Internal combustion hydraulic transmission power pack for rail engineering vehicles

Abstract

The present invention discloses an internal combustion hydraulic transmission power pack for rail engineering vehicles, comprising a power pack frame, an oil engine integrated in the power pack frame, a hydraulic transmission box, a composite radiator, a junction box, an air purification unit, a distribution valve air circuit board, a battery, a muffler, an air filter, and an air compressor. The internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention adopts integrated installation and modular design, and has the advantages of good interchangeability, saving under-vehicle space, and improving installation accuracy.

Description

Technical Field

[0001] The invention relates to the technical field of rail engineering vehicles, and in particular to an internal combustion hydraulic transmission power pack for rail engineering vehicles. Background Art

[0002] Railway engineering vehicles are usually composed of a power system, chassis, carport, bogie, and auxiliary devices or operating mechanisms. At present, the power system of railway engineering vehicles is usually dispersedly installed on the vehicle chassis, which has the following disadvantages:

[0003] 1. Inconvenient installation and takes up a lot of space;

[0004] 2. Low installation accuracy, the power system is prone to failure, and it is easy to cause vibration and impact to the vehicle during driving;

[0005] 3. The repair time required for failure is long and the repair cost is high.

[0006] In view of this, it is necessary to provide an integrated power system to solve the above technical problems. Summary of the invention

[0007] The technical problem to be solved by the present invention is to provide an internal combustion hydraulic transmission power pack for rail engineering vehicles, which adopts integrated installation and modular design and has the advantages of good interchangeability, saving under-vehicle space, and improving installation accuracy.

[0008] In order to solve the above problems, the technical solution of the present invention is as follows:

[0009] An internal combustion hydraulic transmission power pack for a rail engineering vehicle comprises a power pack frame, wherein the power pack frame comprises a group of longitudinal beams arranged oppositely, a group of transverse beams connected to the longitudinal beams and arranged oppositely, two diesel engine mounting seats symmetrically distributed on the two groups of transverse beams, two hydraulic transmission box mounting seats symmetrically distributed on the two groups of transverse beams, two radiator mounting seats symmetrically distributed on the two groups of longitudinal beams, a plurality of junction box mounting seats arranged on the side plates of the transverse beams and the longitudinal beams, an air purification unit mounting seat arranged on the lower surface of one of the longitudinal beams, a distribution valve air path plate mounting seat arranged on the side of one of the longitudinal beams, two groups of battery box beams arranged on one of the transverse beams, two battery mounting seats respectively welded under the battery box beams, a muffler mounting seat arranged between one of the battery box beams and the longitudinal beams, an air filter mounting seat arranged on the side of another battery box beam, and an air compressor mounting seat arranged on the lower surface of one of the longitudinal beams;

[0010] Two ends of the longitudinal beam are respectively provided with secondary shock absorbers, and each secondary shock absorber is connected to the bottom of the frame by bolts;

[0011] It also includes a diesel engine corresponding to the diesel engine mounting seat, a hydraulic transmission box mounted on the hydraulic transmission box mounting seat, a composite radiator mounted on the radiator mounting seat, a junction box mounted on the junction box mounting seat, an air purification unit mounted on the air purification unit mounting seat, a distribution valve gas plate mounted on the distribution valve gas plate mounting seat, a battery mounted on the battery mounting seat, a muffler mounted on the muffler mounting seat, an air filter mounted on the air filter mounting seat, and an air compressor mounted on the air compressor mounting seat;

[0012] The diesel engine and the hydraulic transmission box are combined to form a power unit of the power pack, and the power unit is connected to the corresponding diesel engine mounting seat and hydraulic transmission box mounting seat through a rubber shock absorber;

[0013] The power unit also includes a transfer case, which is connected to the pulley at the front end of the diesel engine through an elastic coupling and a transmission shaft, and is provided with multiple output ports to provide power for the air compressor and the oil pump.

[0014] Furthermore, the flywheel of the diesel engine is connected to the input end of the hydraulic transmission box by means of stud bolts.

[0015] Furthermore, the muffler and the air filter are installed on one side of the turbocharger of the diesel engine, and the composite radiator is installed on the other side of the turbocharger of the diesel engine.

