Direct-current power supply line protection device for rail transit

Abstract

The utility model discloses a direct-current power supply line protection device for rail transit, which belongs to the technical field of wire protection and comprises a protection inner pipe, a hollow water storage pipe is sleeved outside the protection inner pipe and filled with cooling liquid, and a plurality of cooling fins corresponding to the protection inner pipe are arranged at two ends of the hollow water storage pipe. One end of the cooling fin is fixedly connected with the protection inner pipe, the other end of the cooling fin is fixedly connected with the hollow water storage pipe, a protection air bag is arranged in the protection inner pipe and fixedly connected with the protection inner pipe, an inflation connector is arranged at one end of the protection air bag, and a plurality of cooling metal pipes are arranged in the protection air bag; the power supply line is cooled through mutual cooperation of multiple structures, the power supply line is effectively prevented from being damaged due to too high temperature, the use effect of the protection device is better, and the protection device has multiple damping functions, so that the functions of the protection device are richer.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric wire protection, and in particular relates to a DC power supply line protection device for rail transportation. Background Art

[0002] Rail transit refers to a type of transportation vehicle or transport system in which operating vehicles need to travel on specific tracks. Rail transit uses DC power supply lines, and corresponding protection devices are required to provide protection for DC power supply lines.

[0003] The conventional protection device includes a first penetration sleeve, a second penetration sleeve, a first jacket layer, a second jacket layer, a spring, a waterproof rubber strip, an elastic member, a first clamping block, a second clamping block, a first clamping slot, a second clamping slot, and a fixing block. The advantage of this protection device is that it can form a wrapping protection structure for the power supply line to prevent moisture from penetrating the power supply line.

[0004] However, due to the lack of heat dissipation structure in traditional protection devices, the power supply circuit is easily damaged due to excessive temperature, making the use effect of the protection device unsatisfactory and urgently needing improvement. Utility Model Content

[0005] The purpose of the present utility model is to provide a DC power supply line protection device for rail transit to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a DC power supply line protection device for rail transit, comprising a protective inner tube, the outer portion of the protective inner tube is sheathed with a hollow water storage tube, the interior of the hollow water storage tube is filled with coolant, and a plurality of cooling fins corresponding to the protective inner tube are provided at both ends of the hollow water storage tube, one end of the cooling fin is fixedly connected to the protective inner tube, and the other end of the cooling fin is fixedly connected to the hollow water storage tube, a protective airbag is provided inside the protective inner tube, the protective airbag is fixedly connected to the protective inner tube, an inflation joint is provided at one end of the protective airbag, a plurality of cooling metal tubes are provided inside the protective airbag, the plurality of cooling metal tubes are arranged in a ring array on the inner wall of the protective airbag, the cooling metal tube is fixedly connected to the protective airbag, and a plurality of feed hoses corresponding to the cooling metal tubes are provided at both ends of the hollow water storage tube.

[0007] As a further solution of the present invention: the outer sleeve of the hollow water storage pipe is provided with a protective outer tube, the protective outer tube is fixedly connected to the hollow water storage pipe, and a plurality of arc-shaped warning plates are provided at both ends of the protective outer tube.

[0008] As a further solution of the present invention: the arc-shaped warning plate is fixedly connected to the protective outer tube, and a support base is provided at the bottom of the protective outer tube, and the support base is fixedly connected to the protective outer tube.

[0009] As a further solution of the present invention: a limited support base is provided below the support base, and a plurality of elastic buffer members corresponding to the support base are provided at both ends of the upper surface of the limited support base.

[0010] As a further solution of the present invention: one end of the elastic buffer is fixedly connected to the support base, and the other end of the elastic buffer is fixedly connected to the limiting support bottom plate. Several detachable warning plates for warning purposes are provided on the side of the support base.

[0011] As a further solution of the present invention: anti-tilt protection plates are also provided at both ends of the upper surface of the limiting support base plate, the anti-tilt protection plates are fixedly connected to the limiting support base plate, and anti-tilt sleeves are provided on the side of the support base, the anti-tilt sleeves are fixedly connected to the support base, and the anti-tilt sleeves are slidably connected to the anti-tilt protection plates.

[0012] Compared with the existing technology, the beneficial effects of the present invention are: the present invention has a simple structure and is easy to use. When in use, the power supply line is cooled by the mutual cooperation of multiple structures, which effectively prevents the power supply line from being damaged due to excessive temperature, making the use effect of the protection device better. Secondly, the present invention has multiple shock-absorbing functions, which makes the function of the protection device richer. In addition, the present invention has a warning function and is worthy of promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;

[0014] Figure 2 This is a schematic structural diagram of the support base in an embodiment of the present utility model;

[0015] Figure 3 This is a schematic structural diagram of a cooling metal tube in an embodiment of the present utility model;

