CN106762502B - A kind of universal plunger pump of grease - Google Patents
A kind of universal plunger pump of grease Download PDFInfo
- Publication number
- CN106762502B CN106762502B CN201611236054.3A CN201611236054A CN106762502B CN 106762502 B CN106762502 B CN 106762502B CN 201611236054 A CN201611236054 A CN 201611236054A CN 106762502 B CN106762502 B CN 106762502B
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- China
- Prior art keywords
- plunger
- cam
- main shaft
- check valve
- lower cover
- Prior art date
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- 239000004519 grease Substances 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000839 emulsion Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/047—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders
- F04B1/0472—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders with cam-actuated distribution members
-
- 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
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—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
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0408—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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0413—Cams
-
- 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
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0452—Distribution members, e.g. 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/047—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders
- F04B1/0474—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders with two or more serially arranged radial piston-cylinder units
-
- 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
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/06—Control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Friction Gearing (AREA)
- Reciprocating Pumps (AREA)
Abstract
A kind of universal plunger pump of grease, main shaft outside is equipped with the upper cover plate (3), intermediate plate (4) and lower cover (5) for being respectively arranged with toroidal cavity one (8), toroidal cavity two (9) and toroidal cavity three (10)；It is respectively equipped with by multiple circuit die modules (2) between upper cover plate (3) and intermediate plate (4), between lower cover (5) and intermediate plate (4)；Circuit die module (2) is mainly made of valve block (14), plunger (16), sucking check valve (17) and discharge check valve (18), the oil outlet end of discharge check valve (18) is connected to toroidal cavity one (8) or toroidal cavity three (10), and sucking check valve (17) is connected to toroidal cavity two (10)；The cam for being useful for rotary squeezing plunger (16) assembled on main shaft (1).The pump pressure is big, flow is big.The pump configuration is simple, easy to maintenance, pressure is high, flow is big, its machine volume and weight are small, easy to remove, versatility is good.
Description
Technical field
The present invention relates to plunger pump technique field, specifically a kind of universal plunger pump of grease.
Background technology
Hydraulic pump is widely used in as the core drive original paper of hydraulic system in a variety of occasions, specifically have gear pump,
The diversified forms such as vane pump and plunger pump, used pressure medium are mostly hydraulic oil.In practice of construction/production, in order to
It the considerations of improve construction production efficiency, reduce construction cost and prevent pollution etc., is frequently encountered and needs to use water or breast
Change the case where liquid is as pressure medium.But it is existing some it is less can using water as the compression pump of pressure medium there are it is following not
Foot：Complicated, maintenance inconvenience, pressure is not up to standard, and flow is inadequate or machine volume and weight are too big, it is mobile, general to be not easy to
Property is poor.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of universal plunger pump of grease, pump configuration letters
It is single, easy to maintenance, pressure is high, flow is big, its machine volume and weight are smaller, easy to remove, versatility is good.
