Excavator Uralvagonzavod EO-33211 technical characteristics

Specifications

This type of special equipment seems to be the most common, as it is widely used when laying communications, digging foundation pits for various buildings, in the process of quarrying and for other needs.

The technical characteristics of the EO 33211 excavator make it a truly universal solution for earthmoving work. When studying them in more detail, it is advisable to mention:

• the operating weight of the excavator is 18 tons;
• equipment dimensions (LxWxH) - 9.55x2.5x3.68 m. When working on folding supports, the width increases to 3.7 m;
• limit pressure values ​​in the hydraulic system - 32MPa;
• maximum force when performing excavation work - 175 kN;
• bucket volume is 0.85-1.05 cubic meters;
• the rotation speed of the working platform is 12 revolutions per 1 minute;
• unit speed is 8-25 km/h.

Excavator EO 33211 A is very popular

When working with the device, keep in mind that its tilt by more than 5 degrees is not allowed. When moving on a dry and hard surface, the unit can overcome unevenness not exceeding 20 degrees.

Engine

One of the most important design elements of an excavator is the engine. The EO-33211 uses a four-stroke diesel engine, which reduces fuel costs. It belongs to the V-shaped type, and its identification number is YaMZ-236M2.

Considering its key characteristics, it is advisable to mention:

• power 150 hp;
• rotation speed - 1700 rpm;
• The engine design assumes the presence of 6 cylinders.

The power unit, which is equipped with excavators of this series, has proven itself to be a reliable and easy-to-maintain motor, which, subject to the manufacturer’s recommendations, can operate for a long time without the need for repairs.

Hydraulic system

The hydraulic system of the model consists of many elements responsible for the operation of various components of the unit. They are used by working equipment, pneumatic systems, and are actively used in controlling the unit.

The hydraulic system includes:

• 4 main pumps, volumes 112 and 11.6 sq.cm;
• 2 hydraulic motors, both with a volume of 112 cm2. Used to move the unit and turn it;
• hydraulic cylinders. Used by handles, booms, supports, steering elements, etc.;
• 3 spool-type hydraulic devices.

The purity of the working fluid used in the hydraulic system is ensured using several filter elements. The first is of the main type, and the second works in conjunction with an injection pump.

Electrical system

The electrical system implemented in the excavator is simple, as it is of the single-wire type. Its main operating voltage is 24 V. It includes 2 batteries, a starter and a generator, which allows the electrically dependent components of the EO-33211 to work correctly.

Chassis

Studying the chassis of the unit in more detail, it is advisable to note that its design assumes the presence of two drive axles. Using the front unit, the operator controls the unit while performing work. The excavator track is 1.9 m, and the wheelbase is 2.8 m.

The design uses 8 wheels of a dual-chamber type. They are all the same size range 280R-508, and the reference tire pressure varies from 0.79 to 0.84 MPa.

Electrical system

The electrical system implemented in the excavator is simple, as it is of the single-wire type. Its main operating voltage is 24 V. It includes 2 batteries, a starter and a generator, which allows the electrically dependent components of the EO-33211 to work correctly.

Main working equipment

Regardless of the modification, excavators from this manufacturer are equipped with two types of working equipment, which are designed to solve the problems that arise for the unit. This includes a backhoe, which is most often used for digging soil below the equipment level.

Backhoe

The main element is a backhoe, which is used in various types of excavation work. Considering the performance characteristics of such an element in more detail, it is necessary to mention the following parameters:

• the nominal volume of the bucket is 0.85 cubic meters;
• the maximum permissible depth when digging is 5.8 m;
• when unloading, the maximum high position of the bucket reaches 6.5 m;
• if work is carried out at the unit level, the digging radius is 9m;
• an excavator equipped with a standard bucket and a 2.25 m long arm will weigh 18 tons.

Thanks to the technical characteristics of the unit and the features of its design, it is possible to carry out work even in conditions of lack of free space or an inclined surface.

Bulldozer

Another standard element that is equipped with all excavators of this brand without exception is a bulldozer. It consists of several components, among which mention is made of the hydraulic cylinder, levers and blade. Levers help ensure a constant cutting angle of the bulldozer, which improves the quality of work performed and its accuracy.

Cabin

The excavator cabin is designed to accommodate the operator. It is made of metal and equipped with 1 door and glazing. Its design allows the worker to have a wide level of visibility, which is especially important when working in conditions of limited space. Thanks to high-quality heat and sound insulation, it is possible to maintain a comfortable temperature.

