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CN-122009257-A - End hoisting partition wall for high-speed motor train unit

CN122009257ACN 122009257 ACN122009257 ACN 122009257ACN-122009257-A

Abstract

The invention relates to the technical field of rail vehicle devices, in particular to an end hoisting partition wall for a high-speed motor train unit, which comprises a partition wall body formed by integral molding, an installation body positioned at the upper end of the partition wall body, and a connecting bracket positioned at the lateral side end of the partition wall body, wherein the installation body is transversely arranged along a rail and positioned between the connecting brackets, the connecting bracket is longitudinally arranged along a train, the installation body is in a plane shape attached to the bottom end of a train body, the hoisting partition wall is connected to the bottom end of the train body through the installation body, the partition wall body is in an arc-shaped surface structure, the whole partition wall body protrudes towards the direction opposite to the running direction of the train, the upper end surface of the connecting bracket is in a plane shape, and the lateral side surface of the connecting bracket is in an arc-shaped surface structure protruding towards the outer side of the rail. The lifting partition wall in the scheme is convenient to install and detach, the overall flatness of product installation can be guaranteed, and the light-weight requirement is met.

Inventors

  • WANG MEIFU
  • DONG YABO
  • ZHOU XINYI
  • ZHOU ZHOU
  • ZHANG WENDING
  • WANG YUPENG
  • Zhou xuri

Assignees

  • 株洲时代新材料科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260401

Claims (10)

  1. 1. The end hoisting partition wall for the high-speed motor train unit is characterized by comprising partition wall bodies (1) formed by integral molding, mounting bodies (2) located at the upper ends of the partition wall bodies (1) and connecting supports (3) located at the lateral side ends of the partition wall bodies (1), wherein the mounting bodies (2) are transversely arranged along a track and located between the connecting supports (3), the connecting supports (3) are longitudinally arranged along a train, the mounting bodies (2) are planar attached to the bottom ends of the train body, the hoisting partition wall is connected to the bottom ends of the train body through the mounting bodies (2), the partition wall bodies (1) are of arc-shaped surface structures, the whole partition wall bodies (1) protrude towards the direction opposite to the running direction of the train, the upper end faces (4) of the connecting supports (3) are of planar, and the lateral sides (5) of the connecting supports (3) are of arc-shaped surface structures protruding towards the outer sides of the track.
  2. 2. The end hoisting partition wall for the high-speed motor train unit according to claim 1 is characterized in that the partition wall body (1) sequentially comprises a first cambered surface section (6), a second cambered surface section (7) and a third cambered surface section (8) from top to bottom, the connecting support (3) is formed at the side ends of the first cambered surface section (6), the second cambered surface section (7) and the third cambered surface section (8), and the first cambered surface section (6) is formed between the mounting body (2) and the second cambered surface section (7).
  3. 3. The end hoisting partition wall for the high-speed motor train unit according to claim 2, wherein the radian of the first cambered surface section (6) is larger than the radian of the second cambered surface section (7) and the third cambered surface section (8).
  4. 4. The end hoisting partition wall for the high-speed motor train unit according to claim 3, wherein a middle overhaul hole (9) positioned in the middle and/or a side overhaul hole (10) close to the connecting bracket (3) are formed in the cambered surface section II (7), and the heights of the middle overhaul hole (9) and the side overhaul hole (10) are smaller than the height of the cambered surface section II (7).
  5. 5. The end hoisting partition wall for the high-speed motor train unit according to claim 4 is characterized in that a first connecting table (11) is arranged at the lower end of the third cambered surface section (8), the first connecting table (11) is a plane table, the first connecting table (11) is perpendicular to the mounting body (2), a second connecting table (12) positioned above the side of the first connecting table (11) is arranged at the lower end of the connecting bracket (3), and the second connecting table (12) is parallel to the upper end face (4) of the connecting bracket (3).
  6. 6. The end hoisting partition wall for the high-speed motor train unit according to claim 5, wherein a plurality of first connecting holes (13) are uniformly formed in the side, far away from the first cambered surface section (6), of the mounting body (2) along the transverse direction, and the hoisting partition wall is connected to the bottom end of the vehicle body through the first connecting holes (13).
  7. 7. The end hoisting partition wall for the high-speed motor train unit according to claim 6 is characterized in that a second connecting hole (14) is uniformly formed in the upper end face (4) of the connecting support (3) along the longitudinal direction, a third connecting hole (15) is uniformly formed in the first connecting table (11) along the transverse direction, and the first connecting hole (13), the second connecting hole (14) and the third connecting hole (15) are all waist-shaped holes.
  8. 8. The end hoisting partition wall for the high-speed motor train unit according to claim 7, wherein an avoidance groove (16) is formed in the outer wall of the upper portion of the connecting bracket (3), and the middle portion of the avoidance groove (16) comprises a bearing table (17) connected with the upper end face (4) of the connecting bracket (3).
  9. 9. End hoisting partition wall for high-speed motor train unit according to any one of claims 5-8, characterized in that a receiving table (18) parallel to the mounting body (2) is connected to the first connection table (11), the receiving table (18) is located below the second connection table (12) and parallel to the second connection table (12), and the receiving table (18) is arranged in the opposite direction to the mounting table.
  10. 10. The end hoisting partition wall for the high-speed motor train unit according to claim 9, wherein a sand leakage hole is formed in the third cambered surface section (8), the accommodating table (18) is provided with an accommodating cover (19) communicated with the sand leakage hole, and the accommodating cover (19) comprises an upper conical cover (20) and a lower rectangular cover (21).

