CN106523314A - Fluid self-lubricating high-pressure plunger pump driven by swash plate - Google Patents
Fluid self-lubricating high-pressure plunger pump driven by swash plate Download PDFInfo
- Publication number
- CN106523314A CN106523314A CN201611266447.9A CN201611266447A CN106523314A CN 106523314 A CN106523314 A CN 106523314A CN 201611266447 A CN201611266447 A CN 201611266447A CN 106523314 A CN106523314 A CN 106523314A
- Authority
- CN
- China
- Prior art keywords
- plunger
- swash plate
- water
- pressure
- valve plate
- 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.)
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/22—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
-
- 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
- F04B53/001—Noise damping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a fluid self-lubricating high-pressure plunger pump driven by a swash plate. The fluid self-lubricating high-pressure plunger pump driven by the swash plate is provided with a shell, a spindle and a plunger cylinder body. The plunger cylinder body is arranged inside the shell. A bottom cover flange is arranged at the lower end of the shell. The spindle is connected with the plunger cylinder body through a shaft and drives the plunger cylinder body to rotate. An upper end cover is arranged at the upper end of the shell. The swash plate is arranged under the upper end cover. An oblique surface is arranged at the bottom of the swash plate. A valve plate is arranged on the lower side of the plunger cylinder body and provided with a water inflow port and a water outflow port. A plurality of plunger holes are formed inside the plunger cylinder body, and a ball plunger is arranged in each plunger hole. The upper ends of the ball plungers abut against the oblique surface at the bottom of the swash plate. The bottom cover flange is provided with a water inlet and a water outlet, the water inlet communicates with the water inflow port, and the water outlet communicates with the water outflow port. The fluid self-lubricating high-pressure plunger pump driven by the swash plate has the beneficial effects that water film isolating lubrication is formed on the binding surface of the swash plate and a plunger slip shoe through the ball plungers, small through holes formed in the plunger slip shoe and high-pressure water flow generated by the plunger slip shoe, and abrasion caused by direct binding is reduced.
Description
Technical field
The present invention relates to a kind of swash plate drive-type fluid is mainly used in fire-fighting, desalinization from lubricious high-pressure plunger pump,
The fields such as high pressure reverse osmosiss, high-pressure wash.
Background technology
Plunger water pump is the conventional water under high pressure power source device of modern industry, be widely used in coal, mine, metallurgy, railway,
The fields such as lathe, pressure testing machinery.All the time, the research and development of domestic plunger water pump are being introduced mainly based on conversion foreign technology
Digested on the basis of foreign technology and absorbed, but do not grasped the real core technology of plunger water pump, there is following skill
Art shortcoming：
1st, need to fill lubricating fluid, maintenance cost is high, using inconvenience, inefficiency.
2nd, using ball (post) bearing, short life, shakes and noise is big.
The content of the invention
The invention aims to make up the deficiencies in the prior art, there is provided a kind of swash plate drive-type fluid is from lubricious height
Hydraulic plunger pump, needs to fill the inconvenience of lubricant in solving prior art, maintains the cleanliness without any pollution of fluid.
In order to reach the purpose of the present invention, technical scheme is as follows：
A kind of swash plate drive-type fluid is from lubricious high-pressure plunger pump, it is characterised in that with shell, main shaft and plunger case
Body, plunger cylinder are located at enclosure, and the lower end of shell is provided with bottom flange, and main shaft is connected with plunger cylinder axle and drives plunger
Cylinder body is rotated,
Shell upper end is provided with upper end cover, and swash plate is provided with the downside of upper end cover, and the bottom of swash plate has inclined-plane, plunger cylinder
Downside is provided with valve plate, and valve plate is provided with into water port and water outlet port；Multiple plunger holes are provided with inside plunger cylinder, each
A bulb plunger is provided with plunger hole, the upper end of bulb plunger is abutted with the inclined-plane of swash plate bottom,
Bottom flange is provided with water inlet and outlet, and water inlet is communicated with water inlet port, outlet and water outlet port phase
It is logical.
Preferably, the upper end of bulb plunger has spherical structure, and bulb plunger body has cavity, in the upper of spherical structure
End is provided with plunger piston slippery boots, and spheroid plunger can be freely rotated relative to plunger piston slippery boots, the surface of plunger piston slippery boots and plunger piston slippery boots and
PEEK bushings are equipped between bulb plunger, the water hole for penetrating its upper and lower both sides in plunger piston slippery boots, is provided with.Water hole and bulb
Cavity in plunger is communicated.
Preferably, water lubriucated bearing is provided between outer casing inner wall and plunger cylinder outer wall.
Preferably, the lower end of the plunger cylinder is additionally provided with servo valve plate, and servo valve plate is located on the upside of valve plate, main shaft
Lower end and servo valve plate between be provided with compression spring, compression spring is between main shaft and servo valve plate in the state compressed.
