CN116923527A - Steering actuator of commercial vehicle by wire - Google Patents
Steering actuator of commercial vehicle by wire Download PDFInfo
- Publication number
- CN116923527A CN116923527A CN202311187901.1A CN202311187901A CN116923527A CN 116923527 A CN116923527 A CN 116923527A CN 202311187901 A CN202311187901 A CN 202311187901A CN 116923527 A CN116923527 A CN 116923527A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- shell
- steering
- commercial vehicle
- oiling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 69
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 10
- 230000001050 lubricating effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000010687 lubricating oil Substances 0.000 description 19
- 239000003921 oil Substances 0.000 description 14
- 238000005461 lubrication Methods 0.000 description 10
- 238000005507 spraying Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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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
- B62D5/001—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup
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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
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0403—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/05—Features relating to lubrication or cooling or heating of chains
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of steering actuators by wire, in particular to a steering actuator by wire for a commercial vehicle, which solves the problem that the existing heat dissipation function is that a heat dissipation part is required to be additionally installed, and the heat dissipation part is required to be additionally connected with a power supply for connection, so that the waste of the power supply in the vehicle is caused. According to the invention, the fans at the two sides are driven by the rotating shaft to rotate, so that wind power is generated, and the arrangement ensures that the output shaft of the integral steering actuator realizes the autonomous air cooling operation of the execution controller and the steering motor in the running process.
Description
Technical Field
The invention relates to the technical field of steer-by-wire actuators, in particular to a steer-by-wire actuator for a commercial vehicle.
Background
The development of electric and intelligent automobile markets, the electric steering products of commercial vehicles are gradually applied to domestic markets, and the low-cost and light-weight requirements of the electric steering products of the whole automobile factories are combined with the development direction of passenger vehicles, so that the steering-by-wire is a necessary trend of the future development of the commercial vehicles;
the steering function of the existing steering actuator is to measure the steering wheel moment and the steering wheel angle by using a steering wheel moment angle sensor so as to reflect the steering intention of a driver, an electronic control unit makes a decision to obtain a target front wheel angle through an active steering control strategy according to the signal, and a steering motor control voltage signal is provided for an execution controller in the steering actuator so as to lead the steering motor to actively rotate, and a push rod mechanism is driven to operate by a chain speed reducing mechanism so as to lead an output shaft to displace, thereby achieving the steering aim;
the steering function of the steering actuator is driven by a steering motor, the motor needs to radiate heat when the motor works, the existing radiating function is that a radiating part needs to be additionally arranged, and the radiating part needs to be additionally connected with a power supply for connection, so that the waste of the power supply in the vehicle is caused; after the steering actuator is used for a long time, the lubricating oil in the chain speed reducing mechanism is gradually volatilized and exhausted, the lubricating oil is required to be injected into the chain speed reducing mechanism for lubrication at regular intervals, the lubricating oil is usually directly injected into the chain speed reducing mechanism through an oiling nozzle by manually drilling the bottom of a vehicle in the existing maintenance process of the steering actuator, meanwhile, the installation position of some oiling nozzles is relatively narrow, oiling is inconvenient, great trouble is brought to workers, and therefore, in order to solve the problems, the steering actuator controlled by the line for the commercial vehicle is provided for the people.
