阅读说明：本技术 一种机车跳线电缆 (wire jumper cable for locomotive ) 是由 李芃 单晓伟 于 2019-09-17 设计创作，主要内容包括：本发明公开了一种机车跳线电缆,包括电缆导芯,电缆导芯的外部套设有内防护层,内防护层与电缆导芯之间的位置填充有紧固填充层,内防护层的外部套设有屏蔽层,屏蔽层的外部套设有防火耐腐蚀层,防火耐腐蚀层的外部固定连接有防护外壳,防护外壳的外侧均匀固定连接有外防护轨道,外防护轨道外表面呈圆弧状,并且外防护轨道内部设置为中空状,外防护轨道外部的中间位置设置有开口,外防护轨道的内部滑动连接有限制滑块,限制滑块顶部的凸块穿过外防护轨道外部的开口,限制滑块顶部的凸块外部固定连接有跳线连接机构,本发明涉及电缆技术领域。该机车跳线电缆,达到了提高机车跳线电缆的安全性,延长电缆和配套结构的使用寿命的目的。(The invention discloses an locomotive jumper cable, which comprises a cable guide core, wherein an inner protective layer is sleeved outside the cable guide core, a fastening filling layer is filled between the inner protective layer and the cable guide core, a shielding layer is sleeved outside the inner protective layer, a fireproof corrosion-resistant layer is sleeved outside the shielding layer, a protective shell is fixedly connected outside the fireproof corrosion-resistant layer, an outer protective track is uniformly and fixedly connected outside the protective shell, the outer surface of the outer protective track is arc-shaped, the inner part of the outer protective track is hollow, an opening is formed in the middle position outside the outer protective track, a limiting sliding block is connected inside the outer protective track in a sliding mode, a convex block at the top of the limiting sliding block penetrates through the opening outside the outer protective track, and a jumper connecting mechanism is fixedly connected outside the convex block at the top of the limiting sliding block.)

The locomotive jumper cable comprises a cable guide core (1) and is characterized in that an inner protective layer (2) is sleeved outside the cable guide core (1), a fastening filling layer (3) is filled between the inner protective layer (2) and the cable guide core (1), a shielding layer (4) is sleeved outside the inner protective layer (2), a fireproof corrosion-resistant layer (5) is sleeved outside the shielding layer (4), an outer fixedly connected protective shell (6) of the fireproof corrosion-resistant layer (5) is arranged outside the protective shell (6), an outer protective track (7) is fixedly connected outside the outer protective shell (6), the outer surface of the outer protective track (7) is arc-shaped, the inner portion of the outer protective track (7) is arranged to be hollow, an opening is formed in the middle position outside the outer protective track (7), a limiting slider (8) is connected inside the outer protective track in a sliding mode, a lug at the top of the limiting slider (8) penetrates through the opening outside the outer protective track (7), and a jumper connection mechanism (9) is fixedly connected outside the lug at the top of the limiting slider (8).

2. locomotive jumper cable according to claim 1, characterized in that the internal uniform society of the inner protective layer (2) has auxiliary break detection conductors (10), five auxiliary break detection conductors (10) are provided.

3. locomotive jumper cable according to claim 2, characterized in that a status indicator light (11) is fixedly connected to a position outside the jumper connection mechanism (9) near the left side, a detection indicator light controller (12) is fixedly connected to a position outside the jumper connection mechanism (9) and on the right side of the status indicator light (11), and the auxiliary break detection wires (10) are electrically connected to the detection indicator light controller (12).

4. locomotive jumper cable according to claim 1, characterized in that the jumper connection mechanism (9) comprises a jumper connection housing (901), the jumper connection housing (901) is fixedly connected with the outside of the limiting slider (8), and the pressing springs (902) are uniformly and fixedly connected with the inner side of the jumper connection housing (901) and at the two ends of the outer protection track (7).

5. locomotive jumper cable according to claim 4, characterized in that the compression spring (902) has an inner compression limiting plate (903) fixedly connected to end away from the jumper connection casing (901), the inner side of the inner compression limiting plate (903) being in contact with the outer surface of the protective casing (6).

6. locomotive jumper cable according to claim 5, characterized in that the surface of the inner extrusion limiting plate (903) is uniformly and fixedly connected with a dehumidifying screen (904).

7. locomotive jumper cable according to claim 1, characterized in that the fire-extinguishing cavities (13) are uniformly arranged inside the fire-proof corrosion-resistant layer (5), and the fire-extinguishing cavities (13) are discontinuously arranged in the fire-proof corrosion-resistant layer (5) at the transverse position, and the fire-extinguishing cavities (13) are uniformly filled with fire-extinguishing dry powder.

