Hydraulic pump station of railway vehicle and railway vehicle

Abstract

The invention provides a hydraulic pump station of a railway vehicle and the railway vehicle provided with the hydraulic pump station, the hydraulic pump station comprises an oil pump, an energy accumulator and an oil tank which are integrally installed in the same housing, and the outer side of the housing is provided with an oil filling port so that an oil filling hose which penetrates through the oil filling port and is communicated to the oil tank can pass through the oil filling port; oil is directly added into the oil tank from the outside of the housing, and mounting seats for assembly are further arranged at the top and the bottom of the housing so as to achieve hanging type mounting and seat type mounting of the hydraulic pump station respectively.

Description

Technical Field

[0001] The present invention relates to the field of rail vehicle equipment, and in particular to a hydraulic pump station of a rail vehicle and a rail vehicle. Background Art

[0002] The hydraulic pump station is an important actuator of the wheel steering system of rail vehicles. In the prior art, the components of the hydraulic pump station are installed in multiple relatively scattered locations inside the vehicle, and there are many installation interfaces, which makes assembly difficult and increases the operation time. Later maintenance also requires the removal of many interior panels and even passenger seats, which makes maintenance difficult. At the same time, since the pump station components need to be waterproof, the prior art can only install the pump station inside the vehicle to meet the waterproof requirements, which undoubtedly increases the noise inside the vehicle and greatly affects the passenger experience.

[0003] In order to overcome the above-mentioned defects of the prior art, there is an urgent need in the art for a hydraulic pump station for rail vehicles, which can integrate the various components of the pump station and has the advantages of rapid disassembly and maintenance, and can be installed outside the vehicle to improve passenger comfort. Summary of the invention

[0004] A brief summary of one or more aspects is given below to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all conceived aspects, and is neither intended to identify the key or critical elements of all aspects nor to define the scope of any or all aspects. Its only purpose is to give some concepts of one or more aspects in a simplified form as a prelude to a more detailed description that will be given later.

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a hydraulic pump station for a rail vehicle, comprising: an oil pump, an accumulator and an oil tank integrated in the same cover, the outer side of the cover is provided with a refueling port for adding oil directly into the oil tank from the outside of the cover through a refueling hose that passes through the refueling port and is connected to the oil tank, and the top and bottom of the cover are also provided with mounting seats for assembly to respectively realize the hanging installation and seat installation of the hydraulic pump station.

[0006] In one embodiment, preferably, an oil port fixing plate is additionally provided on the outer wall of the fuel filling port to fix and support the fuel filling hose, and the oil port fixing plate is divided into two half rings. When the two half rings are spliced ​​together, the fuel filling hose is clamped and fixed in the central hole, and a sealing ring is provided between the inner wall of the central hole and the fuel filling hose.

[0007] In one embodiment, preferably, the cover is further provided with a transparent liquid level observation window at a position corresponding to the oil tank.

[0008] In one embodiment, preferably, the hydraulic pump station may also include: a valve block fixedly connected to the oil tank, a pipeline leading to the oil tank is provided inside the valve block, the oil pump, the accumulator and the oil tank are all detachably mounted on a base plate in the center of the bottom plate of the cover shell, and a return oil joint and a pressure joint for external equipment are provided at the bottom edge of the cover shell. After the external oil is input into the interior of the hydraulic pump station through the return oil joint, it enters the oil tank through the valve block, and is then sucked out from the oil tank to the valve block by the oil pump, and transported to the pressure joint by the valve block. The two interconnected accumulators are connected to the connecting pipeline between the valve block and the pressure joint to store the output energy of the connecting pipeline.

[0009] In one embodiment, preferably, the oil pump, the accumulator and the oil tank are respectively installed on the base plate through their own brackets, and the base plate is provided with vertical flanges around it for waterproofing and preventing the outflow of oil, the oil return joint and the pressure joint are arranged on the vertical flange, and the vertical flange is also provided with a mounting hole for installing the top cover of the cover shell.

[0010] In one embodiment, preferably, the mounting bracket of the oil pump includes two C-shaped grooves arranged parallel to the surface of the substrate, and the oil pump is installed on the C-shaped groove through a fixed beam. A connecting plate and a rubber pad are also sequentially provided between the oil pump and the fixed beam. The connecting plate is fixedly connected to the bottom surface of the oil pump, and the rubber pad is located between the connecting plate and the fixed beam and is vulcanized and fixed to the two.

