CN106640577B - Pneumatic opposite acting ram pump - Google Patents

Pneumatic opposite acting ram pump Download PDF

Info

Publication number
CN106640577B
CN106640577B CN201710099647.8A CN201710099647A CN106640577B CN 106640577 B CN106640577 B CN 106640577B CN 201710099647 A CN201710099647 A CN 201710099647A CN 106640577 B CN106640577 B CN 106640577B
Authority
CN
China
Prior art keywords
pump housing
pump
acting ram
opposite acting
water
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.)
Active
Application number
CN201710099647.8A
Other languages
Chinese (zh)
Other versions
CN106640577A (en
Inventor
刘利娜
董连俊
国兴龙
辛鑫
毕铭强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Huarui Heavy Industry Group Co Ltd
Original Assignee
Dalian Huarui Heavy Industry Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalian Huarui Heavy Industry Group Co Ltd filed Critical Dalian Huarui Heavy Industry Group Co Ltd
Priority to CN201710099647.8A priority Critical patent/CN106640577B/en
Publication of CN106640577A publication Critical patent/CN106640577A/en
Application granted granted Critical
Publication of CN106640577B publication Critical patent/CN106640577B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • F04B9/125—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
    • 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
    • F04B3/00—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage
    • F04B3/003—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage with two or more pistons reciprocating one within another, e.g. one piston forning cylinder of the other
    • 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
    • F04B53/10—Valves; Arrangement of valves
    • 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
    • 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
    • F04B53/143—Sealing provided on the piston
    • 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
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The invention discloses a kind of pneumatic opposite acting ram pumps, including the pump housing, the pump housing inner cavity of tubular is respectively arranged on the left side and the right side one group of embolization, two sides up and down in the middle part of the pump housing are machined with upper water-out mouth and lower water inlet respectively, and the left and right sides end of the pump housing is separately installed with a flange and driving mechanism；Embolization and driving mechanism structure having the same at left and right sides of the pump housing；The embolization in left side includes disk spring I, embolism and the disk spring II that the right-hand end of piston rod and piston rod is successively worn.Pneumatic opposite acting ram pump of the present invention amplifies Pump Suction drainability by reasonable water pump tank design, and the relatively double plug forms of use keep the mobile performance of water reasonable, save energy loss, and be not easy to plug, and reduce probability of failure.

