CN104912855A - Automatic reversing seawater supercharger capable of being applied to deep sea environment - Google Patents
Automatic reversing seawater supercharger capable of being applied to deep sea environment Download PDFInfo
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- CN104912855A CN104912855A CN201510319600.9A CN201510319600A CN104912855A CN 104912855 A CN104912855 A CN 104912855A CN 201510319600 A CN201510319600 A CN 201510319600A CN 104912855 A CN104912855 A CN 104912855A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Multiple-Way Valves (AREA)
Abstract
The invention aims to provide an automatic reversing seawater supercharger capable of being applied to the deep sea environment. The automatic reversing seawater supercharger is composed of a bi-directional plunger cylinder, an automatic reversing mechanism and a check valve. A rod cavity of the plunger cylinder is a high pressure cavity, a rodless cavity is a low pressure cavity, a hydraulic reversing valve core is installed on an end cover of the low pressure cavity and moves to the limit position through a plunger so that the valve core is triggered, a reversing valve is driven hydraulically to achieve automatic reversing, and the movement direction of the plunger is changed. Besides a flow channel that passes through the plunger cylinder, the supercharger is further provided with a low pressure bypass flow channel. Pipelines of the supercharger are in external pressure resistant connection, flow supply can be performed directly for a system through a bypass when the pressure is low, flow supply can be performed for the system through secondary pressurization of the supercharger when the pressure is high, double-way supply of flow of a hydraulic system is achieved, and the working efficiency is improved. The supercharger is of a bi-directional effect plunger automatic reversing structure and has the advantages of flow supply continuity and low pulsation compared with an existing unidirectional effect plunger reciprocating type supercharger.
Description
Technical field
What the present invention relates to is a kind of underwater robot, specifically underwater robot buoyancy adjustment hydraulic system.
Background technique
Along with the development of ocean engineering, underwater robot is widely used.Because people are to the requirement of underwater robot low energy consumption, buoyancy regulating device receives extensive concern.Seawater pump type buoyancy regulating system is more suitable for diving greatly dark operation.The low energy consumption of hydraulic power supply demand fulfillment, high pressure, high-precision adjustment requirement.High pressure sea water plunger pump on market is very general, but in view of its minimum flow requirement under elevated pressure conditions, can not realize small flow range regulation, and be land product, therefore need driving element to provide relatively high power under hyperbaric environment.Have a low discharge, the hydraulic power supply of high row pressure is the key realizing underwater robot buoyancy fine adjustment.The seawater boost device of development highi degree of accuracy, high row pressure, the significant and value to the development of underwater robot buoyancy adjustment technology.
Have developed in " Automatic continuous hydraulic intensifier research & design " article that " hydraulic pressure and startup " periodical is published a kind of can the hydraulic intensifier of supercharging continuously, in document cylinder shoulder diameter be greater than both sides piston cross-section amass, its automatic reverse pulls switching valve by chain, in document, pressurized machine take oil as medium, be intended to continuous supercharging, cannot deep-sea be applied to; The pressurized machine that Scanwill company of Denmark produces, be single plunger Reciprocatory pressurized machine, there is flow idle running, flow pulsation and pressure pulsation are all larger.
Summary of the invention
The object of the present invention is to provide as underwater robot buoyancy regulating system provides a kind of automatic reverse seawater boost device that can be applicable to abyssal environment of accurate buoyancy adjustment ability.
