Control equipment of multi-cylinder hydraulic cone crusher

Abstract

The utility model discloses a control device of a multi-cylinder hydraulic cone crusher, which relates to the technical field of mining machinery, aims to reduce the problems of manual intervention and misoperation in the control of the multi-cylinder hydraulic cone crusher, and comprises a control device with two detection units, the control device is provided with a programmable logic controller and a human-computer interface, the detection unit is connected with a crusher main body, the programmable logic controller communicates with a human-computer interface, the detection unit is composed of a plurality of sensors and a remote IO module, and the plurality of sensors are connected with the programmable logic controller through the remote IO module. According to the control equipment of the multi-cylinder hydraulic cone crusher, the running state of the crusher can be monitored in real time, running parameters can be automatically adjusted according to needs, manual intervention can be reduced, misoperation can be avoided, and the crushing efficiency and safety of the crusher can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of mining machinery technology, specifically relating to a control device for a multi-cylinder hydraulic cone crusher. Background Technology

[0002] In the field of mining machinery, multi-cylinder hydraulic cone crushers are important crushing equipment, widely used in the crushing of ores and minerals. Traditional control systems mainly rely on manual operation and simple electrical control, which leads to problems such as complex operation, high failure rate, and high maintenance costs.

[0003] For example, Chinese patent CN204159435U discloses an intelligent control system for a hydraulic cone crusher, including a crusher main unit, a feeding device, a lubrication system, a hydraulic system, and a CIS automated control system connected to the crusher main unit, feeding device, lubrication system, and hydraulic system. The CIS automated control system includes a power supply unit, a human-machine interface, a control unit, a power measurement unit, an oil tank measurement unit, a hydraulic transmission unit connected to the hydraulic system, and a manual control switch, all interconnected via a CIS bus or Ethernet bus. The power supply unit supplies power to the human-machine interface and the power measurement unit. The oil tank measurement unit is connected to a position sensor, a pressure sensor, and a temperature sensor, which can automatically adjust the crusher and protect it from overload, reducing the labor intensity of manual operation and improving work efficiency. However, Chinese patent CN204159435U is difficult to achieve precise control of a multi-cylinder hydraulic cone crusher. Utility Model Content

[0004] To reduce human intervention and operational errors in the control of multi-cylinder hydraulic cone crushers, this invention proposes a control device for multi-cylinder hydraulic cone crushers. This device can monitor the crusher's operating status in real time and automatically adjust operating parameters as needed, thereby reducing human intervention, avoiding operational errors, and improving the crushing efficiency and safety of the crusher.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a control device for a multi-cylinder hydraulic cone crusher, comprising a control device with two detection units, wherein the control device is equipped with a programmable logic controller and a human-machine interface, the detection units are connected to the crusher body, the programmable logic controller communicates with the human-machine interface, the detection units consist of several sensors and a remote I / O module, and the several sensors are connected to the programmable logic controller through the remote I / O module.

[0006] In this technical solution, multiple operating data of the multi-cylinder hydraulic cone crusher are collected and monitored through the cooperation of sensors and remote IO modules. Then, the multi-cylinder hydraulic cone crusher is precisely controlled by a programmable logic controller. It is also equipped with a human-machine interface to realize necessary manual operation control and parameter setting, thereby improving the convenience of use.

[0007] Preferably, the main body of the crusher includes an upper frame and a lower frame. A fixed cone is fixed on the lower frame, and a movable cone is provided on the outer side of the fixed cone. The movable cone and the fixed cone form a crushing chamber. A gear ring is fixed at the bottom of the movable cone, and the gear ring meshes with the pinion.

[0008] Preferably, a hydraulic cylinder is provided between the upper frame and the lower frame, and the hydraulic cylinder integrates a locking cylinder and a releasing cylinder. The locking cylinder is provided with a first pressure sensor, and the releasing cylinder is provided with a second pressure sensor. The crusher body includes a horizontal shaft with a pinion gear, and a first speed sensor is provided on the horizontal shaft.

[0009] Preferably, the gear ring is provided with a first sensor for measuring the rotational tooth position of the gear ring, both the fixed cone and the moving cone are fixed with a liner, the liner is provided with a second sensor for measuring the wear distance, the upper part of the crusher body is provided with a feed inlet, the feed inlet is provided with a feed cylinder, and the feed cylinder is provided with a third sensor for measuring the material level.

