Forced locking for "Field"

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2018-03-19 00:50:51

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Probably every owner of domestic and imported SUVs ever wanted to improve the patency of his unit. And most motorists don't even need to overcome deep ruts, bogs, and scrambling on steep hills. The permeability increase to at least just not to get stuck on level ground. Set lock on “Field” will help to improve off-road performance. Consider what they are, working principle, cons and benefits.

Differential

In the early era of the automotive designers and engineers have empirically found that a solid axle for the two wheels – it's not helpful. Machine along a straight path is almost never used. Each tire will pass your way. Quickly wear out the tires and car did not want to turn. This led engineers to search for optimal solutions. They thought – and still invented.

lock the field

So the axle was divided into two half-axles, and between them set the differential. This allowed the wheels to the straight rotating with the same speed and in the turns – with different. But coverage is not always completely uniform. For example, under one of the wheels is a stone, under the other – sand. Therefore, one wheel will spin easier. And the need for this differential. The wheel that spin harder, he turns. So the engineers learned about the effect of slippage. Even four-wheel drive couldn't solve the issue. To completely eliminate slippage, was established lock. On “Field” it, unfortunately, does not. But it is very necessary, so the owners buy and install these mechanisms separately.

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Locks

It can be both forced and automatic. In the case of forced it includes the driver himself. Auto lock on “Field” mounted with special self-locking mechanisms.

Types of forced systems

It Often happens that in this case you use the Cam clutch. With their help it is possible to provide the maximum rigidity of the coupling housing and the axle shaft. Close and open the Cam of the clutch by moving the lever in the car. In the mechanical drive of the joint the cable and lever or system of levers. Forced the lock on “Field” mounted, is actuated by the driver by moving the lever. The machine should stand.

force lock for Niva

As the actuating element of the actuator uses a pneumatic cylinder. In another case, the circuit of the clutch occurs by means of electric drive. Forced the lock on “Field” set is enabled in this case by pressing the button. Rigid fixation is used to overcome particularly difficult tracks. After their passing she is sure off.

Limited slip differentials

These mechanisms are a compromise between hard lock and differential in free mode. So, on the basis of such systems it is possible to use both. In the first case to apply viscous coupling or a differential disk, and the second uses the worm gear.

Viscous coupling

This lock on “Field” is a set of perforated discs. One of these elements is connected to the differential case and the second – with the drive shaft. The disks are in a sealed housing that is filled with a special liquid of high viscosity.

lock on the field with their hands

When the rotation speed of the differential housing and the timing belt are the same, the unit operates as one. If the speed of the drive shaft increases, then the connected drives also spin faster, and with them moves the fluid. It becomes firmer, and eventually the differential gear is locked.

As the dimensions of the clutch are quite large, it is used often in inter-axle differentials. Because of its design it can heat up. When the driver activates the brake system, the clutch may conflict with ABS, so it is today, almost no one uses it.

Worm limited slip differentials

This system provides automatic locking. The work depends on the difference of torques on the body and the drive shaft. If the wheel slips, and the torque drops, the worm drive differential lock, and torque is routed to any available wheel. These designs are more popular. Some of the most famous – Torsen and Quaife.

lock Niva reviewsThese designs represent the planetary gears, which consist of masters and worm gears. Such mechanisms there are cross-axle and inter-axle.

Popular

The Motorist gets “Field” without locks, and it – a serious drawback. The machine is only locking cross-axle differentials. But this is not enough for true lovers of mud and swamps. What is available to fans of off-road?

Val-racing

The Company manufactures products in 2005. Forced millennia blocking this brand is known and loved by many. For «the Fields» the manufacturer offers a full locking front axle. It is equipped with an electric drive. Also available helical limited-slip lock (“field”). Reviews about them are mostly positive. The device works, and the reliability is high enough. Use these locks for all types of areas – can be swamps, forests and so on. These mechanisms are ideal for off road and for daily driving in heavy sections.

Automatic Differential Krasikova (DUCK)

V. N. Krasikov for the first time created the first system in 2002. Patented this block in 2004. This unique development – the future cambiocorsa differentials. This is a mechanical system with auto-commit.

The Process is performed from the change of the drive wheels. This enables to operate the mechanism very gently and with maximum stability in all speed ranges. The design allows the use of differential not only on SUVs “field”, but also on any other models. The device combines the quality and function of conventional differential. In addition, it removed a significant disadvantage when the machine is stalling one of the wheels. lock IZH techno cornfieldThe dimensions of this mechanism do not differ from classical systems. They can be arbitrarily replaced. The owners claim that there isn't a more efficient design. It's a decent choice that can reveal all the abilities «the Fields».

How does the lock on “Field” (the DUCK)

This automatic differential can be used on any road and off-road. The range of possible speeds and loads is very wide. When the car is moving, and the engine thrust is not higher than the weak coupling properties of the wheels, the differential is locked. If the thrust exceeds the friction characteristics, there will be an automatic commit. While “weak” the wheel will not rotate.

Varieties of DUCK

DUCK use only for use in off-road conditions. DAK-7 is designed for more sporty riding. But DUCK-5 is a universal device that allows you to hold the car on even the most remote places. Setting the lock on “Field” is on the front wheels. The mechanism allows you to greatly increase maneuverability and stability in several conditions.

DUCK 7 – this is a lock with a medium stiffness. Install this system in the bridge that connects either in slippery conditions or off-road. DUCK-5 is softer, and choosing it for bridges, which are permanently enabled.

setting the lock fieldThis system is ideal for those vehicles used primarily on paved surface. DUCK-5 has a broader range of forces, the effects of which he rasplachivaetsya. The resource of this device is higher in comparison with other models.

“IZH-techno»

Lock "IZH-techno” “Field” is a fairly simple and more reliable design. The mechanism consists of two side and spacer couplings. Also included are the springs and pins.

Often this system is constantly closed, and the differential works only when at least one wheel rotates faster than the leading. Blocking occurs due to the effect of engine torque and power in rolling resistance. This device will work as differential only if the wheel will be affected by external forces. In slippery conditions, this lock will be recorded and will transfer torque to all the wheels on the axis.

Lock DAN on “Field”

DAN – automatic differential Nesterov. You can install it as “Field” from the Volga automobile plant and “the Chevrolet Niva». This lock will increase controllability in the conditions of bad roads and improve m...


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DE: https://tostpost.com/de/autos/460-obligatorische-sperrung-auf-dem-feld.html

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ZH: https://tostpost.com/zh/cars/325-forced-locking-for-field.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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