The object of the present invention is achieved like this:
A kind of automatic reverse seawater boost device that can be applicable to abyssal environment of the present invention, it is characterized in that: comprise switching valve, hydraulicchange-over valve, switching valve is arranged on hydraulicchange-over valve, switching valve comprises switching valve housing and is arranged on the switching valve spool in switching valve housing, switching valve housing is arranged the first water outlet, the second water outlet and switching valve low tension outlet, first water outlet is all communicated with backwater mouth with the second water outlet, switching valve low tension outlet is communicated with switching valve low pressure port, and switching valve spool arranges the first switching valve outlet and the outlet of the second switching valve, hydraulicchange-over valve comprises left cylinder, right cylinder body, left cylinder end cap, right cylinder end caps, cylinder is takeed on, plunger rod, left piston, right piston, left hydraulicchange-over valve core, right hydraulicchange-over valve core, cylinder shoulder is arranged between left cylinder and right cylinder body, left cylinder cylinder cap is arranged on the end of left cylinder, right cylinder block and head is arranged on the end of right cylinder body, left piston is arranged in left cylinder, right piston is arranged in right cylinder body, plunger rod is takeed on through cylinder and is arranged on left piston and right piston, the first low-pressure cavity is formed between left cylinder cylinder cap and left piston, the first hyperbaric chamber is formed between left piston and cylinder shoulder, the second low-pressure cavity is formed between right cylinder block and head and right piston, the second hyperbaric chamber is formed between right piston and cylinder shoulder, hydraulicchange-over valve core left end cap is installed in left cylinder end cap end, hydraulicchange-over valve core left chamber is set in left cylinder end cap, left hydraulicchange-over valve core is arranged in the left chamber of hydraulicchange-over valve core, left cylinder end cap is arranged left voltage supply mouth, the outlet of left chamber, left voltage supply mouth is communicated with switching valve low pressure port, the outlet of left chamber is exported by pipeline connection second switching valve, hydraulicchange-over valve core left end cap arranges left end cap opening, left end cap open communication backwater mouth, hydraulicchange-over valve core right end cap is installed in right cylinder end caps end, the right chamber of hydraulicchange-over valve core is set in right cylinder end caps, right hydraulicchange-over valve core is arranged in the right chamber of hydraulicchange-over valve core, right cylinder end caps is arranged right voltage supply mouth, the outlet of right chamber, right voltage supply mouth is communicated with switching valve low pressure port, the outlet of right chamber is exported by pipeline connection first switching valve, hydraulicchange-over valve core right end cap arranges right end cap opening, right end cap open communication backwater mouth.
The present invention can also comprise:
1, left hydraulicchange-over valve core one end is that cylinder type and left cylinder end cap carry out radial seal, and the left hydraulicchange-over valve core the other end is the tri-prism with leading role, coordinates with left end cap opening, and right hydraulicchange-over valve core is identical with left hydraulicchange-over valve cored structure.
2, the sectional area diameter of the first switching valve outlet and the outlet of the second switching valve is less than switching valve spool sectional area diameter.
Advantage of the present invention is:
1, resistance to high external pressure: patent of the present invention adopts proof to external pressure design, and connecting pipeline adopts proof to external pressure hard tube, is applicable to deep-sea height external pressure environment.
2, corrosion-resistant: patent of the present invention adopts Stainless steel 316 L material, and resistance to corrosion seawater is strong.
3, working efficiency is high: patent of the present invention directly can carry out flow supply to system when low pressure by bypass, secondary booster when high pressure then by pressurized machine carries out flow supply to system, achieve the two-way supply of flow rate of hydraulic system, improve working efficiency.
4, flow pulsation is little: patent of the present invention adopts two-way function plunger automatic reverse structure, eliminates the flow idle running of plunger, more existing single effect plunger reciprocates type pressurized machine have supply flow continuously, little advantage of pulsing.
5, changement is reliable: the changement of patent of the present invention, when plunger does not go to limit position, definitely cannot commutate, until plunger top is to hydraulicchange-over valve core, switching valve surges after commutation, plunger reversing motion.Switching valve commutation, by hydraulic control, decreases the impact being mechanically connected and causing, and improves working life.
6, Non-energy-consumption: adopt pure mechanical structure to commutate, do not need electrical signal, underwater operation is more reliable, and Non-energy-consumption.
Accompanying drawing explanation
Fig. 1 is hydraulic schematic diagram of the present invention;
Fig. 2 is plunger right lateral hydraulic diagram of the present invention;
Fig. 3 is plunger left lateral hydraulic diagram of the present invention;
Fig. 4 is structural representation of the present invention;
Fig. 5 is hydraulicchange-over valve core graphics.