[0010] Preferably, the device includes a transmission device with a main motor, the main motor being connected to a transmission shaft, the transmission shaft being connected to an eccentric sleeve via a gear pair, the eccentric sleeve containing a main shaft, the moving cone being connected to the eccentric sleeve via the main shaft, the main motor windings being provided with three temperature sensors, and the rotor shaft of the main motor being provided with bearings at both ends, the bearings being provided with two temperature sensors.

[0011] Preferably, the device includes a hydraulic pump connected to a control valve, the control valve connected to a hydraulic motor and a hydraulic cylinder, the hydraulic pump connected to a hydraulic oil tank via an oil pipe, and a first temperature sensor located at the hydraulic oil tank.

[0012] Preferably, the device includes a lubrication and cooling system with a lubricating oil tank, wherein the oil outlet of the lubricating oil tank is equipped with a second temperature sensor, the return outlet of the lubricating oil tank is equipped with a third temperature sensor, and the lubricating oil tank is connected to a lubrication pipeline.

[0013] Preferably, the lubrication pipeline is equipped with a first flow sensor and a filter with a filter element, a third pressure sensor is provided before the filter element, a fourth pressure sensor is provided after the filter element, a dustproof fan is installed on the lubrication pipeline, and a second flow sensor is provided at the outlet of the dustproof fan.

[0014] Preferably, a return oil pipeline is provided between the lubricating oil tank and the crusher body, and a cooling fan is installed on the return oil pipeline. A fourth temperature sensor is provided at the oil inlet of the cooling fan, and a fifth temperature sensor is provided at the oil outlet of the cooling fan.

[0015] Preferably, the human-machine interface is a display screen, which has four USB ports and two Ethernet ports. The USB ports are connected to peripherals, and the Ethernet ports are connected to a programmable logic controller or a network. The display screen also has a wireless network card.

[0016] The beneficial effects of this utility model are: it can monitor the crusher's operating data in real time, ensuring that the equipment always operates in the best condition and avoiding equipment damage or production interruption caused by abnormal parameters; it can record the crusher's operating data and alarm information, facilitating historical data analysis and optimization of operating parameters; it can provide multiple operating modes for selection according to on-site working conditions and operating status, such as AUTOCSS mode and MAXLOAD mode, automatically adjusting operating parameters to improve equipment production efficiency; it can promptly detect and alarm potential faults, reminding operators to inspect and maintain, ensuring the safety of equipment and operators; adopting a modular design concept, remote I / O stations and sensors can be flexibly selected according to different models and application scenarios, improving control efficiency and accuracy while saving costs and space. Attached Figure Description

[0017] Figure 1 This is a structural block diagram of the control device for a multi-cylinder hydraulic cone crusher according to the present invention.

[0018] Figure 2 This is a schematic diagram of the control device for a multi-cylinder hydraulic cone crusher according to the present invention.

[0019] Figure 3 This is a structural block diagram of the control device of a multi-cylinder hydraulic cone crusher according to the present invention.

[0020] Figure descriptions: 1. First side of the crusher body; 2. Second side of the crusher body; 3. Hydraulic oil tank; 4. Cooling fan; 5. Dustproof fan; 6. Air filter; 7. Locking oil bladder; 8. First release cylinder oil circuit; 9. Second release cylinder oil circuit; 10. Upper hydraulic motor oil circuit; 11. Lower hydraulic motor oil circuit; 12. Lubricating oil return pipe; 13. Lubricating oil overflow pipe; 14. Lubricating oil inlet pipe; 15. Cooling fan oil circuit; 16. Two-part pipe; 17. Three-part pipe. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only one preferred embodiment of this utility model and are only used to explain this utility model. They do not limit the scope of protection of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Example 1

[0023] This embodiment provides a control device for a multi-cylinder hydraulic cone crusher, see reference. Figure 1 It includes the crusher body, transmission device, hydraulic device, lubrication and cooling device and control device. It can monitor the crusher's operating status in real time and automatically adjust the operating parameters as needed. It can reduce manual intervention, avoid operational errors, and improve the crushing efficiency and safety of the crusher.

[0024] The structure and oil pipe connection of the control equipment for a multi-cylinder hydraulic cone crusher in this embodiment are as follows: Figure 2 As shown, the main body of the crusher includes an upper frame and a lower frame. A fixed cone is fixed on the lower frame, and a movable cone is provided on the outer side of the fixed cone. The movable cone and the fixed cone form a crushing chamber. A gear ring is fixed at the bottom of the movable cone, and the gear ring meshes with a pinion.

