CN220189490U - Vertical opening type isolating switch - Google Patents

Abstract

The utility model discloses a vertical opening type isolating switch, which has the technical scheme that the vertical opening type isolating switch comprises the following main points: the electric power transmission device comprises a bottom frame, wherein two insulators are fixedly arranged on the top surface of the bottom frame, a main conductive base is fixedly arranged on the top surface of one of the two insulators, and a conductive arm is movably sleeved in the main conductive base; the transmission assembly is arranged on the bottom surface of the conductive arm and used for changing the position of the conductive arm, and the transmission assembly is arranged to change the position of the conductive arm effectively, so that the conductive arm is separated from or enters into the static contact base, the opening and closing operation of the conductive arm is realized, the transmission assembly cannot be exposed outdoors and is not easily influenced by external sundries, the phenomenon of blockage in the transmission process is avoided, the transmission is not timely, the conductive arm cannot timely get rid of the inside of the static contact base, the phenomenon that the conductive arm is overheated and melted by electric arcs is generated, and potential safety hazards are reduced.

Description

Vertical opening type isolating switch

Technical Field

The utility model relates to the technical field of isolating switches, in particular to a vertical opening type isolating switch.

Background

The vertical opening type isolating switch is a switching device which is mainly used for isolating a power supply, switching operation and connecting and disconnecting a small current circuit and has no arc extinguishing function, and an insulating distance and an obvious disconnection mark which meet the specified requirements are arranged between contacts; when the switch is in the closed position, the switch equipment which can bear the current under the normal loop condition and the current under the abnormal condition (such as short circuit) in the specified time is generally used as a high-voltage isolating switch, namely, the isolating switch with the rated voltage of more than 1kV, has simple working principle and structure, but has large use amount and high requirement on working reliability, has large influence on the design, establishment and safe operation of a substation and a power plant, and has the main characteristics of no arc extinguishing capability and can only switch and switch circuits under the condition of no load current.

For example, chinese patent with publication number CN216353925U proposes a vertical opening type isolating switch, the assembly includes a chassis, two insulators are fixedly mounted on the chassis, a main conductive base and a static contact base are respectively and fixedly mounted on the two insulators, the main conductive base and the static contact base are both in a U-shaped structure, a conductive arm is movably hinged in an opening of the main conductive base, a lifting mechanism is slidably mounted on the chassis, a top rod is fixedly mounted on the upper end of the lifting mechanism, one end of the top rod is movably hinged with the middle of the conductive arm, the lifting mechanism is used for controlling lifting of the top rod, and the lifting of the top rod is used for controlling the conductive arm to perform opening and closing actions in the vertical direction with the static contact base through lifting of the top rod. The utility model avoids the gear structure, the screw rod motor in the lifting mechanism is not exposed to the outside and can not be corroded by rainwater, thereby prolonging the service life of the equipment, simultaneously the noise is smaller when the mechanism operates, and the lifting mechanism can conveniently control the conducting arm to conduct opening or closing actions on the static contact base, so that the operation is simple.

The above solution still has the following drawbacks: the most outdoor use environment of vertical open isolator, when using in the open air, add debris easily and enter into the inside of spout mouth, lead to the phenomenon that the switch-on is unsmooth to the removal to spacing pulley easily causing blocking influence, very easily appear the phenomenon that the electric arc exists for a long time to lead to the conducting arm to melt, make equipment damage.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the vertical opening type isolating switch, which solves the problems that when the vertical opening type isolating switch is used outdoors, external sundries easily enter the inside of a chute opening, the movement of a limiting pulley is easily blocked, the phenomenon of unsmooth opening is caused, the phenomenon of long-time existence of an arc is extremely easy to occur, and a conductive arm is melted, so that equipment is damaged.

The technical aim of the utility model is realized by the following technical scheme:

a vertical open disconnector comprising: the electric power transmission device comprises a bottom frame, wherein two insulators are fixedly arranged on the top surface of the bottom frame, a main conductive base is fixedly arranged on the top surface of one of the two insulators, a conductive arm is movably sleeved in the main conductive base, a static contact base is fixedly arranged on the top surface of the other one of the two insulators, and one end of the conductive arm is movably sleeved in the static contact base; the transmission assembly is arranged on the bottom surface of the conductive arm and used for changing the position of the conductive arm.

