CN105952607B - A kind of Large flow pump of hydraulic-driven - Google Patents
A kind of Large flow pump of hydraulic-driven Download PDFInfo
- Publication number
- CN105952607B CN105952607B CN201610332071.0A CN201610332071A CN105952607B CN 105952607 B CN105952607 B CN 105952607B CN 201610332071 A CN201610332071 A CN 201610332071A CN 105952607 B CN105952607 B CN 105952607B
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- Prior art keywords
- hydraulic cylinder
- hydraulic
- pump
- cylinder
- fluid
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
- F04B9/103—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber
- F04B9/105—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting liquid motor
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
Abstract
The invention discloses a kind of Large flow pump of hydraulic-driven, including fluid end, power end and support component three parts, the fluid end is a single-cylinder double-acting pump, the power end is a two-way ram cylinder, the power end includes the hydraulic cylinder being sequentially connected, reversal valve, servo flow speed control valve, hydraulic pump and fuel tank, connecting line between the servo flow speed control valve and hydraulic pump is also connected with a safety valve, the piston rod of the hydraulic cylinder and the metering sucker rod of fluid end are connected so that hydraulic cylinder is synchronized with the movement with fluid end by positive coupling, the fluid end is each attached in support component with power end.The present invention realizes the continuous suction of liquid with hydraulic system direct drive fluid end, and meeting existing process industrial needs wide range of traffic adjust and convey the needs of liquid, and measuring accuracy is high and conveniently, and can realize that real-time traffic is adjusted, control metered rate.
Description
Technical field
The invention belongs to fluid machinery technical field, concretely relate to one kind be hydraulically operated, the adjustable stream of flow
Measuring pump is measured, output flow can be adjusted in real time, draining flow adjustable range is big, suitable for the pipeline that discharge pressure is high, flow is big
System.
Background technology
Pump belongs to a kind of fluid machinery, is the important component of process industrial flow.In many process industrial productions
In, raw material, semi-finished product and product are liquid, and in order to ensure successional pipeline metaplasia production, pump carries as the energy of production
For equipment and the conveying equipment of substance circulating, liquid is pressurized and conveyed.In addition, the production of pipeline metaplasia is also usually according to the tune of flow
Save to change such as temperature, pressure technological parameter, such as not additionally mounted regulating valve, pump should also have the function of control flow concurrently.
To solve two requirements of flow control and conveying, measuring pump should be used.Due to measuring principle, power transmission and structure
On limitation, existing piston type metering pump can not meet there is small due to draining flow adjustable range big flow convey liquid
Requirement and being difficult to the problem of realizing real-time traffic regulation.
The content of the invention
The goal of the invention of the present invention is:For above-mentioned problem, there is provided a kind of Large flow of hydraulic-driven
Pump, solve the problems, such as that existing measuring pump can be only applied to low discharge, had a wide range of applications in high parameter process industrial.
The technical solution adopted by the present invention is such:
A kind of Large flow pump of hydraulic-driven, including fluid end, power end and support component three parts, the fluid power
It is a two-way ram cylinder to hold as a single-cylinder double-acting pump, the power end, and the power end includes the liquid being sequentially connected
Cylinder pressure, reversal valve, servo flow speed control valve, hydraulic pump and fuel tank, connecting line between the servo flow speed control valve and hydraulic pump also with
The connection of one safety valve, the piston rod of the hydraulic cylinder and the metering sucker rod of fluid end by positive coupling connection so as to
So that hydraulic cylinder is synchronized with the movement with fluid end, the fluid end is each attached in support component with power end.
In above-mentioned technical proposal, power end uses hydraulic drive, and driving force is big, can meet the metering of high-pressure high-flow liquid
It is required that;And the piston rod of power end and fluid end is connected by a positive coupling, the motion synchronicity of two-piston bar is good, liquid
Power end discharge capacity and the displacement of power end hydraulic cylinder piston are in strict proportionate relationship, and control power end hydraulic cylinder piston displacement then can be real
The real time measure of existing fluid end, and measuring accuracy is high.When fluid end works, power end hydraulic system driving hydraulic cylinder piston carrys out band
The piston of dynamic fluid end does bilateral reciprocation, completes " left to inhale right row, right suction left bank " continuous suction process.Servo flow speed control valve leads to
Cross its opening degree and can control the reciprocating speed of piston in hydraulic cylinder, to realize the control to metered rate.