[0025] A hydraulic cylinder is installed between the upper frame and the lower frame. The hydraulic cylinder integrates a locking cylinder and a releasing cylinder. The locking cylinder is equipped with a first pressure sensor, and the releasing cylinder is equipped with a second pressure sensor.

[0026] The main body of the crusher includes a horizontal shaft with a small gear, and a first speed sensor is installed on the horizontal shaft.

[0027] The transmission device includes a main motor, a drive shaft, and an eccentric sleeve. The main motor is connected to the drive shaft, which is connected to the eccentric sleeve via a gear pair. The eccentric sleeve contains a main shaft, and the moving cone is connected to the eccentric sleeve via the main shaft.

[0028] The main motor windings are equipped with three temperature sensors, and the rotor shaft of the main motor is equipped with bearings at both ends, with two temperature sensors mounted on the bearings.

[0029] The hydraulic system includes a hydraulic pump, control valves, hydraulic motors, and hydraulic cylinders.

[0030] The hydraulic pump is connected to a control valve, which in turn is connected to a hydraulic motor and a hydraulic cylinder. The hydraulic pump is connected to a hydraulic oil tank via oil pipes. A first temperature sensor is installed at the hydraulic oil tank.

[0031] The lubrication and cooling system includes a lubricating oil tank, a lubrication pump, a radiator, and a filter. A second temperature sensor is installed at the oil outlet of the lubricating oil tank, and a third temperature sensor is installed at the return outlet. The lubricating oil tank is connected to lubrication pipelines.

[0032] The lubrication pipeline is equipped with a first flow sensor and a filter with a filter element. A third pressure sensor is located before the filter element, and a fourth pressure sensor is located after the filter element.

[0033] A dustproof fan is installed on the lubrication pipeline, and a second flow sensor is installed at the outlet of the dustproof fan.

[0034] A return oil pipeline is provided between the lubricating oil tank and the main body of the crusher. A cooling fan is installed on the return oil pipeline. A fourth temperature sensor is installed at the oil inlet of the cooling fan, and a fifth temperature sensor is installed at the oil outlet of the cooling fan.

[0035] Among them, the control device is the control center of the entire system, such as Figure 3 As shown, it includes a programmable logic controller, a human-machine interface, and two detection units.

[0036] In this embodiment, the programmable logic controller adopts the Siemens S7-1200 series, which has high-speed operation, strong reliability and rich communication functions.

[0037] The human-machine interface features a 15.6-inch industrial-grade waterproof and dustproof screen, equipped with 4 USB ports and 2 Ethernet ports, and supports wireless network connectivity.

[0038] The two detection units are the first detection unit and the second detection unit, both of which consist of sensors and remote I / O modules. The detection units are connected to the PLC controller through the remote I / O modules.

[0039] The sensors in the first detection unit include a gas station-side sensor, a crusher-side sensor, and a drive motor temperature sensor.

[0040] Specifically, in this embodiment, the sensors on the oil station side include a sensor C3S for measuring the temperature of the lubricating oil tank, a sensor C3S-2 for measuring the temperature of the lubricating oil returning to the oil tank, a sensor ATT1 for measuring the temperature of the hydraulic oil tank, a sensor APT1 for measuring the hydraulic pressure of the locking cylinder, a sensor APT2 for measuring the hydraulic pressure of the release cylinder, a sensor APT3 for measuring the pressure before the filter element in the lubrication pipeline, a sensor APT4 for measuring the pressure after the filter element in the lubrication pipeline, a sensor ATT4 for measuring the inlet oil temperature of the cooling fan, a sensor ATT5 for measuring the outlet oil temperature of the cooling fan, a sensor FIT1 for measuring the lubrication oil supply flow rate, and a sensor FIT2 for measuring the flow rate of the dustproof fan.

[0041] The crusher-side sensors include sensor SV1 for measuring the horizontal shaft rotation speed, sensor LS2 for measuring the tooth position of the gear ring rotation, sensor AHT1 for measuring the liner wear distance, sensor AMT1 for measuring the material level in the feed cylinder, and sensor APT5 for measuring the lubrication pressure on the main machine side.

[0042] The drive motor temperature sensors include sensors MT1, MT2, and MT3 for measuring the temperature of the three-phase windings, and sensors MT4 and MT5 for measuring the temperature of the main motor bearings.

