CN113788069A - Heat dissipation type steering pipeline system assembly - Google Patents
Heat dissipation type steering pipeline system assembly Download PDFInfo
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- CN113788069A CN113788069A CN202111101824.4A CN202111101824A CN113788069A CN 113788069 A CN113788069 A CN 113788069A CN 202111101824 A CN202111101824 A CN 202111101824A CN 113788069 A CN113788069 A CN 113788069A
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- Prior art keywords
- heat dissipation
- oil
- steering
- steering gear
- power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
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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
Abstract
The application relates to the technical field of automobile steering systems, in particular to a heat dissipation type steering pipeline system assembly, include: the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder are communicated through the pipeline assembly; the heat dissipation assembly comprises a plurality of groups of cooling fins which are respectively positioned on the surfaces of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder, and a plurality of heat dissipation covers which are respectively arranged on the outer sides of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder, the heat dissipation cover part is connected with the outer surface of the steering gear, the outer surface of the oil pump, the outer surface of the oil tank or the power-assisted oil cylinder, and gaps are reserved between the inner walls of the heat dissipation covers and the cooling fins. The setting of radiator unit in this application is convenient for when not influencing steering pipe system and arranging the space, dispels the heat to the hydraulic oil in the steering pipe system, and maintains the vehicle and turn to normal operating.
Description
Technical Field
The application relates to the technical field of automobile steering systems, in particular to a heat dissipation type steering pipeline system assembly.
Background
For heavy-duty trucks, severe use conditions are often accompanied, particularly heavy-duty engineering trucks frequently steer on complex construction sites, so that the temperature of hydraulic oil in a steering pipeline system is increased, and when the temperature is increased to a certain temperature, the steering hydraulic oil becomes thin, the performance of the steering oil is poor, and the power-assisted steering function is weakened, so that heavy steering faults are caused.
The power steering gear assembly, the power steering oil pump, the steering oil tank assembly and the hydraulic power-assisted oil cylinder are main sources of high oil temperature in a steering pipeline system. The power steering gear and the power steering oil pump can generate the phenomena of output pressure reduction, flow reduction and even unsmooth oil supply under the working state of high-temperature steering oil, so that the power-assisted efficiency of a steering pipeline system is weakened or even loses efficacy, the driving steering becomes laborious, and further the driving potential safety hazard exists. In addition, the ageing of each rubber sealing element in the steering system is accelerated due to the overhigh temperature of the steering hydraulic oil, so that the sealing performance is reduced, the service life of related parts is affected, and the reliability and the durability of the steering system are affected.
In the related art, a steering pipeline system oil temperature heat dissipation device (such as an oil cooler) is arranged on a vehicle to cool hydraulic oil in a pipeline, so that the influence of overhigh temperature of the steering hydraulic oil on normal steering of the vehicle is reduced.
However, the design of the vehicle is compact, and is limited by the layout space, it is difficult to realize a new oil temperature increasing heat dissipation device in the steering system, and four core assemblies in the steering pipeline system: the power steering gear assembly, the steering oil tank assembly, the power steering oil pump and the hydraulic power-assisted oil cylinder are all main sources for generating heat, the heat dissipation of hydraulic oil in a pipeline is carried out only through the oil temperature heat dissipation device, the effect is limited, the temperature of the hydraulic oil in the whole steering system is still difficult to control, and the normal steering of a vehicle is influenced.
Disclosure of Invention
The embodiment of the application provides a heat dissipation type steering pipeline system assembly to solve the technical problem that the normal steering of a vehicle is influenced by the temperature of hydraulic oil in a steering pipeline system which is difficult to control in the related art.
A heat dissipating steering line system assembly, comprising:
the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder are communicated through the pipeline assembly;
the heat dissipation assembly comprises a plurality of groups of cooling fins which are respectively positioned on the surfaces of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder, and a plurality of heat dissipation covers which are respectively arranged on the outer sides of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder, the heat dissipation cover part is connected with the outer surface of the steering gear, the outer surface of the oil pump, the outer surface of the oil tank or the power-assisted oil cylinder, and gaps are reserved between the inner walls of the heat dissipation covers and the cooling fins.