[0016] Furthermore, the composite radiator includes an air cooling device and a water cooling device, the air cooling device includes at least two fans, and the fans are driven by a hydraulic motor; the water cooling device includes an expansion water tank installed above the hydraulic transmission box, and a cooling pipeline connected to the expansion water tank, and the cooling pipeline is connected to the diesel engine, the hydraulic transmission box and the hydraulic oil tank.

[0017] Furthermore, the battery is installed on the other side of the composite radiator and is located between the muffler and the air filter.

[0018] Furthermore, the air compressor is installed on one side of the transfer case, the pulley of the air compressor is connected to an output port on the transfer case through a belt, the air outlet of the air compressor is connected to the air purification unit through an air pipeline, and the air outlet of the air purification unit supplies air to the entire vehicle through a rubber hose.

[0019] Furthermore, the distribution valve air circuit board is connected to the vehicle braking system pipeline by a rubber hose.

[0020] Furthermore, the junction box is installed at the connection between the crossbeam and the longitudinal beam, and the wiring harness of the diesel engine, the composite radiator, the distribution valve air circuit board, and the air purification unit are integrated on the junction box.

[0021] Furthermore, the junction box is provided with an aviation plug interface, which is connected to the electrical system of the entire vehicle.

[0022] Compared with the prior art, the internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention has the following beneficial effects:

[0023] 1. The internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention adopts two-stage shock absorption, which can effectively alleviate the impact and vibration of the power pack on the vehicle.

[0024] Second, the internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention is plug-in-connected with the electrical system of the whole vehicle, and the interchange operation is simple and fast; the air system is connected to the air system of the whole vehicle by a rubber hose, which is convenient for disassembly and assembly; the diesel engine oil supply pipeline is set in the power pack transfer case, which can be quickly disassembled and assembled; the power pack and the frame are connected by bolts, which can also achieve quick disassembly and assembly. Therefore, the internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention has the characteristics of good interchangeability.

[0025] 3. The internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention not only integrates the power transmission system, but also inherits the relevant components of the air source system of the rail vehicle braking system, which greatly improves the modularization and integration of the vehicle, not only facilitates the inspection and maintenance of the whole vehicle, but also saves the research and development progress and reliability of new products. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some implementation cases of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a schematic structural diagram of an internal combustion hydraulic transmission power pack for a rail engineering vehicle provided by the present invention;

[0028] Figure 2 yes Figure 1 The structural schematic diagram of an internal combustion hydraulic transmission power pack for a rail engineering vehicle shown in one angle;

[0029] Figure 3 yes Figure 1 The schematic diagram of the structure of the internal combustion hydraulic transmission power pack for rail engineering vehicles shown in FIG.

[0030] Figure 4 yes Figure 1 The schematic diagram of the structure of the internal combustion hydraulic transmission power pack for rail engineering vehicles from a third angle is shown;

[0031] Figure 5 yes Figure 1 The schematic diagram of the structure of the internal combustion hydraulic transmission power pack for rail engineering vehicles shown in the fourth angle;

[0032] Figure 6 yes Figure 1 The fifth angle structural diagram of the internal combustion hydraulic transmission power pack for rail engineering vehicles shown in FIG.

[0033] Figure 7 yes Figure 1 The schematic diagram of the structure of the power pack frame in the internal combustion hydraulic transmission power pack for rail engineering vehicles shown in FIG.

[0034] Figure 8 yes Figure 7 A schematic structural diagram of the power pack frame from another angle;

[0035] Fig. 9 yes Figure 1 The schematic diagram of the structure of the power unit in the internal combustion hydraulic transmission power pack for rail engineering vehicles shown;

[0036] Fig.10 yes Fig. 9 A schematic structural diagram of the power unit from another angle;

[0037] Fig.11 yes Figure 1 The schematic diagram of the structure of the transfer case in the internal combustion hydraulic transmission power pack for rail engineering vehicles shown;

[0038] Fig.12 yes Fig.11 A schematic structural diagram of the transfer case from another angle;

[0039] Fig.13 yes Figure 1 The diagram shows the structure of a composite radiator in an internal combustion hydraulic transmission power pack for a rail engineering vehicle. DETAILED DESCRIPTION

[0040] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention and to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings.

[0041] It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each embodiment of the present invention described below can be combined with each other as long as there is no conflict between them.

