Universal excavators ek kraneks and tveks. Universal excavators ek kranex and tveks Specifications and dimensions

Big brother from the Tveks EK family and just a good hard worker. Consider what it is and how it differs from the smaller brothers.

Among the products of the Tver plant, the TVEKS EK-18 excavator has the highest power ratings. Such advantages as long service life and reliability of equipment are due to the use of a reinforced metal structure of the bearing part.

Consumers also note the high technical characteristics of the machine; in Russia, the EK-18 is one of the most popular models of domestic production. The manufacturing company JSC "Tverskoy Excavator" manufactures a large number of construction special equipment. The hydraulic special vehicle is equipped with a pneumatic wheel drive. The excavator is positioned as a versatile, productive, unpretentious, easy-to-maintain equipment for performing earthmoving tasks. Its profitability is due to the availability and low cost of parts, low fuel consumption.

The TVEKS 18 excavator easily copes with soils of any category, which allows the equipment to be used everywhere. The main work for which EK-18 is used:

  • territory planning;
  • loading and unloading operations with pallet cargo;
  • demolition of construction sites;
  • career work;
  • production of excavations - pits, trenches;
  • other types of construction and agricultural work.

Produced in Russia, the TVEKS EK-18 excavator is unpretentious in terms of operating conditions. It has high performance in high and low temperatures, high humidity, etc. Thanks to such qualities as efficiency, reliability, maintainability and versatility, the excavator has become an indispensable assistant on construction sites and in quarries.

Modifications

There are several modifications of equipment, the main distinguishing features of each model are the hydraulic system and motor. The latter can be installed foreign or Russian production. The foreign unit is characterized by higher power, economy and long periods between maintenance.

EK-18 modifications:

  • standard model EK-18;
  • TVEKS EK-18-20 is characterized by increased efficiency; a standard working body (ladle) with a capacity of 1 cubic meter is installed on it. m. All components of equipment are produced in Russia. The main frame has a reinforced structure, which guarantees high performance when working in difficult conditions. TVEKS 18-20 can be equipped with a large number of additional working bodies. This modification is considered the most powerful and multifunctional;
  • EK-18-30 is the previous model with an advanced foreign-made hydraulic system;
  • EK-18-40 has a clamshell grip as a working body as standard. This special equipment is most often used in logging and scrap metal processing enterprises. Optionally, this model can be equipped with a lifting cabin (using hydraulics) and a scrap body;
  • EK-18-44 is an improved version of the previous model. Here, a hydraulic lifting cabin, a scrap body, a five-jaw grab with a capacity of 0.65 m3, a full-turn rotator are installed as standard. Its main purpose is the loading and unloading of gondola cars, as well as the work for which the EK-18-40 modification is intended;
  • TVEKS EK-18-60 is equipped with a hydraulic propulsion motor jointly produced by Bosch and Rexroth, a hydraulic pump, and a power plant manufactured by Perkins;
  • EK-18-90M is the latest development of the manufacturer, in which axles with limited slip differentials are installed, due to which the ability to overcome difficult sections is improved. The steering wheel made in Italy is smaller, which creates more comfortable working conditions for the operator. In addition, the cabin has increased rigidity. The power plant is characterized by increased power indicators, which favorably affects the efficiency of equipment. Optionally, handles of various sizes are installed, 2.2 m is used as standard. An increase in its length contributes to deeper digging, but the capacity of the working body is reduced.

Specifications

To increase the carrying capacity of TVEKS 18, it is planned to install two boom-lifting hydraulic cylinders and a bucket with a volume of 1 cubic meter. m.

The main technical characteristics of TVEKS EK-18 include:

  • weight - 18 tons;
  • capacity of the working body of a standard assembly - 0.65 m3, 0.77 m3, 1 m3;
  • unloading height - from 6.24 m to 6.75 m;
  • digging radius - from 8.85 m to 10 m;
  • digging depth - from 5.77 m to 6.97 m;
  • angle of rotation of the working body - 177 degrees.