Preferably, the upper end of bulb plunger is provided with return plate.
Preferably, the valve plate upper surface is provided with one layer of PEEK material.
Preferably, the inwall of plunger hole is provided with one layer of PEEK bushing.
Preferably, main shaft is that outside is arranged with ball pivot, and ball pivot is close to plunger cylinder；Return plate is provided with return plate lining
Set, the side of return plate bushing is connected with the surface of ball pivot
Preferably, the surface of bulb plunger scribbles ceramic coating.
PEEK is polyether-ether-ketone, is a kind of special engineering plastics of excellent performance, is had compared with other special engineering plastics
There are more significant advantages, 260 degree of resistance to positive high temperature, mechanical performance are excellent, self lubricity is good, chemicals-resistant burn into is fire-retardant, resistance to stripping
Property, wearability, can be used for high-end machinery, nuclear engineering and boat intolerant to strong nitric acid, concentrated sulphuric acid, radioprotective, superpower mechanical performance
The science and technology such as sky.
The device have the advantages that：
By the little thin through hole arranged in bulb plunger and plunger piston slippery boots and the High-Pressure Water for itself producing in swash plate and post
Moisture film isolation lubrication is formed on plug piston shoes binding face, the abrasion that directly laminating is produced is reduced.
Just replace traditional ball (post) bearing with fluid self-lubricating bearing, make that the life-span of pump is longer, noise is lower.
Description of the drawings
Fig. 1 is structural representation of the swash plate drive-type fluid of the present invention from lubricious high-pressure plunger pump；
Fig. 2 is the structural representation of spheroid plunger of the present invention.
Specific embodiment
With reference to embodiment, the invention will be further described, but protection scope of the present invention is not limited solely to implement
Example.
As shown in figure 1, a kind of swash plate drive-type fluid is from lubricious high-pressure plunger pump, with shell 25, main shaft 1 and plunger case
Body 10, plunger cylinder 10 are provided with water lubriucated bearing 9 between the outer wall of the inwall and plunger cylinder of shell inside shell 25.
The lower end of shell 25 is provided with bottom flange 16, and bottom flange 16 is provided with water inlet 101 and outlet 102, under plunger cylinder 10
Side is provided with valve plate 14, and valve plate 14 is provided with into water port 141 and water outlet port 142, the water inlet 101 of bottom flange 16 with
Port 141 is communicated, the outlet 102 of bottom flange 16 is communicated with the water outlet port 142 of valve plate 14 for the water inlet of valve plate 14.Post
The lower end of plug cylinder body 10 is additionally provided with servo valve plate 29, and on the upside of valve plate 14,14 upper surface of valve plate sets servo valve plate 29
The PEEK materials for having one layer of PEEK material, 14 surface of valve plate are close to servo valve plate 29, also are provided with water flowing on servo valve plate 29
Port.
The sidepiece of shell 25 is provided with air vent, and air vent is provided with venting plug 21.Main shaft 1 is connected with 10 axle of plunger cylinder
Connect, in the case where power source (such as motor) drives, main shaft 1 drives plunger cylinder 10 and servo valve plate 29 to make to rotate at a high speed.Main shaft 1 with it is upper
Oil sealing 2 is provided between end cap.
Compression spring 11 is provided between the lower end of main shaft 1 and servo valve plate 29, compression spring 11 is in main shaft 1 and servo valve plate
In the state compressed between 29, the compression degree of compression spring 11 determines connecing between servo valve plate 29 and valve plate 14
Tactile tightness degree and frictional force size.
25 upper end of shell is provided with upper end cover 3, and the downside of upper end cover 3 is provided with swash plate 5, and swash plate 5 is connected to one with upper end cover 3
Rise, the bottom of swash plate 5 has inclined-plane.Multiple plunger holes are provided with inside plunger cylinder 10, a ball head in each plunger hole, is provided with
Plunger 23, preferably 2-30, the upper end of bulb plunger 23 is abutted with the inclined-plane of 5 bottom of swash plate.The upper end of bulb plunger 23
Return plate 6 and ball pivot 8 are provided with, return plate 6 can allow ball head column plug 23 to reset.
Bottom bolt 32 is installed on bottom flange 16, swash plate alignment pin 19, bulb plunger 23 and post are installed on swash plate 5
Plunger bushing 24 is provided between plug cylinder body, 14 bottom of valve plate is provided with valve plate alignment pin 30.
The inwall of plunger hole is provided with the bushing of the modified materials of one layer of PEEK, and spheroid plunger is reciprocating in bushing.
The surface of bulb plunger scribbles ceramic coating, increases the mechanical performance of bulb plunger.