[0042] Please refer to Figure 1-Figure 6 ,in Figure 1It is a schematic structural diagram of an internal combustion hydraulic transmission power pack for a rail engineering vehicle provided by the present invention; Figure 2 yes Figure 1 The structural schematic diagram of an internal combustion hydraulic transmission power pack for a rail engineering vehicle shown in one angle; Figure 3 yes Figure 1 The schematic diagram of the structure of the internal combustion hydraulic transmission power pack for rail engineering vehicles shown in FIG. Figure 4 yes Figure 1 The schematic diagram of the structure of the internal combustion hydraulic transmission power pack for rail engineering vehicles from a third angle is shown; Figure 5 yes Figure 1 The schematic diagram of the structure of the internal combustion hydraulic transmission power pack for rail engineering vehicles shown in the fourth angle; Figure 6 yes Figure 1 The internal combustion hydraulic transmission power pack for rail engineering vehicles 100 provided by the present invention comprises a power pack frame 1, a diesel engine 2 arranged on the power pack frame 1, a hydraulic transmission box 3, a composite radiator 4, a junction box 5, an air purification unit 6, a distribution valve air circuit board 7, a battery 8, a muffler 9, an air filter 10, and an air compressor 11.

[0043] Please refer to Figure 7 and Figure 8 ,in Figure 7 yes Figure 1 The schematic diagram of the structure of the power pack frame in the internal combustion hydraulic transmission power pack for rail engineering vehicles shown in FIG. Figure 8 yes Figure 7 The power pack frame 1 comprises a set of longitudinal beams 101 arranged opposite to each other, a set of cross beams 102 connected to the longitudinal beams 101 and arranged opposite to each other, two diesel engine mounting seats 103 symmetrically distributed on the two sets of cross beams, two hydraulic transmission box mounting seats 104 symmetrically distributed on the two sets of cross beams, two radiator mounting seats 105 symmetrically distributed on the two sets of longitudinal beams, a plurality of junction box mounting seats 106 arranged on the side panels of the cross beams 102 and the longitudinal beams 101, an air purification unit mounting seat 107 arranged on the lower surface of one of the longitudinal beams, and a plurality of wiring box mounting seats 108 arranged on the lower surface of one of the longitudinal beams. There are a distribution valve air circuit plate mounting seat 108 on the side of a longitudinal beam, two sets of battery box beams 109 arranged on one of the cross beams, two battery mounting seats 1010 respectively welded under the battery box beams 109, a muffler mounting seat 1011 arranged between one of the battery box beams 109 and the longitudinal beam 101, an air filter mounting seat 1012 arranged on the side of the other battery box beam 109, an air compressor mounting seat 1013 arranged on the lower surface of one of the longitudinal beams, and a transfer case mounting seat 1014 arranged on one side of the longitudinal beam.

[0044] There are two longitudinal beams 101, and two secondary shock absorbers 12 are respectively arranged at both ends of each longitudinal beam, and each secondary shock absorber 12 is connected to the bottom of the frame by bolts. Specifically, each secondary shock absorber is provided with 8 mounting holes.

[0045] The longitudinal beam 101 and the cross beam 102 have basically the same structure, both of which are box beams formed by welding steel plates, and are shaped like a "J". The two longitudinal beams 101 are arranged in parallel, and the two cross beams 102 are arranged in parallel, and the combination of the two is used to bear the entire weight of the power integration device; among them, the cross beam 102 mainly bears the weight of the diesel engine and the hydraulic transmission box.

[0046] Corresponding to the structure of the power pack frame 1, the diesel engine 2 is installed on the diesel engine mounting seat 103, the hydraulic transmission box 3 is installed on the hydraulic transmission box mounting seat 104, the composite radiator 4 is installed on the radiator mounting seat 105, the junction box 5 is installed on the junction box mounting seat 106, the air purification unit 6 is installed on the air purification unit mounting seat 107, the distribution valve air circuit plate 7 is installed on the distribution valve air circuit plate mounting seat 108, the battery 8 is installed on the battery mounting seat 109, the muffler 9 is installed on the muffler mounting seat 1011, the air filter 10 is installed on the air filter mounting seat 1012, and the air compressor 11 is installed on the air compressor mounting seat 1013.

