CN210806402U - High tension switchgear inlet wire protection equipment - Google Patents

Abstract

The utility model discloses a high tension switchgear inlet wire protection equipment, including inlet wire cabinet main part, running instrument and cable conductor, the inside of inlet wire cabinet main part is provided with the mounting bracket, the place ahead of mounting bracket is connected with the mounting panel, the place ahead of mounting panel is connected with the circuit protection board, and the place ahead of mounting panel is connected with the running instrument, both ends all are provided with the fixing base about the circuit protection board, the upper and lower both ends of running instrument all are provided with the circuit link, and the internal connection of circuit link has the cable conductor, the external connection of circuit link has the housing, the top inboard of circuit protection board is provided with spacing seat, and the internally mounted of spacing seat has coupling spring. This high tension switchgear inlet wire protection equipment can protect the link of cable conductor through the setting of housing, improves cable conductor connection's stability simultaneously, prevents that the condition that breaks away from appearing in its link of cable conductor in the course of the work from appearing.

Description

High tension switchgear inlet wire protection equipment

Technical Field

The utility model relates to a high tension switchgear technical field specifically is a high tension switchgear inlet wire protection equipment.

Background

The high-voltage switch cabinet is a device applied to an electric power system, mainly plays roles of on-off, control or protection in power generation, power transmission, power distribution, electric energy conversion and consumption in the electric power system, and is mainly applied to large-scale electric power application and shunt places, such as power plants, transformer substations, petrochemical engineering or residential quarters and the like.

The inlet wire cabinet is exactly the cubical switchboard of following the outside introduction power, and it is the main cubical switchboard of load side, and the inlet wire cabinet is connected with external power source through interconnecting link, and in the conventional circuit inlet wire connection process, it is fixed through metal joint between circuit and the interior operation instrument of cabinet, and this kind of fixed mode lacks the protection to the junction, and the junction drops probably can appear in long-time course of the work to influence the whole working property of cubical switchboard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high tension switchgear inlet wire protective equipment to it fixes through metal joint in the conventional circuit that proposes in the above-mentioned background art and the cabinet between the operation instrument, the problem that junction drops probably can appear in this kind of fixed mode.

In order to achieve the above object, the utility model provides a following technical scheme: a high tension switchgear inlet wire protection device comprises an inlet wire cabinet main body, a running instrument and a cable conductor, wherein a mounting frame is arranged in the inlet wire cabinet main body, a first fixing groove is formed in the surface of the mounting frame, a mounting plate is connected to the front of the mounting frame, a second fixing groove is formed in the mounting plate, a circuit protection plate is connected to the front of the mounting plate, the running instrument is connected to the front of the mounting plate and is located below the circuit protection plate, fixing seats are arranged at the left end and the right end of the circuit protection plate and are connected with the second fixing groove through fixing bolts, circuit connecting ends are arranged at the upper end and the lower end of the running instrument, the cable conductor is connected to the inner ends of the circuit connecting ends, a housing is connected to the outer portions of the circuit connecting ends, a limiting groove is formed in the top end surface of the housing, a, the circuit protection board is characterized in that a limiting seat is arranged on the inner side of the top of the circuit protection board, a connecting spring is arranged inside the limiting seat, and a contact plate is connected to the tail end of the connecting spring.

Preferably, the mounting frame is symmetrically arranged on the left side and the right side of the inner part of the incoming line cabinet main body, first fixing grooves are formed in the front surface of the mounting frame at equal intervals, and the mounting frame and the mounting plate form a dismounting and mounting structure.

Preferably, the circuit protection board is a through structure which is not sealed up and down, the inner sides of the upper end and the lower end of the front surface of the circuit protection board are provided with limiting seats at equal intervals, the limiting seats and the contact plate form a sliding structure, and the rear end of the contact plate is an arc-shaped surface.

Preferably, the upper end and the lower end of the operation instrument are both connected with a housing, the housing and the operation instrument form a rotating structure, and the housing and the line connecting end form a clamping structure.

Preferably, the fixing seats and the housing form an integrated structure, and the distance between the left and right 2 fixing seats is the same as the distance between the adjacent 2 second fixing grooves.

Preferably, the limiting grooves are arranged on the upper surface of the housing at equal intervals, the inner diameter of each limiting groove is larger than the diameter of the cable, and the rear end faces of the limiting grooves are not closed.

