CN107246416A - A kind of full-automatic reverse booster and its control system and control method - Google Patents
A kind of full-automatic reverse booster and its control system and control method Download PDFInfo
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- CN107246416A CN107246416A CN201710325245.5A CN201710325245A CN107246416A CN 107246416 A CN107246416 A CN 107246416A CN 201710325245 A CN201710325245 A CN 201710325245A CN 107246416 A CN107246416 A CN 107246416A
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Classifications
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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
Abstract
The present invention relates to booster arrangement technical field, disclose a kind of full-automatic reverse booster and control system and control method, including low pressure cylinder body (1) and the low pressure chamber (2) being located in low pressure cylinder body (1), the low-pressure piston (3) moved left and right in low pressure chamber (2) is provided with low pressure chamber (2), the side wall of low pressure cylinder body (1) is provided with the first control mouth (4) and the second control mouth (5), first control mouth (4) and the second control mouth (5) are each provided at the middle part of low pressure cylinder body (1), low-pressure piston (3) is at the middle part of low pressure chamber (2), low-pressure piston (3) props up the first control mouth (4) and the second control mouth (5).The present invention realizes the fully automatic hydraulic control commutation of booster, its compact conformation, it is easy to control and easy to maintenance；Automatic hydraulic control is realized, as long as pressure medium is uninterrupted, the pressure medium that booster alternately can be constantly pressurized, it is ensured that the comprehensive mechanical efficiency of complete machine.
Description
Technical field
The present invention relates to booster arrangement technical field, more particularly to a kind of full-automatic reverse booster and control system and
Control method.
Background technology
The characteristics of due to hydraulic intensifier is that principle is simple, and feature is strong, can be wanted for different working environment and function
Ask and be designed manufacture, so using than wide, depth is liked by hydraulic pressure professional designers.But its weakness is versatility
Difference, processing request is strict, it is not easy to produce in batches, is typically all used on special equipment.And need to have certain hydraulic pressure
Professional system knowledge frequently is designed, therefore its technical innovation and improvement also receive certain limitation.
The basic classification of booster：In the way of its power source, Pneumatic booster can be divided into and supercharging of surging；Machine is performed by it
Structure, single-acting cylinder and double acting cylinder；By its control mode, automatically controlled, Mechanical course can be divided into, vibration control, hydraulic control, due to
The classification of booster complicated classification unlike other Hydraulic Elements, so the monograph of research and development in this regard also compares
It is few, also remain traditional control mode substantially in design.
Common structure promotes small piston rod to act travel switch, to control reversal valve when piston reaches the limit of position
Liquid commutates, so that pressurized cylinder commutates, it is also the same when reverse.Designed mostly using this mode in present industry.That is machine
Tool feedback control type booster.But it is due to which processing is cumbersome, and valve piston adds the possibility of leakage, and
And there is the delayed phenomenon of commutating, usually damage travel switch, either by travel switch radially installed or it is axially mounted all
Exist the life-span it is not long the problem of.
The content of the invention
The present invention for commutate in the prior art the shortcomings of delayed, service life is short there is provided one kind commutation in time, use
The full-automatic reverse booster and its control system and control method of long lifespan.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
It is provided with full-automatic reverse booster, including low pressure cylinder body and the low pressure chamber being located in low pressure (LP) cylinder body, low pressure chamber
The low-pressure piston moved left and right in low pressure chamber, the side wall of low pressure cylinder body is provided with the first control mouth and the second control mouth, the first control
Donsole and the second control mouth are each provided at the middle part of low pressure cylinder body, and low-pressure piston is at the middle part of low pressure chamber, and low-pressure piston props up
One control mouth and the second control mouth.
Preferably, low pressure chamber includes being located at the low pressure left chamber in the left side of low-pressure piston and is located at low on the right side of low-pressure piston
The right-hand member for pressing the left end on right chamber, low pressure cylinder body to be provided with the left import communicated with low pressure left chamber, low pressure cylinder body is provided with and low pressure
The right import that right chamber is communicated.
Preferably, left import and right import are set in the same horizontal line, the first control mouth and the second control mouth are also provided in
In same horizontal line, left import and right import are located at the lower end of low pressure cylinder body, and the first control mouth and the second control mouth are located at low pressure
The upper end of cylinder body.
