Platform chassis of extended-range hybrid mine truck

Abstract

The utility model discloses a platform chassis of an extended-range hybrid mine truck. The platform chassis comprises a frame, a radiating intercooler, a range extender, a driving system, an air filter, a silencer and power fuel equipment, the range extender comprises an engine and a generator of which the displacement adapts to the power fuel equipment, and the engine works to drive the generator to generate electricity; the heat dissipation intercooler is matched with the maximum heat dissipation amount required by the power fuel of the power fuel equipment to dissipate heat of the range extender; a water return port and a water outlet of the engine are respectively communicated with a radiator of the heat dissipation intercooler, an air inlet of the engine, an intercooler of the heat dissipation intercooler and an air filter serving as an air inlet component are communicated, and an exhaust port of the engine is connected with a silencer to eliminate noise. The range extender is subjected to heat dissipation, temperature reduction, noise reduction and the like, the strength of the frame and the balance of the whole vehicle are guaranteed through reasonable layout, and the range extender can adapt to development of range-extending hybrid mining vehicles with various power fuels, so that the development period is shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of range extending hybrid mining truck, specifically, it is a range extending hybrid mining truck platform chassis. BACKGROUND

[0002] For the mining truck, developing a range extending hybrid vehicle model, the chassis layout is very important for the whole vehicle, compared with the conventional pure electric vehicle model, in addition to arranging the existing parts on the chassis, there is also a set of range extender system, which greatly increases the difficulty of the whole vehicle chassis layout, the range extender system has high noise during operation, and the heat dissipation of the range extender system cannot be guaranteed, and high temperature will affect the operation of the range extender system.

[0003] Moreover, the chassis layout of the range extending hybrid vehicle model developed in the existing market often only extends one kind of power fuel, such as diesel, methanol or LNG, and the three kinds of range extenders cannot be replaced with each other in the chassis layout, and it is impossible to quickly replace the existing developed chassis model according to the different power fuel needs of customers, and it is only possible to redevelop the chassis to match another kind of power fuel range extender, which not only increases the development cost, but also prolongs the development cycle, therefore, the platform chassis development is very important for the whole vehicle development. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a range extending hybrid mining truck platform chassis, which solves the technical problem that the range extender system added in the prior art is unreasonable in the whole vehicle chassis layout, and the whole vehicle chassis layout can only match one kind of power fuel extension and cannot realize generalization.

[0005] The utility model solves the above problems through the following technical scheme:

[0006] A range extending hybrid mining truck platform chassis, comprising: a vehicle frame, a heat dissipation intercooler, a range extender and a driving system located on the inner side of the vehicle frame and arranged on the vehicle frame, an air filter, a silencer and a power fuel equipment located on the outer side of the vehicle frame; the range extender comprises an engine and a generator with displacement adapted to the power fuel equipment, the engine drives the generator to generate electricity; the heat dissipation intercooler comprises a radiator and an intercooler, which matches the maximum heat dissipation required by the power fuel equipment of the power fuel, and is used for heat dissipation of the range extender; the water inlet and the water outlet of the engine are respectively connected with the radiator of the heat dissipation intercooler, the air inlet of the engine is connected with the intercooler of the heat dissipation intercooler, and the intercooler is connected with the air filter as an air inlet component, and the exhaust port of the engine is connected with the silencer to eliminate noise.

[0007] As a further improvement, a turbocharger is arranged between the intercooler of the heat dissipation intercooler and the air filter.

[0008] As a further improvement thereof, the engine has a displacement of 15L.

[0009] As a further improvement thereof, the range extender is arranged between the two front wheels, the power fuel device is arranged between the front wheels and the rear wheels and close to the rear wheels, the muffler is arranged between the front wheels and the rear wheels and close to the front wheels, and the drive system is arranged at a middle position between the front wheels and the rear wheels.

[0010] As a further improvement thereof, the heat dissipation intercooler is arranged right in front of the range extender, and a plurality of first fixing supports on both sides of the heat dissipation intercooler are connected and arranged with the frame.

[0011] And / or the air filter is arranged on the right side platform of the mine car, and a plurality of second fixing supports of the air filter are connected with the right side platform of the mine car.

[0012] As a further improvement thereof, the muffler is arranged right behind the range extender, fixed on the right side of the frame, and connected with the exhaust port of the engine through the exhaust pipe.

[0013] As a further improvement thereof, the drive system is arranged at a middle position of the frame, and the frame is connected through the suspension fixing points of the motor and the gearbox of the drive system, and the damping rubber pads.

[0014] And / or the range extender is arranged in front of the frame, at a middle position above the front axle of the frame, and the frame is connected through the four suspension fixing points of the range extender and the suspension damping rubber pads.

