Electro-hydraulic drive type horizontal jack

Abstract

The utility model relates to the technical field of jack manufacturing, especially a electro-hydraulic drive type horizontal jack. The lifting arm and power unit are both installed based on the frame, and the power unit is hinged with the lifting arm. The instruction sending component is provided with independent power supply, and sends instruction signal to the control mainboard through wireless communication protocol. The control mainboard is matched with the power unit, and both are electrically connected with the power supply unit. The control mainboard has standby response state and instruction execution state: when receiving the lifting / lowering control signal of the instruction sending component, the control mainboard switches from standby response state to instruction execution state; when the power unit completes the lifting and lowering action, or the new instruction is not received in time, it returns to standby response state from instruction execution state. Thanks to the wireless control design, the traditional physical cable connection design is abandoned; and with the function locking mechanism of the instruction sending component, the risk of accidental touch in non-working state is effectively avoided, and the energy consumption of the independent power supply is reduced.

Description

Technical Field

[0001] This utility model relates to the field of jack manufacturing technology, and in particular to an electro-hydraulic driven horizontal jack. Background Technology

[0002] Horizontal hydraulic jacks are key equipment in automotive repair and heavy object lifting scenarios. With their advantages of compact structure and strong lifting force, they are widely used in industrial production and daily maintenance.

[0003] With the diversification of maintenance work scenarios and the increasing demands for ease of operation and operational safety, the technical limitations of traditional horizontal hydraulic jacks have gradually become apparent, making it difficult to meet current practical needs. Their application defects are mainly reflected in the following aspects: 1) Most mainstream horizontal hydraulic jacks currently rely on wired control. Physical cables not only increase the difficulty of storage and are prone to signal interruption due to pulling and wear, but also limit the operator's range of movement. A few products that have tried to use wireless control have failed to build a complete control system. They lack a reasonable design to enable motion control functions through specific operations, and they lack an effective mechanism to turn off functions and stop command transmission through corresponding operations, making it difficult to meet the practicality and reliability requirements of wireless control. 2) Existing products mostly use simple relays or basic microcontrollers, which can only independently control the start and stop of the motor and the on and off of the solenoid valve, completely ignoring the necessity of linkage between the two under different working conditions. For example, when lifting, if the solenoid valve does not block the return oil of the hydraulic circuit in sync after the motor starts, it will inevitably lead to hydraulic oil backflow and insufficient lifting force; when lowering, if only the solenoid valve is opened without stopping the motor in sync, it will inevitably cause the motor to idle and consume energy, and may even cause the heavy object to drop suddenly due to pressure imbalance, which seriously affects the work efficiency and safety.

[0004] In summary, the deficiencies in the operation method and core component control of traditional horizontal hydraulic jacks have become the key factors restricting their adaptation to modern operational needs, and technical personnel urgently need to address these issues. Utility Model Content

[0005] The purpose of this utility model is to provide an electro-hydraulic driven horizontal jack, which aims to solve the problems of inconvenient wired operation in the existing design and the inability of the control unit to link the motor and the solenoid valve, resulting in low operating efficiency and poor safety.

[0006] This utility model relates to an electro-hydraulic driven horizontal jack, including a frame, lifting arm, power unit, wireless control unit, control motherboard and power supply unit; The power unit is hinged to the boom, and both are mounted on the frame. The power unit is an electro-hydraulic drive structure used to drive the boom to perform lifting and lowering movements. The wireless control unit includes a command transmission component; the command transmission component has its own independent power supply and sends command signals to the control motherboard via a wireless communication protocol. The command sending component has an unlocking and locking triggering mechanism for motion control functions: when the first operation is triggered, the command sending component unlocks the motion control function; when the second operation is triggered, the command sending component locks the motion control function. The control motherboard and the power unit are matched, and both are electrically connected to the power supply unit; The control motherboard has a standby response state and an instruction execution state: When the control motherboard receives a lifting control signal from the command sending component, it switches from the standby response state to the command execution state and controls the power unit to drive the lifting arm to lift. When the control motherboard receives a descent control signal from the command sending component, it switches from the standby response state to the command execution state and controls the power unit to drive the crane arm to descend. When the control motherboard finishes controlling the power unit to perform the lifting action, or when it times out in the command execution state without receiving a new command, it returns from the command execution state to the standby response state.

