Self-adaptive stepless automatic regulation and control supporting system and operation equipment

Abstract

The utility model relates to the technical field of vehicle supporting, in particular to a self-adaptive stepless automatic regulation and control supporting system and operation equipment, which comprises a telescopic supporting leg, a hydraulic regulation mechanism, a pressure detection element and a controller, the hydraulic regulation mechanism comprises a hydraulic pump and a hydraulic cylinder, the hydraulic pump provides hydraulic power for the hydraulic cylinder, the hydraulic cylinder is connected with the telescopic supporting leg, and the telescopic supporting leg is connected with the controller. The pressure detection element is arranged on the hydraulic cylinder, and the controller is electrically connected with the pressure detection element and the hydraulic adjusting mechanism. The pressure of the hydraulic cylinder is monitored in real time through the pressure detection element and compared with the preset pressure, the pressure of the hydraulic cylinder is adjusted through the controller, and then the telescopic length of the telescopic supporting leg is adjusted. The pressure range of the hydraulic cylinder can be automatically adjusted according to the bearing capacity of the telescopic supporting leg so as to adapt to the supporting force of the telescopic supporting leg, and the stretching amount of the telescopic supporting leg can be automatically adjusted through automatic adjustment of the pressure of the hydraulic cylinder so as to meet the horizontal and stable performance of a vehicle in a dynamic operation state.

Description

Technical Field

[0001] This utility model relates to the field of vehicle support technology, and in particular to an adaptive stepless automatic control support system and operating equipment. Background Technology

[0002] The vehicle-mounted hydraulic cylinder support mechanism uses the vehicle's power source to fix the support cylinder in a suitable position on the vehicle's main beam via a mounting bracket. When in use, the support cylinder extends downwards to touch the ground, lifting the vehicle body so that most of the vehicle's weight is supported by the support cylinder, thereby maintaining the vehicle's operational stability and balance, and reducing the load on the vehicle's leaf springs.

[0003] In existing technologies, the pressure value of the support mechanism needs to be manually adjusted during testing, and the pressure value is fixed. Regardless of changes in the actual load, the system can only be locked within the preset maximum pressure range. This fixed pressure mode causes the system to operate under high pressure for a long time, resulting in pressure loss being converted into heat, causing the oil temperature to rise. Excessive oil temperature leads to hydraulic oil deterioration, decreased viscosity, and deterioration of lubrication performance, which in turn exacerbates system wear. At the same time, high temperature also significantly shortens the life of seals, creating a vicious cycle.

[0004] Although some existing work vehicles are equipped with a "one-click leveling" function, this function still requires manual operation and adjustment through manual intervention when imbalance is detected. The hydraulic cylinders cannot automatically adjust their extension and retraction based on the support position height during operation, lacking core technologies for real-time monitoring and feedback adjustment, and especially failing to achieve dynamic balance through a position closed-loop control system. Utility Model Content

[0005] This utility model provides an adaptive stepless automatic adjustment support system and working equipment to solve the defect in the prior art that the vehicle-mounted hydraulic cylinder support mechanism cannot adaptively adjust the pressure and height during operation.

[0006] This utility model provides an adaptive stepless automatic control support system, including a telescopic outrigger, a hydraulic adjustment mechanism, a pressure detection element, and a controller. The telescopic outrigger supports a vehicle. The hydraulic adjustment mechanism drives the telescopic outrigger to extend and retract. The hydraulic adjustment mechanism includes a hydraulic pump and a hydraulic cylinder, which are connected by a hydraulic pipeline. The hydraulic pump provides hydraulic power to the hydraulic cylinder, which is connected to and drives the telescopic outrigger. The pressure detection element is disposed on the hydraulic cylinder to monitor the pressure of the hydraulic cylinder. The controller is electrically connected to the pressure detection element and the hydraulic adjustment mechanism, and is adapted to receive pressure monitoring data from the pressure detection element to adjust the hydraulic adjustment mechanism.

