CN104100581B - Pressurized cylinder and pressure testing supercharging device - Google Patents
Pressurized cylinder and pressure testing supercharging device Download PDFInfo
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- CN104100581B CN104100581B CN201410373341.3A CN201410373341A CN104100581B CN 104100581 B CN104100581 B CN 104100581B CN 201410373341 A CN201410373341 A CN 201410373341A CN 104100581 B CN104100581 B CN 104100581B
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Abstract
The invention discloses a kind of pressurized cylinder and supercharging device, which includes：Low pressure cylinder body, high pressure cylinder body, low pressure the cylinder piston, the first chamber and second chamber that are formed are limited by low pressure the cylinder piston and low pressure cylinder body respectively, the the first liquid in-out mouth and the second liquid in-out mouth being connected to respectively with first chamber and second chamber, by low pressure the cylinder piston, the outer wall and high pressure cylinder body of high the cylinder piston limit the third chamber to be formed, by the inner wall of the low pressure the cylinder piston, the inner wall and high pressure cylinder body of high pressure the cylinder piston limit the 4th chamber to be formed and the third liquid in-out mouth with the 4th chamber.Pressurized cylinder provided by the invention and pressure testing Quick pressurizing device may be implemented to realize the purpose for quickly playing pressure when pressure-bearing body carries out pressure testing, fast and safely obtain high-pressure liquid medium, pressure testing is greatly reduced and plays the pressure time.And the apparatus structure is simple, can be effectively prevented grease and mutually go here and there, and reduces pressurized cylinder height, and being capable of continuous work.
Description
Technical field
The present invention relates to a kind of pressurized cylinder more particularly to a kind of pressurized cylinders and pressure testing supercharging device.
Background technology
In petroleum chemical industry, it is often necessary to liquid medium to pipeline, pressure vessel, well control device, pit shaft and stratum
Deng progress pressure testing, judge whether its pressure-bearing and sealing performance are reliable with detection.Pressure testing at present mainly uses electric booster pump
Pressure-bearing body is pressurized with two kinds of equipment of Pneumatic booster pump, in such as drilling well of some industries, is pressurized with slush pump, but
All there is certain deficiency and limitations for these types of supercharging mode.If pneumatic pumpage is small, pressure is slow, noise is big, fragile,
It needs specially to be equipped with air source, electrodynamic pump inertia is big, and final pressure is difficult to control, and obtains relatively difficult wait of hyperpressure and (is more than
100MPa).So when traditional pressure testing mode cannot meet modern petrochemical industry to pressure-bearing body progress pressure testing (especially
It is hyperpressure experiment), rapidly and efficiently, accurate stable, automatically control requirement with safety and environmental protection etc..
Invention content
The purpose of the present invention is a kind of pressurized cylinder of design and pressure testing Quick pressurizing devices, may be implemented to be pressed in pressure-bearing body
It when power experiment, realizes the purpose for quickly playing pressure, fast and safely obtains high-pressure liquid medium, when pressure testing pressure is greatly reduced
Between.And the apparatus structure is simple, can be effectively prevented grease and mutually go here and there, and effectively reduces pressurized cylinder height, and can be continuous
Work.
For this purpose, the present invention uses following technical scheme：
A kind of pressurized cylinder, including：Low pressure cylinder body；High pressure cylinder body；Low pressure the cylinder piston；First chamber and second chamber, point
It is not limited and is formed with the low pressure cylinder body by the low pressure the cylinder piston；First liquid in-out mouth and the second liquid in-out mouth, setting exist
On the low pressure cylinder body, the first liquid in-out mouth is connected to the first chamber, the second liquid in-out mouth and described second
Chamber；High pressure the cylinder piston, the outer wall of the high pressure the cylinder piston are matched with the inner wall of the low pressure the cylinder piston；Third chamber
Room is limited and is formed by the low pressure the cylinder piston, the outer wall of the high pressure the cylinder piston and the high pressure cylinder body；4th chamber,
Limited by the inner wall of the low pressure the cylinder piston, the inner wall of the high pressure the cylinder piston and the high pressure cylinder body formed and third into
Liquid outlet is arranged on the high pressure cylinder body, with the 4th chamber.
Wherein, the pressurized cylinder further includes the check valve being connected with the third liquid in-out mouth.
Wherein, the pressurized cylinder further includes pressure sensor and check valve, is arranged on the pressurized cylinder.
