Mounting bracket for high-voltage cable of rail transit vehicle

Abstract

The utility model discloses a rail transit vehicle high-voltage cable mounting support which comprises an end wall, a mounting support body is arranged on the end wall, a fastening bolt is arranged on the mounting support body, a fixing ring is arranged on the fastening bolt, and a cable penetrates through the fixing ring. And fixed space is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rail transit technical field, specifically, the utility model relates to a kind of installation support of rail transit vehicle high-voltage cable. BACKGROUND

[0002] Pantograph is the current-collecting component of rail transit vehicle, after pantograph rises, contact with catenary, collect current from catenary, and current is transmitted to vehicle electrical system. The current of catenary flows into the head of pantograph by slide plate, then passes through upper frame and lower arm rod in turn, and finally enters the traction equipment of vehicle underframe through high-voltage cable. As an important part of the whole current transmission, the correct and reasonable arrangement and reliable installation of high-voltage cable of pantograph are very important.

[0003] The existing high-voltage cable arrangement of pantograph is usually along the end wall of vehicle downward, and the through passage is connected with vehicle at this place. Therefore, when arranging high-voltage cable, it also needs to consider whether the dynamic limit of through passage interferes with high-voltage cable support when vehicle drives through curve. The wiring of existing rubber-tyred rail vehicle usually uses wire harness fixing support and cable tie to fix and bundle. The support structure type is complex, bulky, poor in interchangeability, low in production efficiency and difficult to maintain. The cable wiring bundled by cable tie is complex and chaotic, and maintenance personnel can not clearly check the state of cable, which is not conducive to the later installation and maintenance.

[0004] The utility model patent with publication number CN205231680U discloses a kind of urban rail transit engineering cable support on May 11, 2016, and the urban rail transit engineering cable support includes cable support column and cable support arm, cable support arm is fixedly arranged in cable support column along the extension direction of cable support column. Mounting bolt hole is arranged on cable support column along its extension direction, cable support arm is U-shaped or V-shaped, and cable mounting hole is arranged in the extension direction of cable support arm. The urban rail transit engineering cable support occupies large space, and cannot save fixed space. UTILITY MODEL CONTENT

[0005] The utility model aims at the deficiency of prior art, and provides a kind of installation support of rail transit vehicle high-voltage cable, which is convenient to replace, flexible to adjust and saves fixed space.

[0006] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] The installation support of rail transit vehicle high-voltage cable includes an end wall, the installation support is arranged on the end wall, a fastening bolt is arranged on the installation support, a fixing ring is arranged on the fastening bolt, and the cable passes through the fixing ring.

[0008] The fastening bolt passes through the mounting bracket, a nut is arranged on the fastening bolt, gaskets are arranged on the fastening bolt on both sides of the mounting bracket, the nut presses the gaskets, and the fixed ring end is provided with a fixed part.

[0009] The fixed ring is annular, and four fixed rings are symmetrically arranged about the fastening bolt.

[0010] The mounting bracket end is provided with a fixed bolt, and the fixed bolt connects the mounting bracket and the end wall.

[0011] The mounting bracket is provided with an opening, and the opening is located between the fixed bolts.

[0012] One end of the mounting bracket is a bending structure.

[0013] The end wall is provided with a through channel in the middle, and a pantograph is arranged on the top of the end wall, the cable is arranged on both sides of the through channel, the mounting brackets are arranged on the end wall at equal intervals, and the cable sequentially passes through the fixed ring and is connected with the pantograph.

[0014] The mounting bracket is an aluminum alloy profile.

[0015] The technical effect of the utility model is that the mounting bracket for the high-voltage cable of the rail transit vehicle has the following advantages:

[0016] 1. The cable harness is fixed reliably and has a wide application range. It can be used not only for fixing the high-voltage cable of the pantograph but also for the chassis harness. The mounting bracket can be bent to avoid interference with the through channel and maximize the use of the installation space, thereby meeting the wiring requirements in an environment with many chassis devices and limited wiring space.

[0017] 2. The mounting bracket has high space utilization, simple structure, small size and high interchangeability. The fixed ring is easy to install and can be flexibly matched with fixed rings of different sizes, numbers and combinations according to the number, diameter and outgoing direction of the cable.

[0018] 3. Compared with the traditional cable tie, the mounting bracket has good aesthetic effect. After the cable is arranged using the mounting bracket, the cable wiring is clear and structured, which is convenient for maintenance personnel to check the cable state and facilitates installation and maintenance.

