CN210628134U - Interlocking device for displaying working state of high-voltage cabinet - Google Patents

Abstract

The utility model relates to an interlock for showing high-voltage board operating condition, including the cam, with the isolator device that the cam is connected to and be located the aggregate unit of cam below, aggregate unit including be located the cam below and with the transfer line of cam contact to and set up the fenestrate limiting plate of stairstepping, wear to be equipped with the inserted bar on the transfer line, the limiting plate with be located the limiting plate below and follow the stairstepping and perforate the bolt connection of arranging the direction slip on the cabinet door of ladder, be equipped with the lug of axis perpendicular to cabinet door on the periphery of bolt, be equipped with on the lug along the piece that turns to of perpendicular to lug axis direction centre gripping lug, turn to the piece and be connected with the marker post that is located the cabinet door outside through first pivot. The utility model discloses a limiting plate and the cooperation of bolt, restriction cam rotate to restriction isolator's closure, the rotation that comes restriction isolator with the last sign pole of realization high-voltage board is closed, eliminates the potential safety hazard.

Description

Interlocking device for displaying working state of high-voltage cabinet

Technical Field

The utility model relates to the field of machinary, especially, relate to interlock's technical field, specifically indicate an interlock for showing high-voltage board operating condition.

Background

Extensive application of high-voltage board is to each circuit field such as circuit transmission, in order to guarantee the normal transmission of high-voltage electricity, need overhaul the high-voltage board and maintain, traditional maintenance, be located on the cabinet door marker post point to the position removes the maintenance sign, because the pivot on the isolator device is being connected to the cam, the pivot drives isolator and rotates, realize opening and closing of circuit, consequently, rotate the cam, the cam rotates and drives pivot and isolator and rotate, thereby realize isolator's opening, make the internal circuit disconnection of high-voltage board, then overhaul again, when maintainer signboard removes not in place, or when forgetting the removal, because of the sign is unclear, can cause staff's potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide an interlock for showing high-voltage board operating condition, the rotation through the last sign pole of high-voltage board restricts isolator's closure, eliminates the potential safety hazard.

The utility model relates to an interlocking device for displaying the working state of a high-voltage cabinet, which comprises a cam which penetrates through and is connected with a cabinet door in a shaft joint way and an isolating switch device which is connected with the cam, and a linkage device positioned below the cam, the linkage device including a transmission rod positioned below the cam and in contact with the cam, and a limiting plate which is arranged between the cabinet door and the transmission rod and is provided with a step-shaped perforation, wherein the transmission rod is provided with a first long hole which sequentially penetrates through the cabinet door and an inserted rod which sequentially penetrates through the step-shaped perforation of the limiting plate, the limiting plate is connected with a bolt which is positioned below the limiting plate and is connected with the cabinet door in a sliding way along the stepped perforation stepped arrangement direction, the periphery of the bolt is provided with a convex block of which the axis is vertical to the cabinet door, the convex block is provided with a steering block for clamping the convex block along the direction vertical to the axis of the convex block, and the steering block is connected with an identification rod positioned on the outer side of the cabinet door through a first rotating shaft.

The utility model discloses when using, adjust the cam earlier and rotate, make the pivot drive isolator be in the state of opening, make the cam no longer press the transfer line simultaneously, then rotate the sign pole, the drive turns to the piece and rotates, it rotates and drives the bolt and remove to turn to the piece, the bolt is along the stairstepping perforation ladder direction of arranging and is removed, the removal of bolt drives the limiting plate and removes, the below of inserted bar is arranged in to another layer ladder in the messenger limiting plate, the height that highly is higher than before being located inserted bar below ladder of inserted bar below this moment, when the transfer line is pressed to cam reverse rotation, the inserted bar is being pushed up to the limiting plate, the transfer line is being pushed up to the inserted bar, make the transfer line can not descend to the high position of transfer line when the cam presses the transfer line completely, thereby make the cam can not reverse rotation, thereby restrict the rotation of cam.

Preferably, the steering block comprises two adjacent three blades forming an angle of 120 degrees, the first rotating shaft is fixedly connected to the center positions of the three blades, a second long hole for clamping the steering block is formed in the first blade along the clockwise direction, a first stop block is clamped on the second blade, and a pull rope which bypasses the third blade is connected to the first stop block.

According to the preferred scheme, the first fan blade and the second long hole are arranged, so that the turning block rotates to drive the plug pin to move, and the turning block is linked with the plug pin; through the setting of second flabellum, third flabellum to and the stay cord, be convenient for drive other parts through the stay cord, thereby realize the linkage with other parts.

