CN211008946U - Hydraulic motor - Google Patents
Hydraulic motor Download PDFInfo
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- CN211008946U CN211008946U CN201922128887.3U CN201922128887U CN211008946U CN 211008946 U CN211008946 U CN 211008946U CN 201922128887 U CN201922128887 U CN 201922128887U CN 211008946 U CN211008946 U CN 211008946U
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- telescopic blade
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Abstract
The utility model is suitable for a motor technical field provides a hydraulic motor, include: the telescopic blade mechanism is used for reducing mechanical loss through structural contraction in a state of waiting to be started; the main body mechanism is used for installing the telescopic blade mechanism; and the driving mechanism is connected with the main body mechanism, is opposite to the telescopic blade mechanism and is used for controlling the telescopic blade mechanism to operate to form an extending or retracting state. The utility model discloses in, actuating mechanism control flexible blade mechanism operation forms the state of stretching out or retracting, and in the normal operating process, the part activity in flexible blade mechanism and the main part mechanism offsets, and under the contraction state, flexible blade mechanism and main part structure no longer support and close the contact to reduce the output consumption of motor itself, also can reduce mechanical loss, improve the motor life-span.
Description
Technical Field
The utility model belongs to the technical field of the motor, especially, relate to a hydraulic motor.
Background
With the gradual depletion of resources such as petroleum and the gradual deterioration of climate environment, the concern of all countries in the world on the environment is gradually increased, the technical problem of automobile energy conservation becomes a global technical problem to be solved urgently, and the hydraulic hybrid power energy-saving technology is taken as an important branch of the automobile energy-saving technology and has attracted the attention of all government departments, automobile manufacturers and scientific research institutions. The hydraulic driving type hybrid electric vehicle is a vehicle with an engine as a main power source and a hydraulic energy accumulator as an auxiliary power source, the braking energy can be stored and recovered by the energy accumulator with high power density and the driving power of the engine can be supplemented, and the recovery and reutilization efficiency of the braking energy can reach 70-80%. Among hydraulic devices, the hydraulic motor/pump and the accumulator are the most important structures for energy recovery and release, and since the hydraulic motor/pump is directly connected to the engine or the load, the structure and the working form thereof directly affect the efficiency of energy utilization of the hydraulic type hybrid vehicle.
When the vane type hydraulic motor works, the vane type hydraulic motor is driven by hydraulic torque generated when the two sides of the vane bear the oil inlet pressure and the oil return pressure respectively, and can perform two rotation states of positive rotation and negative rotation. In order to ensure that the vanes can be tightly attached to the inner surface of the stator before starting, a vane pressing mechanism is arranged, for example, a swallow spring is adopted or high-pressure oil is introduced to the bottoms of the vanes. However, in order to increase the working pressure and the rotating speed of the vane motor, the pressing force between the vane and the stator should be reduced to reduce the mechanical wear therebetween, and at present, the contact stress between the vane and the stator is usually reduced by reducing the thickness of the vane and changing the structure of the vane to reduce the wear, and improve the starting efficiency, the mechanical efficiency and the service life of the hydraulic motor.
The above-described approach is clearly an improvement over the design of hydraulic motors that are required to operate, but when they do so, they continue to operate in the vehicle's powertrain due to their direct connection to the engine or load, where the mechanical losses caused by the close contact of the vanes with the inner surface of the stator are entirely disadvantageous.
SUMMERY OF THE UTILITY MODEL
An object of the embodiments of the present invention is to provide a hydraulic motor, which aims to solve the problem that the mechanical loss caused by the close contact between the blades and the inner surface of the stator is completely unfavorable when the hydraulic motor still continues to operate after completing its operation.
The embodiment of the utility model provides a realize like this, a hydraulic motor, include:
the telescopic blade mechanism is used for reducing mechanical loss through structural contraction in a state of waiting to be started;
the main body mechanism is used for installing the telescopic blade mechanism;
and the driving mechanism is connected with the main body mechanism, is opposite to the telescopic blade mechanism and is used for controlling the telescopic blade mechanism to operate to form an extending or retracting state.
Another object of the embodiment of the present invention is to provide a portable electronic device, comprising:
the rotating structure is used for arranging and matching the telescopic blade mechanism to operate;
the cavity structure is arranged corresponding to the telescopic blade mechanism and used for containing engine oil.
The embodiment of the utility model provides a another aim at, the rotating-structure includes the stator module and the rotor subassembly of coaxial setting, and the inside minor axis size that is equipped with of stator module is greater than the radial cavity of rotor subassembly.