[0016] In the figure: 1-support base, 2-elastic buffer, 3-limiting support bottom plate, 4-anti-tilt protection plate, 5-anti-tilt sleeve, 6-hollow water storage pipe, 7-arc-shaped warning plate, 8-inflating connector, 9-feeding hose, 10-protective outer tube, 11-cooling fins, 12-coolant, 13-protective inner tube, 14-cooling metal tube, 15-protective airbag, 16-detachable warning plate. DETAILED DESCRIPTION

[0017] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0018] Example 1: Please refer to Figure 1 、 Figure 2 and Figure 3 The utility model provides a technical solution: a DC power supply line protection device for rail transit, comprising a protective inner tube 13, a hollow water storage pipe 6 is sheathed on the outside of the protective inner tube 13, the interior of the hollow water storage pipe 6 is filled with a coolant 12, the coolant 12 is mineral oil, and a plurality of cooling fins 11 corresponding to the protective inner tube 13 are provided at both ends of the hollow water storage pipe 6, one end of the cooling fin 11 is fixedly connected to the protective inner tube 13, and the other end of the cooling fin 11 is fixedly connected to the hollow water storage pipe 6, A protective airbag 15 is provided inside the inner tube 13. The protective airbag 15 is a rubber airbag and is fixedly connected to the protective inner tube 13. An inflation connector 8 is provided at one end of the protective airbag 15. A plurality of cooling metal tubes 14 are provided inside the protective airbag 15. The cooling metal tubes 14 are arranged in a circular array on the inner wall of the protective airbag 15 and are fixedly connected to the protective airbag 15. A plurality of feed hoses 9 corresponding to the cooling metal tubes 14 are provided at both ends of the hollow water storage tube 6.

[0019] See also Figure 1 、 Figure 2 and Figure 3 In order to make the functions of the protection device more abundant, in this embodiment, preferably, the outer sleeve of the hollow water storage pipe 6 is provided with a protective outer tube 10, the protective outer tube 10 is fixedly connected to the hollow water storage pipe 6, and a plurality of arc-shaped warning plates 7 are provided at both ends of the protective outer tube 10. The arc-shaped warning plates 7 are reflective plates, and the arc-shaped warning plates 7 are fixedly connected to the protective outer tube 10. A support base 1 is provided at the bottom of the protective outer tube 10, and the support base 1 is fixedly connected to the protective outer tube 10. A limited support base 3 is provided below the support base 1, and a plurality of elastic buffer members 2 corresponding to the support base 1 are provided at both ends of the upper surface of the limited support base 3. The elastic buffer members 2 are springs;

[0020] See also Figure 1 、 Figure 2 and Figure 3In order to make the functions of the protection device more abundant, in this embodiment, preferably, one end of the elastic buffer 2 is fixedly connected to the support base 1, and the other end of the elastic buffer 2 is fixedly connected to the limit support base plate 3. The side of the support base 1 is provided with several detachable warning plates 16 for warning purposes. The detachable warning plates 16 are fluorescent plates. Anti-tilt protection plates 4 are also provided at both ends of the upper surface of the limit support base plate 3. The anti-tilt protection plates 4 are fixedly connected to the limit support base plate 3. An anti-tilt sleeve 5 is provided on the side of the support base 1. The anti-tilt sleeve 5 is fixedly connected to the support base 1, and the anti-tilt sleeve 5 is slidably connected to the anti-tilt protection plate 4.

[0021] Example 2: Please refer to Figure 1 、 Figure 2 and Figure 3 The utility model provides a technical solution: a DC power supply line protection device for rail transit, comprising a protective inner tube 13, a hollow water storage pipe 6 is provided on the outside of the protective inner tube 13, the interior of the hollow water storage pipe 6 is filled with a coolant 12, the coolant 12 is water, and a plurality of cooling fins 11 corresponding to the protective inner tube 13 are provided at both ends of the hollow water storage pipe 6, one end of the cooling fin 11 is fixedly connected to the protective inner tube 13, and the other end of the cooling fin 11 is fixedly connected to the hollow water storage pipe 6, and the protective inner A protective airbag 15 is provided inside the tube 13. The protective airbag 15 is a silicone airbag and is fixedly connected to the protective inner tube 13. An inflation connector 8 is provided at one end of the protective airbag 15. A plurality of cooling metal tubes 14 are provided inside the protective airbag 15. The cooling metal tubes 14 are arranged in a circular array on the inner wall of the protective airbag 15 and are fixedly connected to the protective airbag 15. A plurality of feed hoses 9 corresponding to the cooling metal tubes 14 are provided at both ends of the hollow water storage tube 6.

[0022] See also Figure 1 、 Figure 2 and Figure 3 In order to make the functions of the protection device more abundant, in this embodiment, preferably, the outer sleeve of the hollow water storage pipe 6 is provided with a protective outer tube 10, and the protective outer tube 10 is fixedly connected to the hollow water storage pipe 6. A plurality of arc-shaped warning plates 7 are provided at both ends of the protective outer tube 10. The arc-shaped warning plates 7 are fluorescent plates. The arc-shaped warning plates 7 are fixedly connected to the protective outer tube 10. A support base 1 is provided at the bottom of the protective outer tube 10. The support base 1 is fixedly connected to the protective outer tube 10. A limited support base 3 is provided below the support base 1. A plurality of elastic buffer members 2 corresponding to the support base 1 are provided at both ends of the upper surface of the limited support base 3. The elastic buffer members 2 are metal springs.

