An electronic power steering device

Abstract

The present invention discloses an electronic power steering device, which is applied in the technical field of electronic power steering. By setting a rotation control mechanism, the support assembly can support and limit the fixed assembly and the power assist mechanism. The fixed assembly can support and limit the storage assembly. The storage assembly can store hydraulic fluid and control the rotation control mechanism and the power assist mechanism. The transmission assembly can provide power for the power assist mechanism, facilitating the power assist mechanism to assist the vehicle in steering. By setting the power assist mechanism and the control system, the left moving assembly can assist the vehicle when the vehicle turns left, and the right moving assembly can assist the vehicle when the vehicle turns right. The steering assembly can monitor the lubricating oil quantity at the steering point in real time during power steering, increasing the stability of the lubricating oil quantity in the steering point. The lubricating assembly can deliver lubrication to the steering assembly and recycle the excess lubricating oil in the steering assembly.

Description

Technical Field

[0001] The present invention belongs to the technical field of electric power steering, and particularly relates to an electric power steering device. Background Art

[0002] A device that uses external power to generate steering assist force in order to reduce the operating force of the driver's action on the steering wheel is called a steering assist device. An electric power steering device is an electronic device that can control steering assist using electronic devices and electrical components, and has high intelligence and high precision.

[0003] The existing electric power steering devices have the following disadvantages when in use:

[0004] 1. Lack of a real-time automatic lubrication structure, which is not convenient for long-term effective steering assistance. Summary of the Invention

[0005] The purpose of the present invention is directed to an existing electric power steering device, and its advantages are:

[0006] It has a real-time automatic lubrication structure, which is convenient for long-term effective steering assistance.

[0007] The above technical object of the present invention is achieved through the following technical solutions: An electric power steering device includes a steering control mechanism, a power assist mechanism, and a control system. The power assist mechanism is bolted to both sides of the steering control mechanism. The steering control mechanism includes a support assembly, a fixing assembly, a storage assembly, and a transmission assembly. The fixing assembly is bolted to the surface of the support assembly. The storage assembly is bolted to the inner side of the fixing assembly. The transmission assembly is connected to both sides of the storage assembly. The power assist mechanism includes a left movement assembly, a right movement assembly, a steering assembly, and a lubrication assembly. The left movement assembly is bolted to the left side of the support assembly. The right movement assembly is bolted to the right side of the support assembly. The steering assembly is bolted to the left side of the left movement assembly and the right side of the right movement assembly respectively. The lubrication assembly is connected to the bottom of the steering assembly.

[0008] By adopting the above technical solutions, by setting the steering control mechanism, the power assist mechanism, and the control system, the steering control mechanism can support and limit the power assist mechanism and control the steering. The power assist mechanism can lubricate the steering part in real time, increasing the safety during long-term use of the steering part. The control system can control the steering control mechanism and the power assist mechanism, and is convenient for the user to control the control system, improving the stability and flexibility of the steering assistance.

[0009] The present invention is further configured as: The support assembly includes a support rod, a connecting rod, and a limiting rod. The connecting rod is bolted to both sides of the support rod. The limiting rod is bolted to the inner side of the support.

[0010] With the above technical solution, by setting up the support component, the support rod can support and limit the connecting rod and the limiting rod, the connecting rod can support and limit the boosting mechanism, and the limiting rod can support and limit the fixing component.

[0011] The present invention is further configured as: the fixing component includes an installation sleeve, a connecting plate, and a positioning sleeve. The installation sleeve is bolted to the surface of the limiting rod, the connecting plate is bolted to the front side of the installation sleeve, and the positioning sleeve is bolted to the inner side of the connecting plate.

[0012] With the above technical solution, by setting up the fixing component, the installation sleeve can support and limit the connecting plate, the connecting plate can support and limit the connecting plate, and the connecting plate can support and limit the stock component.

[0013] The present invention is further configured as: the stock component includes a liquid storage box, a liquid inlet, and a controller. The liquid storage box is bolted to the inner side of the positioning sleeve, the liquid inlet is opened at the top of the liquid storage box, and the controller is bolted to the front side of the liquid storage box.

[0014] With the above technical solution, by setting up the stock component, the liquid storage box can store hydraulic fluid, facilitating the transmission component to transport the hydraulic fluid to the boosting mechanism to provide power. The liquid inlet can facilitate the user to add hydraulic fluid into the liquid storage box. The controller is an information processor that can be connected to the vehicle control panel and can analyze and process the information transmitted by the control mechanism and the boosting mechanism.

