Sealing box structure for grounding wire of railway vehicle

Abstract

In order to solve the safety problem that a railway vehicle grounding wire is isolated from a vehicle body steel structure and is fixed when penetrating through a vehicle bottom mounting beam, the utility model provides a railway vehicle grounding wire sealing box structure, which comprises a box body, a sealing group, a grounding wire replacement rod, a tensioning piece and a partition plate, the side wall of the box body is fixedly connected with the vehicle bottom mounting beam; a tensioning piece, an interlayer plate and a rubber sleeve module are transversely and sequentially arranged in the box body; sealing bodies are arranged between the tensioning piece and the box body and between the rubber module and the box body. The rubber sleeve module comprises a plurality of transversely arranged rubber sleeve units, each rubber sleeve unit comprises a plurality of concentric circular rubber sleeves with gradually increased diameters, the circular rubber sleeves are tightly attached to one another, a grounding wire replacement rod is arranged at the axis, and the circular rubber sleeves are tightly sleeved outside the grounding wire replacement rod layer by layer; the grounding wire connector has the advantages of being capable of using grounding wires of various specifications and numbers, simple in structure, convenient to install, good in sealing and positioning effect and stable in performance.

Description

Technical Field

[0001] The utility model relates to a rail vehicle, in particular to a grounding wire sealing box structure for a rail vehicle. Background Art

[0002] A grounding wire connecting the inside and outside of the vehicle is provided at the bottom of the rail vehicle. When the grounding wire passes through the bottom mounting beam of the vehicle body, it needs to be isolated from the steel structure of the vehicle body and kept fixed. Otherwise, the grounding wire may be damaged during the operation of the vehicle, thus causing potential safety hazards. Since the power of the electrical components connected by the grounding wires of different rail vehicles is different, the thicknesses of the grounding wires of different vehicles are different, which increases the difficulty of positioning the grounding wires. Summary of the Invention

[0003] To solve the above problems, the utility model provides a grounding wire sealing box structure for a rail vehicle, which has the advantages of simple structure, convenient installation, good sealing and positioning effects, and stable performance.

[0004] The grounding wire sealing box structure for the rail vehicle of the utility model includes a box body, a sealing group, a grounding wire replacement rod, a tensioning member, and a partition plate; the side wall of the box body is fixedly connected to the bottom mounting beam of the vehicle body; a tensioning member, a partition plate, and a rubber sleeve module are arranged in sequence horizontally in the box body; a sealing body is arranged between the tensioning member and the box body, and between the rubber module and the box body; the rubber sleeve module includes a plurality of horizontally arranged rubber sleeve units, each rubber sleeve unit includes a plurality of concentric circular rubber sleeves with gradually increasing diameters, the circular rubber sleeves are closely attached to each other, a grounding wire replacement rod is arranged at the axis, and the circular rubber sleeves are tightly sleeved outside the grounding wire replacement rod layer by layer.

[0005] Further, the tensioning member is composed of a wedge block and a fastener passing through the wedge block. By adjusting the fastener, the relative distance of the inclined surfaces of the wedge blocks changes, so as to complete the extrusion of the sealing group by the tensioning block and achieve the sealing effect.

[0006] Further, the rubber sleeve units in the rubber sleeve module are arranged in one row or multiple rows horizontally.

[0007] Further, the material of the grounding wire replacement block is nylon.

[0008] Further, a boss is provided on the inner wall of the box body, and the sealing group is arranged on the boss.

[0009] For the grounding wire sealing box structure of the rail vehicle described in the present utility model, when installing the grounding wire, grounding wires of different thicknesses pass through the center of the sealing rubber sleeve module. The grounding wire replacement rod and the corresponding number of turns of the circular rubber sleeve will fall off accordingly. At this time, operate the tensioning member. Through the relative movement of the wedge block of the tensioning member, an interference fit is formed among the sealing body, the tensioning member, the partition board, the rubber sleeve module, and the grounding wire replacement rod in a certain space within the sealing box body, generating a pressing force, thereby achieving the locking effect on the grounding wire. The partition board is arranged between the sealing rubber sleeve module and the tensioning member, which can prevent the sealing rubber sleeve module from coming out. The grounding wire sealing box structure of the rail vehicle described in the present utility model can use grounding wires of various specifications and quantities, and has the advantages of simple structure, convenient installation, good positioning and locking effects, and stable performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 Fig. is the front view of the grounding wire sealing box structure of the rail vehicle described in the present utility model.

[0011] Figure 2 is Figure 1 longitudinal sectional view of.

[0012] The marks in the figure are:

[0013] 1 - sealing group; 2 - nylon rod; 3 - vehicle bottom mounting beam; 4 - box body; 5 - tensioning member; 6 - partition board; 7 - circular rubber sleeve ring; 8 - wedge block; 9 - fastener. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The following Figure 1-2 is used to elaborate in detail on the grounding wire sealing box structure of the rail vehicle described in the present utility model.

