CN211351672U

CN211351672U - Novel fast-inserting type mining explosion-proof high-voltage cable connector with optical fiber connection

Info

Publication number: CN211351672U
Application number: CN201922106420.9U
Authority: CN
Inventors: 钱章兴; 林朝勇; 赵建余
Original assignee: Shanghai Lanhao Electric Power Co ltd
Current assignee: Shanghai Lanhao Electric Power Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-25
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a new insert formula mining flame-proof type high-voltage cable connector of taking optic fibre to connect soon, including intermediate junction spare and cartridge at the cable connection end at intermediate junction spare both ends, be equipped with in the cable connection end and connect corresponding the cable core, be equipped with in the intermediate junction body and connect supporting installation head with corresponding cable core, every cable connection end side is equipped with optic fibre wiring chamber, and optic fibre wiring chamber draws forth the hole with the inside optic fibre that is equipped with of cable connection end, optic fibre wiring chamber is equipped with the end cover and makes it sealed, and relative optic fibre wiring chamber lateral wall is equipped with the threading shoulder hole on the cable connection end at intermediate junction spare both ends, the distance cavity has set gradually optic fibre sealing washer, optic fibre pressure cap by nearly far away in the threading shoulder hole. The utility model discloses simple structure, convenient to use makes the connection between the optic fibre reliable, and convenient to detach satisfies under the experimental prerequisite of taking the optic fibre cable, can satisfy the holistic explosion-proof performance requirement of connector simultaneously.

Description

Novel fast-inserting type mining explosion-proof high-voltage cable connector with optical fiber connection

Technical Field

The utility model relates to a cable application, concretely relates to mining flame-proof type high-voltage cable connector that new formula of inserting soon was taken optic fibre to connect.

Background

In the product structure of the current mining cable industry, a cable core mainly comprises a control line, a power line and a ground line, and can meet the basic use requirement. In the using process, the mining explosion-proof high-voltage cable connector matched with a common mining cable is provided, and the plugging connection of a power line, a control line and a ground line can be met.

However, with the automatic updating and upgrading of the current production equipment, data information communication is more and more widely applied to the control of the equipment. The photoelectric composite cable is also gradually applied to the coal mine industry, and the mining cable is not only a simple power line, a control line and a ground line, but also is additionally provided with an optical fiber for communication. The conventional connector can only meet the connection of common cables, and comprises a power line, a control line, a ground line and the like. The use of fiber-optic cables is not possible because of the limited internal space and the necessity of manually attaching the fibers at both ends by fusion splicing or fiber connectors. The conventional mining cable connector has no longer been able to meet the use requirements.

Moreover, there is a fast-plugging connector for a mining cable with an optical fiber in the current market, which is named as a new fast-plugging type mining flameproof high-voltage cable connector with an optical fiber connection, and the application number is 2018214885714, the product is characterized in that a special optical fiber or optical cable connection channel is designed, and the product has some problems in the use process: firstly, during operation, the optical fiber is fragile, the operation distance is long, and the optical fiber is easy to break; second, the optical fiber is very thin, and the sealing effect is not good when the optical fiber enters and exits the cavity. In view of the above problems, the development of this novel structure is particularly improved.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at solving the not enough among the prior art, provide a new formula of inserting soon and take mining flame-proof type high-tension cable connector of fiber connection, draw the connector outside with optic fibre to externally be equipped with optic fibre dedicated passage and optic fibre installation cavity, guarantee that the optic fibre splice position keeps away from electrified conductor. Meanwhile, the optical fibers are convenient to disassemble and connect, and the optical fiber connector is arranged in the middle of the optical fiber connector for quick disassembly and assembly. In addition, because the optical fiber access hole is sealed, the connector body can still meet the requirement of explosion-proof performance.

The technical scheme is as follows: the utility model relates to a new quick-inserting type mining flame-proof type high-voltage cable connector with optical fiber connection, which comprises an intermediate connecting piece and cable connecting ends inserted at the two ends of the intermediate connecting piece, wherein the cable connecting ends are provided with joints corresponding to cable cores, the intermediate connecting piece is provided with an installing head matched with the corresponding cable core joint, the side surface of each cable connecting end is provided with an optical fiber wiring cavity, the optical fiber wiring cavity and the cable connecting ends are internally provided with optical fiber leading-out holes, the optical fiber wiring cavity is provided with end covers to seal the optical fiber wiring cavity, the side walls of the optical fiber wiring cavities opposite to each other on the cable connecting ends at the two ends of the intermediate connecting piece are provided with threading stepped holes, an optical fiber sealing ring and an optical fiber pressing cap are sequentially arranged in the threading stepped holes from near to far away from the cavity, and the optical fibers in the cable sequentially pass, and an optical fiber sealing ring and an optical fiber pressing cap in the threading stepped hole are led out.

Furthermore, the corresponding joints of the cable core are respectively a power line joint, a control line joint and a ground line joint.

Furthermore, a connecting agent or a sealing ring is arranged at the connecting position of the optical fiber wiring cavity and the end cover.