The present invention provides a kind of universal plunger pump of grease, including main shaft and circuit die module, outside the main shaft by
Top to bottm is set with upper cover plate, intermediate plate and lower cover successively, and axis is each equipped between the main shaft and upper cover plate and lower cover
One is held, the central area of the intermediate plate is provided with the through-hole one that internal diameter is more than main shaft outer diameter；Upper cover plate, intermediate plate and lower cover
Inside is respectively arranged with toroidal cavity one, toroidal cavity two and toroidal cavity three around main shaft, and connection is provided on upper cover plate
The external pressure oil passage one with toroidal cavity one is provided with the external pressure oil passage with toroidal cavity two of connection on intermediate plate
Two, the external pressure oil duct three with toroidal cavity three of connection is provided on lower cover；The circuit die module mainly by valve block,
Plunger, sucking check valve and discharge check valve composition, the inner end of the valve block is disposed with along the radial direction of main shaft to be connected
Plunger cavity and pressure chamber, the plunger can be slidably arranged in plunger cavity radially, and plunger is provided with ring on the outside of inner end
Shape boss five is equipped with resetting spring, the radially setting of the outer end of plunger between the annular convex platform five and the inner end of valve block
There is annular groove, the sealing ring for being slidingly sealed cooperation with plunger chamber inner sidewall is set in the annular groove, the discharge is single
Be securely fitted in the upper and lower part of valve block outer end respectively to valve and sucking check valve, be discharged check valve oil inlet end pass through it is fuel-displaced
Channel is connected to pressure chamber, and the oil outlet end for sucking check valve is connected to by oil inlet passage with plunger cavity；Upper cover plate and intermediate plate it
Between, between lower cover and intermediate plate be respectively fixedly connected with the first plunger unit, the second plunger unit；First plunger unit and
Two plunger units are made of the equally distributed circuit die module of multiple circumferential directions around main shaft；The main shaft is respectively right
Answering the position of the first plunger unit and the second plunger unit, fixing assembling has cam one and cam two, cam one and cam two respectively
It is matched respectively with the inner end of plunger in the inner end of plunger in the first plunger unit and the second plunger unit；In first plunger unit
The oil inlet end of sucking check valve be inserted into the top of intermediate plate and be connected to toroidal cavity two by suction passage one, the first column
The oil outlet end of discharge check valve in plug unit is inserted into the lower part of upper cover plate and is connected by oil drain passage one and toroidal cavity one
Logical, the oil inlet end of the sucking check valve in the second plunger unit is inserted into the lower part of intermediate plate and by suction passage two and annular
Cavity two is connected to, and the oil outlet end of the discharge check valve in the second plunger unit is inserted into the top of lower cover and passes through oil drain passage
Two with toroidal cavity tee joint.
In the technical scheme, the first plunger unit, are squeezed by cam one and cam two successively in rotary course
Multiple plungers in two plunger units, may be implemented the effect of the more strokes of multi-cylinder in this way, so as to reach huge discharge, efficiently output
Purpose, plunger can carry out reciprocating motion radially under the action of cam and resetting spring, and then can pass through suction
Enter check valve to suck the liquid being filled in annular housing two in plunger cavity, and the liquid that will be present in plunger cavity passes through discharge
Check valve is discharged into annular housing one or annular housing three, and since cam rotates under the drive of shaft, angular speed is very fast, and by
It is made of multiple circuit die modules in first plunger unit, and the volume and size of the plunger cavity of each circuit die module
Can be with smaller relative to conventional plunger cavity, the sealing performance of the sealing ring and plunger cavity that are set on the plunger is more preferable, therefore,
It is capable of providing larger imbibition pressure and drain pressure, meanwhile, draining flow is also larger.As a result of modularized design mode,
So that the structure of the present apparatus is simple, safeguard and easy to maintenance, meanwhile, it is easy to remove, there is stronger versatility.Due to upper cover plate
On pressure oil duct one and lower cover on pressure oil duct three respectively by the plunger in the first plunger unit and the second plunger unit
Pressure mould drain check valve in the block carries out fuel feeding, and therefore, which can provide two-way mutually independent High voltage output, tool
Have broad application prospects.
Further, the cross section of the cam one and cam two is circle, is assembled respectively outside cam one and cam two
There are bearing two and bearing three, the outside of bearing two and the inner end of plunger in the first plunger unit to be engaged, the outside of bearing three
It is engaged with the inner end of plunger in the second plunger unit.The outside of cam one and cam two is respectively fitted with bearing two and bearing
Three, plunger is squeezed by bearing outer ring in this way, can also make extruding sliding contact process more smooth to avoid the abrasion of cam,
Be conducive to improve the working efficiency of plunger unit.
Further, in order to provide best pressure index and maximum draining flow, the first plunger unit and the second plunger
Unit is made of four circuit die modules, and eight circuit die modules are uniformly distributed around the circumferential direction of main shaft.