[0015] The present invention is further configured as: the transmission component includes a left liquid extraction pump, a right liquid extraction pump, and a liquid delivery pipe. The left liquid extraction pump is connected to the left side of the liquid storage box, the right liquid extraction pump is connected to the right side of the liquid storage box, and the liquid delivery pipe is respectively connected to the left side of the left liquid extraction pump and the right side of the right liquid extraction pump.

[0016] With the above technical solution, by setting up the transmission component, after the left liquid extraction pump is powered on and started, it can transport the hydraulic fluid in the liquid storage box into the left moving component to provide power for the left moving component. After the right liquid extraction pump is powered on and started, it can transport the hydraulic fluid in the liquid storage box into the right moving component to provide power for the right moving component. The liquid delivery pipe can guide the hydraulic fluid transported by the left liquid extraction pump and the right liquid extraction pump into the left moving component and the right moving component.

[0017] The present invention is further configured as: the left moving component includes a left hydraulic rod, a left liquid control port, and a left protective sleeve. The left hydraulic rod is bolted to the left side of the connecting rod, the left liquid control port is opened at the front side of the left hydraulic rod, the left liquid control port is connected to the left end of the liquid delivery pipe, and the left protective sleeve is sleeved on the left side of the surface of the left hydraulic rod.

[0018] With the above technical solution, by setting the left moving component, when hydraulic fluid is delivered, the left hydraulic rod can push the steering component, facilitating the vehicle to provide left-side steering assistance when moving left. The left fluid control port can facilitate the delivery of hydraulic fluid into the left hydraulic rod to provide power, and the left protective sleeve can protect the left hydraulic rod.

[0019] The present invention is further configured as follows: The right moving component includes a right hydraulic rod, a right fluid control port, and a right protective sleeve. The right hydraulic rod is bolted to the right side of the connecting rod. The right fluid control port is opened on the front side of the right hydraulic rod. The right fluid control port is communicated with the right end of the infusion pipe. The right protective sleeve is sleeved on the right side of the surface of the right hydraulic rod.

[0020] With the above technical solution, by setting the right moving component, when hydraulic fluid is delivered, the right hydraulic rod can push the steering component, facilitating the vehicle to provide right-side steering assistance when moving right. The right fluid control port can facilitate the delivery of hydraulic fluid into the right hydraulic rod to provide power, and the right protective sleeve can protect the right hydraulic rod.

[0021] The present invention is further configured as follows: The steering component includes a steering head, an oil guiding groove, and an oil quantity monitor. The steering head is bolted to the left side of the left hydraulic rod and the right side of the right hydraulic rod respectively. The oil guiding groove is opened on the top of the steering head. The oil quantity monitor is bolted to the surface of the steering head.

[0022] With the above technical solution, by setting the steering component, the steering head can be connected to the vehicle's wheel hub, facilitating the provision of assistance during vehicle steering. The oil guiding groove can introduce lubricating oil into the steering head, and the oil quantity monitor can monitor the lubricating oil quantity in the steering head in real time, so that the lubrication component can deliver and extract the lubricating oil in the steering head.

[0023] The present invention is further configured as follows: The lubrication component includes a suction pump, an oil storage box, and an oil delivery pipe. The suction pump is communicated with the bottom of the steering head. The oil storage box is communicated with the bottom of the suction pump. The oil delivery pipe is communicated with the front side of the oil storage box. The end of the oil delivery pipe away from the oil storage box is communicated with the steering head.

[0024] With the above technical solution, by setting the lubrication component, after the suction pump is powered on and started, it can pump the lubricating oil in the oil storage box into the steering head to lubricate the steering head. The oil storage box can store the lubricating oil. When the lubricating oil quantity in the steering head is excessive, the oil delivery pipe can introduce the lubricating oil into the oil storage box to avoid overflow due to excessive lubrication amount, and can recycle the lubricating oil for reuse.

[0025] The present invention is further configured as follows: the control system includes a control center, an oil control module, a motion module, a monitoring module, and a lubrication module. The control center is bidirectionally electrically connected to the oil control module, the motion module is bidirectionally electrically connected to the control center, the monitoring module is bidirectionally electrically connected to the control center, the control center is unidirectionally electrically connected to the lubrication module, and the control system is unidirectionally electrically connected to a power supply module.