Preferably, the fluid end includes the metering sucker rod of metering pump cylinder and its inside, metering pump piston, work
Axially position part is filled in, the metering pump cylinder left end is provided with fluid proportion plate and measuring pump left end cap, is provided with measuring pump left end cap
Left feed liquor check valve and left bank the liquid check valve connected with cylinder interior, the metering pump cylinder right-hand member are provided with measuring pump right-hand member
Cover, the right feed liquor check valve connected with cylinder interior and right discharge opeing check valve, the left feed liquor are installed on measuring pump right end cap
Check valve and right feed liquor check valve connect with the feed tube on fluid proportion plate jointly, the left bank liquid check valve and right discharge opeing check valve
Connected jointly with the discharging tube on fluid proportion plate.
Preferably, a flow stabilization apparatus is also installed on the discharging tube.Flow stabilization apparatus can be effectively reduced and changed
To caused flow pulsation.
Preferably, the hydraulic cylinder includes the hydraulic cylinder piston rod, hydraulic cylinder piston, work of hydraulic cylinder body and its inside
Axially position part is filled in, the hydraulic cylinder body left end is provided with hydraulic cylinder left end cap, and hydraulic cylinder left end cap is provided with hydraulic cylinder hydraulic fluid port
A, the hydraulic cylinder body right-hand member are provided with hydraulic cylinder right end cap, and hydraulic cylinder right end cap is provided with hydraulic cylinder hydraulic fluid port B.
Preferably, also including detection control apparatus, the detection control apparatus includes location sensitive switch, a position
Displacement sensor and a data acquisition control device, the location sensitive switch and displacement transducer are arranged on hydraulic cylinder, and
It is connected with data acquisition control device, the data acquisition control device is connected with hydraulic pump.Piston in hydraulic cylinder moves back and forth
Total displacement measured by location sensitive switch and displacement transducer, measurement accuracy is high, easy to control, it is easy to accomplish output
The accurate control of amount of liquid, meets high-precision measuring needs.
Preferably, the support component includes pedestal, workbench, hydraulic cylinder support member and measuring pump support member, it is described
Workbench is on pedestal, and the hydraulic cylinder is fixed on the table by hydraulic cylinder support member, and the fluid end passes through measuring pump
Support member is fixed on the table.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows:Biography is instead of with hydraulic system
The toggle of system, the continuous suction that fluid end realizes liquid is directly driven by hydraulic system, meets existing process work
Industry needs wide range of traffic to adjust and conveys the needs of liquid;Measuring accuracy is high and conveniently, and can realize that real-time traffic is adjusted, control
Metered rate processed.
Brief description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is the C-C section views in Fig. 2.
Fig. 4 is hydraulic system principle figure of the present utility model.
Marked in figure:1 is feed tube, and 2 be left feed liquor check valve, and 3 be right feed liquor check valve, and 4 be discharging tube, and 5 be flow
Stabilising arrangement, 6 be fluid proportion plate, and 7 be measuring pump left end cap, and 8 be metering pump cylinder, and 9 be metering sucker rod, and 10 be that measuring pump is lived
Plug, 11 be piston axial direction keeper, and 12 be right discharge opeing check valve, and 13 be measuring pump right end cap, and 14 be right feed liquor check valve, and 15 are
Positive coupling, 16 be hydraulic cylinder left end cap, and 17 be hydraulic cylinder piston rod, and 18 be hydraulic cylinder body, and 19 be hydraulic cylinder piston, 20
It is seal for hydraulic cylinder right end cap, 21,22 be displacement transducer, and 23 be hydraulic cylinder hydraulic fluid port B, and 24 be hydraulic cylinder hydraulic fluid port A, and 25 are
Inductive switch, 26 be workbench, and 27 be pedestal, and 28 be hydraulic cylinder support member, and 29 be measuring pump support member, and 30 be hydraulic cylinder, 31
It is servo flow speed control valve for reversal valve, 32,33 be hydraulic pump, and 34 be fuel tank, and 35 be safety valve.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
Embodiment 1:
A kind of Large flow pump of hydraulic-driven, including fluid end, power end and support component three parts, the fluid power
It is a two-way ram cylinder to hold as a single-cylinder double-acting pump, the power end, and the power end includes the liquid being sequentially connected
Cylinder pressure 30, reversal valve 31, servo flow speed control valve 32, hydraulic pump 33 and fuel tank 34, between the servo flow speed control valve 32 and hydraulic pump 33
Connecting line be also connected with a safety valve 35, the piston rod 17 of the hydraulic cylinder 30 and the metering sucker rod 9 of fluid end
Connected by positive coupling 15 so that hydraulic cylinder 30 is synchronized with the movement with fluid end, the fluid end is fixed with power end
In support component.