Embodiment
Below in conjunction with accompanying drawing citing, the present invention is described in more detail:
Composition graphs 1 ~ 5, two-way column plug cylinder is made up of plunger PL and cylinder body, plunger rod 25 is in centre, two ends fixed piston 18 and piston 27, O RunddichtringO 20 and O RunddichtringO 24 is adopted to realize end face seal between two-piston and plunger rod 25 respectively, plunger rod 25 two ends are screw thread, by nut 17 and nut 28 fixed piston 18 and piston 27 respectively.Left cylinder 16 is connected with right cylinder body 40 by cylinder shoulder 47 by cylinder body.End face seal is realized respectively by O RunddichtringO 21 and O RunddichtringO 23.Cylinder shoulder 47 realizes axial motive sealing with plunger rod 25 by O RunddichtringO 22, and piston and left and right cylinder body realize axial motive sealing by O RunddichtringO 19 and O RunddichtringO 26.Left and right cylinder body has fluid passage opening, and unnecessary opening blocks with tapered thread plug 6 and tapered thread plug 37 respectively, and tapered thread plug twines raw meal belt.Cylinder end caps 8 and cylinder end caps 36 have hydraulicchange-over valve core chamber 13 and hydraulicchange-over valve core chamber 31, realize axial motive sealing respectively with hydraulicchange-over valve core 10 and hydraulicchange-over valve core 34 by O RunddichtringO 14 and O RunddichtringO 30.Spool contact stretches in low-pressure cavity L1 and low-pressure cavity L2 respectively.Cylinder end caps 8 and cylinder end caps 36 realize end face seal respectively by O RunddichtringO 15 and O RunddichtringO 29.
Automatic reversing mechanism, slided by the action control switching valve spool 2 of hydraulicchange-over valve core 10 or hydraulicchange-over valve core 34, switching valve spool 2 and valve pocket 46 adopt combined seal ring 44 to realize radial seal, valve pocket 46 and switching valve housing 48 adopt O RunddichtringO 45 to realize radial seal, the axial position of valve pocket 46 and switching valve spool 2 is fixed by switching valve left end cap 3 and switching valve right end cap 42, adopts socket head screw 1 and socket head screw 41 to fix respectively.Switching valve spool 2 and realize radial seal respectively by combined seal ring 4 and combined seal ring 43 between switching valve left end cap 3 and right end cap 42.Switching valve housing 48 carries out end face seal with O RunddichtringO 5 and O RunddichtringO 38 respectively with left cylinder 16 and right cylinder body 40.Automatic reversing mechanism water outlet T1 with T2 is communicated with backwater mouth T.Switching valve S2 mouth communicates with hydraulicchange-over valve core chamber, left side, and switching valve S1 mouth communicates with hydraulicchange-over valve core chamber, right side, is connected respectively with titanium alloy tube 7 with titanium alloy tube 39.Hydraulicchange-over valve core 10 and hydraulicchange-over valve core 34 are equipped with stage clip 11 and stage clip 33 respectively, hydraulicchange-over valve core end cap 9 and hydraulicchange-over valve core end cap 35 be fixer brake control valve core 10 and hydraulicchange-over valve core 34 respectively, and realizes end face seal with left and right cylinder end caps by O RunddichtringO 12 and O RunddichtringO 32 respectively.Hydraulicchange-over valve core end cap opening is communicated with backwater mouth T.The voltage supply mouth of left and right cylinder end caps is communicated with switching valve low pressure port P respectively.