Disclosure of Invention
The invention aims to provide a steering actuator of a commercial vehicle, which aims to solve the problems that in the prior art, the existing heat dissipation function is provided, a heat dissipation part is additionally arranged, and the heat dissipation part is additionally connected with a power supply for connection, so that the waste of the power supply in the vehicle is caused.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a commercial car drive-by-wire steering actuator, includes the steering wheel assembly, and the one end of steering wheel assembly is connected with electronic control unit through the wire, the one end of electronic control unit is connected with the steering actuator through the control line, the steering actuator includes the casing, the one end fixedly connected with chain reduction gears of casing, one side fixedly connected with steering motor of chain reduction gears upper end, the one end fixedly connected with execution controller of steering motor, the inside activity of casing is equipped with the output shaft, and the upper end support of casing one side is provided with air cooling mechanism, the upper end fixedly connected with actuating mechanism of output shaft near middle department, air cooling mechanism includes the wind-guiding shell, the front and back both sides of the inside bottom terminal surface of wind-guiding shell all swing joint has the connecting axle, the middle department of connecting axle surface is equipped with the spur gear;
the shell of the steering motor is of a cylinder-like structure, a plurality of air outlet holes are formed in the upper end of the shell of the steering motor, the shell of the execution controller is of a cube structure, a plurality of air inlet holes are formed in one side end of the shell of the execution controller, the execution controller is fixedly connected to one side end of the steering motor, and the air outlet holes and the air inlet holes on the surfaces of the two shells are in through connection;
the upper end of straight gear is connected with bevel gear A through the connecting axle, one side meshing of bevel gear A is equipped with bevel gear B, bevel gear B's centre department runs through and is equipped with the rotation axis, rotation axis movable support is located the wind-guiding shell, the both ends fixedly connected with fan of rotation axis, four the fan all is located one side of inlet port, actuating mechanism drive fan operation.
Preferably, the actuating mechanism comprises a support column, the support column is fixedly sleeved in the middle of the surface of the output shaft, a rack is arranged at the upper end of the support column, and the rack and the spur gear are meshed and movable.
Preferably, the upper end fixedly connected with horizontal pole of support column, horizontal pole cartridge is located between two spur gears, rack fixedly connected with both ends around the horizontal pole.
Preferably, the two side surfaces of the rotating shaft are rotatably and movably connected with supporting plates, and the side ends of the supporting plates are fixedly connected with the side walls inside the air guide shell.
Preferably, a plurality of hollowed-out holes are formed in the surface of the bevel gear B.
Preferably, a lubricating mechanism is fixedly connected to the middle of the upper end of the chain speed reducing mechanism, and oiling mechanisms are connected to the front end surface and the rear end surface of the lubricating mechanism.
Preferably, the lubrication mechanism comprises a storage box, an oil filling nozzle is arranged in the middle of the upper end of the storage box, a one-way ventilation valve is arranged on one side of the upper end of the storage box, and a pressure release nozzle is arranged in the middle of the lower end of the storage box and extends into the chain speed reducing mechanism.
Preferably, the oiling mechanism comprises two oiling pipes, one ends of the two oiling pipes are in penetrating connection with the front side and the rear side of the storage box, and the other ends of the oiling pipes are fixedly connected with an oiling cylinder.
Preferably, the front side and the rear side of the support column are both fixedly connected with L-shaped push-pull rods, one end of each L-shaped push-pull rod is fixedly connected with a sliding plug, and the periphery of each sliding plug is movably attached to the inner surface of the oil injection cylinder.