Description

Pneumatic opposite acting ram pump
Technical field
The present invention relates to a kind of pneumatic opposite acting ram energy-saving water pumps.
Background technique
Metallurgy industry continuous casting workshop is more severe with pump working condition, typically the equipment such as crystallizer, fan-shaped section Circulation cooling water.There are also a large amount of cooling iron sheet in water, the large granular impurities such as silt are more muddy, and are generally flows Larger, the pump working time is long, and power consumption is huge, and high failure rate increases the production cost of enterprise.
Currently, continuous casting workshop sedimentation basin or production technology link all use centrifugal water pump or reciprocating column with water pump is most of Fill in water pump (motor driven), there are the problem of mainly have:
One, centrifugal water pump compares plunger pump, and efficiency is lower, and generally 70~80%, there is bulky grain miscellaneous if water quality is bad Efficiency can be more lower under matter or heavy traffic condition.
Two, reciprocating type plunger pump efficiency can be high compared to centrifugal pump, and what highest had can reach 98%, but power consumption compared with It is more.
Therefore, continuous casting workshop efficiency of centrifugal pump is lower, plunger water pump power consumption is more.
Summary of the invention
According to technical problem set forth above, and a kind of pneumatic opposite acting ram pump is provided, to solve existing company Workshop water pump is cast, has the shortcomings that efficiency is lower or power consumption is more.The technological means that the present invention uses is as follows:
A kind of pneumatic opposite acting ram pump, including the pump housing, the pump housing inner cavity of tubular are respectively arranged on the left side and the right side one group of bolt Cock body, the two sides up and down in the middle part of the pump housing are machined with upper water-out mouth and lower water inlet respectively, and the left and right sides end of the pump housing is pacified respectively Equipped with a flange and driving mechanism；Embolization and driving mechanism structure having the same at left and right sides of the pump housing；Left side Embolization includes disk spring I, embolism and the disk spring II that the right-hand end of piston rod and piston rod is successively worn；It is described Driving mechanism include cylinder and connecting joint, the both ends of the connecting joint couple the piston joint and piston rod of cylinder respectively Left end；When gas source drive cylinder moving, passes through connecting joint and drive embolization to move reciprocatingly simultaneously.
It include sealing and close upper water-out mouth side far from upper water-out mouth side as the preferred embolism outer wall Closing in portion；The sealing is machined with the angle the R seal groove for installing sealing ring, and the closing in portion has a taper, cone angle α, 15°≤α≤20°；The embolism has a groove close to upper water-out mouth side center, and the side wall of groove has a taper, cone angle β, 25°≤β≤30°。
It is that PTFE adds carbon fibre materials sealing ring as the preferably described sealing ring, sealing ring cross section is semicircle.
As the preferred cylinder with being provided with reversal valve between gas source, the outlet end of upper water-out mouth and lower water inlet into Mouth end is respectively arranged with a check valve, enters water source from lower water inlet, the discharge of upper water-out mouth.
Disk spring I is depressed by locking nut as on the left of the preferably described piston rod, and disk spring I is kept to have one Fixed pretightning force；The piston rod right-hand end is locked disk spring II by nut.
It is cast member as the preferably described pump housing, there is 0.08mm~0.12mm to plate Cr for pump housing inner cavity and embolism contact surface Layer.
As the preferred piston rod with the J-type sealing ring being provided between flange for sealing, the flange outside is set It is equipped with the pressing plate for compression.
Outer diameter as the preferred embolism is Φ Amm, and the internal diameter of the pump housing is Φ Bmm, Φ A=Φ B-4.
It is 20 ° as preferred closing in portion cone angle；The sidewall taper β of the groove is 28 °.
As the preferred pump housing inner cavity and embolism contact surface there is 0.1mm to plate Cr layers.
Compared with prior art, pneumatic opposite acting ram pump of the present invention, has the advantage that
1, pneumatic opposite acting ram pump of the present invention, the pump housing inner cavity of tubular is respectively arranged on the left side and the right side one group of bolt Cock body, the two sides up and down in the middle part of the pump housing are machined with upper water-out mouth and lower water inlet respectively, by reasonable water pump tank design, make The amplification of Pump Suction drainability, the relatively double plug forms of use keep the mobile performance of water reasonable, save energy loss, and be not easy to block up Plug reduces probability of failure.
2, pneumatic opposite acting ram pump of the present invention, the left and right sides end of the pump housing is separately installed with a flange And driving mechanism；The driving mechanism includes cylinder and connecting joint, when gas source drives cylinder moving, passes through connecting joint Embolization is driven to move reciprocatingly simultaneously.It realizes and the existing compressed air energy sources of continuous casting workshop is substituted to traditional electric energy drive Dynamic, energy-saving and emission-reduction save electric energy for enterprise, optimize the structure of production.
3, pneumatic opposite acting ram pump of the present invention, pump housing inner cavity and embolism contact surface have 0.08~0.12mm Cr layers of plating, Cr layers of plating not only reduce frictional resistance, but also the protection pump housing exempts the erosion of the media such as water, can using the Cr layers of pump housing of plating Without using the stainless steel pump housing, resource and cost are saved, and plates Cr layers too thin, then coating and matrix binding performance are bad, hold Easily peel off；Plating is Cr layers too thick, then coating internal stress is unevenly distributed, and is easy under the action of internal stress under heated and particular surroundings Cracking is generated, the service life is short.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is structural schematic diagram of the invention (plunger home position, i.e. emptying medium).