Preferably, the left and right sides of low pressure cylinder body is equipped with the high pressure cylinder body being connected with low pressure cylinder body, high pressure cylinder body bag
Include to be provided with high pressure left chamber, high pressure left chamber in left high pressure cylinder body and right high pressure cylinder body, left high pressure cylinder body and be provided with high pressure left chamber
High pressure is provided with the left end connection of the high pressure left piston bar moved left and right, high pressure left piston bar and low-pressure piston, right high pressure cylinder body
Provided with the high pressure right piston bar moved left and right in high pressure right chamber, high pressure right piston bar and low-pressure piston in right chamber, high pressure right chamber
Right-hand member connection.
Preferably, being provided with the first left passage and the first right passage, the left end and low pressure of the first left passage in low-pressure piston
Left chamber is communicated, and the right-hand member of the first right passage is communicated with low pressure right chamber, and the second left passage is provided with high pressure left piston bar, and second is left logical
The right-hand member in road is communicated with the right-hand member of the first left passage, and the second right passage, the left end of the second right passage are provided with high pressure right piston bar
Communicated with the left end of the first right passage.
Preferably, being equipped with high pressure check valve in the left end of high pressure left piston bar and in the right-hand member of high pressure right piston bar.
A kind of control system of full-automatic reverse booster, including above-described full-automatic reverse booster, including pressure
Power source device, the commutation valve group being connected with pressure source device, high pressure cylinder body, pressure source device connect with left import and right import respectively
Connect, reversal valve group is connected with the first control mouth and the second control mouth respectively, the end of high pressure cylinder body is provided with the first check valve and the
Two check valves, one end of the first check valve is connected with pressure source device, and the other end of the first check valve is connected with high pressure cylinder body, the
Two check valves are connected with high pressure cylinder body.
Preferably, the quantity of reversal valve is two in commutation valve group, reversal valve includes the first commutation valve group and second and changed
To valve.
A kind of control method of full-automatic reverse booster control system, is pressurized using a kind of full-automatic commutation described above
The control system of device, high pressure cylinder body includes being provided with high pressure left chamber, high pressure in left high pressure cylinder body and right high pressure cylinder body, left high pressure cylinder body
Provided with the high pressure left piston bar moved left and right in high pressure left chamber in left chamber, high pressure right chamber is provided with right high pressure cylinder body, high pressure is right
Intracavitary is provided with the high pressure right piston bar moved left and right in high pressure right chamber, in addition to following rate-determining steps, step 1, pressure source dress
Input pressure medium is put, pressure medium enters low pressure left chamber by left import, and low pressure right chamber is flowed back, low-pressure piston and high pressure
Right piston bar moves right, and high pressure left chamber enters medium by the first check valve, and high pressure right chamber obtains pressure medium and passes through second
Check valve and the medium of output in high pressure left chamber converge output.
Preferably, step 2, when low-pressure piston is moved to the right side of the first control mouth, pressure medium passes through the first control
Mouth enters on the right side of the first reversal valve, promotes the commutation of the first reversal valve, step 3, pressure medium enters second by control valve and changed
To the right side of valve, the commutation of the second reversal valve is promoted, pressure medium enters low pressure right chamber by right import, and low pressure left chamber starts back
Stream；Step 4, low-pressure piston and high pressure left piston bar are moved to the left, and high pressure right chamber enters medium by the first check valve, and high pressure is left
The pressure medium that chamber is obtained converges output by the medium exported in the second check valve and right side high pressure right chamber；Step 5, low pressure is worked as
When piston is moved to the left side of the second control mouth, pressure medium enters the left side of the first reversal valve by the second control mouth, promotes
First reversal valve commutates, and pressure medium enters the left side of the second reversal valve by control valve, promotes the commutation of the second reversal valve, makes
The pressure medium of pressure source device output is entered by low pressure left chamber, and low pressure right chamber is flowed back.
The present invention is as a result of above technical scheme, with significant technique effect：Compact conformation, good manufacturability, easily
In control and it is easy to maintenance；It is more advantageous under the less demanding and continuous supply operating mode of flow accuracy；Realize automatic hydraulic
Control, i.e., just circulate work always after cut-in pressure medium, until cut-out pressure medium, both ensure that commutation needs, and can protect
Demonstrate,proving the medium amount amount of main road will not continue to reduce, it is ensured that the comprehensive mechanical efficiency of complete machine.
