Traction transformer oil tank and rail transit vehicle

Abstract

The present invention discloses a traction transformer oil tank and a rail transit vehicle, comprising an oil tank body arranged inside the vehicle; a first mounting member and a second mounting member; the first mounting member is provided with a first reinforcing portion for extending to the bottom wall of the oil tank body for reinforcement, and the second mounting member is provided with a second reinforcing portion for extending to the bottom wall of the oil tank body for reinforcement. With the device, the oil tank is arranged inside the vehicle, and compared with the original installation method in which the traction transformer is arranged at the bottom of the vehicle, the space in the height direction is increased, thereby solving the problem of the large length and width of the oil tank and the high sealing performance requirements due to the height space limitation of the installation at the bottom of the vehicle; solving the influence of foreign matter such as rainwater and dust on the transformer, improving the reliability of the traction transformer; and providing multiple possibilities for the equipment layout of rail transit vehicles.

Description

Technical Field

[0001] The present invention relates to the technical field of transformers, and more specifically, to a traction transformer oil tank, and also to a rail transit vehicle comprising the traction transformer oil tank. Background Art

[0002] In the existing rail transit field, traction transformers are mostly installed on the bottom of the vehicle. The transformer is suspended and installed through four mounting seats on the top of the oil tank, or suspended and installed on the bottom of the vehicle through mounting beams. Due to the height and space limitations, the length and width of this type of bottom-mounted transformer are large, and the sealing performance requirements are high, so most of them are oil-immersed transformers. Summary of the invention

[0003] In view of this, the first object of the present invention is to provide a traction transformer oil tank that can be installed inside a vehicle and at the bottom of the oil tank, thereby improving the space utilization of the vehicle. The second object of the present invention is to provide a rail transit vehicle including the traction transformer oil tank.

[0004] In order to achieve the above first object, the present invention provides the following technical solutions:

[0005] A traction transformer oil tank, comprising:

[0006] A fuel tank body disposed inside the vehicle;

[0007] A first mounting member provided at the bottom of the oil tank body close to the vehicle wall and used for fixing to the vehicle wall;

[0008] A second mounting member provided at the bottom of the fuel tank body close to the vehicle body and used for fixing to the vehicle body;

[0009] The first mounting member is provided with a first reinforcing portion extending to the bottom wall of the oil tank body for reinforcement, and the second mounting member is provided with a second reinforcing portion extending to the bottom wall of the oil tank body for reinforcement.

[0010] Preferably, the first mounting member comprises:

[0011] A first mounting plate having the first reinforcement portion is provided, wherein a wedge-shaped groove matching the vehicle wall is provided on an end wall of the first mounting plate close to the vehicle wall;

[0012] A plurality of first mounting holes are arranged on the first mounting plate and are arranged along a horizontal direction.

[0013] Preferably, there are two first mounting holes, and the two first mounting holes are respectively arranged in the two wedge-shaped grooves.

[0014] Preferably, it also includes:

[0015] A threaded fastener is used for installation with the first installation hole, and the first installation part is fixed to the vehicle wall via the threaded fastener.

[0016] Preferably, the wedge-shaped groove is a trapezoidal groove, and a plurality of trapezoidal grooves are evenly arranged at preset intervals on the first mounting plate.

[0017] Preferably, the second mounting member comprises:

[0018] A second mounting plate provided with the second reinforcement portion;

[0019] A second mounting hole provided on the second mounting plate along the vertical direction;

[0020] A grounding seat is arranged on the second mounting plate, and the grounding seat is provided with a grounding through hole for a grounding wire to pass through.

[0021] Preferably, it also includes:

[0022] A second threaded fastener is used for mounting with the second mounting hole, and the second mounting member is fixed to the vehicle body via the second threaded fastener.

[0023] Preferably, the first mounting member and the second mounting member are respectively fixed to the oil tank body by welding.

[0024] Preferably, the number of the first mounting members and the number of the second mounting members are two respectively, and the two first mounting members and the two second mounting members are respectively arranged opposite to each other on a group of opposite sides of the bottom wall of the oil tank body.

