Wiring connecting device for coal mine electromechanical equipment

Abstract

The utility model discloses a coal mine electromechanical equipment wiring connecting device, which comprises a junction box, and is characterized in that an upper cover is arranged at the upper part of the junction box, the junction box is fixedly connected with the upper cover through a screw, the side surface of the junction box is communicated with a wire inlet pipe, and the wire inlet pipe is communicated with the junction box. One end, far away from the junction box, of each wire inlet pipe is in threaded connection with a compression nut, the interior of the junction box is fixedly connected with a wire holder, the interior of the wire holder is provided with a shockproof assembly, and the interior of the junction box is provided with a drying assembly; the shockproof assembly comprises a first wire inlet hole, the first wire inlet hole is formed in the side surface of the wire holder, and a first sliding seat and a second sliding seat are arranged in the first wire inlet hole; when vibration is generated during equipment operation, the first spring and the second spring form bidirectional pressure compensation on the core wire through the conducting strip, vibration energy is absorbed in cooperation with elastic deformation of the elastic band, and it is ensured that electrical connection is always stable and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine electromechanical wiring technical field, concretely is a coal mine electromechanical equipment wiring connecting device. BACKGROUND

[0002] The coal mine electromechanical equipment wiring connecting device is a special device for reliably connecting power and signal transmission lines between underground and ground electromechanical equipment, and is widely applied to the connection of power supply, control and monitoring systems of equipment such as coal mining machines, scraper conveyors and ventilators.

[0003] Under the complex working conditions of coal mines, the equipment is subjected to environmental challenges such as long-term strong vibration, high humidity and dust pollution, and the traditional wiring device has many defects: first, the rigid connection structure cannot effectively absorb vibration energy, which easily leads to loose contact between the wire and the conductive sheet or even a circuit break; second, the sealing design relies on static glue sealing or a simple dust cover, which cannot resist dynamic water vapor penetration and dust intrusion, causing insulation aging and short circuit risk; third, the cable fixing method is single and cannot meet the reliable clamping needs of cables of different diameters. SUMMARY

[0004] The utility model aims at providing a coal mine electromechanical equipment wiring connecting device to solve the problems raised in the background.

[0005] By adopting the above technical scheme, the wiring device is protected.

[0006] Compared with the prior art, the utility model has the advantages of:

[0007] 1. When the equipment is running and generates vibration, the spring one and the spring two form bidirectional pressure compensation on the core wire through the conductive sheet, cooperate with the elastic deformation of the elastic belt to absorb vibration energy, and ensure that the electrical connection is always stable and reliable; the double-ring track design of the wire inlet hole one allows the sliding seat two to rotate by 360° for adjustment, meets the fixing needs of cables of different diameters, effectively improves the problem that the traditional rigid connection is easily affected by vibration and leads to poor contact, and improves the wiring reliability under the complex working conditions of underground coal mines.

[0008] 2. In the utility model, the fan discharges the humid air in the wiring box through the air hole, cooperates with the one-way valve to introduce dry air to form a circulating air flow, and then forms a double-sealing barrier with the partition plate and the sealing rubber ring after the cable is inserted, prevents external water vapor impurities from entering, ensures that the wiring seat is always in a dry and clean environment, improves the limitations of the traditional static sealing, combines active ventilation with passive sealing, improves the insulation aging risk of the electrical connection caused by humidity, and prolongs the service life of the equipment BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1It is the front view of the wiring device of the utility model;

[0010] Figure 2 It is the schematic view of the drying assembly of the utility model;

[0011] Figure 3 It is the side view of the drying assembly of the utility model;

[0012] Figure 4 It is the schematic view of the shockproof assembly of the utility model.

[0013] In the figure: 1, junction box; 2, upper cover; 3, screw; 4, incoming wire pipe; 5, compression nut; 6, wiring seat; 7, shockproof assembly; 701, incoming hole one; 702, sliding seat one; 703, sliding seat two; 704, elastic belt; 705, spring one; 706, conductive sheet one; 707, fixed plate; 708, spring two; 709, conductive sheet two; 8, drying assembly; 801, fan; 802, partition plate; 803, incoming hole two; 9, one-way valve; 10, partition ring; 11, air hole; 12, sealing rubber ring. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. 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.