[0007] According to the present invention, an adaptive stepless automatic control support system is provided, wherein the hydraulic cylinder includes a cylinder body and a piston rod located inside the cylinder body, the piston at the first end of the piston rod divides the cylinder body into a rod chamber and a rodless chamber, the pressure detection element is provided in the rodless chamber, the second end of the piston rod is connected to the telescopic outrigger, and the hydraulic pump is connected to the rod chamber and the rodless chamber respectively through an electromagnetic reversing valve.

[0008] According to the present invention, an adaptive stepless automatic control support system is provided, wherein the controller is set with a preset pressure value for the hydraulic cylinder, the pressure detection element is used to monitor the real-time pressure value of the hydraulic cylinder, and the controller controls the hydraulic adjustment mechanism to adjust the pressure value of the hydraulic cylinder.

[0009] According to the adaptive stepless automatic adjustment support system provided by this utility model, a pressure control valve is provided on the hydraulic pipeline between the hydraulic pump and the hydraulic cylinder, and the pressure control valve is electrically connected to the controller.

[0010] According to the adaptive stepless automatic control support system provided by this utility model, the pressure control valve is one of a proportional relief valve, a proportional pressure reducing valve, or a servo valve.

[0011] According to the present invention, an adaptive stepless automatic adjustment support system is provided, wherein a position sensor is provided on the telescopic outrigger for real-time monitoring of the telescopic length of the outrigger, the position sensor is electrically connected to the controller, and is adapted to adjust the telescopic length of the outrigger according to the monitoring data of the position sensor.

[0012] According to the present invention, an adaptive stepless automatic control support system is provided, wherein the hydraulic adjustment mechanism is equipped with a temperature sensor, the temperature sensor is used to monitor the temperature of the hydraulic oil in the hydraulic adjustment mechanism, the temperature sensor is electrically connected to the controller, and is adapted to trigger an alarm or reduce the load through the controller when the temperature of the hydraulic oil in the hydraulic adjustment mechanism is higher than a preset value.

[0013] According to the present invention, an adaptive stepless automatic control support system is provided, wherein the pressure detection element is a pressure sensor and the controller is a PLC controller or a microcontroller.

[0014] In another aspect, this utility model provides a working device, which is equipped with the adaptive stepless automatic adjustment support system described in any one of the above claims.

[0015] According to the present invention, an adaptive stepless automatic control support system includes a plurality of telescopic outriggers, which form symmetrical support for the work equipment. Each telescopic outrigger is equipped with a set of hydraulic adjustment mechanisms and a pressure detection element. The controller of the adaptive stepless automatic control support system is adapted to independently control the plurality of hydraulic adjustment mechanisms.

[0016] This invention provides an adaptive stepless automatic control support system that monitors the hydraulic cylinder pressure in real time through a pressure detection element, especially the pressure changes in the hydraulic cylinder caused by the outrigger touching the ground or encountering obstacles. By comparing the real-time pressure of the hydraulic cylinder with a preset pressure, the controller outputs a control signal based on a PID algorithm to adjust the hydraulic pump flow, thereby regulating the hydraulic cylinder pressure and ultimately adjusting the extension length of the outrigger. This adaptive stepless automatic control support system can automatically adjust the hydraulic cylinder pressure range according to the load-bearing capacity of the outrigger to adapt to its supporting force. The automatic adjustment of the hydraulic cylinder pressure achieves automatic adjustment of the outrigger extension, meeting the level and stability requirements of the vehicle's dynamic operation. Regardless of whether the working equipment is level or the load is stable, the system can automatically adjust the hydraulic cylinder pressure and the outrigger stroke to meet the vehicle's operational requirements. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram illustrating the working principle of the adaptive stepless automatic control support system provided by this utility model. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] In the description of the embodiments of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0022] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0023] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0024] The adaptive stepless automatic control support system and operating equipment of this utility model are described below with reference to the accompanying drawings.

