A flameproof high voltage cable connector for mines

Abstract

The present invention relates to a flameproof high-voltage cable connector for mining, comprising a cable inlet, a fixing steel plate being arranged on the upper surface of the cable inlet, a sealed cavity A column being arranged at the right end of the cable inlet, an explosion-proof cavity A column being arranged at the right end of the sealed cavity A column, an explosion-proof cavity B column being arranged at the right end of the explosion-proof cavity A column, a flange A and a flange B being arranged at the connection between the explosion-proof cavity A column and the explosion-proof cavity B column, a cavity column being arranged at the right end of the explosion-proof cavity B column, a sealed cavity B column being arranged at the right end of the cavity column, a fork outer cylinder being arranged on the inner side of the explosion-proof cavity A column, a fork inner cylinder being arranged at the right end of the fork outer cylinder, a fixing protrusion being able to fix a cable fork with the explosion-proof cavity column, preventing the cable fork from rotationally deviating inside the explosion-proof cavity column, and no screws being needed to fix the cable fork from outside the explosion-proof cavity column, thereby improving insulation and avoiding danger.

Description

Technical Field

[0001] The invention belongs to the technical field of mining cable connectors, and in particular relates to a mining flameproof high-voltage cable connector. Background Art

[0002] Mining flameproof high-voltage cable connector is suitable for connecting 6 kV power cable circuits in coal mining tunnels underground in coal mines.

[0003] The connection between the cable fork in the existing cable connector and the connector usually requires screws to tighten the cable fork for fixed connection. This connection method has the problem of weak insulation and high risk. For this reason, we propose a flameproof high-voltage cable connector for mining. Summary of the invention

[0004] The invention provides a flameproof high-voltage cable connector for mining in order to solve the technical problem that the existing connection mode between a cable splitter and a connector has weak insulation and high danger.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a flameproof high-voltage cable connector for mining, comprising a cable inlet, a fixing steel plate being arranged on the upper surface of the cable inlet, a sealed cavity A column being arranged at the right end of the cable inlet, an explosion-proof cavity A column being arranged at the right end of the sealed cavity A column, an explosion-proof cavity B column being arranged at the right end of the explosion-proof cavity A column, a flange A and a flange B being arranged at the connection between the explosion-proof cavity A column and the explosion-proof cavity B column, a cavity column being arranged at the right end of the explosion-proof cavity B column, and a sealed cavity B column being arranged at the right end of the cavity column. An outer cylinder of a fork is arranged on the inner side of the explosion-proof cavity A column, an inner cylinder of a fork is arranged on the right end of the outer cylinder of the fork, an inner cylinder of a fork is arranged on the right end of the inner cylinder of the fork, a fixing protrusion is arranged on the top of the inner cylinder of the fork, a short cable column is arranged inside the outer cylinder of the fork, a long cable column is arranged on the bottom side of the short cable column, a short copper column column is arranged on the right end of the short cable column, a long copper column column is arranged on the right end of the long cable column, and a protruding groove is arranged at the connection between the explosion-proof cavity A column and the outer cylinder of the fork.

[0006] Furthermore, the flange A and the flange B are fixedly connected via nuts.

[0007] Furthermore, the inner surface of the explosion-proof cavity A-pillar is a smooth curved surface.

[0008] Furthermore, the copper column short through-column and the copper column long through-column are both hollow cylindrical structures.

[0009] Furthermore, the through hole formed by the fixed connection between the cable short-through post and the copper post short-through post passes through the outer cylinder of the bifurcator.

[0010] Furthermore, the raised groove is fixedly connected to the explosion-proof chamber A-pillar by welding.

[0011] Furthermore, the through hole formed by the fixed connection between the cable long through post and the copper column long through post passes through the outer cylinder of the bifurcator.