[0043] The second detection unit includes vibration sensors VT1, VT2, VT3, and VT4 for measuring the ring jump of the adjustment ring, sensor TT7 for measuring the oil temperature of the sleeve bushing, and sensor TT8 for measuring the oil temperature of the eccentric bushing.

[0044] The working principle and function of the control device are explained in detail below.

[0045] The most basic function of the control device is data acquisition and monitoring. Through two detection units, the control device can collect various operating data of the multi-cylinder hydraulic cone crusher in real time, such as pressure, temperature, vibration, etc., and transmit them to the PLC controller via Ethernet.

[0046] Secondly, the control device can perform data processing and analysis. After receiving data, the PLC controller can analyze and process the data according to the preset intelligent control algorithm to determine the operating status and performance of the equipment. By comparing with the set thresholds, the PLC controller can promptly detect abnormalities and make corresponding adjustments.

[0047] The control device is equipped with a multi-level alarm mechanism. When an abnormality is detected, relevant alarm information can be displayed on the human-machine interface to alert the operator. Simultaneously, the control device has an automatic protection function, which can automatically shut down the machine in the event of a serious malfunction to prevent equipment damage.

[0048] The control device can be remotely monitored and maintained via Ethernet connection. Technicians can access a human-machine interface on a remote computer to view the equipment's operating status and perform fault diagnosis, improving maintenance efficiency and response speed.

[0049] The human-machine interface (HMI) is developed based on the Windows operating system. Users can connect to the PLC controller via Ethernet, open the HMI on a remote computer, view operating data, and perform fault diagnosis, thereby improving control efficiency and intelligence.

[0050] The touchscreen human-machine interface provides an intuitive operating platform, allowing users to monitor the equipment's operating status in real time, view historical data and alarm information, and perform necessary manual operations and parameter settings.

[0051] Example 2

[0052] This embodiment provides a control device for a multi-cylinder hydraulic cone crusher, which has a human-machine interface that can view operating data and perform fault diagnosis. The specific implementation of the human-machine interface is described in detail below.

[0053] The HMI is a 15.6-inch industrial-grade waterproof and dustproof touchscreen with four USB ports for connecting peripherals such as mice and keyboards, and two Ethernet ports for connecting to a PLC or the Internet. The HMI also features a wireless network card, allowing connection to WiFi or a wireless hotspot when a wired network is unavailable.

[0054] In this embodiment, the human-machine interface has five interfaces: system overview interface, real-time status interface, historical record interface, alarm information interface, and parameter setting interface.

[0055] The system overview interface displays key data about the crusher's operation in real time, including the power of the main drive motor, the size of the discharge port, the pressure of the locking cylinder, and the pressure of the release cylinder. Users can also access the lubrication system, hydraulic system, calibration, and program settings interfaces through the sub-menu on the right, and start and stop the crusher via the start panel.

[0056] Real-time status interface: The upper left corner displays the current system running time and crushing power consumption, while the rest of the interface displays real-time data from all installed sensors, presented intuitively in the form of bar charts or pie charts.

[0057] Historical data interface: Supports viewing historical curve data, including start / stop signals and analog signals. Users can click the left and right arrows at the top or manually select the date and time to accurately view the crusher's past operating data for fault analysis and timely adjustment of production parameters, enabling the crusher to reach its optimal working state.

[0058] Alarm Information Interface: Displays real-time alarm information detected by the system. Some alarms require manual resetting by clicking the alarm reset button on the page. Additionally, users can set the date and time for their query to view historical alarms from the crusher, thus understanding any abnormal situations during the crusher's production process.

[0059] The parameter setting interface includes diagnostic functions and parameter settings.

[0060] The diagnostic function checks whether the sensor signals are normal and can also display the status of the equipment's start-up conditions. If the crusher cannot be started, this function can be used to check which condition is not met, thereby accurately locating the problem.

[0061] Parameter settings include setting the system's basic parameters, equipment parameters, core parameters, and range parameters.

[0062] It should be noted that the basic parameters that can be set include, but are not limited to, the equipment model and system language; the equipment parameters that can be set include, but are not limited to, the equipment power and maximum pressure; the core parameters that can be set include, but are not limited to, the start and stop temperature of the cooling fan, the pressure alarm of the locking cylinder during the operation of the crusher, and the shutdown threshold; and the range parameters that can be set include, but are not limited to, the range of the pressure sensor.

