Advantages and characteristics of the Belarusian excavator DEM-114

The light excavator DEM-114 is produced in Belarus at the Dorelektromash LLC enterprise. Earth-moving equipment and a control system are installed on a Belarus 92P wheeled tractor produced by the Minsk Tractor Plant.

The DEM-114 backhoe loader is an indispensable piece of equipment for performing a wide variety of work in the construction, mining, agriculture and road industries. The DEM-310 excavator loader is designed for excavating and moving soil of 1-3 density categories. To work with category 4 soil, preliminary loosening is carried out. A modern earthmoving machine has excellent performance characteristics, combining an affordable price and high quality.

Design of excavators based on MTZ

The layout of earth-moving machines based on MTZ wheeled tractors consists of the location of hydraulically controlled equipment on the rear body of the machine frame and additional front equipment on the front linkage and beams of the tractor frame. The machine operator's workplace can be transformed by rotating the seat 180° to allow the machine to operate while moving and when operating rear excavator equipment. The overview cabin allows you to monitor and manage work processes around the perimeter of the machine. The tractor is equipped with an additional autonomous hydraulic system designed to control and drive the working parts of the excavator's earthmoving equipment. Control is carried out by levers, special distributor. equipment located on the panel of the rear wall of the cabin.

Excavator diagram based on MTZ

Machine components and assemblies

The machine's additional autonomous hydraulic system is designed to service the earth-moving mechanism. It includes a hydraulic pump, control distributors and a system of hydraulic power cylinders (16,12,5,6,7) connected to the moving parts of the excavator mechanism. The pump is driven from the rear PTO of the tractor.

The digging organ of the machine consists of:

• Platform 4, which performs the function of attaching the working mechanism to the rear axle housing of the tractor and the turntable for the excavator boom. The platform allows the excavator body to rotate horizontally and change its inclination within the boundaries of the rotation angles, providing direction for digging and unloading soil.
• The other end of the boom 11 provides an articulation with the arm of the digging mechanism. Its length and slope ensures the vertical position of the working parts.
• Shoulder 10 provides force on the articulated digging bucket. In combination with the boom, its position determines the digging depth and soil unloading height relative to the position of the machine.
• Bucket 9 is the active digging part of the mechanism - its volume ensures the excavation or loading of soil.
• To ensure stability of the excavator during operation, the machine is equipped with a pair of hydraulic supports 13.

All parts of the digging mechanism are driven by corresponding hydraulic cylinders or their pairs, depending on the design of the machine.

For additional functionality, the excavator can be equipped with a bucket loader of various designs or a leveling dozer blade. The equipment is placed on the front beams of the tractor frame and the front linkage of the tractor. The working bodies are activated by hydraulic power cylinders from the standard hydraulic system of the machine.

Main characteristics of the excavator (DEM 114)

Dam 114 instruction manual

Dam 114 instruction manual

30 Aug 2022, 23:05 jamie199208_2009

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Important Review of popular New Holland tractor models

Rental of special equipment:

Excavator MTZ-80

The basic model from this series. This is the simplest version, which has been produced since 1974. It was modified and improved, giving rise to new and modern designs. Now such models are not produced, but many still use them, so it is possible to purchase such a used car.

Excavator MTZ-80

It has a 4-cylinder engine and runs on diesel fuel. Equipped with a liquid cooling system. The tractor is equipped with an automatic transmission and power steering. The body is rear-wheel drive.

Initially, the assembly included an additional carburetor engine for starting. Later, an electric starter was used for this. Starting will not occur if the transmission is at speed rather than in neutral. A special locking mechanism is responsible for this. There is also an additional option for switching on via a gasoline engine.

In the cold season, it is not necessary to warm up the tractor for a long time using idle speed. To heat the starter and engine, it is equipped with an electric torch system heater.

The Mtz 80 excavator has the following technical characteristics:

• weight – 3.16 tons;
• speed during operation – 31 km/h;
• engine power – 80 horsepower;
• fuel tank capacity – 130 l;
• engine volume – 4.75 l;
• fuel consumption 5–7 l/hour.

Bucket parameters:

• excavator bucket volume – 0.25 cubic meters. m.;
• front volume – 0.5 cubic meters. m.;
• The maximum load weight for the front bucket is 750 kg.

Additional equipment that the tractor has is a plow, a snow brush, a bulldozer blade, and a hydraulic hammer.