[0047] Please refer to Figures 9 to 12 ,in Fig. 9 yes Figure 1 The schematic diagram of the structure of the power unit in the internal combustion hydraulic transmission power pack for rail engineering vehicles shown; Fig.10 yes Fig. 9 A schematic structural diagram of the power unit from another angle; Fig.11 yes Figure 1 The schematic diagram of the structure of the transfer case in the internal combustion hydraulic transmission power pack for rail engineering vehicles shown; Fig.12 yes Fig.11 The schematic diagram of the structure of the transfer case from another angle is shown. In the present invention, the diesel engine 2 and the hydraulic transmission case 3 are combined to form a power unit (not numbered) of the power pack, and the power unit is connected to the corresponding diesel engine mounting seat 103 and the hydraulic transmission case mounting seat 104 through a rubber shock absorber. The power unit also includes a transfer case 14, which is connected to the pulley at the front end of the diesel engine 2 through an elastic coupling 141 and a transmission shaft 142, and is provided with multiple output ports to provide power for the air compressor and the oil pump.

[0048] In this embodiment, the flywheel of the diesel engine 2 is connected to the input end of the hydraulic transmission box 3 by stud bolts, and the flywheel housing of the diesel engine is connected to the transmission housing by bolts.

[0049] Please refer to Fig.13 ,yes Figure 1The structural schematic diagram of the composite radiator in the internal combustion hydraulic transmission power pack for rail engineering vehicles is shown. The composite radiator 4 is used to provide heat dissipation for the diesel engine coolant, the diesel engine supercharged air, the gearbox hydraulic transmission oil and the hydraulic oil of the hydraulic transmission box, and includes an air cooling device 401 and a water cooling device 402. The air cooling device 401 includes at least two fans driven by a hydraulic motor; the water cooling device 402 includes an expansion water tank 403 installed above the hydraulic transmission box 3, and a cooling pipeline 404 connected to the expansion water tank 403. The cooling pipeline 404 is connected to the diesel engine 2, the hydraulic transmission box 3 and the hydraulic oil tank, wherein the hydraulic oil tank is not part of the power pack integrated device of the present invention.

[0050] The junction box 5 is installed at the connection between the cross beam 102 and the longitudinal beam 101, and the wiring harnesses of the diesel engine 2, the composite radiator 4, the distribution valve air board 7, and the air purification unit 6 are integrated on the junction box 5. In addition, an aviation plug interface is arranged on the junction box 5 for connecting with the electrical system of the whole vehicle.

[0051] The distribution valve air circuit board 7 is connected to the vehicle brake system pipeline by a rubber hose, which can be easily replaced.

[0052] The muffler 9 and the air filter 10 are auxiliary components of the diesel engine and are installed on one side of the turbocharger of the diesel engine 2. The muffler 9, the bellows, the exhaust pipe and the fixed connectors form the exhaust system of the diesel engine 2; the air filter 10, the silicone tube, the intake pipe and the fixed connectors form the intake system of the diesel engine. The composite radiator 4 is installed on the other side of the turbocharger of the diesel engine 2.

[0053] The battery 8 is installed on the other side of the composite radiator 4 and is located between the muffler 9 and the air filter 10 to provide power for the diesel engine starter and the vehicle driving control system. In this embodiment, the battery 8 is placed in the battery box, that is, the battery box is directly connected and fixed to the battery mounting seat.

[0054] The air purification unit 6, the distribution valve air circuit board 7 and the air compressor 11 are the core components of the vehicle air brake system and are integrated on the power pack frame 1. The air compressor 11 is installed on one side of the transfer case 14. The pulley of the air compressor 11 is connected to an output port on the transfer case 14 through a belt to provide an air source for the vehicle air brake system. The air outlet of the air compressor 11 is connected to the air purification unit 6 through an air pipeline, and the air outlet of the air purification unit 6 supplies air to the vehicle through a rubber hose. The distribution valve air circuit board 7 is installed on the side of the longitudinal beam and is connected to the vehicle brake system pipeline with a rubber hose.

[0055] Compared with the prior art, the internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention has the following beneficial effects:

[0056] 1. The internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention adopts two-stage shock absorption, which can effectively alleviate the impact and vibration of the power pack on the vehicle.

[0057] Second, the internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention is plug-in-connected with the electrical system of the whole vehicle, and the interchange operation is simple and fast; the air system is connected to the air system of the whole vehicle by a rubber hose, which is convenient for disassembly and assembly; the diesel engine oil supply pipeline is set in the power pack transfer case, which can be quickly disassembled and assembled; the power pack and the frame are connected by bolts, which can also achieve quick disassembly and assembly. Therefore, the internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention has the characteristics of good interchangeability.