[0015] As a further improvement thereof, the power fuel device is arranged on the left side of the frame, and the third fixing support of the power fuel device is bolted and connected with the frame.

[0016] As a further improvement thereof, the frame is formed with not less than three fixing holes for mounting the power fuel device.

[0017] The fixing holes include a first fixing hole, a second fixing hole and a third fixing hole arranged in sequence, the positions of the first fixing hole and the second fixing hole are adapted to the mounting positions of the diesel tank or the methanol tank as the power fuel device, and the position of the third fixing hole is adapted to the mounting position of the LNG liquefied tank body as the power fuel device, so as to share the first fixing hole.

[0018] As a further improvement thereof, the third fixing support of the power fuel device is in the shape of "Ω", the lower part of the "Ω" shape is fixed with the power fuel device through screws, and the end of the bolt passes through the upper part of the "Ω" shape and cooperates with the fixing hole on the left side of the frame, so as to arrange the power fuel device outside the frame.

[0019] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0020] (1) The utility model discloses reasonable structure arrangement, and can adapt to the development of various power fuel range extending hybrid mining vehicles, thereby shortening development period and improving production efficiency.

[0021] Both diesel range extender and methanol range extender can be considered, and LNG range extender arrangement can also be considered, without needing to carry out new opening arrangement according to the difference of range extender power fuel, and can carry out quick replacement development on the vehicle model that has been developed, greatly shorten development period, complete whole vehicle design, thereby improving production efficiency.

[0022] (2) The utility model still carries out heat dissipation, cooling, noise reduction and other processing to the range extender, and guarantees the strength of the vehicle frame and the balance of the whole vehicle through reasonable layout. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the installation schematic view of the range extending hybrid mining vehicle platform chassis of the utility model;

[0024] Figure 2 It is the structure schematic view of the range extender of the utility model;

[0025] Figure 3 It is the schematic view of the fixed hole position of the power fuel equipment of the utility model;

[0026] Figure 4 It is the cooperation principle drawing of each import and export of the engine and the heat dissipation intercooler of the utility model.

[0027] Reference signs: 1, heat dissipation intercooler;2, air filter;3, silencer;4, power fuel equipment;401, third fixed support;402, diesel tank or methanol tank;403, LNG liquefied tank body;5, range extender;501, backwater inlet;502, water outlet;503, air inlet;504, exhaust port;6, driving system;7, turbocharger. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] EMBODIMENT

[0030] In combination with the drawings, Figures 1-4As shown, a range-extended hybrid mining vehicle platform chassis comprises: a vehicle frame, a heat dissipation intercooler 1, a range extender 5 and a drive system 6 located on the inside of the vehicle frame and arranged on the vehicle frame, an air filter 2, a muffler 3 and a power fuel device 4 located on the outside of the vehicle frame,

[0031] The range extender comprises an engine and a generator, and the engine drives the generator to generate electricity;

[0032] The heat dissipation intercooler 1 comprises a radiator and an intercooler, which matches the maximum heat dissipation required by the power fuel of the power fuel device and is used for heat dissipation of the range extender; the water outlet 501 of the engine is connected to the radiator of the heat dissipation intercooler 1 through a rubber tube, the water inlet 502 of the engine is connected to the radiator of the heat dissipation intercooler 1 through a rubber tube, so as to cool the water through the radiator; the air inlet 503 of the engine is connected to the intercooler of the heat dissipation intercooler 1 through a rubber tube, the air inlet of the turbocharger 7 is connected to the air filter 2 through a rubber tube, and the air outlet of the turbocharger 7 is connected to the intercooler through a rubber tube, so that the gas entering from the air filter 2 is compressed by the turbocharger and then cooled by the intercooler of the heat dissipation intercooler 1, and then enters the engine through the air inlet of the engine; the exhaust port 504 of the engine is connected to the muffler 3 through an exhaust pipe to eliminate noise. Of course, the turbocharger can also not be provided, which is a preferred mode.

[0033] Specifically, the heat dissipation intercooler 1 is arranged in front of the range extender 5 for heat dissipation of the engine of the range extender 5, and the four first fixed supports on both sides of the heat dissipation intercooler 1 are connected to the vehicle frame through bolts to ensure the stability thereof;

[0034] The air filter 2 is an air inlet component of the range extender 5 and is connected to the range extender 5 through an air inlet pipe, i.e., a rubber tube, and provides fresh air for engine combustion; preferably, the air filter 2 is arranged on the right side platform of the mining vehicle and is connected to the right side platform of the mining vehicle through a second fixed support by bolts;

[0035] The muffler 3 is arranged at the right rear of the range extender and is fixed to the right side of the vehicle frame, is connected to the exhaust port of the engine through an exhaust pipe, and is used for reducing the exhaust noise during engine operation;

[0036] The drive system 6 is arranged at the middle position of the vehicle frame, is connected to the vehicle frame through the suspension fixing points of the motor and the gearbox in the drive system 6 and the damping rubber pads, and is usually arranged at an angle due to the angle of the input shaft of the middle axle of the vehicle frame.