[0007] As a further improvement to the technical solution disclosed in this utility model, the power unit includes a pump station, a motor, and a solenoid valve; The pump station is installed on a frame; the motor and solenoid valve are both equipped with the pump station and are powered by the power supply unit. When the control board is in command execution mode, it outputs a start signal to the motor and a stop signal to the solenoid valve in response to the lifting control signal; and it outputs a stop signal to the motor and an open signal to the solenoid valve in response to the lowering control signal. The motor normally maintains low-power standby mode, drives the pump station to perform work when it receives a start signal, and returns to standby mode when it receives a stop signal. When the solenoid valve receives a close signal, it blocks the return oil flow of the hydraulic circuit in the pump station; when it receives an open signal, it allows the return oil flow of the hydraulic circuit in the pump station to resume.

[0008] As a further improvement to the technical solution disclosed in this utility model, the electro-hydraulic driven horizontal jack also includes a control lever; the control lever is movably connected to the frame through a rotating or folding structure, used to push or adjust the overall placement position of the frame, and serves as the installation and fixing foundation for the power supply unit.

[0009] Of course, as another modified design of the above technical solution, the power supply unit adopts a hidden structure design and is embedded in the pre-set installation cavity inside the rack.

[0010] As a further improvement to the technical solution disclosed in this utility model, the power supply unit is powered by a main power supply, an external mains power supply, and an external discharge port provided by the new energy vehicle.

[0011] As a further improvement to the technical solution disclosed in this utility model, the command sending component integrates a power button, an UP button, and a DOWN button; pressing the power button triggers a first operation, pressing the power button again triggers a second operation, and pressing the UP button or the DOWN button triggers an action control operation; when the UP button is pressed, the command sending component sends a lifting control signal; when the DOWN button is pressed, the command sending component sends a lowering control signal.

[0012] As a further improvement to the technical solution disclosed in this utility model, the instruction sending component also includes a power detection unit and a status indicator light; the power detection unit monitors the remaining power of the built-in power supply in real time, and when the remaining power is lower than a preset threshold, the power detection unit triggers the status indicator light to flash at a preset frequency.

[0013] As a further improvement to the technical solution disclosed in this utility model, when the control motherboard is in standby response state, after receiving the lift control signal or the descent control signal, it encodes and verifies both signals, and only after the verification is successful does it switch to the instruction execution state and output a start signal, a stop signal, a stop signal, or an open signal.

[0014] As a further improvement to the technical solution disclosed in this utility model, the encoding verification includes signal frequency matching verification and preset encryption rule comparison: the control motherboard first verifies whether the wireless frequency of the lift control signal or the fall control signal is consistent with the preset working frequency. After frequency matching, it compares whether the encryption code built into the lift control signal or the fall control signal is consistent with the encoding rules stored in the control motherboard. If both are satisfied, the verification is deemed successful; otherwise, the verification is deemed unsuccessful and the lift control signal and the fall control signal are ignored, maintaining a standby response state.

[0015] As a further improvement to the technical solution disclosed in this utility model, after the instruction sending component switches to the function unlocked state, it sends a ready signal to the control motherboard; after receiving the ready signal, if the control motherboard does not receive the lifting control signal or the lowering control signal within a preset time, it returns from the waiting instruction state to the standby response state, outputs a stop signal to the motor, and simultaneously sends a timeout prompt signal back to the instruction sending component.

[0016] As a further improvement to the technical solution disclosed in this utility model, the lifting arm is equipped with a displacement detection sensor; the displacement detection sensor detects the lifting height and lowering height of the lifting arm in real time, and transmits the detected height data to the control main board; when the lifting height of the lifting arm reaches the preset maximum limit or the lowering height reaches the preset minimum limit, the control main board returns from the command execution state to the standby response state, outputs a stop signal to the motor, and outputs a corresponding control signal to the solenoid valve.