[0025] One embodiment of this utility model provides an adaptive stepless automatic control support system, including a telescopic outrigger, a hydraulic adjustment mechanism, a pressure detection element, and a controller. The telescopic outrigger is used to support a vehicle; the hydraulic adjustment mechanism is used to drive the telescopic outrigger to extend and retract, and includes a hydraulic pump and a hydraulic cylinder connected by a hydraulic pipeline. The hydraulic pump provides hydraulic power to the hydraulic cylinder, and the hydraulic cylinder is connected to and drives the telescopic outrigger; the pressure detection element is disposed on the hydraulic cylinder to monitor the pressure of the hydraulic cylinder; the controller is electrically connected to the pressure detection element and the hydraulic adjustment mechanism, and can be a PLC controller or a microcontroller, suitable for receiving pressure monitoring data from the pressure detection element to control the hydraulic adjustment mechanism.

[0026] See Figure 1 As shown, this adaptive stepless automatic control support system monitors the hydraulic cylinder pressure in real time through a pressure detection element, especially the pressure changes in the hydraulic cylinder caused by the outrigger touching the ground or encountering obstacles. By comparing the real-time pressure of the hydraulic cylinder with a preset pressure, the controller outputs a control signal based on a PID algorithm to adjust the hydraulic pump flow, thereby regulating the hydraulic cylinder pressure and ultimately the extension length of the outrigger. This adaptive stepless automatic control support system can automatically adjust the hydraulic cylinder pressure range according to the load-bearing capacity of the outrigger to adapt to its supporting force. The automatic adjustment of the hydraulic cylinder pressure achieves automatic adjustment of the outrigger extension, meeting the level and stability requirements of the vehicle's dynamic operation. Regardless of whether the vehicle is level or the load is stable, the system can automatically adjust the hydraulic cylinder pressure and the outrigger stroke to meet the vehicle's operational requirements.

[0027] In some specific examples of the adaptive continuously variable automatic control support system of this utility model, the hydraulic cylinder includes a cylinder body and a piston rod located within the cylinder body. A piston at the first end of the piston rod divides the cylinder body into a rod-side chamber and a rodless chamber. A pressure detection element is installed in the rodless chamber. A telescopic outrigger is connected to the second end of the piston rod. A hydraulic pump is connected to both the rod-side chamber and the rodless chamber via electromagnetic directional valves. The controller has a preset pressure value for the hydraulic cylinder. The pressure detection element monitors the real-time pressure value of the hydraulic cylinder, and the controller controls the hydraulic adjustment mechanism to adjust the pressure value of the hydraulic cylinder.

[0028] Under normal conditions, a hydraulic pump supplies hydraulic oil to the rod or rodless chamber of the hydraulic cylinder, enabling the cylinder to drive the telescopic outriggers to extend and retract under a preset pressure. The outriggers then experience a rated load force upon contact with the ground. When vehicle imbalance causes a change in the load on the outriggers, the outriggers transmit the force through the piston rod to the piston, acting on the rodless chamber of the hydraulic cylinder. This causes a pressure change within the rodless chamber. A pressure detection element detects this pressure change and transmits the real-time pressure data to the controller. The controller compares the real-time pressure value with a preset pressure value, generates a control command, and changes the hydraulic oil pressure supplied by the hydraulic pump to the rodless chamber. This causes the piston rod to move, altering the extension and retraction of the outriggers until the load force on the outriggers returns to its rated value. This example maintains a constant load force on the outriggers by real-time control of the hydraulic cylinder pressure and the extension and retraction of the outriggers, thus achieving a level and stable dynamic operating state for the vehicle.

