Rail vehicle underframe electrical connector mounting structure

Abstract

The utility model relates to a kind of rail vehicle underframe electrical connector mounting structure, the mounting structure includes support main body, connector two mounting plate, plug mounting support, connector one, connector two and plug;The top surface of support main body is provided with the corner and multiple first long round holes matched with the arc-shaped bottom surface of traction beam;The top of support main body is fixedly installed on the arc-shaped bottom surface of car body traction beam by the connecting structure installed in the first long round hole, and the installation position of support main body in the length direction of car body is adjusted using the first long round hole;The front end lower side of support main body is sequentially fixedly installed with connector one and plug mounting support, and the rear end lower side is fixedly installed with two connector two mounting plates;Plug is fixedly installed on plug mounting support;Connector two is fixedly installed between two connector two mounting plates.The above-mentioned mounting structure has the characteristics of simple structure, space saving, reducing installation tolerance and improving installation precision.

Description

Technical Field

[0001] This utility model belongs to the field of rail vehicle technology, and specifically relates to an electrical connector installation structure for a rail vehicle chassis. Background Technology

[0002] In the rail transit equipment industry, due to the customized needs of some customers, it is necessary to install the electrical connectors under the train on the bottom surface of the traction beam. However, this installation location brings many challenges. First, since the bottom surface of the traction beam is usually a curved structure, the linear dimensional tolerance is relatively large, affecting the installation accuracy of the electrical connectors. In addition, this installation location is also subject to strict restrictions on the bogie movement limits, making the installation conditions of the electrical connectors even more demanding. Utility Model Content

[0003] To address the installation accuracy issues associated with existing electrical connectors mounted on the bottom surface of traction beams, this invention provides an electrical connector mounting structure for rail vehicle underframes. This structure is characterized by its simplicity, space saving, reduced installation tolerances, and improved installation accuracy.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] An electrical connector mounting structure for a rail vehicle chassis includes a bracket body, a connector two mounting plate, a plug mounting bracket, a connector one, a connector two, and a plug.

[0006] The top surface of the bracket body is provided with a corner that matches the arc-shaped bottom surface of the traction beam and a plurality of first elongated holes; the top of the bracket body is fixedly installed on the arc-shaped bottom surface of the vehicle body traction beam through a connecting structure installed in the first elongated holes, and the installation position of the bracket body in the length direction of the vehicle body is adjusted by using the first elongated holes.

[0007] The connector one and the plug mounting bracket are fixedly installed sequentially on the lower front side of the main body of the bracket, and two connector two mounting plates are fixedly installed on the lower rear side.

[0008] The plug is fixedly installed on the plug mounting bracket;

[0009] The second connector is fixedly installed between the two second connector mounting plates and is positioned opposite to the first connector along the length of the vehicle body.

[0010] Furthermore, the front mounting plates extending downwards are symmetrically arranged on both sides of the front end of the main body of the bracket;

[0011] The front mounting plate is provided with a second elongated oval hole and a third elongated oval hole located below the second elongated oval hole; the connector is installed between the two front mounting plates by a fastener passing through the second elongated oval hole; the plug mounting bracket is installed between the two front mounting plates by a fastener passing through the third elongated oval hole; the length directions of the second elongated oval hole and the third elongated oval hole are both set along the height direction of the vehicle body, the tolerance of the connector in the height direction of the vehicle body is adjusted by the second elongated oval hole, and the tolerance of the plug mounting bracket in the height direction of the vehicle body is adjusted by the third elongated oval hole.

[0012] Furthermore, the rear end connecting ears extending downwards are symmetrically arranged on both sides of the rear end of the main body of the bracket;

[0013] The second connector mounting plate is provided with a fourth elongated hole and a fifth elongated hole located below the fourth elongated hole, and is fixedly installed to the rear connecting ear by fasteners passing through the fourth elongated hole; the length direction of the fourth elongated hole is set along the length direction of the vehicle body, and is used to adjust the tolerance of the second connector mounting plate in the length direction of the vehicle body;

[0014] The second connector is fixedly installed on the second connector mounting plate by fasteners that pass through the fifth elongated hole; the length direction of the fifth elongated hole is set along the height direction of the vehicle body, and is used to adjust the tolerance of the second connector in the height direction of the vehicle body.

[0015] Furthermore, the plug mounting bracket is provided with an end plate and connecting side plates fixedly connected to both ends of the end plate;

[0016] The connecting side plate corresponds one-to-one with the front mounting plate and is fixedly connected by fasteners.

[0017] The end plate is located between the front mounting plate and the rear connecting ear;

[0018] The plug is fixedly installed on the end plate by fasteners.