Brief description of the drawings
Fig. 1 is the structure chart of the present invention.
Fig. 2 is the system construction drawing of the present invention.
The toponym that each number designation is referred in accompanying drawing is as follows：1-low pressure cylinder body, 2-low-pressure piston chamber, 3-it is low
Pressure piston, the 4-the first control mouth, the 5-the second control mouth, 6-low pressure left chamber, 7-piston right chamber, 8-left import, 9-right side are entered
Mouthful, 10-left high pressure cylinder body, 11-right high pressure cylinder body, 12-high pressure left piston rod cavity, 13-high pressure left piston bar, 14-high pressure
Right piston rod cavity, 15-high pressure right piston bar, the 16-the first left passage, the 17-the first right passage, the 18-the second left passage, 19-
It is second right passage, 20-high pressure check valve, 21-outlet, 22-pressure source device, 23-commutation valve group, 24-the first unidirectional
Valve, the 25-the second check valve, the 26-the first reversal valve, the 27-the second reversal valve, 28-sealing ring.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Full-automatic reverse booster, as depicted in figs. 1 and 2, including low pressure cylinder body 1 and the low pressure being located in low pressure cylinder body 1
Provided with the low-pressure piston 3 moved left and right in low pressure chamber 2 in chamber 2, low pressure chamber 2, the side wall of low pressure cylinder body 1 is provided with the first control
The control mouth 5 of mouth 4 and second, the first control mouth 4 and the second control mouth 5 are each provided at the middle part of low pressure cylinder body 1, and low-pressure piston 3 is low
When pressing the middle part of chamber 2, low-pressure piston 3 props up the first control mouth 4 and the second control mouth 5, and the two ends of low-pressure piston 3 are arranged with sealing
Circle 28, sealing ring 28 is located between low-pressure piston 3 and low pressure cylinder body 1..By extracting the pressure medium that system is used in itself,
Pressure medium is fluid or gas, and pressure medium is injected into the two ends of commutation valve group 23, makes it promote commutation valve group 23 to change
To, and once the action of commutation valve group 23 starts, and the pressure medium of the first control mouth 4 or the second control mouth 5 is also interrupted therewith, is changed
Just settled out to the valve element of valve group 23, booster begins to enter commutation stroke, so both ensure that commutation needs, and can protect
Demonstrate,proving the medium amount of main road will not continue to reduce, it is ensured that the comprehensive mechanical efficiency of complete machine.
Low pressure chamber 2 includes being located at the low pressure left chamber 6 in the left side of low-pressure piston 3 and is located at the low pressure right side on the right side of low-pressure piston 3
The right-hand member that left end on chamber 7, low pressure cylinder body 1 is provided with the left import 8 communicated with low pressure left chamber 6, low pressure cylinder body 1 is provided with and low pressure
The right import 9 that right chamber 7 is communicated.Pressure medium is entered in low pressure chamber 2 from left import 8 and right import 9, is set in the middle part of low pressure cylinder body
The first control mouth 4 and the second control mouth 5 have been put, has passed through moving left and right from the first control mouth 4 and the second control mouth for low-pressure piston 3
5 extract the control medium that commutation valve group 23 commutates, and simplify structure, the extraction of convenient control medium.
Left import 8 and right import 9 are set in the same horizontal line, and the first control mouth 4 and the second control mouth 5 are also provided in same water
On horizontal line, left import 8 and right import 9 are located at the lower end both sides of low pressure cylinder body 1, and the first control mouth 4 and the second control mouth 5 are located at low
The upper center of cylinder pressure body 1.When low-pressure piston 3 is moved left and right, pass through the first control in the state of making pressure of pressure medium larger
The control mouth 5 of donsole 4 or second, improves pressure medium by the first control mouth 4 and the speed of the second control mouth 5, improves booster and rings
The efficiency answered.
