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The combination of hydraulic excavator and loader makes a 2-in-1 machine commonly known as front-end loader or backhoe loader, is a kind of the wider use of construction machinery, mainly used in municipal, water, pipeline gas, electric power, oil field, construction, forestry industries such as construction.
1 Dis/Advantages for a backhoe loader
l Advantages
The three main features of a backhoe are as follows: With loading and mining functions. Backhoe can be equipped with lifting arm, cargo fork, cleaner, crushing hammer, vibrating rammer and other equipment. Fast mobility, equipped with 4 or 5 gear hydraulic transmission, maximum speed of 40km/h.
l Disadvantages
The disadvantages of the traditional backhoe are also obvious, as follows: Loading mining work is at low efficiency, high fuel consumption, far less than the same bucket capacity of the loader and excavator. The front wheel at the loading end turns, the length of the whole machine is too long, resulting in a large turning radius, and the bucket is not easy to align with the working face, which is very different from the articulated loader. The digging end cannot rotate 360°, cannot move, there is a big gap than the wheel digging. Loading end can only be equipped with crane, fork, grab and other non-powered equipment, powered equipment such as sweeper, vibration rammer, snow blower, etc. Since the machine cannot move when the digging end is working, the average user will only install the crushing hammer or use it as a fixed crane.
2 Advantages for new backhoe performance
In order to solve the above problems, expand the backhoe application market, improve the backhoe loading efficiency, mining efficiency and expand the application of accessories, a new backhoe, innovative optimization of the traditional backhoe frame, mining equipment, transmission system, steering system. Without increasing the cost, it greatly improves the efficiency of working at both ends and expands the variety of devices that can be used. The core technical scheme of the new backhoe: two-way driving technology, hydrostatic transmission technology, four-wheel steering technology, mining end using 230° rotary technology.
A. Bidirectional driving technology
The new two backhoe design of a control platform, steering mechanism, shift mechanism, accelerator pedal, brake pedal, pilot handle, LIQUID crystal instrument, function control switch, all installed in a rotary base, bidirectional driving function. When the excavation end is working, it can carry out walking, shifting, reversing, braking and other actions, which is consistent with the wheel excavation operation method, with flexible action and high efficiency.
B. 230° rotary technology of mining end
The traditional rotary cylinder at both ends is used to drive the working device to rotate. The rotary Angle can only reach 180°, and the working face is narrow, especially when digging materials and loading trucks, trucks must stop at a certain position on the side of both ends. In the narrow and disorderly municipal working conditions, very inconvenient. Faced with this kind of working condition, the new backhoe can be alleviated. The new type of backhoe using rotary motor and rotary bearing working mode, can achieve 230° rotation Angle.
C. Hydrostatic drive technology
Hydrostatic drive technology has been widely used in loaders, but it has not been applied in both ends. The new backhoe adopts the transmission element of single pump, single motor and two-gear transmission, which is divided into working gear and driving gear. It can meet the loading work of low speed and large traction force, and also meet the high-speed transfer work of 38km/h.
D. Four-wheel steering technology
The new backhoe front axle and rear axle are steering drive axle. With hydraulic switching valve, three steering modes including two-wheel steering, four-wheel steering and crab steering can be realized
When loading, it adopts four-wheel steering and hydrostatic driving technology, which makes it an efficient loader. When turning at high speed, it adopts two-wheel steering to ensure accurate steering and good stability. In special working conditions, crab-shaped steering is adopted to meet the requirements of special terrain and passage.
As you could see that Yaweh backhoe loader keep irritating with new type and pursue and develop accordingly. We have great R&D team for solutions you would like to get.
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