Rail vehicle battery cabinet

Abstract

The present invention belongs to the technical field of rail vehicles, and discloses a battery cabinet for rail vehicles, which includes a cabinet body skeleton, a cabinet inner cavity formed by the cabinet body skeleton, and a cabinet door provided on the cabinet body skeleton. The cabinet inner cavity is divided into multiple battery accommodation areas, and each battery accommodation area is a double-layer design including an upper accommodation area and a lower accommodation area. The storage batteries are respectively installed in the upper accommodation area and the lower accommodation area through an upper battery bracket and a lower battery bracket. The cabinet inner cavity is a battery accommodation area with a double-layer design, and multiple storage batteries can be placed orderly at the same time. The storage battery cabinet designed in this article can install more than 40% more storage battery capacity than traditional storage battery cabinets. One end of the upper battery bracket is matched with a bracket rotating shaft and a bearing seat, and the other end is driven by a hydraulic rod, so that the upper battery bracket makes a fixed-point rotation movement with the bracket rotating shaft as the fulcrum, easily and smoothly realizing the installation and disassembly of the upper battery; the hydraulic rod shares part of the weight of the upper battery to ensure the stability of the upper battery.

Description

Technical Field

[0001] The present invention relates to the technical field of rail vehicles, and more specifically, to a battery cabinet for rail vehicles. Background Art

[0002] The battery cabinet of a rail vehicle is an important component of the rail vehicle and is used to install the battery. The main purpose of the battery is to supply a strong current to the starter during startup; in addition, when the engine stops rotating or the generator voltage is low, it supplies power to each electrical device, and when the generator voltage is higher than the battery voltage, it can also convert a part of the electrical energy of the generator into chemical energy and store it, that is, charge; when the generator is overloaded, it can also assist the generator in supplying power.

[0003] Due to the rapid development of the current rail transit industry, customers have higher and higher requirements for rail vehicles. At the same time, in order to comply with the requirements of energy conservation, environmental protection, and high efficiency, the battery equipment in rail vehicles is updated faster and faster, and the functions of the battery are getting stronger and stronger. The new battery has a large capacity, and the battery cabinets of the existing technology cannot match the new battery either in terms of capacity or structure. Therefore, it is urgent to develop a new battery cabinet to match the new battery. Summary of the Invention

[0004] The technical problem solved by the present invention is to overcome the defects of the existing technology and provide a battery cabinet for rail vehicles that can effectively increase the capacity, is convenient for inspection and maintenance, and can stably install the battery.

[0005] The object of the present invention is achieved by the following technical solutions:

[0006] A battery cabinet for a rail vehicle includes a cabinet body framework, a cabinet inner cavity formed by the cabinet body framework, and a cabinet door provided on the cabinet body framework. The cabinet inner cavity is divided into a plurality of battery accommodation areas, and each battery accommodation area is a double-layer design including an upper accommodation area and a lower accommodation area. The batteries are respectively installed in the upper accommodation area and the lower accommodation area through an upper battery bracket and a lower battery bracket.

[0007] Further, the cabinet door is provided at both ends of the cabinet body framework in the length direction, and the battery accommodation areas are arranged along the width direction of the cabinet body framework; a side door frame and a top cover plate frame adjacent to the side door frame are provided at the middle part in the length direction of the cabinet body framework. A side door is detachably installed on the side door frame, and a top cover plate is detachably installed on the top cover plate frame.

[0008] Furthermore, the side door is bolted to the side door frame, and the top cover plate is bolted to the top cover plate frame.

[0009] Furthermore, the upper battery support bracket includes a support chassis, a left bracket, a right bracket, and an upper battery positioning plate provided at one end of the support chassis. Bracket rotating shafts are symmetrically provided on the outer surfaces of the left bracket and the right bracket at the ends close to the battery positioning plate. A bearing seat mounting beam is suspended on the side door frame, and a bearing seat is mounted on the bearing seat mounting beam. A bearing is provided inside the bearing seat, and the bracket rotating shaft can cooperate with the bearing to rotate; Hydraulic strut seats are symmetrically provided on the outer surfaces of the left bracket and the right bracket at the ends far from the battery positioning plate. A hydraulic base corresponding to the position of the hydraulic strut seat is provided on the cabinet body framework near the lower accommodation area, and a hydraulic rod is provided between the hydraulic base and the hydraulic strut seat.

