CN210467672U - Protection type high-voltage single-stage isolating switch - Google Patents

Abstract

The utility model discloses a protective high-voltage single-stage isolating switch, which comprises a switch main body and a switch box body, wherein the lower surface inside the switch box body is symmetrically provided with slide rails, the slide rails are connected with a sliding table in a sliding way, the switch main body is fixedly arranged on the sliding table, the side wall of the switch box body in the sliding direction of the sliding table is provided with a main box port, the inner side wall of the switch box body and the upper part of the sliding table are symmetrically and rotatably connected with a support shaft through bearings, a main gear is fixedly arranged on the support shaft, the upper surface of the sliding table and the lower part of the main gear are symmetrically provided with transverse racks, the main gear is meshed and connected with the opposite transverse racks, the utility model plays a protective role on the switch main body, prevents objects in wind from being impacted or being artificially impacted to damage the switch main body, simultaneously, workers are very convenient in the maintenance process, and the isolating switch moves, the switch box body can slide out, so that the maintenance of workers is facilitated.

Description

Protection type high-voltage single-stage isolating switch

Technical Field

The utility model relates to the technical field of switches, specific field is a protection type high pressure single-stage isolator.

Background

The high-voltage single-stage isolating switch is usually called as an isolating switch for short, is an electrical appliance which is used most in high-voltage switching electrical appliances, has a simple working principle and structure, but has high requirements on working reliability due to large usage amount, and has great influence on design, establishment and safe operation of a substation and a power plant. The main characteristic of the isolating switch is that it has no arc-extinguishing capability, and can only open and close the circuit under the condition of no load current. The isolating switch is used for each stage of voltage, is used for changing circuit connection or isolating lines or equipment from a power supply, has no current-breaking capacity, and can be operated only after other equipment is used for disconnecting the lines. Typically with an interlock to prevent inadvertent operation of the switch when loaded, a pin is sometimes required to prevent opening of the switch under the magnetic force of a large fault.

Existing disconnectors are often placed outdoors to facilitate ventilation and maintenance. However, the isolating switch placed outdoors also has the great defect that the isolating switch is easily impacted by objects in the wind or artificially collided in windy weather and can be damaged and cannot be used, and the isolating switch with the protection function is designed at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection type high pressure single-stage isolator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a protective high-voltage single-stage isolating switch comprises a switch main body and a switch box body, wherein a slide rail is symmetrically arranged on the lower surface inside the switch box body, a sliding table is connected to the slide rail in a sliding manner, the switch main body is fixedly arranged on the sliding table, a main box opening is formed in the side wall, located in the sliding table sliding direction, of the switch box body, a supporting shaft is connected to the inner side wall of the switch box body and located on the upper portion of the sliding table in a rotating manner through bearing symmetry, a main gear is fixedly arranged on the supporting shaft, a transverse rack is symmetrically arranged on the upper surface of the sliding table and located on the lower portion of the main gear, the main gear is meshed with the transverse rack, a sliding groove is symmetrically arranged at the edge position of the main box opening of the switch box body, a sliding strip is connected to the sliding groove in a sliding manner, a main box door for sealing the main box opening is fixedly arranged on the, the utility model discloses a switch box, including the main chamber door, the back shaft, the inboard fixed mounting that just is located the main gear has the pinion, the pinion is connected with corresponding vertical rack toothing, the surperficial intermediate position of main chamber door is equipped with the auxiliary tank mouth that makes the switch main part roll-off, the surface that the switch main part was kept away from to the main chamber door just is located the upside of auxiliary tank mouth and articulates there is the auxiliary chamber door, the upper surface of switch box is equipped with the insulation board, be equipped with a plurality of lightning rod on the insulation.

Preferably, a plurality of heat dissipation ventilation holes are formed in the surface of the auxiliary box door in a penetrating mode.

Preferably, the main box door is far away from the surface of the switch main body and is provided with a push handle on the upper side of the auxiliary box opening.

Preferably, the lower surface of the switch box body is symmetrically provided with stop irons for stopping the downward movement of the main box door.

Preferably, a current alarm is arranged on one side wall of the switch box body.

Preferably, the number of the lightning rods is three.

