CN209621747U - A kind of hydraulic motor with inner curved piston shell flushing valve - Google Patents
A kind of hydraulic motor with inner curved piston shell flushing valve Download PDFInfo
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- CN209621747U CN209621747U CN201821957193.XU CN201821957193U CN209621747U CN 209621747 U CN209621747 U CN 209621747U CN 201821957193 U CN201821957193 U CN 201821957193U CN 209621747 U CN209621747 U CN 209621747U
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Abstract
The utility model discloses a kind of hydraulic motor with inner curved piston shell flushing valves, it includes the valve block that can be installed on the hydraulic fluid port end face of the shell of hydraulic motor with inner curved piston, the shuttle valve and throttle valve being set in valve block, main hydraulic fluid port there are two being opened up in valve block, the position for two hydraulic fluid ports being arranged on the position of two main hydraulic fluid ports and the hydraulic fluid port end face of shell corresponds, a valve oil outlet is offered in valve block, the rinse mouth at a straight-through secondary position of enclosure interior friction is had additional on the hydraulic fluid port end face of shell, the position of valve oil outlet and the position of rinse mouth are corresponding, two main hydraulic fluid ports are connected to the low pressure oil oil inlet of shuttle valve respectively, the low pressure oil oil outlet of shuttle valve is connected to the oil inlet of throttle valve, the oil outlet of throttle valve is connected to valve oil outlet；Advantage is it without being equipped with individually flushing oil piping system, and can control the flushing dose for rinsing oil liquid well.
Description
Technical field
The utility model relates to a kind of hydraulic motor with inner curved piston, rinse more particularly, to a kind of hydraulic motor with inner curved piston shell
Valve is installed on the hydraulic fluid port end face of the shell of hydraulic motor with inner curved piston.
Background technique
The structure of hydraulic motor with inner curved piston be inner curve radial plunger, planar oil distributing form, make it possible to bear high pressure,
The bigger torque of output, the weight of unit power are lighter, due to its structure and advantage functionally, under various operating conditions
Do well, such as material carrying, papermaking, chemical industry, ship and waste recovery and in terms of.Hydraulic motor with inner curved piston
In high-power operation, due to its design feature, shell is easy to produce high temperature, however the oil liquid that high temperature can reduce hydraulic oil is viscous
Degree, therefore will lead to hydraulic motor with inner curved piston abrasion and increase, service life reduces, and efficiency reduces.
For the normal operation for guaranteeing hydraulic motor with inner curved piston, it will usually be introduced from outside into hydraulic oil all the way and be used as flushing oil liquid
(low pressure oil) enters the shell of hydraulic motor with inner curved piston, and shell and inner body to hydraulic motor with inner curved piston are rinsed drop
Temperature, the flushing oil liquid for flowing through shell can take away what generated heat and parts depreciation in hydraulic motor with inner curved piston operating generated
The rubbish such as iron filings improve inner curve to effectively ensure the safety of hydraulic motor with inner curved piston and the stability of system
The service life and the market competitiveness of hydraulic motor.
But this external backwashing manner for rinsing oil circuit has the following problems: 1) needing to increase and individually rinse oil circuit
System makes to rinse the shell that oil liquid enters hydraulic motor with inner curved piston, and not only installation cost is high, but also oil circuit is complicated and longer, rinses
Energy consumption is high for oil piping system；2) external flushing oil circuit is usually voluntarily increased when client uses, so that rinsing the flushing of oil liquid
Amount is difficult to control, and flushing effect is not achieved if flushing dose is too low, is easy to keep housing pressure excessively high if flushing dose is excessively high, thus
It will affect the normal work of hydraulic motor with inner curved piston；3) proposition also adds a throttle valve on external flushing oil road to control
The flushing dose of oil liquid is rinsed, but this just needs additionally to install a throttle valve again.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of hydraulic motor with inner curved piston shell flushing valves, are not necessarily to
It is equipped with and individually rinses oil piping system, and the flushing dose for rinsing oil liquid can be controlled well.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of hydraulic motor with inner curved piston shell punching
Wash valve, it is characterised in that valve block on the hydraulic fluid port end face including the shell that can be installed on hydraulic motor with inner curved piston is set to institute
The shuttle valve and throttle valve in valve block stated, open up that there are two main hydraulic fluid port, the positions of main hydraulic fluid port described in two in the valve block
It is corresponded with the position for two hydraulic fluid ports being arranged on the hydraulic fluid port end face of the shell, offers a valve in the valve block
Oil outlet has additional one on the hydraulic fluid port end face of the shell and leads directly to the enclosure interior and rubs the rinse mouth at secondary position,
The position of the valve oil outlet is corresponding with the position of the rinse mouth, main hydraulic fluid port described in two respectively with the shuttle valve
Low pressure oil oil inlet connection, the low pressure oil oil outlet of the shuttle valve is connected to the oil inlet of the throttle valve, described
The oil outlet of throttle valve is connected to the valve oil outlet.