Fig. 2 is schematic structural view of the invention (plunger motion extreme position is full of medium).
Fig. 3 is operating system schematic diagram of the present invention (C is gas source in figure, and D is airflow direction, and E is water (flow) direction).
Fig. 4 is pump body enlarged structure schematic diagram of the present invention.
Fig. 5 is the enlarged structure schematic diagram of embolism of the present invention.
Fig. 6 is overall schematic of the invention.
Wherein: 1, cylinder, 2, connecting joint, 3, pressing plate, 4, J-type sealing ring, 5, flange, 6, piston rod, 7, the pump housing, 8, lock Tight nut, 9, disk spring I, 10, embolism, 11, disk spring II, 12, nut, 13, sealing ring, 14, reversal valve, 15, unidirectional Valve, 16, water outlet, 17, water inlet.
Specific embodiment
As shown in Fig. 1 to Fig. 6, a kind of pneumatic opposite acting ram pump, including the pump housing 7, the pump housing 7 are cast member, There is 0.08mm~0.12mm to plate Cr layers for 7 inner cavity of the pump housing and 10 contact surface of embolism, and preferred 7 inner cavity of the pump housing connects with embolism 10 There is contacting surface 0.1mm to plate Cr layers.Cr layers of plating, this coating surface is smooth, reduces the frictional resistance of sealing ring and cavity；And This coating antirust ability is stronger, because continuous casting workshop medium water quality is more complex, with the presence of corrosion factor, therefore plates Cr layers of presence The service life of pump can be greatly prolonged.
7 inner cavity of the pump housing of tubular is respectively arranged on the left side and the right side one group of embolization, and the two sides up and down at 7 middle part of the pump housing process respectively There are upper water-out mouth 16 and lower water inlet 17, upper water-out mouth 16 and lower water inlet 17 are set to the center of the pump housing 7, described above to go out The mouth of a river 16 and the end of lower water inlet 17 adapter tube are provided with the flanged plate for connection, make lower water inlet 17 as lower mouth into Water is discharged as upper water-out mouth 16 suitable for reading, realizes that the flow direction of water is bottom in and top out.
The left and right sides end of the pump housing 7 is separately installed with a flange 5 and driving mechanism；The bolt of 7 left and right sides of the pump housing Cock body and driving mechanism structure having the same；The embolization in left side include piston rod 6 and piston rod 6 right-hand end according to The secondary disk spring I9 worn, embolism 10 and disk spring II11；Dish-shaped bullet is depressed by locking nut 8 on the left of the piston rod 6 Spring I9, and keep disk spring I9 that there is certain pretightning force；6 right-hand end of piston rod passes through nut 12 for disk spring II11 locking.
10 outer wall of embolism includes the sealing far from 16 side of upper water-out mouth and the receipts close to 16 side of upper water-out mouth Oral area；The sealing is machined with the angle the R seal groove for installing sealing ring 13, the angle the R seal groove be provided with it is multiple, such as Shown in Fig. 5, the closing in portion has taper, and cone angle α, 15 °≤α≤20 °, specific value can be carried out according to physical device size Selection, preferred closing in portion cone angle are 20 °；Closing in portion herein is the position for retaining two seal grooves 13, forms shape It closes up；The embolism 10 has a groove close to 16 side center of upper water-out mouth, and the side wall of groove has a taper, cone angle β, and 25 ° ≤ β≤30 °, specific value can be selected according to physical device size, and the sidewall taper β of the preferred groove is 28 °, and And makes the processing of groove that the certain thickness position of embolism 10 be kept to do outside shape and put.
This special cone angle design of seal groove 13, it is therefore intended that make to increase pushing away for medium in embolization motion process The frictional resistance of power and reduction and cylinder body, i.e. embolization move to B from position A, and 25~30 ° of angle is horn mouth, Neng Gouzeng Greatly for the thrust of medium, particularly with the medium for having large granular impurity；Embolization moves to A from position B simultaneously, and 15~20 ° Angle do necking, reduce the contact area of seal groove 13 Yu cylinder body, reduce frictional resistance.
The sealing ring 13 is that PTFE adds carbon fibre materials sealing ring, and such material has wear-resisting, high temperature resistant, use The advantages that service life is long and convenient maintenance and replacement, can effective protection embolism and cylinder interior it is smooth, 13 cross section of sealing ring is half Circle is matched with outer periphery seal groove (i.e. the angle R seal groove) size on embolism 10, this sealing structure form stress is closed Reason.And guarantee to match with the outer periphery seal groove size on embolism 10.
The driving mechanism includes cylinder 1 and connecting joint 2, and the both ends of the connecting joint 2 couple cylinder 1 respectively The left end of piston joint and piston rod 6；The piston rod 6 is the same as the J-type sealing ring 4 being provided between flange 5 for sealing, institute The pressing plate 3 for compression is provided on the outside of the flange 5 stated.
When gas source drive cylinder 1 move, pass through connecting joint 2 simultaneously drive embolization to move reciprocatingly, in the pump housing 7 by In the continuous contraction change of gas volume, medium water is drawn into and the pump housing 7 is discharged, and achievees the purpose that water pumping.
The cylinder 1 with being provided with reversal valve 14 between gas source, the outlet end of upper water-out mouth 16 and lower water inlet 17 into Mouth end is respectively arranged with a check valve 15, enters water source from lower water inlet 17, and upper water-out mouth 16 is discharged.The embolism 10 Outer diameter is Φ Amm, and the internal diameter of the pump housing 7 is Φ Bmm, Φ A=Φ B-4.Embolism 10 and the unilateral gap 2mm of the pump housing 7 are to prevent the two Hard contact causes unnecessary scuffing to damage；Between the two fill sealing ring 13, will not medium cause to leak.