[0026] With the above technical solution, by setting up the control system, the control center is the controller, which can transmit, analyze, and control the overall structure of the control system. The oil control module is a transmission component, which can control the delivery mode of the hydraulic fluid in the liquid storage box after receiving the information conveyed by the control center. The motion module is the left motion component and the right motion component, which can control the motion modes of the left hydraulic rod and the right motion component after receiving the information conveyed by the control center. The monitoring module is an oil quantity monitor, which can monitor the oil quantity in the steering head in real time and transmit the monitored information to the control center for the control center to analyze and process the oil quantity information and then transmit the processed information to the lubrication module. The lubrication module is a lubrication component, which can control the oil pump to add and extract lubricating oil to the steering head after receiving the information conveyed by the control center. The power supply module supplies power to the vehicle battery or engine.

[0027] In summary, the present invention has the following beneficial effects:

[0028] 1. By setting up the rotation control mechanism, the support component can support and limit the fixed component and the boosting mechanism. The fixed component can support and limit the storage component. The storage component can store the hydraulic fluid and control the rotation control mechanism and the boosting mechanism. The transmission component can provide power for the boosting mechanism to facilitate the boosting mechanism to assist in the steering of the vehicle.

[0029] 2. By setting up the boosting mechanism and the control system, the left motion component can assist the vehicle when the vehicle turns left, the right motion component can assist the vehicle when the vehicle turns right. The steering component can monitor the lubricating oil quantity at the steering position in real time during steering assistance, increasing the stability of the lubricating oil quantity in the steering area. The lubrication component can transport the lubrication to the steering component and recycle the excess lubricating oil in the steering component. The control system can control the rotation control mechanism and the boosting mechanism. The control center can control the oil control module, the motion module, and the lubrication module, and at the same time analyze and process the information transmitted by the oil control module, the motion module, the monitoring module, and the lubrication module. The oil control module can control the hydraulic fluid in the rotation control mechanism. The rotation control mechanism can control the operation of the left motion component and the right motion component. The monitoring module can monitor the lubricating oil quantity in the steering component in real time. The lubrication module can control the lubricating oil quantity in the steering head. The power supply module can provide power support for the control system. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 is a schematic diagram of the rotation control mechanism structure of the present invention;

[0032] Figure 3 is a schematic diagram of the support component structure of the present invention;

[0033] Figure 4 is a schematic diagram of the fixing component structure of the present invention;

[0034] Figure 5 is a schematic diagram of the stock component structure of the present invention;

[0035] Figure 6 is a schematic diagram of the transmission component structure of the present invention;

[0036] Figure 7 is a schematic diagram of the boosting mechanism structure of the present invention;

[0037] Figure 8 is a schematic diagram of the left moving component structure of the present invention;

[0038] Figure 9 is a schematic diagram of the right moving component structure of the present invention;

[0039] Figure 10 is a schematic diagram of the steering component structure of the present invention;

[0040] Figure 11 is a schematic diagram of the lubrication component structure of the present invention;

[0041] Figure 12 is a diagram of the control system of the present invention.

[0042] Reference numerals: 1, rotation control mechanism; 101, support assembly; 1011, support rod; 1012, connecting rod; 1013, limit rod; 102, fixing assembly; 1021, mounting sleeve; 1022, connecting plate; 1023, positioning sleeve; 103, stock assembly; 1031, liquid storage box; 1032, liquid inlet; 1033, controller; 104, transmission assembly; 1041, left liquid pump; 1042, right liquid pump; 1043, liquid delivery pipe; 2, boosting mechanism; 201, left moving assembly; 2011, left hydraulic rod; 2012, left liquid control port; 2013, left protective sleeve; 202, right moving assembly; 2021, right hydraulic rod; 2022, right liquid control port; 2023, right protective sleeve; 203, steering assembly; 2031, steering head; 2032, oil guiding groove; 2033, oil quantity monitor; 204, lubrication assembly; 2041, oil pump; 2042, oil storage box; 2043, oil delivery pipe; 3, control system; 301, control center; 302, oil control module; 303, motion module; 304, monitoring module; 305, lubrication module; 306, power supply module. Detailed implementation manners

[0043] The present invention will be further described in detail below with reference to the accompanying drawings.