The low pressure oil oil inlet of main hydraulic fluid port and the shuttle valve of the connection described in one of them is offered in the valve block
The first low pressure oil enter channel, be connected to another described in main hydraulic fluid port it is low with the second of the low pressure oil oil inlet of the shuttle valve
Pressure oil enters the low pressure oil oil outlet of shuttle valve described in channel, connection and the low pressure oil of the oil inlet of the throttle valve crosses circulation
The low pressure oil passing away of the oil outlet of throttle valve described in road, connection and the valve oil outlet.Due in two main hydraulic fluid ports
Either one or two of main hydraulic fluid port can all be connect with the oil inlet pipe of hydraulic motor with inner curved piston or flowline, and the hydraulic oil that oil inlet pipe is passed through is
High pressure oil, the hydraulic oil of flowline discharge is low pressure oil, therefore need to offer the low pressure for being connected to one of them main hydraulic fluid port and shuttle valve
First low pressure oil of oily oil inlet enters second low pressure oil in channel, the low pressure oil oil inlet for being connected to another main hydraulic fluid port and shuttle valve
Into channel, if one of them main hydraulic fluid port is connect with flowline, the hydraulic oil that is discharged from the main hydraulic fluid port as rinse oil liquid from
First low pressure oil enters channel and enters in shuttle valve, using the flow control of throttle valve by valve oil outlet and rinse mouth to shell
Inner plunger and roller and curvilinear guide are rinsed cooling.
The low pressure oil flow channels are in open slot type structure, are exposed on the end face of the valve block.In order to have
Effect ground reduces the thickness and volume of valve block, and low pressure oil flow channels are designed to open slot type structure, i.e. only semicolumn, makes
The thickness for obtaining valve block can achieve only 35 millimeters.
The slot on the periphery of main hydraulic fluid port described in two, the periphery of the valve oil outlet and the low pressure oil flow channels
Mouthful periphery be provided with sealing ring, make two described in main hydraulic fluid port, the valve oil outlet and the low pressure oil cross circulation
It is tightly connected between the notch in road and the hydraulic fluid port end face of the shell.It is the effect in order to reach sealed connection that sealing ring, which is arranged,
Fruit, the phenomenon that avoiding the occurrence of oil leak.
It is opened up in opposite directions in the valve block there are two mounting hole, the shuttle valve is installed on the mounting hole described in one of them
The low pressure oil oil inlet and low pressure oil oil outlet of interior and described shuttle valve are located in one of in the mounting hole, described
Throttle valve is installed in the mounting hole described in another, and the oil inlet of the throttle valve and oil outlet are located at described in another
Mounting hole in.Two mounting holes are opened up in valve block, are in order to install shuttle valve and throttle valve respectively, and by two mounting hole phases
To setting, then the thickness of valve block can be reduced.
Compared with the prior art, the advantages of the utility model are:
1) shuttle valve is installed in valve block, and make to open up in valve block there are two main hydraulic fluid port respectively with the low pressure oil of shuttle valve
Oil inlet connection utilizes this in this way when the flowline of any one main hydraulic fluid port and hydraulic motor with inner curved piston connects discharge low pressure oil
Low pressure oil in main hydraulic fluid port is by realizing the working face to shell intracorporal plunger and roller and curvilinear guide after shuttle valve and throttle valve
On be rinsed cooling, without increase individually rinse oil circuit.
2) it is integrated with a throttle valve in valve block, the flushing dose for rinsing oil liquid can be controlled well, so that in
The intracorporal stability of flow for rinsing oil liquid of the shell of curve hydraulic motor is adjustable, ensures that the normal work of hydraulic motor with inner curved piston
Make.
3) flushing valve can be directly connected in series in the shell of oil pipe mounting flange and hydraulic motor with inner curved piston using screw
Between the hydraulic fluid port end face of body, install extremely convenient.
Detailed description of the invention
Fig. 1 is the main view of the hydraulic motor with inner curved piston shell flushing valve of the utility model；
Fig. 2 is the sectional view along A-A of Fig. 1；
Fig. 3 is the schematic diagram of the hydraulic fluid port end face of the shell of hydraulic motor with inner curved piston.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
The utility model proposes a kind of hydraulic motor with inner curved piston shell flushing valve, as shown in the figure comprising can install
In the valve block 1 on the hydraulic fluid port end face 9 of the shell of hydraulic motor with inner curved piston, the shuttle valve 2 and throttle valve 3 that are set in valve block 1, valve block
Opened up in opposite directions in 1 there are two mounting hole 11,12, shuttle valve 2 is installed in one of mounting hole 11, and the low pressure oil of shuttle valve 2 into
Hydraulic fluid port and low pressure oil oil outlet are located in one of in mounting hole 11, and throttle valve 3 is installed in another mounting hole 12, and are throttled
The oil inlet and oil outlet of valve 3 are located in another mounting hole 12, and two mounting holes 11,12 are opened up in valve block 1, are to divide
Not An Zhuan shuttle valve 2 and throttle valve 3, and two mounting holes 11,12 are oppositely arranged, then can reduce the thickness of valve block 1, in valve block 1
It opens up there are two main hydraulic fluid port 13,14, two hydraulic fluid ports being arranged on the position of two main hydraulic fluid ports 13,14 and the hydraulic fluid port end face 9 of shell
91,92 position corresponds, and offers a valve oil outlet 15 in valve block 1, and one is had additional on the hydraulic fluid port end face 9 of shell directly
The rinse mouth 93 at the logical secondary position of enclosure interior friction, the position of valve oil outlet 15 is corresponding with the position of rinse mouth 93, opens in valve block 1
Enter channel equipped with the first low pressure oil for being connected to one of them main hydraulic fluid port 13 and the low pressure oil oil inlet of shuttle valve 2 (not show in figure
Out), be connected to another main hydraulic fluid port 14 and the low pressure oil oil inlet of shuttle valve 2 the second low pressure oil enter channel (not shown),
It is connected to low pressure oil oil outlet and the low pressure oil flow channels 16 of the oil inlet of throttle valve 3 of shuttle valve 2, is connected to the fuel-displaced of throttle valve 3
The low pressure oil passing away 17 of mouth and valve oil outlet 15.Due to the main hydraulic fluid port of any of two main hydraulic fluid ports 13,14 all can with it is interior
The oil inlet pipe or flowline of curve hydraulic motor connect, and the hydraulic oil that oil inlet pipe is passed through is high pressure oil, the liquid of flowline discharge
Pressure oil is low pressure oil, therefore need to offer the first low pressure of one of them main hydraulic fluid port 13 and the low pressure oil oil inlet of shuttle valve 2 of connection
Oil enters channel, the second low pressure oil of the low pressure oil oil inlet for being connected to another main hydraulic fluid port 14 and shuttle valve 2 enters channel, if wherein
One main hydraulic fluid port 13 is connect with flowline, then the hydraulic oil being discharged from the main hydraulic fluid port 13 as rinse oil liquid from the first low pressure oil into
Enter channel to enter in shuttle valve 2, using the flow control of throttle valve 3 by valve oil outlet 15 and rinse mouth 93 to shell inner plunger
Cooling is rinsed with roller and curvilinear guide.
In the present embodiment, low pressure oil flow channels 16 are in open slot type structure, are exposed on the end face of valve block 1.For
Low pressure oil flow channels 16 are designed to open slot type structure, i.e., only half by the thickness and volume for effectively reducing valve block 1
Cylinder, so that the thickness of valve block 1 can achieve only 35 millimeters.
In the present embodiment, the periphery of two main hydraulic fluid ports 13,14, the periphery of valve oil outlet 15 and low pressure oil flow channels 16
The periphery of notch be provided with sealing ring 18, make two main hydraulic fluid ports 13,14, valve oil outlet 15 and low pressure oil flow channels 16
It is tightly connected between notch and the hydraulic fluid port end face 9 of shell.Sealing ring 18, which is arranged, to be avoided out to achieve the effect that sealed connection
The phenomenon that existing oil leak.
When the hydraulic motor with inner curved piston shell flushing valve is installed, directly by the screw hole 19 opened up in valve block 1 and inner curve liquid
Screw hole 94 on the hydraulic fluid port end face 9 of the shell of pressure motor is aligned, using M14 screw-driving, one of them main hydraulic fluid port at this time
13 are aligned with a hydraulic fluid port 91 on the hydraulic fluid port end face 9 of shell, another main hydraulic fluid port 14 with it is another on the hydraulic fluid port end face 9 of shell
A hydraulic fluid port 92 is aligned, and valve oil outlet 15 is aligned with rinse mouth 93, then the oil inlet pipe of hydraulic motor with inner curved piston and flowline are distinguished
It is connected on two main hydraulic fluid ports 13,14, so far realizes and the flushing valve is connected in series in oil pipe mounting flange and inner curve liquid
Between the hydraulic fluid port end face of the shell of pressure motor.
It is oil inlet pipe that setting is connect with one of them main hydraulic fluid port 13, another main connection of hydraulic fluid port 14 is flowline, interior
When curve hydraulic motor works, the hydraulic oil (high pressure oil) that oil inlet pipe is passed through is by one of them main hydraulic fluid port 13 and one of oil
Mouth 91 enters in shell, and hydraulic motor with inner curved piston is made to work, and the hydraulic oil (low pressure oil) of hydraulic motor with inner curved piston discharge is by another
One hydraulic fluid port 92 and another main 14 a part of hydraulic fluid port enter in flowline, and a part of hydraulic oil (low pressure oil) is used as flushing oil
Liquid enters channel by the second low pressure oil, shuttle valve 2, low pressure oil flow channels 16, throttle valve 3, low pressure oil passing away 17, valve go out
Hydraulic fluid port 15, rinse mouth 93, which enter in shell, is rinsed cooling.
Claims (5)
1. a kind of hydraulic motor with inner curved piston shell flushing valve, it is characterised in that the shell including hydraulic motor with inner curved piston can be installed on
Valve block on the hydraulic fluid port end face of body, the shuttle valve and throttle valve being set in the valve block, open up in the valve block there are two
The position for two hydraulic fluid ports being arranged on the hydraulic fluid port end face of main hydraulic fluid port, the position of main hydraulic fluid port described in two and the shell is one by one
It is corresponding, offer a valve oil outlet in the valve block, had additional on the hydraulic fluid port end face of the shell one it is straight-through described
Enclosure interior rub the rinse mouth at secondary position, the position of the valve oil outlet is corresponding with the position of the rinse mouth, two
A main hydraulic fluid port is connected to the low pressure oil oil inlet of the shuttle valve respectively, the low pressure oil oil outlet of the shuttle valve and institute
The oil inlet for the throttle valve stated is connected to, and the oil outlet of the throttle valve is connected to the valve oil outlet.
2. a kind of hydraulic motor with inner curved piston shell flushing valve according to claim 1, it is characterised in that in the valve block
Offer the low pressure oil oil inlet of main hydraulic fluid port and the shuttle valve of the connection described in one of them the first low pressure oil enter channel,
The second low pressure oil for being connected to the low pressure oil oil inlet of the main hydraulic fluid port and the shuttle valve described in another enters channel, be connected to described in
Shuttle valve low pressure oil oil outlet and the low pressure oil flow channels of the oil inlet of the throttle valve, be connected to described in throttle valve
The low pressure oil passing away of oil outlet and the valve oil outlet.
3. a kind of hydraulic motor with inner curved piston shell flushing valve according to claim 2, it is characterised in that the low pressure oil
Flow channels are in open slot type structure, are exposed on the end face of the valve block.
4. a kind of hydraulic motor with inner curved piston shell flushing valve according to claim 3, it is characterised in that master described in two
The periphery of the notch on the periphery of hydraulic fluid port, the periphery of the valve oil outlet and the low pressure oil flow channels is provided with sealing
Circle, make two described in main hydraulic fluid port, the valve oil outlet and the low pressure oil flow channels notch and the shell
Hydraulic fluid port end face between be tightly connected.
5. a kind of hydraulic motor with inner curved piston shell flushing valve according to any one of claim 1 to 4, it is characterised in that institute
It is opened up in opposite directions in the valve block stated there are two mounting hole, the shuttle valve is installed in the mounting hole described in one of them, and described
Shuttle valve low pressure oil oil inlet and low pressure oil oil outlet be located in one of in the mounting hole, the throttle valve installation
In mounting hole described in another, and the oil inlet of the throttle valve and oil outlet are located at the mounting hole described in another
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821957193.XU CN209621747U (en) | 2018-11-26 | 2018-11-26 | A kind of hydraulic motor with inner curved piston shell flushing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821957193.XU CN209621747U (en) | 2018-11-26 | 2018-11-26 | A kind of hydraulic motor with inner curved piston shell flushing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621747U true CN209621747U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821957193.XU Active CN209621747U (en) | 2018-11-26 | 2018-11-26 | A kind of hydraulic motor with inner curved piston shell flushing valve |
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| CN (1) | CN209621747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488650A (en) * | 2018-11-26 | 2019-03-19 | 宁波斯达弗液压传动有限公司 | A kind of hydraulic motor with inner curved piston shell flushing valve |
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2018
- 2018-11-26 CN CN201821957193.XU patent/CN209621747U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488650A (en) * | 2018-11-26 | 2019-03-19 | 宁波斯达弗液压传动有限公司 | A kind of hydraulic motor with inner curved piston shell flushing valve |
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