Preferably, a push rod mechanism is movably arranged on the other side of the inside of the shell, the push rod mechanism comprises a screw rod, a nut is movably sleeved on one side of the screw rod, a plurality of steel balls are arranged between the nut and the screw rod, and a sliding sleeve is sleeved on one side of the outer surface of the nut;
one end of the lead screw is provided with a bearing, the lead screw is connected with the shell through the bearing, the bottom end inside the shell is fixedly connected with a guide rail, the guide rail and the sliding sleeve are mutually attached and movable, and the output shaft is fixedly connected with the nut;
the chain speed reducing mechanism comprises a motor flywheel, a large flywheel is arranged below the motor flywheel, the large flywheel and the motor flywheel are meshed and move through a chain, an output shaft on the steering motor is connected with the motor flywheel through a coupler, and the screw rod is connected with the large flywheel through a coupler;
the other end of the shell is fixedly connected with a supporting sleeve assembly, the supporting sleeve assembly comprises a supporting sleeve, and a lining is fixedly arranged around the inner surface of the supporting sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the support column is fixedly arranged at the upper end of the output shaft close to the middle, the upper end of the support column is fixedly connected with the cross rod, racks are arranged at two sides of the cross rod, the output shaft moves horizontally to enable the whole cross rod to be transversely inserted between two straight gears, at the moment, the racks on the cross rod are meshed with the straight gears, so that the straight gears are driven to rotate with the bevel gears A at the upper end, the bevel gears A rotate to drive the bevel gears B at one side to rotate, the bevel gears B drive the rotating shaft to rotate, and finally the rotating shaft drives fans at two sides to rotate to generate wind power, and the arrangement enables the output shaft of the whole steering actuator to realize autonomous air cooling operation of the execution controller and the steering motor in the running process;
2. according to the invention, a worker injects lubricating oil into the storage box through an oil injection nozzle on a lubricating mechanism, the whole steering actuator starts to operate, and when an output shaft drives an L-shaped push-pull rod and a sliding plug at the upper end to transversely move towards one end far away from a shell, gas outside the storage box flows in through a one-way ventilation valve at one side of the upper end of the storage box, wherein the lubricating oil in the storage box enters an oil injection cylinder through an oil injection pipe for temporary storage;
when the output shaft drives the L-shaped push-pull rod and the sliding plug at the upper end to transversely move towards one end close to the shell, the sliding plug at one end of the L-shaped push-pull rod extrudes the lubricating oil in the oil injection cylinder, so that the lubricating oil in the oil injection cylinder flows back into the storage box through the oil injection pipe, under the continuous pressing action of the sliding plug, the lubricating oil in the storage box is downwards sprayed through the pressure release nozzle, and the lubricating oil plays a role in uniformly lubricating parts in the chain speed reducing mechanism.
Drawings
FIG. 1 is a schematic elevational view of the entire structure of the present invention;
FIG. 2 is a schematic perspective view of the steering actuator, lubrication mechanism, oiling mechanism, air cooling mechanism and actuator of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the internal space of the oil cylinder of FIG. 2 according to the present invention;
FIG. 4 is a perspective view of the interior of the cooling mechanism of FIG. 2 according to the present invention;
FIG. 5 is a perspective view of another view of the steering actuator of the present invention;
FIG. 6 is a front cut-away view of the entirety of the steering actuator of the present invention;
fig. 7 is a side sectional view of the entirety of the chain reduction mechanism and lubrication mechanism of the present invention.
