CN1081953C

CN1081953C - Seawater flusher

Info

Publication number: CN1081953C
Application number: CN98121095A
Authority: CN
Inventors: 张艾群; 张将
Original assignee: Shenyang Institute of Automation of CAS
Current assignee: Shenyang Institute of Automation of CAS
Priority date: 1998-12-18
Filing date: 1998-12-18
Publication date: 2002-04-03
Anticipated expiration: 2018-12-18
Also published as: CN1257758A

Abstract

The present invention relates to underwater operation equipment, particularly to a seawater flushing tool which is used for the dirt removing and scaling of the surfaces of various facilities under seawater. The present invention has the technical scheme that a dual-function hydraulic cylinder and cylinder bodies of seawater cylinders are integrated; the middle part of the cylinder body is provided with a dual-function hydraulic oil cylinder, and both sides of the cylinder body are provided with the seawater cylinders; the dual-function hydraulic oil cylinder and the seawater cylinders share a piston rod which is provided with a sealing device; two cavities A1, B1 of the seawater cylinders are respectively connected with high-pressure rubber tubes through water discharge one-way valves; big end covers of the seawater cylinders are provided with seawater filters; the high-pressure rubber tubes are connected with nozzle which are provided with gun tubes through installing seats. The present invention has the advantages of seawater corrosion resistance, long-term use, light weight, small volume, high efficiency, operation in abyssal sea, etc.

Description

A kind of seawater flusher

The present invention relates to a kind of underwater operation equipment, specifically is the various under water facilities surface seawater flushing instrument that de-sludging uses of removing contamination.

In the prior art, can utilize sea water pump that seawater is pressurizeed, then the seawater of pressurization be arrived the body surface that needs cleaning through nozzle ejection, to remove the various dirts on it.But the general volume of normally used sea water pump is big, weight is big, generally can not be placed in the seawater directly to use, and low, the pressurized seawater pressure of efficient low, be subject to seawater corrosion.

In order to overcome above-mentioned deficiency, the purpose of this invention is to provide a kind of seawater corrosion resistance, can use for a long time, in light weight, volume is little, the efficient height, and can be at the high pressure sea water sluice gun of deep ocean work.

To achieve these goals, technical scheme of the present invention is: be made up of double-act-ing hydraulic J-Horner, salt water tank, check valve, high-pressure rubber pipe and nozzle, wherein the cylinder body of double acting hydraulic cylinder and salt water tank is an one, the cylinder body middle part is a double-act-ing hydraulic J-Horner, both sides are salt water tank, the piston rod of their shared band sealing devices, two chamber A1, B1 in the salt water tank are connected with high-pressure rubber pipe respectively by check valve of water drainage, the big end cap of salt water tank is equipped with the sea water filter device, and described high-pressure rubber pipe joins through mount pad and the nozzle that has gun barrel;

Described double-act-ing hydraulic J-Horner places in the cylinder body, form by little end cap, sealing block, valve piston, piston rod and oil duct, the valve piston and the piston rod that have sealing device are that one is positioned at its middle part, two small end lid inboards are provided with sealing block, be installed in cylinder body center lumen two ends respectively, be respectively equipped with oil duct on the cylinder body of valve piston both sides;

The shared piston rod of described salt water tank and double-act-ing hydraulic J-Horner, comprise big end cap, big piston, chamber A1, B1, A2, B2, wherein two big pistons that sealing device is housed place the double-act-ing hydraulic J-Horner both sides of cylinder body respectively, be installed on the piston rod by nut, coaxial with valve piston, its lumen A1, B1 are connected with two check valve of water drainage by taper thread respectively, big end cap is installed on the cylinder body two ends by screw thread, chamber A2 communicates with chamber B2 by oil duct, is provided with oil filler point with cover on chamber A2, B2 place cylinder body;

Described two joints that high-pressure rubber pipe one end inserts check valve of water drainage respectively, the other end of the high-pressure rubber pipe that put on the right side is installed on the mount pad by joint, the other end of the high-pressure rubber pipe that put on a left side is installed on mount pad by angle coupling, shrinks conical nozzle and also is installed on the mount pad by gun barrel;

Into water check valve is housed on the described big end cap, and the sea water filter device is equipped with in its water inlet check valve outside;

Described mount pad is a three-way body.

