RU16383U1 - INTERNAL COMBUSTION DIESEL ENGINE - Google Patents

Abstract

1. A V-shaped internal combustion diesel engine comprising a cylinder block, a front cylinder block cover with a front crankshaft collar, a front support bracket, a crankshaft having an aggregate drive pulley and an oil pump drive gear on the front toe and a rear oil pump gear flywheel, lubrication system with oil sump, oil pump, oil filler pipe, oil dipstick, centrifugal oil filter, oil filter and oil channels, fuel supply system with manual fuel a suction pump, a regulator control drive and a fuel filter, a cooling system having a water pump, a fan and a water pump drive, a fan drive clutch, a fan wheel, a water box, a connection of the intake manifold pipe to a charge air cooler, a crankcase ventilation system, a generator that the front end of the cylinder block is made with additional and modified oil channels, with additional boring and mounting holes for installing the axis in between gears, with the upper sealing surface raised to the collapse of the cylinder block and with mounting holes extended for the centrifugal filter outside the sealing surface, the front cover of the cylinder block is made with the upper sealing surface raised to the collapse of the engine and mounting holes, with additional bores for installing the fan drive coupling, the water pump and the front cuff housing, an additional gear of the fan drive is installed on the front toe of the crankshaft and

Description

INTERNAL COMBUSTION DIESEL ENGINE

The utility model relates to the field of engine building, namely to the production of tractor diesel internal combustion engines (ICE).

Known diesel ICE 6V396TC-4 company MTU (Germany), which is installed on industrial tractors T-25.01 manufactured by JSC "Promtractor Cheboksary. 1

The engine compartment of the tractors is designed and manufactured for the 6V396TC-4 engine, however, the operational characteristics of this engine (specific fuel consumption at rated power of 164 g / h.p., as well as the high cost of engines and spare parts delivered to spare parts, do not allow efficient use tractors in Russia.

The YaMZ8424.10-03 diesel engine of liquid cooling is also known, manufactured by the Tutaevsky Motor Plant, the operational characteristics of which meet the modern requirements of the economy of an engine of this purpose (specific fuel consumption is minimum - 149 g / s.s.ch., at rated power - 162 g / h.p., relative oil consumption for waste - 0.3% of fuel consumption). 2 3. This engine is closest in combination of essential features with the claimed utility model and is selected as a prototype.

The YaMZ-8424.10-03 engine has a figurative block of cylinders on which all components, parts and systems of the engine are hung and mounted. At the front end of the cylinder block, a front cover with a front cuff of the crankshaft is installed. The front support bracket is attached to the front cover. A crankshaft is installed in the bore of the cylinder block, on the front toe of which the drive pulley of the units and the gear wheel of the oil pump drive are installed, and the flywheel on the back. On the cylinder block, cylinder heads with intake and exhaust manifolds and hoods are attached. The engine is equipped with a lubrication system containing an oil sump, an oil pump, an oil filler pipe located in front of the head of the first cylinder, an oil dipstick whose outer end is outside the outer dimensions of the front of the engine, a centrifugal oil filter installed on the fan drive fluid coupling housing, an oil filter with caps down, oil channels connecting the nodes and aggregates of the system, a fuel supply system having a high pressure fuel pump (TNVD) with a manual fuel pump installed on it pump, a regulator control drive mounted on the left intake manifold, a fuel filter mounted on the front end of the right intake manifold, a cooling system comprising a water pump with an impeller installed on the rear end of the roller, a fan drive fluid coupling, a water pump and a belt drive with tensioner devices, fan impeller, cooling cavities in the cylinder block, water box, designed to install thermostats, intake manifold pipe and oh aditelem charge air interconnected sleeve crankcase ventilation system with one

IPC 7 F 02 at 75/22

a breather located in front of the collapse of the cylinder block, a belt driven generator from the hydraulic clutch pulley.

The disadvantage of this engine is the impossibility of its installation in the engine compartment of the T-25.01 tractor without changing its design, the insufficient reliability of some components and assemblies in conditions of high forces, as well as the inconvenient location of individual components for maintenance during operation of the tractor.

