Coal mine junction box

Abstract

The utility model provides a coal mine junction box, comprising a protective cover which is provided with an accommodating cavity, and a wiring unit is arranged in the accommodating cavity; the top cover is rotationally connected to the protective cover; the bottom frame is arranged at the bottom of the protective cover, and a fixing assembly for supporting the protective cover is arranged in the bottom frame; and the illumination assemblies are symmetrically arranged in the containing cavity, each illumination assembly comprises a supporting block and a swing block rotationally connected to the supporting block, inclined planes are symmetrically formed in the swing blocks, lamp strips facing the wiring unit are arranged on the inclined planes, and a rotary knob is arranged at one end of each swing block. According to the coal mine junction box provided by the utility model, the illumination assembly is utilized, and when a cable is connected into the junction box, the swinging block is rotated so as to adjust the angle of the lamp strip illuminating the junction unit, so that good light is kept in the junction box, and the maintenance or installation efficiency of the cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of junction box, concretely relates to a coal mine junction box. BACKGROUND

[0002] A large number of mechanical equipment is needed in excavating coal mine, and with the depth of coal mining becoming larger, the length of required cable is also longer, and the mine power supply line is usually connected by multiple cables through the junction box. As the deeper the mine is, the weaker the light inside is, the junction box is easy to be collided when conveying equipment, resulting in damage of the junction box or falling of the cable connection end, so that the maintenance efficiency is reduced. SUMMARY

[0003] The utility model discloses to solve the problem that the worker is inconvenient to maintain the cable falling when going deep into the mine with weak light.

[0004] In order to realize the above-mentioned purpose, the utility model discloses a coal mine junction box, which comprises:

[0005] The protective cover has a receiving cavity, and a wiring unit is arranged in the receiving cavity;

[0006] The top cover is rotationally connected to the protective cover;

[0007] The bottom frame is arranged at the bottom of the protective cover, and a fixing assembly for supporting the protective cover is arranged in the bottom frame;

[0008] The illumination assembly is symmetrically arranged in the receiving cavity, and the illumination assembly comprises a supporting block and a swing block rotationally connected to the supporting block, an inclined surface is symmetrically arranged on the swing block, a lamp strip facing the wiring unit is arranged on the inclined surface, and a knob is arranged at one end of the swing block.

[0009] In the embodiment of the utility model, the recesses are arranged in the circumferential array on the top cover, and the light-transmitting plates are clamped in the recesses.

[0010] In the embodiment of the utility model, the protective cover has a wire inlet and a wire outlet, and the wire inlet and the wire outlet are both provided with wire joints.

[0011] In the embodiment of the utility model, the wiring unit comprises wiring terminals, and the wiring terminals are both provided with wire clamps on one side.

[0012] The utility model discloses an embodiment, the fixed subassembly includes swing lever, guide cylinder and rotation connection in the rotation axis of guide cylinder, swing lever rotation connection on the underframe, and its one end is provided with first transmission wheel, be provided with second transmission wheel on the rotation axis, be provided with synchronous belt between first transmission wheel and second transmission wheel.

[0013] An embodiment of the utility model discloses one end of the rotation axis is provided with threaded portion, the top block of being located in the sliding of guide cylinder is provided on the threaded portion, the inclined block that cooperates with top block is provided on the guide cylinder.

[0014] An embodiment of the utility model discloses the end of the rotation axis is provided with a center.

[0015] An embodiment of the utility model discloses one end of swing lever is provided with connecting rod, and the clamping slot that cooperates with swing lever is seted up on connecting rod.

[0016] Compared with prior art, the application has the advantages that: the light assembly is used, when the cable is connected to the junction box, the angle of the light belt to the junction unit is adjusted by rotating the swing block, the light in the junction box is maintained well, and the maintenance or installation efficiency of the cable is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram;

[0018] Figure 2 It is the internal part structure schematic diagram of top cover overturning;

[0019] Figure 3 It is the internal part structure schematic diagram of whole half section;

[0020] Figure 4 It is Figure 3 The partial enlarged view A shown in the figure.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1, protective cover;2, underframe;3, fixed subassembly;30, guide cylinder;31, swing lever;311, clamping slot;312, connecting rod;32, first transmission wheel;33, synchronous belt;34, second transmission wheel;36, inclined block;37, top block;371, inclined end;38, rotation axis;381, threaded portion;382, center;4, wire joint;5, top cover;51, light transmission plate;52, knock part;6, light assembly;61, knob;62, support block;63, swing block;64, inclined surface;65, light belt;7, junction unit;71, wire clamp. DETAILED DESCRIPTION

[0023] The utility model discloses a specific embodiment as follows and further describes the technical scheme of the utility model with reference to the drawings.