The support component includes pedestal 27, workbench 26, hydraulic cylinder support member 28 and measuring pump support member 29, the work
Make platform 26 on pedestal 27, the hydraulic cylinder 30 is fixed on workbench 26 by hydraulic cylinder support member 28, and the fluid end leads to
Measuring pump support member 29 is crossed to be fixed on workbench 26.
The fluid end includes the metering sucker rod 9 of metering pump cylinder 8 and its inside, metering pump piston 10, piston shaft
To keeper 11, the metering left end of pump cylinder 8 is provided with fluid proportion plate 6 and measuring pump left end cap 7, is installed on measuring pump left end cap 7
There is left feed liquor check valve 2 and left bank the liquid check valve 3 connected with cylinder interior, the metering right-hand member of pump cylinder 8 is provided with measuring pump
Right end cap 13, the right feed liquor check valve 14 connected with cylinder interior and right discharge opeing check valve are installed on measuring pump right end cap 13
12, the left feed liquor check valve 2 and right feed liquor check valve 14 connect with the feed tube 1 on fluid proportion plate 6 jointly, the left bank liquid list
Connected jointly with the discharging tube 4 on fluid proportion plate 6 to valve 3 and right discharge opeing check valve 12.
The hydraulic cylinder 30 includes hydraulic cylinder body 18 and its internal hydraulic cylinder piston rod 17, hydraulic cylinder piston 19, lived
Axially position part 11 is filled in, the left end of hydraulic cylinder body 18 is provided with hydraulic cylinder left end cap 16, and hydraulic cylinder left end cap 16 is provided with liquid
Cylinder pressure hydraulic fluid port A24, the right-hand member of hydraulic cylinder body 18 are provided with hydraulic cylinder right end cap 20, and hydraulic cylinder right end cap 20 is provided with hydraulic cylinder
Hydraulic fluid port B23.
Embodiment 2:
A kind of Large flow pump of hydraulic-driven, including fluid end, power end and support component three parts, the fluid power
It is a two-way ram cylinder to hold as a single-cylinder double-acting pump, the power end, and the power end includes the liquid being sequentially connected
Cylinder pressure 30, reversal valve 31, servo flow speed control valve 32, hydraulic pump 33 and fuel tank 34, between the servo flow speed control valve 32 and hydraulic pump 33
Connecting line be also connected with a safety valve 35, the piston rod 17 of the hydraulic cylinder 30 and the metering sucker rod 9 of fluid end
Connected by positive coupling 15 so that hydraulic cylinder 30 is synchronized with the movement with fluid end, the fluid end is fixed with power end
In support component.
The support component includes pedestal 27, workbench 26, hydraulic cylinder support member 28 and measuring pump support member 29, the work
Make platform 26 on pedestal 27, the hydraulic cylinder 30 is fixed on workbench 26 by hydraulic cylinder support member 28, and the fluid end leads to
Measuring pump support member 29 is crossed to be fixed on workbench 26.
The fluid end includes the metering sucker rod 9 of metering pump cylinder 8 and its inside, metering pump piston 10, piston shaft
To keeper 11, the metering left end of pump cylinder 8 is provided with fluid proportion plate 6 and measuring pump left end cap 7, is installed on measuring pump left end cap 7
There is left feed liquor check valve 2 and left bank the liquid check valve 3 connected with cylinder interior, the metering right-hand member of pump cylinder 8 is provided with measuring pump
Right end cap 13, the right feed liquor check valve 14 connected with cylinder interior and right discharge opeing check valve are installed on measuring pump right end cap 13
12, the left feed liquor check valve 2 and right feed liquor check valve 14 connect with the feed tube 1 on fluid proportion plate 6 jointly, the left bank liquid list
Connected jointly with the discharging tube 4 on fluid proportion plate 6 to valve 3 and right discharge opeing check valve 12.