Further, it safeguards for convenience and assembly, further includes the upper press cover and lower cover of annular, upper press cover, lower cover
Central area is respectively provided with first through hole of the internal diameter more than the outer diameter of main shaft, the second through-hole, upper cover plate, lower cover central area point
It is not provided with through-hole two, through-hole three, the top of through-hole two, the lower part of through-hole three are respectively provided with annular concave platform one, annular concave platform two,
The inner side and outer side of upper press cover is respectively arranged with annular convex platform one and annular convex platform two, and the inner side and outer side of lower cover is respectively set
There are annular convex platform three and annular convex platform four, upper press cover to be sleeved between bearing one and upper cover plate, and annular convex platform one and convex annular
Platform two is pressed together on respectively on the outer ring upper surface and annular concave platform one of bearing one, lower cover be sleeved on bearing one and lower cover it
Between, and annular convex platform three and annular convex platform four are pressed together on respectively on the outer ring upper surface and annular concave platform two of bearing one.
Further, in order to improve the stability of the device, the main shaft is arranged in the position of the through-hole one of corresponding intermediate plate
Have annular convex platform six, between six upper surface of annular convex platform and cam one, between six lower face of annular convex platform and cam two, cam one
Between upper surface and the bearing one on top, it is each equipped with and is sleeved on outside main shaft between two lower face of cam and the bearing one of lower part
Gasket.
In order to keep overall structure more reliable and more stable, meanwhile, also for assembly plunger modular pressure, under the upper cover plate
End face, the upper surface of intermediate plate and lower face and the upper surface of lower cover are both provided with for valve block in circuit die module
The valve block holding tank limited, valve block holding tank and the valve block holding tank of intermediate plate upper surface wherein on upper cover plate are matched in pairs
It closes, valve block holding tank and the valve block holding tank of intermediate plate lower face wherein on lower cover coordinate in pairs.
The present invention is compared compared with hydraulic pump, has small, light-weight, easy to remove, the advantages that versatility is good.It can
Unrestricted choice oil, water or emulsion are as pressure medium；The pump discharge is big, can get in the case where meeting certain pressure larger
Discharge capacity；Easy care, the more ripe pump housing of use and modularized design, the simple part universality of maintenance and repair are good；It is efficient, it is convex
Increase bearing transition avoids direct friction between the two and greatly avoids energy loss between wheel and plunger.The present invention is
A kind of product is small, it is light-weight, versatility is good, high efficiency, easy care, energy-saving and environment-friendly novel hydraulic pump installation, have wide popularization
Application prospect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 be in Fig. 1 A-A to sectional view；
Fig. 4 is the sectional view of B-B direction in Fig. 1；
Fig. 5 is the partial enlarged view in the portions A in Fig. 2；
Fig. 6 is the structural schematic diagram of upper cover plate in the present invention；
Fig. 7 is the structural schematic diagram of lower cover in the present invention；
Fig. 8 is upper cover plate in the present invention, in lower cover or intermediate plate valve block holding tank structural schematic diagram.
In figure：1, main shaft, 2, circuit die module, 3, upper cover plate, 4, intermediate plate, 5, lower cover, 6, bearing one, 7, through-hole
One, 8, toroidal cavity one, 9, toroidal cavity two, 10, toroidal cavity three, 11, pressure oil passage one, 12, pressure oil passage two,
13, pressure oil passage three, 14, valve block, 15, resetting spring, 16, plunger, 17, sucking check valve, 18, discharge check valve, 19, column
Fill in chamber, 20, pressure chamber, 21, annular convex platform five, 22, sealing ring, 23, annular convex platform six, 24, gasket, 25, cam one, 26, convex
Wheel two, 27, bearing two, 28, bearing three, 29, upper press cover, 30, lower cover, 31, through-hole two, 32, through-hole three, 33, valve block accommodate
Slot, 34, annular concave platform one, 35, annular concave platform two.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 7, the universal plunger pump of a kind of grease, including main shaft 1 and circuit die module 2, the main shaft
Be set with upper cover plate 3, intermediate plate 4 and lower cover 5 outside 1 successively from top to bottom, the main shaft 1 and upper cover plate 3 and lower cover 5 it
Between be each equipped with bearing 1, the central area of the intermediate plate 4 is provided with the through-hole 1 that internal diameter is more than 1 outer diameter of main shaft；Upper cover
Toroidal cavity 1, toroidal cavity 29 and the annular sky around main shaft 1 are respectively arranged with inside plate 3, intermediate plate 4 and lower cover 5
Chamber 3 10, is provided with the external pressure oil passage 1 with toroidal cavity 1 of connection on upper cover plate 3, the company of being provided on intermediate plate