The left and right sides of low pressure cylinder body 1 is equipped with the high pressure cylinder body being connected with low pressure cylinder body 1, and high pressure cylinder body includes left high pressure
It is provided with high pressure left chamber 12, high pressure left chamber 12 and is provided with high pressure left chamber in cylinder body 10 and right high pressure cylinder body 11, left high pressure cylinder body 10
The high pressure left piston bar 13 moved left and right in 12, high pressure left piston bar 13 is connected with the left end of low-pressure piston 3, right high pressure cylinder body 11
It is interior to be provided with high pressure right chamber 14, high pressure right chamber 14 provided with the high pressure right piston bar 15 moved left and right in high pressure right chamber 14, high pressure
Right piston bar 15 is connected with the right-hand member of low-pressure piston 3, in low-pressure piston 3, while driving high pressure left piston bar 13 and high pressure right
Piston rod 15 is moved, it is ensured that the balance of pressure and stable work in booster.
The first right passage 17 of left passage 16 and first is provided with low-pressure piston 3, the left end and low pressure of the first left passage 16 are left
Chamber 6 is communicated, and the right-hand member of the first right passage 17 is communicated with low pressure right chamber 7, and the second left passage 18 is provided with high pressure left piston bar 13,
The right-hand member of second left passage 18 is communicated with the right-hand member of the first left passage 16, and the second right passage 19 is provided with high pressure right piston bar 15,
The left end of second right passage 19 is communicated with the left end of the first right passage 17.When low-pressure piston 3 is moved to the left, low pressure left chamber 6 is pressurized,
Pressure medium supercharging is discharged by the first left passage 16, the second left passage 18, outlet 21, it is ensured that situation of the pressure medium in supercharging
Discharged by left high pressure cylinder body 10 or right high pressure cylinder body 11 down, with high pressure right piston bar 15 in the left end of high pressure left piston bar 13
Right-hand member in be equipped with high pressure check valve 20, by set high pressure check valve 20, it is to avoid pressure medium flow back, improve pressure be situated between
Matter goes out the efficiency of medium, it is to avoid the medium in high pressure chest is flow backwards in stand in channel.
A kind of control system of full-automatic reverse booster, including above-described full-automatic reverse booster, including pressure
Power source device 22 and the commutation valve group 23 being connected with pressure source device 22, pressure source device 22 can be oil cylinder or cylinder, pressure
Power source device 22 is connected with left import 8 and right import 9 respectively, commutation valve group 23 respectively with the first control mouth 4 and the second control mouth
5 connections, the end of high pressure cylinder body is provided with the first check valve 24 and the second check valve 25, one end of the first check valve 24 and pressure
Source device 22 is connected, and the other end of the first check valve 24 is connected with high pressure cylinder body, and the second check valve 25 is connected with high pressure cylinder body.
The quantity of reversal valve is two in the valve group 23 that commutates, and commutation valve group 23 includes the first reversal valve 26 and the second reversal valve
27。
A kind of control method of full-automatic reverse booster control system, including above-described full-automatic reverse booster
With a kind of control system of full-automatic reverse booster, in addition to following rate-determining steps, step 1, the input pressure of pressure source device 22
Power media, pressure medium enters low pressure left chamber 6 by left import 8, and low pressure right chamber 7 is flowed back, low-pressure piston 3 and the right work of high pressure
Stopper rod 15 moves right, and high pressure left chamber 12 enters medium by the first check valve 24, and high pressure right chamber 14 obtains pressure medium and passed through
Second check valve 25 and the medium of output in high pressure left chamber 12 converge output.
Step 2, when low-pressure piston 3 is moved to the right side of the first control mouth 4, pressure medium is entered by the first control mouth 4
The right side of first reversal valve 26, promotes the first reversal valve 26 to commutate, step 3, pressure medium enters the second commutation by control valve
The right side of valve 27, promotes the second reversal valve 27 to commutate, pressure medium enters low pressure right chamber 7, low pressure left chamber 6 by right import 9
Start backflow；Step 4, low-pressure piston 3 and high pressure left piston bar 13 are moved to the left, and high pressure right chamber 14 is entered by the first check valve 24
Enter medium, the pressure medium that high pressure left chamber 12 is obtained passes through the second check valve 25 and the medium of output in right side high pressure right chamber 14
Converge output；Step 5, when low-pressure piston 3 is moved to the left side of the second control mouth 5, pressure medium passes through the second control mouth 5
Into the left side of the first reversal valve 26, the first reversal valve 26 is promoted to commutate, pressure medium enters the second commutation by control valve
The left side of valve 27, promotes the second reversal valve 27 to commutate, and the pressure medium that pressure source device 22 is exported is entered by low pressure left chamber 6,
Low pressure right chamber 7 is flowed back；Step 6, moved in circles successively according to step 1 to step 5.