The problem solved by the claimed utility model is the installation, installation, ensuring reliable operation in conditions of high forces and ease of maintenance during operation of a modern, economical engine in the engine compartment of the T-25.01 tractor with all the functionality of the specified equipment.

The essence of the claimed model is that:

the cylinder block is made with modified oil channels at the front end for supplying and draining oil from a centrifugal oil purification filter, with additional boring and mounting holes for installing the axis of the intermediate gear of the fan drive and the water pump, with the upper sealing surface raised to the collapse of the cylinder block and fixing threads holes, with an additional oil channel for supplying oil to the axis of the intermediate gear, with fixing holes for the mouth made outside the sealing surface new centrifugal filters to improve the reliability of the fan drive and the water pump;

the front cover of the cylinder block is made with the upper sealing surface raised to the collapse of the engine and mounting holes and has additional bores for installing the fan drive clutch and the water pump, as well as a flange and a bore for installing the front crankshaft casing to increase the reliability of the fan drive and water pump ;

the front cuff of the crankshaft is installed in the front cover of the cylinder block through an additional housing in order to improve the maintainability of the engine;

the front engine mount bracket is made with increased deflection of the concave part to facilitate access to the belt drive during maintenance and installation of the front engine mount beam;

the engine crankshaft has an additional gear of the fan drive and the water pump on the front toe in order to increase the reliability of the fan drive and the water pump; the outer end of the flywheel is located inside the crankcase of the engine flywheel for the convenience of mounting the leading coupling half; the oil sump contains a drain valve (in the prototype, a drain plug, which is inconvenient to use), which provides ease of maintenance when changing the oil, a minimum oil level sensor, which makes the engine easy to operate, and a heat exchanger for preheating oil with hot water from the heater, which makes the engine easy to operate in winter time; f d p n the gear oil pump is made with an increased length of the main gears to ensure the reliability of the engine at high forces; an oil filler pipe and an oil dipstick are located in front of the engine in front of the right exhaust manifold for the purpose of ease of maintenance of the engine lubrication system; a centrifugal oil filter is installed in front of the left row of the cylinder block for ease of maintenance; the oil filter is installed with caps up, along the inclined wall of the cylinder block, for the purpose of ease of maintenance of the engine lubrication system; a manual fuel priming pump is installed at the rear on the left intake manifold and is connected to the high-pressure pump by a pipe for the purpose of convenient maintenance of the engine fuel system; the regulator control drive is installed on the right intake manifold for the convenience of installation; the fuel filter is mounted on the left intake manifold and has a drain valve for the convenience of maintenance of the engine fuel system; the water pump is driven by gears; the water pump is made with an impeller on the front toe of the roller and the gear of the drive on the rear toe of the roller in order to ensure the reliability of the drive of the water pump and the engine cooling system as a whole; the fan drive is carried out using gears using a friction clutch to ensure the reliability of the fan drive; the fan impeller is made with an increased outer diameter and width of the blades in order to ensure the required air flow rate to increase the reliability of the engine cooling system and the tractor hydraulic system; the water box is made with an additional flange for connecting the transmission oil cooling radiator to ensure the reliability of the tractor hydraulic system; the connection of the intake manifold pipe and the charge air cooler is carried out by an air damper with a manual and electromagnetic drive in order to facilitate the operation of the tractor and protect the engine in emergency situations; an additional breather of the crankcase ventilation system is installed on the cylinder head cover to improve the operation of the crankcase ventilation system; the generator is installed in front of the engine in front of the cylinder head of the right row and has a belt drive directly from the crankshaft pulley in order to facilitate access to the generator and belt drive during maintenance. In FIG. 1 shows a front view of the inventive engine; on the . 2 shows a side view of the engine (left); in FIG. Figure 3 shows a side view of the hammer (right); in FIG. 4 shows a diagram of a single gear fan drive and a water pump; in FIG. 5 azana oil drive circuit

a pump; in FIG. 6 shows a longitudinal section through a water pump; FIG. 7 shows a front view of the cylinder block; in FIG. 8 shows a view of the front cover.