It is logical external be provided on the pressure oil passage 2 12 of toroidal cavity 29, lower cover 5 be connected to outside with toroidal cavity 3 10
Pressure oil duct 3 13；The circuit die module 2 is mainly by valve block 14, plunger 16, sucking check valve 17 and discharge check valve 18
Composition, the inner end of the valve block 14 is disposed with the plunger cavity 19 being connected and pressure chamber 20, the column along the radial direction of main shaft 1
Plug 16 can be radially slidably arranged in plunger cavity 19, and annular convex platform 5 21 is provided on the outside of 16 inner end of plunger, described
Resetting spring 15 is equipped between annular convex platform 5 21 and the inner end of valve block 14, the outer end of plunger 16 is radially provided with annular
Groove, is set with the sealing ring 22 that cooperation is slidingly sealed with 19 madial wall of plunger cavity in the annular groove, plunger cavity 19 it is disconnected
Face is preferably circular, and the section for the plunger 16 being matched therewith so is also circle, so as to make sealing ring 22 and plunger cavity 19
There is preferable sealed connection, meanwhile, it can also make sealing ring 22 that there is preferable service life.The discharge check valve 18 and suction
Enter the upper and lower part that check valve 17 is securely fitted in 14 outer end of valve block respectively, the oil inlet end that check valve 18 is discharged passes through fuel-displaced lead to
Road is connected to pressure chamber 20, and the oil outlet end of sucking check valve 17 is connected to by oil inlet passage with plunger cavity 19；Upper cover plate 3 and centre
Between plate 4, the first plunger unit, the second plunger unit are respectively fixedly connected between lower cover 5 and intermediate plate 4, consolidating here
Fixed connection, which refers to, to be bolted, and whole device modularization can be easily installed and be safeguarded in this way；First plunger unit and second
Plunger unit is made of the equally distributed circuit die module of multiple circumferential directions around main shaft 12；In first plunger unit
The upper surface and lower face of valve block 14 are fixedly connected with the upper surface of the lower face of upper cover plate 3 and intermediate plate simultaneously；Second plunger
The upper surface and lower face of valve block 14 in unit are fixedly connected with the lower face of the upper surface of lower cover 5 and intermediate plate simultaneously；
In the position of corresponding first plunger unit and the second plunger unit, fixing assembling has cam 1 and convex to the main shaft 1 respectively respectively
Take turns 2 26, cam 1 and cam 2 26 respectively with plunger in the inner end of plunger 16 in the first plunger unit and the second plunger unit
16 inner end matches；The oil inlet end of sucking check valve 17 in first plunger unit is inserted into the top of intermediate plate 4 and passes through
Suction passage one is connected to toroidal cavity 29, and the oil outlet end of the discharge check valve 18 in the first plunger unit is inserted into upper cover plate 3
Lower part and be connected to toroidal cavity 1 by oil drain passage one, in the second plunger unit sucking check valve 17 oil inlet end
It is inserted into the lower part of intermediate plate 4 and is connected to toroidal cavity 29 by suction passage two, the discharge in the second plunger unit is unidirectional
The oil outlet end of valve 18 is inserted into the top of lower cover 5 and is connected to toroidal cavity 3 10 by oil drain passage two.Pass through cam one
25 and cam 2 26 squeeze multiple plungers 16 in the first plunger unit, the second plunger unit successively in rotary course, in this way
The effect that the more strokes of multi-cylinder may be implemented, so as to achieve the purpose that huge discharge, efficiently export, plunger 16 can in cam and
Reciprocating motion radially is carried out under the action of resetting spring 15, and then does piston motion in plunger cavity 19, you can passes through suction
Enter check valve 17 to suck the liquid being filled in annular housing 29 in plunger cavity 19, and will be present in the liquid in plunger cavity 19
It is discharged into annular housing 1 or annular housing 3 10 by the way that check valve 18 is discharged, since cam rotates under the drive of shaft 1,
Angular speed is very fast, and since first plunger unit is made of multiple circuit die modules 2, and each circuit die module 2
The volume and size of plunger cavity 19 can be with smallers relative to conventional plunger cavity, the sealing ring 22 and column that are set on the plunger 16
The leakproofness for filling in chamber 19 is preferable, therefore, it is possible to provide larger imbibition pressure and drain pressure, meanwhile, draining flow is also larger.By
In using modularized design mode so that the structure of the present apparatus is simple, safeguards and easy to maintenance, meanwhile, it is easy to remove, have
Stronger versatility.Since the pressure oil duct 3 13 on the pressure oil duct 1 and lower cover 4 on upper cover plate 2 is respectively by the first column
The drain check valve 18 filled in the circuit die module 2 in unit and the second plunger unit carries out fuel feeding, and therefore, which can
To provide two-way mutually independent High voltage output, have broad application prospects.
