CN215719274U - High-pressure axial plunger pump - Google Patents
High-pressure axial plunger pump Download PDFInfo
- Publication number
- CN215719274U CN215719274U CN202121524798.1U CN202121524798U CN215719274U CN 215719274 U CN215719274 U CN 215719274U CN 202121524798 U CN202121524798 U CN 202121524798U CN 215719274 U CN215719274 U CN 215719274U
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- China
- Prior art keywords
- fixedly connected
- pump body
- pressure axial
- pump
- flanges
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- Expired - Fee Related
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- 238000009826 distribution Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
The utility model discloses a high-pressure axial plunger pump which comprises a pump body, wherein a swash plate is arranged inside the pump body, an end cover is arranged on the left side of the pump body, a motor is fixedly connected to the inner side wall of the end cover, a connecting piece is fixedly connected to the output end of the motor, the output end of the connecting piece, far away from the motor, is fixedly connected with the outer surface of the swash plate, flanges are fixedly connected to the surfaces of the end cover and the pump body, bolts are arranged inside the flanges, penetrate through the flanges, nuts are movably connected to the surfaces of the bolts, which are positioned on the right side of the flanges, a bearing seat is fixedly connected to the inner surface of the pump body, a valve plate is fixedly connected to the inner surface of the bearing seat, and a plunger rod is movably connected to the inner part of the valve plate. The device has simple and reasonable structure, can well overcome the defects of the prior art, effectively improves the adjustment precision of the swash plate, and is favorable for accurately controlling the flow rate of the plunger pump.
Description
Technical Field
The utility model relates to the technical field of plunger pumps, in particular to a high-pressure axial plunger pump.
Background
The axial plunger pump adopts the oil distribution disc to distribute oil, the cylinder body rotates, and the swash plate type axial plunger pump depends on variable head variables, the pump adopts the design of the optimal oil film thickness of hydrostatic balance, so that the cylinder body and the oil distribution disc, the piston shoes and the variable head run under pure liquid friction, and the axial plunger pump has the advantages of simple structure, small volume, low noise, high efficiency, long service life, self-absorption capability and the like, has various variable forms to meet the requirements of users, and is widely applied to machines such as forging and pressing machine tools, metallurgy, engineering, mines, ships and the like and other hydraulic transmission systems.
The applicant finds that a Chinese patent discloses an ultrahigh pressure axial plunger pump through retrieval when applying the utility model, the application number of which is 201621128206.3, the patent mainly forms an internal oil circuit and an external oil circuit, namely a double oil circuit, by adopting cylinder holes which are uniformly distributed in a staggered way and inner oil holes and outer oil holes which are distributed alternately, the series connection of the oil circuits is formed in principle, so that the pressure of output fluid is changed, the pressure grade of the pump is improved by 1 time, and the purpose of super pressure above 63MP is achieved, although the patent improves the pressure improvement which hinders the plunger pump in the specification, the angle adjusting precision of the swash plate is lower in the actual use process, and the disassembly and the maintenance are inconvenient, therefore, according to the utility model of the applicant, the plunger pump which can improve the angle adjusting precision of the swash plate is provided, the problem that the angle adjusting precision of the swash plate is lower in the actual use process is solved, and simultaneously, the disassembly, the assembly and the maintenance are inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a high-pressure axial plunger pump.
In order to achieve the purpose, the utility model adopts the following technical scheme: a high-pressure axial plunger pump comprises a pump body, wherein a swash plate is arranged inside the pump body, an end cover is arranged on the left side of the pump body, a motor is fixedly connected to the inner side wall of the end cover, a connecting piece is fixedly connected to the output end of the motor, and the output end, far away from the motor, of the connecting piece is fixedly connected with the outer surface of the swash plate;
the surface of the end cover and the surface of the pump body are fixedly connected with flanges, bolts are arranged inside the flanges and penetrate through the flanges, and nuts are movably connected to the surfaces of the bolts and the right sides of the flanges.
As a further description of the above technical solution:
the inner surface of the pump body is fixedly connected with a bearing seat, the inner surface of the bearing seat is fixedly connected with a valve plate, and a plunger rod is movably connected inside the valve plate.