[0024] As Figures 1-4 Indicated, a coal mine terminal box, comprising:

[0025] Protective cover 1 has a containing cavity, and the containing cavity is provided with a terminal unit 7;

[0026] The top cover 5 is rotationally connected to the protective cover 1;

[0027] The bottom frame 2 is provided at the bottom of the protective cover 1, and the bottom frame 2 is provided with a fixing assembly 3 for supporting the protective cover 1;

[0028] The illumination assembly 6 is symmetrically arranged in the containing cavity, and the illumination assembly 6 comprises a supporting block 62 and a swing block 63 rotationally connected to the supporting block 62, the swing block 63 is symmetrically provided with an inclined surface 64, the inclined surface 64 is provided with a lamp strip 65 facing the terminal unit 7, and one end of the swing block 63 is provided with a knob 61.

[0029] Specifically, the protective cover 1 has a containing cavity, and the containing cavity is provided with a terminal unit 7, the terminal unit 7 is fixed at the axis of the containing cavity, the top cover 5 is rotationally connected to the protective cover 1, and the top cover 5 is provided with a clamping block, the top cover 5 and the protective cover 1 are fixed by the clamping block when they are combined, the bottom frame 2 is provided at the bottom of the protective cover 1, and the bottom frame 2 is provided with a fixing assembly 3 for supporting the protective cover 1, after the mine is deeply excavated, there is soil in the mine, the terminal box can be simply fixed to the soil by the fixing assembly 3, the installation efficiency of the terminal box is improved, the illumination assembly 6 is symmetrically arranged in the containing cavity, and the illumination assembly 6 comprises a supporting block 62 and a swing block 63 rotationally connected to the supporting block 62, the swing block 63 is symmetrically provided with an inclined surface 64, the inclined surface 64 is provided with a lamp strip 65 facing the terminal unit 7, and one end of the swing block 63 is provided with a knob 61, when the cable is connected with the terminal box again, the irradiation angle of the lamp strip 65 is adjusted by rotating the knob 61, so that the light is irradiated to the terminal to be connected, and the connection efficiency of the cable is improved.

[0030] As a further provided embodiment of the utility model, the top cover 5 is provided with a circumferential array of grooves, the grooves are connected with light-transmitting plates 51, one side of the swing block 63 is provided with a lamp strip 65 facing the terminal unit 7, and one end of the swing block 63 is provided with a light-transmitting plate 51, the lamp strip 65 makes the light transmit from the light-transmitting plate 51, so as to warn the workers that there is a terminal box here.

[0031] As a further provided embodiment of the utility model, the protective cover 1 has a wire inlet and a wire outlet, the wire inlet and the wire outlet are provided with wire joints 4, rubber rings are arranged in the wire joints 4, and the rubber rings are used to improve the fixing effect on the cables.

[0032] As a further provided embodiment of the utility model, the wiring unit 7 comprises wiring terminals, wire clamps 71 are arranged on one side of the wiring terminals, when the wire cores of the cables are fixed to the wiring terminals, the cables are fixed by the wire clamps 71, so as to reduce the phenomenon that the cables are pulled off.

[0033] As a further provided embodiment of the utility model, the fixing assembly 3 comprises a swing rod 31, a guide cylinder 30 and a rotating shaft 38 rotatably connected in the guide cylinder 30, the swing rod 31 is rotatably connected to the chassis 2, and a first transmission wheel 32 is arranged at one end of the swing rod 31, a second transmission wheel 34 is arranged on the rotating shaft 38, a synchronous belt 33 is arranged between the first transmission wheel 32 and the second transmission wheel 34, the swing rod 31 is continuously rotated, the second transmission wheel 34 is rotated by the first transmission wheel 32 connected to the synchronous belt 33, the rotating shaft 38 is controlled to rotate, the swing rod 31 is a rod of transmission power, and the side surface is installed, so that the wiring box structure is more compact.