[0017] As a further improvement to the technical solution disclosed in this utility model, the pump station is equipped with a pressure detection unit; the pressure detection unit monitors the pressure value in the hydraulic circuit in real time and transmits the pressure data to the control main board; when the pressure value in the hydraulic circuit exceeds the preset safe pressure threshold, the control main board immediately returns from the command execution state to the standby response state, outputs a stop signal to the motor, and controls the solenoid valve to open the hydraulic circuit return oil; when the pressure value in the hydraulic circuit returns to the safe range, the control main board returns to the standby response state, and can respond to the lifting control signal or the lowering control signal again and switch to the command execution state.

[0018] In practical applications, the electro-hydraulic driven horizontal jack disclosed in this utility model can achieve at least the following beneficial technical effects, specifically: 1) The command transmission component transmits commands to the control motherboard wirelessly, eliminating the need for physical cables. This allows for flexible adaptation to various operational scenarios, such as confined spaces, hazardous areas around heavy objects, and remote monitoring of lifting and lowering status, significantly improving operational convenience and safety. Furthermore, the command transmission component can switch from a locked to an unlocked state via a first operation, sequentially activating its own motion control functions and sending lifting or lowering commands. After the operation is completed, a second operation locks the motion control functions, stops signal transmission, and returns to the locked state. This not only allows for precise control of the entire command transmission process, preventing accidental activation during non-operational periods, but also reduces the energy consumption of the command transmission component's independent power supply. 2) The control motherboard uses a switching logic of "standby response state - command execution state" to respond immediately upon receiving a lifting control signal or a lowering control signal from the command sending component. The response logic is highly compatible with the power unit: When a lifting control signal is received, the control motherboard switches from standby response state to command execution state, simultaneously outputting a start signal to the motor and a stop signal to the solenoid valve. This ensures that, on the one hand, the drive motor continuously powers the pump station to provide sufficient driving force; on the other hand, it blocks the return oil in the hydraulic circuit to ensure lossless power transmission, achieving stable lifting of the heavy object. When a lowering control signal is received, the control motherboard similarly switches from standby response state to command execution state, simultaneously outputting a stop signal to the motor and an open signal to the solenoid valve. This ensures smooth pressure release by opening the hydraulic circuit through the solenoid valve, while avoiding ineffective energy consumption caused by motor idling, ensuring a slow and smooth descent of the heavy object. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional schematic diagram of the electro-hydraulic driven horizontal jack disclosed in this utility model (with part of the power unit exposed).

[0021] Figure 2 This is a three-dimensional schematic diagram of the electro-hydraulic driven horizontal jack disclosed in this utility model from another perspective.

[0022] Figure 3 yes Figure 1 A magnified view of part of I.

[0023] Figure 4 This is the motion control flowchart of the electro-hydraulic driven horizontal jack disclosed in this utility model.

[0024] Figure 5 This is the electrical schematic diagram of the instruction sending component disclosed in this utility model.

[0025] 1-Frame; 2-Lifting boom; 3-Power unit; 4-Wireless control unit; 41-Command transmission component; 411-Power button; 412-UP button; 413-DOWN button; 414-Status indicator light; 5-Power supply unit; 6-Control joystick. Detailed Implementation

[0026] The technical solution of this utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. Figure 1 , Figure 2 Two different perspectives of the electro-hydraulic driven horizontal jack disclosed in this utility model are shown. It can be seen that it is mainly composed of several parts, including frame 1, lifting arm 2, power unit 3, wireless control unit 4, control motherboard (not shown in the figure), power supply unit 5 and control lever 6. These parts work together to form a complete working system, and finally realize the safe lifting and lowering of heavy objects. The power unit 3 is hinged to the lifting arm 2, and both are mounted on the frame 1. The lifting arm 2, as the core actuator that directly bears heavy objects and performs lifting and lowering actions, is driven entirely by the power unit 3. The power unit 3 is an electro-hydraulic drive structure that converts electrical and hydraulic energy into mechanical kinetic energy to drive the lifting arm 2 to perform lifting and lowering movements. The wireless control unit 4 serves as the control center, enabling contactless command control through wireless transmission, effectively improving operational flexibility. The power supply unit 5 provides continuous and stable power support to the power unit 3, and both the control motherboard and the power unit 3 are electrically connected to the power supply unit 5. The joystick 6 is responsible for the movement function of the horizontal jack, further optimizing the ease of use of the equipment.