As a further description of the above technical solution:
one end of the plunger rod is fixedly connected with a ball head, the interior of the swash plate is movably connected with a matching block, and the matching block is movably connected with the surface of the ball head.
As a further description of the above technical solution:
the inside of the pump body is provided with the drive shaft, the surface of drive shaft and be close to left side edge and the inside of valve plate all seted up the second keyway.
As a further description of the above technical solution:
the inside swing joint of second keyway has the mounting key, the surface of drive shaft and be close to right side edge and seted up first keyway.
As a further description of the above technical solution:
the inside wall of the pump body just is located the right side fixedly connected with flow distribution plate of valve plate, the right surface of flow distribution plate just is close to top fixedly connected with inlet pipe, the one end of inlet pipe extends to the outside of the pump body.
As a further description of the above technical solution:
the right surface of reposition of redundant personnel dish just is close to bottom fixedly connected with discharging pipe, the one end of discharging pipe extends to the outside of the pump body.
As a further description of the above technical solution:
the left surface of the splitter plate is in contact with the right surface of the port plate, and the splitter plate and the port plate are sealed through a sealing gasket.
The utility model has the following beneficial effects:
1. compared with the prior art, the high-pressure axial plunger pump has the advantages that the structure is simple and reasonable, the defects in the prior art can be well overcome, the adjusting precision of the swash plate is effectively improved, and the flow rate of the plunger pump can be accurately controlled.
2. Compared with the prior art, the high-pressure axial plunger pump is fixed by the aid of the end covers and the bolts and the nuts, the disassembly and assembly difficulty of the pump body can be effectively improved, and the plunger pump is favorably disassembled, assembled and maintained.
Drawings
Fig. 1 is a perspective view of an external structure of a high-pressure axial plunger pump according to the present invention;
FIG. 2 is a front view of the internal structure of a high pressure axial plunger pump according to the present invention;
fig. 3 is an elevation view of the external structure of a high-pressure axial plunger pump according to the present invention.
Illustration of the drawings:
1. a pump body; 2. an end cap; 3. a bearing seat; 4. a valve plate; 5. a diverter tray; 6. a feed pipe; 7. a drive shaft; 8. a first keyway; 9. a discharge pipe; 10. a second keyway; 11. installing a key; 12. a plunger rod; 13. a ball head; 14. preparing blocks; 15. a swash plate; 16. a motor; 17. a connecting member; 18. a bolt; 19. a nut; 20. and (4) a flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a high pressure axial plunger pump: the swash plate type flow control device comprises a pump body 1, wherein a swash plate 15 is arranged inside the pump body 1, an end cover 2 is arranged on the left side of the pump body 1, a motor 16 is fixedly connected to the inner side wall of the end cover 2, a connecting piece 17 is fixedly connected to the output end of the motor 16, the output end, far away from the motor 16, of the connecting piece 17 is fixedly connected with the outer surface of the swash plate 15, the angle of the swash plate 15 can be conveniently and accurately adjusted, the flow rate can be accurately controlled, and the motor 16 is a servo motor;
the end cover 2 and the surface of the pump body 1 are fixedly connected with a flange 20, a bolt 18 is arranged inside the flange 20, the bolt 18 penetrates through the flange 20, and a nut 19 is movably connected to the surface of the bolt 18 and the right side of the flange 20, so that the device can be conveniently disassembled, assembled and maintained.
The inner surface of the pump body 1 is fixedly connected with a bearing seat 3, the inner surface of the bearing seat 3 is fixedly connected with a valve plate 4, and a plunger rod 12 is movably connected inside the valve plate 4, so that the function of conveniently conveying fluid is achieved.
One end of the plunger rod 12 is fixedly connected with a ball head 13, the interior of the swash plate 15 is movably connected with a matching block 14, and the matching block 14 is movably connected with the surface of the ball head 13 to play a role in conveniently adjusting the angle of the swash plate 15.
The inside of the pump body 1 is provided with drive shaft 7, and second keyway 10 has all been seted up on the surface of drive shaft 7 and the inside of being close to left side edge and port plate 4, plays and makes things convenient for the drive port plate to carry out pivoted effect.
The inside swing joint of second keyway 10 has mounting key 11, and the surface of drive shaft 7 just is close to right side edge and has seted up first keyway 8, plays the effect that improves the transmission moment of torsion.
