CN107401477A - Hydraulic motor, engineering machinery and the agricultural machinery of adjustable displacement - Google Patents
Hydraulic motor, engineering machinery and the agricultural machinery of adjustable displacement Download PDFInfo
- Publication number
- CN107401477A CN107401477A CN201710684684.5A CN201710684684A CN107401477A CN 107401477 A CN107401477 A CN 107401477A CN 201710684684 A CN201710684684 A CN 201710684684A CN 107401477 A CN107401477 A CN 107401477A
- Authority
- CN
- China
- Prior art keywords
- discharge capacity
- hydraulic motor
- motor
- swash plate
- regulating block
- 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
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0678—Control
- F03C1/0686—Control by changing the inclination of the swash plate
Abstract
Include the present invention relates to a kind of hydraulic motor of adjustable displacement with the engineering machinery equipped with the hydraulic motor, the hydraulic motor：Motor shell；The main shaft being arranged in the motor shell；It is arranged on the plunger of the radial outside in the motor shell and positioned at the main shaft；It is arranged on the swash plate in the motor shell and being set on the main shaft；Wherein, the hydraulic motor can removably install the discharge capacity regulating block at a variety of angles of inclination, so that the swash plate is connected between the inclined plane of the discharge capacity regulating block and the end of the plunger, in the case where the discharge capacity regulating block at various angles of inclination is mounted in the hydraulic motor, the normal of the swash plate forms different angles from the axis of the main shaft.
Description
Technical field
The present invention relates to technical field of hydraulic pressure, more particularly to a kind of hydraulic motor of adjustable displacement.
Background technology
The discharge capacity of traditional hydraulic quantitative motor is definite value, and discharge capacity can not be adjusted, therefore is in discharge capacity demand
In the case of between the fixed displacement motor discharge capacity of two adjacent-specifications, such as in discharge capacity of the actual displacement demand less than A specification motors
But more than in the case of B specification motor moral discharge capacities, it can not accurately meet discharge capacity demand；According to traditional variable displacement motor or can
The fixed displacement motor of discharge capacity is adjusted, although can meet different displacements demand, its swash plate is movable structure, it is therefore desirable to special
The swash plate angle stroking mechanism of swash plate angle is adjusted, cost is higher.
The content of the invention
The purpose of the present invention is that at least solve one of above-mentioned technical problem, and the purpose is achieved through the following technical solutions：
The present invention proposes a kind of hydraulic motor of adjustable displacement, and the hydraulic motor includes：
Motor shell；
The main shaft being arranged in the motor shell；
It is arranged on the plunger of the radial outside in the motor shell and positioned at the main shaft；
It is arranged on the swash plate in the motor shell and being set on the main shaft；
Wherein, the hydraulic motor can removably install the discharge capacity regulating block at a variety of angles of inclination so that
The swash plate is connected between the inclined plane of the discharge capacity regulating block and the end of the plunger, the row at various angles of inclination
In the case that amount regulating block is mounted in the hydraulic motor, the axis of the normal of the swash plate and the main shaft is formed not
Same angle.
According to a modification of the present invention, it is connected by screw between the swash plate and the discharge capacity regulating block.
Another according to the present invention is improved, and the swash plate is integrally formed with the discharge capacity regulating block.
According to another improvement of the present invention, it is connected by screw between the discharge capacity regulating block and the motor shell.
Preferably, the discharge capacity regulating block indicates corresponding motor displacement.
The invention further relates to a kind of engineering machinery, the engineering machinery has the hydraulic motor of above-mentioned adjustable displacement.
In addition, the invention further relates to a kind of agricultural machinery, the engineering machinery has the hydraulic pressure horse of above-mentioned adjustable displacement
Reach.
According to the hydraulic motor of the adjustable displacement of the present invention, phase can be installed additional inside motor according to different displacements demand
The discharge capacity regulating block of specification is answered, realizes that motor displacement switches between different numerical value, and swash plate is stationary structure, it is not necessary to
Swash plate angle stroking mechanism, there is the cost advantage of former fixed displacement motor, application, there is extremely strong applicability.It can answer extensively
For Hydraulic Fields such as engineering machinery, farm machinery, industrial equipments.
Especially, after the order (such as the discharge capacity of these order requirements is not quite similar) of different clients is connected to, producer can
So that the discharge capacity regulating block of different size (i.e. differing tilt angles, namely different displacements) promptly is installed into the motor produced
In (no discharge capacity regulating block), so as to be quickly accomplished order, early to be supplied to client, the response time is short, production efficiency is high,
Good market efficiency can be brought.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 shows the assembling schematic diagram of the hydraulic motor of the adjustable displacement according to embodiment of the present invention；
Fig. 2 a show the front view of the discharge capacity regulating block of the hydraulic motor of the adjustable displacement according to embodiment of the present invention；
Fig. 2 b show the side view of the discharge capacity regulating block of the hydraulic motor of the adjustable displacement according to embodiment of the present invention.
Embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although this public affairs is shown in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely, there is provided these embodiments are to be able to be best understood from the disclosure, and can be by this public affairs
The scope opened completely is communicated to those skilled in the art.
According to the embodiment of the present invention, as shown in figure 1, proposing a kind of hydraulic motor of adjustable displacement, the hydraulic motor
Including：Motor shell 5, the main shaft 4 being arranged in motor shell, it is arranged in motor shell and positioned at the radial outside of main shaft
Plunger 3 and be arranged in motor shell 5 and be set in the fixed swash plate 2 on main shaft 4, the normal and main shaft of the swash plate 2
4 axis is at a certain angle, i.e., the angle between swash plate normal and plunger shown in Fig. 1.Wherein, according to specific operating mode institute
The discharge capacity of the hydraulic motor needed, hydraulic motor can install a variety of angles of inclination (regulating block angle as shown in Figure 2)
Discharge capacity regulating block 1.According to a preferred embodiment of the invention, as shown in Fig. 2 discharge capacity regulating block 1 is provided with screwed hole 6,
So as to which discharge capacity regulating block is connected into motor shell 5 by bolt or screw.For example, adjusted in motor shell 5 and discharge capacity
The shoulder opening position (as shown in Figure 1) of locking nub connection is provided with the screwed hole of the screwed hole corresponding to discharge capacity regulating block 1, so as to
Discharge capacity regulating block 1 is enough connected to by motor shell 5 by screw.In addition, according to a preferred embodiment of the invention, motor shell
Coordinated in radial directions using gap between body 5 and discharge capacity regulating block 1, so as to change liquid needing to change discharge capacity regulating block
It is easy to remove during the discharge capacity of pressure motor and corresponding discharge capacity regulating block is installed.For the same purpose, discharge capacity regulating block 1 and master
Also coordinated in radial directions using gap between axle 4.According to a kind of alternative embodiment of the present invention, in discharge capacity regulating block
1 one end is provided with external screw thread, and the connecting portion of corresponding motor shell 5 and the discharge capacity regulating block 1 is provided with internal thread,
So as to which the discharge capacity regulating block 1 of differing tilt angles is connected into motor shell 5 threadably.Swash plate 2 can be with
Be connected by screw to the inclined plane of discharge capacity regulating block 1, or by set on discharge capacity regulating block 1 corresponding holding section so as to
Swash plate is clasped to discharge capacity regulating block 1；In addition, according to a kind of advantageous embodiment of the present invention, swash plate 2 can be with row
Amount regulating block 1 is integrally formed, consequently facilitating installation and use.As shown in figure 1, main shaft 4 is connected to motor shell by bearing, from
And relative to motor shell 5 and the discharge capacity regulating block 1 of motor shell can be connected to and swash plate 2 rotates together with plunger 3.
As shown in figure 1, under confined state, swash plate 2 is located between the inclined plane of discharge capacity regulating block 1 and the end of plunger 3,
So that in the case where the discharge capacity regulating block 1 at various angles of inclination is mounted in hydraulic motor, normal and the main shaft 4 of swash plate 2
Or plunger 3 forms different angles, so as to adjust the discharge capacity of hydraulic motor.In addition, the favourable implementation according to the present invention
Mode, as shown in figure 1, the plunger end coordinated with swash plate 2 is pivotally connected with piston body, so that plunger end can pass through
Pivotal adjustment is engaged with the discharge capacity regulating block of differing tilt angles.In the assembled condition, as shown in figure 1, the end of plunger is supported
End face by swash plate and it can be slided when plunger 3 rotates with main shaft 4 relative to static swash plate 2.
Corresponding motor displacement can be indicated on discharge capacity regulating block 1, so that when needing to change the discharge capacity of hydraulic motor, only
Need to replace with required discharge capacity regulating block, convenient use according to mark.In addition, the discharge capacity regulation of adjacent row gauge lattice
The difference at the angle of inclination of block can be processed into it is as small as possible, so as to meet the accurate adjustment to the discharge capacity of hydraulic motor.This hair
The hydraulic motor of bright adjustable displacement can realize the switching of more discharge capacities, have a wide range of application, and can be widely applied to engineering machinery, agricultural
The Hydraulic Fields such as machinery, industrial equipment.