In the figure: 1. a steering wheel assembly; 2. an electronic control unit; 3. a steering actuator; 3001. executing a controller; 3002. a steering motor; 3003. a bearing; 3004. a guide rail; 3005. an output shaft; 3006. a housing; 3100. a chain speed reducing mechanism; 3101. a motor flywheel; 3102. a chain; 3103. a large flywheel; 3200. a push rod mechanism; 3201. a screw rod; 3202. a steel ball; 3203. a nut; 3204. a sliding sleeve; 3300. a support sleeve assembly; 3301. a support sleeve; 3302. a bushing; 4. a lubrication mechanism; 4001. a storage box; 4002. an oil filling nozzle; 4003. a pressure relief nozzle; 5. an oiling mechanism; 5001. an oil injection cylinder; 5002. a filler pipe; 6. an air cooling mechanism; 6001. spur gears; 6002. bevel gears A; 6003. bevel gear B; 6004. a rotation shaft; 6005. a fan; 6006. an air guiding shell; 7. an actuator; 7001. a support column; 7002. a cross bar; 7003. a rack; 7004. an L-shaped push-pull rod; 7005. a sliding plug; 8. an air outlet hole; 9. an air inlet hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention provides: the utility model provides a commercial car drive-by-wire steering actuator, including steering wheel assembly 1, steering wheel assembly 1's one end is connected with electronic control unit 2 through the wire, electronic control unit 2's one end is connected with steering actuator 3 through the control wire, steering actuator 3 includes casing 3006, casing 3006's one end fixedly connected with chain reduction mechanism 3100, chain reduction mechanism 3100's one side fixedly connected with steering motor 3002, steering motor 3002's one end fixedly connected with execution controller 3001, casing 3006's inside activity is equipped with output shaft 3005, casing 3006's the inside opposite side activity is equipped with push rod mechanism 3200, wherein push rod mechanism 3200 includes lead screw 3201, one side activity cover of lead screw 3201 is equipped with nut 3203, be equipped with a plurality of steel balls 3202 between nut 3203 and the lead screw 3201, one side cover of nut 3203 surface is equipped with the sliding sleeve 3204, the activity is equipped with bearing 3003 around lead screw 3201, and lead screw 3201 is connected with casing 3006 through bearing 3003, casing 3006's inside bottom fixedly connected with guide rail 3004, guide rail 3004 and sliding sleeve 3204 are movable with each other, output shaft 3005 and nut 3203 are fixedly connected;
the chain speed reducing mechanism 3100 comprises a motor flywheel 3101, a large flywheel 3103 is arranged below the motor flywheel 3101, the large flywheel 3103 and the motor flywheel 3101 are meshed and movable through a chain 3102, an output shaft on a steering motor 3002 is connected with the motor flywheel 3101 through a coupler, a lead screw 3201 is connected with the large flywheel 3103 through a coupler, the other end of a shell 3006 is fixedly connected with a supporting sleeve assembly 3300, the supporting sleeve assembly 3300 comprises a supporting sleeve 3301, and bushings 3302 are fixedly arranged on the periphery of the inner surface of the supporting sleeve 3301;
the upper end support of one side of the shell 3006 is provided with an air cooling mechanism 6, the upper end of the output shaft 3005, which is close to the middle, is fixedly connected with an actuating mechanism 7, the air cooling mechanism 6 comprises an air guide shell 6006, the front side and the rear side of the end face of the bottom end inside the air guide shell 6006 are movably connected with connecting shafts, and the middle of the connecting shaft surface is provided with a straight gear 6001;
the motor flywheel 3101 is arranged on the output shaft of the steering motor 3002, the large flywheel 3103 is arranged on the lead screw 3201, the large flywheel 3103 and the lead screw are connected through a chain 3102, the output shaft 3005 is fixed with the nut 3203, the sliding sleeve 3204 is arranged in a groove of the nut 3203, the lead screw 3201, the steel ball 3202 and the nut 3203 are assembled into a push rod mechanism, the lead screw 3201 is connected with the shell 3006 through the bearing 3003, the guide rail 3004 is fixed with the shell 3006, the guide rail 3004 is matched with the sliding sleeve 3204 and used for reducing friction force between the guide rail 3004 and the nut 3203, the nut 3203 can be prevented from rotating, and the bushing 3302 is arranged in the supporting sleeve 3301 and used for supporting the output shaft 3005 to move in the horizontal direction;
the actuating mechanism 7 includes support column 7001, and the fixed suit of support column 7001 is located the centre department on output shaft 3005 surface, and support column 7001's upper end fixedly connected with horizontal pole 7002, horizontal pole 7002's front and back both sides end all is equipped with rack 7003, and horizontal pole 7002 cartridge is located between two spur gears 6001 and rack 7003 and spur gear 6001 meshing activity on horizontal pole 7002 surface.
The shell of the steering motor 3002 is of a cylinder-like structure, a plurality of air outlet holes 8 are formed in the upper end of the shell of the steering motor 3002, the shell of the execution controller 3001 is of a cube structure, a plurality of air inlet holes 9 are formed in one side end of the shell of the execution controller 3001, the execution controller 3001 is fixedly connected with the air outlet holes 8 and the air inlet holes 9 which are located at one side end of the steering motor 3002 and on the surfaces of the two shells are in through connection, and air flows in the execution controller 3001 and the steering motor 3002 due to the arrangement of the air outlet holes 8 and the air inlet holes 9.