As shown in figure 3, C is gas source, D in figure for the operating system schematic diagram of pneumatic opposite acting ram pump of the present invention For airflow direction, E is water (flow) direction.
The water pump system of pneumatic opposite acting ram pump of the present invention, power gas source have system by oneself from continuous casting workshop In, cylinder 1 is acted on by reversal valve 14, the pump housing 7 controls flow direction of medium by import and outlet side check valve 15.
I.e. during plunger pump water inlet, influent side check valve open state, water outlet side check valve closed state；Exiting water process is pumped, Water outlet side check valve open state, influent side check valve closed state, medium water are constantly discharged in cavity from water outlet 16, until row Sky completes one cycle.
Pneumatic opposite acting ram pump of the present invention, is a kind of energy-saving water pump, and main body does symmetrical opposite fortune by two sides Dynamic plunger composition, for main parts size in addition to reversal valve 14, remaining quantity is 2.
Pneumatic opposite acting ram pump of the present invention, the gas source in continuous casting workshop system pass through reversal valve 14 Cylinder 1 is acted on, sets the diameter of cylinder (internal diameter) of cylinder 1 as N times of 7 diameter of the pump housing (internal diameter)；The intracavity diameter of the cylinder 1 For SC, pressure PC, 7 internal diameter of the pump housing is SB, pressure PB.
Due to thrust F=S × P that piston is subject to, then SC × PC=SB × PB, and the diameter of cylinder (internal diameter) of cylinder 1 is N times of 7 diameter of the pump housing (internal diameter) of the design, then PB=N × PC, i.e. pump pressure amplify N times, in the certain feelings of shop air pressure Under condition, the lift of pump can be changed by changing this cylinder 1 and 7 diameter of the pump housing (internal diameter) relationship.
Pneumatic opposite acting ram pump of the present invention, when work, when the plunger in the pump housing 7 by position B to position A's It in the process, is pump water inlet process, influent side Hydraulic Elements check valve open state, water outlet side Hydraulic Elements check valve close shape at this time State, medium water constantly flow into cavity from water inlet 17, until being full of；When the plunger in the pump housing 7 is by position A to the mistake of position B Cheng Zhong, to pump exiting water process, water outlet side Hydraulic Elements check valve open state at this time, influent side Hydraulic Elements check valve closed state, Medium water is constantly discharged in cavity from water outlet 16, until emptying.So complete one cycle.
The inlet and outlet position of traditional plunger water pump is all in the unilateral side of the pump housing, process of the medium water from import to outlet, false If inlet velocity be VI, muzzle velocity VO, then
VO=-VI
The process of speed-shifting is the consumption of energy, velocity energy consumption are as follows:
N=1/2mV2 × L
L is the intracavitary length of the pump housing.
Pneumatic opposite acting ram pump of the present invention, by inlet and outlet setting in pump housing chamber center, and considers In terms of the energy loss for reducing water, the efficiency of pump can be improved in this way.
As shown in Figure 1, two end plugs in the pump housing 7 are in position B, i.e. home position and the plunger position that empties medium water It sets, two end plugs just contact at this time.The advantages of embolism self structure, in discharge two end plug of water during head-on collision, column Plug opens greatly big conjunction, and speed is fast, and thrust is especially big, and some big granule foreigns are discharged in help, while the water in plunger cavity has very Big reaction force expands plunger, and disk spring I9 can play buffer function at this time.Disk spring II11 is then to reinforce The intensity of embolism II10, the deformation for preventing embolism II10 excessive reduce the probability of fatigue deformation, extend the service life, meanwhile, in order to keep away Exempt from the excessive collision of two end plugs, slows down impact force.
Pneumatic opposite acting ram pump of the present invention, by reasonable water pump tank design, enables water pump discharging water Power is effectively amplified, and the relatively double plug forms of use keep the mobile performance of water more reasonable, saves energy loss, and plunger opens greatly big conjunction It is not easy to plug, reduces equipment fault probability, save electric energy, achieved the purpose that energy-saving and emission-reduction.
Pneumatically opposite acting ram pump of the present invention, this water pump for opening big conjunction working forms greatly is exactly continuous casting Process requirement.Pneumatic opposite acting ram pump of the present invention, devises the operation process of this plunger water pump on the whole System, the connection including pipeline parts and equipment, optimizes the design of the pump housing, from plunger water pump overal system design operation work Skill.
Pneumatic opposite acting ram pump of the present invention, for having at gas source, in particular to continuous casting workshop technique produces Gas source utilizes energy-saving and emission-reducing upgrading project.Continuous casting workshop carries out energy saving optimizing upgrading, is produced using hot continuous casting blank Give birth to a large amount of hot reserve compressed gas energy.Driving energy of these a large amount of compressed gas energies with regard to energy-saving water pump of the invention Pump electric energy is thus greatly saved in source, and environment friendly and pollution-free, meets the carbon drop policy of national energy conservation and emission reduction.
Pneumatic opposite acting ram pump of the present invention, has the compressed air obtained in technique production in continuous casting workshop On the basis of the energy, from the aspect of the production technology and energy saving in conjunction with continuous casting workshop, by the existing compressed gas source in workshop Combine using with plunger water pump, designs a kind of pneumatic acting ram energy-saving water pump and system in opposite directions.
Pneumatic opposite acting ram pump of the present invention, is only single cylinder water pump, to pursue continuous and big flow, Neng Gougen It works continuously pneumatic plunger energy-saving water pump according to needing to design multi-cylinder.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (9)