Due to the arrangement, because the surfaces of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder are all provided with the radiating fins, the radiating areas of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder are increased, the radiating of the hydraulic oil in the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder is convenient, meanwhile, the heat dissipation cover is sleeved outside the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder, on one hand, the heat dissipation plate is shielded, the possibility that workers are hit by the radiating fins in the installation process is reduced, and on the other hand, because gaps are reserved between the radiating fins and the radiating cover, the heat dissipation area of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder is further enlarged while the heat dissipation of the heat dissipation fins is not influenced, therefore, the temperature of hydraulic oil flowing in the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder is easily dissipated, the temperature of the hydraulic oil in the steering pipeline system is conveniently controlled, and the normal operation of the whole steering pipeline system is maintained.
In some embodiments, the heat dissipation cover is provided with a plurality of air guiding holes.
Due to the arrangement, on one hand, the protection effect on the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder is maintained, and meanwhile, the weight of the heat dissipation cover is reduced, so that the design is light, on the other hand, hot air taken away by the heat dissipation fins is easier to dissipate through the air guide holes, and the heat dissipation effect of the steering pipeline system is improved.
In some embodiments, the area of the air guide hole on the windward side of the heat dissipation cover is smaller than the area of the air guide hole on the downwind side of the heat dissipation cover.
According to the aerodynamic theory: the velocity of the air flow rate is inversely proportional to the pressure. That is, the faster the air flow rate, the lower the pressure; the slower the air flow rate, the greater the pressure. When the vehicle runs, the heat dissipation holes on the windward side and the downwind side of the heat dissipation cover are designed differently, so that pressure difference is generated between the inner side and the outer side of the heat dissipation cover, the heat dissipation cover is more favorable for guiding hot air of a steering gear, an oil pump, an oil tank and a power-assisted oil cylinder, and the heat dissipation performance of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder is enhanced.
In some embodiments, a plurality of support lugs are connected to the heat dissipation cover, and the support lugs are connected to the outer side surface of the steering gear, the oil pump, the oil tank or the power cylinder.
The arrangement is that the heat dissipation cover is directly connected with the steering gear, the oil pump, the oil tank or the power-assisted oil cylinder through the support lug, so that heat on the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder is conducted to the heat dissipation cover conveniently, the heat dissipation areas of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder are increased, the cooling of hydraulic oil in a steering pipeline system is facilitated, and the normal operation of a vehicle is maintained. Through this kind of mode to steering gear, oil pump, oil tank and power cylinder dispel the heat, need not newly to increase other heat abstractor, do not exert an influence to the current design space in the steering pipe system.
In some embodiments, the diverter includes a plurality of studs, and the diverter is coupled to the lug by a plurality of the studs.
Set up like this, the setting of double-end stud need not to increase connection structure newly on the surface of steering gear, and does not cause the influence to the current structure of steering gear, has increased the accommodation of heat exchanger installation, is convenient for dispel the heat to the steering gear of different grade type.
In some embodiments, the heat dissipating steering line system assembly further comprises a wire harness bracket coupled to the steering gear via the stud.
Set up like this, the heat radiating area of steering gear has further been increased on the one hand to the setting of the wire harness support on the steering gear, and improves the heat radiating performance of steering gear department, and on the other hand provides the mounted position that needs fixed braking system tube bank and electric system pencil, rational utilization space.
In some embodiments, the pipeline assembly comprises a steel pipe and a hose which are arranged in a communicating manner, the steering gear, the oil pump and the oil tank are communicated through the steel pipe, and the power cylinder is communicated with the hose.
In some embodiments, the steel tube is provided in a multi-segment bent shape.
Set up like this, the bending setting of steel pipe for the delivery path extension of hydraulic oil, when hydraulic oil in the steel pipe flows, the temperature accessible steel pipe of hydraulic oil gives off, is convenient for reduce the temperature of hydraulic oil.
In some embodiments, the heat dissipation assembly further includes a plurality of heat dissipation rings, and the plurality of heat dissipation rings are all sleeved on the steel tube.
The area of the outer side face of the steel pipe is increased due to the arrangement of the heat dissipation ring on the outer side face of the steel pipe, the heat dissipation area of the steel pipe is increased, and the heat of hydraulic oil in the steel pipe can be taken away more easily.
In some embodiments, the heat dissipation assembly further comprises a steel wire sheath, and the steel wire sheath is sleeved on the hose.