The present invention also provides a kind of bidirectional booster cylinders, including：Cylinder body；Piston；Left chamber, by the cylinder body and the piston
Limitation is formed, and is arranged in the left side of the piston；Right chamber is limited with the piston by the cylinder body and is formed, and is arranged described
The right side of piston；Left inlet and outlet are connected to the left chamber, and right inlet and outlet are connected to the right chamber, left water cavity, by described
Cylinder body limits to be formed with the piston, is arranged in the left side of the piston；Right water cavity limits shape by the cylinder body and the piston
At being arranged on the right side of the piston；Left intake-outlet is connected to left water cavity；Right intake-outlet is connected to right water cavity.
The present invention also provides another bidirectional booster cylinders, including：Low pressure cylinder body；Low pressure the cylinder piston；Left high pressure cylinder body；Right height
Cylinder pressure body；Left high pressure the cylinder piston；Right high pressure the cylinder piston；Left chamber is limited with low pressure the cylinder piston by the low pressure cylinder body and is formed, if
It sets in the left side of the piston；Right chamber is limited with low pressure the cylinder piston by the low pressure cylinder body and is formed, is arranged in the piston
Right side；Left inlet and outlet are connected to the left chamber；Right inlet and outlet are connected to the right chamber, left water cavity, by the left high pressure
Cylinder body is limited and to be formed with the low pressure the cylinder piston and the left high pressure the cylinder piston, right water cavity, by the right high pressure cylinder body with it is described
Low pressure the cylinder piston and the right high pressure the cylinder piston system are formed；Left intake-outlet is connected to left water cavity；Right intake-outlet, with right water
Chamber is connected to；Left peep hole is limited by it by the low pressure the cylinder piston, the outer wall of the left high pressure the cylinder piston and the left high pressure cylinder body
System is formed and right peep hole, by it by the low pressure the cylinder piston, the outer wall of the right high pressure the cylinder piston and the right high pressure cylinder
Body limits to be formed.
Also a kind of supercharging device of the present invention, including：Foregoing pressurized cylinder；Hydraulic station is connect with institute pressurized cylinder, for institute
It states pressurized cylinder and low pressure source is provided；Executing agency is mounted on the pressurized cylinder, the action for controlling the pressurized cylinder,
And control system, it is separately connected with the hydraulic station and the executing agency, action for controlling executing agency and described
Hydraulic station.
Wherein, the hydraulic station includes fire-proof motor, high-pressure oil pump, oil-suction oil filter, unloading valve, air cleaner, overflows
Flow valve, liquid level gauge, return oil filter, fuel tank.
Wherein, the executing agency includes electro-hydraulic reversing valve, solenoid valve and pressure regulator valve.
Wherein, the control system includes control panel.
Description of the drawings
Fig. 1 is the pressurized cylinder structural schematic diagram according to first embodiment.
Fig. 2 is the bidirectional booster cylinder structure schematic diagram according to second embodiment.
Fig. 3 is the bidirectional booster cylinder structure schematic diagram according to 3rd embodiment.
Fig. 4 is the structural schematic diagram according to the pressure testing supercharging device of fourth embodiment.
Fig. 5 is the schematic diagram according to the hydraulic station of fourth embodiment
Fig. 6 is the schematic diagram according to the control panel of fourth embodiment
Fig. 7 is the monnolithic case schematic diagram according to the pressure testing supercharging device of fourth embodiment
Wherein, the reference numerals are as follows：
1, pressurized cylinder；1-1, first chamber；1-2, second chamber；1-3, third chamber；1-4, the 4th chamber；1-5, first
Liquid in-out mouth；1-6, the second liquid in-out mouth；1-7, third liquid in-out mouth；1-8, low pressure the cylinder piston；1-9, high pressure the cylinder piston；1-
10, low pressure cylinder body；1-11, high pressure cylinder body；
1 ', bidirectional booster cylinder；1-10 ', cylinder body；1-8 ', piston；1-2 ', left chamber；1-2 ' -1, right chamber；1-6 ', a left side
Inlet and outlet；1-6 ' -1, right inlet and outlet；1-4 ', left water cavity；1-4 ' -1, right water cavity；1-7 ', left intake-outlet；1-7 ' -1, it is right into
Water outlet；
1 ", bidirectional booster cylinder；1-10 ", low pressure cylinder body；1-8 ", low pressure the cylinder piston；1-11 ", left high pressure cylinder body；1-11″-
1, right high pressure cylinder body；1-9 ", left high pressure the cylinder piston；1-9 " -1, right high pressure the cylinder piston；1-2 ", left chamber；1-2 " -1, right chamber；
