CN209654183U - A kind of energy-conserving hydraulic pump - Google Patents
A kind of energy-conserving hydraulic pump Download PDFInfo
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- CN209654183U CN209654183U CN201920137491.2U CN201920137491U CN209654183U CN 209654183 U CN209654183 U CN 209654183U CN 201920137491 U CN201920137491 U CN 201920137491U CN 209654183 U CN209654183 U CN 209654183U
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- hydraulic cylinder
- hydraulic
- fixed disk
- crankshaft
- pump
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Abstract
The utility model relates to hydraulic pump technical fields, it is pumped more particularly to a kind of energy-conserving hydraulic, including the pump housing and driving mechanism, the pump housing includes pump case, crankshaft and piston pump assembly, fixed disk is provided in the pump case, the piston pump assembly includes several hydraulic cylinders, piston pump assembly eccentric setting is corresponded on the crankshaft rod journal, the utility model using energy-conserving hydraulic when being pumped, driving mechanism is opened to drive crank rotation, in the rotation process of crankshaft, rod journal rotation will drive bearing movable, because bearing is not coaxial with crankshaft, therefore section hydraulic cylinder elongation, the compression of section hydraulic cylinder, the hydraulic cylinder of elongation unidirectionally flows out valve opening, the unidirectional valve that flows into is closed, hydraulic cylinder oil suction, the hydraulic cylinder of compression unidirectionally flows out valve closing, the unidirectional valve that flows into is opened, hydraulic cylinder oil extraction, when each hydraulic cylinder is simultaneously to the one of fixed disk Hold oil suction, then it is fuel-displaced to the other end of fixed disk when, greatly improve the flow and power of hydraulic pump.
Description
Technical field
The utility model relates to hydraulic pump technical fields, and in particular to a kind of energy-conserving hydraulic pump.
Background technique
Hydraulic pump is the dynamical element of hydraulic system, is that oil is sucked from hydraulic oil container by engine or motor drive
Liquid forms pressure oil discharge, is sent to a kind of element of executive component.Hydraulic pump is divided into gear pump, plunger pump, vane pump by structure
And screw pump.
Hydraulic pump stream on the market is big, and power is big, but compares energy consumption, as common dynamical element, is keeping flow constant
In the case where, energy consumption how is reduced as a problem, it is therefore desirable to a kind of energy-efficient hydraulic pump, instead of existing hydraulic pump.
Utility model content
For the defects in the prior art, the utility model provides a kind of energy-conserving hydraulic pump, in the case where energy consumption is constant,
Improve the flow and power of hydraulic pump.
A kind of energy-conserving hydraulic pump disclosed by the utility model, including the pump housing and driving mechanism, the pump housing include pump case, song
Axis and piston pump assembly are provided at least one fixed disk in the pump case, and the crankshaft passes through the fixed disk in pump case, and bent
The both ends of axis are rotatablely connected with the pump case respectively, and at least side of the fixed disk is provided with piston pump assembly, the piston
Pump assembly includes several hydraulic cylinders, and piston pump assembly eccentric setting is corresponded on the crankshaft rod journal, the pitman shaft
Bearing is arranged on neck, several hydraulic cylinders are circumferentially positioned at the surrounding of the bearing, and the outer end of each hydraulic cylinder is cut with scissors respectively
It connects in fixed disk, the piston rod of each hydraulic cylinder towards inner end and is respectively hinged on the periphery of the bearing, each liquid
The outer end of cylinder pressure is provided with oil inlet and oil outlet, and unidirectional inflow valve, the oil inlet of each hydraulic cylinder are equipped in the oil inlet
Oil inlet passage is accessed, unidirectional outflow valve is provided in the oil outlet, the oil outlet of each hydraulic cylinder accesses oil discharge passage, institute
Driving mechanism is stated for driving crank rotation.
Preferably, the piston pump assembly side opposite with fixed disk is provided with end cap, the oil inlet passage be set on
Annular housing in end cap, the oil discharge passage are the annular housing in the fixed disk, and the hydraulic cylinder leans on proximal cover
Side be provided with oil inlet pillar, the oil inlet is set in oil inlet pillar, the oil inlet pillar be inserted into oil inlet passage and with end
Lid is rotatably assorted, and close to the fuel-displaced pillar in the side of fixed disk, the oil outlet is set in fuel-displaced pillar hydraulic cylinder, described fuel-displaced convex
Column insertion oil discharge passage is simultaneously rotatably assorted with fixed disk.