The hydraulic cylinder 30 includes hydraulic cylinder body 18 and its internal hydraulic cylinder piston rod 17, hydraulic cylinder piston 19, lived
Axially position part 11 is filled in, the left end of hydraulic cylinder body 18 is provided with hydraulic cylinder left end cap 16, and hydraulic cylinder left end cap 16 is provided with liquid
Cylinder pressure hydraulic fluid port A24, the right-hand member of hydraulic cylinder body 18 are provided with hydraulic cylinder right end cap 20, and hydraulic cylinder right end cap 20 is provided with hydraulic cylinder
Hydraulic fluid port B23.
Also include detection control apparatus, the detection control apparatus includes a location sensitive and switchs 25, displacement sensings
Device 22 and a data acquisition control device, the location sensitive switch 25 and displacement transducer 22 are arranged on hydraulic cylinder 30,
And be connected with data acquisition control device, the data acquisition control device is connected with hydraulic pump 33.
Embodiment 3:
A kind of Large flow pump of hydraulic-driven, including fluid end, power end and support component three parts, the fluid power
It is a two-way ram cylinder to hold as a single-cylinder double-acting pump, the power end, and the power end includes the liquid being sequentially connected
Cylinder pressure 30, reversal valve 31, servo flow speed control valve 32, hydraulic pump 33 and fuel tank 34, between the servo flow speed control valve 32 and hydraulic pump 33
Connecting line be also connected with a safety valve 35, the piston rod 17 of the hydraulic cylinder 30 and the metering sucker rod 9 of fluid end
Connected by positive coupling 15 so that hydraulic cylinder 30 is synchronized with the movement with fluid end, the fluid end is fixed with power end
In support component.
The support component includes pedestal 27, workbench 26, hydraulic cylinder support member 28 and measuring pump support member 29, the work
Make platform 26 on pedestal 27, the hydraulic cylinder 30 is fixed on workbench 26 by hydraulic cylinder support member 28, and the fluid end leads to
Measuring pump support member 29 is crossed to be fixed on workbench 26.
The fluid end includes the metering sucker rod 9 of metering pump cylinder 8 and its inside, metering pump piston 10, piston shaft
To keeper 11, the metering left end of pump cylinder 8 is provided with fluid proportion plate 6 and measuring pump left end cap 7, is installed on measuring pump left end cap 7
There is left feed liquor check valve 2 and left bank the liquid check valve 3 connected with cylinder interior, the metering right-hand member of pump cylinder 8 is provided with measuring pump
Right end cap 13, the right feed liquor check valve 14 connected with cylinder interior and right discharge opeing check valve are installed on measuring pump right end cap 13
12, the left feed liquor check valve 2 and right feed liquor check valve 14 connect with the feed tube 1 on fluid proportion plate 6 jointly, the left bank liquid list
Connected jointly with the discharging tube 4 on fluid proportion plate 6 to valve 3 and right discharge opeing check valve 12.
The hydraulic cylinder 30 includes hydraulic cylinder body 18 and its internal hydraulic cylinder piston rod 17, hydraulic cylinder piston 19, lived
Axially position part 11 is filled in, the left end of hydraulic cylinder body 18 is provided with hydraulic cylinder left end cap 16, and hydraulic cylinder left end cap 16 is provided with liquid
Cylinder pressure hydraulic fluid port A24, the right-hand member of hydraulic cylinder body 18 are provided with hydraulic cylinder right end cap 20, and hydraulic cylinder right end cap 20 is provided with hydraulic cylinder
Hydraulic fluid port B23.
Embodiment 4:
The present embodiment is most preferred embodiment of the present utility model.As shown in Figure 1,2,3, 4, a kind of big flow of hydraulic-driven
Measuring pump, including fluid end, power end and support component three parts, the fluid end are a single-cylinder double-acting pump, described dynamic
Power end is a two-way ram cylinder, and the power end includes hydraulic cylinder 30, reversal valve 31, the servo flow speed control valve being sequentially connected
32nd, hydraulic pump 33 and fuel tank 34, connecting line between the servo flow speed control valve 32 and hydraulic pump 33 also with a safety valve 35
Connection, the piston rod 17 of the hydraulic cylinder 30 be connected with the metering sucker rod 9 of fluid end by positive coupling 15 so that
Obtain hydraulic cylinder 30 to be synchronized with the movement with fluid end, the fluid end is each attached in support component with power end.
