CN201739142U - High-pressure hose pump - Google Patents
High-pressure hose pump Download PDFInfo
- Publication number
- CN201739142U CN201739142U CN2010202887002U CN201020288700U CN201739142U CN 201739142 U CN201739142 U CN 201739142U CN 2010202887002 U CN2010202887002 U CN 2010202887002U CN 201020288700 U CN201020288700 U CN 201020288700U CN 201739142 U CN201739142 U CN 201739142U
- Authority
- CN
- China
- Prior art keywords
- pipe
- valve
- liquid
- flexible pipe
- pressure hose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 239000003921 oil Substances 0.000 claims abstract description 52
- 238000007599 discharging Methods 0.000 claims abstract description 36
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 14
- 239000002699 waste material Substances 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002572 peristaltic effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a high-pressure hose pump which comprises a hose cavity; a feed pipe and a discharge pipe are arranged on the hose cavity; a feed non-return valve is mounted on the feed pipe; a discharge non-return valve is mounted on the discharge pipe; a hose is mounted in the hose cavity and communicated with a liquor feeding pipe and a liquid discharging pipe respectively; the liquor feeding pipe and the liquid discharging pipe are communicated with a hydraulic oil tank respectively; a hydraulic pump and a liquid feeding valve are mounted on the liquor feeding pipe; a liquor discharging valve is mounted on the liquid discharging pipe; and the liquid feeding valve and the liquor discharging valve are connected with a controller through conducting wires respectively. The utility model has the benefits as follows: the hose is adopted to replace a diaphragm, thereby greatly improving the single conveying capacity, so that the high-pressure hose pump can be suitable for extra-large flow; an oil pump group is utilized to provide power directly, thereby reducing power loss and improving power transfer efficiency; the utility model adopts standard components which can be produced or purchased in batches, thereby reducing manufacturing and maintenance cost; and the high-pressure hose pump has simple and reasonable structure, low probability of being damaged, long service life and the like.
Description
Technical field
The utility model relates to liquid material feedway field, specifically is that a kind of fluid that is particularly suitable under high pressure carrying big flow, slurries, paste and other have the flowing medium high pressure hose pump of high abrasiveness and viscosity.
Background technique
At present, when under high pressure carrying the fluid, slurries, paste of big flow and other to have the flowing medium of high abrasiveness and viscosity, the device that adopts is a diaphragm pump mostly, its structure is to utilize piston cylinder to drive barrier film to move mostly, thereby realize the conveying of material, for example: the flexible pipe diaphragm pistonpump that German FELUWA company produces, it is by motor, drive bent axle, guide rod, crosshead by speed reducer, making rotatablely moves transfers straight line motion to, and guide rod promotes piston and moves back and forth in piston cylinder.Pistons reciprocating is pressed the hydraulic oil (hydraulic oil) in the certain volume amount driven plunger chamber, and hydraulic actuating fluid drives the barrier film in the diaphragm cavity more then.Driven hydraulic fluid (secondary hydraulic fluid) that reciprocating barrier film drives another side in the diaphragm cavity by the certain volume amount again this motion is passed to the flexible pipe that rises that contracts of pump by barrier film, the rise variation of volume generation certain volume amount of flexible pipe that making contracts.Just because of this easy motion of flexible pipe of rising that contracts, making contracts rises that soft intraluminal volume takes place to become big and the cubical content that dwindles changes, and the soft intraluminal material that rises of contracting is just transferred out successively, and this process is gone round and begun again along with each stroke.The diaphragm pump of this structure, there are a lot of problems in use, for example: 1, power equipment and transmission device cost height, in the existing diaphragm pump, speed reducer, crankcase, bent axle guide rod, piston guide rod, piston seal, piston/cylinder are arranged, if to pump duty regulate also need to increase frequency variator, these equipment accounted for pump total cost 70%; 2, the parts peculiar design that all is to use of above-mentioned power equipment and transmission device and making, design cost and manufacturing cost are all very high, and user's user cost is higher, in case break down inconvenient maintenance; 3, the manufacturing cycle is long; 4, drive mechanism complexity, power transfer efficiency is low, the energy loss height; 5, at piston diameter with form under the constant situation, the flow that improves pump if desired will increase stroke, thereby the wearing and tearing of each parts have been accelerated, the particularly wearing and tearing of one-way valve, barrier film. the life-span in working life is short, the maintenance cost height, and the restriction that is subjected to structure not too is fit to pump of doing especially big flow etc.