1. a kind of pneumatic opposite acting ram pump, it is characterised in that including the pump housing (7), the pump housing (7) inner cavity left and right sides of tubular It is respectively equipped with one group of embolization, the two sides up and down in the middle part of the pump housing (7) are machined with upper water-out mouth (16) and lower water inlet (17) respectively, The left and right sides end of the pump housing (7) is separately installed with a flange (5) and driving mechanism；
Embolization and driving mechanism structure having the same at left and right sides of the pump housing (7)；
The embolization in left side includes disk spring I (9), the bolt that the right-hand end of piston rod (6) and piston rod (6) is successively worn Fill in (10) and disk spring II (11)；
The driving mechanism includes cylinder (1) and connecting joint (2), and the both ends of the connecting joint (2) couple cylinder respectively (1) left end of piston joint and piston rod (6)；
When gas source drive cylinder (1) movement, passes through connecting joint (2) and drive embolization to move reciprocatingly simultaneously；
Embolism (10) outer wall includes sealing and close upper water-out mouth (16) side far from upper water-out mouth (16) side Closing in portion；
The sealing is machined with the angle the R seal groove for installing sealing ring (13), and the closing in portion has a taper, cone angle α, 15°≤α≤20°；
The embolism (10) has a groove close to upper water-out mouth (16) side center, and the side wall of groove has a taper, cone angle β, 25°≤β≤30°。
2. pneumatic opposite acting ram pump according to claim 1, it is characterised in that:
The sealing ring (13) is that PTFE adds carbon fibre materials sealing ring, and sealing ring (13) cross section is semicircle.
3. pneumatic opposite acting ram pump according to claim 1, it is characterised in that:
The cylinder (1) between gas source with being provided with reversal valve (14), the outlet end of upper water-out mouth (16) and lower water inlet (17) Input end be respectively arranged with a check valve (15), make water source from lower water inlet (17) enter, upper water-out mouth (16) discharge.
4. pneumatic opposite acting ram pump according to claim 1, it is characterised in that:
By locking nut (8) pressure disk spring I (9) on the left of the piston rod (6), and disk spring I (9) is kept to have one Fixed pretightning force；
Piston rod (6) right-hand end is locked disk spring II (11) by nut (12).
5. pneumatic opposite acting ram pump according to claim 1, it is characterised in that:
The pump housing (7) is cast member, and there is 0.08mm~0.12mm to plate Cr for the pump housing (7) inner cavity and embolism (10) contact surface Layer.
6. pneumatic opposite acting ram pump according to claim 1, it is characterised in that:
It is provided with the J-type sealing ring (4) for sealing between the same flange of the piston rod (6) (5), is set on the outside of the flange (5) It is equipped with the pressing plate (3) for compression.
7. pneumatic opposite acting ram pump according to claim 1, it is characterised in that:
The outer diameter of the embolism (10) is Φ Amm, and the internal diameter of the pump housing (7) is Φ Bmm, Φ A=Φ B-4.
8. pneumatic opposite acting ram pump according to claim 1, it is characterised in that:
Closing in portion cone angle is 20 °；
The sidewall taper β of the groove is 28 °.
9. pneumatic opposite acting ram pump according to claim 5, it is characterised in that:
There is 0.1mm to plate Cr layers for the pump housing (7) inner cavity and embolism (10) contact surface.
CN201710099647.8A 2017-02-23 2017-02-23 Pneumatic opposite acting ram pump Active CN106640577B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710099647.8A CN106640577B (en) 2017-02-23 2017-02-23 Pneumatic opposite acting ram pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710099647.8A CN106640577B (en) 2017-02-23 2017-02-23 Pneumatic opposite acting ram pump