Features of the excavator

When studying the features that a worker encounters when operating an excavator, it should first of all be noted that the controls for controlling the unit are placed taking into account ergonomic requirements. This allows you to perform all the operations for which this unit is designed without experiencing discomfort.

An important element is an automated control system , which allows you to monitor the operating parameters of the product, and if deviations or malfunctions are detected, stop work in a timely manner.

Controls

The interior of the excavator includes all the necessary elements used to control the unit. These include the steering wheel and pedals, the hand brake lever. Most of them are located under the front panel or on it, but some elements are implemented on the console chair in which the operator works.

These are mainly the elements responsible for manipulating the boom, bucket, supports and bulldozer, which allows you to control these units with maximum convenience. The excavator is maneuverable and easy to control

Advantages of technology

(Ural Carriage Works, located in Nizhny Tagil, Russia). Thanks to excellent technical and operational indicators, good equipment and high performance, the tractor has proven itself only from the best side. It has the following qualities:

• mobility;
• maneuverability;
• permeability;
• sustainability;
• multifunctionality;
• ease of maintenance;
• Ease of Management;
• comfort;
• safety.

The EO-33211 excavator has the following operating parameters:

Excavator operating weight, kg

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Excavator Uralvagonzavod EO-33211 technical characteristics

The Uralvagonzavod EO-33211 excavator is a wheeled excavator manufactured by the Ural Carriage Works. It can be manufactured in two modifications,

Excavator Uralvagonzavod EO-33211 technical characteristics:

• Engine: model YaMZ-236M2;
• power 150 l. With. or 110 kW;
• number of cylinders 6;
• number of measures 4;
• speed 1700 rpm;
• fuel consumption 162 g/l. s.*h or 220 g/kW*h.

• Hydraulic cylinders. Arrow: quantity 2;
• rod diameter 85 mm;
• piston diameter 125 mm;
• stroke length 1250 mm.

Excavator Uralvagonzavod EO-33211 technical characteristics of the equipment used:

• Main characteristics: digging force 111000 N;
• soil digging depth 5800 mm;
• soil digging radius 9200 mm;
• radius of digging soil at the parking level is 9000 mm;
• soil loading height 6500 mm.

The wheeled excavator Uralvagonzavod EO-33211 modification EO-33211A is used for working with soil of categories 1-4, pre-loosened frozen soil and rocks (piece size up to 200 mm). It is effective when digging pits, quarries, trenches, canals and other structures of this type.

In turn, the EO-33211K modification excavator is used for repair and restoration work on public utility structures and utility networks. It is additionally equipped with welding and pumping units, which make it possible to reduce the amount of equipment used, the number of workers, and time lost during repairs, replacement or laying of pipelines. It is effective when carrying out excavation work, pumping water from pits, welding pipelines and metal structures.

The wheeled excavator Uralvagonzavod EO-33211 has the following advantages:

• high cross-country ability;
• multifunctionality due to the ability to use various equipment;
• sustainability;
• mobility;
• high performance;
• presence of a powerful engine;
• ease of maintenance and management;
• the presence of a cabin with a large glass area, which guarantees a comfortable workplace, protection from dust, safety, and wide visibility of the work being carried out;
• the presence of compartments for storing a first aid kit, fire extinguisher, and personal belongings of the driver;
• comfortable arrangement of instruments on the control panel;
• the presence of a comfortable driver's seat.

Modifications

The basic model is considered to be EO-33211. The standard excavator is equipped with a bucket and is used for earthmoving work. No auxiliary equipment is installed on it. The built-in backhoe digs foundation pits and wells. Using a rotating mechanism, the tractor turns the platform, grabs the soil with a bucket, loads it onto a truck and then transports it outside the facility.

The cabin is made of metal, closed, sound and heat insulated, with wide glazing. There are 2 windshield wipers on the front glass. Inside the premises there are:

• control levers and control devices;
• a box for storing technical documentation and things;
• first aid kit;
• fire extinguisher.

A chair with a remote control contains a cushion and a back with attached sides and columns. The tractor uses warning, ventilation and heating systems, which provide an excellent microclimate in the driver’s cabin.