Preferably, every side of the fixed disk is provided with one group of piston pump assembly.
Preferably, piston pump assembly described in every group is provided with eight hydraulic cylinders.
Preferably, the bearing is rolling bearing.
Preferably, the periphery of the bearing is provided with the c-type card slot axially extended, the piston rod of the hydraulic cylinder it is interior
End is provided with the clamping joint being adapted to the c-type card slot, and the c-type card slot and the clamping joint are clamped.
It preferably, further include pedestal, the pump housing and driving mechanism are respectively mounted on the base.
Preferably, the driving mechanism includes motor, driving wheel, driven wheel and belt, and the driving wheel is coaxially mounted to
On the output shaft of motor, the driven wheel is coaxially mounted to one end of crankshaft, the belt be set in driving wheel and driven wheel it
Between.
The beneficial effects of the utility model are embodied in: when pumping using energy-conserving hydraulic, opening driving mechanism to drive crankshaft
Rotation, in the rotation process of crankshaft, rod journal rotation will drive bearing movable, because bearing is not coaxial with crankshaft, therefore portion
The elongation of liquid separation cylinder pressure, the compression of section hydraulic cylinder, the hydraulic cylinder of elongation unidirectionally flow out valve opening, and the unidirectional valve that flows into is closed, hydraulic cylinder
Oil suction, the hydraulic cylinder of compression unidirectionally flow out valve closing, and the unidirectional valve that flows into is opened, hydraulic cylinder oil extraction, when each hydraulic cylinder simultaneously to
One end oil suction of fixed disk, then it is fuel-displaced to the other end of fixed disk when, greatly improve the flow and power of hydraulic pump.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the schematic perspective view one of the utility model；
Fig. 2 is the schematic perspective view two of the utility model；
Fig. 3 is the stereo-resolution structural schematic diagram of the utility model；
Fig. 4 is the stereo-resolution structural schematic diagram of the utility model piston pump assembly；
Fig. 5 is the local fractionation structural representation of the utility model piston pump assembly；
Fig. 6 is the enlarged diagram in Fig. 5 at A；
Description of symbols: the pump housing 1, pump case 2, crankshaft 3, piston pump assembly 4, fixed disk 5, hydraulic cylinder 6, rod journal 7,
Bearing 8, oil inlet 9, oil outlet 10, oil inlet passage 11, oil discharge passage 12, end cap 13, c-type card slot 14, clamping joint 15, driving machine
Structure 16, motor 17, driving wheel 18, driven wheel 19, belt 20, pedestal 21, piston rod 22.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
Include referring to figs. 1 to a kind of energy-conserving hydraulic pump shown in fig. 6, including the pump housing 1 and driving mechanism 16, the pump housing 1
Pump case 2, crankshaft 3 and piston pump assembly 4, at least one fixed disk 5 is provided in the pump case 2, and the crankshaft 3 passes through pump case 2
Interior fixed disk 5, and the both ends of crankshaft 3 are rotatablely connected with the pump case 2 respectively, at least side of the fixed disk 5 is provided with
Piston pump assembly 4, the piston pump assembly 4 include several hydraulic cylinders 6, correspond to 4 bias of piston pump assembly on the crankshaft 3 and set
It is equipped with rod journal 7, is arranged with bearing 8 on the rod journal 7, several described hydraulic cylinders 6 are circumferentially positioned at the bearing 8
Surrounding, the outer end of each hydraulic cylinder 6 is respectively hinged in fixed disk 5, and the piston rod 22 of each hydraulic cylinder 6 is cut with scissors towards inner end and respectively
It connects on the periphery of the bearing 8, the outer end of each hydraulic cylinder 6 is provided with oil inlet 9 and oil outlet 10, the oil inlet
Unidirectional inflow valve is equipped in mouth 9, the oil inlets 9 of each hydraulic cylinder 6 access oil inlet passage 11, are provided with list in the oil outlet 10
To outflow valve, the oil outlet 10 of each hydraulic cylinder 6 accesses oil discharge passage 12, and the driving mechanism 16 is for driving crankshaft 3 to rotate.
Working principle: when pumping using energy-conserving hydraulic, driving mechanism 16 is opened to drive crankshaft 3 to rotate, in turning for crankshaft 3
During dynamic, the rotation of rod journal 7 will be moved with dynamic bearing 8, and because bearing 8 is not coaxial with crankshaft 3, therefore section hydraulic cylinder 6 is stretched
Long, section hydraulic cylinder 6 compresses, and the hydraulic cylinder 6 of elongation unidirectionally open by outflow valve, and the unidirectional valve that flows into is closed, 6 oil suction of hydraulic cylinder, pressure
The hydraulic cylinder 6 of contracting unidirectionally close by outflow valve, and the unidirectional valve that flows into is opened, 6 oil extraction of hydraulic cylinder, when each hydraulic cylinder 6 is simultaneously to fixation
One end oil suction of disk 5, then it is fuel-displaced to the other end of fixed disk 5 when, greatly improve the flow and power of hydraulic pump.
The piston pump assembly 4 side opposite with fixed disk 5 is provided with end cap 13, and the oil inlet passage 11 is set on end
Annular housing in lid 13, the oil discharge passage 12 are the annular housing in the fixed disk 5, and the hydraulic cylinder 6 is close
The side of end cap 13 is provided with oil inlet pillar, and the oil inlet 9 is set in oil inlet pillar, and the oil inlet pillar is inserted into oil inlet passage
It 11 and is rotatably assorted with end cap 13, hydraulic cylinder 6 is set to fuel-displaced convex close to the fuel-displaced pillar in the side of fixed disk 5, the oil outlet 10
In column, the fuel-displaced pillar insertion oil discharge passage 12 is simultaneously rotatably assorted with fixed disk 5, and oil inlet passage 11 can be in end cap 13
Oil suction is carried out in annular housing, the oil discharge passage 12 after oil suction again in fixed disk 5 is fuel-displaced.
Every side of the fixed disk 5 is provided with one group of piston pump assembly 4,4 oil suction of piston pump assembly of 5 two sides of fixed disk
Direction it is consistent, fuel-displaced direction is also the same consistent, and two groups of piston pump assemblies 4 double power.
Piston pump assembly 4 described in every group is provided with eight hydraulic cylinders 6, and eight hydraulic cylinders 6 arrange most preferably, the every rotation of bearing 8
One circle, drives eight hydraulic cylinders 6 to move once.
The bearing 8 is rolling bearing 8, and rolling bearing 8 can rotate around rod journal 7, be convenient between hydraulic cylinder 6
It is connected with each other movement.
The periphery of the bearing 8 is provided with the c-type card slot 14 axially extended, the piston rod 22 of the hydraulic cylinder 6 it is interior
End is provided with the clamping joint 15 being adapted to the c-type card slot 14, and the c-type card slot 14 is clamped with the clamping joint 15, piston rod
Clamping joint 15 on 22 can just be connected on c-type card slot 14, therefore piston rod 22 keeps connecting with bearing 8 always.
It further include pedestal 21, the pump housing 1 and driving mechanism 16 are installed on the pedestal 21.