[0027] In addition, the control motherboard is fixed to the preset mounting position of the rack 1. As the core component for signal processing and command execution, the control motherboard is electrically connected to the power unit 3 and has two working modes: standby response state and command execution state. The specific working logic is as follows: when the control motherboard receives a lifting control signal from the wireless control unit 4, the control motherboard switches from the standby response state to the command execution state and controls the power unit 3 to drive the lifting arm 2 to lift; when the control motherboard receives a lowering control signal, the control motherboard also switches to the command execution state and controls the power unit 3 to drive the lifting arm 2 to lower; when the control motherboard finishes controlling the power unit 3 to perform the lifting action, or when no new command is received within the timeout period in the command execution state, the control motherboard returns from the command execution state to the standby response state. The specific structure and working principle of power unit 3 are as follows: It includes a motor, pump station, solenoid valve, and hydraulic cylinder, with each component working together to form a complete power transmission link. The pump station is fixedly installed on frame 1, with its inlet connected to the hydraulic oil tank (not shown in the figure), and its outlet connected to the rodless chamber of the hydraulic cylinder via a high-pressure oil pipe. The pump station is mainly used to deliver high-pressure hydraulic oil to the hydraulic cylinder. The motor maintains a transmission connection with the pump station, and under normal conditions, the motor always remains in a low-power standby state. Both the motor and the solenoid valve are powered by power supply unit 5. When the motor receives the start signal, it immediately drives the pump station to complete the oil suction and pressure actions, efficiently transferring mechanical energy to the hydraulic system. The solenoid valve is connected in series in the hydraulic circuit between the pump station and the hydraulic cylinder. The oil inlet of the solenoid valve is connected to the oil outlet of the pump station, and the working oil port of the solenoid valve is connected to the rodless chamber and the rod chamber of the hydraulic cylinder respectively. The oil return port of the solenoid valve is connected to the hydraulic oil tank. By switching the working state of the solenoid valve itself, the on / off direction and oil return of the hydraulic circuit can be precisely controlled. The piston rod of the hydraulic cylinder is directly connected to the lifting arm 2, converting the hydraulic energy of the high-pressure hydraulic oil into mechanical kinetic energy, pushing the lifting arm 2 to rotate around the hinge point, and finally realizing the lifting or lowering of the heavy object. The design and control mechanism of the wireless control unit 4 are as follows: The wireless control unit 4 includes a command transmission component 41. The command transmission component 41 has its own independent power supply, and it transmits signals to the control motherboard via wireless protocols (such as Bluetooth, infrared, radio frequency, etc.), without relying on physical cable connections. The command transmission component 41 sends command signals to the control motherboard through wireless communication protocols. In this way, operators can control the horizontal jack in confined spaces, outside dangerous areas around heavy objects, or from a distant observation point, greatly improving operational flexibility and safety.