Modifications of the Uralvagonzavod excavator include:

1. Excavator EO-33211 A.
2. Communal worker EO-33211 K.

Module EO-33211 A develops non-frozen soil of categories I-IV, pre-loosened frozen and rocky soil, rocks, pieces of which reach no more than 200 mm. The following are used as additional working mechanisms:

• hydraulic hammer;
• loosening device.

The hydraulic hammer is attached to the gearbox flange. It is used to open up hard soils, destroy asphalt and concrete, compact uneven and loose surfaces, and level them for construction. The loosening device is used to break up the top layer of soil and open up the road surface.

The utility tractor EO-33211 K is used for repair, construction and communications work, and is equipped with pumping and welding units. A hydraulic pump pumps out groundwater from open pit structures, a welding installation cuts off and eliminates defects and malfunctions in pipes and metal structures using the welding method.

Technical characteristics of the ripper tooth of the EO-33211 excavator:

Loosening radius at parking level, mm

Hydraulic hammer MG-300-01

The excavator is designed for loosening frozen soil, crushing oversized hard and rocks, breaking up road surfaces, concrete structures, and compacting loose soil. The hydraulic hammer has several types of interchangeable tools: 1) wedge - for loosening frozen soil, breaking up road surfaces, concrete structures; 2) lance, chisel – for crushing oversized hard and rocks; 3) tamper - for compacting loose soil.

Technical characteristics of the MG-300-01 hydraulic hammer of the EO-33211 excavator:

Impact energy, J (kgf/m)

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Review of the EO-41211 excavator produced by OJSC UKBTM, Nizhny Tagil.

Technical characteristics of the EO-41211 excavator:

The new EO-41211 excavator is equipped with a DEUTZ BF6L2012C engine with a turbine, this is already a big plus; previous machines had YaMZ-238 engines on the EO-5126 crawler excavator, and YaMZ-236 on the EO-33211 wheeled excavator.

Of course, DEUTZ is a world name in engine building, and these engines are installed on a huge number of vehicles, ranging from small Chinese-made trucks to shipbuilding.

The DEUTZ BF6L2012C engine has the following parameters:

In the future there will also be configurations with a YaMZ-534 engine with a power of 135 kW, and of course with a turbine.

Refill containers:

The cabin has a completely different shape, more reminiscent of a Hitachi cabin; the manufacturer claims that it is made of a metal frame for maximum structural rigidity and operator safety.

There was more comfort, a standard radio and an OS-7-U2-24 heater from the Murom Climate Equipment Plant appeared. The seat has become much more comfortable, the instrument panel has changed. However, the hydraulic controls remain the same.

Hydraulic control joysticks and pedals are manufactured by Pnevmostroymashina OJSC, as on their predecessors.

The hydraulics as a whole have undergone changes; the pump unit and hydraulic motors for travel and rotation are installed from the Bosch Rexroth brand; Voronezh predecessors such as EO-5225 and VEKS 30L were equipped with similar ones.

Hydraulic filter elements were also replaced with imported ones, “Sofima”. The manufacturer does not specify the brand of hydraulic units; perhaps they were also inherited from previous EO-5126 models.

The excavator is also equipped with a “Hydronic-M12” pre-heater with a timer, which greatly facilitates engine starting at low ambient temperatures. It is simply necessary for our country.

The chassis has undergone changes, but not completely. The guide wheels remained the same, as on the EO-5126, and on the earlier Voronezh models. The tracks, support rollers and sprockets were also inherited from the predecessor EO-5126.

The track rollers look different, and there is also no mechanism for tensioning the track chain.

The attachments, judging by the standard bucket with the basic configuration, have not undergone any changes; the crowns and adapters of the bucket are very similar to those from the EO-33211 excavator, as is the design of the bucket itself, as well as the rods and levers of the bucket.

The following types of attachments can be used:

• hydraulic hammer
• pneumatic hammer
• grab grip
• bucket leveler
• grab digging
• bucket 0.85 m3 (standard)
• upside-down bucket
• ripper
• bucket 1.05 m3 (for bulk materials)
• bucket 0.42 m3 (trench)

41211 will also be produced as a tractor, as evidenced by numerous photos on the Internet.

Since 2016, UVZ planned to produce 50 of these excavators per year, but information on prices and sales could not be found on the Internet, only pre-orders, which did not indicate delivery times and forms of payment.