Through adopting above-mentioned technical scheme, through setting up drive assembly, can effectually change the position of conducting arm to make it break away from or enter into the inside of static touch base, realize opening and shutting floodgate operation to the conducting arm, and drive assembly can not expose in the open air, be difficult for being influenced by external debris, avoid appearing the phenomenon of jam in the transmission, lead to the transmission untimely, make the conducting arm unable in time get rid of the inside of static touch base, and then produce the electric arc and make the overheated phenomenon of melting of conducting arm, reduce the potential safety hazard.

Preferably, the transmission assembly includes: the installation seat, the installation seat sets up the inside of chassis, the top surface fixed mounting of installation seat has a section of thick bamboo, the inside movable sleeve of installation seat is equipped with two slide bars, the both ends of slide bar with the inner wall both sides fixed mounting of chassis, the bottom surface fixed mounting of conducting arm has the connecting seat, the inside movable sleeve of connecting seat is equipped with the dwang, the inside fixed cover of section of thick bamboo is equipped with driving motor.

Through adopting above-mentioned technical scheme, through setting up the mount pad, when the mount pad needs to carry out horizontal migration, the mount pad can be carried the mount pad and slide along the outer wall of slide bar, can make it remove when providing the support for the mount pad, through setting up the connecting seat, can be connected dwang and conductive arm, when the angle between conductive arm and the leading conductive base changes, the dwang can rotate along the outer wall of connecting seat, makes the dwang remain vertical state throughout.

Preferably, the transmission assembly further comprises: the sliding cylinder is movably sleeved on the outer wall of the mounting cylinder, the top end of the sliding cylinder is fixedly mounted with the bottom end of the rotating rod, one end of the rotating shaft of the driving motor is fixedly provided with a threaded rod, the inner part of the sliding cylinder is fixedly provided with a threaded cylinder, the inner wall of the threaded cylinder is in threaded connection with the outer wall of the threaded rod, rubber telescopic sleeves are fixedly mounted on two sides of the mounting seat, and the other end of each rubber telescopic sleeve is fixedly mounted on one side of the underframe.

Through adopting above-mentioned technical scheme, through setting up the slip section of thick bamboo, can be connected dwang and installation section of thick bamboo, protect the inside of installation section of thick bamboo simultaneously, prevent that external debris from entering into the inside of installation section of thick bamboo from causing the influence to driving motor's operation, improve transmission stability.

Preferably, a limiting block is fixedly arranged at one end of the threaded rod.

Through adopting above-mentioned technical scheme, through setting up the stopper, can inject the range of movement of screw thread section of thick bamboo, avoid it to drop from the outer wall of threaded rod, improve operating stability.

Preferably, arc-shaped contact pieces are fixedly arranged on two sides of the inner portion of the static contact base.

Through adopting above-mentioned technical scheme, through setting up the arc contact, when the inside of conducting arm fall into the static base, the outer wall and the static base laminating of conducting arm form the combined floodgate, and the arc contact has elasticity, can be better with the conducting arm contact electrically conduct.

Preferably, the top surface of the conductive arm is fixedly provided with a dustproof block.

Through adopting above-mentioned technical scheme, through setting up dustproof piece, can prevent in the clearance that external debris falls into between conductive arm and the static touch base in the closing process, cause the influence to electrically conductive, play the guard action.

In summary, the utility model has the following advantages:

through setting up drive assembly, can effectually change the position of conducting arm to make it break away from or enter into the inside of static touch base, realize opening and shutting floodgate operation to the conducting arm, and drive assembly can not expose in the open air, be difficult for by external debris influence, avoid appearing the phenomenon of jam in the transmission process, lead to the transmission untimely, make the conducting arm unable in time break away from the inside of static touch base, and then produce the electric arc and make the overheated phenomenon of melting of conducting arm, reduce the potential safety hazard.

Through setting up the stopper, can prescribe a limit to the range of movement of screw thread section of thick bamboo, avoid it to drop from the outer wall of threaded rod, improve operating stability, through setting up the arc contact, when the conducting arm falls into the inside of static touch base, the outer wall of conducting arm is laminated with static touch base, form the combined floodgate, the arc contact has elasticity, can be better with conducting arm contact electrically conduct, through setting up dustproof piece, can prevent in the clearance that external debris falls into between conducting arm and the static touch base at the combined floodgate in-process, cause the influence to electrically conductive, play the guard action.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a split construction of the present utility model;

FIG. 3 is a schematic view of the structure of the screw barrel of the present utility model;

fig. 4 is a schematic view of the structure of the slide bar of the present utility model.