The support component includes pedestal 27, workbench 26, hydraulic cylinder support member 28 and measuring pump support member 29, the work
Make platform 26 on pedestal 27, the hydraulic cylinder 30 is fixed on workbench 26 by hydraulic cylinder support member 28, and the fluid end leads to
Measuring pump support member 29 is crossed to be fixed on workbench 26.
The fluid end includes the metering sucker rod 9 of metering pump cylinder 8 and its inside, metering pump piston 10, piston shaft
To keeper 11, the metering left end of pump cylinder 8 is provided with fluid proportion plate 6 and measuring pump left end cap 7, is installed on measuring pump left end cap 7
There is left feed liquor check valve 2 and left bank the liquid check valve 3 connected with cylinder interior, the metering right-hand member of pump cylinder 8 is provided with measuring pump
Right end cap 13, the right feed liquor check valve 14 connected with cylinder interior and right discharge opeing check valve are installed on measuring pump right end cap 13
12, the left feed liquor check valve 2 and right feed liquor check valve 14 connect with the feed tube 1 on fluid proportion plate 6 jointly, the left bank liquid list
Connected jointly with the discharging tube 4 on fluid proportion plate 6 to valve 3 and right discharge opeing check valve 12.
The hydraulic cylinder 30 includes hydraulic cylinder body 18 and its internal hydraulic cylinder piston rod 17, hydraulic cylinder piston 19, lived
Axially position part 11 is filled in, the left end of hydraulic cylinder body 18 is provided with hydraulic cylinder left end cap 16, and hydraulic cylinder left end cap 16 is provided with liquid
Cylinder pressure hydraulic fluid port A24, the right-hand member of hydraulic cylinder body 18 are provided with hydraulic cylinder right end cap 20, and hydraulic cylinder right end cap 20 is provided with hydraulic cylinder
Hydraulic fluid port B23.
One flow stabilization apparatus 5 is also installed on the discharging tube 4.
Operation principle of the present utility model:
When fluid end works, power end is moved by the driving measuring pump piston rod 9 of hydraulic cylinder piston rod 17 to realize liquid
Continuous suction.When measuring the drive metering pump piston 10 of sucker rod 9 to left movement, right feed liquor check valve 14 and left bank liquid list
Opened to valve 3, left feed liquor check valve 2 and right discharge opeing check valve 12 are closed, and liquid enters metering pump cylinder 8 by feed tube 1
Right chamber, the liquid of its left chamber are output in the pipe-line system being directly connected by discharging tube 4;When metering sucker rod 9
When drive metering pump piston 10 moves right, right feed liquor check valve 14 and left bank liquid check valve 3 is closed, the right He of feed liquor check valve 2
Left bank liquid check valve 12 is opened, and liquid enters the left chamber of metering pump cylinder 8 by feed tube 1, and the liquid of its right chamber passes through discharge opeing
Pipe 4 is output in the pipe-line system being directly connected.
In aforementioned four embodiment, throughout sealed using seal 21.Measure pump piston 10 and metering pumping cylinder
Between the inwall of body 8, between the inwall of hydraulic cylinder piston 19 and hydraulic cylinder body 18, hydraulic cylinder piston 19 and hydraulic cylinder piston rod
17 junctions are sealed using seal 21, prevent interior leakage.Measure sucker rod 10 and measuring pump left end cap 7, measuring pump right-hand member
Between lid 13, measure between pump cylinder 8 and measuring pump left end cap 7, measuring pump right end cap 13, hydraulic cylinder piston rod 17 and hydraulic cylinder
Between left end cap 16, hydraulic cylinder right end cap 20, between hydraulic cylinder body 18 and hydraulic cylinder left end cap 16, hydraulic cylinder right end cap 20,
Sealed using seal 21, prevent from leaking outside.