[0044] Embodiment 1:

[0045] Refer to Figures 1-6 , an electronic power steering device, including a rotation control mechanism 1, boosting mechanisms 2 are bolted to both sides of the rotation control mechanism 1. The rotation control mechanism 1 includes a support assembly 101, a fixing assembly 102, a stock assembly 103 and a transmission assembly 104. The fixing assembly 102 is bolted to the surface of the support assembly 101. The stock assembly 103 is bolted to the inner side of the fixing assembly 102. The transmission assembly 104 is communicated with both sides of the stock assembly 103. By providing the rotation control mechanism 1, the support assembly 101 can support and limit the fixing assembly 102 and the boosting mechanisms 2. The fixing assembly 102 can support and limit the stock assembly 103. The stock assembly 103 can store hydraulic fluid and control the rotation control mechanism 1 and the boosting mechanisms 2. The transmission assembly 104 can provide power for the boosting mechanisms 2, facilitating the boosting mechanisms 2 to assist in the steering of the vehicle.

[0046] As Figure 3 shown, the support assembly 101 includes a support rod 1011, a connecting rod 1012 and a limit rod 1013. The connecting rod 1012 is bolted to both sides of the support rod 1011. The limit rod 1013 is bolted to the inner side of the support. By providing the support assembly 101, the support rod 1011 can support and limit the connecting rod 1012 and the limit rod 1013. The connecting rod 1012 can support and limit the boosting mechanisms 2. The limit rod 1013 can support and limit the fixing assembly 102.

[0047] As Figure 4 shown, the fixing component 102 includes a mounting sleeve 1021, a connecting plate 1022 and a positioning sleeve 1023. The mounting sleeve 1021 is bolted to the surface of the limiting rod 1013, the connecting plate 1022 is bolted to the front side of the mounting sleeve 1021, and the positioning sleeve 1023 is bolted to the inner side of the connecting plate 1022. By providing the fixing component 102, the mounting sleeve 1021 can support and limit the connecting plate 1022, and the connecting plate 1022 can support and limit the connecting plate 1022 and can support and limit the stock component 103.

[0048] As Figure 5 shown, the stock component 103 includes a liquid storage box 1031, a liquid inlet 1032 and a controller 1033. The liquid storage box 1031 is bolted to the inner side of the positioning sleeve 1023, the liquid inlet 1032 is opened at the top of the liquid storage box 1031, and the controller 1033 is bolted to the front side of the liquid storage box 1031. By providing the stock component 103, the liquid storage box 1031 can store hydraulic fluid, facilitating the transmission component 104 to transport the hydraulic fluid to the boosting mechanism 2 to provide power. The liquid inlet 1032 can facilitate the user to add hydraulic fluid into the liquid storage box 1031. The controller 1033 is an information processor that can be connected to the vehicle control panel and can analyze and process the information transmitted by the control mechanism 1 and the boosting mechanism 2.

[0049] As Figure 6 shown, the transmission component 104 includes a left liquid pump 1041, a right liquid pump 1042 and a liquid delivery pipe 1043. The left liquid pump 1041 is connected to the left side of the liquid storage box 1031, the right liquid pump 1042 is connected to the right side of the liquid storage box 1031, and the liquid delivery pipe 1043 is respectively connected to the left side of the left liquid pump 1041 and the right side of the right liquid pump 1042. By providing the transmission component 104, after the left liquid pump 1041 is powered on and started, it can transport the hydraulic fluid in the liquid storage box 1031 into the left moving component 201 to provide power for the left moving component 201. After the right liquid pump 1042 is powered on and started, it can transport the hydraulic fluid in the liquid storage box 1031 into the right moving component 202 to provide power for the right moving component 202. The liquid delivery pipe 1043 can guide the hydraulic fluid transported by the left liquid pump 1041 and the right liquid pump 1042 into the left moving component 201 and the right moving component 202.

[0050] Brief description of the usage process: First, power on and start the steering control mechanism 1, then inject hydraulic fluid into the liquid storage box 1031 from the liquid inlet 1032 until the liquid storage box 1031 is full, and then close the liquid inlet 1032. The user can operate the steering of the vehicle by using the controller 1033. Then, when the vehicle turns left, the left liquid extraction pump 1041 will transport the hydraulic fluid in the liquid storage box 1031 to the power assist mechanism 2 through the liquid delivery pipe 1043, so that the power assist mechanism 2 can assist the vehicle. When the vehicle turns right, the right liquid extraction pump 1042 will transport the hydraulic fluid in the liquid storage box 1031 to the power assist mechanism 2 through the liquid delivery pipe 1043, so that the power assist mechanism 2 can assist the vehicle until the steering is completed.