Diesel two contains a cylinder block 1, in the bore of which a crankshaft is installed 2. On the front toe of the crankshaft, a generator drive pulley 3 and an oil pump drive gear 4 are installed. The cylinder block 1 is made with modified oil valves 5, b, 7, for supplying and draining oil from a centrifugal oil filter, a bore 8 and mounting holes 9 for installing the axis of the intermediate gear 10, with the upper sealing surface 11 raised to the collapse of the cylinder block and the mounting threaded holes 12, with an additional oil channel 13 for supplying oil to the axis of the intermediate gear and fastening holes 14 extended beyond the sealing surface for installing the centrifugal filter 15. The front cover 16 of the block the cylinders are made with the upper sealing surface 17 raised to the collapse of the cylinder block and the mounting holes 18 and 19 and have additional bores 20 and 21 for installing the drive clutch 22 of the fan and the water pump 23, as well as a flange 24 and a bore 25 for installing the case 26 of the front cuff 27 crankshaft 2. The bracket of the front support 28 is made with increased deflection of the concave part. An additional gear 29 of the fan drive and the water pump is mounted on the front toe of the crankshaft 2. The flywheel 30 of the engine is designed so that its outer end is located inside the flywheel housing. An oil sump 31 is installed on the cylinder block 1, which has a drain valve 32, a minimum oil level sensor 33, and a heat exchanger 34 for preheating the oil. The gear oil pump 35 is made with an increased length of the main gears 36. The oil filler pipe 37 and the oil dipstick 38 are installed in the front of the engine in front of the right exhaust manifold 39. A centrifugal oil filter 15 is located in the front of the left row of the cylinder block 1. The oil filter 40 is installed with caps 41 up. A manual fuel priming pump 42 is mounted at the rear of the left intake manifold 43. The control actuator 44 is attached to the right intake manifold 45. The fuel filter 46 is located on the left intake manifold and has a drain valve 47. The water pump 23 has an impeller 49 on the front toe of the roller 48, and on the back, the drive gear 50. The fan drive is made from gear 29, through the intermediate gear 10 and the gear 51 of the friction clutch 22. The fan wheel 52 has an increased outer diameter and blades 53 with an increased width Oh. To the flange 54 of the water box 55, a transmission oil cooling radiator is connected. The connection of the intake manifold pipe 56 to the charge air cooler 57 is carried out with an air damper 58. An additional breather 59 of the crankcase ventilation system is mounted on the cylinder head cover 60. The generator 61 is installed in the front of the engine in front of the cylinder head of the right row and has a belt drive 62 directly from the pulley 3 of the crankshaft 2.

When the engine is installed in the engine compartment of the tractor, structural changes are made for the cylinder block 1, front cover 16, crankshaft 2 and