[0025] The traction transformer oil tank provided by the present invention comprises: an oil tank body arranged inside a vehicle; a first mounting member arranged at the bottom of the oil tank body close to the vehicle wall and used for fixing to the vehicle wall; a second mounting member arranged at the bottom of the oil tank body close to the vehicle body and used for fixing to the vehicle body; the first mounting member is provided with a first reinforcement portion extending to the bottom wall of the oil tank body for reinforcement, and the second mounting member is provided with a second reinforcement portion extending to the bottom wall of the oil tank body for reinforcement.

[0026] Compared with the prior art, the traction transformer oil tank provided by the present invention has the following technical effects:

[0027] First, the fuel tank is installed inside the vehicle. Compared with the original installation method where the traction transformer is installed at the bottom of the vehicle, the space in the height direction is increased, which solves the problem of the fuel tank being larger in length and width and having high requirements for sealing performance due to the height space limitation of the installation at the bottom of the vehicle.

[0028] Second, it can solve the impact of external rain, dust and other foreign objects on the transformer, improve the reliability of the traction transformer, and provide multiple possibilities for the equipment layout of rail transit vehicles;

[0029] Third, by providing the first reinforcement part and the second reinforcement part, the fixation of the oil tank and the first mounting member and the second mounting member is reinforced to improve the stability of the device.

[0030] In order to achieve the above-mentioned second purpose, the present invention also provides a rail transit vehicle, which includes any one of the above-mentioned traction transformer oil tanks. Since the above-mentioned traction transformer oil tank has the above-mentioned technical effects, the rail transit vehicle having the traction transformer oil tank should also have corresponding technical effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of the installation structure of a first installation member provided in an embodiment of the present invention;

[0033] Figure 2 A schematic diagram of the installation structure of the second installation member provided in an embodiment of the present invention;

[0034] Figure 3 A schematic diagram of the axonometric structure of a first mounting member provided in an embodiment of the present invention;

[0035] Figure 4 This is a schematic diagram of the axonometric structure of the second mounting member provided in an embodiment of the present invention.

[0036] The following are marked in the accompanying drawings:

[0037] A first mounting member 1, a second mounting member 2, a grounding seat 3, and a fuel tank body 4;

[0038] A first reinforcement portion 11 and a first mounting hole 12;

[0039] The second mounting hole 21 and the second reinforcement portion 22 . DETAILED DESCRIPTION

[0040] The embodiment of the present invention discloses a traction transformer oil tank, which can be installed inside a vehicle and at the bottom of the oil tank, and improves the space utilization of the vehicle.

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-Figure 4 , Figure 1 A schematic diagram of the installation structure of a first installation member provided in an embodiment of the present invention; Figure 2 A schematic diagram of the installation structure of the second installation member provided in an embodiment of the present invention; Figure 3 A schematic diagram of the axonometric structure of a first mounting member provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the axonometric structure of the second mounting member provided in an embodiment of the present invention.

[0043] In a specific embodiment, the traction transformer oil tank provided by the present invention includes:

[0044] A fuel tank body 4 disposed inside the vehicle;

[0045] A first mounting member 1 is provided at the bottom of the fuel tank body 4 close to the vehicle wall and is used for fixing to the vehicle wall;

[0046] A second mounting member 2 is provided at the bottom of the fuel tank body 4 close to the vehicle body and is used for fixing to the vehicle body;

[0047] The first mounting member 1 is provided with a first reinforcing portion 11 for extending to the bottom wall of the fuel tank body 4 for reinforcement, and the second mounting member is provided with a second reinforcing portion 22 for extending to the bottom wall of the fuel tank body 4 for reinforcement.

[0048] The first mounting member 1 and the second mounting member 2 are preferably of the same structure to facilitate production and processing. The first mounting member 1 and the second mounting member 2 can be respectively set as mounting plates, and the number of the first mounting member 1 and the second mounting member 2 is set according to the size of the tank body 4. The structure of the tank body 4 can refer to the prior art and will not be repeated here. The first mounting member 1 and the first reinforcement portion 11 are preferably arranged in an integrated manner, and the first reinforcement portion 11 extends to the bottom wall of the tank body 4 to increase the contact area between the first mounting member 1 and the tank body 4, improve the connection strength between the first mounting member 1 and the tank body 4, and improve the reliability of the device; similarly, the second mounting member 2 and the second reinforcement portion 22 are preferably arranged in an integrated manner, and the connection strength between the second mounting member 2 and the tank body 4 is improved by setting the second reinforcement portion 22, further improving the reliability of the device.

