CN218274400U - Transmission device of isolating switch - Google Patents

Abstract

The utility model provides a isolator's transmission, the power distribution box comprises a box body, the insulator cylinder that leading-out terminal was installed at three top is evenly fixed with to the box upper surface, the insulator cylinder surface rotates through the connecting piece and is connected with the isolation switch, the one end that the isolation switch is close to the connecting piece rotates and is connected with the isolation pull rod, keep apart pull rod lower extreme and transmission shaft fixed connection, the transmission shaft rotates and installs in the support, the support all with box fixed connection for the both ends of U type structure and support, one side that the box was kept away from to the support upper surface evenly is fixed with three isolation pillar, keep apart the pillar upper end through mounting fixedly connected with incoming wire terminal, incoming wire terminal upper surface fixed connection has the current conducting plate with isolation switch looks joint, the utility model discloses following beneficial effect has: the quick-wear parts in the isolating switch transmission mechanism are independently replaced, and the cost is reduced.

Description

Transmission device of isolating switch

Technical Field

The utility model relates to a isolator's transmission belongs to electric field.

Background

The transmission part of isolator's isolation switch is formed by a plurality of spare parts equipment each other, through making the transmission shaft rotate, the transmission shaft rotates and drives isolation switch through keeping apart the pull rod and rotates, make isolation switch and incoming wire terminal looks joint or alternate segregation, can produce electric arc at the joint in-process because of isolation switch and incoming wire terminal, it can make incoming wire terminal and isolation switch contact site temperature rise to produce the electric arc in-process, thereby accelerate the oxidation rate of incoming wire terminal and isolation switch contact site, the incoming wire terminal of oxidation certain degree needs to be changed, the bolt is the commonly used fixed mode that incoming wire terminal and isolation pillar are connected, the bolt can appear the condition that the later stage is difficult to twist because of the long-term corrosion that wets, general rate need carry out whole change to isolator drive mechanism, increase cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a isolator's transmission to solve the problem that proposes in the above-mentioned background art, the utility model discloses make the vulnerable part among the isolator drive mechanism change reduce cost alone.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an isolator's transmission, includes the box, the box upper surface is evenly fixed with the insulating cylinder that leading-out terminal was installed at three top, the insulating cylinder surface rotates through the connecting piece and is connected with isolation switch, the one end that isolation switch is close to the connecting piece is rotated and is connected with the isolation pull rod, keep apart pull rod lower extreme and transmission shaft fixed connection, the transmission shaft rotates and installs in the support, the support is the both ends of U type structure and support all with box fixed connection, one side that the box was kept away from to the support upper surface evenly is fixed with three isolation pillar, keep apart the pillar upper end through mounting fixedly connected with incoming wire terminal, incoming wire terminal upper surface fixedly connected with keeps apart the current conducting plate of switch looks joint.

Furthermore, the mounting includes the bolt, keep apart pillar upper end surface symmetry and seted up two and go up the breach, keep apart pillar upper end surface position department that is in last breach downside and seted up the lower breach that aligns with last breach, go up the breach internal surface and seted up and the communicating round hole of breach down, be equipped with the nut in the breach down, the bolt extends to in the breach and with nut threaded connection down after passing inlet wire terminal, round hole in proper order.

Further, the connecting piece includes the insulator spindle, insulator spindle surface fixedly connected with insulator spindle, the insulator spindle is kept away from one pot head of insulator spindle and is equipped with the barrel casing, the equal fixedly connected with engaging lug in both ends of barrel casing, two the engaging lug passes through connecting screw fixed connection, two there is the clearance between the engaging lug, one side fixedly connected with journal stirrup that the engaging lug was kept away from to the barrel casing surface, the journal stirrup rotates with the isolation switch to be connected.

Further, the both ends of box are equal fixedly connected with end plate, end plate lower extreme fixedly connected with and the end plate perpendicular connecting plate of arranging, two fixed orificess have been seted up to connecting plate upper surface symmetry.

Furthermore, one end of the transmission shaft extends to the outer side of the support, one end, located on the outer side of the support, of the transmission shaft is fixedly connected with a force arm used for rotating the transmission shaft, and the force arm is perpendicular to the transmission shaft.

Further, be equipped with spacing portion between arm of force and the support, spacing portion cover is established on the transmission shaft and with transmission shaft fixed connection, fixed connection is used for restricting transmission shaft rotation range's first bulge and second bulge on the spacing portion outer peripheral face, be equipped with the stop part between first bulge and the second bulge, stop part and support fixed connection.