The characteristics of heavy construction equipment depend on the modification. The machine demonstrates high performance at ambient temperatures from -40 to +40 degrees. Thus, the excavator can work not only in Russia, but also in other countries.

Engine

The high performance of TVEKS 18 is due to the installation of a powerful D-245 engine with a volume of 4.75 liters. This is a four-stroke four-cylinder power plant with a capacity of 77 kW or 107 horsepower. It is equipped with a water cooling system and a direct fuel mixture supply system. The rotational speed is 2200 revolutions per minute of operation. Diesel fuel is used, the unit is started by means of an electric starter. Auxiliary elements of the engine are made in Germany. Modifications can be equipped with a Perkins engine, model 1104C-44TA with a capacity of 123 horsepower.

The cylinders of the domestic engine with a diameter of 110 mm are arranged in a row, vertically. The main components of the motor are connecting rods, pistons, cylinder block, cylinder head, flywheel, crankshaft. All of them are serviced. To increase the performance of the power plant, a turbocharger is used, due to which an increase in torque to a maximum value (386 Nm) and throttle response is provided. The blowing force is controlled by the operator.

To start the engine in cold weather, a pre-start heater made in Germany "Hydronic 10" is provided.

Fuel consumption

It is 236 g / kW per hour of operation, the diesel fuel tank holds 255 liters.

Transmission

Gearbox
1 - flange; 2 - shaft-half-coupling; 3, 16 - cuffs; 4, 8, 11, 18,20,23,25 - bearings; 5 – hydraulic motor; 6, 28 - housing; 7, 9, 19.24, 26 - gears; 10 - pinion shaft; 12, 17.29 - covers; 13 – brake pulley; 14 - brake shoe; 15 - finger; 21.27 - coupling halves; 22 - shaft.

The gearbox (gearbox) EK-18 is used to transmit torque from the hydraulic motor to the drive axles; to shift gears, turn on / off the front axle and prevent spontaneous start of the excavator movement (activation of the parking brake). The gearbox consists of a hydraulic motor, a 2-speed gear, a gear shift mechanism, and a parking brake. Shoe-type pneumatic brakes are mounted in the bridges of the excavator.

electrical equipment

Electrical equipment EK-18 is responsible for starting the engine, lighting the working area if necessary, ventilating the cabin, turning on the light signaling when the special vehicle is moving, and for pre-starting the diesel engine. In addition to the starter, consumers of electricity on this equipment are control and measuring, lighting and light-signal equipment, fan electric motors, and a motor heater. All current sources and consumers are connected according to a single-wire circuit, in which the metal structure ("mass") of the special vehicle serves as a negative wire.

Chassis

The chassis is represented by a wheeled chassis. The excavator is equipped with a hydrostatic gearbox manufactured by the German company ZF, which is characterized by high reliability, long service life and efficiency under any working conditions. This transmission, when working together with the engine, allows the vehicle to move at speeds up to 20 km / h.

The movement of the TVEKS 18 excavator on the working site is carried out autonomously. To transport equipment to the work site, it is necessary to use a tug, while the maximum speed reaches 40 km/h.

The standard assembly includes a blade support and two outriggers that provide stability to the machine.

Hydraulic system

The consumer has the opportunity to buy TVEKS EK-18 with various hydraulic systems, depending on the modification of the machine. The system produced by the Russian company Pnevmostroymashina is installed as standard. It is characterized by a power of 50 kW or 70 horsepower. The maximum pressure in the system is 28 MPa, and the pump that creates it pumps 248 liters of hydraulic fluid per minute of operation. The tank designed for hydraulic fluid holds 350 liters.

Modifications are equipped with a Bosch and Rexroth co-production system.

Device

The main advantages of the TVEKS EK-18 excavator include:

  • ease of management and production of service work;
  • reliability, durability;
  • versatility and multifunctionality due to the installation of additional working bodies;
  • productivity;
  • installation of a high power power unit;
  • installation of a comfortable seat for the operator;
  • stability;
  • installation of an ergonomic operator's cabin with a large viewing angle, protective barriers against dust and an increased level of safety.

dimensions

Dimensions EK-18: 9.4 m x 2.5 m x 3.25 m (5.25 m with cab raised). Depending on the modification, the dimensions of the equipment may deviate from those indicated by 0.1 - 0.2 m.