Modifications

The manufacturer has provided a couple of modified versions, which are produced under the same index as the base model. Let's look at them in more detail:

• Modification DEM-114, equipped with a hydraulic breaker. This model has an additional hydraulic line that allows you to install various types of breakers on the handle of excavator equipment. The pressure in the hydraulic system circuits was increased to 200 atmospheres. A hydraulic pump is installed with a capacity of 100 liters per minute.
• Modification DEM-114, equipped with a front rotary blade. Standardly, this model has a front bulldozer blade with a special mechanism that allows it to rotate 40 degrees in each direction. The equipment can be lowered to 130 millimeters, which allows the equipment to be used for leveling a small area or as a grader. This modification is based on models such as MTZ-82P, MTZ-80.1, as well as all its modified versions.

Excavator Belovezh DEM-114 technical characteristics

The Belovezh DEM-114 backhoe loader is manufactured by the Belovezh company. It was created in 1999 in Moscow.

Excavator Belovezh DEM-114 technical characteristics:

Overall dimensions: foot width 2240 mm; length 6100 mm; height with raised bucket/without bucket - 4245 mm/3480 mm; rear wheel track width 1800 mm. Carriage offset 590 mm. Hydraulic system pressure 23 MPa.

Excavator Belovezh DEM-114 technical characteristics of the equipment in use:

• Loading bucket: width 2200 mm;
• capacity 0.8 cubic meters;
• weight of transported cargo 1000 kg;
• digging depth 200 mm;
• shipping height 2640 mm;
• bucket tilt 44 degrees;
• height of the hinge of the raised equipment is 3570 mm;
• bucket reach during loading 650 mm;
• loading angle 55 degrees.

Excavator bucket:

• rotation angle 195 degrees;

capacity 0.3 cubic meters/0.25 cubic meters/0.12 cubic meters; digging depth 4420 mm; shipping height 3400 mm; reach at ground level/for loading - 5350 mm/1700 mm.

The Belovezh DEM-114 excavator loader is manufactured on the basis of the MTZ-92P. It is intended for excavation, loading and unloading work on soil from the first to third categories. Thanks to the shiftable digging axis, the excavator can be used in cramped conditions. The hydraulic system of the equipment is made on the basis of components from European manufacturers: MaNULLi, Brevini, Filtrek, Busak+Shamban.

Advantages of this model excavator:

• the presence of a comfortable cabin of increased volume, which has panoramic glass;
• the presence of a 2-speed pantograph wiper, as well as a windshield washer and four working headlights;
• multifunctionality;
• ease of control;
• Possibility of use in areas with cramped conditions;
• durability.

Review of the main parameters of construction equipment

Excavator equipment provides a digging depth of 4.42 m and a height of 5.1 m. The reach of the DEM 114 excavator is 5.35 m at ground level with a load reach of 1.7 m. The maximum height to which the excavator equipment can be moved load – 3.4 m. The turning radius of the excavator bucket is 195 degrees, and its capacity is 0.25 cubic meters. The displacement radius of the digging axis is 59 cm.

Also, the DEM 114 backhoe loader is equipped with a powerful front-mounted loader with a tonnage of up to 1,000 kg. The bucket volume is 0.8 cubic meters, digging depth is 20 cm, unloading height is 2.64 m. The design of the front loader allows simultaneous operation of the bucket with vertical movement of the boom.

114, 1143, 310, 114, loaders, characteristics, advantages, review

The light excavator DEM-114 is produced in Belarus at the Dorelektromash LLC enterprise. Earth-moving equipment and a control system are installed on a Belarus 92P wheeled tractor produced by the Minsk Tractor Plant.

The DEM-114 backhoe loader is an indispensable piece of equipment for performing a wide variety of work in the construction, mining, agriculture and road industries. The DEM-310 excavator loader is designed for excavating and moving soil of 1-3 density categories. To work with category 4 soil, preliminary loosening is carried out. A modern earthmoving machine has excellent performance characteristics, combining an affordable price and high quality.

Main advantages of the technology

The DEM-1143 excavator loader created by Belarusian engineers embodies strength, reliability and modern technology. Taking the time-tested MTZ tractor as a basis, the developers installed the most modern modifications of excavator and loading equipment on it.