[0023] See also Figure 1 、 Figure 2 and Figure 3In order to make the functions of the protection device more abundant, in this embodiment, preferably, one end of the elastic buffer 2 is fixedly connected to the support base 1, and the other end of the elastic buffer 2 is fixedly connected to the limit support base plate 3. The side of the support base 1 is provided with several detachable warning plates 16 for warning purposes. The detachable warning plates 16 are reflective plates. Anti-tilt protection plates 4 are also provided at both ends of the upper surface of the limit support base plate 3. The anti-tilt protection plates 4 are fixedly connected to the limit support base plate 3. An anti-tilt sleeve 5 is provided on the side of the support base 1. The anti-tilt sleeve 5 is fixedly connected to the support base 1, and the anti-tilt sleeve 5 is slidably connected to the anti-tilt protection plate 4.

[0024] The working principle and usage process of the utility model are as follows: when in use, the power supply line to be protected is passed through the protective airbag 15, and then the protective airbag 15 is inflated by using an air pump through the inflation connector 8, so that the protective airbag 15 is inflated and expanded. The inflated protective airbag 15 is used to fix the power supply circuit, so that the protection device can be applied to power supply lines of different models. Then, the limiting support base plate 3 is fixed by screws to realize the installation of the protection device;

[0025] During use, the protective airbag 15 is used to reduce the shock of the power supply line, and the elastic buffer 2 is used to further reduce the shock of the power supply line. Thus, through the protection and coordination of multiple shock-absorbing methods, sufficient shock absorption of the power supply line is achieved. In addition, the cooling metal tube 14 and the hollow water storage tube 6 cooperate with each other to provide water cooling for the power supply line. The cooling fins 11 are used to dissipate heat and cool the coolant 12, thereby preventing the power supply line from being damaged due to excessive temperature.

[0026] Thus, the power supply line is cooled by the mutual cooperation of multiple structures, which effectively avoids damage to the power supply line due to excessive temperature, and makes the use effect of the protection device better. Secondly, the utility model has multiple shock-absorbing functions, which makes the function of the protection device more abundant. In addition, the utility model has a warning function, and the utility model has a simple structure and is easy to use, and is worthy of promotion and use.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0028] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A DC power supply line protection device for rail transit, comprising a protective inner tube, characterized in that: The outer sleeve of the protective inner tube is provided with a hollow water storage pipe, the interior of the hollow water storage pipe is filled with coolant, and a number of cooling fins corresponding to the protective inner tube are provided at both ends of the hollow water storage pipe, one end of the cooling fin is fixedly connected to the protective inner tube, and the other end of the cooling fin is fixedly connected to the hollow water storage pipe, a protective airbag is provided inside the protective inner tube, the protective airbag is fixedly connected to the protective inner tube, an inflation joint is provided at one end of the protective airbag, a number of cooling metal tubes are provided inside the protective airbag, a number of cooling metal tubes are arranged in a ring array on the inner wall of the protective airbag, the cooling metal tube is fixedly connected to the protective airbag, and a number of feed hoses corresponding to the cooling metal tubes are provided at both ends of the hollow water storage pipe.

2. The DC power supply line protection device for rail transit according to claim 1, characterized in that: The outer sleeve of the hollow water storage pipe is provided with a protective outer pipe, which is fixedly connected to the hollow water storage pipe. Two ends of the protective outer pipe are provided with a plurality of arc-shaped warning plates.

3. The DC power supply line protection device for rail transit according to claim 2, characterized in that: The arc-shaped warning plate is fixedly connected to the protective outer tube. A support base is provided at the bottom of the protective outer tube, and the support base is fixedly connected to the protective outer tube.

4. The DC power supply line protection device for rail transit according to claim 3, characterized in that: A limited support base plate is provided below the support base, and a plurality of elastic buffer members corresponding to the support base are provided at both ends of the upper surface of the limited support base plate.

5. The DC power supply line protection device for rail transit according to claim 4, characterized in that: One end of the elastic buffer is fixedly connected to the support base, and the other end of the elastic buffer is fixedly connected to the limit support bottom plate. A plurality of detachable warning plates for warning purposes are provided on the side of the support base.

6. The DC power supply line protection device for rail transit according to claim 5, characterized in that: Anti-tilt protection plates are also provided at both ends of the upper surface of the limit support base plate, which are fixedly connected to the limit support base plate; anti-tilt sleeves are provided on the side of the support base, which are fixedly connected to the support base, and the anti-tilt sleeves are slidably connected to the anti-tilt protection plates.

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