[0011] In one embodiment, preferably, the mounting bracket of the accumulator includes two layers, the two accumulators are respectively fixed on the crossbeams of each layer of the bracket through clamps, and the two layers of crossbeams are then mounted on the base plate through longitudinal beams, and support beams for support are also provided at the corners between the crossbeams and the longitudinal beams.

[0012] In one embodiment, preferably, the mounting bracket of the oil tank includes a bottom side beam, a mounting beam and a guide rail, wherein the bottom side beam is connected to the base plate, the mounting beam and the guide rail are arranged on the bottom side beam, and the oil tank is mounted and fixed on the mounting beam after sliding on the guide rail to a predetermined position.

[0013] In one embodiment, preferably, the outer side of the cover shell is also provided with a plurality of heat dissipation windows with rainproof protrusions, and the mounting seat located at the top and bottom of the cover shell includes a mounting plate with mounting holes, and the mounting plate is fixed to the top surface or bottom surface of the cover shell and constitutes an extension of the top surface or bottom surface.

[0014] The present invention also provides a rail vehicle, which is provided with a hydraulic pump station as described in any one of the above items, and the hydraulic pump station is installed in a hanging manner and a seat manner on the outside of the carriage of the rail vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above features and advantages of the present invention can be better understood after reading the detailed description of the embodiments of the present disclosure in conjunction with the following drawings. In the drawings, the components are not necessarily drawn to scale, and components with similar related properties or features may have the same or similar reference numerals.

[0016] Figure 1 is a schematic diagram of the external structure of a hydraulic pump station according to an embodiment of the present invention;

[0017] Figure 2 is a schematic diagram of the internal structure of a hydraulic pump station according to an embodiment of the present invention;

[0018] Figure 3 is a schematic diagram of a fuel filler port installation structure according to an embodiment of the present invention;

[0019] Figure 4 is a schematic structural diagram of an oil port fixing plate according to an embodiment of the present invention;

[0020] Figure 5 is a schematic cross-sectional view of oil port installation according to an embodiment of the present invention;

[0021] Figure 6 is a schematic diagram of the working principle of a hydraulic pump station according to an embodiment of the present invention;

[0022] Figure 7 is a schematic diagram of the structure of a hydraulic pump station bottom plate according to an embodiment of the present invention;

[0023] Figure 8 is a schematic diagram of an installation structure of an oil pump according to an embodiment of the present invention;

[0024] Fig. 9 is a schematic cross-sectional structure diagram of an oil pump bracket according to an embodiment of the present invention;

[0025] Fig.10 is a schematic diagram of an accumulator installation structure according to an embodiment of the present invention;

[0026] Fig.11 is a schematic diagram of the structure of an accumulator mounting bracket according to an embodiment of the present invention;

[0027] Fig.12 and Fig.13 is a schematic diagram of a fuel tank bracket structure according to an embodiment of the present invention;

[0028] Fig.14 is a schematic diagram of a top cover structure of a hydraulic pump station according to an embodiment of the present invention; and

[0029] Fig.15FIG. 4 is a cross-sectional view of a heat dissipation port structure according to an embodiment of the present invention.

[0030] For the sake of clarity, a brief description of the reference numerals is given below:

[0031] 1 Bottom plate

[0032] 100 hydraulic pump station

[0033] 11 base plate

[0034] 12 Lower mounting plate

[0035] 13 C-slot

[0036] 14 Accumulator bracket

[0037] 141 Stringer

[0038] 142 Installation beam

[0039] 1421 round hole

[0040] 143 Stringer

[0041] 144 Support beam

[0042] 145 Installation beam

[0043] 1451 round hole

[0044] 15First fuel tank bracket

[0045] 151 Installation beam

[0046] 1511 threaded hole

[0047] 152 bottom beam

[0048] 153 Guide Rail

[0049] 16 Second fuel tank bracket

[0050] 161 Installation beam

[0051] 1611 threaded hole

[0052] 162 bottom beam

[0053] 163 rails

[0054] 111 Flanging

[0055] 112, 113 round hole

[0056] 121 mounting holes

[0057] 2 Top cover

[0058] 21. Cover

[0059] 22 Upper mounting plate

[0060] 221 mounting holes

[0061] 23 Refueling opening

[0062] 24 Liquid level observation window

[0063] 25 Oil port opening

[0064] 26 Heat dissipation window

[0065] 27 Top cover mounting hole

[0066] 3 Oil pump

[0067] 31 Oil pump bracket

[0068] 311 connecting plate

[0069] 3111 threaded hole

[0070] 312 rubber pad

[0071] 313 fixed beam

[0072] 3131 round hole

[0073] 4 Accumulator

[0074] 41 Hoop

[0075] 5 Fuel tank

[0076] 51 Refueling hose

[0077] 52 Fuel filler

[0078] 53 First fixed plate

[0079] 531 Boss

[0080] 54 Second fixed plate

[0081] 541 groove

[0082] 532 first sealing ring groove

[0083] 542 second sealing ring groove

[0084] 55 Sealing ring

[0085] 6 Valve block

[0086] 81 Pressure connector

[0087] 82 Oil return connector

[0088] 71, 72, 73, 74 steel pipe

[0089] 75 Oil suction hose

[0090] 76 Oil pressure hose DETAILED DESCRIPTION

[0091] The following specific embodiments illustrate the implementation of the present invention, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this invention are limited to this implementation. On the contrary, the purpose of introducing the invention in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present invention. In order to provide a deep understanding of the present invention, the following description will include many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description.

[0092] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0093] In addition, the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal" and "vertical" used in the following description should be understood as the directions shown in the paragraph and the related drawings. Such relative terms are only used for the convenience of description and do not mean that the device described therein must be manufactured or operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0094] It is understood that although the terms "first", "second", "third", etc. may be used herein to describe various components, regions, layers and / or parts, these components, regions, layers and / or parts should not be limited by these terms, and these terms are only used to distinguish different components, regions, layers and / or parts. Therefore, the first component, region, layer and / or part discussed below may be referred to as a second component, region, layer and / or part without departing from some embodiments of the present invention.

[0095] In order to overcome the above-mentioned defects of the prior art, the present invention provides a hydraulic pump station for rail vehicles, which can integrate and install various components of the pump station, has the advantage of rapid disassembly and maintenance, and can be installed outside the vehicle to improve passenger comfort. It solves the problems existing in the prior art that the oil tank and the oil pump are installed separately, which makes assembly difficult and easy to interfere, and at the same time causes loud noise in the passenger compartment of the carriage and difficulty in refilling the oil at a later stage.

[0096] Figure 1 Schematic diagram of the external structure of a hydraulic pump station according to an embodiment of the present invention.

[0097] like Figure 1 As shown, the hydraulic pump station of the rail vehicle provided by the present invention can mainly include: a bottom plate 1 and a top cover 2 from an external perspective. The bottom plate 1 is used to support internal components, and its upper part is connected to the top cover 2 by screws, and the top cover 2 plays a sealing role.

[0098] Figure 2 Schematic diagram of the internal structure of a hydraulic pump station according to an embodiment of the present invention.

[0099] Can be combined with reference Figure 1 , Figure 2 The hydraulic pump station for rail vehicles provided by the present invention mainly comprises: an oil pump 3, an accumulator 4 and an oil tank 5 which are integrated and installed in the same housing. The housing here comprises a bottom plate 1 and a top cover 2. The bottom plate 1 and the top cover 2 can be made of any metal material. A refueling port 52 is provided on the outside of the housing so that oil can be directly added to the oil tank 5 from the outside of the housing through a refueling hose 51 which is provided through the refueling port 52 and connected to the oil tank 5. The top and bottom of the housing are also provided with mounting seats for assembly so as to respectively realize the hanging installation and seat installation of the hydraulic pump station.

[0100] Figure 3 is a schematic diagram of a fuel filler port installation structure according to an embodiment of the present invention; Figure 4 is a schematic structural diagram of an oil port fixing plate according to an embodiment of the present invention; Figure 5 2 is a schematic cross-sectional view of oil port installation according to an embodiment of the present invention.

[0101] Please refer to Figure 3 to Figure 5 In a preferred embodiment, the hydraulic pump station provided by the present invention is provided with an oil port fixing plate on the outer wall of the refueling port to fix and support the refueling hose. The oil port fixing plate is divided into two half rings, respectively marked as a first fixing ring 53 and a second fixing ring 54. When the two half rings are spliced, the refueling hose 51 is clamped and fixed in the central hole. A sealing ring is provided between the inner wall of the central hole and the refueling hose.