Another object of the embodiment of the present invention is to provide a rotor assembly with a plurality of cavities and channels embedded therein.
The embodiment of the utility model provides a another aim at, flexible blade mechanism one end clearance fit sets up in the chamber way structure, and keeps away from the terminal of chamber way structure and the inside cavity lateral wall activity of stator module offset.
The embodiment of the utility model provides a another aim at, the one end that flexible blade mechanism cooperation set up in the chamber structure is divided the chamber structure and is formed two parts that the relative seal is kept apart, and two parts spaces to the seal isolation change along with flexible blade mechanism motion thereupon.
The embodiment of the utility model provides a another aim at, the chamber says that the structure separates two parts that form and actuating mechanism through flexible blade mechanism and is linked together, and the relative chamber of the blade mechanism that just drives is said to the pressure differential that forms through machine oil injection and discharge in the actuating mechanism operation and is said the structure motion.
Another object of the embodiment of the present invention is to provide a driving mechanism, which comprises an oil pushing structure and an oil returning structure, and the driving mechanism is respectively connected to two ends of the cavity structure.
The utility model discloses another aim at of embodiment, top oily structure and oil return structure form independent circulation through valve control structure intercommunication machine oil injection structure and machine oil recovery structure respectively, and the on-off state of the valve control structure that top oily structure and oil return structure correspond is opposite.
The embodiment of the utility model provides a pair of hydraulic motor, actuating mechanism control telescopic vane mechanism operation form the state of stretching out or retracting, and in the normal operating process, the part activity in telescopic vane mechanism and the main part mechanism offsets, and under the contraction state, telescopic vane mechanism and main part structure no longer support and close the contact to reduce the output consumption of motor itself, also can reduce mechanical loss, improve the motor life-span.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic motor according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic control diagram of an oil ejection structure in a hydraulic motor according to an embodiment of the present invention;
fig. 4 is a control schematic diagram of an oil return structure in a hydraulic motor according to an embodiment of the present invention.
In the drawings: 1. a stator; 2. a blade; 3. a rotor; 4. recovering the oil cavity; 5. a top oil cavity; 6. an end cap; 7. recovering the oil circuit; 8. a top oil way; 9. a first solenoid valve; 10. a second solenoid valve; 11. an ECU; 12. a main oil gallery; 13. an oil pan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 1, a hydraulic motor provided for an embodiment of the present invention includes:
the telescopic blade mechanism is used for reducing mechanical loss through structural contraction in a state of waiting to be started;
the main body mechanism is used for installing the telescopic blade mechanism;
and the driving mechanism is connected with the main body mechanism, is opposite to the telescopic blade mechanism and is used for controlling the telescopic blade mechanism to operate to form an extending or retracting state.
In the embodiment of the present invention, preferably, the retractable blade mechanism can adopt the blade 2, one end of the blade 2 is the conventional shape of the motor blade in the prior art, the other end is the piston shape, and the blade 2 is installed in the main body mechanism by welding or integrally forming.
The embodiment of the utility model provides an in, actuating mechanism control flexible blade mechanism operation forms the state of stretching out or retracting, and in normal operating process, the part activity in flexible blade mechanism and the main part mechanism offsets, and under the shrink state, flexible blade mechanism and main part structure no longer support and close the contact to reduce the output consumption of motor itself, also can reduce mechanical loss, improve the motor life-span.
As shown in fig. 1, as a preferred embodiment of the present invention, the main body mechanism includes:
the rotating structure is used for arranging and matching the telescopic blade mechanism to operate;
the cavity structure is arranged corresponding to the telescopic blade mechanism and used for containing engine oil.
The rotating structure comprises a stator assembly and a rotor assembly which are coaxially arranged, and a cavity with a short semi-axis of which the size is larger than that of the rotor assembly is arranged in the stator assembly.
The cavity structure is embedded in the rotor component and is provided with a plurality of groups in equal-angle distribution.
The embodiment of the utility model provides an in, it is preferred, stator module adopts stator 1, rotor assembly adopts rotor 3, stator 1 inner wall is oval structure, rotor 3 sets up in stator 1 with the heart, and rotor 3 and stator 1 both sides are fixed through the installation of end cover 6, and rotor 3 and stator 1 rotate relatively and connect, the chamber says that the structure is the multiunit in rotor 3 of equidirectional setting, and be annular array distribution, the chamber says that the structure includes recovery oil chamber 4 and top oil pocket 5 of intercommunication, recovery oil chamber 4 and top oil pocket 5 stretch into the terminal partition formation in the chamber says the structure through blade 2, recovery oil chamber 4 is close to rotor 3's edge, and top oil pocket 5 is relative towards rotor 3's center.
As shown in fig. 1, as a preferred embodiment of the present invention, one end of the retractable blade mechanism is movably fitted in the cavity structure, and the end of the cavity structure away from the cavity structure is movably abutted against the side wall of the internal cavity of the stator assembly.
The telescopic blade mechanism is arranged at one end of the cavity structure in a matched manner to separate the cavity structure into two parts which are relatively sealed and isolated, and the space of the two parts which are sealed and isolated changes along with the movement of the telescopic blade mechanism.
The cavity structure is communicated with the driving mechanism through two parts formed by the telescopic blade mechanism in a separated mode, and the telescopic blade mechanism is driven to move relative to the cavity structure through pressure difference formed by engine oil injection and discharge in the operation process of the driving mechanism.
In the embodiment of the utility model, it is preferred, blade 2 keeps away from behind the edge that the chamber said structure and the inner wall activity of stator 1 offset, when the oil volume increase and decrease in recovery oil chamber 4 and the top oil pocket 5, can control blade 2 through the hydraulic pressure difference and move in the chamber said structure that recovery oil chamber 4 and top oil pocket 5 constitute, rotor 3 slides and goes deep into behind the chamber said structure that recovery oil chamber 4 and top oil pocket 5 constitute, blade 2's edge breaks away from and offsets with the activity of stator 1 inner wall.
The embodiment of the utility model provides an in, it is preferred, recovered oil chamber 4 and top oil chamber 5 communicate with actuating mechanism respectively, actuating mechanism driving machine oil pours into from top oil chamber 5, when machine oil flows out from recovered oil chamber 4, top oil chamber 5 internal oil pressure promotes after increasing blade 2 and says that recovered oil chamber 4 one side removes in the structure to the chamber, pour into from recovered oil chamber 4 when actuating mechanism driving machine oil to when machine oil flows out from top oil chamber 5, recovered oil chamber 4 internal oil pressure promotes after increasing blade 2 and says that top oil chamber 5 one side removes in the structure to the chamber.
As shown in fig. 2-4, as a preferred embodiment of the present invention, the driving mechanism includes an oil pushing structure and an oil returning structure, which are respectively connected to two ends of the cavity structure.
The oil ejection structure and the oil return structure are communicated with the engine oil injection structure and the engine oil recovery structure through the valve control structure respectively to form independent circulation, and the opening and closing states of the valve control structures corresponding to the oil ejection structure and the oil return structure are opposite.
The embodiment of the utility model provides an in, preferably, the main oil gallery 12 and the oil pan 13 that the oil structure includes top oil circuit 8 and top oil circuit 8 intercommunication are equipped with valve control structure in the oil circuit 8 of top, the preferred second solenoid valve 10 of valve control structure in the oil circuit 8 of top, and top oil circuit 8 restricts intercommunication main oil gallery 12 or oil pan 13 behind the second solenoid valve 10.
In the embodiment of the utility model, it is preferred, oil return structure is including retrieving oil circuit 7, retrieve oil circuit 7 and communicate main oil gallery 12 and oil pan 13 equally, be equipped with valve Control structure in retrieving oil circuit 7, retrieve the preferred first solenoid valve 9 of valve Control structure in the oil circuit 7, retrieve oil circuit 7 through restriction intercommunication main oil gallery 12 or oil pan 13 behind first solenoid valve 9, and, the open mode of first solenoid valve 9 and second solenoid valve 10 is opposite, the open mode of first solenoid valve 9 and second solenoid valve 10 all is based on the operating mode of ECU (Electronic Control Unit) 11 induction motor, when the motor is as the load promptly, ECU11 controls the electric current break-make of first solenoid valve 9 and second solenoid valve 10.
In the embodiment of the present invention, preferably, the first solenoid valve 9 and the second solenoid valve 10 both adopt two-position three-way solenoid valves, when the two-position three-way solenoid valves are powered on, the P port is communicated with the K port, and the R port is disconnected from the K port; and when the power is off, the P port and the K port are disconnected, and the R port is communicated with the K port. A K1 port of the first electromagnetic valve 9 is connected with the recovery oil way 7, a P1 port is connected with the main oil gallery 12, and an R1 port is connected with the oil pan 13; the port K2 of the second electromagnetic valve 10 is connected with the top oil way 8, the port P2 is connected with the main oil gallery 12, and the port R2 is connected with the oil pan 13. When the ECU11 judges that the hydraulic motor does not need to work (namely the engine is started or the hydraulic motor finishes acting on a load), an electric signal is output to control the first electromagnetic valve 9 and the second electromagnetic valve 10, so that the second electromagnetic valve 10 is in a power-off state, the first electromagnetic valve 9 is in a power-on state, pressure engine oil in the main oil duct 12 enters the recovered oil chamber 4 through the first electromagnetic valve 9 and the recovered oil path 7, the engine oil in the top oil chamber 5 enters the oil pan 13 through the top oil path 8 and the second electromagnetic valve 10, and the blade 2 can be controllably retracted after the operation is finished; when the ECU11 judges that the hydraulic motor needs to work, the second electromagnetic valve 10 is in a power-on state, the first electromagnetic valve 9 is in a power-off state, pressure engine oil in the main oil gallery 12 enters the top oil cavity 5 through the second electromagnetic valve 10 and the top oil channel 8, pressure engine oil in the recovered oil cavity 4 enters the oil pan 13 through the recovered oil channel 7 and the first electromagnetic valve 9, and at the moment, the blade 2 is jacked up by the pressure engine oil in the top oil cavity 5 and is in close contact with the stator 1.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A hydraulic motor, comprising:
the telescopic blade mechanism is used for reducing mechanical loss through structural contraction in a state of waiting to be started;
the main body mechanism is used for installing the telescopic blade mechanism;
and the driving mechanism is connected with the main body mechanism, is opposite to the telescopic blade mechanism and is used for controlling the telescopic blade mechanism to operate to form an extending or retracting state.
2. The hydraulic motor of claim 1, wherein the body mechanism comprises:
the rotating structure is used for arranging and matching the telescopic blade mechanism to operate;
the cavity structure is arranged corresponding to the telescopic blade mechanism and used for containing engine oil.
3. The hydraulic motor of claim 2, wherein the rotating structure comprises a stator assembly and a rotor assembly coaxially arranged, and a cavity with a semi-minor axis dimension larger than the radius of the rotor assembly is arranged in the stator assembly.
4. A hydraulic motor according to claim 3, wherein the channel structures are embedded in the rotor assembly and are arranged in groups in an equiangular distribution.
5. The hydraulic motor of claim 4, wherein one end of the retractable vane mechanism is movably fitted in the channel structure, and the end far away from the channel structure is movably abutted against the side wall of the inner cavity of the stator assembly.
6. The hydraulic motor of claim 5, wherein the telescoping vane mechanism is disposed at one end of the channel structure to separate the channel structure into two parts which are sealed and isolated from each other, and the space of the two parts which are sealed and isolated changes with the movement of the telescoping vane mechanism.
7. The hydraulic motor of claim 6, wherein the channel structure is in communication with the drive mechanism through two portions of the telescoping vane mechanism, and wherein the telescoping vane mechanism is moved relative to the channel structure by a pressure differential created by the oil charge and discharge during operation of the drive mechanism.
8. The hydraulic motor of claim 7, wherein the drive mechanism includes an oil ejection structure and an oil return structure, each communicating with two ends of the channel structure.
9. The hydraulic motor of claim 8, wherein the oil ejection structure and the oil return structure are respectively communicated with the oil injection structure and the oil recovery structure through the valve control structure to form independent circulation, and the opening and closing states of the valve control structures corresponding to the oil ejection structure and the oil return structure are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922128887.3U CN211008946U (en) | 2019-12-03 | 2019-12-03 | Hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922128887.3U CN211008946U (en) | 2019-12-03 | 2019-12-03 | Hydraulic motor |
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| Publication Number | Publication Date |
|---|---|
| CN211008946U true CN211008946U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922128887.3U Active CN211008946U (en) | 2019-12-03 | 2019-12-03 | Hydraulic motor |
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| CN (1) | CN211008946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735762A (en) * | 2019-12-03 | 2020-01-31 | 吉林大学 | Hydraulic Motor |
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2019
- 2019-12-03 CN CN201922128887.3U patent/CN211008946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735762A (en) * | 2019-12-03 | 2020-01-31 | 吉林大学 | Hydraulic Motor |
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