Due to the arrangement of the steel wire sheath, on one hand, the steel wire sheath protects the hose and reduces the possibility that the hose is bruised or scratched; on the other hand, the steel wire sheath can assist the hose in radiating due to the contact with the hose, and the temperature of hydraulic oil in the hose is reduced.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a heat dissipation type steering pipeline system assembly, because the surfaces of a steering gear, an oil pump, an oil tank and a power-assisted oil cylinder are all provided with heat dissipation fins, the heat dissipation areas of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder are increased, the heat dissipation of hydraulic oil in the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder is convenient, meanwhile, heat dissipation covers are sleeved on the outer sides of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder, on one hand, the heat dissipation fins are shielded, the possibility that workers are injured by the heat dissipation fins in the installation process is reduced, on the other hand, because gaps are reserved between the heat dissipation fins and the heat dissipation covers, the heat dissipation areas of the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder are further enlarged while the heat dissipation of the heat dissipation fins is not influenced, the temperature of the hydraulic oil flowing in the steering gear, the oil pump, the oil tank and the power-assisted oil cylinder is easily dissipated, and the temperature of the hydraulic oil in the steering pipeline system is conveniently controlled, and maintaining the normal operation of the whole steering pipeline system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a heat dissipating steering line system assembly according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a duct assembly and a diverter provided in accordance with an embodiment of the present application;
FIG. 3 is a schematic diagram of a piping assembly, an oil pump and an oil tank provided in an embodiment of the present application;
FIG. 4 is a schematic diagram of a pipe assembly and a power cylinder according to an embodiment of the present disclosure;
fig. 5 is a schematic view of a heat sink assembly and a diverter provided in an embodiment of the present application;
FIG. 6 is a schematic view of a diverter provided in an embodiment of the present application;
FIG. 7 is a schematic view of a heat sink cover at a diverter provided in an embodiment of the present application;
fig. 8 is a schematic view of an oil tank provided in an embodiment of the present application;
fig. 9 is a schematic view of a heat dissipation cover at an oil tank according to an embodiment of the present disclosure;
FIG. 10 is a schematic diagram of a power cylinder provided in an embodiment of the present disclosure;
fig. 11 is a schematic view of a heat dissipation cover at a power cylinder according to an embodiment of the present application.
In the figure: 1. a diverter; 101. a stud; 2. an oil pump; 3. an oil tank; 4. a booster cylinder; 5. a tubing assembly; 501. a steel pipe; 502. a hose; 601. a heat sink; 602. a heat dissipation cover; 6021. a wind guide hole; 603. a heat dissipation ring; 604. a steel wire sheath; 7. supporting a lug; 8. hooking; 9. a wire harness support.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For heavy-duty trucks, severe use conditions are often accompanied, particularly heavy-duty engineering trucks frequently steer on complex construction sites, so that the temperature of hydraulic oil in a steering pipeline system is increased, and when the temperature is increased to a certain temperature, the steering hydraulic oil becomes thin, the performance of the steering oil is poor, and the power-assisted steering function is weakened, so that heavy steering faults are caused.
The power steering gear assembly, the power steering oil pump, the steering oil tank assembly and the hydraulic power-assisted oil cylinder are main sources of high oil temperature in a steering pipeline system. The power steering gear and the power steering oil pump can generate the phenomena of output pressure reduction, flow reduction and even unsmooth oil supply under the working state of high-temperature steering oil, so that the power-assisted efficiency of a steering pipeline system is weakened or even loses efficacy, the driving steering becomes laborious, and further the driving potential safety hazard exists. In addition, the ageing of each rubber sealing element in the steering system is accelerated due to the overhigh temperature of the steering hydraulic oil, so that the sealing performance is reduced, the service life of related parts is affected, and the reliability and the durability of the steering system are affected.
In the related art, a steering pipeline system oil temperature heat dissipation device (such as an oil cooler) is arranged on a vehicle to cool hydraulic oil in a pipeline, so that the influence of overhigh temperature of the steering hydraulic oil on normal steering of the vehicle is reduced.
However, the design of the vehicle is compact, and is limited by the layout space, it is difficult to realize a new oil temperature increasing heat dissipation device in the steering system, and four core assemblies in the steering pipeline system: the power steering gear assembly, the steering oil tank assembly, the power steering oil pump and the hydraulic power-assisted oil cylinder are all main sources for generating heat, the heat dissipation of hydraulic oil in a pipeline is carried out only through the oil temperature heat dissipation device, the effect is limited, the temperature of the hydraulic oil in the whole steering system is still difficult to control, and the normal steering of a vehicle is influenced.
The embodiment of the application provides a heat dissipation type steering pipeline system assembly, which can solve the technical problem that the normal steering of a vehicle is influenced by the temperature of hydraulic oil in a steering pipeline system which is difficult to control in the related technology.