As shown in hydraulic schematic diagram of the present invention, it is made up of two-way column plug cylinder, automatic reversing mechanism, one-way valve.Two-way column plug cylinder rod chamber is hyperbaric chamber, and rodless cavity is low-pressure cavity, and plunger PL two ends are two low-pressure cavity, is low-pressure cavity L1 and low-pressure cavity L2 respectively, and centre is two hyperbaric chambers, is hyperbaric chamber H1 and hyperbaric chamber H2 respectively.Two hyperbaric chambers have one group of one-way valve respectively, often organize one-way valve and have two, one-way valve CV6 import communicates with hyperbaric chamber H1, one-way valve CV3 import communicates with hyperbaric chamber H2, one-way valve CV6 and one-way valve CV3 outlet communicates with high-pressure mouth HP jointly, one-way valve CV5 outlet communicates with hyperbaric chamber H1, and one-way valve CV2 outlet communicates with hyperbaric chamber H2, and one-way valve CV5 import and one-way valve CV2 import interconnect.One-way valve CV7 import communicates with low-pressure cavity L1, and one-way valve CV8 import communicates with low-pressure cavity L2, and one-way valve CV7 exports and one-way valve CV8 outlet interconnects with one-way valve CV5 import and one-way valve CV2 import.One-way valve CV1 exports and one-way valve CV4 outlet communicates with high-pressure mouth HP, and one-way valve CV1 import communicates with low-pressure cavity L1, and one-way valve CV4 import communicates with low-pressure cavity L2.Switching valve PCV water outlet is communicated with low-pressure cavity L1 and low-pressure cavity L2 respectively with backwater mouth.Hydraulic power water outlet meets pressurized machine low pressure port P, and hydraulic power suction port takes back mouth of a river T, and high-pressure mouth HP is communicated with hydraulic actuator.Pipeline connects employing proof to external pressure hard tube.
When stoste potential source delivery pressure can meet system requirements, liquid directly can pass through P mouth, successively through one-way valve CV1 (or CV4), CV7 (or CV8), CV5, CV6, CV2, CV3, finally flow to high-pressure mouth HP, under environment under low pressure, improve working efficiency.
When stoste potential source delivery pressure can not meet system requirements, the signal of plunger right lateral hydraulic pressure hydraulic pressure as shown in Figure 2, process is as follows: when plunger PL reaches limit on the left position, PVC Vavle switching is to right position, seawater flows into low-pressure cavity L1 through P mouth, and enter hyperbaric chamber H2 by one-way valve CV7, CV2, along with plunger PL moves right, in hyperbaric chamber H1, seawater enters high-pressure mouth HP through one-way valve CV6, low-pressure cavity L2 seawater flows back to hydraulic power suction port through T mouth simultaneously, until plunger PL arrives limit on the right-right-hand limit position complete a plunger right lateral motion.
The signal of plunger left lateral hydraulic pressure hydraulic pressure as shown in Figure 3, process is as follows: when plunger PL reaches limit on the right-right-hand limit position, PVC Vavle switching is to left position, seawater flows into low-pressure cavity L2 through P mouth, and enter hyperbaric chamber H1 by one-way valve CV8, CV5, along with plunger PL is to left movement, in hyperbaric chamber H2, seawater enters high-pressure mouth HP through one-way valve CV3, low-pressure cavity L1 seawater flows back to hydraulic power suction port through T mouth simultaneously, until plunger PL arrives limit on the right-right-hand limit position complete a plunger left movement.Subsequent time proceeds the motion of plunger right lateral.Plunger PL, by moving back and forth with upper type, realizes pressurized machine automatic reverse.
Automatic reversing mechanism structure as shown in Figure 4.Working procedure is as follows: when plunger PL does not move to Derivative limit on the left or on the right, and switching valve S1 mouth and S2 mouth are all communicated with the suction port T (backwater mouth of pressurized machine) of source hydraulic power, and due to switching valve spool about 2 pressure balance, spool is failure to actuate; Until plunger PL moves to position limit, be assumed to be limit on the right-right-hand limit, hydraulicchange-over valve core 34 is backed down, switching valve S1 mouth is communicated with the water outlet P (pressurized machine low pressure port) of stoste potential source, disconnection is simultaneously communicated with T mouth, because P mouth pressure is greater than T mouth pressure in the course of the work, switching valve spool about 2 is by force unbalance, spool moves to the left, until be switched to next state, now liquid driven plunger PL is to left movement, and hydraulicchange-over valve core 34 is released, switching valve S1 mouth and S2 mouth are communicated with T mouth again simultaneously, and switching valve spool 2 reaches state of equilibrium again; When plunger PL moves to limit on the left position, hydraulicchange-over valve core 10 is backed down, switching valve S2 mouth is communicated with P mouth, disconnection is simultaneously communicated with T mouth, and switching valve spool 2 moves to the right, and the flow direction of water is switched again, plunger PL moves to the right, hydraulicchange-over valve core 10 is released, and switching valve S1 mouth is communicated with T mouth with S2 mouth simultaneously, and spool 2 reaches state of equilibrium.Go round and begin again, realize automatic reciprocating motion.