The inside wall of the pump body 1 and the right side fixedly connected with diverter plate 5 that is located the valve plate 4, the right surface of diverter plate 5 just is close to top fixedly connected with inlet pipe 6, and the one end of inlet pipe 6 extends to the outside of the pump body 1, plays the effect that makes things convenient for the fluid to get into.
The right surface of flow distribution plate 5 is close to bottom fixedly connected with discharging pipe 9, and the outside of discharging pipe 9 extension to the pump body 1 plays the effect that makes things convenient for fluid discharge.
The left surface of the splitter plate 5 is contacted with the right surface of the port plate 4, and the splitter plate 5 and the port plate 4 are sealed through a sealing gasket, so that the sealing performance is conveniently improved.
The working principle is as follows: during the use, through driving drive shaft 7 and then drive valve plate 4 and rotate, cavity that plunger rod 12 and valve plate 4's inside formation volume differ this moment for carry discharging pipe 9 with the fluid in the inlet pipe 6 and discharge, drive sloping cam plate 15 through starter motor 16, and then adjust sloping cam plate 15's inclination, thereby adjust the velocity of flow of plunger pump.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. A high-pressure axial plunger pump, comprising a pump body (1), characterized in that: the swash plate (15) is arranged inside the pump body (1), the end cover (2) is arranged on the left side of the pump body (1), the inner side wall of the end cover (2) is fixedly connected with a motor (16), the output end of the motor (16) is fixedly connected with a connecting piece (17), and the output end, far away from the motor (16), of the connecting piece (17) is fixedly connected with the outer surface of the swash plate (15);
the pump is characterized in that the surfaces of the end cover (2) and the pump body (1) are fixedly connected with flanges (20), bolts (18) are arranged inside the flanges (20), the bolts (18) penetrate through the flanges (20), and nuts (19) are movably connected to the surfaces of the bolts (18) and located on the right sides of the flanges (20).
2. A high pressure axial piston pump as claimed in claim 1, wherein: the inner surface of the pump body (1) is fixedly connected with a bearing seat (3), the inner surface of the bearing seat (3) is fixedly connected with a valve plate (4), and a plunger rod (12) is movably connected inside the valve plate (4).
3. A high pressure axial piston pump according to claim 2, wherein: one end of the plunger rod (12) is fixedly connected with a ball head (13), a matching block (14) is movably connected inside the swash plate (15), and the matching block (14) is movably connected with the surface of the ball head (13).
4. A high pressure axial piston pump according to claim 2, wherein: the pump body (1) is provided with drive shaft (7) in inside, second keyway (10) have all been seted up on the surface of drive shaft (7) and the inside of being close to left side edge and valve plate (4).
5. A high pressure axial piston pump according to claim 4, wherein: the inside swing joint of second keyway (10) has mounting key (11), first keyway (8) have been seted up on the surface of drive shaft (7) and near right side edge.
6. A high pressure axial piston pump as claimed in claim 1, wherein: the inside wall of the pump body (1) and the right side fixedly connected with flow distribution plate (5) that is located valve plate (4), the right surface of flow distribution plate (5) just is close to top fixedly connected with inlet pipe (6), the one end of inlet pipe (6) extends to the outside of the pump body (1).
7. A high pressure axial piston pump according to claim 6, wherein: the right surface of reposition of redundant personnel dish (5) just is close to bottom fixedly connected with discharging pipe (9), the one end of discharging pipe (9) extends to the outside of the pump body (1).
8. A high pressure axial piston pump according to claim 7, wherein: the left surface of the flow distribution plate (5) is in contact with the right surface of the flow distribution plate (4), and the flow distribution plate (5) and the flow distribution plate (4) are sealed through a sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121524798.1U CN215719274U (en) | 2021-07-06 | 2021-07-06 | High-pressure axial plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121524798.1U CN215719274U (en) | 2021-07-06 | 2021-07-06 | High-pressure axial plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215719274U true CN215719274U (en) | 2022-02-01 |
Family
ID=80047404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121524798.1U Expired - Fee Related CN215719274U (en) | 2021-07-06 | 2021-07-06 | High-pressure axial plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215719274U (en) |
-
2021
- 2021-07-06 CN CN202121524798.1U patent/CN215719274U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |