CN109931238A - A kind of wobbler shaft axial plunger pump - Google Patents
A kind of wobbler shaft axial plunger pump Download PDFInfo
- Publication number
- CN109931238A CN109931238A CN201910261713.6A CN201910261713A CN109931238A CN 109931238 A CN109931238 A CN 109931238A CN 201910261713 A CN201910261713 A CN 201910261713A CN 109931238 A CN109931238 A CN 109931238A
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- plunger
- swash plate
- shell
- armature spindle
- axial
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Abstract
The present invention relates to a kind of coaxial sloping tray axial plunger pistons to pump, and the plunger pump includes upper end cover, swash plate armature spindle, plunger, plunger spring, shell and lower cover；The coaxial sloping tray axial plunger piston pump, swash plate rotor spindle structure thereon is special, and axle center and plunger axis parallel have saved spatial position, shortened axial length；The coaxial sloping tray axial plunger piston pump configuration is simple, has the advantages that flow is big, small in size and noise vibration is small, manufacturing cost is low and applied widely.
Description
Technical field
The present invention relates to the axial plunger pump in hydraulic system, specially a kind of axial plunger pump equipped with wobbler shaft and its
Working principle.
Background technique
Compared with various types of volumetric oil pumps, the centre of wobbler shaft axial plunger pump is equipped with a wobbler shaft, plunger
Swash plate is blocked in one end, is moved reciprocatingly by the movement of swash plate, achievees the purpose that pump out hydraulic oil, axial plunger pump is simple by it
Stable structure has a wide range of applications in Hydraulic Field.
Number of patent application is the constant pressure controlled axial plunger pump of CN201120074212.6, and particular content is mechanism packet
Constant-pressure control valve and axial plunger oil pump are included, the variable shell is equipped with plunger shaft, and top is the big chamber of piston, and lower part is piston
Small chamber is equipped with variable piston in plunger shaft；Number of patent application is the grading variable axial plunger pump of CN201120074221.5, tool
Holding in vivo is that mechanism includes constant-pressure control valve and axial plunger oil pump, it is characterised in that the variable shell is equipped with piston
Chamber, top are the big chamber of piston, and lower part is the small chamber of piston, and variable piston is housed in plunger shaft.
Above-mentioned axial plunger pump all has the advantages that structurally reasonable, simple process, versatile, but with wobbler shaft axial direction
Plunger pump is compared, and the radial space demand of axial plunger pump is big, and structure is more complicated, and radial forces are big, meeting in the course of work
Noise is generated, this strongly limits the use scopes of double acting axial plunger pump.
In consideration of it, the present invention devises a kind of wobbler shaft axial plunger pump.
Summary of the invention
In view of the above-mentioned problems, the present invention devises a kind of rotor structure for changing traditional axial plunger pump, with traditional axis
It is fluted on the swash plate of rotor to the design of the rotor of plunger pump the difference is that rotor is coaxially placed in parallel with plunger, column
One end card of plug in a groove, will drive plunger to move reciprocatingly when the rotor is turning, to reach the mesh for pumping out hydraulic oil
, the feature which has structure simple, small in size, adaptable.
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of wobbler shaft axial plunger pump, structure include: upper end cover, swash plate armature spindle, axial roller bearing, radial rolling
Sub- bearing, plunger, plunger spring, shell, lower cover and connection bolt, the wobbler shaft rotor is mounted in shell, described
Swash plate armature spindle and plunger axle center be installed in parallel in shell, the swash plate armature spindle by axial direction roller bearing be mounted on
On end cap, the swash plate armature spindle is connected with the shell by radial roller bearing, and the plunger is pacified by plunger spring
In the plunger hole on shell, upper end cover and shell pass through connection and are bolted fixed installation, and lower cover and shell pass through company
Connecting bolt is connected and fixed.
Preferably, the characteristics of swash plate armature spindle is that the slant face disc that an end face is inclined-plane is provided on axis middle section,
Groove is provided on the end face on the outside of swash plate inclined-plane, external impetus is inputted by one end of swash plate armature spindle.
Preferably, the plunger upper part extends outwardly a hook structure, and hook structure has certain width, makes
It can be stuck in the groove on shell, make it be only capable of pumping, be not able to rotate, the end of hook and swash plate groove
Contact.
When work, external impetus power is inputted by described swash plate armature spindle one end, due to the effect in plunger spring
Under, plunger hanger is against in swash plate groove, and when the rotation of swash plate armature spindle, radial distance changes, and drives plunger to do reciprocal straight
Line movement, since the volume size that plunger is formed with plunger hole changes, so as to form hydraulic oil by the disengaging of lower cover
The sucking and discharge of hydraulic fluid port.
By using above technical solution, beneficial effects of the present invention are as follows:
By the rotor design of conventional radial plunger pump at the inclined-plane armature spindle for having slant face disc, it is different from traditional diameter
To the space layout of plunger pump, it is more reasonably utilized space layout, structure is simple, and number of parts is few, has reached structure letter
Feature single, convenient to use, cost is low.
Detailed description of the invention
Fig. 1 is a kind of installation diagram of wobbler shaft axial plunger pump；
Fig. 2 is a kind of explosive view of wobbler shaft axial plunger pump；
Fig. 3 is a kind of wobbler shaft rotor schematic diagram of wobbler shaft axial plunger pump；
Fig. 4 is a kind of body diagram of wobbler shaft axial plunger pump；
Fig. 5 is a kind of plunger schematic diagram of wobbler shaft axial plunger pump.
1, upper end cover, 2, axial roller bearing, 3, shell, 4, plunger spring, 5, plunger, 6, swash plate armature spindle, 7, radial direction
Roller bearing, 8, lower cover, 9, connection bolt, 3-1, groove, 3-2, plunger hole, 5-1, plunger hanger, 6-1, swash plate groove, 8-
1, oil inlet and outlet.
Specific embodiment
In order to which the technical means, creative features, achievable purpose and effectiveness for realizing the present invention are easy to understand, below
It in conjunction with specific embodiments and illustrates, the present invention is further explained.
The wobbler shaft axial plunger pump is by upper end cover 1, swash plate armature spindle 6, axial roller bearing 2, radial roller bearing
7, plunger 5, plunger spring 4, shell 3, lower cover 8 and connection bolt 9 form, and the swash plate armature spindle 6 is mounted on shell 3
In, the swash plate armature spindle 6 and 5 axis parallel of plunger are mounted in shell 3, and the swash plate armature spindle 6 passes through axial rolling
Sub- bearing 2 is mounted on upper end cover 1, and the swash plate armature spindle 6 is connected by radial roller bearing 7 with shell 3, described
Plunger 5 is mounted in the plunger hole 3-1 on shell 3 by plunger spring 4, and upper end cover 1 and shell 3 are connected by connection bolt 9
It is fixedly mounted, lower cover 8 is connected and fixed with shell 3 by connecting bolt 9.
As shown in Figure 1, Figure 2 and Figure 3, the characteristics of swash plate armature spindle 6 is that an end face is provided on axis middle section as inclined-plane
Slant face disc, be provided with swash plate groove 6-1, one end that external impetus passes through wobbler shaft on the end face on the outside of the swash plate inclined-plane
Input.
As depicted in figs. 1 and 2,5 top of plunger extends outwardly a plunger hanger 5-1, plunger hanger 5-1
There is certain width, can be stuck in the groove 3-1 on shell 3, make it be only capable of pumping, be not able to rotate,
The end of hook is contacted with swash plate groove 6-1.
When work, external impetus power is inputted by described 6 one end of swash plate armature spindle, due to the work in plunger spring 4
Under, plunger hanger 5-1 is against in swash plate groove 6-1, and when swash plate armature spindle 6 rotates, radial distance changes, and drives plunger
5 do linear reciprocating motion, since the plunger 5 and plunger hole 3-2 volume size formed changes, so as to form hydraulic oil by
The sucking and discharge of the oil inlet and outlet 8-1 of lower cover 8.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It both falls in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (3)
1. a kind of wobbler shaft axial plunger pump, structure includes: upper end cover (1), axial roller bearing (2), shell (3), plunger
Spring (4), plunger (5), swash plate armature spindle (6), radial roller bearing (7), lower cover (8) and connection bolt (9), described is oblique
Disc rotor axis (6) is mounted on that shell (3) is inner, and the swash plate armature spindle (6) and plunger (5) axis parallel are mounted on shell (3)
In, the swash plate armature spindle (6) passes through axial roller bearing (2) and is mounted on upper end cover (1), the swash plate armature spindle
(6) it is connected by radial roller bearing (7) with shell (3), the plunger (5) is mounted on shell by plunger spring (4)
(3) in the plunger hole (3-2) on, upper end cover (1) and shell (3) pass through connection bolt (9) and are connected and fixed installation, lower cover (8)
It is connected and fixed with shell (3) by connecting bolt (9).
2. the characteristics of swash plate armature spindle (6) according to claim 1 is to be provided with an end face on axis middle section as the oblique of inclined-plane
Face disk is provided with swash plate groove (6-1) on the end face on the outside of swash plate inclined-plane, and external impetus passes through swash plate armature spindle (6)
One end input.
3. plunger upper part according to claim 1 extends outwardly a plunger hanger (5-1), plunger hanger (5-
1) there is certain width, can be stuck in the groove (3-1) on shell (3), it is made to be only capable of pumping, it cannot
Rotation, the end of hook is contacted with swash plate groove (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261713.6A CN109931238A (en) | 2019-04-02 | 2019-04-02 | A kind of wobbler shaft axial plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261713.6A CN109931238A (en) | 2019-04-02 | 2019-04-02 | A kind of wobbler shaft axial plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109931238A true CN109931238A (en) | 2019-06-25 |
Family
ID=66988992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910261713.6A Pending CN109931238A (en) | 2019-04-02 | 2019-04-02 | A kind of wobbler shaft axial plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109931238A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1150284B (en) * | 1957-12-20 | 1963-06-12 | Schweizerische Lokomotiv | Device for regulating the delivery rate of a hydraulic piston pump |
| DE1178709B (en) * | 1960-09-01 | 1964-09-24 | Schweizerische Lokomotiv | Device for changing the delivery rate of a swash plate axial piston pump |
| NL7314993A (en) * | 1972-11-16 | 1974-05-20 | ||
| CN1459004A (en) * | 2000-09-15 | 2003-11-26 | 挪威国立奥伊威尔有限公司 | Arrangement at piston engine and method of controlling the pistons |
| CN201982265U (en) * | 2011-03-21 | 2011-09-21 | 江苏恒源液压有限公司 | Grading variable axial plunger pump |
| CN202017615U (en) * | 2011-03-21 | 2011-10-26 | 江苏恒源液压有限公司 | Constant pressure controlled axial plunger pump |
| CN102421533A (en) * | 2009-05-07 | 2012-04-18 | 格瑞克明尼苏达有限公司 | Wobble assembly for fluid pumping mechanism |
| CN104454420A (en) * | 2014-12-11 | 2015-03-25 | 浙江大学 | Inclined-disc-rotating internally-disposed valve flow distribution axial plunger pump |
| GB2524787A (en) * | 2014-04-02 | 2015-10-07 | Eurekagen Ltd | Energy recovery system |
-
2019
- 2019-04-02 CN CN201910261713.6A patent/CN109931238A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1150284B (en) * | 1957-12-20 | 1963-06-12 | Schweizerische Lokomotiv | Device for regulating the delivery rate of a hydraulic piston pump |
| DE1178709B (en) * | 1960-09-01 | 1964-09-24 | Schweizerische Lokomotiv | Device for changing the delivery rate of a swash plate axial piston pump |
| NL7314993A (en) * | 1972-11-16 | 1974-05-20 | ||
| CN1459004A (en) * | 2000-09-15 | 2003-11-26 | 挪威国立奥伊威尔有限公司 | Arrangement at piston engine and method of controlling the pistons |
| CN102421533A (en) * | 2009-05-07 | 2012-04-18 | 格瑞克明尼苏达有限公司 | Wobble assembly for fluid pumping mechanism |
| CN201982265U (en) * | 2011-03-21 | 2011-09-21 | 江苏恒源液压有限公司 | Grading variable axial plunger pump |
| CN202017615U (en) * | 2011-03-21 | 2011-10-26 | 江苏恒源液压有限公司 | Constant pressure controlled axial plunger pump |
| GB2524787A (en) * | 2014-04-02 | 2015-10-07 | Eurekagen Ltd | Energy recovery system |
| CN104454420A (en) * | 2014-12-11 | 2015-03-25 | 浙江大学 | Inclined-disc-rotating internally-disposed valve flow distribution axial plunger pump |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190625 |
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