1-6 ", left inlet and outlet；1-6 " -1, right inlet and outlet；1-4 ", left water cavity；1-4 " -1, right water cavity；1-7 ", left intake-outlet；1-7″-
1, right intake-outlet；1-3 ", left peep hole；1-3 " -1, right peep hole；
2, check valve；3, pressure sensor；4, electro-hydraulic reversing valve；5, solenoid valve；6, pressure regulator valve；40, hydraulic station；7, explosion-proof
Motor；8, high-pressure oil pump；9, oil-suction oil filter；10, unloading valve；11, air cleaner；12, overflow valve；13, liquid level gauge；14、
Return oil filter；15, fuel tank；50, control panel；16, pressure gauge；17, low pressure button；18, high pressure button；19, reset button；
20, power knob；21, scram button；22, electric motor starting button；23, motor stop button；24, hydraulic cylinder is run；25, hydraulic pressure
Cylinder stops；26, button is unloaded；27, load button.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Embodiment one provides a kind of pressurized cylinder, and Fig. 1 is the pressurized cylinder structural schematic diagram of the present embodiment.As shown in Figure 1, the increasing
Cylinder pressure 1 includes low pressure cylinder body 1-10, high pressure cylinder body 1-11, low pressure the cylinder piston 1-8 and high pressure the cylinder piston 1-9.Wherein low pressure (LP) cylinder is lived
It fills in 1-8 and low pressure cylinder body 1-10 and forms two chambers, be first chamber 1-1 and second chamber 1-2 respectively.Here second chamber 1-
2 be pressurized cylinder upper oil cavitie, and first chamber 1-1 is pressurized cylinder lower oil cavitie.When carrying out supercharging work, in the different stages toward
Inject oil or other media in one chamber 1-1 or second chamber 1-2, or by oil or other media from first chamber 1-1 or the
Two chamber 1-2 discharges, since oil is most common medium, first chamber 1-1 and second chamber 1-2 are also referred to as being pressurized
The oil cylinder of cylinder 1.
The pressurized cylinder 1 further includes the first liquid in-out mouth 1-5 being arranged on the low pressure cylinder body 1-10, with first chamber
Room 1-1 is connected to, and oil or other media are input into first chamber 1-1 by the first liquid in-out mouth 1-5 or are arranged from first chamber 1-1
Go out；And the second liquid in-out mouth 1-6 being arranged on the low pressure cylinder body 1-10, be connected to the first chamber 1-2, oil or its
Its medium is input into second chamber 1-2 by the second liquid in-out mouth 1-6 or is discharged from second chamber 1-2.
In the pressurized cylinder 1, the design inlayed using low pressure (LP) cylinder and high pressure cylinder, the pressurized cylinder 1 further includes by the low pressure
The inner wall of the cylinder piston 1-8, the inner wall of the high pressure the cylinder piston 1-9 and the high pressure cylinder body 1-11 limit to form the 4th chamber 1-4.
With reference to figure 1, the outer wall of high pressure the cylinder piston 1-9 is matched with the inner wall of low pressure the cylinder piston 1-8, to by the low pressure the cylinder piston 1-
8 inner wall, the inner wall of the high pressure the cylinder piston 1-9 and the high pressure cylinder body 1-11 limit to form the 4th chamber 1-4, and in institute
Setting third liquid in-out mouth 1-7 on high pressure cylinder body 1-11 is stated, is connected to the 4th chamber 1-4.When carrying out supercharging work, water
It is inhaled into the 4th chamber 1-4 from third liquid in-out mouth 1-7, or is discharged as high-pressure medium use from the 4th chamber 1-4
In pressure testing.It uses water as high-pressure medium in embodiment, other fluid media (medium)s can also be used as high-pressure medium.It is using
In the case that water is as high-pressure medium, the 4th chamber 1-4 can also be referred to as water vat.
The pressurized cylinder 1 further includes by the low pressure the cylinder piston 1-8, the outer wall of the high pressure the cylinder piston 1-9 and the high pressure
Cylinder body 1-11 limits to form third chamber 1-3, and third chamber 1-3 may be used as the peep hole of pressurized cylinder 1, and can be effective
Ground has monitored whether the phenomenon that oil leak or leak.
The structure of the pressurized cylinder of embodiment 1 is described above.Next the application method of description pressurized cylinder 1.
When needing to carry out pressure testing, hydraulic oil is injected by the second liquid in-out mouth 1-6 if arriving second chamber 1-2 also
Be pressurized cylinder 1 upper oil cavitie in, push low pressure the cylinder piston 1-8 downlinks, at this time by the inner wall of low pressure the cylinder piston 1-8, the high pressure
The volume that the inner wall of the cylinder piston 1-9 and the high pressure cylinder body 1-11 limit the 4th chamber 1-4 i.e. water vat to be formed increases, water
(can also be other fluid media (medium)s) is inhaled by third liquid in-out mouth 1-7 in the 4th chamber 1-4, completes water absorption course.