The cam 1 and 2 26 cross section of cam are circle, are respectively fitted with outside cam 1 and cam 2 26
Bearing 2 27 and bearing 3 28, the outside of bearing 2 27 and the inner end of plunger 16 in the first plunger unit are engaged, bearing three
28 outside and the inner end of plunger 16 in the second plunger unit are engaged.The outside of cam 1 and cam 2 26 is assembled respectively
There are bearing 2 27 and bearing 3 28, plunger 16 is squeezed by bearing outer ring in this way, can also make extruding to avoid the abrasion of cam
Sliding contact process is more smooth, is conducive to the working efficiency for improving plunger unit.
The quantity of circuit die module 2 in first plunger unit and the second plunger unit can be different, can also be identical,
Meanwhile the quantity of circuit die module 2 all in the first plunger unit and the second plunger unit can be made around the circumferential direction of main shaft 1
On be uniformly distributed, better pressure index and draining flow can be provided in this way.For example plunger in the first plunger unit can be made
The quantity of modular pressure 2 is 3, and the quantity of the circuit die module 2 in the second plunger unit is 4.It can also make the first column
The quantity for filling in plunger modular pressure 2 in unit is 5, and the quantity of the circuit die module 2 in the second plunger unit is 5.Make
For preferred embodiment best in the present invention, in order to realize best pressure index and maximum draining flow, the first plunger list
Member and the second plunger unit are made of four circuit die modules 2, circumferential direction of eight circuit die modules 2 around main shaft 1
It is uniformly distributed.
As shown in Fig. 2, for convenience safeguard and assembly, further include annular upper press cover 29 and lower cover 30, upper press cover 29,
The central area of lower cover 30 is respectively provided with first through hole of the internal diameter more than the outer diameter of main shaft 1, the second through-hole, upper cover plate 3, lower cover
5 central area of plate is respectively arranged with through-hole 2 31, through-hole 3 32, and the top of through-hole 2 31, the lower part of through-hole 3 32 are respectively provided with
The inner side and outer side of annular concave platform 1, annular concave platform 2 35, upper press cover 29 is respectively arranged with annular convex platform one and annular convex platform
Two, the inner side and outer side of lower cover 30 is respectively arranged with annular convex platform three and annular convex platform four, and upper press cover 29 is sleeved on bearing 1
Between upper cover plate 3, and annular convex platform one and annular convex platform two are pressed together on outer ring upper surface and the annular concave platform of bearing 1 respectively
On one 34, lower cover 30 is sleeved between bearing 1 and lower cover 5, and annular convex platform three and annular convex platform four are pressed together on respectively
On the outer ring upper surface and annular concave platform 2 35 of bearing 1.Wherein between upper press cover 29 and upper cover plate 3, lower cover 30 and lower cover
It is fixedly connected by bolt between plate 5.