Summary of the invention
The purpose of this utility model is to provide this a kind of high pressure hose pump, can utilize directly oiling in the pump housing of high pressure oil pump, a large amount of employings standard parts and components, the manufacture cost and the operating cost of pump have been reduced, the conventional diaphragm pump of comparing employing hose construction, the single displacement volume of this pump improves greatly, can reduce the operating frequency of individual event valve, prolong the working life of individual event valve, improved working efficiency of the present utility model.
The utility model for achieving the above object, be achieved through the following technical solutions: a kind of high pressure hose pump, comprise the flexible pipe chamber, supply pipe and discharge nozzle are set on the flexible pipe chamber, be installed into the material individual event valve on the supply pipe, the discharging one-way valve is installed on the discharge nozzle, flexible pipe is installed in the flexible pipe chamber, flexible pipe is communicated with liquid inlet pipe and liquid-discharging tube respectively, liquid inlet pipe and liquid-discharging tube are communicated with hydraulic oil container respectively, oil hydraulic pump and liquid flowing valve are installed on the liquid inlet pipe, draining valve is installed on the liquid-discharging tube, liquid flowing valve is connected with controller by lead respectively with draining valve.
On the described liquid inlet pipe filter is installed.
On the described liquid inlet pipe accumulator is installed.
On the described liquid inlet pipe liquid return pipe is installed, the liquid return pipe the other end is communicated with hydraulic oil container, and relief valve is installed on the liquid return pipe.
On the described liquid inlet pipe pressurized machine is installed.
Oil quality monitor and pipeline switching valve are installed on the described liquid-discharging tube successively, the waste oil recovery tube is installed on the pipeline switching valve, the waste oil recovery tube is communicated with drain oil recovery equipment, and the oil quality monitor is connected with controller by lead respectively with the pipeline switching valve.
On the described flexible pipe relief tube is installed, relief tube is communicated with oil exit pipe, and pressure relief safety valve is installed on the relief tube.
On the described flexible pipe cavity wall inductor is installed.
Described inductor is a ring sensor, and flexible pipe passes ring sensor.
The beneficial effects of the utility model are: can solve the deficiency that exists in the known technology; Adopt flexible pipe to substitute barrier film, improved the single transmission capacity greatly, can accomplish capacity, under the total amount of working equally, reduced the operating frequency of individual event valve, prolonged the working life of individual event valve, can be fit to do the pump of especially big flow greater than 300 liters; Utilize the oil pump group that power directly is provided, need not to use traditional driving mechanisms such as speed reducer, crankcase, bent axle guide rod, piston guide rod, piston seal, piston/cylinder, simplified transmission device greatly, reduced kinetic equation loss, improved power transmission efficiency; The flexible pipe chamber is provided with inductor, can respond to flexible pipe and change, and controls oil extraction automatically, when breaking down, can prevent effectively that too high oil pressure from damaging flexible pipe; The utility model adopts standard parts and components, can produce in batches or purchase, and has reduced manufacture cost and maintenance cost; Simple for structure reasonable, not fragile, wait so long working life.