Hydraulic oil is injected into the lower oil cavitie of first chamber 1-1 i.e. pressurized cylinder 1 later, pushes low pressure the cylinder piston 1-8 uplinks, it is right
Water in 4th chamber 1-4 is pressurized, and the high pressure water in the 4th chamber 1-4 is drained by third liquid in-out mouth 1-7 and is waited for
In the pressure-bearing body of pressure testing, you can carry out pressure testing to pressure-bearing body.
In the pressurized cylinder 1 of the present embodiment, using pascal's principle, the pressure ratio that pressurized cylinder 1 can be realized is high pressure cylinder
The area ratio up and down of piston and low pressure the cylinder piston, can be set as needed the pressure ratio of pressurized cylinder.
The pressurized cylinder 1 of embodiment can also include being arranged on pressurized cylinder 1, and be connected with third liquid in-out mouth 1-7
Check valve 2 (not shown in FIG. 1, to be shown in FIG. 2), leads to the check valve 2, and high pressure water can enter the pressure-bearing body for waiting for pressure testing
It is interior, and water can be sucked by check valve 2 from outside and be entered in the 4th chamber 1-4 when low pressure the cylinder piston 1-8 downlinks, it is real
Existing pressurized cylinder work pressure test is carried out continuously.
The pressurized cylinder 1 of embodiment can also include the pressure sensor 3 being arranged on the pressurized cylinder 1, defeated for showing
The pressure of the high pressure water gone out.
Pressurized cylinder 1 provided in this embodiment uses the inner wall phase of the outer wall and low pressure the cylinder piston 1-8 of high pressure the cylinder piston 1-9
Cooperation and the high pressure cylinder and low pressure (LP) cylinder realized inlay design, the height of pressurized cylinder can be reduced, by the low pressure the cylinder piston 1-
8, the outer wall of the high pressure the cylinder piston 1-9 and the high pressure cylinder body 1-11, which are limited, to form third chamber 1-3 and can effectively monitor
Whether there is the phenomenon that oil leak or leak, the grease in pressurized cylinder 1 is avoided mutually to go here and there.
Embodiment two
Embodiment two provides a kind of bidirectional booster cylinder structure, and Fig. 2 is to be shown according to the bidirectional booster cylinder structure of second embodiment
It is intended to.As shown in Fig. 2, the bidirectional booster cylinder 1 ' of the present embodiment includes piston 1-8 ', cylinder body 1-10 ', left chamber 1-2 ', right chamber
1-2 ' -1, left inlet and outlet 1-6 ', right inlet and outlet 1-6 ' -1, left water cavity 1-4 ', right water cavity 1-4 ' -1, left intake-outlet 1-7 ' and the right side
Intake-outlet 1-7 ' -1.
In normal circumstances, using hydraulic oil as pressurising medium, referred to here as left chamber 1-2 ' and right chamber 1-2 ' -1
For left oil pocket and right oil pocket, left inlet and outlet 1-6 ' and right inlet and outlet 1-6 ' -1 are left oil inlet and outlet and right oil inlet and outlet.It can also
Using other fluids other than hydraulic oil as pressurising medium.
The operation principle of the bidirectional booster cylinder structure of the present embodiment is as follows.
When hydraulic oil (being only a kind of citing) is injected into left chamber 1-2 ' from left inlet and outlet 1-6 ', the hydraulic oil of injection
It pushes piston 1-8 ' to move right, the water (can also be other fluid media (medium)s) in right water cavity 1-4 ' -1 is pressurized, high pressure
Water is discharged from right intake-outlet 1-7 ' -1；When hydraulic oil is applied to right chamber 1-2 ' -1 from right inlet and outlet 1-6 ' -1, promotion is lived
Plug 1-8 ' is moved downward, and is pressurized to the water in left water cavity 1-4 ', and high pressure water is from left intake-outlet 1-7 ' discharges.Such piston
Bilateral reciprocation realizes bidirectional booster.
The bidirectional booster structure that the present embodiment proposes has the advantages that efficient, pumping rate is fast, saves space.
Embodiment three
Embodiment three provides a kind of bidirectional booster cylinder structure, and Fig. 3 is to be shown according to the bidirectional booster cylinder structure of 3rd embodiment
It is intended to.As shown in figure 3, the pressurized cylinder 1 " including low pressure cylinder body 1-10 ", left high pressure cylinder body 1-11 ", right high pressure cylinder body 1-11 " -1,
Low pressure the cylinder piston 1-8 ", left high pressure the cylinder piston 1-9 " and right high pressure the cylinder piston 1-9 " -1.Wherein low pressure the cylinder piston 1-8 " and low pressure
Cylinder body 1-10 " forms two chambers, is left chamber 1-2 " and right chamber 1-2 " -1 respectively, for accommodating pressurising medium, usually
Hydraulic oil.Low pressure the cylinder piston 1-8 forms left water cavity 1-4 ", low pressure the cylinder piston 1-8 " and right high pressure " with left high pressure the cylinder piston 1-9 "
The cylinder piston 1-9 " -1 forms right water cavity 1-4 " -1.