A kind of automatic reverse seawater boost device that can be applicable to abyssal environment of the present invention, it is made up of two-way column plug cylinder, automatic reversing mechanism, one-way valve.Two-way column plug cylinder rod chamber is hyperbaric chamber, and rodless cavity is low-pressure cavity, and plunger PL two ends are two low-pressure cavity, and centre is two hyperbaric chambers.Two hyperbaric chambers have one group of one-way valve respectively, often organize one-way valve and have two, one-way valve CV6 import communicates with hyperbaric chamber H1, one-way valve CV3 import communicates with hyperbaric chamber H2, one-way valve CV6 and one-way valve CV3 outlet communicates with high-pressure mouth HP jointly, one-way valve CV5 outlet communicates with hyperbaric chamber H1, and one-way valve CV2 outlet communicates with hyperbaric chamber H2, and one-way valve CV5 import and one-way valve CV2 import interconnect.One-way valve CV7 import communicates with low-pressure cavity L1, and one-way valve CV8 import communicates with low-pressure cavity L2, and one-way valve CV7 exports and one-way valve CV8 outlet interconnects with one-way valve CV5 import and one-way valve CV2 import.One-way valve CV1 exports and one-way valve CV4 outlet communicates with high-pressure mouth HP, and one-way valve CV1 import communicates with low-pressure cavity L1, and one-way valve CV4 import communicates with low-pressure cavity L2.Switching valve water outlet and backwater mouth are communicated with low-pressure cavity L1 and low-pressure cavity L2 respectively.Hydraulic power water outlet meets pressurized machine low pressure port P, and backwater mouth T connects hydraulic power suction port, and high-pressure mouth HP is communicated with hydraulic actuator.Pipeline connects employing proof to external pressure hard tube.
Two-way column plug cylinder is made up of plunger PL and cylinder body, and plunger rod is in centre, and two ends fixed piston, adopts O RunddichtringO to realize end face seal between piston and plunger rod, plunger rod two ends are screw thread, by nut fixed piston.Left cylinder is connected with right cylinder body by cylinder shoulder by cylinder body.End face seal is realized respectively by O RunddichtringO.Cylinder shoulder realizes axial motive sealing with plunger rod by O RunddichtringO, and piston and left and right cylinder body realize axial motive sealing by O RunddichtringO.Left and right cylinder body has fluid passage opening, and unnecessary opening tapered thread plug blocks, and tapered thread plug twines raw meal belt.Cylinder end caps has hydraulicchange-over valve core chamber, realizes axial motive sealing with hydraulicchange-over valve core by O RunddichtringO.Spool contact stretches in low-pressure cavity.Cylinder end caps realizes end face seal by O RunddichtringO.
Automatic reversing mechanism, slided by the action control switching valve spool of hydraulicchange-over valve core, switching valve spool and valve pocket adopt combined seal ring to realize radial seal, valve pocket and switching valve housing adopt O RunddichtringO to realize radial seal, the axial position of valve pocket and switching valve spool is fixed by switching valve left end cap and switching valve right end cap, adopts socket head screw to fix.Switching valve spool and realize radial seal by combined seal ring between switching valve left end cap and right end cap.Switching valve housing and left cylinder and right cylinder body carry out end face seal with O RunddichtringO respectively.Automatic reversing mechanism water outlet T1 with T2 is communicated with backwater mouth T.Switching valve S2 mouth communicates with hydraulicchange-over valve core chamber, left side, and switching valve S1 mouth communicates with hydraulicchange-over valve core chamber, right side, connects respectively with titanium alloy tube.Hydraulicchange-over valve core is equipped with stage clip respectively, hydraulicchange-over valve core end cap fixer brake control valve core, and realizes end face seal with left and right cylinder end caps by O RunddichtringO respectively.Hydraulicchange-over valve core end cap opening is communicated with backwater mouth T.The voltage supply mouth of left and right cylinder end caps is communicated with switching valve low pressure port P respectively.