[0010] Still further, a bracket support plate is further provided below the end of the upper battery support bracket near the hydraulic rod. Both ends of the bracket support plate have mounting ends, and the mounting ends are detachably mounted to the vertical beams at the edges of the cabinet body framework.

[0011] Still further, a battery push plate for positioning and clamping the battery in cooperation with the battery positioning plate is further provided on the upper battery support bracket.

[0012] Still further, the upper battery support bracket further includes a battery positioning gripper plate disposed adjacent to the battery positioning plate. The surface of the battery positioning gripper plate facing the battery is a wedge-shaped slope structure, and sharp corners are arranged on the wedge-shaped slope structure.

[0013] Furthermore, the lower battery support bracket includes a battery support framework and a lower battery positioning plate provided at one end of the battery support framework. A battery buffer pad is provided on the outer surface of the lower battery positioning plate.

[0014] Still further, a battery middle positioning plate is provided at the bottom of the inner cavity of the cabinet corresponding to the position where the top cover plate frame is provided. Both side surfaces of the battery middle positioning plate are wedge-shaped slopes, and sharp corner structures are arranged on the wedge-shaped slopes. The battery buffer pad of the lower battery support bracket contacts the sharp corner structures.

[0015] Furthermore, a first heat dissipation plate, a second heat dissipation plate, and a third heat dissipation plate are arranged in parallel from outside to inside on the cabinet door. The first heat dissipation plate and the second heat dissipation plate are attached and the positions of their heat dissipation openings are correspondingly arranged. The heat dissipation openings of the first heat dissipation plate and the second heat dissipation plate face in opposite directions. There is a gap between the third heat dissipation plate and the second heat dissipation plate, and the heat dissipation opening of the third heat dissipation plate faces in the opposite direction and is offset from the heat dissipation opening of the second heat dissipation plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1) The inner cavity of the cabinet is a double-layer designed battery accommodation area, and multiple storage batteries can be placed orderly at the same time. It is statistically shown that the storage battery capacity that can be installed in the storage battery cabinet designed in this article is more than 40% more than that of traditional storage battery cabinets;

[0018] 2) Side doors and top cover plates are set in the middle of the cabinet frame to facilitate the assembly, maintenance and inspection of components, and also play a certain sealing role for the battery cabinet;

[0019] 3) One end of the upper battery bracket is matched with the bracket shaft and the bearing seat, and the other end is driven by the hydraulic rod, so that the upper battery bracket can rotate at a fixed point with the bracket shaft as the fulcrum, and the upper battery can be easily and smoothly installed and removed; the hydraulic rod can share part of the weight of the upper battery to ensure the stability of the upper battery fixation;

[0020] 4) After the upper battery is installed in place, the upper battery can be clamped by the battery push plate to further tighten the upper battery to prevent it from moving;

[0021] 5) The surface of the battery positioning gripper is a wedge-shaped slope structure with sharp corners. The slope structure is in contact with the rubber parts on the battery assembly, which can ensure that the sharp corners and the rubber are in a tightly locked state during contact, thus preventing the battery from shaking due to train operation;

[0022] 6) The battery buffer pad set on the outer surface of the lower battery positioning plate mainly plays a buffering role to prevent the vibration of the vehicle from affecting the battery assembly;

[0023] 7) The battery storage area is arranged along the width direction of the cabinet frame. The upper storage area is supported and fixed by the bearing seat and the hydraulic rod. The neatly arranged upper storage areas will not contact or interfere with each other. Since only the lower battery holder is used to install and support the battery in the lower storage area, in order to avoid collision between the lower storage areas, especially the batteries arranged side by side along the width direction of the cabinet frame, a battery middle positioning plate is provided in the middle positioning part of the front and rear batteries along the width direction of the cabinet frame to separate the two battery assemblies. The surfaces on both sides of the battery middle positioning plate are also wedge-shaped and sloped and arranged with sharp angle structures. The battery buffer pad of the lower battery holder contacts with the sharp angle structure to increase the friction coefficient. The battery buffer pad bites the sharp angle structure, so that the battery assembly in the lower storage area is relatively still and does not vibrate due to the operation of the train.