The upper end at straight gear 6001 is connected with bevel gear A6002 through the connecting axle, one side meshing of bevel gear A6002 is equipped with bevel gear B6003, the centre department of bevel gear B6003 runs through and is equipped with rotation axis 6004, rotation axis 6004 movable support is located wind guiding shell 6006, the both ends fixedly connected with fan 6005 of rotation axis 6004, four fans 6005 all are located one side of inlet port 9, the both sides surface swivelling joint of rotation axis 6004 has the backup pad, fixed connection between the inside lateral wall of backup pad side and wind guiding shell 6006, bevel gear B6003's surface is equipped with a plurality of fretwork holes, the setting in these fretwork holes makes the wind of circulation pass easily, thereby avoided holistic bevel gear B6003 to have caused blocking to the air of circulation.
The middle of chain reducing mechanism 3100 upper end department fixedly connected with lubrication mechanism 4, both ends face all is connected with oiling mechanism 5 around lubrication mechanism 4, wherein lubrication mechanism 4 includes storage box 4001, the middle department of storage box 4001 upper end is equipped with the grease nipple 4002, one side of storage box 4001 upper end is equipped with the one-way vent valve, the lower extreme middle department of storage box 4001 is equipped with pressure release nozzle 4003 and extends to in the chain reducing mechanism 3100, the setting of one-way vent valve makes outside gas can only flow into inside storage box 4001, the inside material of storage box 4001 can't flow out, the inside material of storage box 4001 flows into in the chain reducing mechanism 3100 in the setting of same pressure release nozzle 4003, and the inside material of chain reducing mechanism 3100 can't flow back in the storage box 4001.
The oiling mechanism 5 comprises two oiling pipes 5002, one ends of the two oiling pipes 5002 are all in penetrating connection with the front side and the rear side of the storage box 4001, the other ends of the oiling pipes 5002 are fixedly connected with oiling barrels 5001, the front side and the rear side of the supporting columns 7001 are all fixedly connected with L-shaped push-pull rods 7004, one ends of the L-shaped push-pull rods 7004 are fixedly connected with sliding plugs 7005, and the periphery of each sliding plug 7005 is movably attached to the inner surface of each oiling barrel 5001.
Through fixedly arranging a support column 7001 at the upper end of an output shaft 3005 close to the middle, fixedly connecting a cross rod 7002 at the upper end of the support column 7001, arranging racks 7003 at two sides of the cross rod 7002, horizontally moving the output shaft 3005 to enable the whole cross rod 7002 to be transversely inserted between two straight gears 6001, at the moment, meshing the racks 7003 on the cross rod 7002 with the straight gears 6001 so as to drive the straight gears 6001 and bevel gears A6002 at the upper end to rotate, wherein the rotating activity of the bevel gears A6002 drives one side of a bevel gear B6003 to rotate, then the bevel gears B6003 drives a rotating shaft 6004 to rotate, and finally the rotating shaft 6004 drives fans 6005 at two sides to rotate, so that wind power is generated;
the integral air cooling mechanism 6 is arranged on one side of an air inlet hole 9 on the outer end surface of the execution controller 3001, so that air generated by the fan 6005 blows into the air inlet hole 9, the air is poured into the execution controller 3001 and the steering motor 3002 from the air inlet hole 9, and then flows out of an air outlet hole 8 on the steering motor 3002, and air cooling is performed on electronic elements in the execution controller 3001 and a motor in the steering motor 3002 in the process of blowing in and flowing out of the air outlet hole 8 from the air inlet hole 9, so that the output shaft 3005 in the integral steering actuator 3 realizes autonomous air cooling operation of the execution controller 3001 and the steering motor 3002 in the running process;
the front end and the rear end of the support column 7001 are fixedly connected with an L-shaped push-pull rod 7004, so that the L-shaped push-pull rod 7004 is driven by the transverse movement of the support column 7001, and as a sliding plug 7005 at one end of the L-shaped push-pull rod 7004 is attached to the end wall around the inside of the oiling barrel 5001, the L-shaped push-pull rod 7004 drives the sliding plug 7005 to move in a sealing manner in the oiling barrel 5001;