[0019] 4. The mounting bracket has low cost and light weight. The components involve few machining processes and have a short delivery cycle. Small and medium-sized vehicles have strict weight control, and the use of the mounting bracket in the chassis can reduce the weight of the vehicle. DETAILED DESCRIPTION

[0020] This specification includes the following drawings, and the contents shown are as follows:

[0021] Figure 1 is a schematic diagram of the installation effect of the installation support of the high-voltage cable of the rail transit vehicle of the utility model;

[0022] Figure 2 is Figure 1 is an enlarged view of the area A.

[0023] Figure 3 is Figure 1 is an enlarged view of the area B.

[0024] In the figure, marked: 1, installation support; 2, fastening bolt; 3, fixing ring; 4, nut; 5, gasket; 6, fixed part; 7, opening; 8, fixing bolt. DETAILED DESCRIPTION

[0025] The specific embodiments of the utility model are further described in detail below by comparing the drawings and describing the embodiments, the purpose is to help the technical personnel in the field to have more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the utility model, and to help its implementation.

[0026] As Figures 1 to 3 shown, the installation support of the high-voltage cable of the rail transit vehicle, including end wall, installation support 1 is equipped on the end wall, installation support 1 is equipped with fastening bolt 2, fastening bolt 2 is equipped with fixing ring 3, cable passes through fixing ring 3.

[0027] Installation support 1 is mainly by support body, fastening bolt 2, fixing ring 3, generally can fix 4 cables. Installation support 1 is small in size, simple in structure, and convenient for the path arrangement of cable, installation support 1 is threadedly fixed on the end wall, through fixing ring 3 to fix and constrain cable, realize along the end wall direction to arrange cable, fixing ring 3 simple structure, the area of shielding cable is small, will not hinder the operator to view cable state.

[0028] As Figure 2 and Figure 3As shown, the fastening bolt 2 passes through the mounting bracket 1, the fastening bolt 2 is provided with a nut 4, the fastening bolt 2 is provided with a gasket 5 on both sides of the mounting bracket 1, the nut 4 presses the gasket 5, the fixed ring 3 is provided with a fixed part 6 at the end, and the gasket 5 presses the fixed part 6. The extrusion surface of the fastening bolt 2 and the nut 4 press the gasket 5 on both sides of the bracket respectively, and then press the fixed ring 3, the fixed ring 3 is fixed and can constrain the position of the passing cable, and the cable harness is fixed reliably; the gasket 5 can not only disperse the pressure and prevent the deformation of the mounting bracket 1, but also be used for fixing the fixed ring 3 to form a ring structure, which can fix and limit the passing cable, the gasket 5 is arranged in pairs, the fixed part 6 is a plane structure, the fixed part 6 is pressed by the upper and lower gaskets 5, the fixed ring 3 is convenient to install and replace, and only needs to loosen the fastening bolt 2, insert the fixed part 6 between the gaskets 5, and then tighten the fastening bolt 2 to realize the fixing and pressing, if an individual fixed ring 3 needs to be replaced due to loosening or failure, the operator can also quickly install the replaced fixed ring 3 in place. For cables with different outer diameters, the mounting bracket 1 can also quickly replace fixed rings 3 of different specifications to adapt to cables of different specifications. Since the end of the fixed ring 3 is pressed to form a fixed part, each fixed ring 3 does not interfere with each other, so the number of fixed rings 3 can be flexibly adjusted according to the number of cables; according to the wire harness outlet direction, the position of the fixed part 6 inserted into the gasket 5 can also be adjusted to flexibly rotate the direction of the fixed ring 3, and meet the cable outlet direction requirement.

[0029] As shown in Figure 2 and Figure 3 , the fixed ring 3 is in a ring structure, the fixed ring 3 is provided with four, and the fixed ring 3 is symmetrically arranged about the fastening bolt 2. The ring-shaped fixed ring 3 is adapted to the shape of the cable, which can reduce the shaking of the cable and improve the stability after installation. Two fixed rings 3 are located inside the mounting bracket 1, which can further reduce the space occupation and improve the space utilization. The above structure forms a double-layer fixed structure for four cables to maximize the cable fixing space and avoid interference with the through channel.

[0030] As shown in Figure 2 and Figure 3 , the mounting bracket 1 is provided with a fixed bolt 8 at the end, and the fixed bolt 8 connects the mounting bracket 1 and the end wall. The fixed bolt 8 is provided with two, and the fixed bolt 8 is used in cooperation with a nut and a gasket. The two fixed bolts 8 can stably install the mounting bracket 1 on the end wall.