[0058] 3. The internal combustion hydraulic transmission power pack for rail engineering vehicles provided by the present invention not only integrates the power transmission system, but also inherits the relevant components of the air source system of the rail vehicle braking system, which greatly improves the modularization and integration of the vehicle, not only facilitates the inspection and maintenance of the whole vehicle, but also saves the research and development progress and reliability of new products.

[0059] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations made to these embodiments without departing from the principles and spirit of the present invention are still within the scope of protection of the present invention.

Claims

1. An internal combustion hydraulic transmission power pack for a rail engineering vehicle, characterized in that: The power pack frame includes a group of longitudinal beams arranged opposite to each other, a group of transverse beams connected to the longitudinal beams and arranged opposite to each other, two diesel engine mounting seats symmetrically distributed on the two groups of transverse beams, two hydraulic transmission box mounting seats symmetrically distributed on the two groups of transverse beams, two radiator mounting seats symmetrically distributed on the two groups of longitudinal beams, a plurality of junction box mounting seats arranged on the side panels of the transverse beams and the longitudinal beams, an air purification unit mounting seat arranged on the lower surface of one of the longitudinal beams, a distribution valve air path plate mounting seat arranged on the side of one of the longitudinal beams, two groups of battery box beams arranged on one of the transverse beams, two battery mounting seats respectively welded under the battery box beams, a muffler mounting seat arranged between one of the battery box beams and the longitudinal beams, an air filter mounting seat arranged on the side of another battery box beam, and an air compressor mounting seat arranged on the lower surface of one of the longitudinal beams; Two ends of the longitudinal beam are respectively provided with secondary shock absorbers, and each secondary shock absorber is connected to the bottom of the frame by bolts; It also includes a diesel engine corresponding to the diesel engine mounting seat, a hydraulic transmission box mounted on the hydraulic transmission box mounting seat, a composite radiator mounted on the radiator mounting seat, a junction box mounted on the junction box mounting seat, an air purification unit mounted on the air purification unit mounting seat, a distribution valve gas plate mounted on the distribution valve gas plate mounting seat, a battery mounted on the battery mounting seat, a muffler mounted on the muffler mounting seat, an air filter mounted on the air filter mounting seat, and an air compressor mounted on the air compressor mounting seat; The diesel engine and the hydraulic transmission box are combined to form a power unit of the power pack, and the power unit is connected to the corresponding diesel engine mounting seat and hydraulic transmission box mounting seat through a rubber shock absorber; The power unit also includes a transfer case, which is connected to the pulley at the front end of the diesel engine through an elastic coupling and a transmission shaft, and is provided with multiple output ports to provide power for an air compressor and an oil pump; the flywheel of the diesel engine is connected to the input end of the hydraulic transmission case by stud bolts; the muffler and the air filter are installed on one side of the turbocharger of the diesel engine, and the composite radiator is installed on the other side of the turbocharger of the diesel engine; the composite radiator includes an air cooling device and a water cooling device, and the air cooling device includes at least two fans, and the fans are driven by a hydraulic motor. The water cooling device comprises an expansion water tank installed above the hydraulic transmission box and a cooling pipeline connected to the expansion water tank, wherein the cooling pipeline is connected to the diesel engine, the hydraulic transmission box and the hydraulic oil tank; the battery is installed on the other side of the composite radiator and is located between the muffler and the air filter; the air compressor is installed on one side of the transfer case, the pulley of the air compressor is connected to an output port on the transfer case through a belt, the air outlet of the air compressor is connected to the air purification unit through an air pipeline, and the air outlet of the air purification unit supplies air to the whole vehicle through a rubber hose.

2. The internal combustion hydraulic transmission power pack for rail engineering vehicles according to claim 1, characterized in that: The distribution valve air circuit board is connected to the vehicle brake system pipeline by a rubber hose.

3. The internal combustion hydraulic transmission power pack for rail engineering vehicles according to claim 1, characterized in that: The junction box is installed at the connection between the crossbeam and the longitudinal beam, and the wiring harnesses of the diesel engine, the composite radiator, the distribution valve air circuit board, and the air purification unit are integrated on the junction box.

4. The internal combustion hydraulic transmission power pack for rail engineering vehicles according to claim 3, characterized in that: The junction box is provided with an aviation plug interface, which is connected to the electrical system of the entire vehicle.

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