[0024] 8) The sizes of the shutters of the first, second and third heat sinks on the cabinet door are reasonably optimized and designed according to the overall performance of the battery cabinet. The stacking arrangement of the three heat sinks conforms to the flow direction of the airflow, which can ensure that the heat dissipation is consistent with the heat dissipation of the batteries in the battery cabinet;

[0025] 9) The hanging shafts installed on the cabinet frame are important load-bearing components for the cabinet frame to be suspended under the vehicle. The weight of the entire cabinet falls on the four hanging shafts, which are inserted into the two square tubes on the frame to ensure the stable installation of the hanging shafts themselves and also ensure uniform force when the cabinet is suspended. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Schematic diagram of the overall structure of the battery cabinet of the rail vehicle described in Embodiment 1;

[0027] Figure 2 It is Figure 1 Schematic diagram of the structure of the battery cabinet of the rail vehicle after the middle side door, top cover plate and cabinet door are removed;

[0028] Figure 3 Schematic diagram of the cabinet body skeleton structure;

[0029] Figure 4 Schematic diagram of the installation of the suspension shaft on the cabinet body skeleton;

[0030] Figure 5 Cross-sectional view of the battery cabinet when both the upper battery bracket and the lower battery bracket are placed in the inner cavity of the cabinet;

[0031] Figure 6 Schematic diagram of the structure of the upper battery bracket;

[0032] Figure 7 Schematic diagram of the structure of the bearing seat installed on the side door frame cooperating with the bracket rotating shaft on the upper battery bracket;

[0033] Figure 8 Schematic diagram of the structure of the hydraulic rod connecting the upper battery bracket and the cabinet body skeleton;

[0034] Figure 9 Schematic diagram of the structure of the battery push plate;

[0035] Figure 10 Schematic diagram of the structure of the cabinet bottom frame on the cabinet body skeleton for supporting the lower battery bracket;

[0036] Figure 11 Schematic diagram of the structure of the stud sealing plate on the battery cabinet bottom frame;

[0037] Figure 12 Exploded view of the lower battery bracket;

[0038] Figure 13 Schematic diagram of the structure of the lower battery bracket installed in the inner cavity of the cabinet;

[0039] Figure 14 Schematic diagram of the structure of the battery middle positioning plate in the inner cavity of the cabinet;

[0040] Figure 15 Schematic diagram of the structure of the battery middle positioning plate connected to the battery modules on both sides;

[0041] Figure 16 Schematic diagram of the structural arrangement of the first heat dissipation plate, the second heat dissipation plate and the third heat dissipation plate on the cabinet door. Detailed implementation method

[0042] The present invention will be further described below in conjunction with specific embodiments. Among them, the attached drawings are only for illustrative purposes, showing only schematic diagrams, not physical diagrams, and should not be construed as a limitation to this patent; in order to better illustrate the embodiments of the present invention, some components in the attached drawings will be omitted, enlarged or reduced, which do not represent the dimensions of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the attached drawings may be omitted.

[0043] Embodiment 1

[0044] As Figures 1 to 5 shown, a battery cabinet for a rail vehicle is provided, which includes a cabinet body frame 1, a cabinet inner cavity formed by the cabinet body frame, and a cabinet door 2 provided on the cabinet body frame. The cabinet inner cavity is in a cuboid shape and is divided into multiple battery accommodation areas. Each battery accommodation area is a double-layer design including an upper accommodation area 31 and a lower accommodation area 32. Batteries (hereinafter collectively referred to as batteries) are respectively installed in the upper accommodation area 31 and the lower accommodation area 32 through an upper battery bracket 41 and a lower battery bracket 42. The cabinet inner cavity of this embodiment adopts a double-layer design, which can orderly place multiple batteries at the same time, and the battery capacity that can be installed is more than 40% more than that of traditional battery cabinets.