The upper left inlet and outlet 1- being connect with left chamber 1-2 " of pressurized cylinder 1 " the further including being arranged in the low pressure cylinder body 1-10 "
6 ", with right chamber 1-2 " -1 right inlet and outlet 1-6 connecting " -1.
In normal circumstances, using hydraulic oil as pressurising medium, referred to here as left chamber 1-2 " and right chamber 1-2 " -1
For left oil pocket and right oil pocket, left inlet and outlet 1-6 " and right inlet and outlet 1-6 " -1 is left oil inlet and outlet and right oil inlet and outlet.It can also
Using other fluids other than hydraulic oil as pressurising medium.
Left intake-outlet 1-7 " on the pressurized cylinder 1 " further including being arranged in left high pressure cylinder body 1-11 ", with left water cavity 1-4 "
It is connected, is arranged in right high pressure cylinder body 1-11 " the right intake-outlet 1-7 on -1 " -1, is connected with right water cavity 1-4 " -1.
The pressurized cylinder 1 " further including by the low pressure the cylinder piston 1-8 ", the outer wall of the left high pressure the cylinder piston 1-9 " and described
Left high pressure cylinder body 1-11 " the left peep hole 1-3 that limitation is formed ", and lived by the low pressure the cylinder piston 1-8 ", the right high pressure cylinder
Fill in the right peep hole 1-3 " -1 that -1 limitations of 1-9 " -1 outer wall and the right high pressure cylinder body 1-11 " are formed, left peep hole and You Guan
Examining hole can effectively monitor whether have the phenomenon that oil leak or leak.
When needing to carry out pressure testing, when hydraulic oil is by left oil inlet and outlet 1-6 " being injected into left chamber 1-2 ", pushing low
Pressure cylinder piston 1-8 " moves right, and water pushes also from left intake-outlet 1-7 " by left water cavity 1-4 is injected " with oil together at this time
Low pressure the cylinder piston 1-8 " moves right, and is pressurized to the water in right water cavity 1-4 ' -1, and high pressure water after supercharged is from right Inlet and outlet water
Mouth 1-7 " -1 is discharged, you can carries out pressure testing to pressure-bearing body.When hydraulic oil is injected by right oil inlet and outlet 1-6 " -1
Right chamber 1-2 " pushes low pressure the cylinder piston 1-8 " to be moved to the left in -1, and water is also right by injection from right intake-outlet 1-7 " -1 at this time
Water cavity 1-4 " pushes low pressure the cylinder piston 1-8 " to be moved to the left together in -1, with oil, is pressurized to the water in left water cavity 1-4 ", high
Pressure water is discharged from left intake-outlet 1-7 ", you can carries out pressure testing to pressure-bearing body.Piston bilateral reciprocation realizes two-way increasing
Pressure.
The bidirectional booster structure that the present embodiment proposes has the advantages that efficient, pumping rate is fast, saves space, and ties
The advantages of having closed pressurized cylinder in implementation one, prevents grease from mutually going here and there.
Example IV
Example IV provides a kind of pressure testing supercharging device, and Fig. 5 is to be shown according to the supercharging device monnolithic case of fourth embodiment
It is intended to.As shown in figure 5, the pressure testing supercharging device includes pressurized cylinder 1, hydraulic station 40 and control panel 50.The pressure testing of the present embodiment
Supercharging device further includes the executing agency for the action for controlling pressurized cylinder 1.As shown in Fig. 2, the executing agency is arranged in pressurized cylinder 1
On, which includes electro-hydraulic reversing valve 4, solenoid valve 5 and pressure regulator valve 6.
There is pressurized cylinder 1 included by the pressure testing supercharging device of the present embodiment any embodiment in embodiment one to three to be carried
The supercharging cylinder structure of confession.