Cabin

The advantages of the excavator cab include increased safety and ease of use. Management of the TVEKS EK-18 excavator is now even easier, and all the operator's attention is focused not on the controls, but on the workflow.

The cabin itself was designed by a Russian manufacturing company. It has a large glazing area, excellent vibration isolation, and a heating system is included as standard. Optionally, you can install an air conditioning system, a reduced-sized steering wheel with the ability to adjust, a driver's seat with customization, a joystick control system.

The position of the operator's cab relative to the chassis has changed somewhat. The entire work area is now in view. This innovation allowed the EK-18 to become a competitor to foreign equipment of world brands. At the same time, the quality / price ratio of the domestic model is several times higher than that of foreign special equipment.

The dashboard includes controllers and controls, the location of which is carefully thought out. The cab of the TVEKS EK-18 excavator has several compartments for things - tools, first aid kits, personal items, etc.

Attachment

The equipment is multifunctional and universal due to the possibility of installing various attachments. The standard package includes a bucket with a capacity of 0.65 m3 to 1 m3, depending on the modification and arm length. TVEKS EK-18 goes on sale complete with working bodies:

  • grabs - loading (5-jaw) for bulk cargo, digging;
  • the ripper is used in the development of rocky and frozen soils;
  • a hydraulic hammer is necessary for the demolition of concrete and reinforced concrete building objects or their parts, for the development of frozen soils;
  • log grapple with the ability to handle loads weighing up to 3 tons. Guarantees high efficiency in the production of loading and unloading operations and storage of pallet materials. In addition, a full-turn rotator can be installed;
  • hydraulic shears are used for cutting metal products and crushing hard materials.

Advantages and disadvantages

Acquisition of EK 18 TVEX is a smart and long-term investment. Special equipment with increased technical and good running capabilities, simple and understandable control, unpretentious in operation and maintenance. With affordable and reasonable prices for spare parts and a large number of technical support centers in almost every city. According to the results of the survey - payback in the shortest possible time.
Only one can be attributed to the disadvantages: the wheel formula of the machine is not designed to work in conditions of weakly bearing soils.

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Reliability

Convenience and comfort

maintainability
Specifications of the excavator EC-18:

Operating weight, kg

 18000

Travel speed, km/h

 20

Cycle duration, s.

 18,5
dimensions
Length, m 9,4
Width, m 2,5
Height, m 3,25
Working excavator equipment
Type backhoe
Digging radius, m 9,1
Digging radius at parking level, m 8,85
Digging depth, m 5,77
Unloading height, m 6,24
Bucket rotation angle, hail 177

Excavator EK-18 it is used primarily for digging quarries and wells, excavating pits, as well as for loading and unloading operations. Finds the widest application in industry and agriculture, indispensable in most construction works.

This is the most powerful model of this series (EK-12, EK-14) with excellent load capacity. Thanks to the reinforced metal structure of the working equipment, excavators under the EK-18 brand are distinguished by the highest reliability and durability, and thanks to a huge bucket with a volume of 1 m 3 and two boom-lifting cylinders, the excavator easily copes with the movement of any, even the heaviest loads. The comfort of the driver's workplace was not left without attention. The new cab, among other things, provides excellent visibility.

The EK-18 excavator is equipped with a powerful D-245 engine (105 hp), equipped with a German-made engine preheater. If necessary, the EK-18 can be equipped with imported hydraulics and an English Perkins diesel engine.

If we talk about such an important indicative ratio as price-quality, then here EK-18, perhaps, has no competitors from domestic manufacturers. Only a few foreign manufacturers with well-known names are ready to offer similar solutions. Handles for 2200, 2800 and 3400 mm. allow the use of buckets with a diameter of 0.65 m 3, 0.77 m 3 and 1 m 3, respectively, on the excavator.

