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High viscosity pump has good performance, to meet the needs of different industries, there may be some failures and defects in use, the group should pay attention to the daily maintenance of peacetime work in the maintenance of a lot of ways to pay attention to , In accordance with certain problems and principles of good control, to fully demonstrate the value of certain functions and life expectancy. The following describes the high viscosity pump in the maintenance of the Notes: High...
Baoji Petroleum Machinery Co., Ltd. recently successfully developed China's first high-power, high-pressure F-2200HL three-cylinder drilling mud pump with independent intellectual property rights, not only to fill gaps in this field in China, but also further enhance the design of enterprises , Research and development and manufacturing strength. The mud pump developed by the gem factory nearly three years of unremitting efforts to develop, to meet deep-water offshore and especially in the...
Construction machinery to replace the new hydraulic pump should pay attention to what issues? 1, always pay attention to the discovery of anomalies: abnormal sound, vibration or abnormal signal monitoring system, there must be its own reason, an abnormal phenomenon was found, immediately find the circuit diagram, according to every possible means, carefully observe whether the abnormal phenomenon caused by a temporary error . Assessment need not need parking treatment. All pressure, load,...
I. Introduction The existing hydraulic system of the crane is mostly valve control, that is, controlling the flow rate of the hydraulic system by controlling the opening size of the hydraulic multi-way valve so as to control the speed of the actuator. This structure of energy loss, the system heat. The system uses pump-controlled hydraulic system to ensure the coordination of the engine and hydraulic system, the effective use of the engine power, to avoid unnecessary energy consumption ,...
At 0:33 on April 18, a deep-space rescue race against time began at the construction site of Wangcheng Construction Company near Kunming Prison near Wang Bridge. It is understood that when workers at the construction site operated the hydraulic pump on the edge of the deep well, three working workers fell into the deep well due to excessive pressure on the hydraulic pump. Two of the less injured workers were rescued by other workers There is still one more serious worker trapped underground....
Branch source Hydraulic Co., Ltd. is a professional construction machinery parts manufacturing company, the company has strong technical force, advanced manufacturing technology, sophisticated testing methods and continuous improvement of quality management system. Hydraulic gear pump leading products have been issued by the State Economic Commission Outstanding New Product Award and the third prize of scientific and technological achievements in Jiangsu Province, and was twice rated as...
Hydraulic pump piston pump use and maintenance methods: In this paper, the direct-axis swash plate piston pump mainly introduces the use and maintenance of hydraulic pump piston method. 1 hydraulic pump oil supply form Straight shaft swash plate piston pump is divided into two types of self-suction oil pressure type. Most of the pressure supply type hydraulic pump with air pressure tank, there are hydraulic pump itself with a charge pump to the hydraulic pump inlet to provide pressure oil....
Recently, China's first nuclear power station main pump hydraulic component container developed by China Nuclear Power Research and Design Institute affiliated to CNNC passed the inspection and was delivered to the owners in Daya Bay Nuclear Power Operation Company. The main pump hydraulic components transport container is a radioactive cargo package A, for the main pump hydraulic components of the off-site transport and international transport. In the past, foreign shipping containers were...
We use the high-temperature pumps are from the motor, reducer, coupling and pump head composed of several parts. High-temperature pump is a positive displacement pump, work rely on the main and driven gears caused by the intermeshing changes in the volume of work to transport the melt. High temperature pump is widely used, however, in order to better play the performance of high temperature pump, the longer the life of high temperature pump, the user should pay attention to the following points...
As a specialized hydraulic parts factory engaged in the production of hydraulic pumps, valves and hydraulic systems of construction machinery in China, Shandong Huawei Hydraulic Manufacturing Co., Ltd. focused on R & D and lean production in the past two years and achieved remarkable results. In 2012, the company's annual inventory turnover days decreased from 120 days of the beginning of the year to 66 days in December. The inventory share of inventories decreased by 81% from the...
1. According to the actual use of conditions to determine the steam inlet and outlet pressure drop. Steam trap inlet pressure is due to fluctuations in steam pressure or temperature regulating valve throttling, steam trap inlet minimum working pressure; steam trap outlet pressure refers to the steam trap may form the highest back pressure When discharged into the atmosphere, the actual pressure difference is determined by the steam trap inlet pressure. 2. According to the amount of condensate...
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Gear pump is ideal for conveying high viscosity liquid equipment, its wide range of applications. At present, although domestic enterprises have produced many gear pumps suitable for conveying high-viscosity liquids, some problems still exist in material selection, leakage and noise prevention due to imperfect testing methods. Especially domestic high-viscosity gear pump in the efficiency, reliability and service life and other aspects of foreign products there is a big gap. Therefore, the...
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First, the phenomenon of hydraulic pump failure and analysis Hydraulic pump in the repair from the following three points to find the cause of the malfunction, and the system to improve: Hydraulic pump failure reasons 1, check the boom cylinder leakage situation. The easiest way is to raise the boom to see if there is a clear free fall. If the whereabouts of obvious removal of fuel tank inspection, seals have been worn should be replaced. Hydraulic pump failure reasons 2, check the control...
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Hydraulic pump is a hydraulic pressure to provide a hydraulic transmission of hydraulic components, is a pump. Its function is to convert the mechanical energy of power machines (such as electric motors and internal combustion engines) into liquid pressure energy. Output flow can be adjusted according to the needs of the variable pump, called the quantitative pump can not be adjusted. Hydraulic system commonly used pump gear pump, vane pump and plunger pump 3 kinds. Gear pump: smaller, simple...
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High temperature pump structure and working principle A complete high temperature pump including motor, reducer, coupling and pump head several parts, the pump head part of the pump housing, front and rear side cover, gear shaft, sliding bearings and shaft seal composition. High-temperature pump is a positive displacement pump, work rely on the main and driven gears caused by the intermeshing changes in the volume of work to transport the melt. Working volume by the pump body, gear tooth groove...
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A complete high temperature pump including motor, reducer, coupling and pump head several parts, the pump head part of the pump housing, front and rear side cover, gear shaft, sliding bearings and shaft seal composition. High-temperature pump is a positive displacement pump, work rely on the main and driven gears caused by the intermeshing changes in the volume of work to transport the melt. High temperature pump is widely used, mainly used in construction and drainage, petrochemical power,...
Abstract: This paper introduces a new type of hydraulic high-speed on-off valve that employs a giant magnetostrictive actuator and a cone-type spool structure. The valve has a high switching speed and frequency, can be used as a high-flow high-speed on-off valve pilot control valve, can also be used directly in the small flow circuit control valve. Keywords: Giant Magnetostrictive Actuator Hydraulic High-speed On-off Valve 1 Introduction In the construction machinery hydraulic system using PWM...
The high-temperature pump consists of a motor, a reducer, a coupling and a pump head. The pump head consists of a pump housing, front and rear side covers, a gear shaft, a sliding bearing and a shaft seal. The main transport easy to crystallize, flocculent particle size containing solid particles or fiber viscosity of 0.01 ~ 200Pa.S medium delivery. Particles up to 50mm (no more than eccentric rotor), fiber length up to 200mm (equivalent to 0.4 times the rotor pitch). Abrasion and corrosion,...
First, foreword Crane hydraulic system is mostly valve control, that is, by controlling the size of the hydraulic multi-way valve opening to control the hydraulic system flow, thereby controlling the size of the implementing agencies of the speed of movement. This structure of energy loss, the system heat. The system uses pump-controlled hydraulic system to ensure the coordination of the engine and hydraulic system, the effective use of the engine power, to avoid unnecessary energy consumption,...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.