[0037] The range extender 5 is arranged at the front of the vehicle frame and is arranged centrally above the front axle of the vehicle frame and is connected to the vehicle frame through the four suspension fixing points of the range extender and the suspension damping rubber pads.

[0038] The power fuel device 4 is arranged on the left side of the frame and is bolted to the frame by a third fixing support 401.

[0039] Further, the range extender 5 is arranged between the two front wheels, the power fuel device 4 is arranged between the front wheels and the rear wheels and close to the rear wheels, the muffler 3 is arranged between the front wheels and the rear wheels and close to the front wheels, and the drive system 6 is arranged between the front wheels and the rear wheels and at a middle position, so as to ensure the strength and balance of the frame by staggered arrangement.

[0040] In the embodiment, the power fuel device 4 can select a diesel tank, a methanol tank or an LNG liquefied tank according to requirements, so as to arrange the diesel range extender, the methanol range extender and the LNG range extender, without re-planning the layout according to different power fuels of the range extender; only the layout of the three power fuel range extenders on the chassis needs to be planned in advance, so as to realize generalization, when one power fuel range extender hybrid mining vehicle is developed, if another power fuel range extender hybrid mining vehicle is needed by other customers, the rapid replacement development can be realized on the developed power fuel range extender hybrid mining vehicle, the development cycle is greatly shortened, the whole vehicle design is completed, the needs of customers can be met in time, and the operation cycle is shortened.

[0041] At present, the range extender hybrid mining vehicle models on the market are basically the same in three electric systems, and the difference is often in the power fuel used by the range extender; the range extender hybrid vehicles developed on the market are not more than three power fuels, one is diesel as the range extender fuel, one is methanol as the range extender fuel, and one is LNG as the range extender fuel; therefore, to realize the chassis platform, the three power fuel range extenders and the auxiliary subsystems need to be well planned.

[0042] For the three range extenders, how to be platformized, the same displacement engine can be selected, i.e. the displacement of the engine is preferably 15L; because for the same displacement engine, the engine shell is generally the same, and the fixed point is the same position, so the suspension fixed point positions of the three range extenders can be kept consistent, and the range extender arrangement platformization is achieved; and for the range extender engine's auxiliary subsystem, including: cooling system, intake and exhaust system and supply system, first, for the cooling system, i.e. the heat dissipation intercooler 1, because the same displacement engine is selected, the difference in cooling system heat dissipation demand is not very large, so the heat dissipation intercooler can be matched according to the largest heat dissipation demand among the three power fuels, the heat dissipation intercooler 1 installation position is determined, and the three range extenders are considered, at this time, only the rubber pipe connecting the range extender 5 and the heat dissipation intercooler 1 needs to be redesigned, i.e. the cooling system platformization arrangement is achieved; for the intake and exhaust system including air filter 2 and muffler 3, etc., the same air filter 2 and muffler 3 can also be selected, so that the three power fuel range extenders are universal, the installation positions are consistent, and only the intake and exhaust pipes need to be redesigned, i.e. the intake and exhaust system platformization arrangement is achieved; and for the supply system, i.e. the power fuel equipment 4, the diesel range extender uses diesel as fuel, the methanol range extender uses methanol as fuel, and the LNG range extender uses liquefied LNG as fuel, the containers of the three fuels are diesel tank, methanol tank and LNG liquefied tank, and the platformization arrangement of the three medium containers is good, the chassis platformization can also be realized, the sizes of the diesel tank and the methanol tank are similar, the fixed hole positions can be made consistent during design, and the two containers can be installed by replacing each other, for the LNG liquefied tank, the LNG liquefied tank body size is relatively long, and cannot completely borrow the fixed hole positions of the diesel tank or the methanol tank, one set of hole positions can be designed during design, and the other set of hole positions is reserved in advance in the frame, so that the three medium container platformization is achieved; the range extender system platformization is good, and the chassis platformization is achieved.

[0043] The left side of the frame is formed with not less than three fixed holes for installing the power fuel equipment 4, at least including a first fixed hole, a second fixed hole and a third fixed hole arranged in sequence, the positions of the first fixed hole and the second fixed hole are adapted to the installation positions of the diesel tank or the methanol tank 402, and the position of the third fixed hole is adapted to the installation position of the LNG liquefied tank body 403, so as to platformize the installation positions of the power fuel equipment 4 by sharing the first fixed hole.

