The hoist in coal mining equipment is usually used to transport coal or other materials from underground to the ground. The hydraulic pump used in the hoist needs to have the characteristics of high pressure, high flow and high efficiency. The following are some considerations about hydraulic pumps for coal mining equipment hoists: 1. Select the appropriate pump: When selecting the pump, the parameters of the pump should be determined according to the needs of the hoist, including parameters such as maximum output flow and pressure. In addition, it is necessary to select the appropriate pump type according to the working environment of the hoist, liquid medium and other factors. 2. Pay attention to explosion-proof requirements: Coal mine equipment needs to comply with explosion-proof requirements, so when selecting a hydraulic pump, it is necessary to consider whether it meets the explosion-proof standards to avoid safety accidents. 3. Regularly check and replace the seals: Since coal dust, humidity and other factors will affect the seals of the hydraulic pump, it is necessary to check and replace the seals regularly to ensure the performance and life of the hydraulic pump. 4. Regularly replace the hydraulic oil: The liquid medium of the hydraulic pump is hydraulic oil. During use, the hydraulic oil is easily polluted and oxidized, which affects the performance and life of the hydraulic pump. Therefore, it is necessary to replace the hydraulic oil regularly, and pay attention to selecting the hydraulic oil that meets the regulations. 90R130-KA-5-CD-80-D-4-F1-L-03-GBA-42-42-24 90R130KA5CD80D4F1L03GBA424224 90-R-130-KA-5-CD-80-D-4-C8-L-05-GBA-35-35-24-F076 90R130KA5CD80D4C8L05GBA353524F076 90R130-KA-5-CD-80-D-4-C8-L-05-GBA-35-35-24-F076 90R130KA5CD80D4C8L05GBA353524F076 90-R-130-KA-5-CD-80-D-3-F1-L-03-GBA-35-35-24 90R130KA5CD80D3F1L03GBA353524 90R130-KA-5-CD-80-D-3-F1-L-03-GBA-35-35-24 90R130KA5CD80D3F1L03GBA353524 90-R-130-KA-5-CD-80-D-3-C8-L-03-GBA-40-40-22 90R130KA5CD80D3C8L03GBA404022 90-R-130-KA-5-BC-80-S-4-F1-H-06-GBA-29-29-24 90R130KA5BC80S4F1H06GBA292924 90R130-KA-5-BC-80-S-4-F1-H-06-GBA-29-29-24 90R130KA5BC80S4F1H06GBA292924 90-R-130-KA-5-BC-80-S-4-F1-H-05-GBA-42-42-24 90R130KA5BC80S4F1H05GBA424224 90R130-KA-5-BC-80-S-4-F1-H-05-GBA-42-42-24 90R130KA5BC80S4F1H05GBA424224 5. Carry out preventive maintenance: Preventive maintenance is one of the important links in the maintenance of hydraulic pumps, which can avoid sudden failures and extended downtime. Regular inspection and maintenance of hydraulic pumps, including replacement of filter elements, inspection of seals and connectors, adjustment of pump parameters, etc. 6. Pay attention to safe use: The use of coal mine equipment hydraulic pumps needs to abide by relevant safety rules and regulations, including operators must undergo pre-job training and regular training, and must wear protective equipment correctly. 7. Pay attention to the temperature of the hydraulic pump: the hydraulic pump will generate a certain amount of heat when it is working, so you need to pay attention to the temperature of the hydraulic pump. If the hydraulic pump is overheated, it will cause oxidation and evaporation of the oil, which will affect the performance and life of the hydraulic pump. Therefore, it is necessary to install a suitable radiator and control the operating time of the hydraulic pump. 8. Maintain the hydraulic system: The hydraulic pump is one of the core components in the hydraulic system, and it needs to be coordinated with other components to maximize its benefits. Therefore, other components in the hydraulic system, such as valves, transmission hoops, etc., need to be checked and maintained regularly. 9. Use high-quality components: The quality and performance of hydraulic pumps mainly depend on the quality of their components. Therefore, when replacing parts, original parts or certified high-quality parts should be used, and low-quality parts should be avoided to ensure the performance and life of the hydraulic pump. 10. Adjust the parameters of the hydraulic pump: The parameters of the hydraulic pump refer to parameters such as output flow, pressure, and speed. When adjusting the parameters of the hydraulic pump, it should be adjusted according to the specific situation to avoid problems such as overload and low efficiency. 11. Avoid overloading: When using a hydraulic pump, it is necessary to avoid exceeding its maximum output flow and pressure range. Otherwise, it will cause hydraulic pump overload and mechanical failure, which will affect the normal operation of coal mining equipment. For this reason, it is necessary to regularly check the parameters of the hydraulic pump and follow the operating procedures. 