Jacks have been used by builders and craftsmen from other areas of the economy since ancient times. Of course, the modern designs of this device have many differences from the first units of this type, but the concept of a small lift has always been in demand in various fields of human activity. In today's market you can find variations of this tool in a wide range, but the telescopic bottle jack, which is modest in size and has a fairly high load capacity, is most popular. Such designs are used by both professionals and ordinary users, in particular motorists.
Bottle Jacks Overview
The principle of operation is the main difference of this device, since it largely determined the range of technical and operational indicators of the tool, and its design features. All bottle-type jacks operate on the basis of the law on communicating vessels, but the methods for controlling the ratio in the loads can be different - from this point of view, screw and hydraulic models can be distinguished.
The structure includes several parts, including a cylindrical container with oil, a plunger and a lever with a pump. As the force builds up relative to the smaller piston, the pressure in the “bottle” will change, which will raise the larger plunger associated with the load. As a rule, a bottle jack is a two-piece design in which the most critical task is shifted to the pressure valve.
Pros and Cons of Jacks
A simple and reliable device has led to the widespread popularity of such jacks. Nevertheless, it is necessary to immediately note the limitations of this tool. They relate to the carrying capacity and dimensions of objects intended for lifting. That is, a bottle jack is unlikely to work with bulky cargo weighing more than 50 tons. On the other hand, in the spectrum of its working capabilities, the telescopic unit shows high accuracy of fixation and smoothness when lifting. These qualities have made bottle models especially popular among motorists. The ability to lift several tens of tons with optimal stabilization is quite sufficient for servicing passenger cars, and maintaining the functional state of the liquid, regardless of temperature differences, also expands the range of applications for jacks of this type. From the point of view of user convenience, it is worth noting the small dimensions. The ratio of the mass of the hydraulic structure and the lifting capacity ensures the highest productivity in the class.
Matrix Jack Reviews
The company produces several families of jacks. The most popular is the Master line, represented by models with a carrying capacity of 5 to 12 tons. Users note the decent quality of the tool, the ability to easily and quickly perform lifting and maintainability. By the way, if you need an aggregate with a good supply of carrying capacity above the nominal level, then you can count on this bottle jack. Reviews note that even models designed to lift cars cope with the maintenance of small houses. True, this requires a complex technical organization of the event. In addition, the manufacturer still does not recommend experimenting with goods that significantly exceed the nominal values.
Reviews about Jacks "Bison"
Domestic manufacturer also offers good options for jacks. According to the owners of such equipment, the products are durable and durable. But there are also disadvantages of this product. Many users criticize the Zubr brand bottle jack for poor ergonomics. Difficulties arise when working in difficult areas, when the possibilities for installing the tool are significantly limited. But in working with cars, gazelles and even buses, such a jack shows its best side - the main thing is to correctly calculate the power potential of the unit and the mass of cargo, otherwise a breakdown will be inevitable.
Jet Jack Reviews
One of the widest assortment of different jacks is offered by Jet. At the same time, all models cause mainly positive feedback regarding power, design convenience and durability. These qualities are possessed by a 2t bottle jack with a small stroke, and versions with a lifting capacity of up to 12 tons. True, you will have to pay expensive for high quality. For example, an average power tool is available for 3-4 thousand rubles, while similar instances from other brands can be bought for 1.5-2 thousand. But the owners note that the reliability of jacks of this brand justifies the investment when it comes on solving critical tasks in car maintenance.
Ombra Jack Reviews
If you need a budget jack for simple household purposes, then it makes sense to contact the manufacturer of Ombra. This is a Chinese brand that produces models with low payload and compact dimensions. Users of such a tool, of course, note many shortcomings, including the presence of structural backlash, problems with the stroke of the rod and the need for great physical effort in the lifting process. A screw bottle jack from a Chinese manufacturer receives less negative reviews, but there are unpleasant nuances of operation. These include the impossibility of using the tool in working with machines on a long suspension. One way or another, a large part of users put up with such shortcomings due to the low cost of Ombra jacks, which is 1-1.5 rubles.
Conclusion
Equipment designed for regular force impacts is initially developed with the ability to provide sufficient resistance to mechanical stress. This can explain the fact that the bottle jack is made of high strength metals, and also has a special design shape. Despite this, breakdowns of instruments of this type happen quite often. Basically, these phenomena occur due to non-compliance with operational recommendations. This applies not only to the work of jacks with goods with higher mass indicators, but also to the observance of permissible time intervals designed to stably hold the object in one position. By the way, the possibility of long-term fixation of the same cars in a stable position without changes in height is one of the most important criteria for assessing the quality of a telescopic jack.