Technical Field

The invention relates to the technical field of cables, in particular to an locomotive jumper cable.

Background

Cables are generally rope-like cables made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from each other and often twisted around the center of wires, and surrounded entirely by a highly insulating coating.

The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

The production of wire and cable is totally different from the production mode of most electromechanical products, electromechanical products generally adopt the way of assembling parts and a plurality of parts into a single product, and the products are measured by the number of the parts or the number of the parts.

The locomotive jumper cable does not possess the autonomous detection cable fracture condition at present, does not possess the ability of independently putting out a fire yet to cable conductor and jumper connection department receive the influence of moisture in the air easily, thereby reduce the life of junction structure.

Disclosure of Invention

() problems to be solved

Aiming at the defects of the prior art, the invention provides an locomotive jumper cable, which solves the problems that the locomotive jumper cable does not have the condition of autonomously detecting the cable cracking and has the capability of autonomously extinguishing fire, and the joint of the cable and the jumper cable is easily affected by moisture in the air, so that the service life of the joint structure is shortened.

(II) technical scheme

locomotive jumper cable comprises a cable guide core, wherein an inner protective layer is sleeved outside the cable guide core, a fastening filling layer is filled between the inner protective layer and the cable guide core, a shielding layer is sleeved outside the inner protective layer, a fireproof corrosion-resistant layer is sleeved outside the shielding layer, a protective shell is fixedly connected outside the fireproof corrosion-resistant layer, an outer protective track is uniformly and fixedly connected outside the protective shell, the outer surface of the outer protective track is arc-shaped, the inner part of the outer protective track is hollow, an opening is formed in the middle of the outer part of the outer protective track, a limiting sliding block is slidably connected inside the outer protective track, a convex block at the top of the limiting sliding block penetrates through the opening of the outer part of the outer protective track, and a jumper connection mechanism is fixedly connected outside the convex block at the top of the limiting sliding block.

Preferably, the internal uniform society of the inner protective layer is provided with fracture detection auxiliary conductors, and five fracture detection auxiliary conductors are arranged.

Preferably, the outside of jumper connection mechanism is close to left fixedly connected with status indicator lamp, the outside of jumper connection mechanism and the fixedly connected with detection indicator lamp controller that is located the status indicator lamp right side, the fracture detects the auxiliary conductor and all with detection indicator lamp controller electric connection.

Preferably, the jumper connection mechanism comprises a jumper connection shell, the jumper connection shell is fixedly connected with the outside of the limiting sliding block, and the inner side of the jumper connection shell is located at two ends of the outer protection track and is fixedly connected with the extrusion spring.

Preferably, the end of the pressing spring far away from the jumper connection shell is fixedly connected with an inner pressing limiting plate, and the inner side of the inner pressing limiting plate is in contact with the outer surface of the protective shell.

Preferably, the surface of the inner extrusion limiting plate is uniformly and fixedly connected with a dehumidification filter screen.

Preferably, the fire extinguishing cavities are uniformly arranged in the fire-proof corrosion-resistant layer, the fire extinguishing cavities are arranged in the fire-proof corrosion-resistant layer at intervals in the transverse position, and fire extinguishing dry powder is uniformly filled in the fire extinguishing cavities.

(III) advantageous effects

The invention provides locomotive jumper cables, which have the following beneficial effects:

the locomotive jumper cable is characterized in that an outer protection track is arranged outside a protection shell, the inner part of the outer protection track is in a hollow slideway shape, an opening is formed in the outer side, a limiting sliding block is inserted into the outer protection track, so that the installation and the disassembly of a jumper connection mechanism and a cable outer layer are facilitated, three outer protection tracks are arranged outside the protection shell, the protruding outer protection track can block the rotation of the cable in the dragging process, the outer protection track is in contact friction with the ground, the contact between the protection shell and the ground is reduced, the abrasion resistance of cable construction is improved, a fracture detection auxiliary lead arranged inside the protection shell is electrically connected with a detection indicator lamp controller, the detection indicator lamp controller can detect the conductivity of the fracture detection auxiliary lead, when of the fracture detection auxiliary lead is fractured, the control status indicator lamp of the detection indicator lamp controller is changed into a deep fracture situation, accidents caused by cable leakage or damage are avoided, a cavity is arranged inside a fireproof corrosion-resistant layer, dry powder is filled in the cavity, when the fire-extinguishing cable is subjected to high-temperature or open fire, the outer side of the fireproof corrosion-resistant layer is melted, the dry powder in the cavity, the insulation layer, the cable leaks out, the cable, the safety of the cable is prolonged service life of the cable, and the cable is prolonged service life of the cable.

