CN107035640A - A kind of plunger pump that bearing clearance is adjusted with locking nut - Google Patents
A kind of plunger pump that bearing clearance is adjusted with locking nut Download PDFInfo
- Publication number
- CN107035640A CN107035640A CN201710356383.XA CN201710356383A CN107035640A CN 107035640 A CN107035640 A CN 107035640A CN 201710356383 A CN201710356383 A CN 201710356383A CN 107035640 A CN107035640 A CN 107035640A
- Authority
- CN
- China
- Prior art keywords
- driving shaft
- plunger
- locking nut
- housing
- plunger pump
- 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.)
- Pending
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
- 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
- F04B1/24—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 inclined to the main shaft axis
-
- 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
Abstract
The present invention provides in a kind of Novel plunger pump that bearing clearance is adjusted with locking nut, including housing and the valve plate for being arranged at housing bottom, housing and is additionally provided with driving shaft, cylinder body, plunger, guide rod；The present invention changes plunger pump input deep groove ball bearing into taper roll bearing, plunger pump is set effectively to bear axially and radially load in the occasion connected using universal drive shaft, simultaneously, the assembling clearance of taper roll bearing is adjusted using locking nut, integrated level is high, assembly small volume, process stabilizing, plunger pump service life is long.
Description
Technical field
The present invention relates to a kind of plunger pump, more particularly to a kind of plunger pump that bearing clearance is adjusted with locking nut.
Background technology
Plunger pump is the dynamical element of hydraulic system, is to be driven by engine or motor, oil is sucked from hydraulic oil container
Liquid, forms pressure oil discharge, is sent to a kind of Hydraulic Elements of the executive components such as oil cylinder or hydraulic motor.With the hair of national economy
Exhibition and market are to the diversified demand of vehicle functions, and domestic special-purpose vehicle market is original such as transport van, storehouse grating transport vehicle
Progressively developed with onboard hydraulic system Deng simple cargo transport class vehicle to realize the special-purpose vehicle of specific function, such as hook arm car, with
Car crane, kitchen garbage compression vehicle etc..Such vehicle all carries onboard hydraulic system, and plunger pump is present as dynamical element
's.The power input most domestic of plunger pump, which is used, is connected power takeoff with plunger pump with universal drive shaft, and realization is started
Driving of the mechanomotive force to plunger pump.It is limited by the design of refitted car producer and the level of installation, the production of vehicle operation universal drive shaft
Raw radial direction and axial load applies periodic overload to plunger pump input deep groove ball bearing, hydraulic pump is operationally produced
Noise is shaken, and then produces initial failure.
In view of the above, it is necessary to provide a kind of efficiency higher press-loading device.
The content of the invention
The present invention changes plunger pump input deep groove ball bearing into circle to avoid the weak point that above-mentioned prior art is present
Taper roller bearing, enables plunger pump effectively to bear axially and radially load in the occasion connected using universal drive shaft, meanwhile, circular cone
The assembling clearance of roller bearing is adjusted using locking nut.
A kind of plunger pump that bearing clearance is adjusted with locking nut, including housing and the flow for being arranged at housing bottom
Disk；
Housing includes the pump housing and protecgulum, and the protecgulum is arranged in pump housing front end, the housing and is provided with driving shaft and cylinder body；
It is connected between the pump housing and cylinder body by the second O-ring；
Pump housing front center is provided with driving shaft, and driving shaft top front end is disposed with locking nut, bearing adjusting pad
Circle, the first packing ring, taper roll bearing, driving shaft top middle-end are connected with taper roll bearing；
Driving shaft lower front part sets gradually lock washer, oil sealing, hole back-up ring, oil sealing, the 3rd O-ring；Under the driving shaft
Portion's middle-end is symmetrically arranged with taper roll bearing with top middle-end；
Driving shaft bottom is provided with eight ball-and-sockets：One central shaft ball-and-socket and along the equally distributed seven avris ball-and-sockets in center；
Cylinder base is connected with valve plate, sets in cylinder body and plunger is equipped with plunger hole, plunger hole, the bulb of plunger top with
The avris ball-and-socket of driving shaft bottom coordinates；
Guide rod is provided with the central shaft of valve plate, guide rod top coordinates with central shaft ball-and-socket, and guide rod bottom passes through spring and bullet
Spring abutment is connected with valve plate；
Improvement to above-mentioned technical proposal：Cylinder base is additionally provided with second packing ring and block sets.