Especially, after the order (such as the discharge capacity of these order requirements is not quite similar) of different clients is connected to, producer can
So that the discharge capacity regulating block of different size (i.e. differing tilt angles, namely different displacements) promptly is installed into the motor produced
In (no discharge capacity regulating block), so as to be quickly accomplished order, early to be supplied to client, the response time is short, production efficiency is high,
Good market efficiency can be brought.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.
Claims (7)
1. a kind of hydraulic motor of adjustable displacement, it is characterised in that the hydraulic motor includes：
Motor shell；
The main shaft being arranged in the motor shell；
It is arranged on the plunger of the radial outside in the motor shell and positioned at the main shaft；
It is arranged on the swash plate in the motor shell and being set on the main shaft；
Wherein, the hydraulic motor can removably install the discharge capacity regulating block at a variety of angles of inclination so that described
Swash plate is connected between the inclined plane of the discharge capacity regulating block and the end of the plunger, and the discharge capacity at various angles of inclination is adjusted
In the case that locking nub is mounted in the hydraulic motor, the normal of the swash plate forms different from the axis of the main shaft
Angle.
2. the hydraulic motor of adjustable displacement according to claim 1, it is characterised in that the swash plate is adjusted with the discharge capacity
It is connected by screw between block.
3. the hydraulic motor of adjustable displacement according to claim 1, it is characterised in that the swash plate is adjusted with the discharge capacity
Block is integrally formed.
4. the hydraulic motor of adjustable displacement according to claim 1, it is characterised in that the discharge capacity regulating block and the horse
It is connected by screw up between housing.
5. the hydraulic motor of adjustable displacement according to any one of claim 1 to 4, it is characterised in that the discharge capacity is adjusted
Locking nub indicates corresponding motor displacement.
A kind of 6. engineering machinery, it is characterised in that any one of described with good grounds claim 1 to 5 of engineering machinery institute
The hydraulic motor for the adjustable displacement stated.
A kind of 7. agricultural machinery, it is characterised in that any one of described with good grounds claim 1 to 5 of talents for agri-mechanization institute
The hydraulic motor for the adjustable displacement stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684684.5A CN107401477A (en) | 2017-08-11 | 2017-08-11 | Hydraulic motor, engineering machinery and the agricultural machinery of adjustable displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684684.5A CN107401477A (en) | 2017-08-11 | 2017-08-11 | Hydraulic motor, engineering machinery and the agricultural machinery of adjustable displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107401477A true CN107401477A (en) | 2017-11-28 |
Family
ID=60396429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710684684.5A Pending CN107401477A (en) | 2017-08-11 | 2017-08-11 | Hydraulic motor, engineering machinery and the agricultural machinery of adjustable displacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107401477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005851A (en) * | 2019-12-25 | 2020-04-14 | 潍柴动力股份有限公司 | Displacement feedback variable mechanism of hydraulic plunger pump and hydraulic plunger pump |
| CN114485565A (en) * | 2021-12-31 | 2022-05-13 | 潍柴动力股份有限公司 | Mechanical swash plate inclination angle indicator for hydraulic pump motor and hydraulic pump motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478134A (en) * | 1980-10-31 | 1984-10-23 | Honda Giken Kogyo Kabushiki Kaisha | Swash plate type hydraulic device |
| CN106678011A (en) * | 2017-01-22 | 2017-05-17 | 石家庄市液压有限责任公司 | Hydraulic pump |
-
2017
- 2017-08-11 CN CN201710684684.5A patent/CN107401477A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478134A (en) * | 1980-10-31 | 1984-10-23 | Honda Giken Kogyo Kabushiki Kaisha | Swash plate type hydraulic device |
| CN106678011A (en) * | 2017-01-22 | 2017-05-17 | 石家庄市液压有限责任公司 | Hydraulic pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005851A (en) * | 2019-12-25 | 2020-04-14 | 潍柴动力股份有限公司 | Displacement feedback variable mechanism of hydraulic plunger pump and hydraulic plunger pump |
| CN111005851B (en) * | 2019-12-25 | 2021-07-20 | 潍柴动力股份有限公司 | Displacement feedback variable mechanism of hydraulic plunger pump and hydraulic plunger pump |
| CN114485565A (en) * | 2021-12-31 | 2022-05-13 | 潍柴动力股份有限公司 | Mechanical swash plate inclination angle indicator for hydraulic pump motor and hydraulic pump motor |
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|---|---|---|---|
| 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 |
Application publication date: 20171128 |
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| RJ01 | Rejection of invention patent application after publication |