[0102] More specifically, if Figure 5 As shown, the refueling hose 51 is clamped and fixed by the first fixing plate 53 and the second fixing plate 54. Figure 4As shown, a boss 531 and a groove 541 are respectively provided at the joint of the first fixing plate 53 and the second fixing plate 54, so that the structure has a certain waterproof and dustproof effect. At the same time, a first sealing ring groove 532 and a second sealing ring groove 542 are respectively provided at the middle arc of the first fixing plate 53 and the second fixing plate 54; a sealing ring 55 is provided in the first sealing ring groove 532 and the second sealing ring groove 542, and the sealing ring 55 can be made of elastic rubber material.

[0103] In conjunction with this, in a preferred embodiment, it can be combined with reference Figure 1 The cover is also provided with a transparent liquid level observation window 24 at a position corresponding to the oil tank 5, through which the liquid level of the oil tank 5 installed inside can be seen to determine whether oil needs to be added through the oil filling port 52. The oil observation window 24 can be made of any transparent non-metallic material.

[0104] Figure 6 Schematic diagram of the working principle of a hydraulic pump station according to an embodiment of the present invention.

[0105] Can be combined with reference Figure 6 and Figure 2 In a preferred embodiment, the hydraulic pump station provided by the present invention may further include: a valve block 6 fixedly connected to the oil tank 5, a pipeline leading to the oil tank 5 is arranged inside the valve block 6, the oil pump 3, the accumulator 4 and the oil tank 5 are all detachably mounted on the base plate in the center of the housing bottom plate 1, and the bottom edge of the housing is provided with a return oil joint 82 and a pressure joint 81 for external equipment. Figure 6 After the external oil is input into the hydraulic pump station 100 through the return oil joint 82, it enters the oil tank 5 through the valve block 6, and is then sucked out from the oil tank 5 to the valve block 6 by the oil pump 3, and is transported to the pressure joint 81 by the valve block 6. The two interconnected accumulators 4 are connected to the connecting pipeline between the valve block 6 and the pressure joint 81 to store the output energy of the connecting pipeline.

[0106] More specifically, see Figure 2 The oil pump 3, accumulator 4 and oil tank 5 are all arranged on the upper part of the bottom plate 1 and are detachably connected to the bracket inside the bottom plate 1. The valve block 6 is connected to the pressure joint 81 and the oil return joint 82 arranged on the edge of the bottom plate 1 through the steel pipe 71 and the steel pipe 72. The motor of the oil pump 3 is connected to the oil tank 5 through the oil suction hose 75 to suck out the oil in the oil tank 5, and then connected to the valve block 6 through the oil pressure hose 76 to discharge the oil into the valve block 6. The accumulator 4 is arranged in two groups, connected in the middle by the steel pipe 73, and then merged into the steel pipe 71 through the steel pipe 74 to realize system energy storage.

[0107] In one embodiment, the steel pipes 71 , 72 , 73 and 74 may also be replaced by hydraulic hoses.

[0108] Figure 7 The figure is a schematic diagram of the device structure of the hydraulic pump station bottom plate according to an embodiment of the present invention.

[0109] Please refer to Figure 7 In a preferred embodiment, the oil pump 3, the accumulator 4 and the oil tank 5 are respectively mounted on the base plate 11 through their own brackets. The base plate 11 is provided with vertical flanges 111 around it for waterproofing and preventing oil from flowing out. The oil return joint 82 and the pressure joint 81 are arranged on the vertical flange 111. The vertical flange 111 is also provided with a mounting hole for mounting the cover top cover 2.

[0110] More specifically, if Figure 7 As shown, the bottom plate 1 may include a base plate 11, a lower mounting plate 12, a C-shaped groove 13, an accumulator bracket 14, a first oil tank bracket 15 and a second oil tank bracket 16. The base plate 11 is provided with flanges 111 around it to prevent water and prevent oil from flowing out. The flange 111 is provided with a plurality of round holes 112 for connecting with the top cover 2. Two round holes 113 are provided on one side of the flange 111 for installing the pressure joint 81 and the return oil joint 82. The lower mounting plate 12 is fixedly connected to both sides of the base plate 11, and is provided with mounting holes 121 for fixing with the vehicle body when installed at the lower side to realize the seat-type installation of the hydraulic pump station.