[0034] As a further provided embodiment of the utility model, one end of the rotating shaft 38 is provided with a threaded part 381, a top block 37 is arranged on the threaded part 381 and slides in the guide cylinder 30, inclined blocks 36 matched with the top block 37 are symmetrically arranged on the guide cylinder 30, when the rotating shaft 38 rotates, the top block 37 slides along the guide cylinder 30 in the axial direction through the threaded part 381, and the inclined end 371 of the top block 37 pushes the inclined blocks 36 to slide outward and extrude the soil, so as to improve the fixing effect on the wiring box.

[0035] As a further provided embodiment of the utility model, the end of the rotating shaft 38 is provided with a center 382, and the center 382 improves the effect that the wiring box is fixed in the soil of the mine.

[0036] As a further provided embodiment of the utility model, one end of the swing rod 31 is provided with a connecting rod 312, a clamping groove 311 matched with the swing rod 31 is arranged on the connecting rod 312, the swing rod 31 slides on the connecting rod 312, when the chassis 2 is inserted into the soil, the swing rod 31 is slid downward and clamped in the clamping groove 311 of the connecting rod 312, the swing rod 31 is slid upward after rotating by a certain angle and is separated from the clamping groove 311, and the rotating shaft 38 is continuously rotated by continuously rotating the swing rod 31.

[0037] Working principle: first flip top cover 5, make the protective cover 1 inside the wiring unit 7 exposed, in the cable skin cutting, make the core through the inlet and wiring unit 7 terminal connection, and use wire clamp 71 fixed wire, in the junction box inserted into the soil in the mine, hand-held wooden hammer knock knock part 52 of top cover 5, knock the junction box into the soil, in intermittent rotation swing rod 31, so that the first transmission wheel 32 through the synchronous belt 33 drive second transmission wheel 34 on the rotating shaft 38 rotation, make the top block 37 along the guide cylinder 30 sliding push inclined block 36 sliding extrusion soil, improve the fixed effect of junction box, when the cable terminal fall off need repair, flip top cover 5 and rotate knob 61, so as to adjust the swing block 63 on the light strip 65 illumination angle, so that in repair has enough light, improve the cable and junction box connection efficiency.

[0038] The above technical scheme of the utility model, aiming at the too single technical problem of prior art solution, provides a solution significantly different from the prior art, and the parts not involved in the technical scheme of the application are the same as or can be realized by using the prior art, and thus will not be described herein.

[0039] The technical scheme in the above embodiments has clearly and completely described the content of the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

Claims

1. A junction box for coal mines, characterized in that, include: A protective cover having a receiving cavity in which a wiring unit is disposed; The top cover is rotatably connected to the protective cover; A base frame is provided at the bottom of the protective cover, and a fixing component supporting the protective cover is provided inside the base frame; A lighting assembly is symmetrically arranged within the receiving cavity. The lighting assembly includes a support block and a swing block rotatably connected to the support block. The swing block has symmetrically opened inclined surfaces, and a light strip facing the wiring unit is arranged on the inclined surface. A knob is provided at one end of the swing block.

2. A coal mine junction box according to claim 1, characterized in that, The top cover has grooves arranged in a circular array, and a light-transmitting plate is snapped into the groove.

3. A coal mine junction box according to claim 1, characterized in that, The protective cover has a cable inlet and a cable outlet, both of which are equipped with cable connectors.

4. A coal mine junction box according to claim 1, characterized in that, The wiring unit includes wiring terminals, and each wiring terminal has a wire clamp on one side.

5. A coal mine junction box according to claim 1, characterized in that, The fixing component includes a swing rod, a guide cylinder, and a rotating shaft rotatably connected inside the guide cylinder. The swing rod is rotatably connected to the base frame, and a first transmission wheel is provided at one end of the swing rod. A second transmission wheel is provided on the rotating shaft, and a synchronous belt is provided between the first transmission wheel and the second transmission wheel.

6. A coal mine junction box according to claim 5, characterized in that, One end of the rotating shaft is provided with a threaded part, and a top block that slides inside the guide cylinder is provided on the threaded part. Inclined blocks that cooperate with the top block are symmetrically provided on the guide cylinder.

7. A coal mine junction box according to claim 6, characterized in that, The end of the shaft is provided with a center point.

8. A coal mine junction box according to claim 5, characterized in that, One end of the swing rod is provided with a connecting rod, and the connecting rod has a slot that cooperates with the swing rod.

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