Description of drawings
Label shown in the accompanying drawing: 1, hydraulic oil container; 2, oil hydraulic pump; 3, relief valve; 4, liquid return pipe; 5, filter; 6, accumulator; 7, liquid inlet pipe; 8, pressurized machine; 11, drain oil recovery equipment; 13, waste oil recovery tube; 14, pipeline switching valve; 15, oil quality monitor; 16, liquid-discharging tube; 17, liquid flowing valve; 18, pressure relief safety valve; 19, draining valve; 20, discharging one-way valve; 28, flexible pipe chamber; 29, flexible pipe; 31, feed check valve; 32, slurry vessel; 34, supply pipe; 35, discharge nozzle; 36, relief tube; 37, inductor.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiments only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
A kind of high pressure hose pump described in the utility model, agent structure comprises flexible pipe chamber 28.Flexible pipe chamber 28 is communicated with respectively with supply pipe 34 and discharge nozzle 35, is installed into material individual event valve 31 on supply pipe 34, and discharging one-way valve 20 is installed on the discharge nozzle 35, and described feed check valve 31 guarantees that material can only flow in the flexible pipe chamber 28 from pump outer supply pipe 34; Described discharging one-way valve 20 guarantees that material can only be from the flexible pipe chamber outputs to outside the pump along discharge nozzle 35 in 28.Liquid inlet pipe 7 and liquid-discharging tube 16 are installed on the described flexible pipe chamber 28, and liquid inlet pipe 7 and liquid-discharging tube 16 are communicated with hydraulic oil container 1 respectively.Oil hydraulic pump 2 and liquid flowing valve 17 are installed on liquid inlet pipe 7, and described oil hydraulic pump 2 can be plunger pump, gear pump, vane pump, screw pump etc.,, increases work efficiency the oil pump group that described oil hydraulic pump 17 preferably is made up of many oil hydraulic pumps in order to increase pressure.Flexible pipe 29 is installed in the flexible pipe chamber 28, and flexible pipe 29 is communicated with liquid inlet pipe 7 and liquid-discharging tube 16 respectively.Described flexible pipe 29 is made for the flexible material that can expand, shrink, and flexible pipe 29 directly is communicated with liquid inlet pipe 7 and liquid-discharging tube 16, replaces existing membrane configuration, and the single displacement volume improves greatly.Described liquid flowing valve 17 can be controlled high-pressure and hydraulic oil and flow in the flexible pipe 29 by liquid inlet pipe 7.Draining valve 19 is installed on the described liquid-discharging tube 16, and the hydraulic oil that draining valve 19 can be controlled in the flexible pipe 29 is discharged along liquid-discharging tube 16.Liquid flowing valve 17 is connected with controller by lead respectively with draining valve 19, and controller is according to setting, and unification is controlled liquid flowing valve 17 and draining valve 19, realizes the work cycle of flexible pipe 29 interior oilings and oil extraction.
In order to prevent that oil pressure is too high in the flexible pipe 29, damage flexible pipe 29, relief tube 36 preferably is installed on flexible pipe 29, relief tube 36 is communicated with oil exit pipe 16, and pressure relief safety valve 18 is installed on the relief tube 36.Under the normal pressure, pressure relief safety valve 18 keeps closed conditions, and when flexible pipe 29 internal pressures surpass predefined value, pressure relief safety valve 18 is opened automatically, and hydraulic oil in the flexible pipe 29 are discharged, and reduces flexible pipe 29 internal pressures, stable, the safe operation of protection the utility model.
In the utility model, directly utilize oil hydraulic pump directly to flexible pipe 29 oilings, need not to use traditional driving mechanisms such as speed reducer, crankcase, bent axle guide rod, piston guide rod, piston seal, piston/cylinder, simplified transmission device greatly, reduced kinetic equation loss, power transmission efficiency is greatly improved.Adopt flexible pipe 29 structures to substitute original membrane configuration, the single displacement volume is greatly enhanced, and can realize the capacity greater than 300 liters, and high working efficiency is fit to do the pump of especially big flow.This design can also reduce the operating frequency of individual event valve, has prolonged the working life of individual event valve, reduces the utility model maintenance cost.In the utility model, also have a kind of embodiment, be about to flexible pipe 29 and be communicated with respectively with supply pipe 34 and discharge nozzle 35, flexible pipe chamber 28 respectively with liquid inlet pipe 7 and liquid-discharging tube 16, all the other structure the foregoing descriptions are identical.The present embodiment concrete structure, industry technician can know by inference according to the foregoing description, is not described in detail at this.