Hydraulic station 40 included by the pressure testing supercharging device of the present embodiment and institute pressurized cylinder 1 (or 1 ', 1 ") connect, it is described
Pressurized cylinder 1 provides low pressure source, and the structural schematic diagram of the hydraulic station 40 is as shown in figure 3, including fire-proof motor 7, high-pressure oil pump
8, oil-suction oil filter 9, unloading valve 10, air cleaner 11, overflow valve 12, liquid level gauge 13, return oil filter 14, fuel tank 15.It is anti-
Quick-fried motor 7 is mounted on high-pressure oil pump 8, and with high-pressure oil pump 8 together integral installation on fuel tank 11, air cleaner 11 and liquid
Position meter 13 is also mounted on fuel tank 15, and oil-suction oil filter 9 is mounted on 8 in-line of high-pressure oil pump, unloading valve 10 and overflow valve 12
On the vent line of high-pressure oil pump 8, return oil filter 14 is mounted on the oil return line of fuel tank 15.Air cleaner 11 is main
Air to entering fuel tank 15 is filtered, and liquid level gauge 13 shows oil mass in fuel tank 15, and return oil filter 14 is to returning to fuel tank 15
Hydraulic oil be filtered.
The pressure testing supercharging device of the present embodiment further includes control system, is distinguished with the hydraulic station 40 and the executing agency
Connection, the action for controlling executing agency and the hydraulic station 40.The control system of the present embodiment is by control as shown in Figure 4
Panel 50 realizes that control panel is made of various relays, control button and pressure gauge.Such as shown in Fig. 4, control panel 50
Including pressure gauge 16, low pressure button 17, high pressure button 18, reset button 19, power knob 20, scram button 21, electric motor starting
Button 22, motor stop button 23, hydraulic cylinder operation 24, hydraulic cylinder stop 25, unloading button 26 and load button 27.
The structure of the pressure testing supercharging device of embodiment is described above.Next with using the supercharging of embodiment one
The application method of pressure testing supercharging device is described for cylinder 1.
When carrying out pressure testing to pressure-bearing body, control panel power knob 20 is pressed, supercharging device is powered, and presses high pressure
Button 18 selects high pressure supercharging.Electric motor starting button 22 is pressed, fire-proof motor 7 and high-pressure oil pump 8 are started to work, and solenoid valve 5 is beaten
It opens, presses load button 27, hydraulic oil is sucked out from fuel tank 15 enters high-pressure oil pump 8 by oil-suction oil filter 9, and system starts to build
Pressure, presses hydraulic cylinder operation button 24, and hydraulic oil is injected into second chamber 1-2 namely by the second liquid in-out mouth 1-6
In the upper oil cavitie of pressurized cylinder 1, low pressure the cylinder piston 1-8 downlinks, pressurized cylinder 1 is pushed to enter water absorption course, passes through oil pump later and be pressurized
Hydraulic oil flows into the first chamber 1-1 of pressurized cylinder 1 i.e. the lower oil cavitie of pressurized cylinder 1 afterwards, low as hydraulic oil continues to flow into
Pressure cylinder piston 1-8 uplinks are pressurized the liquid in pressurized cylinder water cavity (namely the 4th chamber 1-4), by height after supercharged
Press liquid enters pressure part cavity by individual event valve 2 and pressure sensor 3, and carrying out pressure testing outlet pressure to pressure part is pressing
Power table 16 can be shown.Stroke is pressurized when one to terminate, when pressurized cylinder piston downlink, unloading valve 10 lays down 8 pipeline of high-pressure oil pump
Pressure avoids causing to impact to fire-proof motor 7.
When pressure part will carry out the experiment of lower pressure, low pressure button 17 is pressed, low-pressure charging can be selected, it is at this moment electric
Liquid reversal valve 4 acts, and high-pressure oil pump (8) output pressure inputs the first chamber 1-1 of pressurized cylinder 1 after pressure regulator valve (6) pressure regulation
Oil pressure namely in the lower oil cavitie of pressurized cylinder 1 reduces, and accordingly output hydraulic pressure also reduces pressurized cylinder 1.It is pressed when high-pressure oil pump 8 exports
When power is more than pipeline setting pressure, overflow valve 12 works, and ensures that output pressure is no more than setup pressure value.
Terminate when to pressure part pressure testing supercharging, presses control panel hydraulic cylinder stop button (25), then press reset successively
(19), (26), motor stopping (23) and power knob (20) are unloaded, pressurization terminates.Occur abnormal feelings during pressure testing
Condition can press scram button, and supercharging device acts stopping.
Start to prevent electric-motor pump band to carry, hydraulic station increases unloading valve 10, and when electric-motor pump dead electricity, system unloaded is gone forward side by side
People's low-pressure recirculation stage.When electric-motor pump is powered on, hydraulic station starts to build pressure, and when pressure reaches relief valve set pressure
When, hydraulic station release.
The output pressure of hydraulic station can be set by the pressure regulator valve 6 in executing agency.By on the control panel
High-low pressure selection is carried out, pressure regulator valve 6 can act, and hydraulic station output pressure be adjusted, so as to adjust the output of entire supercharging device
Pressure.