As an optimization, the transfer line includes the first transfer line of top and cam contact, is located first transfer line below and the second transfer line that the diameter is less than first transfer line, set up the jack that supplies the inserted pin to insert on the first transmission, the spring that has connect the bottom of first transfer line and be located the cabinet door plant below the second transfer line has cup jointed outward to the second transfer line.

According to the optimized scheme, the spring is arranged, so that the transmission rod automatically moves upwards when the cam does not press the transmission rod, and the action of manually driving the penetrating rod to move upwards is omitted.

Preferably, the cabinet door plate is provided with an opening for inserting the second transmission rod, and the distance from the bottom end of the first transmission rod to the opening is smaller than the length of the second transmission rod. The preferred arrangement of this scheme provides the guide effect for the removal and the spring deformation of transfer line.

Preferably, the stepped inner cavity on the limiting plate comprises steps with three-layer height, and corners between the steps are cambered surfaces. This preferred scheme passes through the setting of cambered surface, and when the inserted bar bumps with the ladder turning, the guide inserted bar removes along the cambered surface, plays the effect of protection inserted bar and limiting plate.

Preferably, the lowest step is a curved surface that conforms to the circumference of the plunger. This preferred scheme's setting makes the area of contact of increase inserted bar and stopper, makes the difficult emergence of inserted bar rock, avoids the inserted bar to rock and leads to the inserted bar to break away from out the transfer line to result in the utility model discloses can't realize interlocking function.

Preferably, the isolating switch device comprises a first hinged rod hinged to the cam and a second hinged rod hinged to one end, far away from the cam, of the first hinged rod, one end, far away from the first hinged rod, of the second hinged rod is fixedly connected with a first rotating shaft connected to the high-voltage cabinet support in a shaft mode, and a supporting rod connected with the isolating switch is further fixedly connected to the circumferential surface of the first rotating shaft.

When the isolating switch is used, the first hinge rod rotates along with the cam and moves downwards to drive the second hinge rod to move downwards, and the second hinge rod moves downwards to drive the first rotating shaft to rotate on the bracket, so that the support rod is driven to rotate downwards to drive the isolating switch to be closed; when the isolating switch is opened, the first hinge rod moves upwards along with the rotation of the cam to drive the second hinge rod to move upwards, so that the first rotating shaft is driven to rotate, the supporting rod is driven to rotate upwards, and the isolating switch is driven to be opened.

Preferably, the marking rod is provided with a pointing groove along the length direction. This preferred scheme makes the staff be convenient for through the direction that the directional groove points to, discerns the operating condition of high-voltage board through the setting of directional groove.

The utility model has the advantages that: the rotation of the cam is limited through the matching of the limiting plate and the bolt, so that the closing of the isolating switch is limited, the closing of the isolating switch is limited through the rotation of the mark on the high-voltage cabinet, and potential safety hazards are eliminated; through the arrangement of the spring, the action of manually driving the transmission rod to move upwards is omitted; through the arrangement of the pointing groove, the working state of the high-voltage cabinet can be conveniently identified by workers; through the setting of stay cord and turning to the piece, be convenient for realize with the linkage of other parts.

Drawings

FIG. 1 is a schematic view of a part of the structure of the present invention located in a high voltage cabinet;

FIG. 2 is a schematic view of a portion of the structure of the present invention located outside the high-voltage board;

FIG. 3 is a schematic view at the cam;

FIG. 4 is a schematic view of the isolator switch assembly;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is a schematic view of a fourth hinge rod;

shown in the figure:

1. the cabinet door comprises a limiting plate, 2, a first transmission rod, 3, a second transmission rod, 4, a cam, 5, a spring, 6, a cabinet door plate, 7, a steering block, 8, a marking rod, 9, a third hinge rod, 10, a cabinet door, 11, a first hinge rod, 12, a first long hole, 13, a fourth hinge rod, 14, a first power connection block, 15, an isolating switch, 16, a second power connection block, 17, an insertion rod, 18, a second rotating shaft, 19, a first rotating shaft, 20, a supporting rod, 21, a steering shaft, 22 and a pull rope.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to the attached drawings 1-6, the interlocking device for displaying the working state of the high-voltage cabinet of the utility model is characterized in that a cabinet door plate 6 positioned in the high-voltage cabinet is arranged on a cabinet door 10 of the high-voltage cabinet, a cam 4 is penetrated and coupled on the cabinet door 10 of the high-voltage cabinet, the axis of the cam 4 extends transversely, the lower part of the cam 4 is contacted with the top end of the first transmission rod 2, the bottom end of the first transmission rod 2 is fixedly connected with a second transmission rod 3 with the diameter smaller than that of the first transmission rod 2, a spring 5 is sleeved outside the second transmission rod 3, one end of the spring 5 is propped against the bottom end of the first transmission rod 2, the other end of the spring 5 is propped against the cabinet door plate 6, the cabinet door plate 6 is provided with a hole for the first transmission rod 2 to insert, when the first transmission rod 2 rises to the highest position, the distance from the bottom end of the first transmission rod 2 to the opening is less than the length of the second transmission rod 3, the top end of the first transmission rod 2 is provided with cam 4 guard plates positioned at two sides of the circumferential surface of the cam 4.