Improvement to above-mentioned technical proposal：It is connected between the pump housing and protecgulum by the first O-ring.
Improvement to above-mentioned technical proposal：Locking nut circumferencial direction is evenly equipped with four teeth groove, lock washer inside circumference
Set with teeth, tooth is matched with teeth groove.
The beneficial effects of the present invention are：A kind of plunger pump that bearing clearance is adjusted with locking nut provided by the present invention
With advantages below：
1. efficiency high, volumetric efficiency is 95% or so, gross efficiency is 90% or so；
2. unit power is lightweight；
3. structure is novel, integrated level is high, and assembly small volume is lightweight；
4. the occasion that universal drive shaft is connected can be applied to well；
5. the assembling clearance of taper roll bearing is adjusted using locking nut, process stabilizing, plunger pump service life is long.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram for the plunger pump that bearing clearance is adjusted with locking nut of the present invention.
Fig. 2 is the schematic diagram of locking nut of the present invention.
Fig. 3 is the schematic diagram of lock washer of the present invention.
Fig. 4 is the assembling schematic diagram of locking nut of the present invention and lock washer.
Shown in figure：1. driving shaft, 2. locking nuts, 3. bearings adjustment packing ring, 4. first packing rings, the rolling of 5. circular cones
Sub- bearing, 6. protecgulums, 7. taper roll bearings, 8. first O-rings, 9. guide rods, 10. springs, 11. spring bases, 12.
Cylinder body, 13. pump housings, 14. valve plates, 15. second O-rings, 16. plungers, 17. block sets, 18. second packing rings, 19. the 3rd
O-ring, 20. oil sealings, 21. hole back-up rings, 22. oil sealings, 23. lock washers, 24. central shaft ball-and-sockets, 25. avris balls
Nest, 26. plunger holes, 27. teeth groove, 28. positioning tooths.
Embodiment
With reference to specific drawings and examples, the invention will be further described.
As shown in Figure 1：A kind of inner core press-loading device, including：A kind of plunger pump that bearing clearance is adjusted with locking nut, bag
Include housing and be arranged at the valve plate 14 of housing bottom；
Housing includes the pump housing 13 and protecgulum 6, and protecgulum 6 is arranged in the front end of the pump housing 13, housing and is provided with driving shaft 1 and cylinder body 12.
It is connected between the pump housing 13 and cylinder body 12 by the second O-ring 15；
The front center of the pump housing 13 is provided with driving shaft 1, and the top front end of driving shaft 1 is disposed with locking nut 2, bearing adjusting pad
The 3, first packing ring 4, taper roll bearing 5 are enclosed, the top middle-end of driving shaft 1 is connected with taper roll bearing 7；
The lower front part of driving shaft 1 sets gradually lock washer 23, oil sealing 22, hole back-up ring 21, oil sealing 20, the 3rd O-ring 19；It is main
Moving axis bottom middle-end is symmetrically arranged with taper roll bearing 7 with top middle-end；
The bottom of driving shaft 1 is provided with eight ball-and-sockets：One central shaft ball-and-socket 24 and along the equally distributed seven avris balls in center
Nest 25；
The bottom of cylinder body 12 is connected with valve plate 14, and plunger 16, bulb and the bottom of driving shaft 1 on the top of plunger 16 are provided with cylinder body 12
The avris ball-and-socket at end coordinates；
Guide rod 9 is provided with the central shaft of valve plate 14, the top of guide rod 9 coordinates with central shaft ball-and-socket 24, the bottom of guide rod 9 passes through bullet
Spring 10 and spring base 11 are connected with valve plate 14；
Improvement to above-mentioned technical proposal：The bottom of cylinder body 12 is additionally provided with second packing ring 18 and block sets 17；By setting block sets 17
With second packing ring 18 so as to preferably be sealed to inferior part of the cylinder block.