[0015] Please refer to Figures 1-4 The utility model provides a technical scheme: a coal mine mechanical and electrical equipment wiring connecting device, including junction box, the upper portion of junction box is provided with upper cover, junction box with the upper cover is connected through screw fixedly, the side surface of junction box is connected with incoming wire pipe, a plurality of incoming wire pipe is screw connected with compression nut away from the one end of junction box, the inside fixed connection of junction box has wiring seat, the inside of wiring seat is provided with shockproof assembly, the inside of junction box is provided with drying assembly;

[0016] The shockproof assembly includes a wire inlet hole one, the wire inlet hole one is opened in the side surface of the terminal block, the inside of the wire inlet hole one is provided with sliding seat one and sliding seat two, the sliding seat one is fixedly connected with the inner wall of the wire inlet hole one, the sliding seat two is slidingly connected with the inner wall of the wire inlet hole one, the sliding seat one and sliding seat two are fixedly connected with elastic band, the inside of the terminal block is provided with spring one, one end of the spring one is fixedly connected with the lower side of the inner surface of the terminal block, the other end of the spring one is fixedly connected with conductive sheet one, the conductive sheet one is slidingly connected in the inside of the terminal block, the upper end of the terminal block is provided with fixed plate, the fixed plate is fixedly connected with the terminal block through screw, the lower surface of the fixed plate is provided with spring two, one end of the spring two is fixedly connected with the lower surface of the fixed plate, the other end of the spring two is fixedly connected with conductive sheet two, the conductive sheet two is slidingly connected in the inside of the terminal block.

[0017] The drying assembly includes a fan, the fan is fixedly connected with the side surface of the terminal box away from the wire inlet pipe, the input end of the fan is communicated with the side surface of the terminal box, the output end of the fan is communicated with the outside, the inside of the terminal box is fixedly connected with the partition plate, the partition plate is located between the inner wall of the terminal box and the terminal block, the side surface of the partition plate is provided with wire inlet hole two.

[0018] The side surface of the terminal box is connected with one-way valve, the one-way valve is located on the side of the terminal box opposite to the fan.

[0019] The inner wall of the wire inlet hole one is fixedly connected with partition ring, the partition ring divides the inner wall of the wire inlet hole one into two annular tracks, the sliding seat one and sliding seat two are located in different annular tracks respectively.

[0020] The side surface of the partition plate is provided with air hole, the air hole is located on the straight line connected with the input end of the fan and the input end of the one-way valve.

[0021] In the natural state, the input end and the output end of the fan are not communicated.

[0022] The side surface of the partition plate is fixedly connected with sealing rubber ring, the sealing rubber ring is located outside the wire inlet hole two.

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer toFigures 1-4 The utility model provides a technical scheme: a coal mine electromechanical equipment wiring connecting device, including the junction box 1, the upper portion of junction box 1 is provided with the upper cover 2, junction box 1 with upper cover 2 are connected through screw 3, the lateral surface of junction box 1 is connected with the incoming line pipe 4, the end of the plurality of incoming line pipe 4 away from junction box 1 is screw -threaded with the compression nut 5, the inside fixed connection of junction box 1 has the terminal block 6, the inside of terminal block 6 is provided with the shockproof subassembly 7, the inside of junction box 1 is provided with dry component 8,

[0025] Shockproof subassembly 7 includes the silk hole one 701, the silk hole one 701 is set up in the lateral surface of terminal block 6, the inside of silk hole one 701 is provided with sliding seat one 702 and sliding seat two 703, sliding seat one 702 is fixedly connected in the inner wall of silk hole one 701, sliding seat two 703 is slidably connected in the inner wall of silk hole one 701, and the fixed connection of sliding seat one 702 and sliding seat two 703 has elastic band 704, the inside of terminal block 6 is provided with spring one 705, one end of spring one 705 is fixedly connected in the lower side of the inner surface of terminal block 6, the other end of spring one 705 is fixedly connected with conductive sheet one 706, and conductive sheet one 706 is slidably connected in the inside of terminal block 6, the upper end of terminal block 6 is provided with fixed plate 707, and fixed plate 707 is fixedly connected with terminal block 6 through screw 3, the lower surface of fixed plate 707 is provided with spring two 708, one end of spring two 708 is fixedly connected in the lower surface of fixed plate 707, and the other end of spring two 708 is fixedly connected with conductive sheet two 709, and conductive sheet two 709 is slidably connected in the inside of terminal block 6.