Spare parts EK-18. Repair of the EK-18 excavator

Despite the reliability of the model, there are situations when the EK-18 excavator requires repair. In this case, you can contact Tvermashkomplekt. We have established direct deliveries of EK-18 spare parts from the manufacturer, which significantly reduces their final cost for the consumer. Also, if the excavator Tvaks. You no longer need it, we are ready to buy it back at a good price.

We would like to draw your attention to possible additional replacement equipment - spare parts for EK-18:

hydrohammer MG-300

for the destruction of concrete and reinforced concrete road surfaces, structures made of bricks, non-reinforced concrete, for loosening frozen soil and compacting loose soil

ripper 225-00-40.17.400

for excavation of curbstones, opening of the asphalt concrete crust of frozen soil, etc.

grapple GK-221

for digging trenches, wells, pits and for loading and unloading various materials. The grab can be equipped with a full swing hydraulic rotator. To increase the depth of capture of the load, an extension can be installed on the grab

log grapple 313-00-40.12.000, (capacity 3 t.)

for loading and unloading and stacking logs and other lumber. The log grapple can be equipped with a full-turn rotator.

hydraulic shears IG-811, IG-821

Concrete work. The hydraulic shears are equipped with a rotator that allows them to be rotated to any angle.

EK-18 excavator options:

excavator model

Weight, t

Bucket volume, m3

Digging depth, m

Engine brand

Description

Excavator

OPU 1400, hands. L=2200 mm PSM hydraulics, Hydronic heater

Excavator

OPU 1400, hands. L=2200mm, "Bosch-Rexroth" hydraulics (g/n, g/m stroke), "Hydronic" heater

Excavator

Perkins 1104C-44

OPU 1400, hands. L \u003d 2200 mm, Bosch-Rexroth hydraulics (g / n. g / m stroke g / m turn), heater "Hydronic"



Among the products of the Tver plant, the TVEKS EK-18 excavator has the highest power ratings. Such advantages as long service life and reliability of equipment are due to the use of a reinforced metal structure of the bearing part.

Consumers also note the high technical characteristics of the machine; in Russia, the EK-18 is one of the most popular models of domestic production. The manufacturing company JSC "Tverskoy Excavator" manufactures a large number of construction special equipment. The hydraulic special vehicle is equipped with a pneumatic wheel drive. The excavator is positioned as a versatile, productive, unpretentious, easy-to-maintain equipment for performing earthmoving tasks. Its profitability is due to the availability and low cost of parts, low fuel consumption.

Application

The TVEKS 18 excavator easily copes with soils of any category, which allows the equipment to be used everywhere. The main work for which EK-18 is used:

  • territory planning;
  • loading and unloading operations with pallet cargo;
  • demolition of construction sites;
  • career work;
  • production of excavations - pits, trenches;
  • other types of construction and agricultural work.

Features and Benefits

Modifications

There are several modifications of equipment, the main distinguishing features of each model are the hydraulic system and motor. The latter can be installed foreign or Russian production. The foreign unit is characterized by higher power, economy and long periods between maintenance.

Model EC-18-20 EK-18-30 EK-18-60 EK-18-90
Engine MMZ 245C Perkins 1104C-44TA D-245 2S2
engine's type Diesel, liquid cooling
Engine power, h.p. 105 123 122
Hydraulics PSM Bosch Rexroth
Handle, m 2,2/,2,8/3,4
Bucket capacity, cu. m 1,0/0,7/0,65
Digging depth 5,77/6,37/6,97
Unloading height, m 6,24/6,5/6,75
Cycle duration, s 18,5
Travel speed, km/h 20
Overall dimensions, mm 9360/2500/3158
Equipment weight, t 18,4

EK-18 modifications:

  • standard model EK-18;
  • TVEKS EK-18-20 is characterized by increased efficiency; a standard working body (ladle) with a capacity of 1 cubic meter is installed on it. m. All components of equipment are produced in Russia. The main frame has a reinforced structure, which guarantees high performance when working in difficult conditions. TVEKS 18-20 can be equipped with a large number of additional working bodies. This modification is considered the most powerful and multifunctional;
  • EK-18-30 is the previous model with an advanced foreign-made hydraulic system;
  • EK-18-40 has a clamshell grip as a working body as standard. This special equipment is most often used in logging and scrap metal processing enterprises. Optionally, this model can be equipped with a lifting cabin (using hydraulics) and a scrap body;