12. Dust control: A large amount of dust is likely to be generated in the coal mine production process, especially in the underground environment. Due to the complex sealing structure of the hydraulic pump, dust and impurities are easy to enter the hydraulic pump, affecting its performance and life. Therefore, there is a need for dust and contaminant control to prevent them from entering hydraulic pumps. 13. Pay attention to the viscosity of hydraulic oil: Viscosity is one of the important parameters of hydraulic oil, and the performance and life of hydraulic pumps are also related to the viscosity of hydraulic oil. Therefore, when selecting hydraulic oil, it is necessary to select a viscosity grade that meets the requirements, and follow the usage regulations, and avoid mixing hydraulic oils of different types and specifications. 14. Regularly clean the hydraulic pump: Since coal dust, water and other pollutants will accumulate on the outer surface of the hydraulic pump, the hydraulic pump will be further corroded. Therefore, regular cleaning and maintenance of the hydraulic pump is required to ensure its normal operation. 15. Prepare the backup hydraulic pump: The hydraulic pump is an important part of coal mining equipment. If the hydraulic pump fails, it may cause downtime and other losses. Therefore, it is recommended to prepare a spare hydraulic pump on site so that it can be replaced in time in an emergency. 90-R-130-KA-5-BC-80-S-4-F1-F-03-GBA-26-26-24 90R130KA5BC80S4F1F03GBA262624 90R130-KA-5-BC-80-S-4-F1-F-03-GBA-26-26-24 90R130KA5BC80S4F1F03GBA262624 90-R-130-KA-5-BC-80-S-4-C8-H-04-GBA-42-42-24 90R130KA5BC80S4C8H04GBA424224 90R130-KA-5-BC-80-S-4-C8-H-04-GBA-42-42-24 90R130KA5BC80S4C8H04GBA424224 90-R-130-KA-5-BC-80-S-4-C8-H-03-GBA-42-42-24 90R130KA5BC80S4C8H03GBA424224 90R130-KA-5-BC-80-S-4-C8-H-03-GBA-42-42-24 90R130KA5BC80S4C8H03GBA424224 90-R-130-KA-5-BC-80-S-4-C8-H-03-GBA-35-35-24 90R130KA5BC80S4C8H03GBA353524 90R130-KA-5-BC-80-S-4-C8-H-03-GBA-35-35-24 90R130KA5BC80S4C8H03GBA353524 90-R-130-KA-5-BC-80-S-4-C8-H-03-GBA-35-14-30 90R130KA5BC80S4C8H03GBA351430 90R130-KA-5-BC-80-S-4-C8-H-03-GBA-35-14-30 90R130KA5BC80S4C8H03GBA351430 16. Check the quality of the hydraulic oil: The normal operation of the hydraulic pump requires the use of high-quality hydraulic oil. Therefore, in the process of using the hydraulic pump, it is necessary to regularly check the quality of the hydraulic oil and replace the expired hydraulic oil to avoid damage to the hydraulic pump. 17. Regularly replace the hydraulic oil filter element: During the use of the hydraulic pump, impurities and particles in the hydraulic oil will enter the interior of the hydraulic pump, affecting its performance and life. Therefore, it is necessary to replace the hydraulic oil filter element regularly to ensure the cleanliness of the hydraulic oil and the normal operation of the hydraulic pump. 18. Install the hydraulic pump pressure gauge: The hydraulic pump pressure is one of the important parameters in the hydraulic system, and it needs to be controlled and adjusted carefully. In order to monitor the working state of the hydraulic pump conveniently, a hydraulic pump pressure gauge can be installed at the outlet of the hydraulic pump so that the output pressure of the hydraulic pump can be observed and adjusted at any time. 19. Prevent hydraulic leakage: Hydraulic pump leakage will not only waste hydraulic oil, but also cause damage to equipment and the environment. Therefore, it is necessary to strengthen the sealing work of the hydraulic pump, regularly check whether there is leakage in the pipelines and joints of the hydraulic system, and repair and replace them in time. 20. Make maintenance records: In the maintenance process of hydraulic pumps, detailed maintenance records should be made, including maintenance items, maintenance time, hydraulic oil replacement time and hydraulic pump operating parameters and other information. These records can help maintenance personnel better understand the historical operation of hydraulic pumps and make better maintenance plans. In short, for the maintenance of the hydraulic pump of the coal mine equipment hoist, it is necessary to fully consider all aspects of the hydraulic system, including the quality of hydraulic oil, replacement of hydraulic oil filter elements, and prevention of hydraulic leakage. In order to ensure the normal operation and production efficiency of coal mine equipment, the maintenance and maintenance of hydraulic pumps must be done well.