when the steering actuator is subjected to oiling operation, a worker only needs to inject lubricating oil into the storage box 4001 through the oiling nozzle 4002 on the lubricating mechanism 4, the storage box 4001 stores the lubricating oil, at the moment, the whole steering actuator 3 starts to operate, and when the output shaft 3005 drives the upper-end L-shaped push-pull rod 7004 and the sliding plug 7005 to transversely move towards one end far away from the shell 3006, gas outside the storage box 4001 flows in through a one-way ventilation valve at one side of the upper end of the storage box 4001, and the lubricating oil inside the storage box 4001 enters the oiling barrel 5001 through the oiling pipe 5002;
then, when the output shaft 3005 drives the upper-end L-shaped push-pull rod 7004 and the sliding plug 7005 to transversely move towards one end close to the shell 3006, the sliding plug 7005 at one end of the L-shaped push-pull rod 7004 extrudes the lubricating oil in the oil injection cylinder 5001, so that the lubricating oil in the oil injection cylinder 5001 flows back to the storage box 4001 through the oil injection pipe 5002, and under the continuous pressing action of the sliding plug 7005, the lubricating oil in the storage box 4001 is downwards sprayed through the pressure release nozzle 4003;
the above setting makes the inside lubricating oil of storage box 4001 jet downwards through pressure release nozzle 4003 and forms the lubricating oil spraying, this kind of lubricating oil spraying has played the lubrication effect to the inside part of chain reduction gears 3100, and because pressure release nozzle 4003 is located holistic chain reduction gears 3100's upper end for lubricating oil spraying has all carried out lubrication spraying to the inside flywheel of chain reduction gears 3100 and chain downwards, and then has realized the effect of lubricating the inside part of chain reduction gears 3100 voluntarily, thereby has solved the manual work and has bored the bottom of the car and carry out the oiling, the trouble that brings the workman.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a commercial car drive-by-wire steering actuator, includes steering wheel assembly (1), the one end of steering wheel assembly (1) is connected with electronic control unit (2) through the wire, the one end of electronic control unit (2) is connected with steering actuator (3) through the control line, steering actuator (3) include casing (3006), the one end fixedly connected with chain reduction gears (3100) of casing (3006), one side fixedly connected with steering motor (3002) of chain reduction gears (3100) upper end, the one end fixedly connected with execution controller (3001) of steering motor (3002), the inside activity of casing (3006) is equipped with output shaft (3005), its characterized in that: an air cooling mechanism (6) is supported and arranged at the upper end of one side of the shell (3006), an actuating mechanism (7) is fixedly connected to the upper end of the output shaft (3005) close to the middle, the air cooling mechanism (6) comprises an air guide shell (6006), connecting shafts are movably connected to the front side and the rear side of the end face of the bottom end inside the air guide shell (6006), and a spur gear (6001) is arranged in the middle of the connecting shaft surface;
the shell of the steering motor (3002) is of a cylinder-like structure, a plurality of air outlets (8) are formed in the upper end of the shell of the steering motor (3002), the shell of the execution controller (3001) is of a cube structure, a plurality of air inlets (9) are formed in one side end of the shell of the execution controller (3001), the execution controller (3001) is fixedly connected to one side end of the steering motor (3002), and the air outlets (8) and the air inlets (9) on the surfaces of the two shells are connected in a penetrating mode;
the upper end of straight gear (6001) is connected with bevel gear A (6002) through the connecting axle, one side meshing of bevel gear A (6002) is equipped with bevel gear B (6003), the centre department of bevel gear B (6003) is run through and is equipped with rotation axis (6004), rotation axis (6004) movable support is located wind-guiding shell (6006), the both ends fixedly connected with fan (6005) of rotation axis (6004), four fan (6005) all are located one side of inlet port (9), and actuating mechanism (7) drive fan (6005) operation.