[0031] As shown in Figure 2 and Figure 3 , the mounting bracket 1 is provided with an opening 7, and the opening 7 is located between the fixed bolts 8. The opening 7 disconnects one side of the mounting bracket 1 connected with the end wall, which is convenient for bending, thereby flexibly adjusting the bending direction of the bracket to avoid possible interference with the equipment and meet the arrangement space requirement.

[0032] One end of the mounting bracket 1 is a bent structure. As shown in Figure 3 The mounting bracket 1 is bent outward at one end, achieving the effect of horizontally moving the mounting bracket 1 by a certain distance, effectively avoiding the close distance of the through passage structure, and facilitating the arrangement of the cable path. When the rail vehicle travels through a curve, the dynamic limit of the through passage will not interfere with the mounting bracket 1.

[0033] As shown in Figure 1 The end wall has a through passage in the middle and a pantograph at the top. The cables are arranged on both sides of the through passage, and the mounting brackets 1 are arranged at equal intervals on the end wall. The cables pass through the fixing ring 3 in turn and are connected to the pantograph. The cable distribution is on both sides of the through passage and is fixed by multiple mounting brackets 1. Some of the mounting brackets 1 are bent to avoid nearby equipment, saving space for fixing, and the cable distribution is clear and easy to observe and maintain.

[0034] The mounting bracket 1 is made of aluminum alloy profile. Using aluminum alloy profile as the mounting bracket 1 is convenient to bend, allowing the operator to adjust the bending according to the distance between the through passage and the mounting bracket 1. The aluminum alloy has low weight, and the fixing bolt 8 has small load, so the connection is firm and reliable.

[0035] The mounting bracket for high-voltage cables of the rail transit vehicle has the following advantages:

[0036] 1. The cable harness is fixed reliably and has a wide range of applications. It can not only be used to fix the high-voltage cable of the pantograph, but also be applied to the underframe harness. The mounting bracket 1 can be bent to avoid interference with the through passage, and the installation space is used to the maximum extent, which can meet the wiring requirements in environments with many underframe devices and limited wiring space.

[0037] 2. The mounting bracket 1 has high space utilization, simple structure, small size, and high interchangeability. The fixing ring 3 is easy to install, and can be flexibly matched with different sizes, numbers, and combinations of fixing rings 3 for use according to the number, diameter, and outlet direction of the cables.

[0038] 3. Compared with the traditional cable tie, the installation bracket 1 has good aesthetic effect. After arranging the cables using the installation bracket 1, the cable wiring is clear and the structure is clear, which is convenient for maintenance personnel to check the cable status and facilitates installation and maintenance.

[0039] 4. Low cost and light weight. The components involve fewer processing procedures and have a short delivery cycle. Small and medium-sized vehicles have strict weight control, and the use of the bracket in the underframe can reduce the weight of the vehicle.

[0040] The utility model has been described exemplarily above in combination with the drawings. Apparently, the utility model is not limited by the above-mentioned mode in the specific implementation. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model; or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A mounting bracket for a high voltage cable of a rail vehicle, characterized in that: The installation support (1) is arranged on the end wall, the fastening bolt (2) is arranged on the installation support (1), the fixing ring (3) is arranged on the fastening bolt (2), and the cable passes through the fixing ring (3); The installation support (1) is provided with an opening (7), and the opening (7) is located between the fixing bolts (8); The middle part of the end wall is provided with a through channel, the top of the end wall is provided with a pantograph, the cable is arranged on both sides of the through channel, the installation support (1) is arranged on the end wall at equal intervals, the cable sequentially passes through the fixing ring (3) and is connected with the pantograph; The installation support (1) is an aluminum alloy profile.

2. The mounting support of a high-voltage cable of a rail vehicle according to claim 1, characterized in that: The fastening bolt (2) passes through the installation support (1), the nut (4) is arranged on the fastening bolt (2), the gasket (5) is arranged on both sides of the installation support (1) of the fastening bolt (2), the nut (4) presses the gasket (5), the fixed part (6) is arranged at the end of the fixing ring (3), and the gasket (5) presses the fixed part (6).

3. The mounting support of a high-voltage cable of a rail vehicle according to claim 2, characterized in that: The fixing ring (3) is in an annular structure, four fixing rings (3) are arranged, and the fixing rings (3) are symmetrically arranged about the fastening bolt (2).

4. The mounting support of a high-voltage cable of a rail vehicle according to claim 3, characterized in that: The end of the installation support (1) is provided with a fixing bolt (8), and the fixing bolt (8) connects the installation support (1) and the end wall.

5. The mounting support for high-voltage cables of a rail vehicle, according to claim 1, characterized in that: One end of the installation support (1) is in a bending structure.

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