Furthermore, the corresponding connector of the cable core and the matched mounting head are of a plug-in structure, and the plug-in structure is composed of a plug wiring terminal and a slot wiring terminal.

Furthermore, a rubber sealing element is arranged at the connecting position of the cable connecting end and the cable.

Furthermore, the optical fiber pressing cap and the threading stepped hole are provided with thread structures.

Furthermore, the end cover and the optical fiber wiring cavity are fixedly connected through bolts.

Has the advantages that: the utility model discloses a new quick-plug type mining explosion-proof high-voltage cable connector with optical fiber connection, through the setting of the optical fiber connection cavity on the cable connection end, the optical fiber connector position connector is kept away from the electrified conductor, the anti-interference capability of the optical fiber connector is improved, the optical fiber data transmission speed is ensured, meanwhile, the optical fibers are convenient to be disconnected, the quick plugging of the cable connector with the optical fibers in the middle is realized, the optical fiber connection cavity is provided with a detachable end cover, when in installation, the end cover is opened, the operation is very convenient, after the optical fiber connection is completed, the end cover is locked, the explosion-proof requirement can be realized, the threading stepped hole is arranged in the side wall of the optical fiber connection cavity, and the optical fiber sealing ring and the optical fiber pressing cap are arranged in the threading stepped hole, so that the position inserted into the optical fiber connection cavity from the outside can be, and meanwhile, compared with the method that the connector is filled with epoxy resin for pouring in the prior art, the method is more convenient to operate and can be repeatedly used. Simple structure, convenient to use makes the connection between the optic fibre reliable, convenient to detach, improves the interference killing feature of optical fiber splice position, improves the transmission of data.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the cable connection end;

FIG. 3 is a partially enlarged structural view of the threading stepped bore of FIG. 2;

FIG. 4 is an enlarged schematic view of the intermediate connection member;

1. a cable connection end; 2. an intermediate connecting member; 3. a slot connecting terminal; 4. a plug terminal; 5. an optical fiber lead-out hole; 6. an optical fiber wiring cavity; 7. an end cap; 8. threading a stepped hole; 9. an optical fiber sealing ring; 10. pressing a cap on the optical fiber; 11. an optical fiber; 12. a rubber seal; 13. pressing a cap on the cable; 14. and (4) a cable pressing ring.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following specific examples.

The new quick-insertion type mining explosion-proof high-voltage cable connector with optical fiber connection as shown in fig. 1 to 4 comprises an intermediate connecting piece 2 and cable connecting ends 1 inserted at two ends of the intermediate connecting piece 2, wherein joints corresponding to cable cores are arranged in the cable connecting ends 1, mounting heads matched with the corresponding cable core joints are arranged in the intermediate connecting piece, an optical fiber wiring cavity 6 is arranged on the side surface of each cable connecting end 1, optical fiber leading-out holes 5 are arranged in the optical fiber wiring cavity 6 and the cable connecting ends 1, the optical fiber wiring cavity 6 is provided with an end cover 7 to seal the optical fiber wiring cavity, threading stepped holes 8 are arranged on the side walls of the optical fiber wiring cavities 6, which are opposite to each other, on the cable connecting ends 1 at two ends of the intermediate connecting piece 2, an optical fiber sealing ring 9 and an optical fiber pressing cap 10 are sequentially arranged in the threading stepped holes 8 from near to far, and optical fibers 11 in the cable sequentially pass, The optical fiber wiring cavity 6, the threading stepped hole 8, and the optical fiber sealing ring 9 and the optical fiber pressing cap 10 in the threading stepped hole 8 are led out.

Further optimization as an example:

in this embodiment, the corresponding joints of the cable core are a power line joint, a control line joint and a ground line joint.

Further in this example, the connecting position of the optical fiber wiring cavity 6 and the end cap 7 is provided with a connecting agent or a sealing ring.

In this embodiment, the corresponding connector of the cable core and the corresponding mounting head are in a plug-in structure, and the plug-in structure is composed of a plug terminal 4 and a slot terminal 3.

Further in this example, the cable connection end 1 is provided with a rubber seal 12 at the cable connection position.

Further, in this embodiment, the optical fiber pressing cap 10 and the threading stepped hole 8 are provided with a thread structure.

In this embodiment, the end cap 7 is fixed to the optical fiber connection cavity 6 by bolts.

Further in this example, a cable gland 13 and a cable clamping ring 14 are provided on the cable connection end 1.