[0051] Embodiment 2:

[0052] Referring to FIGS. 7-12, an electronic power steering device, a power assist mechanism 2 and a control system 3. The power assist mechanism 2 is bolted to both sides of the steering control mechanism 1. The power assist mechanism 2 includes a left moving component 201, a right moving component 202, a steering component 203 and a lubrication component 204. The left moving component 201 is bolted to the left side of the support component 101, and the right moving component 202 is bolted to the right side of the support component 101. The steering component 203 is bolted to the left side of the left moving component 201 and the right side of the right moving component 202 respectively. The lubrication component 204 is connected to the bottom of the steering component 203. By setting the power assist mechanism 2 and the control system 3, the left moving component 201 can assist the vehicle when the vehicle turns left, and the right moving component 202 can assist the vehicle when the vehicle turns right. The steering component 203 can monitor the lubricating oil quantity at the steering position in real time during power steering, increasing the stability of the lubricating oil quantity inside the steering position. The lubrication component 204 can transport lubrication to the steering component 203 and recycle the excess lubricating oil in the steering component 203. The control system 3 can control the steering control mechanism 1 and the power assist mechanism 2. The control center 301 can control the oil control module 302, the motion module 303 and the lubrication module 305, and at the same time analyze and process the information transmitted by the oil control module 302, the motion module 303, the monitoring module 304 and the lubrication module 305. The oil control module 302 can control the hydraulic fluid in the steering control mechanism 1. The steering control mechanism 1 can control the operation of the left moving component 201 and the right moving component 202. The monitoring module 304 can monitor the lubricating oil quantity in the steering component 203 in real time. The lubrication module 305 can control the lubricating oil quantity in the steering head 2031. The power supply module 306 can provide power support for the control system 3.

[0053] As Figure 8As shown in the figure, the left moving component 201 includes a left hydraulic rod 2011, a left liquid control port 2012, and a left protective sleeve 2013. The left hydraulic rod 2011 is bolted to the left side of the connecting rod 1012. The left liquid control port 2012 is opened on the front side of the left hydraulic rod 2011. The left liquid control port 2012 is communicated with the left end of the infusion tube 1043. The left protective sleeve 2013 is sleeved on the left side of the surface of the left hydraulic rod 2011. By setting the left moving component 201, when hydraulic fluid is delivered into the left hydraulic rod 2011, the left hydraulic rod 2011 can push the steering component 203, which is convenient for the vehicle to provide left steering assistance when moving to the left. The left liquid control port 2012 can facilitate the delivery of hydraulic fluid into the left hydraulic rod 2011 to provide power. The left protective sleeve 2013 can protect the left hydraulic rod 2011.

[0054] As Figure 9 shown in the figure, the right moving component 202 includes a right hydraulic rod 2021, a right liquid control port 2022, and a right protective sleeve 2023. The right hydraulic rod 2021 is bolted to the right side of the connecting rod 1012. The right liquid control port 2022 is opened on the front side of the right hydraulic rod 2021. The right liquid control port 2022 is communicated with the right end of the infusion tube 1043. The right protective sleeve 2023 is sleeved on the right side of the surface of the right hydraulic rod 2021. By setting the right moving component 202, when hydraulic fluid is delivered into the right hydraulic rod 2021, the right hydraulic rod 2021 can push the steering component 203, which is convenient for the vehicle to provide right steering assistance when moving to the right. The right liquid control port 2022 can facilitate the delivery of hydraulic fluid into the right hydraulic rod 2021 to provide power. The right protective sleeve 2023 can protect the right hydraulic rod 2021.

[0055] As Figure 10 shown in the figure, the steering component 203 includes a steering head 2031, an oil guiding groove 2032, and an oil quantity monitor 2033. The steering head 2031 is bolted to the left side of the left hydraulic rod 2011 and the right side of the right hydraulic rod 2021 respectively. The oil guiding groove 2032 is opened on the top of the steering head 2031. The oil quantity monitor 2033 is bolted to the surface of the steering head 2031. By setting the steering component 203, the steering head 2031 can be connected to the vehicle's wheel hub, which is convenient for providing assistance when the vehicle steers. The oil guiding groove 2032 can introduce lubricating oil into the steering head 2031. The oil quantity monitor 2033 can monitor the lubricating oil quantity in the steering head 2031 in real time, so as to facilitate the lubricating component 204 to deliver and extract the lubricating oil in the steering head 2031.