[0045] Specifically, as Figure 1 and Figure 2 shown, the cabinet inner cavity of this embodiment contains four battery accommodation areas arranged neatly in pairs. Four cabinet doors 2 are respectively provided at both ends of the cabinet body frame 1 in the length direction. The cabinet door 2 is used to prevent dust, raindrops, etc. from entering the cabinet inner cavity and plays a sealing role. The battery accommodation areas are arranged in the width direction of the cabinet body frame; at the middle part of the cabinet body frame in the length direction, there are a side door frame 5 and a top cover frame 6 adjacent to the side door frame. A side door 51 is detachably installed on the side door frame 5, and a top cover 61 is detachably installed on the top cover frame 6. The setting of the side door and the top cover is beneficial to the assembly, maintenance and inspection of devices.

[0046] There are corresponding markings such as grounding on the side door 51; at the border of the top cover frame adjacent to the side door frame, there is a top positioning plate 62 for positioning the top cover 61 (there are threaded holes on the top positioning plate for installing the top cover). There are also corresponding markings such as grounding on the top cover 61. Due to requirements such as weight reduction, maintenance, and installation, the top cover is preferably made of aluminum plate. To strengthen its strength, reinforcing ribs are also punched in the middle. Sealing strips are pasted on the contact surfaces between the side door and the side door frame, and between the top cover and the top cover frame. The main function of the sealing strip is to seal and reduce the vibration caused by the operation of the rail vehicle.

[0047] For the convenience of the operator to assemble and repair the device more easily, the side door 51 is generally bolted to the side door frame 5, and the top cover plate 61 is bolted to the top cover plate frame 6. Screw holes are provided on the other two side frames of the top cover plate frame, and studs are installed. That is, these two side frames and the top positioning plate form a set of components to install the top cover plate.

[0048] The main body of the cabinet body skeleton 1 mainly includes a cabinet bottom frame 11, a top frame 12, and multiple vertical beams 13 connecting the cabinet bottom frame and the top frame. A bottom sealing plate 111 is provided on the cabinet bottom frame 11, a top sealing plate 121 is provided on the top frame, and a side sealing plate 131 is provided on the boundary surface between the cabinet bottom frame and the top frame except for the side where the cabinet door is provided. The top sealing plate, the bottom sealing plate, and the side sealing plate are all connected to the cabinet body skeleton by riveting or bonding. The main frame structure of the cabinet body skeleton is made of square tubes.

[0049] Both ends of the top frame 12 have extending sections extending beyond the two side cabinet doors 2 of the battery cabinet. The side beam at the intersection of the top frame 12 and the cabinet door 2 is a horizontal side beam 122. The extending section has an extending horizontal side beam 123 arranged parallel to the horizontal side beam and an extending vertical side beam 124 extending from the top frame. A lifting lap plate 125 is welded on the extending vertical side beam 124, and threads are arranged on the lifting lap plate for threaded connection with a lifting plate 126. The lifting plate 126 is used for lifting the battery cabinet to protect the cabinet body from damage and unnecessary safety accidents, etc. Since the battery cabinet needs to be suspended under the vehicle, in this embodiment, two lifting shafts 127 are evenly arranged on each extending horizontal side beam 123, as Figure 4 shown. In this way, the entire weight of the battery cabinet is borne by the four lifting shafts 127. The lifting shafts are inserted into the horizontal side beam 122 and the extending horizontal side beam 123 in an interpenetrating manner. A lifting shaft sealing plate 128 is provided at the position where the lifting shaft penetrates the extending horizontal side beam to play a role in locally strengthening the lifting shaft. A lifting shaft block 129 penetrating the extending horizontal side beam is also provided at the center of the distance between the two lifting shafts. The lifting shaft block can be used for the normal lifting of the battery cabinet and is connected to the bottom of the vehicle body. When assembling the battery cabinet, this part is first connected to the vehicle body, and then the lifting shafts are docked. Before the lifting shafts are installed, the lifting shaft block can play an auxiliary role to prevent the battery cabinet from falling and bear a part of the force received by the battery cabinet.

