Gantry crane KKS-10: technical characteristics, description, prices

Main operating parameters

It should be noted that this technology can be used in unfavorable environmental conditions, with strong temperature changes and high humidity.

The maximum operating weight is usually sufficient to handle large volumes of construction material. That is why KKS-10 is often used on railways, ports and other similar places.

And also where there are a large number of various containers, unloading and loading them manually takes an extremely long time.

The span length is sufficient to carry out all kinds of activities even in a warehouse with a very large area.

In most cases, it is enough for successful work on an area whose size is 400 m2.

The load can be lifted to a height that allows it to be placed in railway cars without any difficulty, as well as high loading platforms with non-opening sides.

So cars with trailers simply drive up under the boom of the gantry crane in question, after which the required amount of cargo is placed in them.

The reach of the console on both sides is quite large, which makes it possible to carry out various types of work not only strictly in the center of the span, but also in other places.

This is very convenient, since often the location of various items and containers on the territory of the warehouse does not allow the truck to maneuver through it.

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The speed of work is quite high, even if it is carried out with the maximum possible weights.

That is why the KKS-10 is often used in various types of production where a conveyor is used - with the help of this equipment you can very quickly carry out all kinds of work. For example, loading bulk materials into an extruder or loading cement into a special mixer.

The weight of the crane, which is several tens of tons, in no way affects the productivity of its work.

Classification

A device of this type can perform three independent operations:

• lifting and lowering loads;
• moving across the installation bridge;
• moving along the site.

Classifications distinguish the following types of lifting gantry devices:

• according to the bridge design: double-beam, single-beam;
• according to the method of supporting the crane trolley: suspended, support;
• by type of supports: with both rigid, with rigid and flexible - hinged;
• according to the location of the bridge on the racks: double-cantilever, single-cantilever, non-cantilever.

terms of Use

Despite the unpretentiousness of the technology in question, it must be remembered that for normal operation some important points must be taken into account.

KKS-10 is designed to operate in the following conditions:

• operating temperature range : from -40 to +40 degrees;
• mode group for normal operation – 3K;
• there should be no flammable or explosive substances under the beam.

The temperature range in which the KKS-10 operates is quite wide, but if necessary, you can slightly exceed its limits to a greater extent.

It is not recommended to operate at temperatures below -40 degrees, as the lubricant begins to harden. When water gets on various mechanical rubbing parts, it freezes, and serious damage occurs when starting work.

Various types of cables in polymer insulation can simply be broken - it becomes brittle and brittle in the cold. And since the cable moves along with the working part, the probability of such an incident is quite high.

On the beam itself there is an asynchronous three-phase motor in which voltage is present. Therefore, during operation there is always the possibility of sparks occurring as a result of insulation failure or improper operation.

If they come into contact with flammable materials, a fire may occur.

Recommended changes in crane electrical circuits

During planned repairs, the crane must be taken out for repairs by a person responsible for maintaining lifting machines in good condition, in accordance with the schedule of planned repairs with the issuance of a work order for work in electrical installations. Ultimate protection is provided by switch SQ.

Single buttons perform normally open and open with a mechanical return to their original position; The buttons have rear wire connections. The engine then runs idle for min.

Electrical diagrams of crane lifting mechanisms In Fig. Silver contacts are cleaned with a velvet file or chamois leather.

Before installation, the brush must be processed along the radius of the ring.

Flexible trolleys are made of copper wires stretched between supports, working with special current collectors. Low heating temperature of the resistances indicates an excessive number of elements. The high speed electric motor is turned on during high speed operation.

It is not recommended to use sandpaper or glass paper for this purpose. Kone gantry crane. Loading timber.

Electric motor

All work is carried out using a special three-phase electric motor, marked as MTF-211-6, which has a long service life.

It has the following technical characteristics:

• maximum power – 7.5 kW;
• shaft rotation speed at rated load – 940 rpm;
• rated current present in each phase is 18.1 A;
• the amount of current present in the rotor is 4.5 A;
• the voltage created between the individual rings is 3.3 V;
• Efficiency – 78,5 %.

The MTF-211-6 engine is quite reliable. It is thanks to its high power and efficiency that the KKS-10 is distinguished by its high operating speed.

A gantry crane equipped with this electric motor can only be used under the following conditions:

• the height of the location above sea level should not exceed more than 1 km;
• dust content of the environment should not be more than 100 mg/m3;
• Suspended air or dust must not be conductive.

Important! It is also unacceptable to use motors of this type in an environment that destroys insulation, as this will lead to an interturn short circuit and motor failure.

This type of electric motor can be used in areas designated as follows:

• U (moderate),
• T (tropical),
• O (general climatic),
• UHL (moderately cold).

The motor in question has a high class of dust and moisture protection, which makes it possible to place the KKS-10 crane directly on the street without fear of getting the live parts of the electric motor wet.

Types of trolleys

Equipment for gantry cranes is of the following types:

• monorails - wear out quickly and have low stability;
• double-rail – supplemented with monorail carriages;
• rope - rarely used due to the low strength of the ropes;
• self-propelled carts - move along guides.

The latter type of carts is the most in demand due to their durability, convenience and wear resistance. The lifting equipment of a gantry crane is installed on a self-propelled trolley or bridge. When using rope trolleys - stationary.

Construction device

The KKS-10 gantry crane has a standard design. This is one of its most important advantages over similar models from other manufacturers.

If a breakdown of any kind occurs, it is not difficult to detect it and determine the cause. It's also quite easy to fix.

If necessary, you can purchase the necessary spare parts at any specialized store or at the factory.

The main components of the entire working mechanism of KKS-10 are the following parts:

• a pair of gearboxes (RCD-350, Ts2U-200);
• ring gear;
• running drive wheel;
• gear;
• drive shaft;
• bearing shell;
• electric motor;
• intermediate shaft;
• gear coupling;
• brake mechanism type TKG-200;
• brake pulley

The crane beam moves along the tracks using special wheels (double-rib). They are marked as K2R-500×100. The life of the lifting mechanism in question directly depends on the quality of this part.

The service life is also affected by the correct installation of these wheels and the tracks themselves. If assembled and installed incorrectly, the service life may be shortened.

The next most important component of the KKS-10 crane mechanism is the TKG-200 brake. It is a device that regulates the movement of all executive bodies of a given gantry crane.

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TKG-200 implements control of the following actions:

• reduction of driving speed;
• full stop;
• hold.

TKG-200 is driven by a special hydraulic pusher. Its main purpose is to convert electrical energy into mechanical energy.

The working part of this braking device is special pads that slow down movement due to the friction force that arises when they are compressed.

The TKG-200 can use hydraulic pushers of various types:

• TE-80,
• TE-50,
• TE-30.

They are all interchangeable and work on the same principle.

Gear couplings, gears, and shafts have a standard design and number of teeth. All parts of this type used in assembling the KKS-10 at the factory are made of high-strength steel that is corrosion-resistant.

That is why you can fearlessly use this equipment in a warehouse without a roof - this will in no way affect the quality of work. It is only necessary to lubricate the working parts in a timely manner.

Accessories and Controls

The movement of gantry cranes is ensured by balancing or single-wheel trolleys, which are connected to supports. The trolleys are powered by electric motors.

The movement of the winch is provided by a pulley with a groove or a threaded drum, which increases the size and weight of the winch, but is more reliable than the groove. Management is provided by:

• remote control;
• radio control;
• drive method;
• from the operator's cabin.

Many gantry cranes support multiple control types simultaneously.