Improvement to above-mentioned technical proposal：It is connected between the pump housing 13 and protecgulum 6 by the first O-ring 8.
Improvement to above-mentioned technical proposal：Locking nut circumferencial direction is evenly equipped with four teeth groove 27, the inner side of lock washer 23
Circumference is provided with positioning tooth 28, and positioning tooth 28 is matched with teeth groove 27.
As shown in Fig. 2 concrete operating principle is；Driving shaft 1 obtains power, the bulb of plunger 16 by universal drive shaft from power takeoff
It is connected with ball-and-socket on driving shaft 1, driving shaft 1 can drive plunger 16 to rotate when rotating.The bar portion of plunger 16 inserts the plunger hole of cylinder body 12
It is interior, plunger 16 rotate when by the bar portion face of cylinder with the plunger hole inwall of cylinder body 12 mutually rub generation frictional force drive 12 turns of cylinder body
It is dynamic.Reciprocating motion of the plunger 16 in cylinder body 12 realizes that mechanical energy is converted into hydraulic energy by plunger pump.Protecgulum 6, the pump housing 13 and match somebody with somebody
Flow table 14 constitutes plunger pump main frame structure, and each part junction position is sealed by the first O-ring 8, the second O-ring 15.
Guide rod 9, spring 10, spring base 11, which produce certain pressure, makes cylinder body 12 be adjacent on valve plate 14.Taper roll bearing 5 and circular cone
Roller bearing 7 is on driving shaft 1, and the adjustment of clearance is adjusted by applying certain screw-down torque to locking nut 2 by bearing
Packing ring 3 is pressed on taper roll bearing 5, taper roll bearing 5 and taper roll bearing 7 is set a rational assembling trip
Gap.There is positioning tooth 28 to be stuck in the teeth groove of locking nut 2 on lock washer 23, make locking nut 2 in plunger pump work
It is not easy to loosen the assembling clearance that influence bearing is set.Oil sealing 20, oil sealing 22, the 3rd O-ring 19 are the rotations of plunger pump front end
Position sealing.
It should be noted last that, above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (4)
1. a kind of plunger pump that bearing clearance is adjusted with locking nut, including housing and the valve plate for being arranged at housing bottom
(14)；
The housing includes the pump housing（13）And protecgulum（6）, the protecgulum（6）It is arranged on the pump housing（13）Set in front end, the housing
It is equipped with driving shaft（1）And cylinder body（12）；
The pump housing（13）With cylinder body（12）Between by the second O-ring 15 be connected；
The pump housing（13）Front center is provided with driving shaft（1）, the driving shaft（1）Top front end is disposed with locking screw
It is female（2）, bearing adjustment packing ring（3）, the first packing ring（4）, taper roll bearing（5）, the driving shaft（1）Top middle-end is connected with
Taper roll bearing（7）；
The driving shaft（1）Lower front part sets gradually lock washer（23）, oil sealing（22）, hole back-up ring（21）, oil sealing（20）
With the 3rd O-ring（19）；The driving shaft（1）Bottom middle-end is symmetrically arranged with taper roll bearing with top middle-end（7）；
The driving shaft（1）Bottom is provided with eight ball-and-sockets：One central shaft ball-and-socket（24）With along center equally distributed seven
Individual avris ball-and-socket（25）；
The cylinder body（12）Bottom and valve plate（14）Connection, cylinder body（12）Interior setting plunger hole（26）, plunger hole（26）It is built-in
Equipped with plunger（16）, plunger（16）The bulb and driving shaft on top（1）The avris ball-and-socket of bottom（25）Coordinate；
The valve plate（14）Central shaft on be provided with guide rod（9）, the guide rod（9）Top and central shaft ball-and-socket（24）Match somebody with somebody
Close, guide rod（9）Bottom passes through spring（10）And spring base（11）With valve plate（14）It is connected.