Compared with the prior art, the beneficial effects of the utility model are that: the incoming line protection equipment of the high-voltage switch cabinet,

1. in the device, after the lower end of a cable of a connecting circuit is fixedly connected with an operating instrument, the connecting part between the lower end of the cable and the operating instrument is positioned in the circuit connecting end, the connecting end is completely covered in the connecting end by a cover shell, the cover shell protects the connecting end, and meanwhile, a limiting groove arranged above the cover shell forms contact pressure on the cable when a fixing bolt is screwed down, so that the cable can be more stably fixed in the cover shell;

2. in the device, a circuit protection plate is arranged above the operation instrument, the circuit protection plate can accommodate the upper end structure of the cable in the device, the contact plate arranged on the inner side of the circuit protection plate is in contact with the outer surface of the cable, and the pressure generated by the connecting spring is used for resisting the cable, so that the cable is limited in the circuit protection plate, a certain support can be provided for the upper end structure of the cable through friction force, and the stability of the upper end of the cable is improved;

3. the inside equidistant fire control sand bag that is provided with of the cabinet body, and the fire control sand bag is located the rear side of operation instrument, and when the high temperature in the cabinet was fired naked light, the shell of broken fire control sand bag was burnt to flame to make the inside fire control sand shell of fire control sand bag, can water the naked light in the cabinet out the very first time, reduce the loss that the harm of firing a fire and catch fire.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the right-side sectional structure of the mounting rack and the main body of the inlet cabinet of the present invention;

FIG. 3 is a schematic diagram of the right-view cross-sectional structure of the operation instrument of the present invention connected to the housing;

FIG. 4 is a schematic view of the structure of the present invention showing the top view of the limiting groove on the upper part of the housing;

FIG. 5 is a schematic view of the cross-sectional structure of the limiting seat and the contact plate according to the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a main body of the incoming cabinet; 2. a mounting frame; 3. a first fixing groove; 4. mounting a plate; 5. a second fixing groove; 6. a circuit protection board; 7. operating the instrument; 8. a fixed seat; 9. fixing the bolt; 10. a cable wire; 11. a line connection end; 12. a housing; 13. a limiting groove; 14. fire-fighting sandbags; 15. a limiting seat; 16. a connecting spring; 17. a contact plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a high-voltage switch cabinet incoming line protection device comprises an incoming line cabinet main body 1, a mounting frame 2, a first fixing groove 3, a mounting plate 4, a second fixing groove 5, a line protection plate 6, an operation instrument 7, a fixing seat 8, a fixing bolt 9, a cable 10, a line connecting end 11, a housing 12, a limiting groove 13, a fire protection sand bag 14, a limiting seat 15, a connecting spring 16 and a contact plate 17, wherein the mounting frame 2 is arranged inside the incoming line cabinet main body 1, the first fixing groove 3 is formed in the surface of the mounting frame 2, the mounting plate 4 is connected in front of the mounting frame 2, the second fixing groove 5 is formed inside the mounting plate 4, the line protection plate 6 is connected in front of the mounting plate 4, the operation instrument 7 is positioned below the line protection plate 6, the fixing seats 8 are arranged at the left end and the right end of the line protection plate 6, and the, the upper and lower both ends of operation instrument 7 all are provided with circuit connection end 11, and the internal connection of circuit connection end 11 has cable conductor 10, and the external connection of circuit connection end 11 has housing 12, and the top surface of housing 12 has seted up restriction groove 13, and the inside of inlet wire cabinet main part 1 is provided with fire control sand hill 14, and the top inboard of circuit protection shield 6 is provided with spacing seat 15, and the internally mounted of spacing seat 15 has coupling spring 16 to coupling spring 16's end-to-end connection has contact plate 17.

Mounting bracket 2 sets up at the inside left and right sides symmetry of inlet wire cabinet main part 1, and the equidistant first fixed slot 3 of having seted up in the front surface of mounting bracket 2, and mounting bracket 2 constitutes with mounting panel 4 and dismantles the mounting structure, mounting panel 4 passes through fixing bolt 9 fixed mounting in the front side of mounting bracket 2, thereby to installing circuit protection shield 6 and operation instrument 7 formation support in mounting panel 4 the place ahead, the installation position to mounting panel 4 that the staff can be free is adjusted, thereby adjust the installation position of circuit protection shield 6 and operation instrument 7.