The driving mechanism 16 includes motor 17, driving wheel 18, driven wheel 19 and belt 20, and the driving wheel 18 is coaxially pacified
On the output shaft of motor 17, the driven wheel 19 is coaxially mounted to one end of crankshaft 3, and the belt 20 is set in driving wheel
Between 18 and driven wheel 19, motor 17 is opened, the rotation of 17 output shaft of motor will drive driving wheel 18 to rotate, and driving wheel 18 rotates again
Belt 20 and driven wheel 19 can be driven to rotate, final band dynamic crankshaft 3 rotates.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (8)
1. a kind of energy-conserving hydraulic pump, including the pump housing (1) and driving mechanism (16), it is characterised in that: the pump housing (1) includes pump case
(2), crankshaft (3) and piston pump assembly (4), the pump case (2) is interior to be provided at least one fixed disk (5), and the crankshaft (3) is worn
The fixed disk (5) in pump case (2) is crossed, and the both ends of crankshaft (3) are rotatablely connected with the pump case (2) respectively, the fixed disk (5)
At least side be provided with piston pump assembly (4), the piston pump assembly (4) includes several hydraulic cylinders (6), the crankshaft
(3) piston pump assembly (4) eccentric setting is corresponded on to be had rod journal (7), is arranged with bearing (8) on the rod journal (7), if
The dry hydraulic cylinder (6) is circumferentially positioned at the surrounding of the bearing (8), and the outer end of each hydraulic cylinder (6) is respectively hinged at fixation
On disk (5), the piston rod (22) of each hydraulic cylinder (6) towards inner end and is respectively hinged on the periphery of the bearing (8), Mei Gesuo
The outer end for stating hydraulic cylinder (6) is provided with oil inlet (9) and oil outlet (10), and unidirectional inflow valve is equipped in the oil inlet (9),
The oil inlet (9) of each hydraulic cylinder (6) accesses oil inlet passage (11), unidirectional outflow valve is provided in the oil outlet (10), respectively
The oil outlet (10) of hydraulic cylinder (6) accesses oil discharge passage (12), and the driving mechanism (16) is for driving crankshaft (3) to rotate.
2. a kind of energy-conserving hydraulic pump according to claim 1, it is characterised in that: the piston pump assembly (4) and fixed disk
(5) opposite side is provided with end cap (13), and the oil inlet passage (11) is annular housing in end cap (13), it is described go out
Oily channel (12) is the annular housing in the fixed disk (5), and the hydraulic cylinder (6) is arranged by the side of proximal cover (13)
There is oil inlet pillar, the oil inlet (9) is set in oil inlet pillar, oil inlet pillar insertion oil inlet passage (11) and and end cap
(13) it is rotatably assorted, hydraulic cylinder (6) is close to the fuel-displaced pillar in side of fixed disk (5), and the oil outlet (10) is set on fuel-displaced pillar
Interior, fuel-displaced pillar insertion oil discharge passage (12) is simultaneously rotatably assorted with fixed disk (5).
3. a kind of energy-conserving hydraulic pump according to claim 2, it is characterised in that: every side of the fixed disk (5) is respectively provided with
There is one group of piston pump assembly (4).
4. a kind of energy-conserving hydraulic pump according to claim 3, it is characterised in that: the setting of piston pump assembly (4) described in every group
There are eight hydraulic cylinders (6).
5. a kind of energy-conserving hydraulic pump according to claim 1, it is characterised in that: the bearing (8) is rolling bearing (8).
6. a kind of energy-conserving hydraulic pump according to claim 1 or 5, it is characterised in that: the periphery of the bearing (8) is provided with
The c-type card slot (14) axially extended, the inner end of the piston rod (22) of the hydraulic cylinder (6) are provided with and the c-type card slot
(14) clamping joint (15) being adapted to, the c-type card slot (14) and the clamping joint (15) are clamped.
7. a kind of energy-conserving hydraulic pump according to claim 1, it is characterised in that: it further include pedestal (21), the pump housing (1)
It is installed on the pedestal (21) with driving mechanism (16).
8. a kind of energy-conserving hydraulic pump according to claim 7, it is characterised in that: the driving mechanism (16) includes motor
(17), driving wheel (18), driven wheel (19) and belt (20), the driving wheel (18) are coaxially mounted to the output shaft of motor (17)
On, the driven wheel (19) is coaxially mounted to one end of crankshaft (3), and the belt (20) is set in driving wheel (18) and driven wheel
(19) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137491.2U CN209654183U (en) | 2019-01-25 | 2019-01-25 | A kind of energy-conserving hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137491.2U CN209654183U (en) | 2019-01-25 | 2019-01-25 | A kind of energy-conserving hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654183U true CN209654183U (en) | 2019-11-19 |
Family
ID=68522684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920137491.2U Active CN209654183U (en) | 2019-01-25 | 2019-01-25 | A kind of energy-conserving hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339254A (en) * | 2021-07-13 | 2021-09-03 | 哈尔滨理工大学 | New-type fracturing pump fluid end damping device |
-
2019
- 2019-01-25 CN CN201920137491.2U patent/CN209654183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339254A (en) * | 2021-07-13 | 2021-09-03 | 哈尔滨理工大学 | New-type fracturing pump fluid end damping device |
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