Claims (3)
- A kind of 1. Large flow pump of hydraulic-driven, it is characterised in that:Including fluid end, power end and support component three Point, the fluid end be a single-cylinder double-acting pump, and the power end is a two-way ram cylinder, the power end including according to The hydraulic cylinder of secondary connection(30), reversal valve(31), servo flow speed control valve(32), hydraulic pump(33)And fuel tank(34), the servo tune Fast valve(32)With hydraulic pump(33)Between connecting line also with a safety valve(35)Connection, the hydraulic cylinder(30)Piston Bar(17)With the metering sucker rod of fluid end(9)Pass through positive coupling(15)Connection is so that hydraulic cylinder(30)With fluid power End is synchronized with the movement, and the fluid end is each attached in support component with power end, and the fluid end includes metering pump cylinder(8)And Its internal metering sucker rod(9), metering pump piston(10), piston axial direction keeper(11), the metering pump cylinder(8)It is left End is provided with fluid proportion plate(6)With measuring pump left end cap(7), measuring pump left end cap(7)On the left side connected with cylinder interior be installed entered Liquid check valve(2)With left bank liquid check valve(3), the metering pump cylinder(8)Right-hand member is provided with measuring pump right end cap(13), measuring pump Right end cap(13)On the right feed liquor check valve connected with cylinder interior is installed(14)With right discharge opeing check valve(12), the left side is entered Liquid check valve(2)With right feed liquor check valve(14)Jointly and fluid proportion plate(6)On feed tube(1)Connection, the left bank liquid are unidirectional Valve(3)With right discharge opeing check valve(12)Jointly and fluid proportion plate(6)On discharging tube(4)Connection, the discharging tube(4)On also install One flow stabilization apparatus(5), in addition to detection control apparatus, the detection control apparatus includes a location sensitive and switchs (25), a displacement transducer(22)With a data acquisition control device, the location sensitive switch(25)And displacement sensing Device(22)Installed in hydraulic cylinder(30)On, and be connected with data acquisition control device, the data acquisition control device and hydraulic pressure Pump(33)Connection.
- A kind of 2. Large flow pump of hydraulic-driven according to claim 1, it is characterised in that:The hydraulic cylinder(30) Including hydraulic cylinder body(18)And its internal hydraulic cylinder piston rod(17), hydraulic cylinder piston(19), piston axial direction keeper (11), the hydraulic cylinder body(18)Left end is provided with hydraulic cylinder left end cap(16), hydraulic cylinder left end cap(16)It is provided with hydraulic cylinder Hydraulic fluid port A(24), the hydraulic cylinder body(18)Right-hand member is provided with hydraulic cylinder right end cap(20), hydraulic cylinder right end cap(20)It is provided with liquid Cylinder pressure hydraulic fluid port B(23).
- A kind of 3. Large flow pump of hydraulic-driven according to claim 1, it is characterised in that:The support component bag Include pedestal(27), workbench(26), hydraulic cylinder support member(28)With measuring pump support member(29), the workbench(26)In pedestal (27)On, the hydraulic cylinder(30)Pass through hydraulic cylinder support member(28)It is fixed on workbench(26)On, the fluid end passes through meter Measure pump support member(29)It is fixed on workbench(26)On.
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CN201610332071.0A CN105952607B (en) | 2016-05-19 | 2016-05-19 | A kind of Large flow pump of hydraulic-driven |
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CN201610332071.0A CN105952607B (en) | 2016-05-19 | 2016-05-19 | A kind of Large flow pump of hydraulic-driven |
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CN105952607B true CN105952607B (en) | 2018-03-13 |
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CN109044672B (en) * | 2018-08-26 | 2021-03-16 | 张惠丽 | Hydraulic water cylinder quick retraction piston rod mechanism for automatic defecation assisting bedpan |
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IT1227502B (en) * | 1988-12-06 | 1991-04-12 | Alberto Giordani | VOLUMETRIC PUMP FOR THE PUMPING OF FOOD LIQUIDS IN GENERAL AND, IN PARTICULAR, FOR USE IN THE OENOLOGICAL FIELD |
CN1026147C (en) * | 1992-07-31 | 1994-10-05 | 天津理工学院 | Sungle-cylinder, double-action type hydraulic slurry pump |
CN2150355Y (en) * | 1993-01-05 | 1993-12-22 | 长沙矿山研究院 | Hydraulic double-acting supercharger |
US20140334947A1 (en) * | 2013-05-10 | 2014-11-13 | Caterpillar Inc. | Fluid pump system |
CN203627118U (en) * | 2013-11-08 | 2014-06-04 | 中国石油天然气股份有限公司 | Continuous oily sludge conveying device for single-cylinder bidirectional piston pump |
CN104358667A (en) * | 2014-11-13 | 2015-02-18 | 云刀水射流技术(上海)有限公司 | High-pressure cylinder |
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