[0050] As Figure 10As shown, the bottom frame 11 of the cabinet is correspondingly divided into four areas corresponding to the four battery accommodation areas. On both sides of each area in the length direction, there are first mounting plates 112, and at the central axis of each area in the length direction, there is a second mounting plate 113. Both types of mounting plates are bent from sheet metal. Studs can be installed on the first mounting plate 112 to facilitate the subsequent assembly of the battery; the second mounting plate 113 needs to have higher strength, and a through-round hole is opened on its side for wire routing when installing subsequent devices; the first mounting plate 112 and the second mounting plate 113 as a whole also play a role in strengthening the skeleton of the bottom frame of the cabinet; there are also multiple screw holes on the skeleton of the bottom frame of the cabinet for the installation of subsequent devices. At the start of the screw hole near the end of the first mounting plate 112, there is also a stud sealing plate 114 (see Figure 10 and 11 shown). The stud sealing plate 114 can strengthen this part. At the same time, because it forms a step, it can ensure that the device is not connected to the cabinet body after installation, preventing damage to the paint on the surface of the cabinet body during installation.

[0051] As Figure 6 shown, the upper-layer battery support 41 includes a support bottom frame 411, a left support 412, a right support 413, and an upper-layer battery positioning plate 414 provided at one end of the support bottom frame. On the outer surfaces of the left support 412 and the right support 413, there are symmetrically arranged support rotating shafts 415 near the end of the upper-layer battery positioning plate. As Figure 3 and Figure 7 shown, on the side door frame 5, there is a horizontally suspended bearing seat installation beam 52. A bearing seat 53 is installed on the bearing seat installation beam, and a bearing is provided inside the bearing seat. The support rotating shaft 415 can rotate in cooperation with the bearing; on the other end of the upper-layer battery support, on the outer surfaces of the left support 412 and the right support 413, there are symmetrically arranged hydraulic strut seats 416 at the end far from the upper-layer battery positioning plate. See Figure 8 shown. On the cabinet skeleton 1, there is a hydraulic base 14 corresponding to the position of the hydraulic strut seat near the lower accommodation area. A hydraulic rod A is arranged between the hydraulic base 14 and the hydraulic strut seat 416, forming a hydraulic support system as a whole. In this way, the combination of the hydraulic rod A and the support rotating shaft 415 is equivalent to forming a "see-saw" structure. With the support rotating shaft as the fulcrum, the inclination and horizontal switching of the upper-layer battery positioning plate are realized through the telescopic movement of the hydraulic rod, facilitating the installation and disassembly of the battery.

[0052] The main function of the hydraulic rod in the hydraulic support system is to share part of the weight of the upper-layer battery and ensure the stability of the installation of the upper-layer battery.

[0053] Specifically, the bearing seat 53 is divided into a bearing base and an arc-shaped cover plate. Before the installation of the upper-layer battery support, the two parts of the bearing seat are separated, and only the bearing base is installed on the bearing seat installation beam. After the support rotating shaft is sleeved with the bearing and placed in the bearing base, then the arc-shaped cover plate is covered, and the arc-shaped cover plate and the bearing base are connected with bolts.

[0054] The support rotating shaft is made of round steel and welded to the left and right supports. The outer surfaces of the left and right supports are also provided with rotating shaft reinforcement plates to strengthen the structure of the upper battery support.

[0055] After the upper battery support is assembled with the battery and adjusted to a horizontal state, to ensure that the upper battery support remains fixed, as Figure 9 shown, a support support plate 7 is also provided below the end of the upper battery support 41 near the hydraulic rod A. Both ends of the support support plate 7 have mounting ends 71. The mounting ends 71 are installed on the edge vertical beam 13 of the cabinet body skeleton through bolts. The upper battery support 41 also has a lap joint block 417 bolted to the edge vertical beam of the cabinet body skeleton at this end. The extending direction of the lap joint block 417 is opposite to the extending direction of the mounting end 71 after the support support plate is installed. Thus, the upper battery support assembled with the battery fixes its two ends through the bearing seat 53 and the support support plate 7 to achieve stable positioning. Of course, when the battery needs to be disassembled, first remove the bolts at the support support plate and the lap joint block, and then adjust the hydraulic rod to tilt the upper battery support.

[0056] In addition, to cooperate with the assembly of the battery to make the battery positioning accurate and the installation stable, as Figure 6 and Figure 9 shown, the upper battery support 41 is also provided with a battery push plate 418 that cooperates with the upper battery positioning plate 414 from both ends of the battery to position and clamp the battery. The battery push plate is connected to the upper battery support and the battery through bolts, that is, after the battery is positioned, the battery push plate is pressed against the end of the battery and then bolted.