Description

End hoisting partition wall for high-speed motor train unit Technical Field The invention relates to the technical field of rail vehicle devices, and particularly provides an end hoisting partition wall for a high-speed motor train unit. Background Along with the rapid development of rail transportation technology, particularly, a high-speed motor train unit advances to a higher speed, more stringent requirements are put forward on vehicle weight reduction, structural strength and operation reliability, and an end partition wall is used as a key protection and isolation structure of an equipment cabin under a rail vehicle, so that the performance of the device directly influences the safe operation of the device and the comfort of the environment in the vehicle. At present, an end partition wall used in a railway vehicle mainly adopts two structural forms, namely a pure aluminum alloy material (such as an aluminum plate or an aluminum profile) is processed by splice welding, and a mixed structure of a composite material and a metal profile, wherein in practical application, the prior art has the following defects: Firstly, in the aspect of light weight, the partition wall structure processed by aluminum plates and aluminum profiles through butt welding or the combination mode of connecting aluminum profiles with other composite materials is still heavy in overall weight, so that the design requirements of light weight and low energy consumption of a high-speed motor train unit pursuing extremely light weight to reduce energy consumption and improve transportation speed are difficult to meet. Secondly, in terms of installation process and structural complexity, the existing partition wall structure is generally designed in a blocking mode or additional connecting pieces are required to be added to achieve installation and fixation, the structure is large in number of parts, complex and inconvenient in assembly operation, and in the installation process, an installation datum plane is difficult to effectively level, so that the assembly accuracy and efficiency are limited. In addition, the prior art also has improvement space in the aspect of connection reliability, when adopting combined material and metalwork, often need connect through pre-buried metalwork, and this kind of connected mode is under the continuous vibration load that high-speed operation produced, and combined material easily appears layering risk with the metal built-in fitting interface, influences long-term stability in use and the structural safety of product. Therefore, how to optimize the structural design of the end partition wall, and further reduce the weight and simplify the installation process on the premise of ensuring that the product has good rigidity, modal performance and connection reliability, is a technical problem to be solved by the technicians in the field. Disclosure of Invention The invention provides the end hoisting partition wall for the high-speed motor train unit, which can meet the requirements of light weight and low energy consumption of the high-speed motor train unit and solve the problem of installation flatness. The end hoisting partition wall for the high-speed motor train unit comprises a partition wall body formed by integral molding, mounting bodies positioned at the upper end of the partition wall body, and connecting supports positioned at the lateral side ends of the partition wall body, wherein the mounting bodies are transversely arranged along a rail and positioned between the connecting supports, the connecting supports are longitudinally arranged along a train, the mounting bodies are planar and attached to the bottom end of a train body, the hoisting partition wall is connected to the bottom end of the train body through the mounting bodies, the partition wall body is of an arc-shaped surface structure, the whole partition wall body protrudes towards the direction opposite to the travelling direction of a vehicle, the upper end faces of the connecting supports are planar, and the lateral sides of the connecting supports are of arc-shaped surface structures protruding towards the outer side of the rail. Further, the partition wall body sequentially comprises a first cambered surface section, a second cambered surface section and a third cambered surface section from top to bottom, the connecting support is formed at the side ends of the first cambered surface section, the second cambered surface section and the third cambered surface section, and the cambered surface section is formed between the mounting body and the second cambered surface section. Further, the radian of the first cambered surface section is larger than that of the second cambered surface section and the third cambered surface section. Further, a middle overhaul hole positioned in the middle and/or a side overhaul hole close to the connecting support are formed in the second cambered surface section, and the heights of the m