At the utility model, filter 5 is installed on liquid inlet pipe 7 preferably.Described filter 5 can filter hydraulic oil, prevents that wherein impurity damages flexible pipe 29, improves working life of the present utility model.
On the described liquid inlet pipe 7 accumulator 6 can be installed, accumulator 6 can play the effect of stablizing liquid inlet pipe 7 infusion pressures.Simultaneously, exist impurity to damage flexible pipe 29, a filter 5 can also be installed on the liquid inlet pipe 7 of accumulator 6 back again in order to prevent accumulator 6.
The further technical characteristics of the utility model is: liquid return pipe 4 is installed on the described liquid inlet pipe 7, and liquid return pipe 4 the other ends are communicated with hydraulic oil container 1, and relief valve 3 is installed on the liquid return pipe 4.Liquid inlet pipe 7 internal pressures just often, relief valve 3 cuts out; When the outlet pressure of oil hydraulic pump 2 surpassed setting value, relief valve 3 was opened, and part hydraulic oil is got back in the hydraulic oil container 1 by liquid return pipe 4, reaches the effect of overvoltage protection, prevents too high pressure damage peristaltic pump.
In above-mentioned each embodiment, if the required pressure of peristaltic pump is higher, for example, when discharge pressure when 10MP is above, in order to guarantee the pressure size of delivery hydraulic pressure oil, pressurized machine 8 is installed on liquid inlet pipe 7 preferably.During hydraulic oil process pressurized machine 8, can improve discharge pressure.The pipeline of described pressurized machine 8 is connected to known technology, is not described in detail at this.
Described hydraulic oil in use for some time, the problem that can occur going bad, or cause oil to pollute because of leaking in the flexible pipe.In order to prevent that underproof hydraulic oil from flowing back to hydraulic oil container 1, pollutes other hydraulic oil.Oil quality monitor 15 and pipeline switching valve 14 preferably are installed on liquid-discharging tube 16 successively, waste oil recovery tube 13 is installed on the pipeline switching valve 14, waste oil recovery tube 13 is communicated with drain oil recovery equipment 11, and oil quality monitor 15 is connected with controller by lead respectively with pipeline switching valve 14.Oil quality monitor 15 can carry out analysis and judgement to the hydraulic oil in the liquid-discharging tube 16, if qualified hydraulic oil, pipeline switching valve 14 is constant, keeps liquid-discharging tube 16 directly to be communicated with hydraulic pressure mailbox 1, and hydraulic oil is directly carried back hydraulic oil container 1; When hydraulic oil is defective hydraulic oil in oil quality monitor 15 detects liquid-discharging tube 16, oil quality monitor 15 sends signal to controller, controller pilot line switching valve 14 carries out pipeline and switches, be communicated with waste oil recovery tube 13, underproof hydraulic oil is transported in the drain oil recovery equipment 11 reclaims, thereby prevent effectively that underproof hydraulic oil from polluting and damage of the present utility model.
In the utility model,, inductor 37 is installed on 28 inwalls of described flexible pipe chamber preferably in order to realize the purpose of automatic drain and charging.In the use, material is discharged in flexible pipe 29 repairings expansion, when flexible pipe 29 outer walls are expanded to need oil extraction position, flexible pipe 29 touch sensors 37, inductor 37 is sensed the touching signal, and this signal is sent to controller, and controller is closed liquid flowing valve 17, open draining valve 19, under feed pressure, carry out discharge opeing.The described inductor 37 of present embodiment is preferably ring sensor, and flexible pipe 29 passes ring sensor.Described ring sensor is centered around around the flexible pipe 29, can accurately respond to the expansion situation of flexible pipe 29.Simultaneously, present embodiment can also play the effect of high voltage protective, realizes automatic oil draining, prevents that too high oil pressure from damaging flexible pipe 29.