When in use, firstly, a cable with an optical fiber 11 is arranged on a cable connecting end 1, a rubber sealing element 12 in the cable connecting end 1 is sleeved on the cable with the optical fiber 11, the cable core and a corresponding slot connecting terminal 3 are connected, the optical fiber 11 penetrates into an optical fiber wiring cavity 6 from an optical fiber leading-out hole 5, a cable pressing cap 13 sleeved on the cable with the cable connecting end 1 is locked, a cable pressing ring 14 in the cable connecting end 1 is extruded by the cable pressing cap 13 of the cable connecting end 1, the cable is sealed with the cable connecting end 1, the cable connecting ends 1 are respectively inserted at two ends of a middle connecting piece 2, corresponding plug connecting terminals 4 and slot connecting terminals 3 are inserted together, the optical fiber 11 in the optical fiber wiring cavity 6 of one cable connecting end 1 firstly penetrates out from a threading stepped hole 8, and the optical fiber sealing rings 9 in the optical fiber wiring cavity 6 are sequentially sleeved on the, An optical fiber pressing cap 10 is installed, an optical fiber pressing cap 10 and an optical fiber sealing ring 9 in an optical fiber wiring cavity 6 on the cable connecting end 1 on the other side are installed, an optical fiber 11 penetrates into a threading stepped hole 8 on the other side and enters the optical fiber wiring cavity 6, the optical fiber 11 penetrating into the optical fiber wiring cavity 6 from the outside and the optical fiber 11 penetrating through an optical fiber leading-out hole 5 are installed together through fusion welding or an optical fiber 11 connector, the length of the optical fiber 11 in the optical fiber wiring cavity 6 of the cable connecting end 1 on the two sides is adjusted, redundant optical fibers 11 are coiled in the optical fiber wiring cavity 6, the optical fiber sealing ring 9 and the optical fiber pressing cap 10 are sequentially installed in the threading wiring hole, the optical fiber 11 at the position of the threading stepped hole 8 is locked through the optical fiber pressing cap 10, the optical fiber wiring cavity 6 is sealed through an end cover 7 and is completely installed, when the connector needs to be disassembled, the optical fiber 11 connector only needs to be disassembled, then the two-point cable, realize inserting soon, convenient to use.

To sum up, through the setting of the optical fiber connection cavity 6 on the cable connection end 1, the connector at the optical fiber connection end is far away from the live conductor, so as to improve the anti-interference capability of the optical fiber connection, ensure the data transmission speed of the optical fiber, and at the same time, facilitate the detachment and connection of the optical fibers, and realize the rapid plugging and unplugging of the cable connector with the optical fiber in the middle, the optical fiber connection cavity 6 is provided with a detachable end cover 7, during the installation, the end cover 7 is opened, so as to be very convenient for the operation, after the optical fiber connection is completed, the end cover 7 is locked, so as to realize the explosion-proof requirement, the threading stepped hole 8 is arranged in the side wall of the optical fiber connection cavity 6, and the optical fiber sealing ring 9 and the optical fiber pressing cap 10 are arranged in the threading stepped hole 8, so that the position inserted into the optical fiber connection cavity 6 from the outside can realize the sealing, so as, can be repeatedly used.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a mining flame-proof type high-voltage cable connector of new formula of inserting area optic fibre soon connects, includes intermediate junction spare and cartridge at the cable junction end at intermediate junction spare both ends, its characterized in that: the cable connecting end is internally provided with a connector corresponding to a cable core, the middle connecting body is internally provided with an installing head matched with the corresponding cable core connector, the side surface of each cable connecting end is provided with an optical fiber wiring cavity, optical fiber leading-out holes are formed in the optical fiber wiring cavity and the cable connecting end, the optical fiber wiring cavity is provided with an end cover to seal the optical fiber wiring cavity, the side wall of the optical fiber wiring cavity opposite to the cable connecting end at the two ends of the middle connecting piece is provided with a threading stepped hole, an optical fiber sealing ring and an optical fiber pressing cap are sequentially arranged in the threading stepped hole from near to far away from the cavity, and optical fibers in the cable sequentially pass through the optical fiber leading-out hole, the optical fiber wiring cavity, the threading stepped hole from the cable connecting end and the optical.

2. The novel fast-plug type mining explosion-proof high-voltage cable connector with optical fiber connection according to claim 1, characterized in that: the corresponding joints of the cable core are respectively a power line joint, a control line joint and a ground wire joint.

3. The novel fast-plug type mining explosion-proof high-voltage cable connector with optical fiber connection according to claim 1, characterized in that: and a connecting agent or a sealing ring is arranged at the connecting position of the optical fiber wiring cavity and the end cover.

4. The novel fast-plug type mining explosion-proof high-voltage cable connector with optical fiber connection according to claim 1, characterized in that: the corresponding joint of cable core and supporting installation head are plug structure, plug structure comprises plug binding post and slot binding post.

5. The novel fast-plug type mining explosion-proof high-voltage cable connector with optical fiber connection according to claim 1, characterized in that: and a rubber sealing element is arranged at the connecting position of the cable connecting end and the cable.

6. The novel fast-plug type mining explosion-proof high-voltage cable connector with optical fiber connection according to claim 1, characterized in that: and the optical fiber pressing cap and the threading stepped hole are provided with thread structures.

7. The novel fast-plug type mining explosion-proof high-voltage cable connector with optical fiber connection according to claim 1, characterized in that: the end cover and the optical fiber wiring cavity are fixedly connected through bolts.