CN205327369U - Rubber caisson - Google Patents

Abstract

The utility model discloses a rubber caisson, including the columniform packing element body, packing element body both ends an organic whole is connected with hemispherical rubber head, the rubber head tip outside is connected with flange cover case, flange cover incasement is provided with the buffering cavity, be provided with on the terminal surface of the flange cover case outside all with cushion that the cavity is linked together aerify check valve, stop valve and relief valve, rubber head tip an organic whole is connected with the air cock, air cock one end is linked together with the packing element body, and the air cock other end is linked together with the buffering cavity. 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 rubber caisson

Technical field

This utility model relates to a kind of rubber caisson。

Background technology

Caisson is a kind of container producing water buoyancy, surrounding seals, submerged in water can produce huge buoyancy, controllable buoyancy can be provided for heavy sea, immersed object salvage, 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 generally 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 the checking bollard of floating drum by very heavy for hull bottom through floating drum fairlead, being filled with compression 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 except, can also be placed in shipwreck cabin, inflation heel row is except the water inlet in cabin is to provide buoyancy。

In current practical application, the caisson of metal belongs to mature technology, and it manufactures and designs equal seriation standardization。Cause that owing to volume is big, weight big practical operation is inconvenient, 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, multiple floating drum is needed jointly to apply when realizing big buoyancy, this adds increased the actual difficulty of operation, also control to bring complexity to inflation/deflation, moreover the current inflation/deflation but without a set of maturation and Buoyancy Control Technique, cylinder bearing pressure is little, and the shallow water being generally only applicable to the depth of water tens meters is salvaged, and practical application area is only small。

Summary of the invention

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

This utility model is realized by following measures:

A kind of rubber caisson of the present utility model, including cylindrical rubber cylinder, described rubber cylinder two ends are connected with hemispheric rubber end socket, it is connected to flange cover case outside described rubber end socket end, it is provided with buffer cavity in described flange cover case, flange cover case end face outside is provided with the inflation check valve, stop valve and the relief valve that are all connected with buffer cavity, rubber end socket end is connected with valve, described valve one end is connected with rubber cylinder, and the valve other end is connected with buffer cavity。

Above-mentioned valve is cased with protecting muzzle cylinder, and protects muzzle cylinder and be fastened on valve, described in protect muzzle cylinder and be connected with flange cover case by bolt, described flange cover case is connected to the transition cover body of cone, and described transition cover body is fastened and connected outside rubber end socket。

One end of above-mentioned valve is for cone and stretches in rubber tube body, is integrated with the sulfuration of rubber cylinder, protects muzzle jacket casing in the middle part of valve in the middle part of valve, and protects and threaded on the valve outside muzzle cylinder have clamp nut。

Above-mentioned protecting the straight tube and vertical and straight tube flanging that muzzle cylinder includes being enclosed within valve, extend and have connection seat inside described flange cover case, described flanging is connected by bolt with being connected seat。

Being additionally provided with reserved opening in above-mentioned flange cover case end face outside, flange cover case arranged outside has protective cover, and described inflation check valve, stop valve, relief valve and reserved opening are respectively positioned in protective cover。

The external net that is cased with of above-mentioned rubber tube, described rubber end socket arranged outside has dead ring, and the two ends of described net are connected on dead ring, and the lower end of net is provided with some systems and admittedly restricts。

The beneficial effects of the utility model are: 1. cylinder adopts quality of rubber materials, has flexibility, can realize vacuum state, it is easier to folding, take volume little, lightweight, it is easy to transport；2. owing to the density of material of rubber floating drum is about 1.3, its lightweight in water, 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, and unit buoyancy cost is low, 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 less unit buoyancy cost advantage；4. rubber floating drum of the present utility model is mounted with net, can realize the power transmission of lashing point, rational in infrastructure, easy for installation, dependable performance；5. rubber floating drum of the present utility model is mounted with air inflation discharging control device, it is possible to realizes inflation anti-leak, automatic vent, 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 is the structural representation of Fig. 1 end。