[0111] The C-shaped grooves 13 are arranged in parallel on the upper surface of the base plate 11 for mounting the oil pump 3. The accumulator bracket 14 is arranged in parallel on the upper surface of the base plate 11 for mounting the accumulator 4. The first oil tank bracket 15 and the second oil tank bracket 16 are arranged in parallel on the upper surface of the base plate 11 for mounting the oil tank 5.

[0112] The installation structures of the oil pump, accumulator and oil tank are described in detail below.

[0113] Figure 8 1 is a schematic diagram of an installation structure of an oil pump according to an embodiment of the present invention. Fig. 9 FIG. 4 is a schematic cross-sectional structural diagram of an oil pump bracket according to an embodiment of the present invention.

[0114] Please refer to Figure 8 , Fig. 9 and Figure 7 The oil pump bracket 31 for installing the oil pump 3 includes two C-shaped grooves 13 arranged in parallel on the surface of the base plate 11. The oil pump 3 is installed on the C-shaped groove 13 through a fixed beam 313. A connecting plate 311 and a rubber pad 312 are sequentially provided between the oil pump 3 and the fixed beam 313. The connecting plate 311 is fixedly connected to the bottom surface of the oil pump 3. The rubber pad 312 is located between the connecting plate 311 and the fixed beam 313 and is vulcanized and fixed to the two.

[0115] exist Figure 8 In the embodiment shown, two oil pump brackets 31 are arranged in parallel below the oil pump 3. The oil pump brackets 31 are mounted on the oil pump 3 by bolts. The oil pump brackets 31 are mounted on the C-shaped groove 13 by T-shaped bolts. Fig. 9 In the embodiment shown, the connecting plate 311 is provided with a threaded hole 3111, which is connected to the oil pump 3 by bolts. The rubber pad 312 is vulcanized and fixed to the connecting plate 311 and the fixing beam 313. The rubber pad 312 is made of a soft material and can prevent the vibration generated by the oil pump 3 from being transmitted to the bottom plate 1. The fixing beam 313 is provided with a round hole 3131, so that it can be connected to the C-shaped groove 13 by a T-bolt.

[0116] In a preferred embodiment, the mounting bracket of the accumulator includes two layers, the two accumulators are respectively fixed on the crossbeams of each layer of the bracket through clamps, and the two layers of crossbeams are then mounted on the base plate through longitudinal beams. A support beam for support is also provided at the corner between the crossbeams and the longitudinal beams. Fig.10 , 11 .

[0117] Fig.10 is a schematic diagram of an accumulator installation structure according to an embodiment of the present invention; Fig.11 The figure is a schematic diagram of the structure of an accumulator mounting bracket according to an embodiment of the present invention.

[0118] like Fig.10 , Fig.11 As shown, two accumulators 4 are mounted on the accumulator support 14 via a clamp 41. The accumulator support 14 may include a longitudinal beam 141, a mounting beam 142, a longitudinal beam 143, a support beam 144 and a mounting beam 145. Fig.11 As shown, the longitudinal beam 141 is fixedly connected to the end of the mounting beam 142, and the other end of the mounting beam 142 is fixedly connected to the longitudinal beam 143. The mounting beam 145 is fixedly connected to the top of the longitudinal beam 143, and the supporting beam 144 is fixedly connected between the mounting beam 145 and the longitudinal beam 143 to play a supporting role. The mounting beam 142 is provided with two circular holes 1421 for fixing the lower layer accumulator 4; the mounting beam 145 is provided with two circular holes 1451 for fixing the upper layer accumulator 4.

[0119] In this regard, in a preferred embodiment, in the hydraulic pump station provided by the present invention, the mounting bracket of the oil tank includes a bottom side beam, a mounting beam and a guide rail, wherein the bottom side beam is connected to the base plate, the mounting beam and the guide rail are arranged on the bottom side beam, and the oil tank is mounted and fixed on the mounting beam after sliding on the guide rail to a predetermined position, which can be referred to Fig.12 and Fig.13 .

[0120] Fig.12 and Fig.131 is a schematic diagram of a fuel tank bracket structure according to an embodiment of the present invention.