Line protection board 6 sets up to the not enclosed link-up structure from top to bottom, and the equal interval in inboard at both ends is provided with spacing seat 15 about the front surface of line protection board 6, and spacing seat 15 constitutes sliding construction with contact plate 17, the rear end of contact plate 17 sets up to the arcwall face simultaneously, through connection is in the inside of line protection board 6 about cable conductor 10, with the arcwall face of contact plate 17 mutual contact, thereby produce pressure to coupling spring 16, make the elasticity that coupling spring 16 produced act on contact plate 17, thereby support cable conductor 10 through contact plate 17, restrict cable conductor 10 in the inside of line protection board 6, improve cable conductor 10 and below operation instrument 7 and top structural connection's stability when providing the support of certain degree to cable conductor 10.

Operation instrument 7's upper and lower both ends all are connected with housing 12, and housing 12 constitutes revolution mechanic with operation instrument 7, and housing 12 constitutes the block structure with circuit link 11, and housing 12 can cover the connection interface cage between circuit link 11 and cable conductor 10 in inside, thereby form the protection to connecting interface, and improve the stability that cable conductor 10 connects, reduce and drop probably, housing 12 can rotate simultaneously, can not influence the installation of staff's initial stage to cable conductor 10.

Fixing base 8 and housing 12 constitute the integral structure, and control 2 interval sizes between the fixing base 8 and the interval size between 2 adjacent second fixed slots 5 the same, after cable conductor 10 is connected with circuit connection end 11 completion, it covers the inside at housing 12 with circuit connection end 11 complete cage to rotate housing 12, restriction groove 13 that cable conductor 10 was seted up through the top upwards continues to extend, carry out fixed connection through fixing bolt 9 between 2 second fixed slots 5 with fixing base 8 and corresponding, so can accomplish the fixed to housing 12, make housing 12 can't continue to rotate, thereby ensure the stability of being connected between cable conductor 10 and the circuit connection end 11.

The limiting grooves 13 are arranged on the upper surface of the housing 12 at equal intervals, the inner diameter of each limiting groove 13 is larger than the diameter of the cable 10, the rear end face of each limiting groove 13 is not closed, after the connection is formed between the fixing seat 8 and the second fixing groove 5, a worker can tighten the fixing bolt 9 by continuing to rotate to draw the distance between the fixing seat 8 and the second fixing groove 5, so that the distance between the housing 12 and the mounting plate 4 is drawn, the limiting grooves 13 move backwards, the inner wall of the front side of each limiting groove is in contact with the outer surface of the cable 10, pressure is applied to the cable 10, the cable 10 is limited and fixed above the line connecting end 11 through the limiting grooves 13, the diameter of the metal end face arranged on the bottom connecting structure of the cable 10 is larger than the inner diameter of the limiting grooves 13, and after the positions of the limiting grooves 13 are fixed, the bottom end structures of the cable 10 cannot, thereby making it difficult for the cable wires 10 to come off from the line connection terminals 11.

The working principle is as follows: as shown in fig. 1 and 6, when installing the device, a worker needs to select an installation position of the operation instrument 7, place the installation plate 4 at the front side of the installation frame 2, insert the first fixing groove 3 with a corresponding height through the fixing bolt 9, install the installation plate 4 at the front side of the installation frame 2, then place the operation instrument 7 at the front side of the installation plate 4, form a fixed connection between the notch reserved behind the operation instrument 7 and the second fixing groove 5 through the fixing bolt 9, thereby fixedly installing the operation instrument 7 at the front side of the installation plate 4, as shown in fig. 3, 4 and 6, rotate the line connecting end 11 exposed behind the cover 12, connect and fix the bottom end of the cable 10 with the connecting port of the line connecting end 11, rotate the cover 12 again after the fixing is completed, so that the fixing seats 8 at the left and right ends of the cover 12 rotate to contact with the front surface of the installation plate 4, the limiting groove 13 rotates along with the casing 12 to abut against the outer surface of the cable 10, pressure is applied to the cable 10 to limit the cable 10 to be fixed inside the casing 12, and finally the fixing seat 8 is connected with the second fixing groove 5 through the fixing bolt 9, so that the casing 12 cannot rotate continuously, and the cable 10 cannot be separated from the circuit connecting end 11;