One-way valve CV1, CV2, CV3, CV4, CV5, CV6, CV7, CV8, select proof to external pressure structure, adopts Stainless steel 316 L material.
Hydraulicchange-over valve core one end is that cylinder type and cylinder end caps carry out radial seal, when spool action, realizes axial motive sealing.The hydraulicchange-over valve core the other end is tri-prism, coordinates, have leading role with hydraulicchange-over valve core end cap opening, and ensures liquid communication.Spool main paragraph two ends are conical surface, form cone seal respectively with hydraulicchange-over valve core end cap and cylinder end caps.
Stage clip material is Stainless steel 316 L.
The sealed section that switching spool switching valve S2 mouth and switching valve S1 mouth communicate amasss diameter and is less than spool commutation body seal sectional area diameter, reduces the flow driven needed for commutation.
A kind of automatic reverse seawater boost device that can be applicable to abyssal environment of the present invention, it is made up of two-way column plug cylinder, automatic reversing mechanism, one-way valve.Two-way column plug cylinder rod chamber is hyperbaric chamber, and rodless cavity is low-pressure cavity, and plunger PL two ends are two low-pressure cavity, and centre is two hyperbaric chambers.Two hyperbaric chambers have one group of one-way valve respectively, often organize one-way valve and have two, one-way valve CV6 import communicates with hyperbaric chamber H1, one-way valve CV3 import communicates with hyperbaric chamber H2, one-way valve CV6 and one-way valve CV3 outlet communicates with high-pressure mouth HP jointly, one-way valve CV5 outlet communicates with hyperbaric chamber H1, and one-way valve CV2 outlet communicates with hyperbaric chamber H2, and one-way valve CV5 import and one-way valve CV2 import interconnect.One-way valve CV7 import communicates with low-pressure cavity L1, and one-way valve CV8 import communicates with low-pressure cavity L2, and one-way valve CV7 exports and one-way valve CV8 outlet interconnects with one-way valve CV5 import and one-way valve CV2 import.One-way valve CV1 exports and one-way valve CV4 outlet communicates with high-pressure mouth HP, and one-way valve CV1 import communicates with low-pressure cavity L1, and one-way valve CV4 import communicates with low-pressure cavity L2.Switching valve water outlet and backwater mouth are communicated with low-pressure cavity L1 and low-pressure cavity L2 respectively.Hydraulic power water outlet meets pressurized machine low pressure port P, and backwater mouth T connects hydraulic power suction port, and high-pressure mouth HP is communicated with hydraulic actuator.Pipeline connects employing proof to external pressure hard tube.
Two-way column plug cylinder is made up of plunger PL and cylinder body, and plunger rod is in centre, and two ends fixed piston, adopts O RunddichtringO to realize end face seal between piston and plunger rod, plunger rod two ends are screw thread, by nut fixed piston.Left cylinder is connected with right cylinder body by cylinder shoulder by cylinder body.End face seal is realized respectively by O RunddichtringO.Cylinder shoulder realizes axial motive sealing with plunger rod by O RunddichtringO, and piston and left and right cylinder body realize axial motive sealing by O RunddichtringO.Left and right cylinder body has fluid passage opening, and unnecessary opening tapered thread plug blocks, and tapered thread plug twines raw meal belt.Cylinder end caps has hydraulicchange-over valve core chamber, realizes axial motive sealing with hydraulicchange-over valve core by O RunddichtringO.Spool contact stretches in low-pressure cavity.Cylinder end caps realizes end face seal by O RunddichtringO.