Still be equipped with limiting plate 1 between cabinet door 10 and transfer line, set up into the stairstepping of stairstepping on limiting plate 1 and perforate, then form the echelonment that corresponds with the stairstepping on limiting plate 1, the ladder on limiting plate 1 includes the ladder of three-layer height, and the turning between ladder and the ladder is the cambered surface, and the minimum ladder becomes the cambered surface with the adaptation of inserted bar 17 periphery, and the below of limiting plate 1 is connected with 1 sill bar of limiting plate that extends along 1 ladder extending direction of limiting plate, pass through connector link and latch connection on the sill bar, the extending direction of bolt is the same with the gag lever post bottom plate extending direction, and the bolt slides and sheathes in at two bolts of fixing at cabinet door 10, and the socket of high-voltage cabinet sliding door is corresponding to the one end of bolt, and the rigid coupling has axis perpendicular to cabinet door 10 planar lug on the.

A first long hole 12 extending along the moving direction of the first transmission rod 2 is arranged outside the cabinet door 10, an insertion rod 17 penetrates through the first long hole 12, and the insertion rod 17 penetrates through the limiting block and penetrates into the through hole of the first transmission rod 2;

still open the recess that extends along cabinet door thickness direction on the cabinet door 10, set up the first pivot hole that runs through cabinet door 10 in the recess, set up three along first pivot aperture radial extension spacing groove at the bottom of the recess, wear to be equipped with first pivot 19 in the first pivot hole, set firmly the gag lever post with the spacing groove adaptation on the periphery of first pivot 19, the one end that first pivot 19 is located outside cabinet door 10 has set firmly sign pole 8, directional groove has been seted up along its length direction on the sign pole 8, and the position department of the directional cabinet door in directional groove is carved with high-voltage board operating condition's typeface, like "work", "maintenance" etc.

One end that first pivot 19 is located cabinet door 10 has set firmly and has turned to piece 7, turns to piece 7 and includes two adjacent three flabellums that become 120, and 19 rigid couplings of first pivot put at the central point of three flabellum, along clockwise, be first flabellum, second flabellum in proper order to and the third flabellum, set up the second slot hole that extends along first flabellum length direction on the first flabellum, wear to be equipped with in the second slot hole the lug is equipped with second flabellum dog and the third flabellum dog that axis and lug are parallel on second flabellum and the third flabellum respectively, still be equipped with on second flabellum dog and the third flabellum dog wear to establish the stay cord 22 of second flabellum dog and third flabellum dog in proper order.

The support that still is equipped with in the high-voltage board, the support includes two support curb plates and is located between two support curb plates and arranges two diaphragms from top to bottom, and the rigid coupling has first electricity piece 14 that connects on the upper end diaphragm, and the rigid coupling has the second that corresponds with first electricity piece 14 that connects on the lower extreme diaphragm to connect the electricity piece 16, it has isolator 15 to articulate on the first electricity piece 14.

The isolation switch device includes the first hinge rod 11 that articulates on cam 4, keeps away from 4 one end articulated second hinge rod of cam with first hinge rod 11, the second hinge rod includes keeps away from 4 one end articulated third hinge rod 9 of cam with top and first hinge rod 11, and third hinge rod 9 is the same with 11 direction of rotation of first hinge rod, and the bottom of third hinge rod 9 articulates there is fourth hinge rod 13, and the direction of rotation of fourth hinge rod 13 is perpendicular and the direction of rotation of third hinge rod 9, and the one end rigid coupling that third hinge rod 9 was kept away from to fourth hinge rod 13 is on second pivot 18, two support curb plates are worn to establish by second pivot 18 to the coupling is on two support curb plates, still the rigid coupling has the bracing piece 20 of connecting isolation switch 15 on the periphery of second pivot 18.