[0049] Compared with the prior art, the traction transformer oil tank provided by the present invention has the following technical effects:

[0050] First, the fuel tank is installed inside the vehicle. Compared with the original installation method where the traction transformer is installed at the bottom of the vehicle, the space in the height direction is increased, which solves the problem of the fuel tank being larger in length and width and having high requirements for sealing performance due to the height space limitation of the installation at the bottom of the vehicle.

[0051] Second, it can solve the impact of external rain, dust and other foreign objects on the transformer, improve the reliability of the traction transformer, and provide multiple possibilities for the equipment layout of rail transit vehicles;

[0052] Thirdly, the first reinforcing portion 11 and the second reinforcing portion 22 are provided to reinforce the fixation of the oil tank and the first mounting member 1 and the second mounting member 2 to improve the stability of the device.

[0053] Specifically, the first mounting member 1 includes:

[0054] A first mounting plate with a first reinforcement portion 11 is welded and fixed to the fuel tank body 4, preferably, the end wall of the first mounting plate is welded and fixed to the end wall of the fuel tank body 4. In order to increase the contact area between the first mounting plate and the vehicle wall to improve the connection strength, a wedge-shaped groove matching the vehicle wall and a plurality of first mounting holes 12 arranged on the first mounting plate and arranged in the horizontal direction are provided on the end wall of the first mounting plate close to the vehicle wall. The wedge-shaped groove is preferably set as a rectangular groove, an arc groove, etc., and the specific structure of the wedge-shaped groove can be set as required, all within the protection scope of the present invention. It can be understood that a corresponding wedge-shaped protrusion is set on the vehicle wall to cooperate with the wedge-shaped groove to improve the connection strength between the first mounting plate and the vehicle body.

[0055] The first mounting hole 12 can be a through hole or a threaded hole, and is set according to the connection method between the first mounting member 1 and the vehicle wall. Similarly, the number of the first mounting holes 12 is also set according to the needs. Preferably, the number of the first mounting holes 12 is two, and the two first mounting holes 12 are respectively set in two wedge-shaped grooves to facilitate the setting of the first mounting holes 12. Among them, the first reinforcement part 11 is preferably set in a triangular prism or a rectangular parallelepiped shape, and one side is fixed to the bottom wall of the fuel tank body 4.

[0056] In order to facilitate the fixing of the vehicle wall and the first mounting member 1, the device further comprises:

[0057] The first mounting member 1 is fixed to the vehicle wall via a threaded fastener used for mounting with the first mounting hole 12; the threaded fastener can be set as a bolt.

[0058] Among them, the wedge-shaped groove is a trapezoidal groove, and a plurality of trapezoidal grooves are evenly arranged on the first mounting plate at preset intervals, and the lower bottom surface of the trapezoidal groove is arranged outward, and the contact area with the vehicle wall is further increased by arranging the trapezoidal groove.

[0059] In one embodiment, the second mounting member 2 comprises:

[0060] A second mounting plate having a second reinforcement portion 22;

[0061] A second mounting hole 21 provided on the second mounting plate along the vertical direction;

[0062] The grounding base 3 is arranged on the second mounting plate, and the grounding base 3 is provided with a grounding through hole for the grounding wire to pass through.

[0063] The end wall of the second mounting plate is flush with the end wall of the bottom surface of the fuel tank. The structure of the second reinforcement part 22 can be set with reference to the first reinforcement part 11. The second reinforcement part 22 is preferably set in an integral manner with the second mounting plate. The second mounting hole 21 is set in the vertical direction. The second mounting member 2 is set above the vehicle body and is fixed to the vehicle body in the vertical direction through the second mounting hole 21 set in the vertical direction. The second mounting hole 21 can be set as a through hole or a threaded hole, preferably fixed with a threaded fastener. Among them, a grounding wire is connected between the grounding through hole and the vehicle body to ensure the safety of the device. Specifically, the first mounting hole 12 is an M20 threaded hole, and the screw is fixed to the vehicle through the threaded hole to fix the fuel tank body 4 on the vehicle wall; the second mounting hole 21 is provided with a round hole with a diameter of 30 mm, and the bolt is connected to the vehicle body through the second mounting hole 21 of the second mounting plate to fix the fuel tank on the vehicle body.

