CN206785576U - 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
- CN206785576U CN206785576U CN201720560493.3U CN201720560493U CN206785576U CN 206785576 U CN206785576 U CN 206785576U CN 201720560493 U CN201720560493 U CN 201720560493U CN 206785576 U CN206785576 U CN 206785576U
- Authority
- CN
- China
- Prior art keywords
- driving shaft
- plunger
- locking nut
- housing
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012856 packing Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 12
- 239000003921 oil Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 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
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model provides 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, and driving shaft, cylinder body, plunger, guide rod are additionally provided with housing；The utility model 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 using universal axis connection, 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 length.
Description
Technical field
It the utility model is related 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, pressure oil discharge is formed, be 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.Power takeoff is connected by the power input most domestic of plunger pump using with universal drive shaft with plunger pump, 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 produced at work
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
In place of the utility model is avoids above-mentioned the shortcomings of the prior art, plunger pump input deep groove ball bearing is changed
Into taper roll bearing, plunger pump is set effectively to bear axially and radially load in the occasion using universal axis connection, meanwhile,
The assembling clearance of taper roll 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 on pump housing front end, driving shaft and cylinder are provided with the housing
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 is adjusted
Whole packing ring, 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；The active
Axle bottom 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 balls in center
Nest；
Cylinder base is connected with valve plate, and plunger hole is set in cylinder body, plunger, the ball of plunger top are equipped with plunger hole
Head and the avris ball-and-socket of driving shaft bottom coordinate；
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
It is connected with spring base 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 matches with teeth groove.
The beneficial effects of the utility model are：A kind of locking nut regulation bearing clearance provided by the utility model
Plunger pump there is advantages below：
1. efficiency high, volumetric efficiency is 95% or so, and gross efficiency is 90% or so；
2. unit power is in light weight；
3. structure is novel, integrated level is high, and assembly small volume is in light weight；
4. the occasion of universal axis connection can be applied to well；
5. the assembling clearance of taper roll bearing is adjusted using locking nut, process stabilizing, plunger pump service life
It 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 utility model.
Fig. 2 is the schematic diagram of the utility model locking nut.
Fig. 3 is the schematic diagram of the utility model lock washer.
Fig. 4 is the assembling schematic diagram of the utility model locking nut and lock washer.
Shown in figure：1. driving shaft, 2. locking nuts, 3. bearing adjusting washers, 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 utility model is described in further detail.
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 on the front end of the pump housing 13, driving shaft 1 and cylinder body are provided with housing
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 is adjusted
Whole packing ring 3, the first packing ring 4, taper roll bearing 5, the top middle-end of driving shaft 1 are 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；Driving shaft 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 equally distributed seven sides in center
Side ball-and-socket 25；
The bottom of cylinder body 12 is connected with valve plate 14, and plunger 16, bulb and the active on the top of plunger 16 are provided with cylinder body 12
The avris ball-and-socket of the bottom of axle 1 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, and the bottom of guide rod 9 leads to
Cross spring 10 and spring base 11 is 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；It is stifled by setting
Set 17 and second packing ring 18 to inferior part of the cylinder block so as to preferably seal.
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 matches 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 caused by 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 forms plunger pump main frame structure, seals each part junction position by the first O-ring 8, the second O-ring 15.
Guide rod 9, spring 10, the generation certain pressure of spring base 11 make cylinder body 12 be adjacent on valve plate 14.Taper roll bearing 5 and circular cone
On driving shaft 1, the adjustment of clearance is adjusted roller bearing 7 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
Being not easy to loosen influences the assembling clearance that 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 only illustrating the technical solution of the utility model rather than limit
System, although the utility model is described in detail with reference to example, it will be understood by those within the art that, can be right
The technical solution of the utility model is modified or equivalent substitution, without departing from the spirit and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
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）Front end, set in 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 adjusting washer（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.
A kind of 2. 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.
A kind of 4. 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 |
|---|---|---|---|
| CN201720560493.3U CN206785576U (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 |
|---|---|---|---|
| CN201720560493.3U CN206785576U (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 |
|---|---|
| CN206785576U true CN206785576U (en) | 2017-12-22 |
Family
ID=60712727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720560493.3U Expired - Fee Related CN206785576U (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) | CN206785576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035640A (en) * | 2017-05-19 | 2017-08-11 | 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 CN201720560493.3U patent/CN206785576U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035640A (en) * | 2017-05-19 | 2017-08-11 | 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 |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 |