A heat dissipating steering line system assembly, comprising:
the steering gear comprises a pipeline assembly 5, and a steering gear 1, an oil pump 2, an oil tank 3 and a power-assisted oil cylinder 4 which are communicated and arranged through the pipeline assembly 5;
the heat dissipation assembly comprises a plurality of groups of heat dissipation fins 601 which are respectively positioned on the surfaces of the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted oil cylinder 4, and a plurality of heat dissipation covers 602 which are respectively arranged on the outer sides of the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted oil cylinder 4, wherein the heat dissipation cover parts are connected with the outer surfaces of the steering gear 1, the oil pump 2, the oil tank 3 or the power-assisted oil cylinder 4, and gaps are reserved between the inner walls of the heat dissipation covers 602 and the heat dissipation fins 601.
Referring to fig. 1 to 4, the heat dissipation type steering pipeline system assembly includes a pipeline component 5, and a steering gear 1, an oil pump 2, an oil tank 3 and a power cylinder 4 which are communicated with each other through the pipeline component 5, in this embodiment, the steering gear 1, the oil pump 2 and the oil tank 3 are communicated with each other to form a loop, the steering gear 1 is communicated with the power cylinder 4, when a vehicle steers, hydraulic oil flows in the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4, and along with the pressurized flow of the hydraulic oil and the friction between the hydraulic oil and the inner wall of the pipeline, the temperature of the hydraulic oil is easy to rise, and the self-performance of the hydraulic oil is affected, thereby affecting the steering process of the vehicle.
Referring to fig. 1 to 4, the heat dissipation type steering pipeline system assembly further includes a heat dissipation component, where the heat dissipation component assists in dissipating heat from the pipeline component 5, the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4, so as to control the temperature of hydraulic oil in the pipeline component 5, the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4, facilitate heat dissipation of hydraulic oil flowing in the steering pipeline system, and maintain normal operation of vehicle steering.
Referring to fig. 1, 6, 8 and 10, the heat dissipation assembly includes a plurality of sets of heat dissipation fins 601 respectively disposed on the surfaces of the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4, and the heat dissipation fins 601 are made of metal or alloy material such as cast iron, steel, aluminum and the like. The number of the heat radiating fins 601 in each group is determined by the peripheral surface area of the steering gear 1, the oil pump 2, the oil tank 3 and the booster cylinder 4, the heat radiating fins 601 are welded and fixed on the surfaces of the steering gear 1, the oil pump 2, the oil tank 3 and the booster cylinder 4, and the heat radiating fins 601 are arranged at intervals, so that the heat radiating fins 601 are not easily influenced with each other.
Furthermore, the edges of the welding positions of the radiating fins 601 and the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4 are in round transition, so that the contact area of the radiating fins 601 with the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4 is further increased, and the radiating effect is improved. The edges and corners of the cooling fins 601 are all in arc transition, so that the cooling fins 601 are not easy to scratch workers in the manufacturing, carrying and installing processes of the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4.
Referring to fig. 1 to 4, the heat dissipation assembly further includes a plurality of heat dissipation covers 602 respectively sleeved on the periphery of the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4, the heat dissipation covers 602 are made of metal or alloy materials such as cast iron, steel, aluminum and the like, and the heat dissipation cover portions are connected with the outer surfaces of the steering gear 1, the oil pump 2, the oil tank 3 or the power cylinder 4. The heat dissipation cover 602 is customized in different shapes and sizes according to the structures and sizes of the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4. The heat dissipation cover 602 is sleeved outside the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted oil cylinder 4, and the heat dissipation cover 602 can be arranged in an arc plate shape or a sleeve shape according to the difference of the external shapes and structures of the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted oil cylinder 4. A gap is left between the inner wall of the heat dissipation cover 602 and the heat dissipation fins 601, and the heat dissipation cover 602 does not limit the heat dissipation of the heat dissipation fins 601. Meanwhile, as the heat dissipation cover 602 is in contact with the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4, the heat dissipation cover 602 further increases the surface areas of the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4, and the heat dissipation effect of the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4 can be improved by using the heat dissipation cover 602. The heat dissipation cover 602 also protects the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4, so that the risk that sharp edges of assembling workers and maintenance workers are hurt by the heat dissipation fins 601 can be avoided, and an energy absorption protection effect can be provided for the external impact on the steering gear 1, the oil pump 2, the oil tank 3 or the power cylinder 4.