Automatic reversing mechanism is slided by the action control switching valve spool of hydraulicchange-over valve core, switching valve spool and valve pocket adopt combined seal ring to realize radial seal, valve pocket and switching valve housing adopt O RunddichtringO to realize radial seal, the axial position of valve pocket and switching valve spool is fixed by switching valve left end cap and switching valve right end cap, adopts socket head screw to fix.Switching valve spool and realize radial seal by combined seal ring between switching valve left end cap and right end cap.Switching valve housing and left cylinder and right cylinder body carry out end face seal with O RunddichtringO respectively.Automatic reversing mechanism water outlet T1 with T2 is communicated with backwater mouth T.Switching valve S2 mouth communicates with hydraulicchange-over valve core chamber, left side, and switching valve S1 mouth communicates with hydraulicchange-over valve core chamber, right side, connects respectively with titanium alloy tube.Hydraulicchange-over valve core is equipped with stage clip respectively, hydraulicchange-over valve core end cap fixer brake control valve core, and realizes end face seal with left and right cylinder end caps by O RunddichtringO respectively.Hydraulicchange-over valve core end cap opening is communicated with backwater mouth T.The voltage supply mouth of left and right cylinder end caps is communicated with switching valve low pressure port P respectively.
One-way valve CV1, CV2, CV3, CV4, CV5, CV6, CV7, CV8, select proof to external pressure structure, adopts Stainless steel 316 L material.
Hydraulicchange-over valve core one end is that cylinder type and cylinder end caps carry out radial seal, when spool action, realizes axial motive sealing.The hydraulicchange-over valve core the other end is tri-prism, coordinates, have leading role with hydraulicchange-over valve core end cap opening, and ensures liquid communication.Spool main paragraph two ends are conical surface, form cone seal respectively with hydraulicchange-over valve core end cap and cylinder end caps.
Stage clip material is Stainless steel 316 L.
Switch the sealed section that communicates with switching valve S2 mouth and switching valve S1 mouth of spool to amass diameter and be less than spool and commutate body seal sectional area diameter, reduce driving commutate needed for flow.
Claims (3)
1. can be applicable to an automatic reverse seawater boost device for abyssal environment, it is characterized in that: comprise switching valve, hydraulicchange-over valve, switching valve is arranged on hydraulicchange-over valve, switching valve comprises switching valve housing and is arranged on the switching valve spool in switching valve housing, switching valve housing is arranged the first water outlet, the second water outlet and switching valve low tension outlet, first water outlet is all communicated with backwater mouth with the second water outlet, switching valve low tension outlet is communicated with switching valve low pressure port, and switching valve spool arranges the first switching valve outlet and the outlet of the second switching valve, hydraulicchange-over valve comprises left cylinder, right cylinder body, left cylinder end cap, right cylinder end caps, cylinder is takeed on, plunger rod, left piston, right piston, left hydraulicchange-over valve core, right hydraulicchange-over valve core, cylinder shoulder is arranged between left cylinder and right cylinder body, left cylinder cylinder cap is arranged on the end of left cylinder, right cylinder block and head is arranged on the end of right cylinder body, left piston is arranged in left cylinder, right piston is arranged in right cylinder body, plunger rod is takeed on through cylinder and is arranged on left piston and right piston, the first low-pressure cavity is formed between left cylinder cylinder cap and left piston, the first hyperbaric chamber is formed between left piston and cylinder shoulder, the second low-pressure cavity is formed between right cylinder block and head and right piston, the second hyperbaric chamber is formed between right piston and cylinder shoulder, hydraulicchange-over valve core left end cap is installed in left cylinder end cap end, hydraulicchange-over valve core left chamber is set in left cylinder end cap, left hydraulicchange-over valve core is arranged in the left chamber of hydraulicchange-over valve core, left cylinder end cap is arranged left voltage supply mouth, the outlet of left chamber, left voltage supply mouth is communicated with switching valve low pressure port, the outlet of left chamber is exported by pipeline connection second switching valve, hydraulicchange-over valve core left end cap arranges left end cap opening, left end cap open communication backwater mouth, hydraulicchange-over valve core right end cap is installed in right cylinder end caps end, the right chamber of hydraulicchange-over valve core is set in right cylinder end caps, right hydraulicchange-over valve core is arranged in the right chamber of hydraulicchange-over valve core, right cylinder end caps is arranged right voltage supply mouth, the outlet of right chamber, right voltage supply mouth is communicated with switching valve low pressure port, the outlet of right chamber is exported by pipeline connection first switching valve, hydraulicchange-over valve core right end cap arranges right end cap opening, right end cap open communication backwater mouth.