The utility model has the advantages that:

1. the bolt for connecting the incoming line terminal and the isolating support sequentially penetrates through the incoming line terminal and the round hole in the upper notch and then is in threaded connection with the nut, the nut is located in the lower notch of the isolating support at the moment, the position, in which the bolt is located in the upper notch, is in an exposed state, when the bolt cannot be separated from the nut due to reasons such as corrosion and the like, the saw blade is inserted into the upper notch and saws off the bolt, the incoming line terminal is smoothly separated from the isolating support, the easily damaged incoming line terminal in the isolating switch transmission mechanism is independently replaced, and the cost is reduced.

2. After the sleeve is sleeved on the insulating rod, the sleeve is connected with the two connecting lugs through the connecting screw, so that the sleeve is fixed on the insulating rod, a gap exists between the two connecting lugs, when the connecting screw cannot be screwed due to corrosion, a saw blade is inserted into the gap between the two connecting lugs, and the connecting screw is sawn off, and the isolation switch and the insulating rod are quickly separated.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a transmission device of an isolating switch according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 2 at B;

fig. 4 is a perspective view of a limiting portion of a transmission device of an isolating switch according to the present invention;

in the figure: 1-box body, 2-insulating cylinder, 3-end plate, 4-connecting plate, 5-limiting part, 6-force arm, 7-transmission shaft, 8-bracket, 9-blocking part, 10-isolation pull rod, 11-isolation support, 12-incoming wire terminal, 13-conductive plate, 14-isolation knife switch, 15-bolt, 16-upper notch, 17-nut, 18-lower notch, 19-support lug, 20-insulating rod, 21-connecting lug, 22-connecting screw, 23-cylinder sleeve, 24-first bulge and 25-second bulge.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an isolator's transmission, includes box 1, at the equal fixed connection end plate 3 in the both ends of box 1, 3 lower extreme fixedly connected with of end plate this moment and the perpendicular connecting plate 4 and the carrier surface laminating of arranging of end plate 3, then all ann inserts the screw and make screw and carrier threaded connection in two fixed orificess that 4 upper surface symmetries of connecting plate were seted up, accomplish the fixed of 1 position of box.

Referring to fig. 1 and 3, three insulating cylinders 2 are uniformly fixed on the upper surface of a box body 1, then, wire outgoing terminals are installed at the upper ends of the insulating cylinders 2, so that the wire outgoing terminals are installed, an insulating rod 20 is fixedly connected to the outer surface of each insulating cylinder 2, a sleeve 23 is sleeved at one end, away from the insulating cylinder 2, of each insulating rod 20, connecting lugs 21 are fixedly connected to the two ends of each sleeve 23, the sleeve 23 is sleeved on the insulating rod 20, and then, the connecting lugs 22 are connected with the two connecting lugs 21, so that the sleeve 23 is fixed on the insulating rod 20, the lugs 19 fixedly connected to one side, away from the connecting lugs 21, of the outer surface of the sleeve 23 are rotatably connected with the isolation switch 14, so that the isolation switch 14 is rotatably connected with the insulating rod 20, and because a gap exists between the two connecting lugs 21, when the connecting screw 22 is corroded and cannot be twisted, a saw blade is inserted into the gap between the two connecting lugs 21 and the connecting screw 22 is sawed, and the isolation switch 14 is quickly separated from the insulating rod 20.

Referring to fig. 1 and 4, an end of the isolation switch 14 close to the insulating rod 20 is rotatably connected with an isolation pull rod 10, a lower end of the isolation pull rod 10 is fixedly connected with a transmission shaft 7, the transmission shaft 7 is rotatably installed in a bracket 8 of a U-shaped structure, wherein both ends of the bracket 8 are fixedly connected with the box body 1, three isolation pillars 11 are uniformly fixed on one side of the upper surface of the bracket 8 far from the box body 1, an incoming terminal 12 is fixedly connected with the upper end of the isolation pillar 11 through a bolt 15, the transmission shaft 7 is rotated to be located at a moment arm 6 which is arranged at one end of the outer side of the bracket 8 and perpendicular to the transmission shaft 7, so that the moment arm 6 drives the isolation pull rod 10 to move up or down through the transmission shaft 7, a conductive plate 13 fixedly connected with the upper surface of the incoming terminal 12 is clamped or separated from the isolation switch 14, when the transmission shaft 7 is rotated by using the moment arm 6, because the limiting portion 5 is sleeved at a section of the transmission shaft 7 between the moment arm 6 and the bracket 8 and fixedly connected with the transmission shaft 7, the limiting portion 5 rotates along with the transmission shaft 7, at this moment, because the first protruding portion 24 or the second protruding portion 25 is located between the second protruding portion 9 and the second protruding portion 9, the protruding portion 24 is used for limiting the range of the first protruding portion 9, and the second protruding portion 9, and the range of the second protruding portion 9, thereby limiting portion is used for limiting range of the rotation of the bracket 8.