When the utility model is used and overhauled, the cam 4 needs to be rotated, the first hinge rod moves upwards along with the rotation of the cam 4, so as to drive the second hinge rod to move upwards, thereby driving the second rotating shaft to rotate, thereby driving the support rod 20 to rotate upwards, and the support rod 20 enables the isolating switch 15 to be separated from the second electrifying block 16, thereby driving the isolating switch to be opened;

meanwhile, the cam 4 rotates to eliminate the force for pressing the first connecting rod, the first connecting rod is jacked up under the elastic force of the second spring 5 and jacked on the frame of the limiting plate 1, then the marking rod 8 is pulled in the direction away from the cabinet door 10 to separate the limiting rod from the limiting groove, then the marking rod 8 is rotated, the first rotating shaft 19 is driven to rotate by the rotation of the marking rod 8, then the limiting rod corresponds to the next limiting groove, and finally the limiting rod is pushed into the limiting groove;

when the first rotating shaft 19 rotates, the rotating block rotates, so that the pulling rope 22 is pulled, and the pulling rope 22 drives other parts to move, thereby realizing linkage with other parts;

when the first rotating shaft 19 rotates, the rotating block rotates, the first fan blade drives the protruding block to move along the arrangement direction of the stepped perforated ladder, the protruding block moves to drive the plug pin to move in the plug pin sleeve and finally push the plug pin to the sliding door of the high-voltage cabinet, locking of the sliding door is achieved, the plug pin moves to drive the limiting plate 1 to move, the limiting plate 1 moves to enable the ladder below the inserting rod 17 to move, and the height of the ladder below the inserting rod 17 is higher than that of the previous ladder;

when a worker rotates the cam 4 in the reverse direction, the cam 4 rotates and presses the first transmission rod 2 to enable the first limiting rod to move downwards, the inserting rod 17 also moves downwards and pushes the inserting rod to a step with the high height of the limiting plate 1, the inserting rod 17 cannot move downwards due to the fact that the height of the step rises, the transmission rod cannot move downwards, and therefore the rotation of the cam 4 is limited, and the cam 4 cannot rotate to further limit the closing of the isolating switch 15.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims (8)

1. An interlock for showing high-voltage board operating condition which characterized in that: including running through and the coupling cam (4) on cabinet door (10), the isolator device of being connected with cam (4) to and be located the aggregate unit of cam (4) below, aggregate unit is including being located cam (4) below and with the transfer line of cam (4) contact, and just set up the fenestrate limiting plate of stairstepping (1) between cabinet door (10) and transfer line, wear to be equipped with in proper order and wear to establish first slot hole (12) and the fenestrate inserted bar (17) of limiting plate (1) stairstepping on cabinet door (10) on the transfer line, limiting plate (1) with be located limiting plate (1) below and along the stairstepping perforation stairstepping bolt connection of direction sliding connection on cabinet door (10), be equipped with the lug of axis perpendicular to cabinet door (10) on the periphery of bolt, be equipped with on the lug and turn to piece (7) along perpendicular to lug axis direction centre gripping lug, the steering block (7) is connected with an identification rod (8) positioned on the outer side of the cabinet door (10) through a first rotating shaft (19).

2. The interlock device for displaying an operating state of a high-voltage board according to claim 1, wherein: the steering block (7) comprises two adjacent three fan blades forming 120 degrees, a first rotating shaft (19) is fixedly connected to the center positions of the three fan blades, a second long hole for clamping the steering block (7) is formed in the first fan blade in the clockwise direction, a first stop block is arranged on the second fan blade in a clamping mode, and a pull rope (22) bypassing the third fan blade is connected to the first stop block.

3. The interlock device for displaying an operating state of a high-voltage board according to claim 1, wherein: the transfer line includes first transfer line (2) of top and cam (4) contact, is located first transfer line (2) below and second transfer line (3) that the diameter ratio is little than first transfer line (2), set up confession inserted bar (17) male jack in the first transmission, second transfer line (3) overcoat has connect the bottom of first transfer line (2) and spring (5) of cabinet door plant (6) that are located second transfer line (3) below.

4. The interlock device for displaying the operating condition of a high-voltage board according to claim 3, wherein: and a hole for inserting the second transmission rod (3) is formed in the cabinet door plate (6), and the distance from the bottom end of the first transmission rod to the hole is smaller than the length of the second transmission rod.

5. The interlock device for displaying an operating state of a high-voltage board according to claim 1, wherein: the step-shaped inner cavity on the limiting plate (1) comprises steps with three-layer heights, and corners between the steps are cambered surfaces.

6. The interlock device for displaying the operating condition of a high-voltage board according to claim 5, wherein: the lowest step is a cambered surface matched with the circumferential surface of the inserted bar (17).

7. The interlock device for displaying an operating state of a high-voltage board according to claim 1, wherein: the isolating switch device comprises a first hinge rod (11) hinged to a cam (4), a second hinge rod hinged to one end of the cam (4) is far away from the first hinge rod (11), the second hinge rod is far away from a first rotating shaft (19) of one end of the first hinge rod (11) and connected to the high-voltage cabinet support in a shaft joint mode, and a supporting rod (20) connected with an isolating switch (15) is fixedly connected to the periphery of the first rotating shaft (19).

8. The interlock device for displaying an operating state of a high-voltage board according to claim 1, wherein: the marking rod (8) is provided with a pointing groove along the length direction.

Images