Reference numerals: 1. a chassis; 2. an insulator; 3. a main conductive base; 4. a conductive arm; 5. a stationary contact base; 6. a mounting base; 7. a mounting cylinder; 8. a slide bar; 9. a rotating lever; 10. a connecting seat; 11. a sliding cylinder; 12. a driving motor; 13. a threaded rod; 14. a thread cylinder; 15. a rubber telescopic sleeve; 16. a limiting block; 18. arc-shaped contact pieces; 19. and a dust-proof block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, a vertical opening type isolating switch comprises a chassis 1, two insulators 2 are fixedly arranged on the top surface of the chassis 1, a main conductive base 3 is fixedly arranged on the top surface of one of the two insulators 2, a conductive arm 4 is movably sleeved in the main conductive base 3, a static contact base 5 is fixedly arranged on the top surface of the other one of the two insulators 2, one end of the conductive arm 4 is movably sleeved in the static contact base 5, a transmission assembly is arranged on the bottom surface of the conductive arm 4 and used for changing the position of the conductive arm 4, the transmission assembly comprises a mounting seat 6, the mounting seat 6 is arranged in the chassis 1, a mounting cylinder 7 is fixedly arranged on the top surface of the mounting seat 6, two sliding rods 8 are movably sleeved in the mounting seat 6, two ends of the sliding rods 8 are fixedly arranged on two sides of the inner wall of the chassis 1, the bottom surface of the conductive arm 4 is fixedly provided with a connecting seat 10, a rotating rod 9 is movably sleeved in the connecting seat 10, a driving motor 12 is fixedly sleeved in the mounting cylinder 7, the driving motor 12 is of a conventional structure and is not described in detail herein, when the mounting cylinder 7 needs to horizontally move, the mounting seat 6 can slide along the outer wall of the sliding rod 8 with the mounting cylinder 7, the mounting cylinder 7 can be supported and simultaneously can be moved, the rotating rod 9 can be connected with the conductive arm 4 by arranging the connecting seat 10, when the angle between the conductive arm 4 and the main conductive base 3 is changed, the rotating rod 9 can rotate along the outer wall of the connecting seat 10, the rotating rod 9 always keeps a vertical state, the transmission assembly further comprises a sliding cylinder 11, the sliding cylinder 11 is movably sleeved on the outer wall of the mounting cylinder 7, the top of a sliding cylinder 11 and the bottom fixed mounting of a rotating rod 9, the threaded rod 13 is fixedly mounted at one end of the rotating shaft of a driving motor 12, a threaded cylinder 14 is fixedly mounted inside the sliding cylinder 11, the inner wall of the threaded cylinder 14 is in threaded connection with the outer wall of the threaded rod 13, rubber telescopic sleeves 15 are fixedly mounted on two sides of a mounting seat 6, the rubber telescopic sleeves 15 are of existing structures and are not repeated, the other ends of the rubber telescopic sleeves 15 are fixedly mounted on one side of a bottom frame 1, the rotating rod 9 and the mounting cylinder 7 can be connected through the sliding cylinder 11, meanwhile, the inside of the mounting cylinder 7 is protected, external sundries are prevented from entering the inside of the mounting cylinder 7 to affect the operation of the driving motor 12, the transmission stability is improved, the threaded cylinder 14 is driven to rotate when the driving motor 12 is started, the threaded cylinder 14 is driven to push the sliding cylinder 11 to vertically move, the conductive arms 4 are lifted or fall, the external sundries can be prevented from being attached to the outer wall of the sliding cylinder 11 or staying on two sides of the mounting seat 6 through the rubber telescopic sleeves 15, and the influence on the movement of the mounting seat 6 is prevented.

Referring to fig. 1, fig. 2 and fig. 3, the one end fixed mounting of threaded rod 13 has stopper 16, through setting up stopper 16, can prescribe a limit to the range of movement of screw thread section of thick bamboo 14, avoid it to drop from the outer wall of threaded rod 13, improve operating stability, the inside both sides of static touch base 5 are all fixed mounting has arc contact 18, through setting up arc contact 18, when the inside of static touch base 5 is fallen into to conducting arm 4, the outer wall and the laminating of static touch base 5 of conducting arm 4 form the combined floodgate, arc contact 18 has elasticity, can be better with conducting arm 4 contact electrically conductive, the top surface fixed mounting of conducting arm 4 has dustproof piece 19, through setting up dustproof piece 19, can prevent that external debris from falling into in the clearance between conducting arm 4 and the static touch base 5 in the combined floodgate in-process, cause the influence to electrically conductive, play guard action.