The final output pressure of supercharging device can be transferred to control by the pressure sensor 3 exported mounted on pressurized cylinder
It is directly displayed on the pressure gauge 16 of panel 50.
Whole system operation is carried out according to cycle：--- hydraulic pressure stands pressure --- supercharging --- hydraulic station pressure release for water suction.System
System can move back and forth according to cycle, export highly pressurised liquid according to pressurized cylinder setting volume every time.
In the case where certain Special fields can provide high-pressure source (such as situ of drilling well ground control unit can be with
Hydraulic power source in 35MPa is provided), when carrying out pressure testing to pressure part, the present invention can also remove hydraulic station part, equally may be used
To carry out pressure testing.
The beneficial effects of the invention are as follows：Rising the pressure time for pressure testing is carried out to pressure part first, being greatly improved, it is real
Quick-pressurizing purpose is showed.Second is that cleverly utilizing pascal's principle, high-pressure liquid medium is obtained by the hydraulic oil of low pressure, is carried
The high safety that pressure testing is carried out to high pressure pressure part.Three are that of avoiding that traditional supercharging equipment discharge capacity is small, plays that pressure is slow, makes an uproar
Sound is big, inertia is big, is difficult to obtain some disadvantages such as hyperpressure (being more than 100MPa).Fourth, apparatus structure is simple and convenient to operate,
Onsite application safety coefficient is high, is hardly damaged, is easy to maintenance.Fifth, automation control easy to implement and detection.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (9)
1. a kind of pressurized cylinder (1), including：
Low pressure cylinder body (1-10)；
High pressure cylinder body (1-11)；
Low pressure the cylinder piston (1-8)；
First chamber (1-1) and second chamber (1-2), respectively by the low pressure the cylinder piston (1-8) and the low pressure cylinder body (1-
10) limitation is formed, and the first chamber (1-1) and second chamber (1-2) exist independently of each other；
First liquid in-out mouth (1-6) and the second liquid in-out mouth (1-5) are arranged on the low pressure cylinder body (1-10), and described the
One liquid in-out mouth (1-5) is connected to the first chamber (1-1), the second liquid in-out mouth (1-6) and the second chamber (1-
2) it is connected to；
High pressure the cylinder piston (1-9), the outer wall of the high pressure the cylinder piston (1-9) and the inner wall of the low pressure the cylinder piston (1-8) match
It closes, for limiting out one the 4th chamber (1-4), inner wall of the 4th chamber (1-4) by the low pressure the cylinder piston (1-8), institute
The inner wall and the high pressure cylinder body (1-11) limitation for stating high pressure the cylinder piston (1-9) are formed；
Third chamber (1-3), by the low pressure the cylinder piston (1-8), the outer wall of the high pressure the cylinder piston (1-9) and the high pressure
Cylinder body (1-11) limitation is formed, and the third chamber (1-3) is used as the peep hole of the pressurized cylinder (1), has monitored whether oil leak
Or the phenomenon that leak；And
Third liquid in-out mouth (1-7) is arranged on the high pressure cylinder body (1-11), is connected to the 4th chamber (1-4).
2. pressurized cylinder as described in claim 1 further includes the check valve being connected with the third liquid in-out mouth (1-7).
3. pressurized cylinder as described in claim 1 further includes pressure sensor (3) and check valve (2), is arranged in the pressurized cylinder
(1) on.
4. a kind of bidirectional booster cylinder (1 "), including
Low pressure cylinder body (1-10 ")；
Low pressure the cylinder piston (1-8 ")；
Left high pressure cylinder body (1-11 ")；
Right high pressure cylinder body (1-11 " -1)；
Left high pressure the cylinder piston (1-9 ")；
Right high pressure the cylinder piston (1-9 " -1)；
Left chamber (1-2 ") is formed by the low pressure cylinder body (1-10 ") and low pressure the cylinder piston (1-8 ") limitation, is arranged in the work
Fill in the left side of (1-8 ")；
Right chamber (1-2 " -1) is formed by the low pressure cylinder body (1-10 ") and low pressure the cylinder piston (1-8 ") limitation, is arranged described
The right side of piston (1-8 ")；
Left inlet and outlet (1-6 "), are connected to the left chamber (1-2 ")；
Right inlet and outlet (1-6 " -1), are connected to the right chamber (1-2 " -1)；
Left water cavity (1-4 "), by the left high pressure cylinder body (1-11 ") and the low pressure the cylinder piston (1-8 ") and the left high pressure cylinder
Piston (1-9 ") limitation is formed, the inner wall phase of the outer wall and the low pressure the cylinder piston (1-8 ") of the left high pressure the cylinder piston (1-9 ")
Cooperation；
Right water cavity (1-4 " -1), by the right high pressure cylinder body (1-11 " -1) and the low pressure the cylinder piston (1-8 ") and the right height
Pressure cylinder piston (1-9 " -1) limitation is formed, the outer wall and the low pressure the cylinder piston (1-8 ") of the right high pressure the cylinder piston (1-9 " -1)
Inner wall match；
Left intake-outlet (1-7 ") is connected to the left water cavity (1-4 ")；
Right intake-outlet (1-7 " -1) is connected to the right water cavity (1-4 " -1)；
Left peep hole (1-3 "), by the low pressure the cylinder piston (1-8 "), the outer wall of the left high pressure the cylinder piston (1-9 ") and described
Left high pressure cylinder body (1-11 ") limitation is formed；And
Right peep hole (1-3 " -1), by the low pressure the cylinder piston (1-8 "), the right high pressure the cylinder piston (1-9 " -1) outer wall and
Right high pressure cylinder body (1-11 " -1) limitation is formed；
Wherein, low pressure the cylinder piston (1-8 ") bilateral reciprocation in pressurization realizes bidirectional booster.