The main advantages of this machine:

• Spacious and comfortable cabin. Panoramic glazing allows the operator to see the entire work site. Work in forward gears and reverse is performed equally efficiently and safely. Glass cleaning devices provide excellent visibility in any weather. Powerful headlights create all-round illumination within a radius of up to 20 meters.
• Convenient management of special equipment. All actions are performed using joysticks located on the armrest of the orthopedic chair on shock absorbers. This improves driver productivity. Even at the end of the shift he does not feel tired. Concentration does not weaken.
• High strength and reliability of loading equipment. The connection of all fragments of the boom, bucket, and auxiliary devices is carried out by high-precision welding in an inert gas environment. This solution prevents the occurrence of porosity in the seams, provides resistance to corrosion, temperature changes and extreme loads.
• The chassis and transmission are equipped with a powerful gearbox, modern clutch disc and durable hinges. Control is carried out using a single lever that performs several functions.
• Wide pneumatic wheels. The deep tread in thick rubber ensures good maneuverability in sticky soil and when driving off-road. The wide wheel spacing allows the vehicle to move on any road at high speed.
• Ease of maintenance and repair. The operator has access to all components and mechanisms. The presence of a wide network of service centers allows you to quickly and inexpensively return damaged equipment to service.

An important factor is the price of the backhoe loader. It is 2 times lower than that of analogues made in European, Japanese and American production. At the same time, the productivity of Belarusian technology is practically not inferior to them.

Specifications

The Belarusian-made backhoe loader DEM-114 belongs to the category of medium-sized earth-moving equipment with a wide range of applications.

Main technical characteristics of this multifunctional machine:

• engine - diesel D-245.5 with water cooling;
• power - 90 hp at a rotation speed of 1800 rpm;
• engine capacity - 4.8 l;
• highway speed - 50 km/h;
• height - 430 cm;
• width - 270 cm;
• length - 615 cm;
• wheelbase - 240 cm;
• weight when filled - 2500 kg.

With small dimensions and sufficient power, an excavator can effectively perform many different tasks.

Excavator equipment capabilities:

• digging depth - 445 cm;
• lifting height - 510 cm;
• boom radius - 540 cm;
• boom turning radius - 200 degrees;
• bucket capacity - 0.25, 0.2, 0.1 m³;
• bucket width - 30, 40, 50 cm;
• The maximum lifting capacity of the boom is 500 kg.

The front bucket has equally impressive performance:

• digging depth - 20 cm;
• lifting height - 270 cm;
• bucket capacity - 0.8, 0.6, 0.4 m³;
• bucket width - 200, 180, 150 cm;
• maximum load capacity - 1000 kg.

The design of the machine involves simultaneous operation of frontal and excavator equipment in different planes. The functionality of the backhoe loader can be significantly expanded by installing additional devices. The front bracket allows mounting of a blade, forklift, vertical and horizontal grips. The boom can be equipped with a hydraulic hammer, grab, mulcher or drilling equipment.

Purchasing a DEM-114 backhoe loader is a profitable and promising investment.

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Backhoe loader EO-2626, EO-2621

The EO-2626, EO-2621 backhoe loader based on the MTZ tractor was developed taking into account the best achievements of domestic and foreign mechanical engineering. The high productivity of the Belarus excavator is combined with ease of operation, reliability in operation and ease of maintenance.

Excavator "Belarus" and its hydraulic system:

A modern sectional hydraulic valve with built-in safety and anti-cavitation valves manufactured by Hydrocontrol (Italy) ensures smooth combination of operations of excavator equipment and the accuracy of its operation, protects it from mechanical damage due to operator errors.

The controls of the Belarus excavator are located ergonomically at arm's length. Two four-position levers provide smooth, precise control of the backhoe work equipment, with the ability to combine operations, conveniently located on the rear control panel.

The scope of application of the EO-2626 “Belarus” backhoe loader expands when it is equipped with additional replaceable types of equipment and parts provided for in the design of the base machine. At the request of the customer (consumer) and in agreement with the manufacturer, various options for equipping the Belarus excavator with replaceable working parts are possible:

• Front loader (V= 0.8-0.9 m3)
• jaw scoop
• Bulldozer blade
• Wiring for hydraulic hammer

Special price from Belagro: RUB 1,110,000.

Technical characteristics of the EO-2626 excavator

Description and features

DEM-114 was developed taking into account the requirements of world standards for backhoe loaders. Particular attention was paid to the working conditions of the operator. As a result, this backhoe loader has a fairly spacious and comfortable cabin. Its design has panoramic glazing, which provides excellent visibility of the entire workspace. Thanks to this, the operator can perform various operations, both front and rear, with maximum accuracy, quality, and most importantly, in compliance with safety regulations. Modern joysticks were installed as working parts, with the help of which the operator can simultaneously perform up to four different operations and at the same time quite quickly and easily. The model has imported hydraulics, which ensures increased equipment performance. All hydraulic cylinders were equipped with imported seals, which guarantees high reliability and long service life of these elements.