Due to the arrangement, the surfaces of the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted cylinder 4 are all provided with the radiating fins 601, so that the radiating areas of the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted cylinder 4 are increased, the heat dissipation of hydraulic oil in the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted cylinder 4 is facilitated, meanwhile, the radiating cover 602 is sleeved outside the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted cylinder 4, on one hand, the radiating fins 601 are shielded, so that the possibility that workers are injured by the radiating fins 601 in the installation process is reduced, on the other hand, because gaps are reserved between the radiating fins 601 and the radiating cover 602, the radiating areas of the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted cylinder 4 are further enlarged while the heat dissipation of the radiating fins 601 is not influenced, therefore, the temperature of the hydraulic oil in the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted cylinder 4 is easily dissipated, and the temperature of hydraulic oil in a steering pipeline system is conveniently controlled, and maintaining the normal operation of the whole steering pipeline system.
Optionally, the heat dissipation cover 602 is provided with a plurality of air guide holes 6021.
Referring to fig. 5 and 7, a plurality of air guide holes 6021 are formed in the heat dissipation cover 602, and the air guide holes 6021 are arranged in one or more of a circle, an ellipse, a direction and a polygon. The inner side and the outer side of the heat dissipation cover 602 are communicated through the air guide hole 6021.
With the arrangement, the air guide holes 6021 reduce the weight of the heat dissipation cover 602 and facilitate the lightweight design while maintaining the protective effect on the steering gear 1, the oil pump 2, the oil tank 3, and the booster cylinder 4, and on the other hand, the hot air taken away by the heat dissipation fins 601 is more easily dissipated through the air guide holes 6021, thereby improving the heat dissipation effect of the steering pipe system.
Optionally, the area of the air guide hole 6021 at the windward side of the heat dissipation cover 602 is smaller than the area of the air guide hole 6021 at the downwind side of the heat dissipation cover 602.
Referring to fig. 5 and fig. 7, in the present embodiment, the areas of the air guide holes 6021 at different positions of the heat dissipation cover 602 are different, and the area of the heat dissipation holes at the windward side of the heat dissipation cover 602 is smaller than the area of the air guide holes 6021 at the windward side of the heat dissipation cover 602. The heat dissipation cover 602 is divided into a windward area and a downwind area, and since the heat dissipation cover 602 is arranged in an arc plate shape, the windward area occupies a central angle of the heat dissipation cover 602 of 30 to 60 degrees, preferably 60 degrees. When the vehicle travels, the windward side is disposed facing the traveling direction of the vehicle. The downwind surfaces are located at two opposite edges of the windward surface, and the area of each downwind surface occupies 30-60 degrees of the central angle of the heat dissipation cover 602, and in this embodiment, 60 degrees is preferred.
In this embodiment, the air guide hole 6021 at the windward side of the heat dissipation cover 602 is arranged in a circular hole shape, while the air guide hole 6021 at the downwind side is arranged in an elliptical hole shape, and a long axis of the elliptical hole-shaped air guide hole 6021 extends along the circumferential direction of the heat dissipation cover 602.
So arranged, according to aerodynamic theory: the velocity of the air flow rate is inversely proportional to the pressure. That is, the faster the air flow rate, the lower the pressure; the slower the air flow rate, the greater the pressure. When the vehicle runs, the heat dissipation holes on the windward side and the downwind side of the heat dissipation cover 602 are designed differently, so that pressure difference is generated between the inner side and the outer side of the heat dissipation cover 602, the heat dissipation cover 602 is more favorable for guiding hot air of the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted oil cylinder 4, and the heat dissipation performance of the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted oil cylinder 4 is enhanced.
Optionally, a plurality of support lugs 7 are connected to the heat dissipation cover 602, and the support lugs 7 are connected to the outer side surfaces of the steering gear 1, the oil pump 2, the oil tank 3, or the power cylinder 4.
Referring to fig. 7, 9 and 11, a plurality of support lugs 7 are connected to the heat dissipation cover 602, and the support lugs 7 are welded or integrally formed on the heat dissipation cover 602, in this embodiment, the support lugs 7 are preferably integrally formed with the heat dissipation cover 602, and it can be understood that the support lugs 7 and the heat dissipation cover 602 are made of aluminum material with good heat conductivity. The support lugs 7 on the heat dissipation cover 602 positioned outside the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4 are directly connected with the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4 respectively, so that heat on the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4 is conducted to the heat dissipation cover 602, and the heat dissipation area of the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4 is increased. The support lug 7 can be fixed on the surface of the steering gear 1, the oil pump 2, the oil tank 3 or the power cylinder 4 by one or more of welding, bolts, rivets and bolts, so that the support lug 7 is tightly connected with the surface of the steering gear 1, the oil pump 2, the oil tank 3 or the power cylinder 4.