the gear drive of the clutch of the fan drive 22 and the water pump 23, consisting of gears 29, 10, 51 and 52, the use of the friction clutch 22 of the fan drive provide the required reliability of the fan drive and the water pump and reduce the complexity of maintenance (TO). The modified design of the bracket 28 of the front support and the flywheel 30 facilitates the installation of the beam of the front support and half coupling couplings when mounting the engine. The oil sump 31 is located deep in the tractor frame, so the drain valve 32 and the minimum oil level sensor 33 provide easy maintenance and operation of the engine lubrication system, and the oil preheater 34 provides oil heating and facilitates engine starting at low temperatures. By increasing the length of the main gears 36, the oil pump 35 delivers an increased amount of oil to the engine lubrication system, which improves the reliability and life of the engine at high boosts. The location of the oil filler pipe 37 and the oil dipstick 38 in the front of the engine in front of the right exhaust manifold, the centrifugal oil purification filter 15 in the front of the left row of the cylinder block, the oil filter 40 with the caps upward provide convenient maintenance and operation of the engine lubrication system. The installation of a manual fuel priming pump 42 and a fuel filter 46 with a drain valve 47 on the left intake manifold provide ease of maintenance and operation of the engine fuel system. The drive 44 of the control of the regulator mounted on the right intake manifold, simplifies the installation of the engine on the tractor. The gear drive of the water pump 23 ensures the reliability of the cooling system and the engine as a whole. The fan wheel 52 with an increased outer diameter and width of the blades provides the required amount of air to the radiators of the cooling system. A pipe for supplying coolant to the transmission oil cooling radiator (not shown) is attached to the flange 54 of the water box 55. Installing the air damper 58 with a manual and electromagnetic drive allows you to quickly stop the engine in emergency situations. Installing a breather 59 on the cylinder head cover 60 improves the operation of the crankcase ventilation system. The location of the generator 61 in the front of the engine in front of the cylinder head of the right row provides access to it when mounting the electrical circuit of the tractor and performing maintenance. Belt drive 62 of the generator directly from the pulley 3 of the crankshaft reduces the complexity of maintenance.

Sources of information:

1. JSC "Promtractor

“Industrial tractor T-25.01. Technical description and operating instructions Cheboksary, 1990

2. JSC "Tutaevsky Motor Plant

“Engines YaMZ-8421.10, YaMZ-8424.10, YaMZ-8424.10-01. Technical description and user manual Tutaev, 1996

Claims (2)

1. A V-shaped internal combustion diesel engine comprising a cylinder block, a front cylinder block cover with a front crankshaft collar, a front support bracket, a crankshaft having an aggregate drive pulley and an oil pump drive gear on the front toe and a rear oil pump gear flywheel, lubrication system with oil sump, oil pump, oil filler pipe, oil dipstick, centrifugal oil filter, oil filter and oil channels, fuel supply system with manual fuel a suction pump, a regulator control drive and a fuel filter, a cooling system having a water pump, a fan and a water pump drive, a fan drive clutch, a fan wheel, a water box, a connection of the intake manifold pipe to a charge air cooler, a crankcase ventilation system, a generator that the front end of the cylinder block is made with additional and modified oil channels, with additional boring and mounting holes for installing the axis in between gears, with the upper sealing surface raised to the collapse of the cylinder block and with mounting holes extended for the centrifugal filter outside the sealing surface, the front cover of the cylinder block is made with the upper sealing surface raised to the collapse of the engine and mounting holes, with additional bores for installing the fan drive coupling, the water pump and the front cuff housing, an additional gear of the fan drive is installed on the front toe of the crankshaft and water pump, the outer end of the flywheel is located inside the engine flywheel housing, the centrifugal oil filter is installed in front of the left row of the cylinder block, the oil filter is installed with caps up, along the inclined wall of the cylinder block, the water pump has an impeller and a drive gear on the front toe of the roller - rear toe, water pump driven by gears. 2. The diesel internal combustion engine according to claim 1, characterized in that the front cuff of the crankshaft is installed in the front cover through an additional housing, the front support bracket is made with increased deflection of the concave part, the oil sump contains a drain valve, a minimum oil level sensor and a heat exchanger for oil preheating, gear oil pump is made with an increased length of the main gears, oil filler pipe and oil dipstick are installed in front of the engine in front of the right outlet collector, a manual fuel priming pump is mounted on the left inlet manifold at the rear and connected to the injection pump, the regulator control drive is installed on the right inlet manifold, the fuel filter is installed on the left inlet manifold and has a drain valve, the fan is driven by gears and a friction-type drive coupling , the fan impeller is made with an increased outer diameter and width of the blades, the connection of the intake manifold pipe and charge air cooler It is equipped with an air damper with manual and electromagnetic drive, the water box is made with an additional flange for connecting the transmission oil cooling radiator, an additional breather of the crankcase ventilation system is installed on the cylinder head cover, the generator is installed in front of the engine in front of the right cylinder head, the belt drive of the generator is implemented directly from the crankshaft pulley.