As shown in Fig. 2, in order to improve the stability of the device, the main shaft 1 is in the position of the through-hole 1 of corresponding intermediate plate 4
Install and be equipped with annular convex platform 6 23, between 6 23 upper surface of annular convex platform and cam 1,6 23 lower face of annular convex platform with it is convex
Take turns between 2 26, between one 25 upper surface of cam and the bearing 1 on top, the bearing 1 of 2 26 lower face of cam and lower part it
Between be each equipped with the gasket 24 being sleeved on outside main shaft 1.
As shown in figure 8, in order to keep overall structure more reliable and more stable, meanwhile, also for assembly plunger modular pressure 2, institute
It states the lower face of upper cover plate 3, the upper surface of intermediate plate 4 and lower face and the upper surface of lower cover 5 is both provided with for column
The valve block holding tank 33 that valve block 14 is limited in plug modular pressure 2, valve block holding tank 33 and intermediate plate wherein on upper cover plate 3
The valve block holding tank 33 of 4 upper surfaces coordinates in pairs, wherein the valve of the valve block holding tank 33 on lower cover 5 and 4 lower face of intermediate plate
Block holding tank 33 coordinates in pairs.
When work, pressure medium is supplied by pressure oil passage two in toroidal cavity 28.Pass through motor or other drivings
Device is connected main shaft 1 and is rotated with driving spindle 1, and cam 1 and cam 2 26 are rotated rotating around the rotation center of main shaft 1, rotation
During, cam 1 acts on one by one with the circuit die module 2 in the first plunger unit, when the extruding of cam 1 is therein
When plunger 16 in one circuit die module 2,16 compression reseting spring 15 of plunger and to the one end of plunger cavity 19 far from main shaft 1
Mobile, plunger cavity 19 and coupled logical pressure chamber 20 are all extruded during being somebody's turn to do, and discharge check valve 18 is opened, meanwhile,
It inhales and check valve 17 is closed, there are oil, water or the emulsions in plunger cavity 19 and pressure chamber 20 to be discharged by the way that check valve 18 is discharged
It in annular housing 1, and then is discharged by pressure oil passage 1, when unclamping the plunger being extruded in 2 25 rotation process of cam
When 16, resetting spring 15 acts on plunger 16, and plunger 16 is moved to close to the direction of main shaft 1, is closed to which check valve 18 be discharged,
Sucking check valve 17 is opened, and oil, water or the emulsion supplied in toroidal cavity 29 is inhaled into 17 suction pressure chamber 20 of check valve
In plunger cavity 19, oil, water or the emulsion that this part enters are unidirectional by being discharged during next plunger 16 is extruded
Valve 18 is discharged into toroidal cavity 1.Cam 2 26 acts on one by one with the circuit die module 2 in the second plunger unit, effect
Principle is identical as the process of plunger 16 in the first plunger unit of extruding of cam 1, unlike, cam 2 26 acts on column
When filling in modular pressure 2, oil, water or the emulsion in pressure chamber 20 and plunger cavity 19 are discharged by the way that check valve 18 is discharged
In toroidal cavity 3 10, and it is discharged by pressure oil duct 3 13.