[0057] To better achieve the positioning and fixing of the battery, the upper battery support 41 further includes a battery positioning claw plate 419 arranged close to the upper battery positioning plate 414. The surface of the battery positioning claw plate 419 facing the battery is a wedge-shaped slope structure, and sharp corners are arranged on the wedge-shaped slope structure. The sharp corner part contacts the rubber part on the battery structure component, which can ensure that the sharp corner and the rubber are in a tightly locked state when contacting, avoiding the battery from shaking due to the train operation.

[0058] As Figures 12 to 14 shown, the lower battery support 42 includes a battery support skeleton 421 and a lower battery positioning plate 422 provided at one end of the battery support skeleton. A battery buffer pad 423 is provided on the outer surface of the lower battery positioning plate.

[0059] Specifically, the lower battery support 42 further includes a battery front handle 424 provided at the other end of the battery support frame, battery mounting plates 425 provided at the bottoms on both sides of the battery support frame, and battery side handles 426 provided at the edges of the two battery mounting plates. The battery front handle facilitates grasping during battery installation and removal operations. The battery support frame 421 supports the weight of the entire battery. The battery mounting plates 425 position the left and right installation positions of the battery. The lower battery positioning plate 422 mainly positions the front and rear positions of the battery installation, and needs to be designed according to the specifications of the battery. The battery buffer pad 423 mainly plays a buffering role to avoid the impact of vibrations generated during vehicle movement on the components.

[0060] Since the inner cavity of the cabinet is divided into four battery accommodation areas and there is no barrier between the two battery accommodation areas along the length direction of the battery cabinet, although the end of the upper battery support facing this area can be positioned by the bearing seat, the feeding depth cannot be estimated when the lower battery support is fed into the battery cabinet for installation. Therefore, a battery middle positioning plate 8 is provided at the corresponding position of the bottom of the inner cavity of the cabinet in this embodiment where the top cover plate frame is set, as Figure 15 shown. Both surfaces of the battery middle positioning plate 8 are in the shape of wedge-shaped slopes, and sharp corner structures are arranged on the wedge-shaped slopes. The battery buffer pad 423 of the lower battery support contacts the sharp corner structures, and can ensure a tightly locked state when contacting, avoiding the battery in the lower battery support from jittering due to the train operation.

[0061] As Figure 16 shown, a heat dissipation device is provided on the cabinet door 2 to dissipate heat from the battery. The cabinet door is designed with a hinge structure, which is beneficial to the assembly, maintenance, and inspection of the devices. The heat dissipation device on the cabinet door includes a first heat dissipation plate 21, a second heat dissipation plate 22, and a third heat dissipation plate 23 arranged in parallel from outside to inside. Heat dissipation openings in the form of louvers are provided on each heat dissipation plate. The first heat dissipation plate 21 and the second heat dissipation plate 22 are attached and their heat dissipation opening positions are correspondingly set, and the heat dissipation openings of the first heat dissipation plate 21 and the second heat dissipation plate 22 face in opposite directions. There is a spacing between the third heat dissipation plate 23 and the second heat dissipation plate 22, and the heat dissipation openings of the third heat dissipation plate 23 face in the opposite direction and are offset from the heat dissipation openings of the second heat dissipation plate 22.

[0062] The sizes of the heat dissipation openings of each heat dissipation plate can be reasonably optimized according to the overall performance of the battery cabinet. The first heat dissipation plate and the second heat dissipation plate are attached and superimposed to control a certain amount of heat dissipation and at the same time prevent a certain amount of rainwater or debris from entering the battery cabinet from the outside. The arrangement of the three heat dissipation plates conforms to the flow direction of the air flow. Through the three-layer air duct design of the three heat dissipation plates, it can be ensured that the amount of heat dissipation is consistent with the amount of heat dissipated by the battery.

[0063] Of course, the main component for heat dissipation is the fan 24 installed inside the cabinet door. It is installed on the third heat dissipation plate. Four fans need to be arranged on each cabinet door 2. Specifically, the rotation speed of the fan blades can be judged and adjusted through a temperature sensor to avoid excessive air volume when the temperature is too low and too small air volume when the temperature is too high, which is beneficial to ensure the efficient and safe operation of the entire battery module.