[0019] Furthermore, the connecting side plate is provided with a sixth elongated hole that corresponds one-to-one with the third elongated hole;

[0020] The length direction of the sixth elongated hole is set along the length direction of the vehicle body, and it is used to adjust the tolerance of the plug in the length direction and height direction of the vehicle body through the sixth elongated hole and the third elongated hole;

[0021] The end plate is provided with a seventh elongated hole, the length of which is along the width of the vehicle body. By changing the position of the fastener in the seventh elongated hole, the tolerance of the plug in the width of the vehicle body can be adjusted.

[0022] Furthermore, the length direction of the first elongated hole is set along the length direction of the vehicle body.

[0023] Furthermore, the connection structure includes a snap-fit ​​block and a snap-fit ​​groove that correspond one-to-one and engage with each other.

[0024] The snap-fit ​​groove is formed on the arc-shaped bottom surface of the traction beam;

[0025] The snap-fit ​​block is installed on the top surface of the bracket body and snaps into the corresponding snap-fit ​​groove.

[0026] Furthermore, the locking block is a T-bolt; the locking groove is a T-groove.

[0027] Furthermore, the snap-fit ​​block is fixedly installed to the bracket body by a fastener passing through the first elongated hole.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] 1. The mounting structure uses a bracket body, a connector two mounting plate, and a plug mounting bracket to suspend connector one, connector two, and the plug at the bottom of the vehicle body traction beam. The bracket body has a corner on its top surface that matches the arc-shaped bottom surface of the traction beam, allowing the mounting structure to be installed close to the vehicle body traction beam. The structure is simple and saves space.

[0030] 2. This mounting structure allows for adjustment of the entire structure and individual components in the length and height directions of the vehicle body via elongated holes at the connection points. This absorbs the manufacturing tolerances of the vehicle body traction beam and the installation tolerances between connector one and connector two. Therefore, the above-mentioned mounting structure can reduce installation tolerances and improve installation accuracy. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of the electrical connector mounting structure for the rail vehicle chassis of this utility model;

[0032] Figure 2 yes Figure 1 Schematic diagram of the main structure of the central support;

[0033] Figure 3 yes Figure 1 Schematic diagram of the mounting plate of connector 2;

[0034] Figure 4 yes Figure 1 Schematic diagram of the structure of the middle plug mounting bracket;

[0035] Figure 5 This is a schematic diagram of the structure of the rail vehicle underframe electrical connector installation structure after it is connected to the lower surface of the vehicle body traction beam.

[0036] Reference numerals: 1-Bracket body; 2-Connector II mounting plate; 3-Plug mounting bracket; 4-Connector I; 5-Connector II; 6-Plug; 7-Traction beam; 11-First elongated hole; 12-Front end mounting plate; 13-Rear end connecting ear; 14-Second elongated hole; 15-Third elongated hole; 21-Fourth elongated hole; 22-Fifth elongated hole; 31-Connecting side plate; 32-End plate; 33-Sixth elongated hole; 34-Seventh elongated hole. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] This utility model embodiment provides an electrical connector mounting structure for a rail vehicle chassis, as shown in the attached figure. Figure 1 As shown, the mounting structure includes a bracket body 1, a connector two mounting plate 2, a plug mounting bracket 3, a connector one 4, a connector two 5, and a plug 6; wherein:

[0039] like Figure 1 and Figure 2 As shown, the top surface of the support body 1 is provided with a corner that matches the arc-shaped bottom surface of the traction beam 7 and multiple first elongated holes 11. In this embodiment, four first elongated holes 11 are provided, and the length direction of the first elongated holes 11 is arranged along the length direction of the vehicle body. Figure 5 As shown, the top of the bracket body 1 is fixedly installed on the arc-shaped bottom surface of the vehicle body traction beam 7 through a connecting structure installed in the first elongated hole 11, and the installation position of the bracket body 1 in the length direction of the vehicle body is adjusted by using the first elongated hole 11.

[0040] The connection structure between the support body 1 and the traction beam 7 can be achieved using various connection methods. In this embodiment, such as... Figure 5Taking this as an example, the connection structure includes two pairs of corresponding and engaging snap-fit ​​blocks and slots. A pair of engaging snap-fit ​​blocks and slots are respectively provided at the front and rear ends of the bracket body 1. The snap-fit ​​slots are formed on the arc-shaped bottom surface of the traction beam 7, and can be achieved by welding components with snap-fit ​​slots to the bottom surface of the traction beam 7. The snap-fit ​​blocks are installed on the top surface of the bracket body 1 and snap into the corresponding snap-fit ​​slots. When the snap-fit ​​block is a T-bolt, the corresponding snap-fit ​​slot is a T-groove. The snap-fit ​​blocks are fixedly installed on the bracket body 1 by fasteners passing through the first elongated hole 11, and the installation position of the bracket body 1 in the length direction of the vehicle body is adjusted by adjusting the position of the fasteners in the first elongated hole 11.