[0026] The inner wall of silk hole one 701 is fixedly connected with the partition ring 10, and the inner wall of silk hole one 701 is divided into two annular tracks by the partition ring 10, and sliding seat one 702 and sliding seat two 703 are located in different annular tracks.

[0027] The lateral surface of the partition plate 802 is fixedly connected with the sealing rubber ring 12, and the sealing rubber ring 12 is located outside the silk hole two 803.

[0028] Specifically, first, the screw 3 is rotated to separate the junction box 1 from the upper cover 2, then the cable is inserted into the junction box 1 from the inlet tube 4, and the compression nut 5 is rotated to be screwed with the inlet tube 4, so that the cable sheath is fixed in the inlet tube 4 by extrusion; then the cable core wire is inserted into the junction seat 6 along the second wire inlet hole 803 and the first wire inlet hole 701, when the core wire passes through the second wire inlet hole 803, the sealing rubber ring 12 tightly contacts the outer surface of the core wire, ensuring the sealing of the space on both sides of the partition plate 802; since the sliding seat one 702 in the first wire inlet hole 701 is fixed and the elastic band 704 is fixed between the sliding seat one 702 and the sliding seat two 703, at this time, the sliding seat two 703 is rotated to wrap the elastic band 704 on the outer surface of the cable core wire, further fixing the cable, and then the end of the core wire is placed in the clamping area between the conductive sheet one 706 and the conductive sheet two 709, the spring one 705 and the spring two 708 outside the conductive sheet one 706 and the conductive sheet two 709 form bidirectional clamping on the core wire by using the elasticity of themselves, then the fixed plate 707 is fixed by the screw 3, so that the compression amount of the spring two 708 reaches the design requirement, the elastic connection between the cable and the conductive sheet is completed, and finally the upper cover 2 is closed by the screw 3 to complete the wiring; the mechanical fixation and electrical connection of the cable are realized by the elastic conductive sheet clamping, and the problem that the wiring connection device is prone to poor contact or open circuit risk due to vibration is improved.

[0029] The drying assembly 8 includes a fan 801 fixedly connected to the side surface of the junction box 1 away from the inlet tube 4, the input end of the fan 801 is communicated with the side surface of the junction box 1, the output end of the fan 801 is communicated with the outside, the junction box 1 is fixedly connected with a partition plate 802, the partition plate 802 is located between the inner wall of the junction box 1 and the junction seat 6, and the side surface of the partition plate 802 is provided with a second wire inlet hole 803.

[0030] The side surface of the junction box 1 is connected with a one-way valve 9, and the one-way valve 9 is located on the side of the junction box 1 opposite to the fan 801.

[0031] The side surface of the partition plate 802 is provided with a ventilation hole 11, and the ventilation hole 11 is located on a straight line connected by the input end of the fan 801 and the input end of the one-way valve 9.

[0032] In a natural state, the input end and the output end of the fan 801 are not communicated.

[0033] Specifically, due to the high heat and humid environment in the mine, part of the water vapor will enter the device during long-term use of the equipment, at which time the fan 801 can be started, the input end of which will suck the humid air in the junction box 1 through the air hole 11 of the partition plate 802, and then discharge the compressed air from the output end to the outside, and when facing high-temperature environment, the fan 801 is started in reverse, absorbing outside air into the junction box 1, and at the same time discharging the air from the junction box 1 through the one-way valve 9, forming a gas circulation; when absorbing and sending in the gas, the partition plate 802 divides the junction box 1 into two areas, and the sealing rubber ring 12 around the wire inlet hole two 803 on the outer surface of the partition plate 802 is tightly combined with the core wire after the cable is inserted, cooperating with the physical isolation effect of the partition plate 802, to prevent the external water vapor and impurities from directly contacting the terminal block 6, and the linear layout of the air hole 11 on the outer surface of the partition plate 802 and the one-way valve 9 makes the air flow path shortest, improving the efficiency of heat dissipation and drying; in addition, the fan 801 blocks the communication between the input end and the output end in the non-working state through its own structure, preventing the reverse entry of outside air, and the drying assembly 8 realizes the effect of reducing the humidity and temperature in the junction box 1, solving the problem of water vapor condensation and high temperature of the junction box 1 caused by poor sealing of the traditional device, and ensuring the stability of the electrical connection.