[0064] Obviously, the above embodiments are only examples for clearly explaining the technical solutions of the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. An on-vehicle battery cabinet, characterized in that, It includes a cabinet body framework, a cabinet inner cavity formed by the cabinet body framework, and a cabinet door provided on the cabinet body framework. The cabinet inner cavity is partitioned into multiple battery accommodation areas. Each battery accommodation area is of a double-layer design including an upper accommodation area and a lower accommodation area. The storage batteries are respectively installed into the upper accommodation area and the lower accommodation area through an upper battery support and a lower battery support. The cabinet door is provided at both ends in the length direction of the cabinet body framework, and the battery accommodation areas are arranged along the width direction of the cabinet body framework. At the middle part in the length direction of the cabinet body framework, there are provided a side door frame and a top cover plate frame adjacent to the side door frame. A side door is detachably installed on the side door frame, and a top cover plate is detachably installed on the top cover plate frame. The upper battery support includes a support bottom frame, a left support, a right support, and an upper battery positioning plate provided at one end of the support bottom frame. On the outer surfaces of the left support and the right support, bracket rotating shafts are symmetrically provided at the ends close to the upper battery positioning plate. A bearing seat mounting beam is suspended on the side door frame, and a bearing seat is installed on the bearing seat mounting beam. A bearing is provided in the bearing seat, and the bracket rotating shaft can cooperate with the bearing to rotate. On the outer surfaces of the left support and the right support, hydraulic strut seats are symmetrically provided at the ends far from the upper battery positioning plate. A hydraulic base corresponding to the position of the hydraulic strut seat is provided on the cabinet body framework near the lower accommodation area, and a hydraulic rod is arranged between the hydraulic base and the hydraulic strut seat.

2. The battery cabinet for a rail vehicle according to claim 1, characterized in that, The side door is bolted to the side door frame, and the top cover plate is bolted to the top cover plate frame.

3. The battery cabinet for a rail vehicle according to claim 1, characterized in that, A support plate for the bracket is further provided below the end of the upper battery support near the hydraulic rod. Both ends of the support plate for the bracket have mounting ends, and the mounting ends are detachably installed on the vertical beams at the edge of the cabinet body framework.

4. The battery cabinet for a rail vehicle according to claim 1 or 3, characterized in that, A battery push plate for positioning and clamping the battery in cooperation with the upper battery positioning plate is further provided on the upper battery support.

5. The battery cabinet for a rail vehicle according to claim 4, characterized in that, The upper battery support further includes a battery positioning claw plate closely arranged adjacent to the upper battery positioning plate. The surface of the battery positioning claw plate facing the battery is of a wedge-shaped slope structure, and sharp corners are arranged on the wedge-shaped slope structure.

6. The battery cabinet for a rail vehicle according to claim 2, characterized in that The lower battery support includes a battery support framework and a lower battery positioning plate provided at one end of the battery support framework. A battery buffer pad is provided on the outer surface of the lower battery positioning plate.

7. The battery cabinet for a rail vehicle according to claim 6, characterized in that, A battery middle positioning plate is provided at the bottom of the cabinet inner cavity corresponding to the position where the top cover plate frame is provided. Both side surfaces of the battery middle positioning plate are of a wedge-shaped slope, and sharp corner structures are arranged on the wedge-shaped slope. The battery buffer pad of the lower battery support contacts the sharp corner structures.

8. The battery cabinet for rail vehicles according to claim 1, characterized in that, Inside the cabinet door, a first heat dissipation plate, a second heat dissipation plate, and a third heat dissipation plate are arranged in parallel from outside to inside. The first heat dissipation plate and the second heat dissipation plate are attached and the positions of their heat dissipation openings are correspondingly arranged. The heat dissipation openings of the first heat dissipation plate and the second heat dissipation plate face in opposite directions. There is a spacing between the third heat dissipation plate and the second heat dissipation plate. The heat dissipation openings of the third heat dissipation plate and the second heat dissipation plate face in opposite directions and are arranged in a staggered manner.

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