The front loader equipment is capable of handling loads weighing up to 1000 kilograms, which is quite enough for most jobs. This model used a special system that ensures parallel movement of the rear bucket when raising and lowering the boom mechanism. The high versatility of the machine is due to the fact that the equipment uses two types of working equipment at once, namely a front loader and a rear excavator. Already as standard, the DEM-114 is equipped with a multi-purpose four-in-one front bucket, which allows you to perform a large number of different jobs.

The rear excavator equipment has a special mechanism that allows the digging axis to be shifted in both directions by 590 millimeters. This solution is often observed in many modern backhoe loaders, since thanks to this mechanism the equipment does not lose its efficiency during any work in conditions with limited working space. In the transport position, the model has a relatively low height of 3480 millimeters, although the maximum digging depth has been increased to 4420 millimeters. This is due to the thoughtful design of the boom equipment. The control of the working bodies, both front and rear, is made in the form of joysticks and allows you to perform up to four different operations simultaneously. In order to increase ease of use, the manufacturer has equipped amplifier control joysticks, thanks to which the operator does not need to exert much effort to carry out any manipulations with the work equipment. The hydraulic system used is distinguished by its quality and reliability, since it used components and assemblies of European production. So, this piece of equipment contains parts from such manufacturers as: Brevini, Busak+Shamban, Filtrec, and MaNULLi. During operation in the circuits of the hydraulic system, the specific pressure rises to 23 megapascals, and the maximum cutting force is 38 kilonewtons, which translates to 3874.9 kilograms. The hydraulics are complemented by a high-quality closed-type filtration system, the purification fineness of which is 10 micrometers or 0.01 millimeters.

When the equipment is in the transport position, its rear excavator equipment folds quite compactly, thanks to which it was possible to significantly reduce the degree of load experienced by the rear axle of the machine when moving, as well as reduce the overall dimensions of the equipment, in particular the height.

The manufacturer quite successfully distributed the load across the bridges of the equipment. Thanks to this, this backhoe loader is capable of moving independently at a speed of no more than 32 kilometers per hour, which is, in principle, a good indicator.

The standard equipment of the DEM-114 backhoe loader includes a comfortable cabin with panoramic glazing, a two-speed pantograph-type windshield wiper, a windshield washer, and four headlights. It is worth noting that before launching into mass production, the equipment’s cabin was modified, as a result of which the free space increased by 27 centimeters, which also has a positive effect on work comfort.

All working parts of the machine (front loading and rear excavator equipment) were manufactured using high-strength alloy steel. During their manufacturing process, advanced semi-automatic welding technology based on argon and carbon dioxide was also used. Thanks to this, these elements are characterized by an increased margin of safety and high resistance to various environmental influences, which ensures long-term operation. The hinge joints are equipped with durable bushings made of hardened bronze and metal-plastic. The production of bushings used in this backhoe loader is carried out by the Swedish company SKF. The design of the working equipment is similar in design to similar foreign-made models.

In addition to standard equipment, the manufacturer offers many different additional units that significantly expand the scope of application. Thus, the DEM-114 backhoe loader can be equipped with:

1. Several options for the frontal jaw bucket.
2. Several variants of the conventional frontal bucket.
3. Front forks, which are installed using a special adapter plate.
4. Front rotating blade designed for snow removal.
5. Bulldozer front blade.
6. An excavator bucket of the backhoe type (there are several varieties of this tool, differing in their capacity).
7. Additional hydraulic line allowing the use of driven equipment.
8. Hydraulic breaker.
9. Hydraulic drill.

This model uses the basic wheeled chassis of the MTZ-82.2 agricultural tractor. Thanks to this, material costs for maintenance were reduced, since most of the components of various machines produced by the Minsk Tractor Plant can be used. And, as you know, they are quite widespread, due to which all parts and spare parts have a fairly affordable cost. Moreover, now you can easily find the necessary spare part at a disassembly site. According to this indicator, the domestic model is significantly superior to its foreign counterparts, since the cost of their repairs is several times more expensive.

DEM-114 is equipped with a diesel four-cylinder unit, which is also used in the MTZ-82.2 agricultural tractor. The engine is equipped with a direct fuel injection system, which allows it to develop fairly high operating power at low crankshaft speeds. Thus, fuel consumption is reduced and at the same time very excellent performance is achieved. In addition, operation at low speed also has a great effect on the reliability of the unit, which in turn ensures an increased service life.

In general, this backhoe loader turned out to be a fairly unpretentious and convenient piece of equipment, both in terms of control and maintenance. Moreover, it has many distinctive qualities, namely high maintainability, affordable cost, high versatility, excellent performance, increased level of comfort, and cost-effectiveness. All these advantages made the equipment very popular on the Russian market.