With reference to shown in Fig. 2, the upper end of bulb plunger 23 has spherical structure, has cavity 231 inside bulb plunger 23,
The upper end of spherical structure is provided with plunger piston slippery boots 232, and the surface of plunger piston slippery boots 232 is provided with PEEK bushings 234,232 end of plunger piston slippery boots
Bread is wrapped with that PEEK is material modified, separates the directly contact of plunger piston slippery boots 232 and 5 surface of swash plate, and plunger piston slippery boots 232 pass through end face
PEEK it is material modified be close to swash surfaces motion.PEEK bushings also are provided between plunger piston slippery boots 232 and bulb plunger 23
234, bulb plunger 23 is connected with plunger piston slippery boots 22 and free to rotate by PEEK is material modified.It is provided with plunger piston slippery boots 232
The water hole 233 of its upper and lower both sides is penetrated, water hole 233 is communicated with the cavity 231 in bulb plunger 23.
Power source (such as motor) drives main shaft 1, plunger cylinder 10 and servo valve plate 29 to make to rotate at a high speed, bulb plunger 23 with
Rotated with plunger cylinder 10 together.As the bottom of swash plate 5 is ramp structure, therefore 23 upper end of bulb plunger is driven along oblique
Try to get to the heart of a matter face slip, while in the presence of return plate 6, bulb plunger 23 is reciprocating in plunger cylinder 10.
Main shaft 1 is that outside is arranged with ball pivot 8, and ball pivot 8 is close to plunger cylinder 10.Return plate 6 is provided with return plate lining
Set 7, the side of return plate bushing 7 is connected with the surface of ball pivot.Return plate 6 is enclosed within the sphere of ball pivot 8, bulb plunger 23
Through return plate aperture, plunger piston slippery boots 22 are stuck on return plate, when the bulb plunger 23 of one end rotates to the low spot of swash plate, should
Return plate is depressed by the plunger piston slippery boots 22 on bulb plunger 23, and as middle ball pivot is acted on, the other end of return plate is then upwards
Tilt, corresponding plunger piston slippery boots 22 are pulled out, while driving plunger return.Ball pivot 8 is sleeved on main shaft, is close to plunger cylinder,
Ball pivot 8 does the fulcrum of rotary oscillation on sphere as return plate.
The present invention principle be：
When certain bulb plunger 23 moves to right positions and is located just at the top position of water inlet 101, returning
The lower bulb plunger of the effect of journey disk 6 23 can form negative pressure in plunger cylinder 10 when moving up, by water from water inlet 101, pass through
In water inlet port 141 low pressure suction plunger hole.
When being rotated further, sealed by valve plate 14 below the plunger hole, water is lockable in plunger hole, but spheroid plunger
23 continue motion, and under the ramp effect of 5 bottom of swash plate, bulb plunger is moved in plunger hole gradually downward, compression plunger hole
Interior water, gradually rises hydraulic pressure.
When certain bulb plunger 23 moves to leftward position and is located just at the top position of outlet 102, oblique
Under the squeezing action of 5 bottom surface of disk, bulb plunger 23 is moved downward to bottom and by water by water outlet port 142, from outlet
102 High voltage outputs.
Each bulb plunger 23 corresponding can produce low when through 102 corresponding position of water inlet 101 and outlet, all
Pressure suction and the effect of High voltage output.
In High voltage output, by the water hole 233 that arranges in the cavity 231 in bulb plunger 23, plunger piston slippery boots 22, with
And the High-Pressure Water for itself producing isolates lubrication with moisture film is formed on the binding face of plunger piston slippery boots 22 in 5 bottom surface of swash plate, reduction is straight
Connect the abrasion that laminating is produced.
Finally it should be noted that：Above example only not limits technology described in the invention to illustrate the present invention
Scheme, therefore, although this specification with reference to each above-mentioned embodiment to present invention has been detailed description, this
Field it is to be appreciated by one skilled in the art that still can modify to the present invention or equivalent, and all are without departing from this
The technical scheme of the spirit and scope of invention and its improvement, which all should be covered in scope of the presently claimed invention.
Claims (8)
1. a kind of swash plate drive-type fluid is from lubricious high-pressure plunger pump, it is characterised in that with shell (25), main shaft (1) and post
Plug cylinder body (10), plunger cylinder are located at enclosure, and the lower end of shell is provided with bottom flange (16), and main shaft is connected with plunger cylinder axle
Connect and drive plunger cylinder to rotate,
Shell upper end is provided with upper end cover (3), and swash plate (5) is provided with the downside of upper end cover, and the bottom of swash plate has inclined-plane, plunger case
Valve plate (14) is provided with the downside of body, valve plate is provided with into water port (141) and water outlet port (142)；Set inside plunger cylinder
There are multiple plunger holes, in each plunger hole, be provided with a bulb plunger (23), the upper end of bulb plunger and the inclined-plane of swash plate bottom
Abut,
Bottom flange is provided with water inlet (101) and outlet (102), and water inlet is communicated with water inlet port, outlet and water outlet
Port is communicated.