Due to the arrangement, the heat dissipation cover 602 is directly connected with the steering gear 1, the oil pump 2, the oil tank 3 or the power cylinder 4 through the support lug 7, so that heat on the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4 can be conveniently conducted to the heat dissipation cover 602, the heat dissipation areas of the steering gear 1, the oil pump 2, the oil tank 3 and the power cylinder 4 are increased, the cooling of hydraulic oil in a steering pipeline system is facilitated, and the normal operation of a vehicle is maintained. Through the mode, the steering gear 1, the oil pump 2, the oil tank 3 and the power-assisted oil cylinder 4 are radiated, other radiating devices do not need to be additionally arranged, and the existing design space in a steering pipeline system is not influenced.
Optionally, the steering gear 1 comprises a plurality of studs 101, and the steering gear 1 is connected to the support lug 7 by a plurality of studs 101.
Referring to fig. 5 and 6, in which the steering gear 1 includes a plurality of studs 101, in this embodiment, a part of the fastening bolt for the steering gear 1 itself may be replaced by the stud 101, one end of the stud 101 fastens the housing of the steering gear 1 itself, and the other end of the stud 101 is fixed by the support lug 7 on the heat dissipation cover 602 outside the steering gear 1, that is, the support lug 7 is fixed on the outside surface of the steering gear 1 through the stud 101. And the oil pump 2, the oil tank 3 and the support lug 7 on the heat dissipation cover 602 outside the power cylinder 4 are all fixed on the surfaces of the oil pump 2, the oil tank 3 and the power cylinder 4 through bolts.
With the arrangement, the stud bolt 101 is arranged, a connecting structure does not need to be additionally arranged on the surface of the steering gear 1, the existing structure of the steering gear 1 is not affected, the application range of the installation of the heat dissipation cover 602 is enlarged, and the heat dissipation of the steering gear 1 of different types is facilitated.
Optionally, the heat dissipation type steering pipeline system assembly further comprises a wire harness support 9, and the wire harness support 9 is connected to the steering gear 1 through the stud bolt 101.
Referring to fig. 5 and 6, the heat dissipation type steering pipeline system assembly further comprises a wire harness support 9, and the wire harness support 9 is also connected with the steering gear 1 through a stud bolt 101 on the steering gear 1.
Set up like this, the setting of pencil support 9 on the steering gear 1 has further increased the heat radiating area of steering gear 1 on the one hand, and improves the heat dispersion of steering gear 1 department, and on the other hand provides the mounted position that needs fixed braking system tube bank and electrical system pencil, rational utilization space.
Referring to fig. 8 and 9, further, a plurality of hooks 8 are arranged on a part of the heat dissipation cover 602, in this embodiment, a plurality of hooks 8 are integrally formed on the heat dissipation cover 602 outside the oil tank 3, and the hooks 8 are hung on the top surface of the oil tank 3, so that heat can be conducted from the hooks 8 to the heat dissipation cover 602, and the stability of installation of the heat dissipation cover 602 outside the oil tank 3 is improved.
Optionally, the pipeline assembly 5 includes a steel pipe 501 and a hose 502 which are arranged in a communicating manner, the steering gear 1, the oil pump 2 and the oil tank 3 are communicated through the steel pipe 501, and the power cylinder 4 is communicated with the hose 502.
Referring to fig. 1 to 4, a piping assembly 5 communicates the steering gear 1, the oil pump 2, the oil tank 3, and the booster cylinder 4, and provides a piping for transferring hydraulic oil. The pipeline assembly 5 comprises a steel pipe 501 and a hose 502, the steering gear 1, the oil pump 2 and the oil tank 3 are communicated through the steel pipe 501, specifically, the oil outlet end of the oil tank 3 is communicated with the oil inlet end of the oil pump 2 through the steel pipe 501, the oil outlet end of the oil pump 2 is communicated with the oil inlet end of the steering gear 1 through the steel pipe 501 and the hose 502, and the oil outlet end of the steering gear 1 is communicated with the oil inlet end of the oil tank 3 through the steel pipe 501 and the hose 502. Wherein the oil inlet end of the oil tank 3 and the oil outlet end of the oil pump 2 are both communicated with a hose 502, the oil tank 3 and the oil pump 2 are communicated through a steel pipe 501, the oil inlet end and the oil outlet end of the steering gear 1 are both communicated with the steel pipe 501, and the steel pipe 501 is communicated with the hose 502 to communicate the steering gear 1 with the oil pump 2 and the oil tank 3.