Compared with the prior art, the beneficial effects of the utility model are that: a protective high-voltage single-stage isolating switch has a safety protection function on a switch main body through the matching arrangement of a switch box body, a main box door and an auxiliary box door, when the switch main body needs to be maintained, a sliding table can slide out of the switch box body, and the switch main body can slide out of the switch box body at the same time, so that workers can conveniently maintain the switch, through the matching arrangement of a sliding groove and a sliding strip, the main box door can slide up and down to open a main box opening, through the matching arrangement of a main gear, a transverse rack, an auxiliary gear and a vertical rack, when the main box door is pushed, the vertical rack drives an auxiliary gear to rotate, the auxiliary gear drives a supporting shaft to rotate, the supporting shaft drives the main gear to rotate, the main gear drives the transverse rack to move, so that the sliding table slides on the sliding rail, the switch main body also moves along with the movement of the sliding table, and through the matching arrangement of the auxiliary box opening and, after the auxiliary box door is opened, hit on the auxiliary box door when can preventing the slip table roll-off, through the cooperation setting of insulation board and lightning rod, can prevent that the thunder from causing the injury to the switch main part, the utility model discloses play the guard action to the switch main part, prevent that the striking of object or artificial collision in the wind from causing the damage to the switch main part, simultaneously, the workman is also very convenient in maintenance process, and the switch main part is when main box door rebound, outside the roll-off switch box, has made things convenient for workman's maintenance.

Drawings

Fig. 1 is a schematic view of the internal structure of the switch box of the present invention;

FIG. 2 is a schematic structural view of the main box door of the present invention disposed on the switch box body;

FIG. 3 is a schematic structural view of the auxiliary box door of the present invention disposed on the main box door;

fig. 4 is a schematic view of a surface structure of the main box door of the present invention.

In the figure: 1-a switch main body, 2-a switch box body, 3-a slide rail, 4-a sliding table, 5-a main box opening, 6-a support shaft, 7-a main gear, 8-a transverse rack, 9-a sliding chute, 10-a slide bar, 11-a main box door, 12-a vertical rack, 13-an auxiliary gear, 14-an auxiliary box opening, 15-an auxiliary box door, 16-an insulating plate, 17-a lightning rod, 18-a heat dissipation vent hole, 19-a push handle, 20-a stop iron and 21-a current alarm.

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. 1-4, the present invention provides a technical solution: a protective high-voltage single-stage isolating switch comprises a switch main body 1 and a switch box body 2, the whole high-voltage single-stage isolating switch with a protective function is formed by the switch main body 1 and the switch box body 2, in figure 1, slide rails 3 are symmetrically arranged on the lower surface in the switch box body 2, slide rails 4 are connected on the slide rails 3 in a sliding manner, the switch main body 1 is fixedly arranged on the slide rails 4, a main box opening 5 is arranged on the side wall of the switch box body 2 in the sliding-out direction of the slide rails 4, the switch main body 1 can slide out of the switch box body through the main box opening 5 to facilitate maintenance of workers, a support shaft 6 is symmetrically and rotatably connected on the inner side wall of the switch box body 2 and on the upper part of the slide rails 4 through bearings, a main gear 7 is fixedly arranged on the support shaft 6, transverse racks 8 are symmetrically arranged on the upper surface of, the switch box body 2 is symmetrically provided with sliding grooves 9 at the edge position of the main box opening 5, the upper and lower ends of the sliding grooves 9 respectively penetrate through the upper and lower surfaces of the switch box body 2, sliding strips 10 are connected in the sliding grooves 9 in a sliding manner, and the positions of the sliding strips 10 contacting with the sliding grooves 9 have certain friction resistance, so when the sliding strips 10 slide in the sliding grooves 9, the sliding strips can slide only when a worker moves the main box door 11 with certain force, in fig. 2, the surface of the sliding strips 10 facing the outside of the sliding grooves 9 is fixedly provided with the main box door 11 for sealing the main box opening 5, in fig. 4, the surface of the main box door 11 facing the inside of the switch box body 2 is symmetrically provided with vertical racks 12, an auxiliary gear 13 is fixedly arranged on the support shaft 6 and positioned at the inner side of the main gear 7, the auxiliary gear 13 is meshed and connected with the corresponding vertical rack 12, in fig. 3, the surface middle position of the main, the main box door 11 is far away from the surface of the switch main body 1, the upper side of the auxiliary box opening 14 is hinged with an auxiliary box door 15, the upper surface of the switch box body 2 is provided with an insulating plate 16, and the insulating plate 16 is provided with a plurality of lightning rods 17.

Specifically, a plurality of heat radiation ventilation holes 18 are formed through the surface of the sub-tank door 15, and have a function of radiating heat from the switch tank 2.

Specifically, the main door 11 is away from the surface of the switch main body 1 and is provided with a push handle 19 at the upper side of the auxiliary box opening 14, so that the main door 11 can be conveniently pushed to move.

Specifically, the lower surface of the switch box body 2 is symmetrically provided with the stop irons 20 for stopping the downward movement of the main box door 11, so as to prevent the slide bar 10 from sliding out of the slide groove 9.

Specifically, be equipped with current alarm 21 on one side wall of switch box 2, the workman when the maintenance, can know whether have the electricity on the switch box 2, plays the guard action to the workman.

Specifically, the number of the lightning rods 17 is three.