[0028] like Figure 3 As shown, the command sending component 41 integrates a power button 411, an UP button 412, a DOWN button 413, a status indicator light 414, and a power detection unit (not shown in the figure). To ensure operational safety and energy saving, the command sending component 41 has an unlocking and locking trigger mechanism with motion control function. Mode switching can be achieved through specific operations, such as: Figure 5As shown, pressing the power button 411 triggers the first operation, unlocking the motion control function of the command sending component 41. At this time, the status indicator 414 remains lit, indicating that the horizontal jack has entered the operable state. Pressing the UP button 412 (single press or long press) or the DOWN button 413 (single press or long press) triggers the motion control operation, and the command sending component 41 sends a lifting control signal or a lowering control signal to the control motherboard, respectively. Pressing the power button 411 again triggers the second operation, locking the motion control function of the command sending component 41, and the status indicator 414 turns off. This design not only effectively avoids the risk of accidental activation in non-operational states but also significantly reduces the energy consumption of the independent power supply of the command sending component 41, extending the service life of the independent power supply. Furthermore, the power detection unit is used to monitor the remaining power of the independent power supply of the command sending component 41 in real time. The device has a preset power warning threshold for the independent power supply. When the remaining power of the independent power supply is lower than the power warning threshold, the power detection unit will trigger the status indicator light 414 to flash at a preset frequency to remind the operator to replenish the power of the command sending component 41 in time to prevent the command transmission from being interrupted. Regarding the security verification and status management of the control motherboard, as a further optimization of the above technical solution, after receiving the command signal sent by the command sending component 41, the control motherboard first performs encoding verification on the command signal. Only after successful verification will the control motherboard switch from the standby response state to the command execution state and output the corresponding control command. Specifically, the encoding verification includes two steps: signal frequency matching verification and preset encryption rule comparison. The control motherboard first confirms whether the wireless frequency of the received signal is consistent with the preset operating frequency. Based on frequency matching, the control motherboard then compares the encryption code in the signal with the pre-stored encoding rules through the built-in decryption module. Only when both are satisfied is the verification considered successful. If the verification fails, the control motherboard will ignore the signal and maintain the standby response state, effectively resisting unauthorized signal interference and ensuring the safe operation of the horizontal jack. In addition, when the command sending component 41 switches to the function unlocked state, it sends a ready signal to the control motherboard. After receiving the ready signal, if the control motherboard does not receive a lifting control signal or a lowering control signal within a preset time (such as 30 seconds), it will automatically return from the waiting command state to the standby response state. At the same time, the control motherboard outputs a stop signal to the motor to prevent the motor from starting accidentally, and sends a timeout reminder signal to the command sending component 41, triggering the status indicator 414 to flash. At this time, the operator needs to press the power button 411 again to operate the horizontal jack. This avoids energy waste and provides timely information on the equipment status, improving ease of use. As Figure 4As shown, the motion control process of the horizontal jack forms a complete closed-loop control from command initiation and signal processing to action execution and status feedback, ensuring precise and controllable action. When the control motherboard enters the command execution state, the response logic of the control motherboard is adapted to the working characteristics of the power unit 3: when the control motherboard receives the lifting control signal, it simultaneously outputs a start signal to the motor and a stop signal to the solenoid valve. At this time, the motor drives the pump station to continuously perform work, while the solenoid valve blocks the return oil in the hydraulic circuit, ensuring power transmission without loss and realizing the stable lifting of the boom 2; when the control motherboard receives the lowering control signal, it simultaneously outputs a stop signal to the motor and an open signal to the solenoid valve. The motor stops to avoid ineffective energy consumption, and the solenoid valve opens the return oil in the hydraulic circuit to realize the smooth release of pressure, ensuring the slow descent of the boom 2 and ensuring the stability of the lifting process. To further enhance safety, a displacement detection sensor (not shown in the figure) is installed on the lifting boom 2. The displacement detection sensor is fixed to the hinge joint between the lifting boom 2 and the frame 1 via a bracket, with its detection end in contact with the movable arm of the lifting boom 2. The displacement detection sensor can detect the lifting height and lowering height of the lifting boom 2 in real time and transmit the detected height data to the control mainboard. It is known that the horizontal jack has preset maximum lifting limit and minimum lowering limit. When the detected height reaches the preset maximum lifting limit, the control mainboard outputs a stop signal to the motor and keeps the solenoid valve closed to maintain the lifting height; when the detected height reaches the preset minimum lowering limit, the control mainboard outputs a close signal to the solenoid valve and simultaneously outputs a prohibition signal to the motor to prevent mechanical damage or safety accidents to the horizontal jack due to excessive movement.