[0041] Connector 4 and plug mounting bracket 3 are fixedly installed on the lower front side of the bracket body 1. Plug 6 is fixedly installed on the plug mounting bracket 3 and is located below connector 4. Two connector mounting plates 2 are fixedly installed on the lower rear side of the bracket body 1. Connector 5 is fixedly installed between the two connector mounting plates 2 and is positioned opposite to connector 4 along the length of the vehicle body.

[0042] like Figure 1 and Figure 2 As shown, to facilitate the demonstration of the specific structure of the main body 1 of the support frame... Figure 2 The main body of the support frame 1 is rotated 180°, that is, Figure 2 The support body 1 has its bottom facing upward and its top facing downward. The front mounting plates 12 extending downward are symmetrically arranged on both sides of the front end of the support body 1. The front mounting plates 12 are provided with a second elongated hole 14 and a third elongated hole 15 located below the second elongated hole 14. In this embodiment, there are 2 second elongated holes 14 and 4 third elongated holes 15.

[0043] like Figure 1 and Figure 5 As shown, connector 4 is mounted between the two front mounting plates 12 via fasteners that pass through the second elongated hole 14. Plug mounting bracket 3 is mounted between the two front mounting plates 12 via fasteners that pass through the third elongated hole 15. The length directions of both the second and third elongated holes 14 and 15 are along the height direction of the vehicle body. The tolerance of connector 4 in the height direction is adjusted via the second elongated hole 14, and the tolerance of plug mounting bracket 3 in the height direction is adjusted via the third elongated hole 15.

[0044] like Figure 2 and Figure 3As shown, the rear end connecting ears 13 extending downwards are symmetrically arranged on both sides of the rear end of the bracket body 1; the connector two mounting plate 2 is provided with a fourth elongated oval hole 21 and a fifth elongated oval hole 22 provided below the fourth elongated oval hole 21, and is fixedly installed on the rear end connecting ears 13 by fasteners passing through the fourth elongated oval hole 21. The rear end connecting ears 13 may be provided with through holes or threaded holes corresponding to the fourth elongated oval hole 21; the length direction of the fourth elongated oval hole 21 is set along the length direction of the vehicle body, and is used to adjust the tolerance of the connector two mounting plate 2 in the length direction of the vehicle body; the connector two 5 is fixedly installed on the connector two mounting plate 2 by fasteners passing through the fifth elongated oval hole 22; the length direction of the fifth elongated oval hole 22 is set along the height direction of the vehicle body, and is used to adjust the tolerance of the connector two 5 in the height direction of the vehicle body. The fourth elongated hole 21 and the fifth elongated hole 22 on the lower side of the connector two mounting plate 2 can be used to adjust the position of connector two 5, which is fixedly installed between the connector two mounting plates 2, in the length and height directions of the vehicle body, thereby overcoming the installation tolerance between connector two 5 and connector one 4.

[0045] like Figure 1 and Figure 4 As shown, the plug mounting bracket 3 is provided with an end plate 32 and connecting side plates 31 fixedly connected to both ends of the end plate 32; the connecting side plates 31 correspond one-to-one with the front mounting plate 12 and are fixedly connected by fasteners; the end plate 32 is located between the front mounting plate 12 and the rear connecting ear 13; the plug 6 is fixedly mounted on the end plate 32 by fasteners. The connecting side plate 31 is provided with a sixth elongated oval hole 33 corresponding one-to-one with the third elongated oval hole 15, and the sixth elongated oval hole 33 has the same number as the third elongated oval hole 15, which is also 4. The length direction of the sixth elongated oval hole 33 is set along the length direction of the vehicle body, and is used to adjust the tolerance of the plug 6 in the length direction and height direction of the vehicle body through the sixth elongated oval hole 33 and the third elongated oval hole 15. The end plate 32 is provided with 4 seventh elongated oval holes 34, the length direction of the seventh elongated oval holes 34 is set along the width direction of the vehicle body, and the tolerance of the plug 6 in the width direction of the vehicle body can be adjusted by changing the position of the fastener in the seventh elongated oval hole 34.

[0046] In the above installation structure, the fasteners can be any fasteners such as screws, bolts, and pins to achieve a fixed connection.

[0047] The above-mentioned installation structure uses the bracket body 1, connector 2 mounting plate 2, and plug mounting bracket 3 to suspend connector 1 4, connector 2 5, and plug 6 to the bottom of the vehicle body traction beam 7. The bracket body 1 has a corner on its top surface that matches the arc-shaped bottom surface of the traction beam 7, so that the installation structure can be installed close to the bottom surface of the vehicle body traction beam 7. The structure is simple and saves space.