Fig. 4 is the cut-away section structural representation of Fig. 2。

Fig. 5 be in Fig. 4 A-A to cross-sectional view。

In figure: 1 rubber cylinder, 2 ventilating control valve groups, 3 nets, 4 is solid rope, 5 transition cover bodies, 6 protective covers, and 7 inflation check valves, 8 stop valves, 9 relief valve, 10 reserved opening, 11 dead rings, 12 flange cover casees, 13 protect muzzle cylinder, 14 valves, 15 clamp nuts。

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is done further detailed description:

Such as Fig. 1, 2, shown in 3, a kind of rubber caisson of the present utility model, including cylindrical rubber cylinder 1, rubber cylinder 1 two ends are connected with hemispheric rubber end socket, flange cover case 12 it is connected to outside rubber end socket end, it is provided with buffer cavity in flange cover case 12, flange cover case 12 end face outside is provided with the inflation check valve 7 being all connected with buffer cavity, stop valve 8 and relief valve 9, rubber end socket end is connected with valve 14, valve 14 one end is connected with rubber cylinder 1, valve 14 other end is connected with buffer cavity, the junction of valve 14 and flange cover case 12 adopts the sealing means of radial seal O。

As shown in Figure 4,5, valve 14 is cased with protecting muzzle cylinder 13, and protects muzzle cylinder 13 and be fastened on valve 14, protect muzzle cylinder 13 and be connected with flange cover case 12 by bolt, flange cover case 12 is connected to the transition cover body 5 of cone, and transition cover body 5 is fastened and connected outside rubber end socket。One end of valve 14 is for cone and stretches in rubber cylinder 1, is integrated with rubber cylinder 1 sulfuration in the middle part of valve 14, and protecting muzzle cylinder 13 is enclosed within the middle part of valve 14, and protects and threaded on the valve 14 outside muzzle cylinder 13 have clamp nut 15。Protecting straight tube and vertical and straight tube flanging that muzzle cylinder 13 includes being enclosed within valve 14, extend and have connection seat inside flange cover case 12, flanging is connected by bolt with being connected seat。Being additionally provided with reserved opening 10 in flange cover case 12 end face outside, flange cover case 12 arranged outside has protective cover 6, and inflation check valve 7, stop valve 8, relief valve 9 and reserved opening 10 are respectively positioned in protective cover 6。Being cased with net 3 outside rubber cylinder 1, rubber end socket arranged outside has dead ring 11, the two ends of net 3 to be connected on dead ring 11, and the lower end of net 3 is provided with some systems and admittedly restricts 4。

The material of rubber cylinder 1 is the complex of rubber and framework material, the lashing point of buoyancy is realized in outer net 3 structure of installing of rubber cylinder 1, realize the inflation/deflation of caisson is controlled by the charge and discharge gas control valve group at rubber cylinder 1 two ends, major diameter specification can provide more than 100 tons big buoyancy, salvaging hoists can realize automatic pressure control in process, it is possible to adapt to the salvaging demand of different water depth。The rubber framework material that rubber cylinder 1 of the present utility model adopts, there is significantly high 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。

The hemispheric rubber end socket in two ends can improve the volume utilization ratio in total length, thus improving buoyancy space utilization rate, it is possible to adopt the version of two ends conehead, but its buoyancy space utilization rate is lower than hemisphere。Inflation check valve 7 is used for inflation 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 9, relief valve 9 is opened, outside aerofluxus, it is ensured that in cylinder, gas pressure opens pressure lower than the setting of relief valve 9, reduces the cylinder explosion risk because intrinsic pressure rising causes。Stop valve 8 plays degassing function in emergency circumstances, manually or the mode of electromagnetic switch open。Reserved opening 10 is in order to standby interface, as installed sensor etc.。