The utility model in use, when needs in flexible pipe chamber 28 during conveying material, controller is closed liquid flowing valve 17, open draining valve 19, charging individual event valve 31 is opened under the effect of feed pressure, discharging one-way valve 20 is closed under pressure, material enters flexible pipe chamber 28, hydraulic oil in the flexible pipe 29 refluxes by liquid-discharging tube 16 under the pressure effect that flexible pipe 29 is subjected to, through oil quality monitoring device 15,15 pairs of oil of oil quality monitoring device detect, and qualified hydraulic oil is got back to hydraulic oil container 1 in order to using again; Underproof hydraulic oil flow is in drain oil recovery equipment 11; In flexible pipe chamber 28, be full of material, in the time of material need being transferred out by discharge nozzle 35, controller opens liquid flowing valve 17, close draining valve 19, high-pressure and hydraulic oil is transported in the flexible pipe 29, hydraulic oil squeezing tube 29, and discharging individual event valve 20 is extruded material and back down in flexible pipe 29 expansions, from discharge nozzle 35 outputs, finish a work cycle.In order to keep certain pressure to supply pipe 34, described slurry vessel 32 needs to keep must height.
In order to satisfy the demand of big flow mass transport, the utility model can be made up of many flexible pipes chamber, and as shown in Figure 2, this embodiment comprises two flexible pipe cavity configurations, and each flexible pipe chamber is communicated with slurry vessel 32 by supply pipe 34 respectively; Each flexible pipe chamber is communicated with pumping hole by discharge nozzle 35 respectively; Each flexible pipe chamber is respectively by independently liquid inlet pipe 7 and liquid-discharging tube 16 are communicated with hydraulic oil container 1; Independently liquid flowing valve 17 and draining valve 19 are set respectively on the liquid inlet pipe 7 in each flexible pipe chamber and the liquid-discharging tube 16.Liquid flowing valve 17 and draining valve 19 stagger the discharging time in each flexible pipe chamber by the controller centralized control mutually, thereby have reduced the outlet pressure fluctuation, reduce the pressure surge of slip output to greatest extent.The peristaltic pump in a plurality of flexible pipes chamber, its concrete structure, industry professional workforce can release according to content described in the utility model, no longer is repeated in this description at this.
Claims (9)
1. high pressure hose pump, it is characterized in that: comprise flexible pipe chamber (28), supply pipe (34) and discharge nozzle (35) are set on the flexible pipe chamber (28), be installed into material individual event valve (31) on the supply pipe (34), discharge nozzle (35) is gone up discharging one-way valve (20) is installed, flexible pipe (29) is installed in the flexible pipe chamber (28), flexible pipe (29) is communicated with liquid inlet pipe (7) and liquid-discharging tube (16) respectively, liquid inlet pipe (7) and liquid-discharging tube (16) are communicated with hydraulic oil container (1) respectively, liquid inlet pipe (7) is gone up oil hydraulic pump (2) and liquid flowing valve (17) is installed, liquid-discharging tube (16) is gone up draining valve (19) is installed, and liquid flowing valve (17) is connected with controller by lead respectively with draining valve (19).
2. a kind of high pressure hose pump according to claim 1 is characterized in that: liquid inlet pipe (7) is gone up filter (5) is installed.
3. a kind of high pressure hose pump according to claim 1 and 2 is characterized in that: liquid inlet pipe (7) is gone up accumulator (6) is installed.
4. a kind of high pressure hose pump according to claim 3 is characterized in that: liquid inlet pipe (7) is gone up liquid return pipe (4) is installed, and liquid return pipe (4) the other end is communicated with hydraulic oil container (1), and liquid return pipe (4) is gone up relief valve (3) is installed.
5. a kind of high pressure hose pump according to claim 4 is characterized in that: liquid inlet pipe (7) is gone up pressurized machine (8) is installed.
6. a kind of high pressure hose pump according to claim 1, it is characterized in that: oil quality monitor (15) and pipeline switching valve (14) are installed on the liquid-discharging tube (16) successively, pipeline switching valve (14) is gone up waste oil recovery tube (13) is installed, waste oil recovery tube (13) is communicated with drain oil recovery equipment (11), and oil quality monitor (15) is connected with controller by lead respectively with pipeline switching valve (14).