The present invention has following advantage:

1. because double-act-ing hydraulic J-Horner of the present invention and salt water tank adopt same cylinder body, be convenient to processing and installation: cylinder body, big or small end cap adopt aluminum alloy materials, make it in light weight.

2. in salt water tank, be marked with hydraulic oil because chamber A2 and B2 are in advance with there being oil circuit to communicate, the energy seawater corrosion resistance can use in the deep-sea for a long time.

3. owing to adopt double-act-ing hydraulic J-Horner, compare, can work continuously with general sea water pump, its flush efficiency height, seawater nozzle exit pressure height can use in the deep-sea in addition.

Below in conjunction with accompanying drawing design feature of the present invention and operation principle are described in further details.

Fig. 1 is a structural representation of the present invention.

As shown in Figure 1, the present invention includes double-act-ing hydraulic J-Horner, salt water tank, check valve, high-pressure rubber pipe and nozzle, wherein the cylinder body 1 of double acting hydraulic cylinder and salt water tank is an one, cylinder body 1 middle part is a double-act-ing hydraulic J-Horner, both sides are salt water tank, the piston rod 4 of their shared band sealing devices, two chamber A1, B1 in the salt water tank are connected with high-pressure rubber pipe 11 respectively by check valve of water drainage 10, the big end cap 5 of salt water tank is equipped with sea water filter device 6, and described high-pressure rubber pipe 11 joins through mount pad 15 and the nozzle 16 that has gun barrel 14; Described piston rod 4 adopts the staged sealing ring, and two oil ducts 18 lead to oil sources.

Described double-act-ing hydraulic J-Horner places 1 li of cylinder body, form by small end lid 2, sealing block 3, valve piston 17, piston rod 4 and oil duct 18, the valve piston 17 that has sealing device is positioned at its middle part with piston rod 4 for one, two small ends cover 2 inboards and are provided with sealing block 3, be installed in cylinder body 1 center lumen two ends respectively, be respectively equipped with oil duct 18 on the cylinder body 1 of valve piston 17 both sides; Described valve piston 17 adopts the slip-ring seal circle, described small end lid adopts staged sealing ring and 0 type circle sealing means, to prevent that the liquid among chamber A2, the B2 from entering double-act-ing hydraulic J-Horner, its sealing block 3 has prevented that the hydraulic oil in the double-act-ing hydraulic J-Horner from entering chamber A2 or B2.

The shared piston rod 4 of described salt water tank and double-act-ing hydraulic J-Horner, comprise big end cap 5, big piston 9, chamber A1, B1, A2, B2, wherein two big pistons 9 that sealing device is housed place cylinder body 1 respectively, in the double-act-ing hydraulic J-Horner both sides, be installed on the piston rod 4 by nut 8, coaxial with valve piston 17, its lumen A1, B1 are connected with two check valve of water drainage 10 by taper thread respectively, big end cap 5 is installed on cylinder body 1 two ends by screw thread, chamber A2 communicates with chamber B2 by oil duct, is provided with oil filler point with cover 19 on chamber A2, B2 place cylinder body 1; Inject hydraulic oil, oiling rear seal-cover by oil filler point 18 can in advance chamber A2, the B2 of salt water tank; The sealing device that described big piston 9 outer rims adopt is a twice slip-ring seal circle.

Described two joints that high-pressure rubber pipe one end inserts check valve of water drainage 10 respectively, the other end of the high-pressure rubber pipe that put on the right side is installed on the mount pad 15 by joint 13, the other end of the high-pressure rubber pipe that put on a left side is installed on mount pad 15 by angle coupling 12, shrinks conical nozzle 16 and also is installed on the mount pad 15 by gun barrel 14; The present invention adopts and shrinks conical nozzle 16, and liquid flows thigh and little by little shrinks after shrinking the conical nozzle outflow, to increase flow velocity and the kinetic energy that flows thigh.