2. a kind of automatic reverse seawater boost device that can be applicable to abyssal environment according to claim 1; it is characterized in that: left hydraulicchange-over valve core one end is that cylinder type and left cylinder end cap carry out radial seal; the left hydraulicchange-over valve core the other end is the tri-prism with leading role; coordinate with left end cap opening, right hydraulicchange-over valve core is identical with left hydraulicchange-over valve cored structure.
3. a kind of automatic reverse seawater boost device that can be applicable to abyssal environment according to claim 1 and 2, is characterized in that: the sectional area diameter of the first switching valve outlet and the outlet of the second switching valve is less than switching valve spool sectional area diameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510319600.9A CN104912855B (en) | 2015-06-11 | 2015-06-11 | A kind of automatic reverse seawater boost device that can be applicable to abyssal environment |
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| CN201510319600.9A CN104912855B (en) | 2015-06-11 | 2015-06-11 | A kind of automatic reverse seawater boost device that can be applicable to abyssal environment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457929A (en) * | 2018-03-30 | 2018-08-28 | 重庆维庆液压机械有限公司 | A kind of hydraulic control device |
| CN108612684A (en) * | 2018-06-29 | 2018-10-02 | 中国矿业大学(北京) | It is a kind of to automatically switch continuous fluid injection supercharging device |
| CN109185239A (en) * | 2018-09-10 | 2019-01-11 | 深圳市中粤海洋能源科技有限公司 | A kind of tidal power generation pressure charging system |
| CN110573750A (en) * | 2017-04-28 | 2019-12-13 | Smc 株式会社 | Supercharging device and cylinder device provided with same |
| CN112178006A (en) * | 2020-08-21 | 2021-01-05 | 合肥长源液压股份有限公司 | Automatic reversing hydraulic cylinder |
| CN112879366A (en) * | 2020-12-31 | 2021-06-01 | 华中科技大学 | Multifunctional full-sea-depth electric control integrated valve set |
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| DE102007017665A1 (en) * | 2007-04-14 | 2008-10-16 | Uwe Hammer | Hydraulic pressure intensifier for machine tool has a second switch valve located between a first selector valve and a low-pressure cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110573750A (en) * | 2017-04-28 | 2019-12-13 | Smc 株式会社 | Supercharging device and cylinder device provided with same |
| US11143175B2 (en) | 2017-04-28 | 2021-10-12 | Smc Corporation | Pressure booster and cylinder apparatus provided with same |
| CN108457929A (en) * | 2018-03-30 | 2018-08-28 | 重庆维庆液压机械有限公司 | A kind of hydraulic control device |
| CN108612684A (en) * | 2018-06-29 | 2018-10-02 | 中国矿业大学(北京) | It is a kind of to automatically switch continuous fluid injection supercharging device |
| CN109185239A (en) * | 2018-09-10 | 2019-01-11 | 深圳市中粤海洋能源科技有限公司 | A kind of tidal power generation pressure charging system |
| CN112178006A (en) * | 2020-08-21 | 2021-01-05 | 合肥长源液压股份有限公司 | Automatic reversing hydraulic cylinder |
| CN112879366A (en) * | 2020-12-31 | 2021-06-01 | 华中科技大学 | Multifunctional full-sea-depth electric control integrated valve set |
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