Claims (6)
1. a kind of universal plunger pump of grease, including main shaft（1）With circuit die module（2）, the main shaft（1）Outside is arrived from above
Under be set with upper cover plate successively（3）, intermediate plate（4）And lower cover（5）, which is characterized in that the main shaft（1）With upper cover plate（3）
And lower cover（5）Between be each equipped with bearing one（6）, the intermediate plate（4）Central area be provided with internal diameter be more than main shaft（1）
The through-hole one of outer diameter（7）；
Upper cover plate（3）, intermediate plate（4）And lower cover（5）Inside is respectively arranged with around main shaft（1）Toroidal cavity one（8）, ring
Shape cavity two（9）With toroidal cavity three（10）, upper cover plate（3）On to be provided with connection external with toroidal cavity one（8）Pressure oil
Channel one（11）, it is external with toroidal cavity two that connection is provided on intermediate plate（9）Pressure oil passage two（12）, lower cover（5）
On to be provided with connection external with toroidal cavity three（10）Pressure oil duct three（13）；
The circuit die module（2）By valve block（14）, plunger（16）, sucking check valve（17）With discharge check valve（18）Group
At the valve block（14）Inner end along main shaft（1）Radial direction be disposed with the plunger cavity being connected（19）And pressure chamber（20）,
The plunger（16）It can be slidably arranged in plunger cavity radially（19）In, plunger（16）Convex annular is provided on the outside of inner end
Platform five（21）, the annular convex platform five（21）And valve block（14）Inner end between be equipped with resetting spring（15）, plunger（16）'s
Outer end is radially provided with annular groove, is set in the annular groove and plunger cavity（19）Madial wall is slidingly sealed cooperation
Sealing ring（22）, the discharge check valve（18）With sucking check valve（17）It is securely fitted in valve block respectively（14）Outer end it is upper
Check valve is discharged in portion and lower part（18）Oil inlet end pass through oil discharge passage and pressure chamber（20）Connection sucks check valve（17）'s
Oil outlet end passes through oil inlet passage and plunger cavity（19）Connection；
Upper cover plate（3）And intermediate plate（4）Between, lower cover（5）And intermediate plate（4）Between be respectively fixedly connected with the first plunger list
Member, the second plunger unit；First plunger unit and the second plunger unit are by multiple around main shaft（1）The equally distributed institute of circumferential direction
State circuit die module（2）Composition；
The main shaft（1）In the position of corresponding first plunger unit and the second plunger unit, fixing assembling has cam one respectively respectively
（25）With cam two（26）, cam one（25）With cam two（26）Respectively with plunger in the first plunger unit（16）Inner end and
Plunger in two plunger units（16）Inner end match；
Sucking check valve in first plunger unit（17）Oil inlet end be inserted into intermediate plate（4）Top and pass through suction passage
One with toroidal cavity two（9）It is connected to, the discharge check valve in the first plunger unit（18）Oil outlet end be inserted into upper cover plate（3）'s
Lower part and pass through oil drain passage one and toroidal cavity one（8）It is connected to, the sucking check valve in the second plunger unit（17）Oil inlet
End is inserted into intermediate plate（4）Lower part and pass through suction passage two and toroidal cavity two（9）It is connected to, the row in the second plunger unit
Go out check valve（18）Oil outlet end be inserted into lower cover（5）Top and pass through oil drain passage two and toroidal cavity three（10）Even
It is logical.
2. the universal plunger pump of a kind of grease according to claim 1, which is characterized in that the cam one（25）And cam
Two（26）Cross section be circle, cam one（25）With cam two（26）Outside be respectively fitted with bearing two（27）And bearing
Three（28）, bearing two（27）Outside and the first plunger unit in plunger（16）Inner end be engaged, bearing three（28）It is outer
Side and plunger in the second plunger unit（16）Inner end be engaged.
3. the universal plunger pump of a kind of grease according to claim 2, which is characterized in that the first plunger unit and the second column
Unit is filled in by four circuit die modules（2）Composition, eight circuit die modules（2）Around main shaft（1）It is circumferential uniformly
Distribution.
4. the universal plunger pump of a kind of grease according to any one of claims 1 to 3, which is characterized in that further include annular
Upper press cover（29）And lower cover（30）, upper press cover（29）, lower cover（30）Central area be respectively provided with internal diameter be more than main shaft
（1）The first through hole of outer diameter, the second through-hole, upper cover plate（3）, lower cover（5）Central area is respectively arranged with through-hole two（31）、
Through-hole three（32）, through-hole two（31）Top, through-hole three（32）Lower part be respectively provided with annular concave platform one（34）, annular concave platform two
（35）, upper press cover（29）Inner side and outer side be respectively arranged with annular convex platform one and annular convex platform two, lower cover（30）Inside
It is respectively arranged with annular convex platform three and annular convex platform four, upper press cover with outside（29）It is sleeved on bearing one（6）And upper cover plate（3）It
Between, and annular convex platform one and annular convex platform two are pressed together on bearing one respectively（6）Outer ring upper surface and annular concave platform one（34）On,
Lower cover（30）It is sleeved on bearing one（6）And lower cover（5）Between, and annular convex platform three and annular convex platform four are pressed together on axis respectively
Hold one（6）Outer ring upper surface and annular concave platform two（35）On.
