This article mainly introduces:

Ethiopia hydraulic cylinder,lifting platform cylinder manufacturer,lifting platform cylinder

(Ethiopia lifting platform cylinder,produced by Hebei Hengyu company）

lifting platform cylinder are widely used in Ethiopia，because of clever hydraulic energy conversion，simple structure and reliable operation，excellent temperature resistance.So our company has designed lifting platform cylinder for customers from Ethiopia.

Introduction to lifting platform cylinder:

When installing the lifting platform cylinder pipe, the pipe should be cleaned after installation, and should not pass through the lifting platform cylinder block, and the by-pass pipe must be installed in front of the oil port of the lifting platform cylinder block. This is important. Otherwise, the foreign body in the pipeline will enter the lifting platform cylinder, and once it enters, it is difficult to exclude it, but it becomes a foreign body transported to the lifting platform cylinder. Moreover, when cleaning, the removal method of foreign bodies entered in the installation pipeline operation should be considered. In addition, the corrosion in the pipe should be pickling and other procedures before the pipe installation, and the rust must be completely removed.

When the lifting platform cylinder thrust is insufficient, check the hydraulic circuit for leaks. Including leakage of valves and hydraulic lines. The inspection method is to check and eliminate the leakage of the hydraulic connection line by manipulating the reversing valve. Also consider the relief valve. If the relief valve enters the dirt and jams the spool, so that the relief valve is normally open, the hydraulic oil will flow directly back to the tank through the relief valve bypass, resulting in no oil in the lifting platform cylinder. If the load is too large, although the regulating pressure of the relief valve has reached the maximum rating, the lifting platform cylinder still cannot get the thrust required for continuous action without action. If the regulating pressure is low, the pressure is insufficient to achieve the required vertebra force, which is manifested as insufficient thrust. Check and adjust the relief valve at this time.

In order to ensure the service life of the lifting platform cylinder, the medium used must not be mixed with impurities and stolen goods, so as to avoid scratching the inner arm of the lifting platform cylinder, causing damage to the seal and causing leakage in the lifting platform cylinder. It is required that the filtration accuracy of the system is not less than 80μm, the oil pollution is strictly controlled, the hydraulic oil is kept clean, the performance of the hydraulic oil is regularly checked, and the necessary fine filtration or replacement of the new working hydraulic oil is carried out.

lifting platform cylinder is the most important part of construction machinery, the traditional processing method is: broaching lifting platform cylinder block - fine boring lifting platform cylinder block - grinding lifting platform cylinder block. The rolling method is: broaching lifting platform cylinder block - fine boring lifting platform cylinder block - rolling lifting platform cylinder block, the process is 3 parts, but the time is compared: grinding 1 meter of the lifting platform cylinder block is about 1-2 days, rolling 1 meter of the lifting platform cylinder block is about 10-30 minutes. Input comparison: grinding machine or quilting machine (tens of thousands - millions), rolling knife (ten thousand - tens of thousands). After rolling, the surface roughness of the hole decreases from RA3.2-6.3 μm before rolling to Ra0.4 ~ 0.8μm, the surface hardness of the hole increases by about 30%, and the fatigue strength of the inner surface of the lifting platform cylinder increases by 25%. If the lifting platform cylinder life is only considered, it is increased by 2 to 3 times, and the boring and rolling process is 3 times more efficient than the grinding process In particular, if you want to make high-quality lifting platform cylinders, you must take the rolling production process. After the lifting platform cylinder is rolled, there is no sharp tiny edge on the surface, and long-term motion friction will not damage the seal ring or seal, which is particularly important in the hydraulic industry.

Answers to some questions about lifting platform cylinder:

How big is the 100t cylinder pump and how big is the motor?
Load is calculated at 15 tons, stroke is calculated at 100 (both take the maximum) 15 tons = 15,000 kg, 15,000/210 bar (21 mpa) =71.42 square centimeters (cylinder area) 71.42/3,14 In the root *2=90,5 the inner diameter of the cylinder can be taken 100 mm. Travel 100 cm, that is, one meter, assuming 10, seconds a back and forth, then it is six times a minute, six meters per minute, then the required flow is,71,42*600 cm (6 meters) =42840 mm =42.84 liters/minute 42.84*21/60=14.9 kilowatts can choose 1450 RPM 4-stage motor 15KW.

How to limit cylinder push rod rotation?
In general, the push-rod rotation can be limited after the push-rod is connected to the pushed mechanism. For example, the push rod is hinged with the push mechanism, or the push mechanism itself is guided, which can limit the rotation of the push rod.