2. a kind of plunger pump that bearing clearance is adjusted with locking nut as claimed in claim 1, it is characterised in that the cylinder body
Bottom is additionally provided with second packing ring（18）And block sets（17）.
3. a kind of plunger pump that bearing clearance is adjusted with locking nut as claimed in claim 1 or 2, it is characterised in that described
The pump housing（13）With protecgulum（6）Between pass through the first O-ring（8）It is connected.
4. a kind of plunger pump that bearing clearance is adjusted with locking nut as claimed in claim 1, it is characterised in that the locking
Nut（2）Circumferencial direction is evenly equipped with four teeth groove（27）, the lock washer（23）Inside circumference is provided with positioning tooth（28）, institute
State positioning tooth（28）With teeth groove（27）Matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710356383.XA CN107035640A (en) | 2017-05-19 | 2017-05-19 | A kind of plunger pump that bearing clearance is adjusted with locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710356383.XA CN107035640A (en) | 2017-05-19 | 2017-05-19 | A kind of plunger pump that bearing clearance is adjusted with locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107035640A true CN107035640A (en) | 2017-08-11 |
Family
ID=59539466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710356383.XA Pending CN107035640A (en) | 2017-05-19 | 2017-05-19 | A kind of plunger pump that bearing clearance is adjusted with locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107035640A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638578A (en) * | 1979-09-04 | 1981-04-13 | Mitsubishi Heavy Ind Ltd | Plunger pump |
| CN101021212A (en) * | 2006-06-23 | 2007-08-22 | 贵州力源液压股份有限公司 | Electric control method and electric control device for plunger variable hydraulic pump |
| CN101435417A (en) * | 2008-12-12 | 2009-05-20 | 北京理工大学 | Hydraulic transformer for increasing voltage ratio regulation scope |
| CN101539128A (en) * | 2009-04-24 | 2009-09-23 | 上海电气液压气动有限公司 | Improved hydraulic clino-axial piston pump or motor |
| CN205652207U (en) * | 2016-06-02 | 2016-10-19 | 安徽江淮汽车股份有限公司 | Non -maintaining steering linkage swing arm assembly |
| CN206785576U (en) * | 2017-05-19 | 2017-12-22 | 无锡英特帕普威孚液压有限责任公司 | A kind of plunger pump that bearing clearance is adjusted with locking nut |
-
2017
- 2017-05-19 CN CN201710356383.XA patent/CN107035640A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638578A (en) * | 1979-09-04 | 1981-04-13 | Mitsubishi Heavy Ind Ltd | Plunger pump |
| CN101021212A (en) * | 2006-06-23 | 2007-08-22 | 贵州力源液压股份有限公司 | Electric control method and electric control device for plunger variable hydraulic pump |
| CN101435417A (en) * | 2008-12-12 | 2009-05-20 | 北京理工大学 | Hydraulic transformer for increasing voltage ratio regulation scope |
| CN101539128A (en) * | 2009-04-24 | 2009-09-23 | 上海电气液压气动有限公司 | Improved hydraulic clino-axial piston pump or motor |
| CN205652207U (en) * | 2016-06-02 | 2016-10-19 | 安徽江淮汽车股份有限公司 | Non -maintaining steering linkage swing arm assembly |
| CN206785576U (en) * | 2017-05-19 | 2017-12-22 | 无锡英特帕普威孚液压有限责任公司 | A kind of plunger pump that bearing clearance is adjusted with locking nut |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170811 |