Shelter-clad 6 is installed in the outside of above-mentioned various control valves, plays the effect of protection inner valve body, reduce the valve member inefficacy that accident collision causes。The each parts of charge and discharge gas control valve group adopt juxtaposition to be commonly connected on valve 14, and it is arranged on the valve 14 at cylinder two ends as an independent unit module, form parallel construction, realize two ends control simultaneously to facilitate。Net 3 adopts direction of warp and weft to combine cylindric latticed form, leaves and is helped the fixing suspension centre of floating thing for fixing。

Buffer cavity in flange cover case 12 can make each valve on end face connect with valve 14, seals simultaneously and makes internal and external environment isolation。Inflation check valve 7 can ensure that gas can only unidirectional enter, inflate 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 is without leaking；Stop valve 8 faying face adds rubber gasket and seals, for aerofluxus；Relief valve 9 faying face adds rubber gasket and seals, and when in rubber caisson, pressure and ambient pressure difference are more than safe pressure, relief valve 9 will be opened by gas, be exhausted, it is ensured that floating drum inside and outside differential pressure is stable；Protective cover 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 or flange cover case 12 are collided, mainly carry out load by protecting mouth。Transition cover need not seal, and itself and rubber cylinder 1 are tightly pressed together, it is possible to make rubber caisson be integrally conical, it is prevented that to tangle surrounding objects。

When working under water, extraneous pipeline on the water surface is connected on the inflation check valve 7 of ventilating control valve group 2 at rubber cylinder 1 two ends, the two ends realizing rubber cylinder 1 are inflated simultaneously, gas enters in rubber cylinder 1 through inflation check valve 7, rubber cylinder 1 expands, intrinsic pressure rising, after rubber cylinder 1 the blowing pressure reaches the unlatching pressure that relief valve 9 sets, start aerofluxus, the intrinsic pressure operating pressure keeping setting of rubber cylinder 1；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 1, gas expansion, relief valve 9 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 1, until static after being raised to proper height, intrinsic pressure drop to setting pressure；At work, run into relief valve 9 lost efficacy and can not aerofluxus time, should suspend and hoist and opening stop valve 8 is exhausted。

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

Claims (6)

1. a rubber caisson, including cylindrical rubber cylinder, it is characterized in that: described rubber cylinder two ends are connected with hemispheric rubber end socket, it is connected to flange cover case outside described rubber end socket end, it is provided with buffer cavity in described flange cover case, flange cover case end face outside is provided with the inflation check valve, stop valve and the relief valve that are all connected with buffer cavity, rubber end socket end is connected with valve, described valve one end is connected with rubber cylinder, and the valve other end is connected with buffer cavity。

2. rubber caisson according to claim 1, it is characterized in that: described valve is cased with protect muzzle cylinder, and protect muzzle cylinder and be fastened on valve, the described muzzle cylinder that protects is connected with flange cover case by bolt, described flange cover case is connected to the transition cover body of cone, and described transition cover body is fastened and connected outside rubber end socket。

3. rubber caisson according to claim 2, it is characterized in that: one end of described valve is for cone and stretches in rubber tube body, it is integrated with the sulfuration of rubber cylinder in the middle part of valve, protects muzzle jacket casing in the middle part of valve, and protect and threaded on the valve outside muzzle cylinder have clamp nut。

4. rubber caisson according to claim 2, it is characterized in that: described in protect the straight tube and vertical and straight tube flanging that muzzle cylinder includes being enclosed within valve, extending inside described flange cover case and have connection seat, described flanging is connected by bolt with being connected seat。

5. rubber caisson according to claim 1, it is characterised in that: being additionally provided with reserved opening in described flange cover case end face outside, flange cover case arranged outside has protective cover, and described inflation check valve, stop valve, relief valve and reserved opening are respectively positioned in protective cover。

6. rubber caisson according to claim 1, it is characterised in that: the external net that is cased with of described rubber tube, described rubber end socket arranged outside has dead ring, and the two ends of described net are connected on dead ring, and the lower end of net is provided with some systems and admittedly restricts。