[0012] Furthermore, there are two fork outer cylinders in total, and the two fork outer cylinders are respectively installed on the inner sides of the explosion-proof cavity A column and the explosion-proof cavity B column.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a scientific and reasonable structure, is safe and convenient to use, the fixing protrusion can fix the cable splitter to the explosion-proof cavity column, prevent the cable splitter from rotationally offset inside the explosion-proof cavity column, and does not need to use screws to fix the cable splitter from the outside of the explosion-proof cavity column, thereby improving insulation and avoiding the occurrence of danger. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0015] Figure 1 It is a schematic diagram of the top view structure of the connector of the present invention;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the explosion-proof cavity column of the present invention;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the cavity column of the present invention;

[0018] Figure 4 It is a right side structural schematic diagram of the cable splitter of the present invention;

[0019] Figure 5 It is a schematic diagram of the top view of the cable splitter of the present invention;

[0020] Figure 6 It is a schematic diagram of the three-dimensional structure of the cable bifurcators and explosion-proof cavity columns of the present invention;

[0021] Figure 7 It is a schematic diagram of the top view of the through column structure of the present invention;

[0022] In the figure: 1-fork outer cylinder, 2-fork inner cylinder, 3-fixed protrusion, 4-fork inner cylinder, 5-cable short through column, 6-cable long through column, 7-cavity column, 8-sealed chamber B column, 9-flange A, 10-flange B, 11-fixed steel plate, 12-explosion-proof chamber B column, 13-sealed chamber A column, 14-cable entrance, 15-explosion-proof chamber A column, 16-copper column short through column, 17-copper column long through column, 18-protrusion groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The present invention provides a technical solution: a flameproof high-voltage cable connector for mining, comprising a cable inlet 14, a fixing steel plate 11 is arranged on the upper surface of the cable inlet 14, a sealed cavity A column 13 is arranged at the right end of the cable inlet 14, an explosion-proof cavity A column 15 is arranged at the right end of the sealed cavity A column 13, an explosion-proof cavity B column 12 is arranged at the right end of the explosion-proof cavity A column 15, a flange A9 and a flange B10 are arranged at the connection between the explosion-proof cavity A column 15 and the explosion-proof cavity B column 12, a cavity column 7 is arranged at the right end of the explosion-proof cavity B column 12, and a sealed cavity B column 8 is arranged at the right end of the cavity column 7, A fork outer cylinder 1 is arranged on the inner side of the explosion-proof cavity A column 15, a fork inner cylinder 2 is arranged on the right end of the fork outer cylinder 1, a fork inner cylinder 4 is arranged on the right end of the fork inner cylinder 2, a fixing protrusion 3 is arranged on the top of the fork inner cylinder 4, a cable short-through column 5 is arranged inside the fork outer cylinder 1, a cable long-through column 6 is arranged on the bottom side of the cable short-through column 5, a copper column short-through column 16 is arranged on the right end of the cable short-through column 5, a copper column long-through column 17 is arranged on the right end of the cable long-through column 6, and a raised groove 18 is arranged at the connection between the explosion-proof cavity A column 15 and the fork outer cylinder 1.

[0025] In this embodiment, preferably, flange A9 and flange B10 are fixedly connected by nuts to facilitate installation or removal of flange A9 and flange B10.

[0026] In this embodiment, preferably, the inner surface of the explosion-proof cavity A-pillar 15 is a smooth curved surface so that the outer cylinder 1 of the bifurcated device can enter smoothly.

[0027] In this embodiment, preferably, the copper pillar short through-pillar 16 and the copper pillar long through-pillar 17 are both hollow cylindrical structures, so that the copper pillar can be smoothly inserted into the copper pillar short through-pillar 16 and the copper pillar long through-pillar 17 .

[0028] In this embodiment, preferably, the through hole formed by the fixed connection between the cable short-through post 5 and the copper post short-through post 16 passes through the outer cylinder 1 of the bifurcator.

[0029] In this embodiment, preferably, the raised groove 18 is fixedly connected to the explosion-proof chamber A-pillar 15 by welding to prevent the raised groove 18 from falling off.

[0030] In this embodiment, preferably, the through hole formed by the fixed connection between the cable long through post 6 and the copper column long through post 17 passes through the outer cylinder 1 of the bifurcator.

[0031] In this embodiment, preferably, two fork outer cylinders 1 are provided, and the two fork outer cylinders 1 are respectively installed on the inner sides of the explosion-proof cavity A column 15 and the explosion-proof cavity B column 12.