2. A commercial vehicle steer-by-wire actuator as claimed in claim 1, wherein: the actuating mechanism (7) comprises a support column (7001), the support column (7001) is fixedly sleeved on the middle of the surface of the output shaft (3005), a rack (7003) is arranged at the upper end of the support column (7001), and the rack (7003) and the spur gear (6001) are meshed and move.
3. A commercial vehicle steer-by-wire actuator as claimed in claim 2, wherein: the upper end fixedly connected with horizontal pole (7002) of support column (7001), horizontal pole (7002) cartridge is located between two spur gears (6001), rack (7003) fixed connection is in both ends around horizontal pole (7002).
4. A commercial vehicle steer-by-wire actuator according to claim 3, wherein: the two sides of the rotating shaft (6004) are movably connected with supporting plates, and the side ends of the supporting plates are fixedly connected with the side walls inside the air guide shell (6006).
5. A commercial vehicle steer-by-wire actuator as defined in claim 4, wherein: the surface of the bevel gear B (6003) is provided with a plurality of hollowed-out holes.
6. A commercial vehicle steer-by-wire actuator as claimed in claim 1, wherein: the middle of the upper end of the chain speed reducing mechanism (3100) is fixedly connected with a lubricating mechanism (4), and the front end surface and the rear end surface of the lubricating mechanism (4) are both connected with oiling mechanisms (5).
7. The commercial vehicle steer-by-wire actuator of claim 6, wherein: the lubricating mechanism (4) comprises a storage box (4001), an oiling nozzle (4002) is arranged in the middle of the upper end of the storage box (4001), a one-way ventilation valve is arranged on one side of the upper end of the storage box (4001), and a pressure release nozzle (4003) is arranged in the middle of the lower end of the storage box (4001) and extends into the chain speed reducing mechanism (3100).
8. The commercial vehicle steer-by-wire actuator of claim 7, wherein: the oiling mechanism (5) comprises two oiling pipes (5002), one ends of the two oiling pipes (5002) are connected with the front side and the rear side of the storage box (4001) in a penetrating mode, and the other ends of the oiling pipes (5002) are fixedly connected with oiling barrels (5001).
9. The commercial vehicle steer-by-wire actuator of claim 8, wherein: the oil injection device is characterized in that the front side and the rear side of the supporting column (7001) are fixedly connected with an L-shaped push-pull rod (7004), one end of the L-shaped push-pull rod (7004) is fixedly connected with a sliding plug (7005), and the periphery of the sliding plug (7005) is movably attached to the inner surface of the oil injection cylinder (5001).
10. A steering-by-wire actuator for a commercial vehicle as claimed in claim 5 or 9, wherein: the other side of the interior of the shell (3006) is movably provided with a push rod mechanism (3200), the push rod mechanism (3200) comprises a lead screw (3201), one side of the lead screw (3201) is movably sleeved with a nut (3203), a plurality of steel balls (3202) are arranged between the nut (3203) and the lead screw (3201), and one side of the outer surface of the nut (3203) is sleeved with a sliding sleeve (3204);
one end of the lead screw (3201) is provided with a bearing (3003), the lead screw (3201) is connected with the shell (3006) through the bearing (3003), the bottom end inside the shell (3006) is fixedly connected with a guide rail (3004), the guide rail (3004) and the sliding sleeve (3204) are mutually attached and movable, and the output shaft (3005) is fixedly connected with the nut (3203);