[0048] The above-mentioned mounting structure can adjust the entire structure and each component in the length and height directions of the vehicle body through the elongated hole set at the connection, thereby absorbing the manufacturing tolerance of the vehicle body traction beam 7 and the installation tolerance between connector 1 4 and connector 2 5. Therefore, the above-mentioned mounting structure can reduce the installation tolerance and improve the installation accuracy.

[0049] Obviously, those skilled in the art can make various modifications and variations to the embodiments of this utility model without departing from the spirit and scope of this utility model. Therefore, if these modifications and variations of this utility model fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A mounting structure for an electrical connector on a rail vehicle chassis, characterized in that, Includes the bracket body, connector two mounting plate, plug mounting bracket, connector one, connector two, and plug; The top surface of the bracket body is provided with a corner that matches the arc-shaped bottom surface of the traction beam and a plurality of first elongated holes; the top of the bracket body is fixedly installed on the arc-shaped bottom surface of the vehicle body traction beam through a connecting structure installed in the first elongated holes, and the installation position of the bracket body in the length direction of the vehicle body is adjusted by using the first elongated holes. The connector one and the plug mounting bracket are fixedly installed sequentially on the lower front side of the main body of the bracket, and two connector two mounting plates are fixedly installed on the lower rear side. The plug is fixedly installed on the plug mounting bracket; The second connector is fixedly installed between the two second connector mounting plates and is positioned opposite to the first connector along the length of the vehicle body.

2. The installation structure according to claim 1, characterized in that, The front mounting plates extending downwards are symmetrically arranged on both sides of the front end of the main body of the bracket. The front mounting plate is provided with a second elongated oval hole and a third elongated oval hole located below the second elongated oval hole; the connector is installed between the two front mounting plates by a fastener passing through the second elongated oval hole; the plug mounting bracket is installed between the two front mounting plates by a fastener passing through the third elongated oval hole; the length directions of the second elongated oval hole and the third elongated oval hole are both set along the height direction of the vehicle body, the tolerance of the connector in the height direction of the vehicle body is adjusted by the second elongated oval hole, and the tolerance of the plug mounting bracket in the height direction of the vehicle body is adjusted by the third elongated oval hole.

3. The installation structure according to claim 2, characterized in that, The rear end of the main body of the bracket is symmetrically provided with rear end connecting ears that extend downward. The second connector mounting plate is provided with a fourth elongated hole and a fifth elongated hole located below the fourth elongated hole, and is fixedly installed to the rear connecting ear by fasteners passing through the fourth elongated hole; the length direction of the fourth elongated hole is set along the length direction of the vehicle body, and is used to adjust the tolerance of the second connector mounting plate in the length direction of the vehicle body; The second connector is fixedly installed on the second connector mounting plate by fasteners that pass through the fifth elongated hole; the length direction of the fifth elongated hole is set along the height direction of the vehicle body, and is used to adjust the tolerance of the second connector in the height direction of the vehicle body.

4. The installation structure according to claim 3, characterized in that, The plug mounting bracket is provided with an end plate and connecting side plates fixedly connected to both ends of the end plate; The connecting side plate corresponds one-to-one with the front mounting plate and is fixedly connected by fasteners. The end plate is located between the front mounting plate and the rear connecting ear; The plug is fixedly installed on the end plate by fasteners.

5. The installation structure according to claim 4, characterized in that, The connecting side plate is provided with a sixth elongated hole that corresponds one-to-one with the third elongated hole. The length direction of the sixth elongated hole is set along the length direction of the vehicle body, and it is used to adjust the tolerance of the plug in the length direction and height direction of the vehicle body through the sixth elongated hole and the third elongated hole; The end plate is provided with a seventh elongated hole, the length of which is along the width of the vehicle body. By changing the position of the fastener in the seventh elongated hole, the tolerance of the plug in the width of the vehicle body can be adjusted.

6. The installation structure according to claim 1, characterized in that, The length direction of the first elongated hole is set along the length direction of the vehicle body.

7. The installation structure according to any one of claims 1-6, characterized in that, The connection structure includes a snap-fit ​​block and a snap-fit ​​groove that correspond one-to-one and fit together. The snap-fit ​​groove is formed on the arc-shaped bottom surface of the traction beam; The snap-fit ​​block is installed on the top surface of the bracket body and snaps into the corresponding snap-fit ​​groove.

8. The installation structure according to claim 7, characterized in that, The locking block is a T-bolt; the locking groove is a T-groove.

9. The installation structure according to claim 7, characterized in that, The snap-fit ​​block is fixedly installed to the bracket body by a fastener passing through the first elongated hole.

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