The working principle is as follows: in the utility model, the switch main body 1 is protected by the matching of the switch box body 2, the main box door 11 and the auxiliary box door 15, the switch main body 1 is arranged in the switch box body 2 to avoid the switch main body 1 from being damaged by the outside, the sliding rail 3 and the sliding table 4 are arranged in a matching way, when the switch main body 1 needs to be maintained, the sliding table 4 can slide out of the switch box body 2, and the switch main body 1 can also slide out of the switch box body 2 to facilitate the maintenance of workers, the main box door 11 can slide up and down to open the main box opening 5, the main gear 7, the transverse rack 8, the auxiliary gear 13 and the vertical rack 12 are arranged in a matching way, because the main gear 7 is meshed with the transverse rack 8, the auxiliary gear 13 is meshed with the vertical rack 12, the main gear 7 is connected with the auxiliary gear 13 through the supporting shaft 6, when the main box door 11 is pushed, the vertical rack 12 will drive the pinion 13 to rotate, the pinion 13 will drive the supporting shaft 6 to rotate, the supporting shaft 6 will drive the main gear 7 to rotate, the main gear 7 will drive the transverse rack 8 to move, thereby making the sliding table 4 slide on the sliding rail 3, the switch main body 1 will move along with the movement of the sliding table 4 at the same time, through the matching arrangement of the auxiliary box opening 14 and the auxiliary box door 15, after the auxiliary box door 15 is turned over, the sliding table 4 can be prevented from colliding on the auxiliary box door 15 when sliding out, through the matching arrangement of the insulating plate 16 and the lightning rod 17, the lightning can be prevented from hurting the switch main body 1, through the current alarm 21, the worker can know whether electricity exists on the switch box body 2 when maintaining, the protection effect is achieved for the worker, the movable main box door 11 is convenient through the push handle 19, the sliding bar 10 is prevented from sliding out of the sliding chute 9 through the stop iron 20, the utility model has the protection effect for the, prevent that the striking of object or artificial collision in the wind from causing the damage to the switch main part, simultaneously, the workman is also very convenient in the maintenance process, and switch main part 1 will roll off outside switch box 2 when main case door 11 moves upwards, has made things convenient for workman's maintenance.

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 protection type high pressure single-stage isolator, includes switch main part (1) and switch box (2), its characterized in that: the inside lower surface symmetry of switch box (2) is equipped with slide rail (3), sliding connection has slip table (4) on slide rail (3), switch main part (1) fixed mounting is on slip table (4), the lateral wall that switch box (2) are located slip table (4) roll-off direction is equipped with main tank mouth (5), the inside wall of switch box (2) just is located the upper portion of slip table (4) and is rotated through the bearing symmetry and is connected with back shaft (6), fixed mounting has master gear (7) on back shaft (6), the upper surface of slip table (4) just is located the lower part symmetry of master gear (7) and is equipped with horizontal rack (8), master gear (7) and relative horizontal rack (8) meshing are connected, the marginal position symmetry that switch box (2) are located main tank mouth (5) is equipped with spout (9), sliding connection has draw runner (10) in spout (9), the utility model discloses a switch cabinet door, including main door, auxiliary door, slide bar (10), main door, back shaft (6), auxiliary door (15), the upper surface of switch cabinet (2) is equipped with vertical rack (12) towards outside fixed mounting of spout (9) has main door (11) of sealing main door mouth (5) on the surface of outside fixed mounting, main door (11) is equipped with vertical rack (12) towards switch cabinet (2) inside on the surface, the inboard fixed mounting that just is located main gear (7) on back shaft (6) has auxiliary gear (13), auxiliary gear (13) are connected with corresponding vertical rack (12) meshing, the surperficial intermediate position of main door (11) is equipped with auxiliary door (14) that make switch main part (1) roll-off, the surface of keeping away from switch main part (1) of main door (11) and the upside that is located auxiliary door (14) articulate has auxiliary door (15), the upper surface of switch cabinet (2) is.

2. The protected high-voltage single-stage isolating switch according to claim 1, wherein: and a plurality of heat dissipation ventilation holes (18) are formed in the surface of the auxiliary box door (15) in a penetrating manner.

3. The protected high-voltage single-stage isolating switch according to claim 1, wherein: the main box door (11) is far away from the surface of the switch main body (1) and is provided with a push handle (19) at the upper side of the auxiliary box opening (14).

4. The protected high-voltage single-stage isolating switch according to claim 1, wherein: and stop irons (20) for stopping the downward movement of the main box door (11) are symmetrically arranged on the lower surface of the switch box body (2).

5. The protected high-voltage single-stage isolating switch according to claim 1, wherein: and a current alarm (21) is arranged on one side wall of the switch box body (2).

6. The protected high-voltage single-stage isolating switch according to claim 1, wherein: the number of the lightning rods (17) is three.

Images