[0029] In some embodiments of the adaptive stepless automatic control support system of this utility model, a pressure control valve is installed on the hydraulic pipeline between the hydraulic pump and the hydraulic cylinder. The pressure control valve is electrically connected to the controller. The pressure control valve can be a proportional relief valve, a proportional pressure reducing valve, or a servo valve, etc. It can be understood that in this embodiment, the adjustment of the hydraulic cylinder pressure can be achieved by the controller controlling the pressure control valve. The proportional relief valve and the proportional pressure reducing valve can adjust the hydraulic cylinder pressure by continuously adjusting the opening degree through a pulse width modulation (PWM) signal. The servo valve uses a nozzle-baffle structure to achieve micron-level adjustment to regulate the hydraulic cylinder pressure. Specifically, the pressure detection element can be a pressure sensor or a force sensor. After the load force on the telescopic outrigger changes, the pressure of the hydraulic cylinder is directly measured by the pressure sensor, or the load force is measured by the force sensor. Then, the hydraulic cylinder pressure is calculated according to the relationship between force and pressure, P=F / A (P is the hydraulic cylinder pressure, F is the load force, and A is the hydraulic cylinder area). Based on the comparison between the calculated real-time pressure of the hydraulic cylinder and the preset pressure value, the pressure of the hydraulic cylinder is adjusted by adjusting the pressure control valve, thereby changing the extension and retraction of the telescopic outrigger. This ensures that both the hydraulic cylinder pressure and the load force are close to the preset pressure value. At this time, the vehicle will not become unbalanced due to changes in the load force, maintaining a level and stable state, thus achieving the effectiveness of the operation process.

[0030] Furthermore, in some embodiments of the adaptive continuously variable automatic control support system of this utility model, a position sensor is provided on the telescopic outrigger for real-time monitoring of the telescopic outrigger's extension length. The position sensor is electrically connected to the controller and is suitable for adjusting the extension length of the telescopic outrigger based on the monitoring data from the position sensor. It should be understood that the position sensor monitoring and adjustment in this embodiment is used to assist in adjusting the extension length of the telescopic outrigger, and its priority is lower than adjusting the extension length of the telescopic outrigger by adjusting the hydraulic cylinder pressure. The position sensor can be mainly used for adjusting the extension and ground contact of the telescopic outrigger in the initial state.

[0031] In some embodiments of the adaptive stepless automatic control support system of this utility model, the hydraulic adjustment mechanism is equipped with a temperature sensor. The temperature sensor is used to monitor the temperature of the hydraulic oil in the hydraulic adjustment mechanism. The temperature sensor is electrically connected to the controller, which is suitable for triggering an alarm or reducing the load when the temperature of the hydraulic oil in the hydraulic adjustment mechanism is higher than a preset value. Specifically, temperature sensors can be installed at the hydraulic pump outlet, inside the hydraulic cylinder, and in the return oil line to monitor the hydraulic oil temperature. When the detected oil temperature is >65°C, the controller triggers the cab audible and visual alarm (buzzer + flashing red LED) and displays the "Hydraulic oil temperature too high" warning code on the cab HMI interface. When the detected oil temperature is >75°C, the controller adjusts the hydraulic cylinder pressure to reduce the load to 50% of the rated value and starts the hydraulic oil cooling fan to prevent problems such as oil deterioration, viscosity reduction, and poor lubricity caused by excessive oil temperature.

[0032] In another aspect, this utility model provides a working device equipped with the adaptive stepless automatic adjustment support system described in any of the above embodiments or examples. In some specific embodiments, the working device is a working vehicle, and the adaptive stepless automatic adjustment support system of this utility model is installed on the working vehicle. It should be understood that the adaptive stepless automatic adjustment support system of this utility model can be used not only on vehicles but also on other equipment requiring support. The adaptive stepless automatic adjustment support system includes multiple telescopic outriggers that form symmetrical support for the working device. Each telescopic outrigger is equipped with a set of hydraulic adjustment mechanisms and pressure detection elements. The controller of the adaptive stepless automatic adjustment support system is suitable for independently controlling the multiple sets of hydraulic adjustment mechanisms.