Excavator EO-33211

When performing large-scale excavation work, excavator equipment is widely used. Due to its high productivity and excellent technical characteristics, the EO 33211 excavator produced by Uralvagonzavod is incredibly popular.

With its help, you can easily carry out work with soil of various categories in conditions of high or low temperatures. If necessary, the excavator can be used to work with hard and frozen soils, if they are first loosened.

Excavator operation

The tractor is designed for operation in any climate zone and remains operational at temperatures from -40 to +40 degrees Celsius. In this regard, some models may be equipped with air conditioning. An autonomous interior heater is included in the basic package. The driver's seat automatically adjusts to the operator's weight and allows him not to get tired throughout the working day. And special shock absorbers will help you more easily endure vibrations that occur during operation. Control devices and controls are conveniently located and do not block access to each other.

Tractor maintenance and repair does not cause much trouble. All components and assemblies have a high safety margin and, subject to operating rules, will last a long time. The engine is unpretentious to the quality of fuels and lubricants. The main requirement is to prevent critical overloads of any equipment. The excavator is designed to work with soils of categories I-IV. Using it in other conditions may cause damage. The necessary spare parts for EO 33211 can be easily purchased from official representatives of the manufacturer.

The price of EO 33211 as of mid-April 2014 is 2.5-3.15 million rubles, depending on the modification and installed additional equipment.

Excavator 33211

The single-bucket universal pneumatic wheeled excavator EO-33211A has a mass of 18,000 kg. Equipped with a YaMZ-236 engine, capable of reaching speeds of 8-25 km/h. As standard, according to the EO 33211 catalog, it has a bucket with a capacity of 0.85 m3, intended for the development of unfrozen soils of categories I - IV and loosened rocky, frozen soils. The maximum digging depth is 5.8 m and the radius is 9.2 m.

33211 excavator bucket can be replaced with a narrow bucket with a volume of 0.42 m3, and a larger bucket with a volume of 1.05 m3. All work performed is allowed from minus 40°C to plus 40°C.

Wheeled excavator

General technical data of the EO-33211 excavator

• Operating weight 18 t
• Overall dimensions in transport position: length 9.55 m
• width 2.5 m
• height 3.68 m

Main working equipment

Backhoe

The backhoe is designed to perform various excavation work when digging, mainly below the excavator parking level, and consists of a monoblock boom, arm, bucket, levers, rods, hydraulic cylinders, and pipelines.

• Nominal bucket capacity 0.85 m³
• Maximum digging depth 5.8 m
• Maximum unloading height 6.5 m
• Largest digging radius at parking level 9.0 m
• Largest digging radius 9.2 m
• Operating weight of an excavator with a 2.25 m arm and a bucket with a nominal capacity of 0.85 m³ is 18,000 kg

Bulldozer

• The bulldozer consists of a blade, levers and a hydraulic cylinder
• During operation, the levers ensure a constant cutting angle of the bulldozer blade

Additional working equipment EO-33211

Excavator towing device

• The towing device is designed for towing an excavator. It consists of three rods.

Flashlight

• The flashing light is designed to provide special light signals when the excavator moves and is installed on the roof of the cab.
• The light is turned on by a switch on the control panel.

Ripper:

• Designed for layer-by-layer loosening of frozen soil and opening of road surfaces.
• Overcasting radius along the crown 800 mm
• Ripper weight 203 kg

Engine

• Diesel four-stroke, six-cylinder V-shaped YaMZ-236M2
• Engine power (nominal), 110 kW (150 hp)
• Output shaft rotation speed (at rated power) 1700 rpm.

Hydraulic system of the EO-33211 excavator

Hydraulic pumps:

• Axial piston adjustable, self-priming with power regulator 313.3.107.507.403 (2 pcs.)
• Axial piston unregulated 310.12.05 (1 pc.)
• Axial piston unregulated 310.12.06 (1 pc.)

Hydraulic motors:

• Axial piston unregulated 310.3.112.00У1 (1 pc.)
• Axial piston adjustable 303.3.112.241 (2 pcs.)

Application of the EO-3323 excavator

Excavator Kalininets EO-3323 is one of the multi-purpose earth-moving machines for various types of work. The technique can be used for:

• digging trenches, pits, developing soils of four categories;
• loading and unloading operations with bulk materials;
• quarrying, rock development;
• development of frozen soils, etc.

The excavator is used in construction, including transport and reclamation, industry, agriculture and road management, and public utilities.

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