[0044] As preferred, the third fixed support 401 of the power fuel equipment 4 is in the form of "Ω", the lower part of the "Ω" structure is fixed with the LNG liquefied tank body, the diesel tank or the methanol tank through a screw, and the end of the bolt passes through the upper part of the "Ω" structure and cooperates with the fixed hole on the left side of the frame, so as to set the power fuel equipment 4 on the outside of the frame.

[0045] The utility model discloses a kind of range extending hybrid mine vehicle platform chassis, both can give consideration to diesel range extender and both can give consideration to methanol range extender also can give consideration to LNG range extender arrangement, without according to range extender power fuel different reissue opening arrangement;Only need to plan three kinds of power fuel range extender in advance on the arrangement of chassis, reach generalization, when one kind of power fuel range extending hybrid vehicle type development is completed, if other customers have another kind of power fuel range extending hybrid vehicle type, it can be quickly replaced development on the vehicle type that has been developed, greatly shorten development cycle, complete whole car design, to improve production efficiency.

[0046] Although the utility model is described herein with reference to the explanatory embodiments of the utility model, the above-mentioned embodiments are only the preferred implementation of the utility model, and the implementation of the utility model is not limited by the above-mentioned embodiments, and it should be understood that the skilled in the art can design many other modifications and implementations, which will fall within the scope and spirit of the principles disclosed in the present application.

Claims

1. A range-extended hybrid mining truck platform chassis, characterized in that, The mining truck comprises a frame, a heat-dissipation intercooler, a range extender and a driving system arranged on the frame, an air filter, a muffler and a power fuel device arranged outside the frame; The range extender comprises an engine and a generator, and the engine drives the generator to generate electricity; The heat-dissipation intercooler comprises a radiator and an intercooler, and is adapted to the maximum heat dissipation required by the power fuel device, and is used for dissipating heat of the range extender; The water inlet and the water outlet of the engine are connected with the radiator of the heat-dissipation intercooler, the air inlet of the engine is connected with the intercooler of the heat-dissipation intercooler, and the air inlet of the engine is connected with the air filter as an air inlet component through the intercooler, and the air outlet of the engine is connected with the muffler to eliminate noise.

2. The range-extended hybrid mining vehicle platform chassis of claim 1, wherein, The intercooler of the heat-dissipation intercooler is provided with a turbocharger between the intercooler and the air filter.

3. The range-extended hybrid mining vehicle platform chassis of claim 1, wherein, The engine has a displacement of 15L.

4. The platformized chassis for the extended-range hybrid mining vehicle of any one of claims 1-3, wherein, The range extender is arranged between the two front wheels, the power fuel device is arranged between the front wheels and the rear wheels and close to the rear wheels, the muffler is arranged between the front wheels and the rear wheels and close to the front wheels, and the driving system is arranged at a middle position between the front wheels and the rear wheels.

5. The range-extended hybrid mining vehicle platform chassis of claim 4, wherein, The heat-dissipation intercooler is arranged in front of the range extender, and a plurality of first fixing supports on both sides of the heat-dissipation intercooler are connected and mounted with the frame. The air filter is arranged on the right side platform of the mining truck, and a plurality of second fixing supports of the air filter are connected with the right side platform of the mining truck.

6. The range-extended hybrid mining vehicle platform chassis of claim 4, wherein, The muffler is arranged at the right rear of the range extender, is fixed on the right side of the frame, and is connected with the air outlet of the engine through an exhaust pipe.

7. The range-extended hybrid mining vehicle platform chassis of claim 4, wherein, The driving system is arranged at a middle position of the frame, and is connected with the frame through suspension fixing points of a motor and a gearbox of the driving system and a damping rubber pad. The range extender is arranged at a front position of the frame, is arranged at a middle position above a front axle of the frame, and is connected with the frame through four suspension fixing points of the range extender and a suspension damping rubber pad.

8. The range-extended hybrid mining vehicle platform chassis of claim 4, wherein, The power fuel device is arranged on the left side of the frame, and is connected with the frame through a third fixing support of the power fuel device by bolts.

9. The range-extended hybrid mining vehicle platform chassis of claim 8, wherein, The frame is formed with not less than three fixing holes for mounting the power fuel device. The fixing holes comprise a first fixing hole, a second fixing hole and a third fixing hole arranged in sequence, positions of the first fixing hole and the second fixing hole are adapted to mounting positions of a diesel tank or a methanol tank as the power fuel device, and a position of the third fixing hole is adapted to a mounting position of an LNG liquefied tank body as the power fuel device to share the first fixing hole.

10. The range-extended hybrid mining vehicle platform chassis of claim 8, wherein, The third fixing support of the power fuel device has an "Ω" structure, a lower portion of the "Ω" structure is fixed with the power fuel device by screws, and one end of a bolt passes through an upper portion of the "Ω" structure to be matched with the fixing hole on the left side of the frame, so that the power fuel device is arranged outside the frame.

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