[0121] like Fig.12 As shown, the first fuel tank bracket 15 includes a mounting beam 151, a bottom side beam 152 and a guide rail 153. The bottom side beam 152 is fixedly connected to the base plate 11 on the upper surface of the base plate 11; the mounting beam 151 is fixedly connected to the bottom side beam 152 and is vertically arranged on the upper surface of the bottom side beam 152; the vertical surface of the mounting beam 151 is provided with a threaded hole 1511 for fixing the fuel tank 5; the guide rail 153 is connected to the bottom side beam 151 by screws and is arranged on the upper surface of the bottom side beam 152, and is used to support the fuel tank 5 and facilitate the sliding out of the fuel tank 5.

[0122] like Fig.13 As shown, the fuel tank bracket 16 includes a mounting beam 161, a bottom side beam 162 and a guide rail 163. The bottom side beam 162 is fixedly connected to the base plate 11 on the upper surface of the base plate 11; the mounting beam 161 is fixedly connected to the bottom side beam 162 and is vertically arranged on the upper surface of the bottom side beam 162; the vertical surface of the mounting beam 161 is provided with a threaded hole 1611 for fixing the fuel tank 5; the guide rail 163 is connected to the bottom side beam 161 by screws and is arranged on the upper surface of the bottom side beam 162, and is used to support the fuel tank 5 and facilitate the sliding out of the fuel tank 5.

[0123] It is understandable that the shapes of the threaded holes shown in the figure are only for illustrative purposes, and in practice the threaded holes 1511 and 1611 can be replaced by round holes or waist holes.

[0124] In a preferred embodiment, in the hydraulic pump station of a rail vehicle provided by the present invention, the outer side of the housing is further provided with a plurality of heat dissipation windows with rainproof protrusions, and the mounting seat located at the top and bottom of the housing includes a mounting plate with mounting holes, and the mounting plate is fixed to the top surface or the bottom surface of the housing and constitutes an extension of the top surface or the bottom surface. The housing structure can be combined with reference Fig.14 and Figure 1 .

[0125] Fig.14 The figure is a schematic diagram of the top cover structure of a hydraulic pump station according to an embodiment of the present invention.

[0126] In this embodiment, the top cover 2 may include a cover body 21, an upper mounting plate 22, a refueling opening 23, a liquid level observation window 24, an oil port opening 25, a heat dissipation window 26, and a top cover mounting hole 27. The cover body 21 is provided with a refueling opening 23 on one side to facilitate the disassembly and assembly of the refueling port 52. Figure 3 to Figure 5 According to the text description, the refueling hose 51 is connected to the oil tank 5 and extends to the outside of the cover shell. Under the side refueling setting, the hydraulic pump station provided by the present invention can realize the overall disassembly and assembly of the oil tank 5 connected to the refueling hose 51.

[0127] Please continue to refer to Fig.14 The front side of the cover is provided with a transparent liquid level observation window 24, through which the liquid level of the oil tank 5 installed inside can be seen to determine whether oil needs to be added. The oil port opening 25 is provided at the oil pressure joint 81 and the oil return joint 82, and an assembly space is reserved for the oil pressure joint 81 and the oil return joint 82.

[0128] Furthermore, a number of top cover mounting holes 27 are arranged around the lower part of the cover body 21, corresponding to the circular holes 112 on the base plate 1, and are installed by screws; the upper mounting plate 22 is fixedly connected to both sides of the top of the cover body 21, and is provided with mounting holes 221 for fixing to the vehicle body during hanging installation, thereby realizing the hanging installation of the hydraulic pump station.

[0129] Fig.15 FIG. 4 is a cross-sectional view of a heat dissipation port structure according to an embodiment of the present invention.

[0130] In this embodiment, preferably, a heat dissipation window 26 is also provided on the outer side of the hydraulic pump station housing provided by the present invention. Fig.15 As shown, the heat dissipation window 26 is a structure with an opening at the lower end, and is arranged in a certain number on the front and rear surfaces of the cover body 21, and has the function of ventilation and rain protection.

[0131] In summary, the hydraulic pump station for rail vehicles provided by the present invention adopts a modular integrated installation method, solidifies the equipment and pipelines, effectively reduces the difficulty of installation, and improves assembly efficiency. By adopting a sealed top cover and bottom plate, the pump station can be installed outside the vehicle, reducing the noise inside the vehicle and improving the riding comfort of passengers. At the same time, rainproof shutters are arranged around the side of the top cover, which can ensure the ventilation and heat dissipation of internal components while preventing rain. The top cover is also provided with a side refueling port and a liquid level observation window to facilitate the filling of oil, and provides a universal installation structure, which can be installed in a hanging manner or a seat-type manner, and the assembly method is flexible and suitable for a variety of vehicle bodies.