5. bidirectional booster cylinder as claimed in claim 4 further includes and left intake-outlet (1-7 ', 1-7 ") and right intake-outlet
The check valve that (1-7 ' -1,1-7 " -1) is respectively connected with.
6. a kind of supercharging device, including：
Pressurized cylinder (1) as described in any in claim 1-5 or bidirectional booster cylinder (1 ")；
Hydraulic station (40) is connect with the pressurized cylinder (1,1 "), and low pressure source is provided for the pressurized cylinder (1,1 ")；
Executing agency is mounted on the pressurized cylinder (1,1 "), the action for controlling the pressurized cylinder (1,1 "), and
Control system is separately connected with the hydraulic station (40) and the executing agency, for control executing agency action and
The hydraulic station (40).
7. supercharging device as claimed in claim 6, wherein the hydraulic station includes fire-proof motor (7), high-pressure oil pump (8), inhales
Oily oil filter (9), unloading valve (10), air cleaner (11), overflow valve (12), liquid level gauge (13), return oil filter (14), oil
Case (15).
8. supercharging device as claimed in claim 6, wherein the executing agency include electro-hydraulic reversing valve (4), solenoid valve (5) and
Pressure regulator valve (6).
9. supercharging device as claimed in claim 6, wherein the control system includes control panel (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373341.3A CN104100581B (en) | 2014-07-31 | 2014-07-31 | Pressurized cylinder and pressure testing supercharging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373341.3A CN104100581B (en) | 2014-07-31 | 2014-07-31 | Pressurized cylinder and pressure testing supercharging device |
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| Publication Number | Publication Date |
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| CN104100581A CN104100581A (en) | 2014-10-15 |
| CN104100581B true CN104100581B (en) | 2018-08-28 |
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| CN201410373341.3A Expired - Fee Related CN104100581B (en) | 2014-07-31 | 2014-07-31 | Pressurized cylinder and pressure testing supercharging device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954111A (en) * | 2016-07-01 | 2016-09-21 | 中国重型机械研究院股份公司 | Multifunctional liquid pressurizing device |
| CN108223464A (en) * | 2017-01-16 | 2018-06-29 | 郑州大学 | A kind of reciprocal continuous pressurizing system of automatic pressure-maintaining |
| CN107831008B (en) * | 2017-12-14 | 2024-07-16 | 深圳市华迈环保有限公司 | Dynamic pressure tester for water purifier |
| CN109798269B (en) * | 2018-08-01 | 2020-10-09 | 中国石油天然气股份有限公司 | Supercharging device and pressure test system |
| CN109681480B (en) * | 2019-01-29 | 2024-01-23 | 中国重型机械研究院股份公司 | Supercharger and method for pipe end hydrostatic testing machine |
| CN114001064B (en) * | 2020-12-18 | 2024-04-05 | 北京鼎瑞通达轨道科技有限公司 | Bogie deflection detection cylinder |
| CN112727857B (en) * | 2020-12-29 | 2023-07-25 | 萨驰智能装备股份有限公司 | Hydraulic pressure booster system and tire vulcanizer |
| DE102021103035B3 (en) | 2021-02-09 | 2022-06-23 | Almouthana Almoukdad | DOUBLE CYLINDER WITH A PISTON MOVABLE IN THE DOUBLE CYLINDER, WHICH PISTON AND PISTON RODS ARE DESIGNED AS A CAVITY TO ACCEPT PRESSURE MEDIUM |
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| Publication number | Publication date |
|---|---|
| CN104100581A (en) | 2014-10-15 |
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