7. a kind of high pressure hose pump according to claim 1 is characterized in that: flexible pipe (29) is gone up relief tube (36) is installed, and relief tube (36) is communicated with oil exit pipe (16), and relief tube (36) is gone up pressure relief safety valve (18) is installed.
8. a kind of high pressure hose pump according to claim 1 is characterized in that: on the inwall of flexible pipe chamber (28) inductor (37) is installed.
9. a kind of high pressure hose pump according to claim 8 is characterized in that: described inductor (37) is a ring sensor, and flexible pipe (29) passes ring sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202887002U CN201739142U (en) | 2010-08-11 | 2010-08-11 | High-pressure hose pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202887002U CN201739142U (en) | 2010-08-11 | 2010-08-11 | High-pressure hose pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739142U true CN201739142U (en) | 2011-02-09 |
Family
ID=43554417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202887002U Expired - Fee Related CN201739142U (en) | 2010-08-11 | 2010-08-11 | High-pressure hose pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263651A (en) * | 2022-08-30 | 2022-11-01 | 国家海洋技术中心 | Wave energy power generation device based on hose type hydraulic conversion system |
| CN118934598A (en) * | 2024-08-28 | 2024-11-12 | 南通大学 | A self-adjusting and compensating double-output single-cylinder pump |
-
2010
- 2010-08-11 CN CN2010202887002U patent/CN201739142U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263651A (en) * | 2022-08-30 | 2022-11-01 | 国家海洋技术中心 | Wave energy power generation device based on hose type hydraulic conversion system |
| CN115263651B (en) * | 2022-08-30 | 2025-11-18 | 国家海洋技术中心 | Wave energy generation device based on hose-type hydraulic conversion system |
| CN118934598A (en) * | 2024-08-28 | 2024-11-12 | 南通大学 | A self-adjusting and compensating double-output single-cylinder pump |
| CN118934598B (en) * | 2024-08-28 | 2025-10-28 | 南通大学 | A self-adjusting and compensating dual-output single-cylinder pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202040038U (en) | Double-acting hydraulic driving reciprocating plunger pump | |
| CN101782085A (en) | Method for storing and releasing hydraulic energy and gas, water and oil storage device applying same | |
| CN109209851A (en) | A kind of compressor operation control device | |
| CN201739142U (en) | High-pressure hose pump | |
| CN102297336A (en) | Multistage compressing and recovering device for natural gas in oil-well casing of oil field | |
| CN201858100U (en) | Pneumatic pulse dosing pump | |
| CN202152915U (en) | Multi-stage gas compression and recovery device for oil well casing in oil field | |
| CN211146045U (en) | A lubricating oil supply device | |
| CN208397033U (en) | A kind of hydraulic system and baling press | |
| CN213313546U (en) | High-efficiency energy-saving plunger pump for filter press | |
| CN210397049U (en) | Novel soft piston diaphragm pump | |
| CN201763710U (en) | Energy-saving hydraulic station | |
| CN220470341U (en) | Energy-saving hydraulic oil supply mechanism | |
| CN204239208U (en) | New film drive variable frequency metering pump | |
| CN208718896U (en) | A kind of inner cavity self-filler for Bundy tube production | |
| CN202001398U (en) | Pneumatic water pump | |
| CN108940758A (en) | It is a kind of self-priming for colloid system | |
| CN214887604U (en) | Diaphragm pump export voltage regulator device | |
| CN213016656U (en) | Pneumatic oil injection pump | |
| CN2578586Y (en) | Assembled water hammer pump | |
| CN209670955U (en) | A kind of hydraulic profile control injection pump hello liquid system | |
| CN203670314U (en) | Energy-saving hydraulic station | |
| CN209012033U (en) | A kind of new-type of hose pumping system | |
| CN101858364A (en) | Air-driven pump | |
| CN223952725U (en) | A plunger pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20190811 |