[0063] In this embodiment, the first detection unit consists of a Siemens ET200sp remote I / O module and multiple sensors, which read real-time data from the oil station and crusher sensors and provide it to the PLC controller for calculation and analysis.

[0064] The sensors in the first detection unit include a gas station-side sensor installed at the gas station, a crusher-side sensor installed at the crusher, and a crusher drive motor temperature sensor that measures the temperature on the crusher drive motor side.

[0065] Specifically, gas station-side sensors can be divided into three categories: temperature sensors, pressure sensors, and flow sensors.

[0066] The temperature sensors include a first temperature sensor for measuring the temperature of the hydraulic oil tank, a second temperature sensor for measuring the temperature of the lubricating oil tank, a third temperature sensor for measuring the temperature of the lubricating oil returning to the tank, a fourth temperature sensor for measuring the inlet oil temperature of the cooling fan, and a fifth temperature sensor for measuring the outlet oil temperature of the cooling fan.

[0067] The pressure sensors include a first pressure sensor that measures the hydraulic pressure of the locking cylinder, a second pressure sensor that measures the hydraulic pressure of the release cylinder, a third pressure sensor that measures the pressure before the filter element in the lubrication line, and a fourth pressure sensor that measures the pressure after the filter element in the lubrication line.

[0068] The flow sensor includes a first flow sensor that measures the flow rate of the lubricating oil supply and a second flow sensor that measures the flow rate of the dustproof fan.

[0069] The crusher-side sensors include a first speed sensor that measures the rotational speed of the horizontal shaft, a first sensor that measures the tooth position of the gear ring, a second sensor that measures the wear distance of the liner, a third sensor that measures the material level in the feed cylinder, and a fifth pressure sensor that measures the lubrication pressure on the main machine side.

[0070] The temperature sensor for the crusher drive motor includes three temperature sensors MT1, MT2, and MT3 for measuring the temperature of the three-phase windings, and two temperature sensors MT4 and MT5 for measuring the temperature of the main motor bearings.

[0071] The second detection unit also consists of a Siemens ET200sp remote I / O module and multiple sensors, which detect some auxiliary signals on the crusher side.

[0072] The sensors in the second detection unit include vibration sensors VT1, VT2, VT3, and VT4 for measuring the ring jump of the adjustment ring, temperature sensor TT7 for measuring the oil temperature of the sleeve bushing, and temperature sensor TT8 for measuring the oil temperature of the eccentric bushing.

[0073] The control device for a multi-cylinder hydraulic cone crusher of the present invention can monitor the crusher's operating data in real time, including parameters such as crusher vibration, temperature, pressure and power.

[0074] Real-time monitoring of this data ensures that the equipment is always operating at its best, preventing equipment damage or production interruptions caused by abnormal parameters.

[0075] The control device for a multi-cylinder hydraulic cone crusher of the present invention provides multiple operating modes for selection based on on-site working conditions and operating status.

[0076] For example, when the AUTOCSS mode is selected, the ideal discharge port and power limit are set, and the equipment automatically adjusts the discharge port size according to the real-time monitored operating power to keep the crusher in the best working condition.

[0077] When MAXLOAD mode is selected, the set power range is entered, and the equipment automatically adjusts the discharge port size according to the real-time monitored operating power, so that the crusher's power runs stably within the set range, thereby improving the equipment's production efficiency.

[0078] The control device for a multi-cylinder hydraulic cone crusher of the present invention can also detect and alarm potential faults in a timely manner, such as sensor abnormalities and equipment overload.

[0079] When a malfunction occurs, the equipment will immediately issue a warning to remind operators to conduct inspections and maintenance, thereby avoiding equipment damage and production accidents, and ensuring the safety of the equipment and operators.

[0080] The control device for a multi-cylinder hydraulic cone crusher of the present invention can record and store the crusher's operating data and alarm information for a long period of time. Operators can analyze historical data to optimize the crusher's operating parameters and improve the equipment's operating efficiency and stability.

[0081] The control device for a multi-cylinder hydraulic cone crusher of the present invention adopts a modular design concept. Remote I / O stations and sensors can be flexibly selected for installation according to different machine models and application scenarios. This can not only improve control efficiency and accuracy, but also save costs and space.

[0082] The human-machine interface of the control device for a multi-cylinder hydraulic cone crusher of the present invention is developed based on Windows operating equipment. Users can connect to the PLC controller via Ethernet, open the human-machine interface on a remote computer, view operating data and perform fault diagnosis, thereby improving control efficiency and intelligence level.

