall, there is vertical adjustment screw rod on interior edge with bearing to be connected between dish 6.

Protect muzzle cylinder 4 lower thread and be connected to the bottom of valve 1, and protect muzzle cylinder 4 top and be connected with valve 1 top by round nut 2.Muffling check valve 9 has been bolted snap joint 11, and protective cover 8 sidewall is provided with the opening passing snap joint 11.Buffer cavity is left bottom protection board 7 and between main valve body 5 top.

The complex that material is rubber and framework material of rubber cylinder A, net C-structure is installed outside rubber cylinder A and realizes the lashing point of buoyancy, realize the inflation/deflation to caisson by the inflation/deflation control valve group at rubber cylinder A two ends to control, major diameter specification can provide more than 100 tons big buoyancy, salvaging can realize automatic pressure control during hoisting, it is possible to adapts to the salvaging demand of different water depth.The rubber framework material that rubber cylinder A of the present utility model uses, there is the highest bearing capacity, the design of casing play can be carried out according to the size of required raising buoyancy, to meet the product demand of all size caisson of different pressures demand under different-diameter, at present in factory, the maximum gauge that rubber floating drum of the present utility model can manufacture is up to 6 meters, and length reaches 30 meters, and maximum buoyancy is up to 800 tons.

Two ends hemispheric rubber end socket B can improve the volume utilization ratio in total length, thus improves buoyancy space utilization rate, it is possible to use the version of two ends conehead, but its buoyancy space utilization rate is lower than hemisphere.Muffling check valve 9 is used for inflating in cylinder after accessing loading line, and prevents the gas backstreaming in cylinder from revealing, and is also the device improving inflation reliability, and its front portion is mounted with charge valve.When the gas pressure in cylinder reaches the unlatching force value of relief valve 3, relief valve 3 is opened, outside aerofluxus, it is ensured that in cylinder, gas pressure opens pressure less than the setting of relief valve 3, reduces the cylinder explosion risk caused because of intrinsic pressure rising.Ball valve 10 plays degassing function in emergency circumstances, manually or the mode of electromagnetic switch is opened.

Shelter-clad is installed in the outside of above-mentioned various control valves, plays the effect of the internal main valve body 5 of protection, reduce the valve member inefficacy that accident collision causes.The each parts of inflation/deflation control valve group use juxtaposition to be commonly connected on valve 1, and it is arranged on the valve 1 at cylinder two ends as an independent unit module, form parallel construction, realize two ends control simultaneously to facilitate.Net C uses direction of warp and weft to combine cylindric latticed form, leaves and is helped the fixing suspension centre of float for fixing.

Each valve connects with valve 1, seals simultaneously and makes internal and external environment isolation.Muffling check valve 9 can ensure that gas can only unidirectional enter, inflated after directly gas tube is removed, it is not necessary to again inflation inlet is sealed, simplifies gas tube demounting procedure, and if inflate in gas tube burst, in floating drum, gas also will not leak；Ball valve 10 faying face adds rubber gasket and seals, for aerofluxus；Relief valve 3 faying face adds rubber gasket and seals, and when in big buoyancy rubber caisson, pressure is more than safe pressure with ambient pressure difference, relief valve 3 will be opened by gas, and be exhausted, it is ensured that floating drum inside and outside differential pressure is stable；Protective cover 8 need not seal, and is used for protecting internal several valve body, when flange collides with the external world, will not hurt inner valve body；When protective cover 8 or flange cover case are collided, mainly carry out load by protecting mouth.Transition cover need not seal, and it is tightly pressed together with rubber cylinder A, prevents from tangling surrounding objects.

When working under water, on the muffling check valve 9 of the ventilating control valve group that the extraneous pipeline on the water surface is connected to rubber cylinder A two ends, the two ends realizing rubber cylinder A are inflated simultaneously, gas is in muffling check valve 9 enters rubber cylinder A, rubber cylinder A expands, intrinsic pressure rising, after rubber cylinder A the blowing pressure reaches the unlatching pressure that relief valve 3 sets, start aerofluxus, the intrinsic pressure operating pressure keeping setting of rubber cylinder A；The buoyancy of floating drum reaches design load, carries out the lifting of caisson, along with the rise of caisson, extraneous hydraulic pressure changes, intrinsic pressure increase in rubber cylinder A, gas expansion, relief valve 3 continues aerofluxus, increase along with inside and outside differential pressure value, then it is gradually increased exhaust velocity and capacity, to maintain intrinsic pressure change by a small margin, it is ensured that the pressure safety of rubber cylinder A, until static after being raised to proper height, intrinsic pressure dropping to sets pressure；At work, run into relief valve 3 lost efficacy and can not aerofluxus time, should suspend and hoist and open ball valve 10 and be exhausted.

The above is only the preferred implementation of this patent; it should be pointed out that, for those skilled in the art, on the premise of without departing from the art of this patent principle; can also make some improvement and replacement, these improve and replace the protection domain that also should be regarded as this patent.

Claims (4)

1. a big buoyancy rubber caisson, including cylindrical rubber cylinder, it is characterized in that: described rubber cylinder two ends are connected with hemispheric rubber end socket, described rubber end socket end is connected with the valve being connected with rubber cylinder, described valve connects main valve body, described main valve body is provided with four interfaces being connected, valve connects an interface of main valve body, other three interfaces of main valve body are connected to relief valve, muffling check valve and ball valve, it is cased with outside described valve protecting muzzle cylinder, it is cased with bearing dish outside described main valve body, the described muzzle cylinder that protects is connected with bearing dish, described bear be cased with outside dish bottom be pressed on the protective cover on rubber end socket, protective cover top connects protected plate.

The biggest buoyancy rubber caisson, it is characterised in that: being provided with interior edge on described protective cover inwall, there is vertical adjustment screw rod on described interior edge with bearing to be connected between dish.

The biggest buoyancy rubber caisson, it is characterised in that: described muffling check valve has been bolted snap joint, and described protective cover sidewall is provided with the opening passing snap joint.

The biggest buoyancy rubber caisson, it is characterised in that: leave buffer cavity bottom described protection board and between main valve body top.