[0132] Another aspect of the present invention provides a rail vehicle, which is provided with a hydraulic pump station as described in any one of the above items. The hydraulic pump station can be installed in a hanging manner or a seated manner on the outside of the rail vehicle compartment to reduce noise inside the vehicle and improve passenger comfort.

[0133] The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be apparent to those skilled in the art, and the general principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein, but should be granted the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hydraulic pump station for a rail vehicle, comprising: An oil pump, an accumulator and an oil tank are integrated and installed in the same housing. A refueling port is provided on the outer side of the housing so that oil can be directly added to the oil tank from the outside of the housing through a refueling hose that passes through the refueling port and is connected to the oil tank. Mounting seats for assembly are also provided on the top and bottom of the housing to respectively realize hanging installation and seat installation of the hydraulic pump station.

2. The hydraulic pump station according to claim 1, characterized in that: An oil port fixing plate is additionally provided on the outer wall of the fuel filling port to fix and support the fuel filling hose. The oil port fixing plate is divided into two half rings. When the two half rings are spliced ​​together, the fuel filling hose is clamped and fixed in the central hole. A sealing ring is provided between the inner wall of the central hole and the fuel filling hose.

3. The hydraulic pump station according to claim 2, characterized in that: The cover shell is also provided with a transparent liquid level observation window at a position corresponding to the oil tank.

4. The hydraulic pump station according to claim 1, characterized in that: Also includes: A valve block fixedly connected to the oil tank, the interior of the valve block is provided with a pipeline leading to the oil tank, the oil pump, the accumulator and the oil tank are all detachably mounted on a base plate in the center of the cover shell bottom plate, the bottom edge of the cover shell is provided with a return oil joint and a pressure joint for external equipment, after the external oil is input into the hydraulic pump station through the return oil joint, it enters the oil tank through the valve block, and then is sucked out from the oil tank to the valve block by the oil pump, and then transported to the pressure joint by the valve block, and the two interconnected accumulators are connected to the connecting pipeline between the valve block and the pressure joint to store the output energy of the connecting pipeline.

5. The hydraulic pump station according to claim 4, characterized in that: The oil pump, the accumulator and the oil tank are respectively installed on the base plate through their own brackets. The base plate is provided with vertical flanges around it for waterproofing and preventing oil from flowing out. The return oil joint and the pressure joint are arranged on the vertical flanges. The vertical flanges are also provided with mounting holes for mounting the top cover of the cover shell.

6. The hydraulic pump station according to claim 5, characterized in that: The mounting bracket of the oil pump includes two C-shaped grooves arranged in parallel on the surface of the base plate. The oil pump is installed on the C-shaped groove through a fixed beam. A connecting plate and a rubber pad are sequentially arranged between the oil pump and the fixed beam. The connecting plate is fixedly connected to the bottom surface of the oil pump. The rubber pad is located between the connecting plate and the fixed beam and is vulcanized and fixed to the two.

7. The hydraulic pump station according to claim 5, characterized in that: The mounting bracket of the accumulator includes two layers, the two accumulators are respectively fixed on the crossbeams of each layer of the bracket through clamps, and the two layers of crossbeams are then installed on the base plate through longitudinal beams. Support beams for support are also provided at the corners between the crossbeams and the longitudinal beams.

8. The hydraulic pump station according to claim 5, characterized in that: The mounting bracket of the oil tank comprises a bottom side beam, a mounting beam and a guide rail, wherein the bottom side beam is connected to the base plate, the mounting beam and the guide rail are arranged on the bottom side beam, and the oil tank is mounted and fixed on the mounting beam after sliding on the guide rail to a predetermined position.

9. The hydraulic pump station according to claim 1, characterized in that: The outer side of the cover shell is also provided with a plurality of heat dissipation windows with rainproof protrusions. The mounting seats located at the top and bottom of the cover shell include mounting plates with mounting holes. The mounting plates are fixed to the top surface or bottom surface of the cover shell and constitute an extension of the top surface or bottom surface.

10. A rail vehicle, the rail vehicle being provided with a hydraulic pump station as described in any one of claims 1 to 9, the hydraulic pump station being suspended and seated outside a carriage of the rail vehicle.

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