[0029] Furthermore, the pump station is also equipped with a pressure detection unit (not shown in the figure). This unit is integrated into the hydraulic outlet of the pump station and connected to the hydraulic circuit. It monitors the pressure value in the hydraulic circuit in real time and transmits the pressure data to the control mainboard. The horizontal jack has a preset safety pressure threshold. When the pressure value in the hydraulic circuit exceeds the safety threshold, the control mainboard immediately returns from the command execution state to the standby response state. The control mainboard outputs a stop signal to the motor and simultaneously controls the solenoid valve to open the hydraulic circuit return oil to relieve pressure. When the pressure value in the hydraulic circuit returns to the safe range, the control mainboard returns to the standby response state to respond to the lifting or lowering control signal and switch back to the command execution state, preventing malfunctions such as pipe rupture and seal damage due to excessive pressure in the hydraulic circuit. The control lever 6 is designed to be movably connected to the frame 1 via a rotating hinge or folding buckle structure. In its natural state, the control lever 6 remains close to the frame 1, effectively reducing the space occupied by the horizontal jack and facilitating equipment transportation. When in use, the operator unfolds the control lever 6 to a set angle, making it convenient for the operator to grip and push or adjust the placement of the frame 1, thus improving the flexibility of the horizontal jack in the work site.

[0030] It should also be noted that the control lever 6 can serve as the mounting base for the power supply unit 5 (such as a lithium battery pack), and the power supply unit 5 is fixed to the control lever 6 by a snap-fit ​​mechanism to optimize the overall structural layout of the horizontal jack. As a supplementary solution to the above integrated design, the power supply unit 5 can also adopt a concealed structure, embedded in a pre-set mounting cavity on the side of the frame 1. The size of the mounting cavity is customized according to the specifications of the power supply unit 5, and the outside of the cavity is equipped with a removable cover plate. The cover plate adopts a threaded connection or quick-lock design to integrate with the frame 1, which can meet the emergency replacement needs of the power supply unit 5 and also protect the power supply unit 5.

[0031] In terms of power supply, power supply unit 5 supports multiple modes, including mains power supply, external AC power supply, and power supply from the external discharge port of a new energy vehicle. The main power supply is a rechargeable lithium battery pack, fixed to the control lever 6 or embedded within the frame 1, providing independent power support for the horizontal jack's mobile operation. External AC power supply connects to the AC power supply via a power cord, suitable for fixed locations such as repair shops, and can support the horizontal jack's continuous operation for extended periods. Power supply from the external discharge port of a new energy vehicle connects to the vehicle's discharge port via a dedicated adapter cable, adapting to automotive repair operations in outdoor scenarios without AC power. These multiple power supply modes are seamlessly switched through a power switching module, ensuring the horizontal jack receives stable power in various operating environments, significantly improving its environmental adaptability. In summary, this utility model, through the organic integration and collaborative design of core components, constructs a horizontal hydraulic jack system that integrates wireless control, multiple safety protections, flexible mobility, and multi-scenario power supply. Specifically, the collaborative operation of the wireless control unit 4 and the power unit 3 enables contactless control; the state switching logic of the control motherboard ensures the safety and reliability of command execution; multiple safety mechanisms guarantee the reliability of the operation process; and the optimized structural and power supply design enhances the horizontal jack's adaptability to various scenarios, effectively solving the technical pain points of traditional horizontal hydraulic jacks.

[0032] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not 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

1. An electro-hydraulic driven horizontal jack, characterized in that, It includes a frame, lifting boom, power unit, wireless control unit, control motherboard, and power supply unit; The power unit is hinged to the lifting boom, and both are mounted on the frame; the power unit is an electro-hydraulic drive structure used to drive the lifting boom to perform lifting movements. The wireless control unit includes a command transmission component; the command transmission component has its own independent power supply and sends command signals to the control motherboard through a wireless communication protocol. The instruction sending component has an unlocking and locking triggering mechanism for the action control function: when the first operation is triggered, the instruction sending component unlocks the action control function; when the second operation is triggered, the instruction sending component locks the action control function. The control motherboard and the power unit are matched, and both are electrically connected to the power supply unit; The control motherboard has a standby response state and an instruction execution state: When the control motherboard receives a lifting control signal from the command sending component, it switches from the standby response state to the command execution state and controls the power unit to drive the lifting arm to lift. When the control motherboard receives a descent control signal from the instruction sending component, it switches from the standby response state to the instruction execution state and controls the power unit to drive the crane arm to descend. When the control motherboard finishes controlling the power unit to perform the lifting action, or when no new instruction is received within the timeout period in the instruction execution state, it returns from the instruction execution state to the standby response state.

