What are the inspection steps before the electrohydraulic push rod starts?

(Summary description)What are the inspection steps before the electrohydraulic push rod starts?

The electro-hydraulic push rod should be placed on a firm foundation to withstand all components of the electro-hydraulic push rod, so as to eliminate vibration and tighten all foundation bolts;

2. Press the impeller at the end of the motor by hand, or the connecting pin will become loose or fall off.

3. Check the rotation direction of the motor. The forward rotation of the motor controls the elasticity of the piston rod. If there is no elasticity in the positive direction, it will act in the opposite direction. Otherwise, it will overflow for a long time, thus damaging the pump and motor.

4. During direct drive, the load center should be accurately aligned with the piston rod to prevent severe vibration and wear caused by uneven stress.

5. In the electro-hydraulic push rod installation, the high point of the vent must be faced to prevent oil leakage and lack of oil absorption.

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Time of issue:2020-09-18 13:45
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The electro-hydraulic push rod should be placed on a firm foundation to withstand all components of the electro-hydraulic push rod, so as to eliminate vibration and tighten all foundation bolts;

2. Press the impeller at the end of the motor by hand, or the connecting pin will become loose or fall off.

3. Check the rotation direction of the motor. The forward rotation of the motor controls the elasticity of the piston rod. If there is no elasticity in the positive direction, it will act in the opposite direction. Otherwise, it will overflow for a long time, thus damaging the pump and motor.

4. During direct drive, the load center should be accurately aligned with the piston rod to prevent severe vibration and wear caused by uneven stress.

5. In the electro-hydraulic push rod installation, the high point of the vent must be faced to prevent oil leakage and lack of oil absorption.

Previous: The market of mechanical and electrical equipment products is also increasingly mature, expanding the international market faster

Next: The characteristics and principle of electrohydraulic palatal valve are introduced

Previous: The market of mechanical and electrical equipment products is also increasingly mature, expanding the international market faster

Next: The characteristics and principle of electrohydraulic palatal valve are introduced

What are the gaps in the production technology of small electric putter manufacturers

450/5000 Most of the small electric push rod manufacturers in China are formed by the disintegration of large state-owned enterprises, the restructuring of small and medium-sized enterprises and the development of individual enterprises, so the overall level of development is low and there is no uniform standard, but the development prospect of the whole industry is good. The current situation of small electric push rod manufacturers is similar products, low technology content, resulting in weak market competitiveness. With the speeding up of economic, our opportunity came also, as an enterprise, we should be on the market for segmentation, positioning, choose suitable service object, it is important for electric push rod products further deepening, the pursuit of differentiation, so that each enterprise has a clear target market, and form their own features. The current situation of small electric push rod manufacturers is similar products, low technology content, resulting in weak market competitiveness. With the speeding up of economic integration, our opportunity came also, as an enterprise, we should be on the market for segmentation, positioning, choose suitable service object, it is important for electric push rod products further deepening, the pursuit of differentiation, so that each enterprise has a clear target market, and form their own features. Electric push lever technical level gap, first of all in the product structure, hydraulic, pneumatic, sealing and other components are mainly introduced technology or tracking imitation. Secondly, in terms of technological development, due to its own weak ability of scientific research transformation, imported products occupy the majority of the market.

09-15 

Electric hydraulic push rod preferred Mars electromechanical

In 1942, the United States took a laboratory of The Massachusetts Institute of Technology as the center, electric push rod to make a thorough investigation and research on the reliability of the main component of electronic equipment failure vacuum tube. In 1950, the United States established the Department of Defense Electronic Equipment Reliability Task Force of the United States Army, Army and Air Force. In 1952, the Task Force published a report with 17 recommendations on reliability and renamed the Task Force the Department of Defense Electronic Equipment Reliability Advisory Group (AGREE). In 1998, the Japanese Association for Science and Technology established the Reliability Research Committee. In 1962, the journal "Reliability Center" was established in France by the National Institute of Communications for electric putter. In 1965, the International Electrotechnical Commission (IEc) established the Reliability Technical Committee redundancy 56 and held the first academic symposium on electronic product reliability in Tokyo, which unified the national reliability terminology and formulated the standards. ] In 1998, the second symposium on electronic product reliability was held in Budapest. The reliability research in China began in the late 1950s, when the Fourth Ministry of Mechanical Industry established the Reliability Research Institute in Guangzhou. By the 1960s, the Ministry of The Seventh Machinery Industry had also established relevant research institutes. In 1975, the Institute of Applied Mathematics of the Chinese Academy of Sciences held a "Discussion Class on Reliable Mathematics". In 1979, the Institute of Reliability and Quality Management was established by the China Society of Electronics. In 1980, after the national Academic exchange on reliability, many institutions of higher learning offered courses on reliability theory and government use, and carried out research in this field, mainly focusing on the reliability research of electronic products and electronic equipment. National defense industry, aerospace engineering attaches great importance to reliability engineering research, in personnel training, computer gong reliability technology development and other aspects have achieved gratifying results. N5 2 years from the beginning, the Chinese space materials industry group co., LTD. Systematically conducted missile weapon system whole life period reliability guarantee project argumentation and planning work, the more comprehensive and accurate outline of aerospace science: [group work reliability of the overall structure and development train of thought, for the future planned and organized, systematic reliability work laid the foundation.

09-15 

This paper introduces the transmission mechanism and working requirements of electro-hydraulic push rod

Electric hydraulic push rod is a set of machine, electricity, liquid as one of the hydraulic drive manipulator, suitable for the need to reciprocate push and pull straight motion, can also be used to need to rise, fall or clamp the work place, and can realize the remote dangerous area of centralized or automatic control. Electro-hydraulic push rod is a new flexible transmission mechanism integrating machine, electricity and liquid, which is composed of actuator (oil cylinder), control mechanism (hydraulic control valve group) and power source (oil pump motor and so on). The electro-hydraulic putter can have various structural forms according to the site installation space and users' usage (see the outline size diagram of the electro-hydraulic putter for details, or customize the style according to users' requirements). The motor drives the positive and negative output pressure oil of the two-way hydraulic pump through the positive and negative rotation, and sends it to the cylinder through the hydraulic control valve, which also realizes the reciprocating movement of the piston rod. Features of electro-hydraulic push rod: 1. Compact structure, convenient installation, small space occupation and simple maintenance. 2. It can be started with load and has overload protection function. 3. Two-way hydraulic lock is set in the loop, which can stop at any position within the specified travel range and self-lock, and keep the output force unchanged. 4. Push and pull, speed (user requirements) stepless adjustable, wide driving range. 5. Power off for some reason, push rod locks itself to avoid accidents. 6. Full hydraulic transmission, sensitive action, stable operation, buffering external impact force, stroke control ≥0.5mm.

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