Drawings

FIG. 1 is a schematic side view of the exterior of a locomotive jumper cable according to the present invention;

FIG. 2 is a schematic cross-sectional view of a locomotive jumper cable of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;

FIG. 4 is a schematic view of the surface structure of the inner compression limiting plate of the present invention;

fig. 5 is a schematic view of the internal structure of the fireproof corrosion-resistant layer of the present invention.

In the figure: the cable comprises a cable guide core 1, an inner protective layer 2, a fastening filling layer 3, a shielding layer 4, a fireproof corrosion-resistant layer 5, a protective shell 6, an outer protective track 7, a limiting sliding block 8, a jumper wire connecting mechanism 9, a jumper wire connecting shell 901, an extrusion spring 902, an extrusion limiting plate 903, a dehumidification filter screen 904, a fracture detection auxiliary lead 10, a status indicator light 11, a detection indicator light controller 12 and a fire extinguishing cavity 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.

Referring to fig. 1-5, the invention provides technical solutions, a locomotive jumper cable comprises a cable guide core 1, an inner protective layer 2 is sleeved outside the cable guide core 1, a fastening filling layer 3 is filled between the inner protective layer 2 and the cable guide core 1, a shielding layer 4 is sleeved outside the inner protective layer 2, a fireproof corrosion-resistant layer 5 is sleeved outside the shielding layer 4, a protective shell 6 is fixedly connected outside the fireproof corrosion-resistant layer 5, an outer protective track 7 is fixedly connected outside the protective shell 6, the outer surface of the outer protective track 7 is arc-shaped, the inner part of the outer protective track 7 is hollow, an opening is arranged in the middle of the outer part of the outer protective track 7, a limiting slider 8 is slidably connected inside the outer protective track 7, a bump at the top of the limiting slider 8 penetrates through the opening of the outer protective track 7, a jumper connection mechanism 9 is fixedly connected outside the bump at the top of the limiting slider 8, a fracture detection auxiliary wire 10 is uniformly connected inside the inner protective track 2, five fracture detection auxiliary wires are arranged inside the outer protective track 10, a jumper status indicator 11 is fixedly connected outside the jumper connection indicator 9, a jumper extrusion pressing indicator board is connected with a filter screen 903, a dehumidification indicator 12 is connected inside the fire-pressing indicator board 903, a fire-extinguishing auxiliary fire-extinguishing-detecting device 903 is connected with the fire-detecting device 903, the fire-detecting device 903 is connected with the fire-extinguishing device 903, the fire-detecting device is connected with the fire-detecting device, the fire-detecting device is connected with the fire-.

When the cable protection device is used, the outer protection rail 7 is arranged outside the protection shell 6, the inner part of the outer protection rail 7 is in a hollow slide way shape, the outer side of the outer protection rail 7 is provided with an opening, the limiting sliding block 8 is inserted into the outer protection rail 7, so that the jumper wire connecting mechanism 9 and the outer layer of the cable can be conveniently installed and detached, the three outer protection rails 7 are arranged outside the protection shell 6, the protruded outer protection rail 7 can block the rotation of the cable in the dragging process, the outer protection rail 7 is in contact friction with the ground, the contact between the protection shell 6 and the ground is reduced, the abrasion resistance of cable construction is improved, the fracture detection auxiliary lead 10 arranged inside the inner protection layer 2 is electrically connected with the detection indicator lamp controller 12, the detection indicator lamp controller 12 can detect the electric conductivity of the fracture detection auxiliary lead 10, when in the fracture detection auxiliary lead 10 breaks, the status indicator lamp 11 is changed into red light from the detection indicator lamp controller 12, the deep fracture condition of the cable is shown, accidents caused by electric leakage or damage of the cable are avoided, the fire extinguishing corrosion resistant cavity 13 is arranged inside the fire extinguishing corrosion resistant layer 5, and the fire extinguishing corrosion resistant layer 13 is filled in the fire extinguishing cavity 13, when the cable, the high-resistant layer is melted and the dry-resistant powder is leaked and the.

It should be noted that, in this document, relational terms such as , second and the like are only used to distinguish entities or operations from entities or operations, but not necessarily requires or implies any such actual relationship or order between the entities or operations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.