2. swash plate drive-type fluid according to claim 1 is from lubricious high-pressure plunger pump, it is characterised in that bulb plunger
Upper end has spherical structure, and bulb plunger body has cavity (231), is provided with plunger piston slippery boots (232) in the upper end of spherical structure,
Spheroid plunger can be freely rotated relative to plunger piston slippery boots, between the surface of plunger piston slippery boots and plunger piston slippery boots and bulb plunger
PEEK bushings (234) are provided with, the water hole (233) for penetrating its upper and lower both sides in plunger piston slippery boots, is provided with.Water hole and bulb plunger
Interior cavity is communicated.
3. swash plate drive-type fluid according to claim 1 is from lubricious high-pressure plunger pump, it is characterised in that outer casing inner wall with
Water lubriucated bearing (9) is provided between plunger cylinder outer wall.
4. swash plate drive-type fluid according to claim 1 is from lubricious high-pressure plunger pump, it is characterised in that the plunger case
The lower end of body is additionally provided with servo valve plate (29), and servo valve plate is located on the upside of valve plate, between the lower end of main shaft and servo valve plate
Compression spring (11) is provided with, compression spring is between main shaft and servo valve plate in the state compressed.
5. swash plate drive-type fluid according to claim 1 is from lubricious high-pressure plunger pump, it is characterised in that bulb plunger
Upper end is provided with return plate (6).
6. swash plate drive-type fluid according to claim 1 is from lubricious high-pressure plunger pump, it is characterised in that the valve plate
Upper surface is provided with one layer of PEEK material, and the inwall of plunger hole is provided with one layer of PEEK bushing.
7. swash plate drive-type fluid according to claim 6 is from lubricious high-pressure plunger pump, it is characterised in that main shaft is outside
Ball pivot (8) is arranged with, ball pivot is close to plunger cylinder；Return plate is provided with return plate bushing (7), the side of return plate bushing
It is connected with the surface of ball pivot.
8. swash plate drive-type fluid according to claim 1 is from lubricious high-pressure plunger pump, it is characterised in that bulb plunger
Surface scribbles ceramic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611266447.9A CN106523314A (en) | 2016-12-31 | 2016-12-31 | Fluid self-lubricating high-pressure plunger pump driven by swash plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611266447.9A CN106523314A (en) | 2016-12-31 | 2016-12-31 | Fluid self-lubricating high-pressure plunger pump driven by swash plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106523314A true CN106523314A (en) | 2017-03-22 |
Family
ID=58336388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611266447.9A Pending CN106523314A (en) | 2016-12-31 | 2016-12-31 | Fluid self-lubricating high-pressure plunger pump driven by swash plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523314A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501871A (en) * | 2020-05-29 | 2020-08-07 | 三一重机有限公司 | Excavator hydraulic system and excavator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2667193Y (en) * | 2003-12-26 | 2004-12-29 | 浙江大学 | Low-friction-wear pure water hydraulic axial plunger pump or motor |
| EP1614895A2 (en) * | 2004-07-09 | 2006-01-11 | Kanzaki Kokyukoki MFG. Co., Ltd. | Pump system |
| CN103615385A (en) * | 2013-11-27 | 2014-03-05 | 北京工业大学 | Detachable plunger piston shoe assembly of swash plate hydraulic pump |
| CN206397668U (en) * | 2016-12-31 | 2017-08-11 | 上海翔韵实业有限公司 | A kind of swash plate drive-type fluid is from lubricious high-pressure plunger pump |
-
2016
- 2016-12-31 CN CN201611266447.9A patent/CN106523314A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2667193Y (en) * | 2003-12-26 | 2004-12-29 | 浙江大学 | Low-friction-wear pure water hydraulic axial plunger pump or motor |
| EP1614895A2 (en) * | 2004-07-09 | 2006-01-11 | Kanzaki Kokyukoki MFG. Co., Ltd. | Pump system |
| CN103615385A (en) * | 2013-11-27 | 2014-03-05 | 北京工业大学 | Detachable plunger piston shoe assembly of swash plate hydraulic pump |
| CN206397668U (en) * | 2016-12-31 | 2017-08-11 | 上海翔韵实业有限公司 | A kind of swash plate drive-type fluid is from lubricious high-pressure plunger pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501871A (en) * | 2020-05-29 | 2020-08-07 | 三一重机有限公司 | Excavator hydraulic system and excavator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190107 Address after: 200 000 B97 Building, No. 2, 158 Lane, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai Applicant after: Ring poetry valve (Shanghai) Co., Ltd. Address before: F6 Building No. 158 Lane No. 2, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, 2002 Applicant before: Shanghai Xiang Yun Industrial Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
|
| RJ01 | Rejection of invention patent application after publication |