5. the universal plunger pump of a kind of grease according to claim 4, which is characterized in that the main shaft（1）In correspondence
Between plate（4）Through-hole one（7）Position be provided with annular convex platform six（23）, annular convex platform six（23）Upper surface and cam one（25）
Between, annular convex platform six（23）Lower face and cam two（26）Between, cam one（25）The bearing one of upper surface and top（6）It
Between, cam two（26）The bearing one of lower face and lower part（6）Between be each equipped with and be sleeved on main shaft（1）External gasket（24）.
6. the universal plunger pump of a kind of grease according to claim 5, which is characterized in that the upper cover plate（3）Lower end
Face, intermediate plate（4）Upper surface and lower face and lower cover（5）Upper surface be both provided with for circuit die module
（2）Middle valve block（14）The valve block holding tank limited（33）, wherein upper cover plate（3）On valve block holding tank（33）With intermediate plate
（4）The valve block holding tank of upper surface（33）Cooperation, wherein lower cover in pairs（5）On valve block holding tank（33）With intermediate plate（4）
The valve block holding tank of lower face（33）Cooperation in pairs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236054.3A CN106762502B (en) | 2016-12-28 | 2016-12-28 | A kind of universal plunger pump of grease |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236054.3A CN106762502B (en) | 2016-12-28 | 2016-12-28 | A kind of universal plunger pump of grease |
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| Publication Number | Publication Date |
|---|---|
| CN106762502A CN106762502A (en) | 2017-05-31 |
| CN106762502B true CN106762502B (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611236054.3A Active CN106762502B (en) | 2016-12-28 | 2016-12-28 | A kind of universal plunger pump of grease |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917055B (en) * | 2017-12-26 | 2023-07-18 | 浙江三浪润滑科技有限公司 | Plunger mechanism |
| CN108343574B (en) * | 2018-03-20 | 2023-09-22 | 浙江工业大学 | High-pressure variable plunger oil pump system device |
| CN111779669A (en) * | 2020-08-04 | 2020-10-16 | 赣州市闻誉科技有限公司 | Self-suction type water suction pump for low-lying |
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|---|---|---|---|---|
| EP0020811A1 (en) * | 1979-06-13 | 1981-01-07 | Fritz Wegerdt | Positive control for hydrostatic engines, particularly radial-piston engines |
| WO2005068823A1 (en) * | 2004-01-14 | 2005-07-28 | Bosch Corporation | Fuel supply pump |
| CN204371569U (en) * | 2014-12-31 | 2015-06-03 | 东北林业大学 | A kind of radial plunger pump |
| CN104929885A (en) * | 2015-07-07 | 2015-09-23 | 中国航天科技集团公司烽火机械厂 | Radial plunger pump |
| CN105240237A (en) * | 2015-10-29 | 2016-01-13 | 华中科技大学 | Water lubrication plunger pump |
| CN206346874U (en) * | 2016-12-28 | 2017-07-21 | 徐州恒佳机械科技有限公司 | The universal plunger pump of profit |
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2016
- 2016-12-28 CN CN201611236054.3A patent/CN106762502B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0020811A1 (en) * | 1979-06-13 | 1981-01-07 | Fritz Wegerdt | Positive control for hydrostatic engines, particularly radial-piston engines |
| WO2005068823A1 (en) * | 2004-01-14 | 2005-07-28 | Bosch Corporation | Fuel supply pump |
| CN204371569U (en) * | 2014-12-31 | 2015-06-03 | 东北林业大学 | A kind of radial plunger pump |
| CN104929885A (en) * | 2015-07-07 | 2015-09-23 | 中国航天科技集团公司烽火机械厂 | Radial plunger pump |
| CN105240237A (en) * | 2015-10-29 | 2016-01-13 | 华中科技大学 | Water lubrication plunger pump |
| CN206346874U (en) * | 2016-12-28 | 2017-07-21 | 徐州恒佳机械科技有限公司 | The universal plunger pump of profit |
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|---|---|
| CN106762502A (en) | 2017-05-31 |
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