[0032] The working principle and use process of the present invention are as follows: firstly, the cable is inserted into the sealed cavity A column 13 from the cable entrance 14 at the left end, and then the cable forks are respectively inserted into the short cable through column 5 and the long cable through column 6, and then the copper column is inserted into the copper column short through column 16 and the copper column long through column 17 to connect with the cable, and the fixing protrusion 3 on the cylinder 4 in the fork is inserted along the protruding groove 18 in the explosion-proof cavity A column 15 to complete the fixing, and epoxy resin is injected into the sealed cavity A column 13 to achieve the effect of a closed space, and the cable is inserted ... The flange between the cable inlet 14 and the sealed cavity A column 13 is fixedly connected by nuts, and the flange between the sealed cavity A column 13 and the explosion-proof cavity A column 15 is fixedly connected by nuts, and another cable is passed from the cable inlet 14 at the right end into the sealed cavity B column 8, and then passes through the cavity column 7, forked into the bifurcation in the explosion-proof cavity B column 12, and then the copper column enters the bifurcation in the explosion-proof cavity B column 12, and epoxy resin is injected into the sealed cavity B column 8, and then the flanges of various parts are connected.

[0033] The above are preferred implementation modes of the present invention. Those skilled in the art to which the present invention belongs can also change and modify the above implementation modes. Therefore, the present invention is not limited to the above specific implementation modes. Any obvious improvements, substitutions or modifications made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention.

Claims

1. A flameproof high-voltage cable connector for mining, comprising a cable inlet (14), characterized in that: A fixing steel plate (11) is provided on the upper surface of the cable inlet (14); a sealed cavity A column (13) is provided at the right end of the cable inlet (14); an explosion-proof cavity A column (15) is provided at the right end of the sealed cavity A column (13); an explosion-proof cavity B column (12) is provided at the right end of the explosion-proof cavity A column (15); a flange A (9) and a flange B (10) are provided at the connection between the explosion-proof cavity A column (15) and the explosion-proof cavity B column (12); a cavity column (7) is provided at the right end of the explosion-proof cavity B column (12); a sealed cavity B column (8) is provided at the right end of the cavity column (7); a bifurcated outer cylinder ( 1), a fork inner cylinder (2) is arranged at the right end of the fork inner cylinder (2), a fork inner cylinder (4) is arranged at the right end of the fork inner cylinder (2), a fixing protrusion (3) is arranged at the top of the fork inner cylinder (4), a cable short-through column (5) is arranged inside the fork outer cylinder (1), a cable long-through column (6) is arranged at the bottom side of the cable short-through column (5), a copper column short-through column (16) is arranged at the right end of the cable short-through column (5), a copper column long-through column (17) is arranged at the right end of the cable long-through column (6), and a protruding groove (18) is arranged at the connection between the explosion-proof chamber A column (15) and the fork outer cylinder (1); The flange A (9) and the flange B (10) are fixedly connected by nuts; the inner surface of the explosion-proof chamber A column (15) is a smooth curved surface.

2. The flameproof high-voltage cable connector for mining according to claim 1, characterized in that: The copper column short through-column (16) and the copper column long through-column (17) are both hollow cylindrical structures.

3. The flameproof high-voltage cable connector for mining according to claim 1, characterized in that: The through hole formed by the fixed connection between the cable short-through post (5) and the copper post short-through post (16) passes through the outer cylinder (1) of the bifurcating device.

4. The flameproof high-voltage cable connector for mining according to claim 1, characterized in that: The raised groove (18) is fixedly connected to the explosion-proof chamber A-pillar (15) by welding.

5. The flameproof high-voltage cable connector for mining according to claim 1, characterized in that: The through hole formed by the fixed connection between the cable long through post (6) and the copper column long through post (17) passes through the outer cylinder (1) of the bifurcator.

6. The flameproof high-voltage cable connector for mining according to claim 1, characterized in that: There are two fork outer cylinders (1) in total, and the two fork outer cylinders (1) are respectively installed on the inner side of the explosion-proof chamber A column (15) and the explosion-proof chamber B column (12).

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