By screw thread into water check valve 7 is housed on the described big end cap 5, produce emptying phenomenon when preventing to suck seawater, the pressure of water inlet one-way valve spring can not be too high, sea water filter device 6 is equipped with in its water inlet check valve 7 outsides, stops up water inlet check valve 7 with the dirt that prevents to produce in the flushing process when salt water tank sucks seawater.

Described mount pad 15 is a three-way body.

Operation principle of the present invention is:

It is reciprocating that hydraulic oil source drives double-act-ing hydraulic J-Horner piston rod 4 through reversal valve, make the seawater in the salt water tank be pressurized to the authorized pressure value, through nozzle 16 seawater with certain pressure and fair speed is ejected on the body surface that needs cleaning then, removes the various dirts on it.

Double-act-ing hydraulic J-Horner of the present invention can drive with hydraulic oil source, and also available high-pressure air source drives; Cylinder body 1, small end lid 2, big end cap 5 all adopt aluminum alloy materials.

Claims

1. seawater flusher, comprise double-act-ing hydraulic J-Horner, salt water tank, check valve, high-pressure rubber pipe and nozzle, it is characterized in that: wherein the cylinder body of double acting hydraulic cylinder and salt water tank (1) is one, cylinder body (1) middle part is a double-act-ing hydraulic J-Horner, both sides are salt water tank, the piston rod (4) of their shared band sealing devices, two chamber A1 in the salt water tank, B1 is connected with high-pressure rubber pipe (11) respectively by check valve of water drainage (10), the big end cap (5) of salt water tank is equipped with sea water filter device (6), and described high-pressure rubber pipe (11) joins through mount pad (15) and the nozzle (16) that has gun barrel (14).

2. according to the described seawater flusher of claim 1, it is characterized in that: described double-act-ing hydraulic J-Horner places cylinder body (1) lining, form by little end cap (2), sealing block (3), valve piston (17), piston rod (4) and oil duct (18), the valve piston (17) that wherein has sealing device is positioned at its middle part with piston rod (4) for one, two little end caps (2) inboard is provided with sealing block (3), be installed in cylinder body (1) center lumen two ends respectively, be respectively equipped with oil duct (18) on the cylinder body (1) of valve piston (17) both sides.

3. according to the described seawater flusher of claim 1, it is characterized in that: the shared piston rod of described salt water tank and double-act-ing hydraulic J-Horner (4), comprise big end cap (5), big piston (9), chamber A1, B1, A2, B2, wherein two big pistons (9) that sealing device is housed place the double-act-ing hydraulic J-Horner both sides of cylinder body (1) respectively, be installed on the piston rod (4) by nut (8), coaxial with valve piston (17), its lumen A1, B1 is connected with two check valve of water drainage (10) by taper thread respectively, big end cap (5) is installed on cylinder body (1) two ends by screw thread, chamber A2 communicates with chamber B2 by oil duct, at chamber A2, B2 place cylinder body (1) is provided with oil filler point with cover (19).

4. according to the described seawater flusher of claim 1, it is characterized in that: described two high-pressure rubber pipe one ends insert the joint of check valve of water drainage (10) respectively, the other end of the high-pressure rubber pipe that put on the right side is installed on the mount pad (15) by joint (13), the other end of the high-pressure rubber pipe that put on a left side is installed on mount pad (15) by angle coupling (12), shrinks conical nozzle (16) and also is installed on the mount pad (15) by gun barrel (14).

5. according to the described seawater flusher of claim 8, it is characterized in that: into water check valve (7) is housed on the described big end cap (5), and sea water filter device (6) is equipped with in its water inlet check valve (7) outside.

6. according to claim 1,4 described seawater flushers, it is characterized in that: described mount pad (15) is a three-way body.