Publications (2)

Publication Number Publication Date
CN106640577A CN106640577A (en) 2017-05-10
CN106640577B true CN106640577B (en) 2019-01-18

Family

ID=58844855

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710099647.8A Active CN106640577B (en) 2017-02-23 2017-02-23 Pneumatic opposite acting ram pump

Country Status (1)

Country Link
CN (1) CN106640577B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107387353B (en) * 2017-08-30 2023-08-04 张家口德中钻探机械有限责任公司 Ultrahigh pressure water pump
CN110748472A (en) * 2019-10-18 2020-02-04 蓝石胜 Pneumatic booster with buffering transmission in valve core
CN112791286B (en) * 2021-02-03 2021-10-08 佳木斯大学 Touching respirator for heart disease middle-aged and old patients

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2457363Y (en) * 2000-12-26 2001-10-31 李东阳 Improved pneumatic two-way high pressure liquid pump
US20040118274A1 (en) * 2002-12-23 2004-06-24 James Morrison Additive injection device
US20060204375A1 (en) * 2005-03-10 2006-09-14 Judge Robert A Pressure driven pumping system
CN201884233U (en) * 2010-12-21 2011-06-29 苏州市甘泉自动化环保设备厂 Pneumatic reciprocating pump
CN201991721U (en) * 2011-02-15 2011-09-28 周细龙 Water pump
CN206495757U (en) * 2017-02-23 2017-09-15 大连华锐重工集团股份有限公司 Pneumatic opposite acting ram pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2457363Y (en) * 2000-12-26 2001-10-31 李东阳 Improved pneumatic two-way high pressure liquid pump
US20040118274A1 (en) * 2002-12-23 2004-06-24 James Morrison Additive injection device
US20060204375A1 (en) * 2005-03-10 2006-09-14 Judge Robert A Pressure driven pumping system
CN201884233U (en) * 2010-12-21 2011-06-29 苏州市甘泉自动化环保设备厂 Pneumatic reciprocating pump
CN201991721U (en) * 2011-02-15 2011-09-28 周细龙 Water pump
CN206495757U (en) * 2017-02-23 2017-09-15 大连华锐重工集团股份有限公司 Pneumatic opposite acting ram pump

Also Published As

Publication number Publication date
CN106640577A (en) 2017-05-10

Similar Documents

Publication Publication Date Title
CN106640577B (en) Pneumatic opposite acting ram pump
CN104373397B (en) Double hydraulic system and hydraulic press
US20090065074A1 (en) Distribution valve for concrete transport pump
CN109201188B (en) Middle-high temperature roller crusher with efficient cooling effect
CN206495757U (en) Pneumatic opposite acting ram pump
WO2022160964A1 (en) Combined type piston ring of crushing hammer
CN105736179A (en) Gas flow adjusting device of solid rocket ramjet
CN110906035A (en) Self-controlled flow regulating valve
CN104791242A (en) Two-screw pump and preparation method of corresponding rubber lined screw rods of two-screw pump
CN204533620U (en) black water regulating valve
CN107905983B (en) A kind of diaphragm type compressor cylinder cap with drainage hole
CN101852194B (en) Pump head for plunger type metering pump
CN213060965U (en) Water circulating device for quenching of stainless steel band
CN207064373U (en) A kind of multifunction hydraulic oil cylinder
CN102108961B (en) Hydraulic end structure of hydraulic diaphragm-type reciprocating pump capable of replacing diaphragm rapidly
CN201972901U (en) Hydraulic end structure of hydraulic diaphragm type reciprocating pump capable of rapidly replacing diaphragm
CN206309679U (en) Super high pressure fluid unloading valve
CN201851718U (en) Check valve
CN202381972U (en) Pilot piston type steam trap
CN204267800U (en) A kind of ball check valve
CN204592366U (en) Angle stroke angle valve
CN202790606U (en) Wear resistant sluice valve
CN201739136U (en) Natural cooling CNG compressor with no auxiliary cooling channel
CN205533052U (en) Reciprocating pump pump body is pressed to right angle form height
CN206439419U (en) A kind of high-pressure water descaling valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant