CN112377473A - Electromechanical hydraulic power system and electromechanical integrated driving device - Google Patents
Electromechanical hydraulic power system and electromechanical integrated driving device Download PDFInfo
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- CN112377473A CN112377473A CN202011306213.9A CN202011306213A CN112377473A CN 112377473 A CN112377473 A CN 112377473A CN 202011306213 A CN202011306213 A CN 202011306213A CN 112377473 A CN112377473 A CN 112377473A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to an electromechanical hydraulic power system which comprises a combined valve block, a hydraulic motor, a hydraulic station, a hydraulic oil pump and an oil-cooled oil pump motor, wherein the combined valve block is communicated with the hydraulic motor, the hydraulic station comprises a hydraulic station oil storage tank body, the hydraulic oil pump is installed in the oil storage tank body of the hydraulic station, an oil inlet of the hydraulic oil pump extends into the oil storage tank body of the hydraulic station through a pipeline, and the oil-cooled oil pump motor is installed outside the oil storage tank body of the hydraulic station. The invention also discloses an electromechanical integrated driving device. The invention has the following beneficial effects: the heat generated by the motor can be better dissipated in time. The oil in the oil tank is cooled by the cooling system of the oil tank, so that the sufficient heat dissipation is met, and the waste of energy consumption of the heat dissipation system is avoided. The driving wheel drives the driven wheel to rotate, the driven wheel drives the conveying belt to move, the heat dissipation area is increased, the heat dissipation is good, and the service life of the tire can be prolonged.
Description
Technical Field
The invention relates to an electromechanical hydraulic power system and an electromechanical integrated driving device, belonging to the technical field of machining and manufacturing.
Background
The hydraulic station is a hydraulic source device or a hydraulic device including a control valve, which is composed of a hydraulic oil pump, an oil-cooled oil pump motor, a hydraulic station box body, a combination valve block and the like. The oil supply is carried out according to the flow direction, pressure and flow quantity required by the driving device, the hydraulic system is suitable for various machines with the driving device separated from a hydraulic station, and the hydraulic station is connected with the driving device (an oil cylinder or a motor) through an oil pipe, so that various specified actions can be realized by the hydraulic system.
The optimal working environment temperature of the hydraulic system is generally 14-38 ℃, and the optimal temperature of the hydraulic oil is 20-60 ℃. Most of hydraulic stations used at present are provided with cooling systems, but a driving motor matched with the hydraulic station is not provided with a heat dissipation system, however, the motor can generate a large amount of heat in the using process, and if the heat dissipation effect is poor, the temperature can be increased due to heat accumulation, so that the motor can be burnt.
In addition, the roller is a mechanical part with wide application, and the structure of the roller is usually that a soft material is coated outside a metal roller core. The soft material used initially was nitrile rubber, and later to improve the wear resistance and load carrying capacity of the rollers, polyurethane materials were gradually used in place of nitrile rubber, and polyurethane rollers were developed. The existing polyurethane roller is usually used for conveying goods and is matched with a conveying belt made of rubber materials for use, a large amount of heat can be generated when the polyurethane layer and the conveying belt are operated at a high speed, but the practical performance of the polyurethane roller is not ideal because the existing polyurethane roller does not have the performances of skid resistance and heat dissipation.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the invention are as follows: in order to solve one of the above problems, an electromechanical hydraulic power system and an electromechanical integrated driving device are provided.
The invention relates to an electromechanical hydraulic power system, which comprises a combined valve block and a hydraulic motor, wherein the combined valve block is communicated with the hydraulic motor, and further comprises a hydraulic station, a hydraulic oil pump and an oil-cooled oil pump motor, the hydraulic station comprises a hydraulic station oil storage tank body, the hydraulic oil pump is arranged in the oil storage tank body of the hydraulic station, an oil inlet of the hydraulic oil pump extends into the hydraulic station oil storage tank body through a pipeline, the oil-cooled oil pump motor is arranged outside the oil storage tank body of the hydraulic station, a power output shaft of the oil-cooled oil pump motor is in power connection with a power output shaft of the hydraulic oil pump, the oil-cooled oil pump motor comprises a motor shell, the motor shell is of a hollow columnar structure, motor outer sheaths are sleeved at the front section and the middle section of the motor shell, a spiral channel is arranged between the motor shell and the motor outer sheath, and an, the outer wall of the rear section of the motor outer sheath is provided with an oil receiving port B, the oil receiving port A and the oil receiving port B are respectively connected with a high-pressure oil pipe A and a high-pressure oil pipe B, the other end of the high-pressure oil pipe A is connected into the oil storage tank body, and the other end of the high-pressure oil pipe B is connected to an oil outlet of the hydraulic oil pump.
Preferably, an intermediate layer is arranged between the motor shell and the motor outer sheath, the intermediate layer is of a hollow tubular structure, a spiral channel is formed in the outer surface of the intermediate layer, two ends of the spiral channel are not communicated, the inner diameter of the intermediate layer is in interference fit with the outer diameter of the motor shell, and the outer diameter of the spiral channel is in interference fit with the inner diameter of the motor shell.
Preferably, the length of the motor outer sheath is equal to or shorter than the length of the spiral channel.
Preferably, the contact part of the end part of the motor outer sheath and the middle layer is provided with a chamfer, and the two ends of the motor outer sheath are connected together in a welding mode.
Preferably, the oil-cooled oil pump motor is processed by the following steps:
s1, processing the motor shell: integrally extruding a cylindrical strip section with the same shape as the section of the motor shell by adopting a conventional extrusion process, and sawing the cylindrical strip section to a proper length according to the size of the motor shell;
s2, processing the motor outer sheath, namely integrally extruding a cylindrical strip section with the same cross-sectional shape as the motor outer sheath from an aluminum alloy section by adopting a conventional extrusion process, sawing the cylindrical strip section into a proper length according to the size of the motor outer sheath, and respectively forming a through hole at each of two ends of the motor outer sheath;
s3, processing the middle layer, integrally extruding a cylindrical strip section with the same cross section shape as the middle layer from the aluminum alloy section by adopting a conventional extrusion process, and sawing the cylindrical strip section into a proper length according to the size of the middle layer;
s4, processing a spiral channel, namely increasing the inner diameter of the middle layer in a heating mode, then sleeving the middle layer on the motor shell, cooling the middle layer, then performing interference fit on the motor shell, and then processing the spiral channel on the surface of the middle layer by using a numerical control processing center;
s5, installing the motor outer sheath, namely, increasing the inner diameter of the motor outer sheath in a heating mode, and then sleeving the motor outer sheath on the middle layer;
and S6, welding, namely connecting the end parts of the motor outer sheath and the middle layer together in a welding mode, and welding an oil receiving port A and an oil receiving port B on the motor outer sheath.
The invention also discloses an electromechanical integrated driving device, which comprises the electromechanical hydraulic power system, and further comprises a main wheel frame, a main wheel shaft, a driving wheel, a driven wheel frame, a driven wheel and an inter-frame mounting plate, wherein the main wheel frame comprises a vertical plate A and a vertical plate B which are parallel to each other, the front ends of the vertical plate A and the vertical plate B are respectively connected together through the inter-frame mounting plate, the main wheel shaft is rotatably arranged between the vertical plate A and the vertical plate B, one end of the main wheel shaft is connected with a power output shaft of a hydraulic motor, the driven wheel frame is arranged above the driving wheel, four groups of driven wheels are symmetrically arranged on the driven wheel frame, the wheel rims of the driven wheels are abutted against the wheel rims of the driving wheel, and.
Preferably, the driven wheel carrier includes the crossbeam that the level set up, the both ends of crossbeam are connected with a vertical steel sheet respectively perpendicularly, the bottom of vertical steel sheet is connected with the screw rod section, the bottom of screw rod section passes the mounting panel between the frame and is connected with the nut.
Preferably, the driving wheel and the driven wheel are both polyurethane wheels, and the surfaces of the polyurethane wheels are provided with anti-skid lines.
Preferably, the driving wheel includes a carcass, the carcass is made of polyurethane, a plurality of through holes have been seted up on the carcass, fixedly connected with heat conduction aluminum sheet ring in the through hole, a plurality of heat dissipation flexible fin is formed to the protrusion on the medial surface of heat conduction aluminum sheet ring.
Preferably, the through holes are evenly distributed around the center of the carcass.
Compared with the prior art, the invention has the following beneficial effects:
according to the electromechanical hydraulic power system, the oil-cooled oil pump motor drives the hydraulic oil pump to pump out oil, the oil enters the middle layer of the oil-cooled oil pump motor through the combined valve block and flows in the spiral channel on the middle layer, and the oil flows out and then flows back to the oil tank of the hydraulic station, so that heat generated by the motor can be better dissipated in time. The oil in the oil tank is cooled by the cooling system of the oil tank, so that the sufficient heat dissipation is met, and the waste of energy consumption of the heat dissipation system is avoided.
According to the mechatronic driving device, one end of the main wheel shaft is connected with the power output shaft of the hydraulic motor, the driven wheel frame is arranged above the driving wheel, four groups of driven wheels are symmetrically arranged on the driven wheel frame, the rims of the driven wheels are abutted to the rims of the driving wheel, the driving wheel drives the driven wheels to rotate, the driven wheels drive the conveying belt to move, the heat dissipation area is increased, the heat dissipation is good, and the service life of a tire can be prolonged.
The tyre body is provided with a plurality of through holes, and the through holes are fixedly connected with heat-conducting aluminum sheet rings, so that the heat dissipation area is further increased, the heat dissipation is good, and the service life of the tyre can be prolonged.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of an electro-mechanical hydraulic power system;
FIG. 2 is a schematic structural view of a motor housing;
FIG. 3 is a cross-sectional view of an intermediate layer;
FIG. 4 is an external view of the intermediate layer;
FIG. 5 is a first structural schematic diagram of the mechatronic driving device;
FIG. 6 is a second structural schematic diagram of the mechatronic driving device;
FIG. 7 is a view showing the construction of the driven wheel frame;
fig. 8 is a structural view of the driving wheel.
In the figure: 1. the hydraulic oil pump comprises a hydraulic station 2, a hydraulic oil pump 3, an oil-cooled oil pump motor 3.1, a motor shell 3.2, a motor outer sheath 3.3, an intermediate layer 3.4, an oil receiving port A3.5, an oil receiving port B3.6, a spiral channel 4, a combined valve block 5, a hydraulic motor 6, a main wheel frame 7, a main wheel shaft 8, a driving wheel 8.1, a tire body 8.2, a through hole 8.3, a heat-conducting aluminum sheet ring 9, a driven wheel frame 9.1, a cross beam 9.2, a vertical steel plate 9.3, a screw section 9.4, a nut 10, a driven wheel 11 and an inter-frame mounting plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Examples
As shown in fig. 1-8, the electromechanical hydraulic power system, combination valve block 4 and hydraulic motor 5, combination valve block 4 communicates hydraulic motor 5, and further includes hydraulic station 1, hydraulic oil pump 2 and oil-cooled oil pump motor 3, hydraulic station 1 includes hydraulic station oil storage tank body, hydraulic oil pump 2 is installed in the oil storage tank body of hydraulic station 1, the oil inlet of hydraulic oil pump 2 extends to the interior of oil storage tank body of hydraulic station 1 through the pipeline, oil-cooled oil pump motor 3 is installed outside the oil storage tank body of hydraulic station 1, the power output shaft of oil-cooled oil pump motor 3 is in power connection with the power output shaft of hydraulic oil pump 2, oil-cooled oil pump motor 3 includes motor housing 3.1, motor housing 3.1 is hollow columnar structure, motor housing 3.1's anterior segment and middle-section overcoat are equipped with motor oversheath 3.2, spiral channel has between motor housing 3.1 and motor oversheath 3.2, the outer wall of the front section of the motor outer sheath 3.2 is provided with an oil receiving port A3.4, the outer wall of the rear section of the motor outer sheath 3.2 is provided with an oil receiving port B3.5, the oil receiving port A3.4 and the oil receiving port B3.5 are respectively connected with a high-pressure oil pipe A and a high-pressure oil pipe B, the other end of the high-pressure oil pipe A is connected into the oil storage tank body, and the other end of the high-pressure oil pipe B is connected to an oil outlet of the hydraulic oil pump 2.
In the embodiment, an intermediate layer 3.3 is arranged between the motor shell 3.1 and the motor outer sheath 3.2, the intermediate layer 3.3 is of a hollow tubular structure, a spiral channel 3.6 is formed in the outer surface of the intermediate layer 3.3, two ends of the spiral channel are not communicated, the inner diameter of the intermediate layer 3.3 is in interference fit with the outer diameter of the motor shell 3.1, and the outer diameter of the spiral channel 3.6 is in interference fit with the inner diameter of the motor shell 3.1; the length of the motor outer sheath 3.2 is equal to the length which is shorter than the length of the spiral channel 3.6; the contact part of the end part of the motor outer sheath 3.2 and the middle layer 3.3 is provided with a chamfer, and the two ends of the motor outer sheath are connected together in a welding mode; the oil-cooled oil pump motor 3 is processed by the following steps: s1, processing of the motor shell 3.1: integrally extruding a cylindrical strip section with the same cross section shape as that of the motor shell 3.1 by adopting a conventional extrusion process, and sawing the cylindrical strip section into a proper length according to the size of the motor shell 3.1; s2, processing the motor outer sheath 3.2, integrally extruding a cylindrical strip section with the same cross section shape as the motor outer sheath 3.2 from an aluminum alloy section by adopting a conventional extrusion process, sawing the cylindrical strip section into a proper length according to the size of the motor outer sheath 3.2, and respectively forming a through hole at each of two ends of the motor outer sheath 3.2; s3, processing the middle layer 3.3, integrally extruding a cylindrical long-strip section with the same cross-sectional shape as the middle layer 3.3 by the aluminum alloy section by adopting a conventional extrusion process, and sawing the cylindrical long-strip section into a proper length according to the size of the middle layer 3.3; s4, machining the spiral channel 3.6, namely increasing the inner diameter of the middle layer 3.3 in a heating mode, then sleeving the middle layer 3.3 on the motor shell 3.1, cooling the middle layer 3.3, then performing interference fit on the motor shell 3.1, and then machining the spiral channel 3.6 on the surface of the middle layer 3.3 by using a numerical control machining center; s5, installing the motor outer sheath 3.2, enabling the inner diameter of the motor outer sheath 3.2 to be enlarged in a heating mode, and then sleeving the motor outer sheath 3.2 on the middle layer 3.3; and S6, welding, wherein the end parts of the motor outer sheath 3.2 and the middle layer 3.3 are connected together in a welding mode, and an oil receiving port A3.4 and an oil receiving port B3.5 are welded on the motor outer sheath 3.2.
The invention also discloses an electromechanical integrated driving device, which comprises the electromechanical hydraulic power system, and further comprises a main wheel frame 6, a main wheel shaft 7, a driving wheel 8, a driven wheel frame 9, a driven wheel 10 and an inter-frame mounting plate 11, wherein the main wheel frame 6 comprises a vertical plate A and a vertical plate B which are parallel to each other, the front ends of the vertical plate A and the vertical plate B are respectively connected together through the inter-frame mounting plate 11, the main wheel shaft 7 is rotatably arranged between the vertical plate A and the vertical plate B, one end of the main wheel shaft 7 is connected with a power output shaft of a hydraulic motor 5, the driven wheel frame 9 is arranged above the driving wheel 8, four groups of driven wheels 10 are symmetrically arranged on the driven wheel frame 9, the wheel rims of the driven wheels 10 are abutted against the wheel rims of the driving wheel 8, and the; the driven wheel frame 9 comprises a horizontal beam 9.1, two ends of the horizontal beam 9.1 are respectively and vertically connected with a vertical steel plate 9.2, the bottom end of the vertical steel plate 9.2 is connected with a screw section 9.3, and the bottom end of the screw section 9.3 penetrates through an inter-frame mounting plate 11 to be connected with a nut 9.4; the driving wheel 8 and the driven wheel 10 are both polyurethane wheels, and the surfaces of the polyurethane wheels are provided with anti-skid lines; the driving wheel 8 comprises a tire body 8.1, the tire body 8.1 is made of polyurethane, a plurality of through holes 8.2 are formed in the tire body 8.1, heat-conducting aluminum sheet rings 8.3 are fixedly connected in the through holes 8.2, and a plurality of heat-radiating flexible fins are formed on the inner side surfaces of the heat-conducting aluminum sheet rings 8.3 in a protruding mode; the through holes 8.2 are evenly distributed around the center of the tire body 8.1.
The working principle of the invention is as follows: the oil cooling type oil pump motor drives the hydraulic oil pump to pump oil, the oil enters the middle layer of the oil cooling type oil pump motor through the combination valve block and flows in the spiral channel on the middle layer, and the oil flows back to the oil tank of the hydraulic station after flowing out, so that heat generated by the motor is dissipated out in time. The oil in the oil tank is cooled by the cooling system of the oil tank, so that the sufficient heat dissipation is met, and the waste of energy consumption of the heat dissipation system is avoided.
The hydraulic oil pump 2 drives the hydraulic motor 5 to rotate, the hydraulic motor 5 drives the main wheel shaft 7 to rotate, the driving wheel drives the driven wheel to rotate, the driven wheel drives the conveying belt to move, the heat dissipation area is increased, heat dissipation is good, and the service life of the tire can be prolonged.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an electromechanical hydraulic power system, includes combination valve block (4) and hydraulic motor (5), combination valve block (4) intercommunication hydraulic motor (5), its characterized in that: still include hydraulic pressure station (1), hydraulic oil pump (2) and oil cooling type oil pump motor (3), hydraulic pressure station (1) is including the hydraulic pressure station oil storage tank body, installs hydraulic oil pump (2) in the oil storage tank body of hydraulic pressure station (1), and the oil inlet of hydraulic oil pump (2) extends to hydraulic pressure station (1) oil storage tank body in through the pipeline, and oil cooling type oil pump motor (3) are installed to the oil storage tank body of hydraulic pressure station (1) outward, the power output shaft of oil cooling type oil pump motor (3) is connected with the power output shaft power of hydraulic oil pump (2), oil cooling type oil pump motor (3) include motor housing (3.1), motor housing (3.1) is hollow column structure, the anterior segment and the middle-section overcoat of motor housing (3.1) are equipped with motor oversheath (3.2), spiral channel has between motor housing (3.1) and motor oversheath (3.2), the oil receiving port A (3.4) is formed in the outer wall of the front section of the motor outer sheath (3.2), the oil receiving port B (3.5) is formed in the outer wall of the rear section of the motor outer sheath (3.2), the oil receiving port A (3.4) and the oil receiving port B (3.5) are connected with a high-pressure oil pipe A and a high-pressure oil pipe B respectively, the other end of the high-pressure oil pipe A is connected into the oil storage tank body, and the other end of the high-pressure oil pipe B is connected to an oil outlet of the hydraulic oil pump (2).
2. The electro-mechanical hydraulic power system of claim 1, wherein: intermediate level (3.3) have between motor housing (3.1) and motor oversheath (3.2), intermediate level (3.3) are hollow tubular structure, helical channel (3.6) have been seted up to intermediate level (3.3) surface, and the end is not led to at the helical channel both ends, the internal diameter of intermediate level (3.3) and the external diameter interference fit of motor housing (3.1), the external diameter interference fit of the external diameter of helical channel (3.6) and motor housing (3.1).
3. The electro-mechanical hydraulic power system of claim 2, wherein: the length of the motor outer sheath (3.2) is equal to the length of the spiral channel (3.6).
4. The electro-mechanical hydraulic power system of claim 3, wherein: the contact position of the end part of the motor outer sheath (3.2) and the middle layer (3.3) is provided with a chamfer, and the two ends of the motor outer sheath are connected together in a welding mode.
5. The electro-mechanical hydraulic power system of claim 4, wherein: the oil-cooled oil pump motor (3) is processed by the following steps:
s1, processing of the motor shell (3.1): the aluminum alloy section integrally extrudes a cylindrical long section with the same cross section shape as the motor shell (3.1) by adopting a conventional extrusion process, and the cylindrical long section is sawn to a proper length according to the size of the motor shell (3.1);
s2, processing the motor outer sheath (3.2), integrally extruding a cylindrical strip section with the same cross-sectional shape as the motor outer sheath (3.2) from the aluminum alloy section by adopting a conventional extrusion process, sawing the cylindrical strip section to a proper length according to the size of the motor outer sheath (3.2), and respectively forming a through hole at each of two ends of the motor outer sheath (3.2);
s3, processing the intermediate layer (3.3), extruding a cylindrical long-strip section with the same cross-sectional shape as the intermediate layer (3.3) by the aluminum alloy section integrally by adopting a conventional extrusion process, and sawing the cylindrical long-strip section to a proper length according to the size of the intermediate layer (3.3);
s4, processing the spiral channel (3.6), namely increasing the inner diameter of the middle layer (3.3) in a heating mode, then sleeving the middle layer (3.3) on the motor shell (3.1), cooling the middle layer (3.3), then performing interference fit on the motor shell (3.1), and then processing the spiral channel (3.6) on the surface of the middle layer (3.3) by using a numerical control processing center;
s5, installing the motor outer sheath (3.2), namely increasing the inner diameter of the motor outer sheath (3.2) in a heating mode, and then sleeving the motor outer sheath (3.2) on the middle layer (3.3);
and S6, welding, namely connecting the end parts of the motor outer sheath (3.2) and the middle layer (3.3) together in a welding mode, and welding an oil receiving port A (3.4) and an oil receiving port B (3.5) on the motor outer sheath (3.2).
6. An mechatronic drive arrangement which characterized in that: comprising the electro-mechanical hydraulic power system according to any one of claims 1 to 5, further comprising a main wheel carrier (6), a main wheel shaft (7), a driving wheel (8), a driven wheel carrier (9), a driven wheel (10) and an inter-carrier mounting plate (11), the main wheel frame (6) comprises a vertical plate A and a vertical plate B which are parallel to each other, the front ends of the vertical plate A and the vertical plate B are respectively connected together through an inter-frame mounting plate (11), a main wheel shaft (7) is rotatably arranged between the vertical plate A and the vertical plate B, one end of the main wheel shaft (7) is connected with the power output shaft of the hydraulic motor (5), a driven wheel frame (9) is arranged above the driving wheel (8), four groups of driven wheels (10) are symmetrically arranged on the driven wheel frame (9), the rim of the driven wheel (10) is abutted against the rim of the driving wheel (8), and the driving wheel (8) drives the driven wheel (10) to rotate.
7. The mechatronic drive device according to claim 6, characterized in that: from crossbeam (9.1) that driven wheel carrier (9) set up including the level, the both ends of crossbeam (9.1) are connected with a vertical steel sheet (9.2) respectively perpendicularly, the bottom of vertical steel sheet (9.2) is connected with screw rod section (9.3), the bottom of screw rod section (9.3) is passed mounting panel (11) and is connected with nut (9.4) between the frame.
8. The mechatronic drive device according to claim 7, characterized in that: the driving wheel (8) and the driven wheel (10) are both polyurethane wheels, and the surfaces of the polyurethane wheels are provided with anti-skid lines.
9. An mechatronic drive device according to claim 8, characterized in that: the driving wheel (8) comprises a tire body (8.1), the tire body (8.1) is made of polyurethane, a plurality of through holes (8.2) are formed in the tire body (8.1), heat-conducting aluminum sheet rings (8.3) are fixedly connected in the through holes (8.2), and a plurality of heat-radiating flexible fins are formed on the inner side faces of the heat-conducting aluminum sheet rings (8.3) in a protruding mode.
10. An mechatronic drive device according to claim 9, characterized in that: the through holes (8.2) are uniformly distributed around the center of the tire body (8.1).
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