as shown in fig. 1, 2 and 5, the circuit protection board 6 is mounted above the operation instrument 7, so that the cable 10 penetrates through the circuit protection board 6, the fixing seats 8 at the left and right ends of the circuit protection board 6 are fixedly connected with the second fixing grooves 5, so that the circuit protection board 6 is fixedly mounted in front of the mounting plate 4, the contact plate 17 at the rear end of the limiting seat 15 is in contact with the outer surface of the cable 10, the cable 10 penetrating through the interior of the circuit protection board 6 is pressurized under the action of the connecting spring 16, the stability of the connection of the cable 10 is improved through the external pressure, and the cable 10 is difficult to be separated from the upper connection in vibration;

as shown in fig. 1 and 2, the fire fighting sand bags 14 are arranged in the inlet cabinet main body 1 at equal intervals, the fire fighting sand bags 14 are located at the rear side of the mounting plate 4, in the working process of the device, because power equipment generally can increase the internal temperature in operation, and the fire fighting sand bags 14 are likely to be ignited when the temperature is too high, the outer packages of the fire fighting sand bags 14 are made of hemp cloth, when the internal temperature of the inlet cabinet main body 1 is too high to reach the outer package ignition point of the fire fighting sand bags 14, the outer portions of the fire fighting sand bags 14 can be burnt to be broken by open fire, so that the internal fire fighting sand is poured out, and the open fire is prevented from occurring.

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.

Claims (6)

1. The utility model provides a high tension switchgear inlet wire protection equipment, includes inlet wire cabinet main part (1), operation instrument (7) and cable conductor (10), its characterized in that: the wire inlet cabinet is characterized in that a mounting rack (2) is arranged in the wire inlet cabinet body (1), a first fixing groove (3) is formed in the surface of the mounting rack (2), a mounting plate (4) is connected to the front of the mounting rack (2), a second fixing groove (5) is formed in the mounting plate (4), a circuit protection plate (6) is connected to the front of the mounting plate (4), an operation instrument (7) is connected to the front of the mounting plate (4), the operation instrument (7) is located below the circuit protection plate (6), fixing seats (8) are arranged at the left end and the right end of the circuit protection plate (6), the fixing seats (8) are connected with the second fixing groove (5) through fixing bolts (9), circuit connecting ends (11) are arranged at the upper end and the lower end of the operation instrument (7), and a cable (10) is connected to the inside of the circuit, the utility model discloses a fire-fighting protection cabinet, including circuit link end (11), wire harness (6), wire harness (11), the external connection of circuit link end (11) has housing (12), and the top surface of housing (12) has seted up restriction groove (13), the inside of inlet wire cabinet main part (1) is provided with fire-fighting sand bag (14), the top inboard of wire harness (6) is provided with spacing seat (15), and the internally mounted of spacing seat (15) has coupling spring (16) to coupling spring's (16) end-to-end connection has contact plate.

2. The high-voltage switch cabinet incoming line protection device of claim 1, characterized in that: mounting bracket (2) are in the inside left and right sides symmetry setting of inlet wire cabinet main part (1), and the equidistant first fixed slot (3) of having seted up in front surface of mounting bracket (2) to mounting bracket (2) and mounting panel (4) constitute and dismantle mounting structure.

3. The high-voltage switch cabinet incoming line protection device of claim 1, characterized in that: the circuit protection board (6) is of a through structure which is not sealed up and down, the inner sides of the upper end and the lower end of the front surface of the circuit protection board (6) are provided with limiting seats (15) at equal intervals, the limiting seats (15) and the contact board (17) form a sliding structure, and meanwhile the rear end of the contact board (17) is of an arc-shaped surface.

4. The high-voltage switch cabinet incoming line protection device of claim 1, characterized in that: the upper end and the lower end of the operation instrument (7) are both connected with a housing (12), the housing (12) and the operation instrument (7) form a rotating structure, and the housing (12) and the line connecting end (11) form a clamping structure.

5. The high-voltage switch cabinet incoming line protection device of claim 1, characterized in that: the fixing seats (8) and the housing (12) form an integrated structure, and the distance between the left and right 2 fixing seats (8) is the same as the distance between the adjacent 2 second fixing grooves (5).

6. The high-voltage switch cabinet incoming line protection device of claim 1, characterized in that: the limiting grooves (13) are arranged on the upper surface of the housing (12) at equal intervals, the inner diameter of each limiting groove (13) is larger than the diameter of the cable (10), and the rear end faces of the limiting grooves (13) are not closed.

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