In a word, presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent be the foregoing is only
Change and modification, should all belong to the covering scope of patent of the present invention.
Claims (10)
1. full-automatic reverse booster, it is characterised in that：Including low pressure cylinder body (1) and the low pressure chamber being located in low pressure cylinder body (1)
(2) low-pressure piston (3) moved left and right in low pressure chamber (2), is provided with low pressure chamber (2), the side wall of low pressure cylinder body (1) is provided with
First control mouth (4) and the second control mouth (5), the first control mouth (4) and the second control mouth (5) are each provided at low pressure cylinder body (1)
Middle part, low-pressure piston (3) is at the middle part of low pressure chamber (2), and low-pressure piston (3) props up the first control mouth (4) and the second control mouth
(5)。
2. full-automatic reverse booster according to claim 1, it is characterised in that：Low pressure chamber (2) includes being located at low pressure work
A left side on the low pressure right chamber (7) filled in the low pressure left chamber (6) in the left side of (3) and be located on the right side of low-pressure piston (3), low pressure cylinder body (1)
The right-hand member that end is provided with the left import (8) communicated with low pressure left chamber (6), low pressure cylinder body (1) is provided with what is communicated with low pressure right chamber (7)
Right import (9).
3. full-automatic reverse booster according to claim 2, it is characterised in that：Left import (8) and right import (9) are located at
In same horizontal line, the first control mouth (4) and the second control mouth (5) are also provided in same horizontal line, left import (8) and right import
(9) lower end of low pressure cylinder body (1) is located at, the first control mouth (4) and the second control mouth (5) are located at the upper end of low pressure cylinder body (1).
4. full-automatic reverse booster according to claim 1, it is characterised in that：The left and right sides of low pressure cylinder body (1) is equal
Provided with the high pressure cylinder body being connected with low pressure cylinder body (1), high pressure cylinder body includes left high pressure cylinder body (10) and right high pressure cylinder body (11), left
The height for being provided with and being moved left and right in high pressure left chamber (12) in high pressure left chamber (12), high pressure left chamber (12) is provided with high pressure cylinder body (10)
Left piston bar (13) is pressed, high pressure left piston bar (13) is connected with the left end of low-pressure piston (3), provided with height in right high pressure cylinder body (11)
Press the high pressure right piston bar (15) for being provided with and being moved left and right in high pressure right chamber (14) in right chamber (14), high pressure right chamber (14), high pressure
Right piston bar (15) is connected with the right-hand member of low-pressure piston (3).
5. full-automatic reverse booster according to claim 4, it is characterised in that：It is left provided with first in low-pressure piston (3)
Passage (16) and the first right passage (17), the left end of the first left passage (16) are communicated with low pressure left chamber (6), the first right passage (17)
Right-hand member communicated with low pressure right chamber (7), the second left passage (18) is provided with high pressure left piston bar (13), the second left passage (18)
Right-hand member is communicated with the right-hand member of the first left passage (16), and the second right passage (19) is provided with high pressure right piston bar (15), and second is right logical
The left end in road (19) is communicated with the left end of the first right passage (17).
6. full-automatic reverse booster according to claim 5, it is characterised in that：In the left end of high pressure left piston bar (13)
High pressure check valve (20) is equipped with the right-hand member of high pressure right piston bar (15).
7. the control system of full-automatic reverse booster, it is characterised in that：Including described in any one of Claims 2 or 3 it is complete from
Dynamic reverse booster, in addition to pressure source device (22), the commutation valve group (23) being connected with pressure source device (22), high pressure cylinder
Body, pressure source device (22) is connected with left import (8) and right import (9) respectively, commutation valve group (23) respectively with the first control mouth
(4) connected with the second control mouth (5), the end of high pressure cylinder body is provided with the first check valve (24) and the second check valve (25), first
One end of check valve (24) is connected with pressure source device (22), and the other end of the first check valve (24) is connected with high pressure cylinder body, the
Two check valves (25) are connected with high pressure cylinder body.
8. the control system of full-automatic reverse booster according to claim 7, it is characterised in that：In the valve group that commutates (23)
The quantity of reversal valve is two, and commutation valve group (23) includes the first reversal valve (26) and the second reversal valve (27).