[0083] The electrical schematic diagram is integrated into the human-machine interface, which allows operators to easily view and use it, improving the convenience of maintenance and operation.

[0084] Through the above functions, the control device for a multi-cylinder hydraulic cone crusher of the present invention can not only improve production efficiency, but also reduce operating costs and safety risks.

Claims

1. A control device for a multi-cylinder hydraulic cone crusher, characterized in that, The device includes a control unit with two detection units. The control unit is equipped with a programmable logic controller and a human-machine interface. The detection units are connected to the main body of the crusher. The programmable logic controller communicates with the human-machine interface. The detection units consist of several sensors and a remote I / O module. The sensors are connected to the programmable logic controller through the remote I / O module.

2. The control device for a multi-cylinder hydraulic cone crusher according to claim 1, characterized in that, The main body of the crusher includes an upper frame and a lower frame. A fixed cone is fixed on the lower frame, and a movable cone is provided on the outside of the fixed cone. The movable cone and the fixed cone form a crushing chamber, and a toothed ring is fixed at the bottom of the movable cone.

3. The control device for a multi-cylinder hydraulic cone crusher according to claim 2, characterized in that, A hydraulic cylinder is provided between the upper frame and the lower frame. The hydraulic cylinder integrates a locking cylinder and a releasing cylinder. A first pressure sensor is provided in the locking cylinder, and a second pressure sensor is provided in the releasing cylinder. The crusher body includes a horizontal shaft with a pinion gear. A first speed sensor is provided on the horizontal shaft, and the gear ring meshes with the pinion gear.

4. The control device for a multi-cylinder hydraulic cone crusher according to claim 2, characterized in that, The gear ring is equipped with a first sensor for measuring the rotational tooth position of the gear ring. Both the fixed cone and the moving cone are fixed with liners. The liners are equipped with a second sensor for measuring the wear distance. The upper part of the crusher body is equipped with a feed inlet. The feed inlet is equipped with a feed cylinder. The feed cylinder is equipped with a third sensor for measuring the material level.

5. The control device for a multi-cylinder hydraulic cone crusher according to claim 2, characterized in that, The device includes a transmission device with a main motor, the main motor being connected to a drive shaft, the drive shaft being connected to an eccentric sleeve via a gear pair, the eccentric sleeve containing a main shaft, the moving cone being connected to the eccentric sleeve via the main shaft, the main motor windings being equipped with three temperature sensors, and the main motor rotor shaft having bearings at both ends, with two temperature sensors mounted on the bearings.

6. The control device for a multi-cylinder hydraulic cone crusher according to claim 1, characterized in that, The device includes a hydraulic pump connected to a control valve, which is connected to a hydraulic motor and a hydraulic cylinder. The hydraulic pump is connected to a hydraulic oil tank via an oil pipe, and a first temperature sensor is installed at the hydraulic oil tank.

7. The control device for a multi-cylinder hydraulic cone crusher according to claim 1, characterized in that, It includes a lubrication and cooling device with a lubricating oil tank, wherein the oil outlet of the lubricating oil tank is equipped with a second temperature sensor, the return port of the lubricating oil tank is equipped with a third temperature sensor, and the lubricating oil tank is connected to a lubrication pipeline.

8. The control device for a multi-cylinder hydraulic cone crusher according to claim 7, characterized in that, The lubrication pipeline is equipped with a first flow sensor and a filter with a filter element. A third pressure sensor is located before the filter element, and a fourth pressure sensor is located after the filter element. A dustproof fan is installed on the lubrication pipeline, and a second flow sensor is located at the outlet of the dustproof fan.

9. The control device for a multi-cylinder hydraulic cone crusher according to claim 7, characterized in that, A return oil pipeline is provided between the lubricating oil tank and the crusher body. A cooling fan is installed on the return oil pipeline. A fourth temperature sensor is provided at the oil inlet of the cooling fan, and a fifth temperature sensor is provided at the oil outlet of the cooling fan.

10. A control device for a multi-cylinder hydraulic cone crusher according to any one of claims 1-9, characterized in that, The human-machine interface is a display screen, which has four USB ports and two Ethernet ports. The USB ports are connected to peripherals, and the Ethernet ports are connected to a programmable logic controller or a network. The display screen also has a wireless network card.

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