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Analysis of the reasons why the front reaction arm wrench cannot return to its original position
source:Industry News release time:2022-05-27 Article author:yu Popular:Air band saw
The front-mounted reaction arm wrench uses a hydraulic oil pump (high-pressure hydraulic oil pump) to supply the hydraulic machine source, and determines the tensile force according to the data information of tensile compressive strength, compromise index and elongation rate, and uses the tensile force caused by the super-injector. The bolt with increased force is stretched to its elastic deformation zone, and the diameter of the bolt is slightly deformed, making the nut very easy to loosen. We usually encounter some small problems in the process of using the front reaction arm wrench and how to solve them.
The reason why the hydraulic equipment wrench can't be returned:
The use of the overtravel arrangement causes the piston rod to crack and must be assembled again. HTA and HTB series products are likely to have this kind of problem, and HTS series products are not prone to overtravel, due to the inspiration of the itinerary and the overflow of accumulation.
What types of front reaction arm wrenches are there?
1. The design scheme of the ssd type single-bolt tensioner is used for the calibration of the piston rod product, and it is applied at a moderate frequency;
The universal type can be used for single-specification model bolt pulling, with small size, compact structure, light weight and high precision;
3. The type of DSD multi-level bolt development tensioner is the overall design of double hydraulic cylinders. When the indoor environment is narrow, this type of selection A is suitable for the company to use;
The exchangeable stretching head is convenient for the actual operation cost, because this type of stretching machine is suitable for bolt stretching of various specifications after the stretching head is replaced.
What are the advantages of a front-mounted reaction arm wrench?
Generally, mineral oil is used as the working substance, the surface layer of the relative speed is smooth and the service life is long.
2. Light weight, small size, small inertia force, faster reflection and analysis.
3. Various components of the hydraulic transmission system can be arranged conveniently and flexibly as required.
4. The load maintenance can be accumulated.
It is easy to use and easy to operate, and several bolts can be connected and tightened to save labor costs.
6. It is very simple to carry out a parallel line to carry out fitness exercises.
The hydraulic push rod linkage control is used, which can not only carry out high-level product control, but also can carry out remote operation.
Figure 8. It can be used as a hydraulic machine to intervene in the joint to increase the axial force and carry out top pressure installation.
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