Working principle: referring to fig. 1 to 4, in use, by providing the mounting base 6, when the mounting cylinder 7 needs to horizontally move, the mounting base 6 can slide along the outer wall of the sliding rod 8 with the mounting cylinder 7, so as to provide support for the mounting cylinder 7 and simultaneously enable the mounting cylinder 7 to move, by providing the connecting base 10, the rotating rod 9 can be connected with the conductive arm 4, when the angle between the conductive arm 4 and the main conductive base 3 changes, the rotating rod 9 can rotate along the outer wall of the connecting base 10, so that the rotating rod 9 always keeps a vertical state, by providing the sliding cylinder 11, the rotating rod 9 can be connected with the mounting cylinder 7, meanwhile, the inside of the mounting cylinder 7 is protected, the outside sundries are prevented from entering the inside of the mounting cylinder 7 to affect the operation of the driving motor 12, the transmission stability is improved, by providing the threaded cylinder 14, when the driving motor 12 is started, the threaded rod 13 is driven to rotate, so that the threaded cylinder 14 pushes the sliding cylinder 11 to vertically move, the conductive arm 4 is lifted or falls, the outer wall of the sliding cylinder 11 can be protected by the rubber telescopic sleeve 15, external sundries are prevented from adhering to the outer wall of the sliding cylinder 11 or staying at two sides of the mounting seat 6, the movement of the mounting seat 6 is influenced, the movement range of the threaded cylinder 14 can be limited by the limiting block 16, the falling of the threaded rod 13 from the outer wall of the threaded rod 13 is avoided, the operation stability is improved, the arc-shaped contact piece 18 is arranged, when the conductive arm 4 falls into the static contact base 5, the outer wall of the conductive arm 4 is attached to the static contact base 5 to form a closing, the arc-shaped contact piece 18 has elasticity, can be better contacted with the conductive arm 4 to conduct electricity by the arrangement of the dustproof block 19, can prevent that external debris from falling into the clearance between conducting arm 4 and the static contact base 5 in the closing process, lead to the fact the influence to the electric conduction, play the guard action.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A vertical open disconnector, comprising:

the novel electric power transmission device comprises an underframe (1), wherein two insulators (2) are fixedly arranged on the top surface of the underframe (1), a main conductive base (3) is fixedly arranged on the top surface of one insulator (2) of the two insulators (2), a conductive arm (4) is movably sleeved in the main conductive base (3), a static contact base (5) is fixedly arranged on the top surface of the other insulator (2) of the two insulators (2), and one end of the conductive arm (4) is movably sleeved in the static contact base (5);

the transmission assembly is arranged on the bottom surface of the conductive arm (4) and used for changing the position of the conductive arm (4), the transmission assembly comprises a mounting seat (6), the mounting seat (6) is arranged in the bottom frame (1), a mounting cylinder (7) is fixedly arranged on the top surface of the mounting seat (6), two sliding rods (8) are fixedly sleeved on the inner movable sleeve of the mounting seat (6), connecting seats (10) are fixedly arranged on the two ends of the sliding rods (8) and on two sides of the inner wall of the bottom frame (1), rotating rods (9) are fixedly arranged on the bottom surface of the conductive arm (4), driving motors (12) are fixedly sleeved on the inner movable sleeve of the connecting seats (10), driving motors (12) are fixedly sleeved on the inner fixed sleeve of the mounting cylinder (7), sliding cylinders (11) are movably sleeved on the outer wall of the mounting cylinder (7), the top ends of the sliding cylinders (11) are fixedly arranged on the bottom ends of the rotating rods (9), one ends of the driving motors (12) are fixedly arranged on one ends of the rotating shafts (13), the inner shafts (14) are fixedly arranged on the two sides of the inner threaded rods (13), the other end of the rubber telescopic sleeve (15) is fixedly arranged on one side of the underframe (1).

2. A vertical opening disconnector according to claim 1, characterized in that one end of the threaded rod (13) is fixedly provided with a stop block (16).

3. A vertical opening disconnector according to claim 1, characterized in that the inner sides of the stationary contact base (5) are fixedly provided with arc-shaped contacts (18).

4. A vertical opening disconnector according to claim 1, characterized in that the top surface of the conductive arm (4) is fixedly provided with a dust-proof block (19).