[0015] The grounding wire sealing box structure of the rail vehicle described in the present utility model includes a box body 4, a sealing group 1, a nylon rod 2, a tensioning member 5, and a partition board 6.

[0016] The outer wall of the box body 4 is fixedly connected to the vehicle bottom mounting beam 3, and the box body 4 has no top and bottom surfaces.

[0017] The tensioning member 5, the partition board 6, and the rubber sleeve module are arranged horizontally and sequentially within the sealing box body 4. The rubber sleeve module includes a number of horizontally arranged rubber sleeve units, and the rubber sleeve units are arranged in one row or multiple rows horizontally. Each rubber sleeve unit includes a number of concentric circular rubber sleeves 7 with gradually increasing diameters. The circular rubber sleeves 7 are closely attached to each other, and a nylon rod 2 is provided at the axis. The circular rubber sleeves 7 are tightly sleeved outside the nylon rod 2 layer by layer.

[0018] A sealing group 1 is provided between the tensioning member 5 and the box body 4, and between the rubber sleeve module and the box body; a boss 10 is provided on the inner wall of the box body 4, and the sealing group 1 is arranged on the boss 10.

[0019] The tensioning member 5 is composed of a wedge block 8 and a fastener 9 passing through the wedge block 8. By adjusting the fastener 9, the relative distance of the inclined surfaces of the wedge block 8 is changed, so as to complete the extrusion of the tensioning block 5 on the sealing group 1 and achieve the sealing effect.

[0020] For the grounding wire sealing box structure of the rail vehicle described in the present utility model, when installing the grounding wire, grounding wires of different thicknesses pass through the center of the sealing rubber sleeve module, and the grounding wire replacement rod and the corresponding number of turns of the circular rubber sleeve fall off accordingly. At this time, the tensioning member is actuated. Through the relative movement of the upper and lower blocks of the tensioning member, an interference fit is formed among the tensioning member, the partition board, the sealing rubber sleeve module, and the grounding wire replacement rod in a certain space inside the sealing box body, generating a pressing force, so as to achieve the locking effect on the grounding wire. The partition board is arranged between the sealing rubber sleeve module and the tensioning member, which can prevent the sealing rubber sleeve module from coming out. The grounding wire sealing box structure of the rail vehicle described in the present utility model can use grounding wires of various specifications and quantities, and has the advantages of simple structure, convenient installation, good sealing effect, and stable performance.

[0021] For the mounting hole structure of the aluminum honeycomb board described in the present utility model, new mounting holes can be added to the aluminum honeycomb board at any time according to the installation requirements of the existing vehicle. It has the advantages of simple structure, firm installation, flexible operation, safe and efficient operation, good use effect, and can prevent the structural adhesive from overflowing into the threaded hole, resulting in impossible installation.

[0022] The above are only the preferred embodiments of the present utility model, and do not limit the present utility model in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A rail vehicle grounding wire sealing box structure, characterized in that: It includes a box body, a sealing group, a grounding wire replacement rod, a tensioner, and an interlayer plate; the side wall of the box body is fixedly connected to the bottom mounting beam of the vehicle; the tensioner, the interlayer plate and the rubber sleeve module are arranged in sequence in a transverse direction in the box body; a sealing body is provided between the tensioner and the box body, and between the rubber module and the box body; the rubber sleeve module includes a plurality of transversely arranged rubber sleeve units, each of which includes a plurality of concentric circular rubber sleeves with gradually increasing diameters, the circular rubber sleeves are tightly fitted to each other, a grounding wire replacement rod is provided at the axis, and the circular rubber sleeves are tightly sleeved on the grounding wire replacement rod in layers.

2. The rail vehicle grounding wire sealing box structure according to claim 1, characterized in that: The inner wall of the box body is provided with a boss, and the sealing group is arranged on the boss.

3. The rail vehicle grounding wire sealing box structure according to claim 1, characterized in that: The tensioning member is composed of a wedge block and a fastening member passing through the wedge block.

4. The rail vehicle grounding wire sealing box structure according to claim 2, characterized in that: The tensioning member is composed of a wedge block and a fastening member passing through the wedge block.

5. The rail vehicle grounding wire sealing box structure according to any one of claims 1 to 4, characterized in that: The rubber sleeve units in the rubber sleeve module are arranged in one or more rows in the transverse direction.

6. The rail vehicle grounding wire sealing box structure according to any one of claims 1 to 4, characterized in that: The material of the ground wire replacement rod is nylon.

7. The rail vehicle grounding wire sealing box structure according to claim 5, characterized in that: The material of the ground wire replacement rod is nylon.

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