the chain speed reducing mechanism (3100) comprises a motor flywheel (3101), a large flywheel (3103) is arranged below the motor flywheel (3101), the large flywheel (3103) and the motor flywheel (3101) are meshed and move through a chain (3102), an output shaft on the steering motor (3002) is connected with the motor flywheel (3101) through a coupler, and the lead screw (3201) is connected with the large flywheel (3103) through a coupler;
the other end of the shell (3006) is fixedly connected with a supporting sleeve assembly (3300), the supporting sleeve assembly (3300) comprises a supporting sleeve (3301), and a lining (3302) is fixedly arranged around the inner surface of the supporting sleeve (3301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311187901.1A CN116923527A (en) | 2023-09-15 | 2023-09-15 | Steering actuator of commercial vehicle by wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311187901.1A CN116923527A (en) | 2023-09-15 | 2023-09-15 | Steering actuator of commercial vehicle by wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116923527A true CN116923527A (en) | 2023-10-24 |
Family
ID=88386390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311187901.1A Pending CN116923527A (en) | 2023-09-15 | 2023-09-15 | Steering actuator of commercial vehicle by wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116923527A (en) |
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| JPH08200592A (en) * | 1995-01-20 | 1996-08-06 | Shiten Sai | Power type grease injection machine |
| CA2224024A1 (en) * | 1997-12-08 | 1999-06-08 | Phil Trigiani | Apparatus and process for charging a pressurized system |
| KR102169921B1 (en) * | 2020-04-14 | 2020-10-26 | (주)지에프씨코리아 | Auto grease and oil inunction device of rail |
| CN213846411U (en) * | 2020-09-28 | 2021-07-30 | 上海茂控机电设备有限公司 | Heat dissipation protection shell for speed reduction motor |
| CN216034634U (en) * | 2022-01-21 | 2022-03-15 | 豫北转向系统（新乡）有限公司 | Linear direct-drive EPS steering gear of commercial vehicle |
| CN217435824U (en) * | 2022-06-14 | 2022-09-16 | 湖北恒隆凯迩必汽车电动转向系统有限公司 | Automobile electric power steering gear with lubricating grease supplementing structure |
| CN115467959A (en) * | 2022-08-25 | 2022-12-13 | 畅春燕 | Self-lubricating speed reducer |
| CN218670570U (en) * | 2022-12-10 | 2023-03-21 | 河北冀力重型机械设备有限公司 | Cooling tower fan speed reducer |
| CN218786022U (en) * | 2022-09-13 | 2023-04-04 | 陕西万方汽车零部件有限公司 | Electric steering actuating mechanism for steer-by-wire of commercial vehicle |
-
2023
- 2023-09-15 CN CN202311187901.1A patent/CN116923527A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08200592A (en) * | 1995-01-20 | 1996-08-06 | Shiten Sai | Power type grease injection machine |
| CA2224024A1 (en) * | 1997-12-08 | 1999-06-08 | Phil Trigiani | Apparatus and process for charging a pressurized system |
| KR102169921B1 (en) * | 2020-04-14 | 2020-10-26 | (주)지에프씨코리아 | Auto grease and oil inunction device of rail |
| CN213846411U (en) * | 2020-09-28 | 2021-07-30 | 上海茂控机电设备有限公司 | Heat dissipation protection shell for speed reduction motor |
| CN216034634U (en) * | 2022-01-21 | 2022-03-15 | 豫北转向系统（新乡）有限公司 | Linear direct-drive EPS steering gear of commercial vehicle |
| CN217435824U (en) * | 2022-06-14 | 2022-09-16 | 湖北恒隆凯迩必汽车电动转向系统有限公司 | Automobile electric power steering gear with lubricating grease supplementing structure |
| CN115467959A (en) * | 2022-08-25 | 2022-12-13 | 畅春燕 | Self-lubricating speed reducer |
| CN218786022U (en) * | 2022-09-13 | 2023-04-04 | 陕西万方汽车零部件有限公司 | Electric steering actuating mechanism for steer-by-wire of commercial vehicle |
| CN218670570U (en) * | 2022-12-10 | 2023-03-21 | 河北冀力重型机械设备有限公司 | Cooling tower fan speed reducer |
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Application publication date: 20231024 |
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