[0064] Furthermore, it also includes:

[0065] The second threaded fastener is used to be installed with the second mounting hole 21, and the second mounting member 2 is fixed to the vehicle body through the second threaded fastener. The second threaded fastener is installed in the second mounting hole 21 to achieve the fixation of the second mounting member 2 and the vehicle body. The number of the second mounting hole 21 is set as needed, preferably one.

[0066] In order to further improve the connection strength, the first mounting member 1 and the second mounting member 2 are respectively fixed to the oil tank body 4 by welding.

[0067] On the basis of the above embodiments, the number of the first mounting members 1 and the number of the second mounting members 2 are two respectively, and the two first mounting members 1 and the two second mounting members 2 are respectively arranged on a group of opposite sides of the bottom wall of the oil tank body 4.

[0068] The fuel tank body 4 is a rectangular parallelepiped structure, the first mounting member 1 and the second mounting member 2 are arranged on the bottom wall of the fuel tank body 4, and all the first mounting members 1 are respectively arranged on the edge close to the vehicle wall, and all the second mounting members 2 are respectively arranged on the edge close to the vehicle body, and the two are arranged oppositely.

[0069] The above device realizes the installation of the traction transformer oil tank inside the vehicle, eliminates the influence of external foreign matter such as rainwater and dust on the transformer, and improves the reliability of the traction transformer; at the same time, it provides a new feasible solution for the layout of rail transit vehicle components.

[0070] Based on the traction transformer oil tank provided in the above embodiments, the present invention also provides a rail transit vehicle, which includes any one of the traction transformer oil tanks in the above embodiments. Since the rail transit vehicle adopts the traction transformer oil tank in the above embodiments, please refer to the above embodiments for the beneficial effects of the rail transit vehicle.

[0071] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A traction transformer oil tank, characterized in that: include: A fuel tank body disposed inside the vehicle; A first mounting member provided at the bottom of the fuel tank body close to the vehicle wall and used for fixing to the vehicle wall; A second mounting member provided at the bottom of the fuel tank body close to the vehicle body and used for fixing to the vehicle body; The first mounting member is provided with a first reinforcing portion extending to the bottom wall of the fuel tank body for reinforcement, and the second mounting member is provided with a second reinforcing portion extending to the bottom wall of the fuel tank body for reinforcement; The first mounting member comprises: A first mounting plate having the first reinforcement portion is provided, wherein a wedge-shaped groove matching the vehicle wall is provided on an end wall of the first mounting plate close to the vehicle wall; A plurality of first mounting holes are arranged on the first mounting plate and are arranged along a horizontal direction.

2. The traction transformer oil tank according to claim 1, characterized in that: The number of the first mounting holes is two, and the two first mounting holes are respectively arranged in the two wedge-shaped grooves.

3. The traction transformer oil tank according to claim 1, characterized in that: Also includes: A threaded fastener is used for installation with the first installation hole, and the first installation part is fixed to the vehicle wall via the threaded fastener.

4. The traction transformer oil tank according to claim 2, characterized in that: The wedge-shaped groove is a trapezoidal groove, and a plurality of trapezoidal grooves are evenly arranged on the first mounting plate at preset intervals.

5. The traction transformer oil tank according to claim 1, characterized in that: The second mounting member comprises: A second mounting plate provided with the second reinforcement portion; A second mounting hole provided on the second mounting plate along the vertical direction; A grounding seat is arranged on the second mounting plate, and the grounding seat is provided with a grounding through hole for a grounding wire to pass through.

6. The traction transformer oil tank according to claim 5, characterized in that: Also includes: A second threaded fastener is used for mounting with the second mounting hole, and the second mounting member is fixed to the vehicle body via the second threaded fastener.

7. The traction transformer oil tank according to claim 1, characterized in that: The first mounting member and the second mounting member are respectively fixed to the oil tank body by welding.

8. The traction transformer oil tank according to any one of claims 1 to 7, characterized in that: The number of the first mounting members and the number of the second mounting members are two respectively, and the two first mounting members and the two second mounting members are respectively arranged opposite to each other on a group of opposite sides of the bottom wall of the oil tank body.

9. A rail transit vehicle, characterized in that: Comprising the traction transformer oil tank according to any one of claims 1-8.

Images