The hydraulic oil enters the steering gear 1 after being pressurized by the oil pump 2, and flows back to the oil tank 3 after the hydraulic oil steering gear 1 comes out.
The oil inlet end and the oil outlet end of the power cylinder 4 are both communicated with a hose 502, the hoses 502 at the oil inlet end and the oil outlet end of the power cylinder 4 are both communicated with a steel pipe 501 and are communicated with the steering gear 1 through the steel pipe 501, and therefore the power cylinder 4 is communicated with the steering gear 1. In this embodiment, the steel pipe 501 and the hose 502 are connected by riveting, and the conventional hose 502+ pipe joint + steel pipe 501 (or the hose 502+ steel pipe 501, which is connected by a clamp) is eliminated, so that oil leakage points are reduced, and the oil temperature increase caused by the increase of resistance at the joint can be avoided.
Optionally, the steel pipe 501 is provided in a multi-segment bent shape.
Referring to fig. 2, wherein the steel pipe 501 is bent in multiple sections, in this embodiment, a portion of the steel pipe 501 is bent in multiple sections, the bent portion of the steel pipe 501 is formed by communicating multiple sections of U-shaped pipes, and the arrangement of the U-shaped pipes can be arranged according to the redundant space of the steering pipe system, so as to fully utilize the space reserved for the steering pipe system by the vehicle.
Set up like this, the bending setting of steel pipe 501 for the transfer path extension of hydraulic oil, when the hydraulic oil in the steel pipe 501 flows, the temperature accessible steel pipe 501 of hydraulic oil and give off, be convenient for reduce the temperature of hydraulic oil.
Optionally, the heat dissipation assembly further includes a plurality of heat dissipation rings 603, and the plurality of heat dissipation rings 603 are all sleeved on the steel pipe 501.
Referring to fig. 2 and fig. 3, wherein the heat dissipation assembly further includes a plurality of heat dissipation rings 603, the outer side of the steel pipe 501 is sleeved with the plurality of heat dissipation rings 603, the heat dissipation rings 603 are disposed at intervals, and the heat dissipation rings 603 are fixed on the outer side of the steel pipe 501, and the heat dissipation rings 603 can be welded or fastened to the outer side of the steel pipe 501. The heat dissipating ring 603 is made of aluminum material with good heat conductivity.
With the arrangement, the area of the outer side surface of the steel pipe 501 is increased due to the arrangement of the heat dissipation ring 603 on the outer side surface of the steel pipe 501, the heat dissipation area of the steel pipe 501 is increased, and the heat of hydraulic oil in the steel pipe 501 can be taken away more easily.
Optionally, the heat dissipation assembly further includes a steel wire sheath 604, and the steel wire sheath 604 is sleeved on the hose 502.
Referring to fig. 3, the heat dissipating assembly further includes a steel wire sheath 604, in this embodiment, the steel wire sheath 604 is sleeved on an outer side of a portion of the hose 502, and the steel wire sheath 604 is sleeved on a circumferential outer side of the hose 502 and contacts with an outer side surface of the hose 502.
Due to the arrangement, on one hand, the steel wire sheath 604 protects the hose 502, and the possibility that the hose 502 is bruised or scratched is reduced; on the other hand, the steel wire sheath 604 is in contact with the hose 502, which can assist the hose 502 in dissipating heat and reduce the temperature of the hydraulic oil in the hose 502.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A heat dissipation type steering pipe system assembly, its characterized in that, it includes:
the steering gear comprises a pipeline assembly (5), and a steering gear (1), an oil pump (2), an oil tank (3) and a power-assisted oil cylinder (4) which are communicated through the pipeline assembly (5);
the heat dissipation assembly comprises a plurality of groups of cooling fins (601) which are respectively located on the surfaces of the steering gear (1), the oil pump (2), the oil tank (3) and the power-assisted oil cylinder (4), and a plurality of cooling fins (601) which are respectively located on the surfaces of the steering gear (1), the oil pump (2), the oil tank (3) and the power-assisted oil cylinder (4), wherein the cooling fins (602) are respectively located on the outer sides of the steering gear (1), the oil pump (2), the oil tank (3) and the power-assisted oil cylinder (4), the cooling cover portion is connected with the outer surface of the power-assisted oil cylinder (4), and gaps are reserved between the cooling fins (601) and the cooling cover portion.