[0056] As Figure 11As shown, the lubrication assembly 204 includes an oil pump 2041, an oil storage box 2042, and an oil delivery pipe 2043. The oil pump 2041 is connected to the bottom of the steering head 2031, the oil storage box 2042 is connected to the bottom of the oil pump 2041, the oil delivery pipe 2043 is connected to the front side of the oil storage box 2042, and one end of the oil delivery pipe 2043 away from the oil storage box 2042 is connected to the steering head 2031. By providing the lubrication assembly 204, after the oil pump 2041 is powered on and started, it can pump the lubricating oil in the oil storage box 2042 into the steering head 2031 to lubricate the steering head 2031. The oil storage box 2042 can store the lubricating oil, and when the amount of lubricating oil in the steering head 2031 is excessive, the oil delivery pipe 2043 can introduce the lubricating oil into the oil storage box 2042 to prevent overflow due to excessive lubrication amount, and can recycle the lubricating oil for reuse.

[0057] As Figure 12 As shown, the control system 3 includes a control center 301, an oil control module 302, a motion module 303, a monitoring module 304, and a lubrication module 305. The control center 301 is bidirectionally electrically connected to the oil control module 302, the motion module 303 is bidirectionally electrically connected to the control center 301, the monitoring module 304 is bidirectionally electrically connected to the control center 301, the control center 301 is unidirectionally electrically connected to the lubrication module 305, and the control system 3 is unidirectionally electrically connected to a power supply module 306. By providing the control system 3, the control center 301 is the controller 1033, which can transmit, analyze, and control the information of the overall structure of the control system 3. The oil control module 302 is the transmission assembly 104, which can control the delivery mode of the hydraulic fluid in the liquid storage box 1031 after receiving the information conveyed by the control center 301. The motion module 303 is the left motion assembly 201 and the right motion assembly 202, which can control the motion modes of the left hydraulic rod 2011 and the right motion assembly 202 after receiving the information conveyed by the control center 301. The monitoring module 304 is the oil quantity monitor 2033, which can monitor the oil quantity in the steering head 2031 in real time and transmit the monitored information to the control center 301 for the control center 301 to analyze and process the oil quantity information, and then transmit the processed information to the lubrication module 305. The lubrication module 305 is the lubrication assembly 204, which can control the oil pump 2041 to add and extract lubricating oil to the steering head 2031 after receiving the information conveyed by the control center 301. The power supply module 306 supplies power to the vehicle battery or engine.

[0058] Brief description of the usage process: First, power on and start the boosting mechanism 2. Then, when the user needs to turn the vehicle to the left, the control rotation mechanism 1 will deliver hydraulic fluid to the left control fluid port 2012. After that, the hydraulic fluid will enter the left hydraulic rod 2011, and the left hydraulic rod 2011 will push the steering head 2031 to drive the vehicle wheel hub to move leftward with assistance. Then, when the user needs to turn the vehicle to the right, the control rotation mechanism 1 will deliver hydraulic fluid to the right control fluid port 2022. After that, the hydraulic fluid will enter the right hydraulic rod 2021, and the right hydraulic rod 2021 will push the steering head 2031 to drive the vehicle wheel hub to move rightward with assistance. After completing the assistance for vehicle turning, the oil quantity monitor 2033 will monitor the lubricating oil quantity in the steering head 2031 in real time, and then transmit the monitoring information to the control center 301. After the control center 301 analyzes and processes the information, it will transmit the information to the lubrication module 305. When the lubricating oil quantity in the steering head 2031 is insufficient, the lubrication module 305 will start the oil pump 2041 to deliver the lubricating oil in the oil storage box 2042 to the steering head 2031 for lubrication. When the lubricating oil quantity in the steering head 2031 is excessive, the oil pump 2041 will stop adding lubricating oil. Then, the lubricating oil will enter the oil delivery pipe 2043 along the oil guiding groove 2032 and finally flow into the oil storage box 2042 from the oil delivery pipe 2043.