Claims

1. A coal mine electromechanical equipment wiring connection device, comprising a wiring box (1), characterized in that: The upper part of the junction box (1) is provided with an upper cover (2), the junction box (1) and the upper cover (2) are fixedly connected through screws (3), the side surface of the junction box (1) is communicated with wire inlet pipes (4), the ends of the wire inlet pipes (4) away from the junction box (1) are threadedly connected with compression nuts (5), the inside of the junction box (1) is fixedly connected with a junction seat (6), the inside of the junction seat (6) is provided with a shockproof assembly (7), and the inside of the junction box (1) is provided with a drying assembly (8). The shockproof assembly (7) comprises a wire inlet hole one (701), the wire inlet hole one (701) is arranged on the side surface of the junction seat (6), the inside of the wire inlet hole one (701) is provided with a sliding seat one (702) and a sliding seat two (703), the sliding seat one (702) is fixedly connected to the inner wall of the wire inlet hole one (701), the sliding seat two (703) is slidably connected to the inner wall of the wire inlet hole one (701), the sliding seat one (702) and the sliding seat two (703) are fixedly connected with elastic belts (704), the inside of the junction seat (6) is provided with a spring one (705), one end of the spring one (705) is fixedly connected to the lower side of the inner surface of the junction seat (6), the other end of the spring one (705) is fixedly connected with a conductive sheet one (706), the conductive sheet one (706) is slidably connected in the inside of the junction seat (6), the upper end of the junction seat (6) is provided with a fixed plate (707), the fixed plate (707) is fixedly connected with the junction seat (6) through screws (3), the lower surface of the fixed plate (707) is provided with a spring two (708), one end of the spring two (708) is fixedly connected to the lower surface of the fixed plate (707), the other end of the spring two (708) is fixedly connected with a conductive sheet two (709), and the conductive sheet two (709) is slidably connected in the inside of the junction seat (6).

2. A coal mine electromechanical equipment wiring connection device according to claim 1, characterized in that: The drying assembly (8) comprises a fan (801), the fan (801) is fixedly connected to the side surface of the junction box (1) away from the wire inlet pipe (4), the input end of the fan (801) is communicated with the side surface of the junction box (1), the output end of the fan (801) is communicated with the outside, the inside of the junction box (1) is fixedly connected with a partition plate (802), the partition plate (802) is located between the inner wall of the junction box (1) and the junction seat (6), and the side surface of the partition plate (802) is provided with a wire inlet hole two (803).

3. A coal mine electromechanical equipment wiring connection device according to claim 2, characterized in that: The side surface of the junction box (1) is connected with a one-way valve (9), and the one-way valve (9) is located on the side of the junction box (1) opposite to the fan (801).

4. The coal mine electromechanical equipment wiring connection device according to claim 1, characterized in that: The inner wall of the wire inlet hole one (701) is fixedly connected with a partition ring (10), the partition ring (10) divides the inner wall of the wire inlet hole one (701) into two annular tracks, and the sliding seat one (702) and the sliding seat two (703) are located in different annular tracks respectively. The inner wall of the wire inlet hole one (701) is fixedly connected with a partition ring (10), the partition ring (10) divides the inner wall of the wire inlet hole one (701) into two annular tracks, and the sliding seat one (702) and the sliding seat two (703) are located in different annular tracks respectively.

5. A coal mine electromechanical equipment wiring connection device according to claim 3, characterized in that: The side surface of the partition plate (802) is provided with a ventilation hole (11), which is located on a straight line connecting the input end of the fan (801) and the input end of the one-way valve (9).

6. A coal mine electromechanical equipment wiring connection device according to claim 2, characterized in that: In a natural state, the input end and the output end of the fan (801) are not communicated.

7. A coal mine electromechanical equipment wiring connection device according to claim 2, characterized in that: The side surface of the partition plate (802) is fixedly connected with a sealing rubber ring (12), which is located outside the second wire inlet hole (803).

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