2. The heat dissipation type steering pipe system assembly according to claim 1, wherein the heat dissipation cover (602) is provided with a plurality of air guide holes (6021).
3. The heat dissipation type steering pipe system assembly according to claim 2, wherein the area of the air guide hole (6021) on the windward side of the heat dissipation cover (602) is smaller than the area of the air guide hole (6021) on the downwind side of the heat dissipation cover (602).
4. The heat dissipation type steering pipeline system assembly according to claim 1, wherein a plurality of support lugs (7) are connected to the heat dissipation cover (602), and the support lugs (7) are connected to the outer side surfaces of the steering gear (1), the oil pump (2), the oil tank (3) or the power cylinder (4).
5. The heat dissipating steering pipe system assembly according to claim 4, wherein the steering gear (1) comprises a plurality of studs (101), and the steering gear (1) is connected to the lug (7) by a plurality of studs (101).
6. The heat dissipating steering line system assembly according to claim 5, further comprising a harness bracket (9), the harness bracket (9) being connected to the steering gear (1) by the stud (101).
7. The heat dissipation type steering pipeline system assembly according to claim 1, wherein the pipeline component (5) comprises a steel pipe (501) and a hose (502) which are arranged in a communication manner, the steering gear (1), the oil pump (2) and the oil tank (3) are communicated through the steel pipe (501), and the power cylinder (4) is communicated with the hose (502).
8. The heat dissipating type of a steering pipe system assembly according to claim 7, wherein the steel pipe (501) is formed by bending a plurality of sections.
9. The heat dissipation type steering pipeline system assembly according to claim 7, wherein the heat dissipation assembly further comprises a plurality of heat dissipation rings (603), and the plurality of heat dissipation rings (603) are all sleeved on the steel pipe (501).
10. The heat dissipating steering line system assembly of claim 7, wherein the heat dissipating component further comprises a steel wire sheath (604), the steel wire sheath (604) being disposed around the hose (502).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101824.4A CN113788069B (en) | 2021-09-18 | 2021-09-18 | Heat dissipation type steering pipeline system assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101824.4A CN113788069B (en) | 2021-09-18 | 2021-09-18 | Heat dissipation type steering pipeline system assembly |
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| CN113788069A true CN113788069A (en) | 2021-12-14 |
| CN113788069B CN113788069B (en) | 2022-11-11 |
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| JPH08270765A (en) * | 1995-03-30 | 1996-10-15 | Nissan Diesel Motor Co Ltd | Oil cooling device for automobile |
| CN202847797U (en) * | 2012-09-25 | 2013-04-03 | 简式国际汽车设计（北京）有限公司 | Heat dissipation pipeline of hydraulic power-assisted steering system and hydraulic power-assisted steering structure of vehicle |
| CN205013952U (en) * | 2015-09-22 | 2016-02-03 | 青岛三祥科技股份有限公司 | Car power -assisted steering returns oil pipe |
| KR20170050318A (en) * | 2015-10-30 | 2017-05-11 | 쌍용자동차 주식회사 | steering oil cooling device for automobile |
| CN109029005A (en) * | 2018-09-14 | 2018-12-18 | 中国铁建重工集团有限公司 | Cooling system and development machine with the cooling system |
| CN110667696A (en) * | 2019-09-11 | 2020-01-10 | 东风商用车有限公司 | Steering hydraulic system and assembling method thereof |
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2021
- 2021-09-18 CN CN202111101824.4A patent/CN113788069B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08270765A (en) * | 1995-03-30 | 1996-10-15 | Nissan Diesel Motor Co Ltd | Oil cooling device for automobile |
| CN202847797U (en) * | 2012-09-25 | 2013-04-03 | 简式国际汽车设计（北京）有限公司 | Heat dissipation pipeline of hydraulic power-assisted steering system and hydraulic power-assisted steering structure of vehicle |
| CN205013952U (en) * | 2015-09-22 | 2016-02-03 | 青岛三祥科技股份有限公司 | Car power -assisted steering returns oil pipe |
| KR20170050318A (en) * | 2015-10-30 | 2017-05-11 | 쌍용자동차 주식회사 | steering oil cooling device for automobile |
| CN109029005A (en) * | 2018-09-14 | 2018-12-18 | 中国铁建重工集团有限公司 | Cooling system and development machine with the cooling system |
| CN110667696A (en) * | 2019-09-11 | 2020-01-10 | 东风商用车有限公司 | Steering hydraulic system and assembling method thereof |
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|---|---|
| CN113788069B (en) | 2022-11-11 |
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