Referring to fig. 1 and 2, two upper notches 16 are symmetrically formed in the outer surface of the upper end of the isolation support 11, a lower notch 18 aligned with the upper notch 16 is formed in the position, on the outer surface of the upper end of the isolation support 11, below the upper notch 16, a circular hole communicated with the lower notch 18 is formed in the inner surface of the upper notch 16, a nut 17 is arranged in the lower notch 18, a bolt 15 connected with the wire inlet terminal 12 and the isolation support 11 sequentially penetrates through the circular holes in the wire inlet terminal 12 and the upper notch 16 and then is in threaded connection with the nut 17, at the moment, the nut 17 is located in the lower notch 18 of the isolation support 11, the position, on the upper notch 16, of the bolt 15 is exposed, when the bolt 15 cannot be separated from the nut 17 due to corrosion and the like, a saw blade is inserted into the upper notch 16, the wire inlet terminal 12 is smoothly separated from the isolation support 11, the wire inlet terminal 12 in the isolation switch transmission mechanism is separately replaced easily, and cost is reduced.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Claims (6)

1. The utility model provides a isolator's transmission, includes box (1), its characterized in that: box (1) upper surface evenly is fixed with insulating cylinder (2) that the terminal outgoing lines was installed at three top, insulating cylinder (2) surface rotates through the connecting piece and is connected with isolation switch (14), it rotates to be connected with isolation pull rod (10) to keep apart the one end that switch (14) are close to the connecting piece, keep apart pull rod (10) lower extreme and transmission shaft (7) fixed connection, transmission shaft (7) rotate and install in support (8), support (8) are U type structure and support (8) both ends all with box (1) fixed connection, one side that box (1) was kept away from to support (8) upper surface evenly is fixed with three isolation pillar (11), keep apart pillar (11) upper end through mounting fixedly connected with incoming line terminal (12), incoming line terminal (12) upper surface fixedly connected with keep apart conductive plate (13) of switch (14) looks joint.

2. The transmission of a disconnector according to claim 1, characterized in that: the mounting includes bolt (15), keep apart pillar (11) upper end surface symmetry and seted up two and go up breach (16), keep apart pillar (11) upper end surface and be in position department of last breach (16) downside and offer lower breach (18) with last breach (16) alignment, go up breach (16) internal surface and seted up and breach (18) communicating round hole down, be equipped with nut (17) down in breach (18), bolt (15) extend to down in breach (18) and with nut (17) threaded connection after passing inlet wire terminal (12), round hole in proper order.

3. The transmission of a disconnector according to claim 1, characterized in that: the connecting piece includes insulator spindle (20), insulator spindle (2) surface fixedly connected with insulator spindle (20), the pot head that insulator spindle (2) was kept away from in insulator spindle (20) is equipped with barrel casing (23), the equal fixedly connected with engaging lug (21) in both ends of barrel casing (23), two engaging lug (21) are through connecting screw (22) fixed connection, two there is the clearance between engaging lug (21), one side fixedly connected with journal stirrup (19) of engaging lug (21) are kept away from to barrel casing (23) surface, journal stirrup (19) rotate with isolation switch (14) and are connected.

4. The transmission of the isolating switch according to claim 1, characterized in that: the equal fixedly connected with end plate (3) in both ends of box (1), end plate (3) lower extreme fixedly connected with is with connecting plate (4) that end plate (3) were arranged perpendicularly, two fixed orificess have been seted up to connecting plate (4) upper surface symmetry.

5. The transmission of the isolating switch according to claim 1, characterized in that: one end of the transmission shaft (7) extends to the outer side of the support (8), one end, located on the outer side of the support (8), of the transmission shaft (7) is fixedly connected with a force arm (6) used for rotating the transmission shaft (7), and the force arm (6) is perpendicular to the transmission shaft (7).

6. The transmission of the isolating switch according to claim 5, characterized in that: be equipped with spacing portion (5) between arm of force (6) and support (8), spacing portion (5) cover establish on transmission shaft (7) and with transmission shaft (7) fixed connection, fixed connection is used for restricting first bulge (24) and second bulge (25) of transmission shaft (7) rotation range on spacing portion (5) outer peripheral face, be equipped with between first bulge (24) and second bulge (25) stop block portion (9), stop block portion (9) and support (8) fixed connection.

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