  • EK-18-44 is an improved version of the previous model. Here, a hydraulic lifting cabin, a scrap body, a five-jaw grab with a capacity of 0.65 m3, a full-turn rotator are installed as standard. Its main purpose is the loading and unloading of gondola cars, as well as the work for which the EK-18-40 modification is intended;
  • TVEKS EK-18-60 is equipped with a hydraulic propulsion motor jointly produced by Bosch and Rexroth, a hydraulic pump, and a power plant manufactured by Perkins;
  • EK-18-90M is the latest development of the manufacturer, in which axles with limited slip differentials are installed, due to which the ability to overcome difficult sections is improved. The steering wheel made in Italy is smaller, which creates more comfortable working conditions for the operator. In addition, the cabin has increased rigidity. The power plant is characterized by increased power indicators, which favorably affects the efficiency of equipment. Optionally, handles of various sizes are installed, 2.2 m is used as standard. An increase in its length contributes to deeper digging, but the capacity of the working body is reduced.

Specifications and dimensions

To increase the carrying capacity of TVEKS 18, it is planned to install two boom-lifting hydraulic cylinders and a bucket with a volume of 1 cubic meter. m.

The main technical characteristics of TVEKS EK-18 include:

  • weight - 18 tons;
  • capacity of the working body of a standard assembly - 0.65 m3, 0.77 m3, 1 m3;
  • unloading height - from 6.24 m to 6.75 m;
  • digging radius - from 8.85 m to 10 m;
  • digging depth - from 5.77 m to 6.97 m;
  • angle of rotation of the working body - 177 degrees.

The characteristics of heavy construction equipment depend on the modification. The machine demonstrates high performance at ambient temperatures from -40 to +40 degrees. Thus, it can work not only in Russia, but also in other countries.

Dimensions EK-18: 9.4 m x 2.5 m x 3.25 m (5.25 m with cab raised). Depending on the modification, the dimensions of the equipment may deviate from those indicated by 0.1 - 0.2 m.

Engine

The high performance of TVEKS 18 is due to the installation of a powerful D-245 engine with a volume of 4.75 liters. This is a four-stroke four-cylinder power plant with a capacity of 77 kW or 107 horsepower. It is equipped with a water cooling system and a direct fuel mixture supply system. The rotational speed is 2200 revolutions per minute of operation. Diesel fuel is used, the unit is started by means of an electric starter. Auxiliary elements of the engine are made in Germany. Modifications can be equipped with a Perkins engine, model 1104C-44TA with a capacity of 123 horsepower.

The cylinders of the domestic engine with a diameter of 110 mm are arranged in a row, vertically. The main components of the motor are connecting rods, pistons, cylinder block, cylinder head, flywheel, crankshaft. All of them are serviced. To increase the performance of the power plant, a turbocharger is used, due to which an increase in torque to a maximum value (386 Nm) and throttle response is provided. The blowing force is controlled by the operator.

To start the engine in cold weather, a pre-start heater made in Germany "Hydronic 10" is provided.

Fuel consumption of EK-18 is 236 g/kW per hour, the capacity for diesel fuel holds 255 liters.

The single-bucket excavator EK-18 is a multi-purpose earth-moving machine designed for excavation of pits, trenches, quarries in soils of categories I-IV, loading and unloading bulk materials, loosened rocks and frozen soils (with a size of pieces not more than 200 mm), as well as other works in the conditions of industrial, urban, rural, transport and land reclamation construction.

Interchangeable types of working equipment:

1. Replaceable handles L=2200, 2800, 3400 mm and with buckets respectively V= 0.77 m 3, 0.65 m 3;
2. Hydrohammer MG-300, designed to destroy concrete and reinforced concrete road surfaces, brick structures, non-reinforced concrete and other similar works, including loosening frozen soil and compacting loose soil;
3. Hydroshear NG-1624;
4. Ripper 225-00-40.17.400;
5. Log grapple 313-00-40.12.000 with a lifting capacity of 3 tons for loading and unloading and stacking logs and other lumber. The log grapple can be equipped with a full-turn rotator;
6. Digging grab and grab for bulk materials.