[0033] It is understandable that, since the working equipment provided in this embodiment is equipped with the aforementioned adaptive stepless automatic adjustment support system provided by this utility model, it inevitably possesses all the advantages of such a system. The working equipment in this embodiment can automatically adjust its pressure range according to the load-bearing capacity of the telescopic outriggers to adapt to their supporting force. When multiple telescopic outriggers are used, this embodiment can automatically adjust the extension length of a specific telescopic outrigger according to the support position height, ensuring the entire system achieves a horizontally stable state. The working equipment in this embodiment can automatically adjust the hydraulic cylinder pressure and the extension amount of the telescopic outriggers to meet the horizontal and stability requirements of the vehicle's dynamic operating state.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An adaptive stepless automatic control support system, characterized in that, include: Telescopic outriggers are used to support vehicles. A hydraulic adjustment mechanism is used to drive the telescopic outrigger to extend and retract. The hydraulic adjustment mechanism includes a hydraulic pump and a hydraulic cylinder. The hydraulic pump and the hydraulic cylinder are connected by a hydraulic pipeline. The hydraulic pump is used to provide hydraulic power to the hydraulic cylinder. The hydraulic cylinder is connected to and drives the telescopic outrigger. A pressure detection element is disposed in the hydraulic cylinder for monitoring the pressure of the hydraulic cylinder; The controller is electrically connected to the pressure sensing element and the hydraulic regulating mechanism, and is adapted to receive pressure monitoring data from the pressure sensing element to regulate the hydraulic regulating mechanism.

2. The adaptive stepless automatic control support system according to claim 1, characterized in that, The hydraulic cylinder includes a cylinder body and a piston rod located inside the cylinder body. The piston at the first end of the piston rod divides the cylinder body into a rod chamber and a rodless chamber. The pressure detection element is provided in the rodless chamber. The second end of the piston rod is connected to the telescopic outrigger. The hydraulic pump is connected to the rod chamber and the rodless chamber respectively through an electromagnetic reversing valve.

3. The adaptive stepless automatic control support system according to claim 2, characterized in that, The controller is set with a preset pressure value for the hydraulic cylinder. The pressure detection element is used to monitor the real-time pressure value of the hydraulic cylinder and the controller controls the hydraulic adjustment mechanism to adjust the pressure value of the hydraulic cylinder.

4. The adaptive stepless automatic control support system according to claim 1, characterized in that, A pressure control valve is installed on the hydraulic pipeline between the hydraulic pump and the hydraulic cylinder, and the pressure control valve is electrically connected to the controller.

5. The adaptive stepless automatic control support system according to claim 4, characterized in that, The pressure control valve is one of a proportional relief valve, a proportional pressure reducing valve, or a servo valve.

6. The adaptive stepless automatic control support system according to claim 1, characterized in that, The telescopic outrigger is equipped with a position sensor for real-time monitoring of the telescopic length of the outrigger. The position sensor is electrically connected to the controller and is adapted to adjust the telescopic length of the outrigger based on the monitoring data of the position sensor.

7. The adaptive stepless automatic control support system according to claim 1, characterized in that, The hydraulic regulating mechanism is equipped with a temperature sensor, which is used to monitor the temperature of the hydraulic oil in the hydraulic regulating mechanism. The temperature sensor is electrically connected to the controller and is adapted to trigger an alarm or reduce the load when the temperature of the hydraulic oil in the hydraulic regulating mechanism is higher than a preset value.

8. The adaptive stepless automatic control support system according to any one of claims 1 to 7, characterized in that, The pressure detection element is a pressure sensor, and the controller is a PLC controller or a microcontroller.

9. A working device, characterized in that, The operating equipment is equipped with an adaptive stepless automatic control support system as described in any one of claims 1 to 8.

10. The operating equipment according to claim 9, characterized in that, The adaptive stepless automatic control support system includes multiple telescopic outriggers, which form symmetrical support for the working equipment. Each telescopic outrigger is equipped with a set of hydraulic adjustment mechanisms and a pressure detection element. The controller of the adaptive stepless automatic control support system is adapted to independently control the multiple sets of hydraulic adjustment mechanisms.

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