2. The electro-hydraulic driven horizontal jack according to claim 1, characterized in that, The power unit includes a pump station, a motor, and a solenoid valve; The pumping station is installed on the frame; the motor and the solenoid valve are both equipped with the pumping station and are powered by the power supply unit. When the control board is in command execution state, it outputs a start signal to the motor and a close signal to the solenoid valve in response to the lifting control signal; and it outputs a stop signal to the motor and an open signal to the solenoid valve in response to the lowering control signal. The motor normally maintains a low-power standby mode, drives the pump station to perform work when it receives a start signal, and returns to standby mode when it receives a stop signal. When the solenoid valve receives a closing signal, it blocks the return oil flow of the hydraulic circuit of the pump station; when it receives an opening signal, it opens the return oil flow of the hydraulic circuit of the pump station.

3. The electro-hydraulic driven horizontal jack according to claim 2, characterized in that, It also includes a joystick; the joystick is movably connected to the frame via a rotating or folding structure, used to push or adjust the overall placement of the frame, and serves as the installation and fixing base for the power supply unit.

4. The electro-hydraulic driven horizontal jack according to claim 2, characterized in that, The power supply unit adopts a concealed structure design and is embedded in a pre-set mounting cavity inside the rack.

5. The electro-hydraulic driven horizontal jack according to any one of claims 3-4, characterized in that, The power supply unit is powered by the main power supply, the external mains power supply, and the external discharge port provided by the new energy vehicle.

6. The electro-hydraulic driven horizontal jack according to claim 2, characterized in that, The command sending component integrates a power button, an UP button, and a DOWN button; pressing the power button triggers a first operation, pressing the power button again triggers a second operation, and pressing the UP button or the DOWN button triggers an action control operation; when the UP button is pressed, the command sending component sends a lifting control signal; when the DOWN button is pressed, the command sending component sends a lowering control signal.

7. The electro-hydraulic driven horizontal jack according to claim 6, characterized in that, The instruction sending component also includes a power detection unit and a status indicator light; the power detection unit monitors the remaining power of the built-in power supply in real time, and when the remaining power is lower than a preset threshold, the power detection unit triggers the status indicator light to flash at a preset frequency.

8. The electro-hydraulic driven horizontal jack according to claim 2, characterized in that, When the control motherboard is in standby response state, it receives a lift control signal or a descent control signal, encodes and verifies both, and only switches to the instruction execution state after the verification is successful, and outputs a start signal, a stop signal, a stop signal or an open signal.

9. The electro-hydraulic driven horizontal jack according to claim 8, characterized in that, The encoding verification includes signal frequency matching verification and preset encryption rule comparison: The control motherboard first verifies whether the wireless frequency of the lift control signal or the fall control signal is consistent with the preset operating frequency. After frequency matching, it compares whether the encryption code built into the lift control signal or the fall control signal matches the encoding rules pre-stored in the control motherboard. If both are satisfied, the verification is deemed successful; otherwise, the verification is deemed unsuccessful and the lift control signal and the fall control signal are ignored, maintaining a standby response state.

10. The electro-hydraulic driven horizontal jack according to claim 2, characterized in that, After the instruction sending component switches to the function unlocked state, it sends a ready signal to the control motherboard. After receiving the ready signal, if the control motherboard does not receive the lifting control signal or the lowering control signal within a preset time, it returns from the waiting instruction state to the standby response state, outputs a stop signal to the motor, and simultaneously sends a timeout prompt signal back to the instruction sending component.

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