There is a version with two pairs of outriggers.

Various modifications of the EK-18 excavator:

Excavator EK-18-20 delivers high productivity with a 1cc bucket. The strengthened metal construction of the working equipment provides high reliability and durability. There is a large set of interchangeable working equipment for the EK-18-20 excavator. The EK-18-20 excavator is considered the most powerful multifunctional machine.

Excavator EK-18-30 has the same characteristics as the EK-18-20 excavator, but is equipped with imported hydraulics.

Excavator EK-18-40- pneumowheel hydraulic excavator for loading and unloading operations with clamshell grip. A special machine for loading scrap metal and timber - an EK-18-40 excavator with scrap equipment and a hydraulic lifting cabin.

Excavator-loader EK-18-44- special pneumatic wheel with scrap equipment, five-jaw grab GP-554 with a volume of 0.65 cubic meters. meters, a full-turn rotator and a hydraulic lift cabin for loading scrap metal and timber, for loading / unloading gondola cars.

Excavator EK-18-60 equipped with a Bosch-Rexroth hydraulic pump and travel motor, Perkins engine.

Single-bucket full-revolving pneumatic wheel excavator EK-18:

1 - power plant; 2 - turntable; 3 - operator's cabin; 4 - monoblock boom; 5, 7, 10 - hydraulic cylinders of the handle, bucket and boom; 6 - handle; 8 - bucket; 9 - support-dump; 11 - pneumatic wheel undercarriage; 12 - outrigger

Pneumowheel hydraulic excavators Tveks EK-18, produced at the plant in Tver, are one of the most popular and most powerful models in the manufacturer's line

Specifications Tveks EK-18, weight

The maximum speed that this model is capable of developing is 20 km / h.

The standard digging depth of Tveks EK-18 is 5.7 meters, the digging radius at the parking level is 8.85 meters, and the unloading height is 6.2 meters. Depending on the size of the handle that was chosen, certain indicators of excavation work, different from the standard ones, are changed and set.

All specified sizes of handles (2.2, 2.8 and 3.4 meters), which the EK-18 excavator can be equipped with, make it possible to use buckets of various sizes: 0.65, 0.77 and 1 cu. meters, respectively.

Engine Tveks EK-18

The Tveks EK-18 excavator is equipped with a D-245 power unit. At the request of the customer, this machine can be equipped with an imported Perkins engine (with increased power) with a hydraulic pump and a Bosh-Rexort travel motor.

Photo source: avtex.su

The D-245 engine is:

  • four stroke
  • four-cylinder (diameter of each - 110 mm)
  • diesel power unit.

There is a liquid cooling system, direct fuel injection, a fuel preheater, which allows you to start the car without problems at air temperatures down to -40 ° C. In general, the temperature range at which TVEX EK-18 can be operated is quite wide: from minus 40 to plus 40 degrees Celsius.

The Tvex EK-18 fuel tank can hold up to 255 liters of diesel fuel.

Maintenance

The reinforced metal structure of the working equipment made the EK-18 excavators even more reliable, increasing their service life. There are no problems with maintenance and repair, since all spare parts are available in the manufacturer's warehouse and from official representatives.

Dimensions

Management, cab Tveks EK-18

This excavator model is distinguished by a more spacious and convenient cab in terms of the location of the controls. In it, specialists from the Tver plant increased visibility. The cabin is resistant to dust ingress.


Photo source: avtex.su

Attachment

In addition to a large selection of digging buckets for EK-18 excavators, several types of additional attachments are provided.

So, the car can be equipped with:

  • hydraulic shears
  • hydraulic hammer
  • log grapple
  • ripper
  • digging grapple
  • loading grab.

All this allows you to operate the machine not only at urban construction sites. It is actively used in agriculture and forestry, especially after the possibility of installing a log grab, as well as in rural, reclamation and transport construction.

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