9. a kind of control method of full-automatic reverse booster control system, it is characterised in that：Described in usage right requirement 7 or 8
A kind of full-automatic reverse booster control system, high pressure cylinder body include left high pressure cylinder body (10) and right high pressure cylinder body (11),
It is provided with left high pressure cylinder body (10) and is provided with what is moved left and right in high pressure left chamber (12) in high pressure left chamber (12), high pressure left chamber (12)
It is provided with high pressure left piston bar (13), right high pressure cylinder body (11) in high pressure right chamber (14), high pressure right chamber (14) and is provided with right in high pressure
The high pressure right piston bar (15) moved left and right in chamber (14), in addition to following rate-determining steps, step 1, pressure source device (22) are defeated
Enter pressure medium, pressure medium enters low pressure left chamber (6) by left import (8), and low pressure right chamber (7) is flowed back, low-pressure piston
(3) moved right with high pressure right piston bar (15), high pressure left chamber (12) enters medium, high pressure right chamber by the first check valve (24)
(14) obtain pressure medium and output is converged by the medium of output in the second check valve (25) and high pressure left chamber (12).
10. a kind of control method of full-automatic reverse booster control system according to claim 9, it is characterised in that：
Step 2, when low-pressure piston (3) is moved to the right side of the first control mouth (4), pressure medium enters by the first control mouth (4)
On the right side of one reversal valve (26), the first reversal valve (26) commutation is promoted, step 3, pressure medium enters second by control valve and changed
To the right side of valve (27), the second reversal valve (27) commutation is promoted, pressure medium enters low pressure right chamber (7) by right import (9),
Low pressure left chamber (6) starts backflow；Step 4, low-pressure piston (3) and high pressure left piston bar (13) are moved to the left, high pressure right chamber (14)
Medium is entered by the first check valve (24), the pressure medium that high pressure left chamber (12) is obtained passes through the second check valve (25) and right side
The medium of output converges output in high pressure right chamber (14)；Step 5, when low-pressure piston (3) is moved to the left side of the second control mouth (5)
When, pressure medium enters the left side of the first reversal valve (26) by the second control mouth (5), promotes the first reversal valve (26) commutation,
Pressure medium enters the left side of the second reversal valve (27) by control valve, promotes the second reversal valve (27) commutation, makes pressure source
The pressure medium of device (22) output is entered by low pressure left chamber (6), and low pressure right chamber (7) is flowed back.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710325245.5A CN107246416A (en) | 2017-05-10 | 2017-05-10 | A kind of full-automatic reverse booster and its control system and control method |
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| CN201710325245.5A CN107246416A (en) | 2017-05-10 | 2017-05-10 | A kind of full-automatic reverse booster and its control system and control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177990A (en) * | 2020-08-24 | 2021-01-05 | 中国石油化工集团有限公司 | Hydraulic control self-reversing gas pressure cylinder |
| CN113530781A (en) * | 2021-08-05 | 2021-10-22 | 长沙领英智造科技有限公司 | Ultrahigh pressure quick fluid filling machine |
| CN114458644A (en) * | 2021-11-04 | 2022-05-10 | 中国海洋石油集团有限公司 | Using method of energy-saving supercharger |
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| CN204003676U (en) * | 2014-07-17 | 2014-12-10 | 常州爱普超高压液压系统有限公司 | Pressurized machine surges |
| CN106481603A (en) * | 2015-08-24 | 2017-03-08 | 晋中浩普液压设备有限公司 | Twin-tub supertension automatic reciprocating booster |
| CN205895721U (en) * | 2016-06-27 | 2017-01-18 | 晋中浩普液压设备有限公司 | Reciprocal booster of much more single accuse conversion |
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| CN112177990A (en) * | 2020-08-24 | 2021-01-05 | 中国石油化工集团有限公司 | Hydraulic control self-reversing gas pressure cylinder |
| CN113530781A (en) * | 2021-08-05 | 2021-10-22 | 长沙领英智造科技有限公司 | Ultrahigh pressure quick fluid filling machine |
| CN114458644A (en) * | 2021-11-04 | 2022-05-10 | 中国海洋石油集团有限公司 | Using method of energy-saving supercharger |
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Application publication date: 20171013 |