[0059] This specific embodiment is only an interpretation of the present invention and is not a limitation thereof. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. An electronic power steering device, comprising a rotation control mechanism (1), a power assistance mechanism (2) and a control system (3), characterized in that: The boosting mechanism (2) is bolted to both sides of the rotation control mechanism (1). The rotation control mechanism (1) includes a support assembly (101), a fixing assembly (102), a stockpiling assembly (103), and a transmission assembly (104). The fixing assembly (102) is bolted to the surface of the support assembly (101). The stockpiling assembly (103) is bolted to the inner side of the fixing assembly (102). The transmission assembly (104) is connected to both sides of the stockpiling assembly (103). The boosting mechanism (2) includes a left moving assembly (201), a right moving assembly (202), a steering assembly (203), and a lubrication assembly (204). The left moving assembly (201) is bolted to the left side of the support assembly (101). The right moving assembly (202) is bolted to the right side of the support assembly (101). The steering assembly (203) is bolted to the left side of the left moving assembly (201) and the right side of the right moving assembly (202) respectively. The lubrication assembly (204) is connected to the bottom of the steering assembly (203); The support assembly (101) includes a support rod (1011), a connecting rod (1012), and a limiting rod (1013). The connecting rod (1012) is bolted to both sides of the support rod (1011). The limiting rod (1013) is bolted to the inner side of the support; The fixing assembly (102) includes a mounting sleeve (1021), a connecting plate (1022), and a positioning sleeve (1023). The mounting sleeve (1021) is bolted to the surface of the limiting rod (1013). The connecting plate (1022) is bolted to the front side of the mounting sleeve (1021). The positioning sleeve (1023) is bolted to the inner side of the connecting plate (1022); The stockpiling assembly (103) includes a liquid storage box (1031), a liquid inlet (1032), and a controller (1033). The liquid storage box (1031) is bolted to the inner side of the positioning sleeve (1023). The liquid inlet (1032) is opened at the top of the liquid storage box (1031). The controller (1033) is bolted to the front side of the liquid storage box (1031); The transmission assembly (104) includes a left liquid pump (1041), a right liquid pump (1042), and a liquid delivery pipe (1043). The left liquid pump (1041) is connected to the left side of the liquid storage box (1031). The right liquid pump (1042) is connected to the right side of the liquid storage box (1031). The liquid delivery pipe (1043) is respectively connected to the left side of the left liquid pump (1041) and the right side of the right liquid pump (1042); The left moving assembly (201) includes a left hydraulic rod (2011), a left liquid control port (2012), and a left protective sleeve (2013). The left hydraulic rod (2011) is bolted to the left side of the connecting rod (1012). The left liquid control port (2012) is opened at the front side of the left hydraulic rod (2011). The left liquid control port (2012) is connected to the left end of the liquid delivery pipe (1043). The left protective sleeve (2013) is sleeved on the left side of the surface of the left hydraulic rod (2011); The right moving component (202) includes a right hydraulic rod (2021), a right liquid control port (2022), and a right protective sleeve (2023). The right hydraulic rod (2021) is bolted to the right side of the connecting rod (1012). The right liquid control port (2022) is opened on the front side of the right hydraulic rod (2021). The right liquid control port (2022) is communicated with the right end of the infusion tube (1043). The right protective sleeve (2023) is sleeved on the right side of the surface of the right hydraulic rod (2021). The steering component (203) includes a steering head (2031), an oil guiding groove (2032), and an oil quantity monitor (2033). The steering head (2031) is bolted to the left side of the left hydraulic rod (2011) and the right side of the right hydraulic rod (2021) respectively. The oil guiding groove (2032) is opened on the top of the steering head (2031). The oil quantity monitor (2033) is bolted to the surface of the steering head (2031). The lubrication component (204) includes an oil pump (2041), an oil storage box (2042), and an oil delivery pipe (2043). The oil pump (2041) is communicated with the bottom of the steering head (2031). The oil storage box (2042) is communicated with the bottom of the oil pump (2041). The oil delivery pipe (2043) is communicated with the front side of the oil storage box (2042). One end of the oil delivery pipe (2043) away from the oil storage box (2042) is communicated with the steering head (2031). The control system (3) includes a control center (301), an oil control module (302), a motion module (303), a monitoring module (304), and a lubrication module (305). The control center (301) is bidirectionally electrically connected with the oil control module (302). The motion module (303) is bidirectionally electrically connected with the control center (301). The monitoring module (304) is bidirectionally electrically connected with the control center (301). The control center (301) is unidirectionally electrically connected with the lubrication module (305). The control system (3) is unidirectionally electrically connected with a power supply module (306).

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