CN212365785U

CN212365785U - Interlocking device of emergency power supply double switches

Info

Publication number: CN212365785U
Application number: CN202021645797.8U
Authority: CN
Inventors: 陶广耀; 陶文庸; 王志; 张双雄; 单俊
Original assignee: Jiangsu Daye Intelligent Electrical Co ltd
Current assignee: Jiangsu Daye Intelligent Electrical Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-01-15
Anticipated expiration: 2030-08-10

Abstract

The utility model provides an interlocking device of an emergency power supply double switch, which comprises a switch cabinet body, a first three-station mechanism and a second three-station mechanism, wherein the first three-station mechanism and the second three-station mechanism are arranged inside the switch cabinet body, a connecting lever is arranged on the first three-station mechanism and is connected with an interlocking baffle through a pulley assembly, a guide rod is arranged at the bottom of the switch cabinet body, a guide rail capable of moving up and down is sleeved on the guide rod, the guide rail is fixedly connected with the interlocking baffle, a sign board for displaying the plugging state is fixed on the interlocking baffle, the second three-station mechanism is connected with the interlocking bracket through a connecting assembly, the other end of the interlocking bracket is assembled and connected with the interlocking rod, an outer small door movably connected with the switch cabinet body is arranged in front of the interlocking baffle, and a cable cabin door arranged on the switch cabinet body is arranged under the, the transmission efficiency is high.

Description

Interlocking device of emergency power supply double switches

Technical Field

The utility model relates to a cubical switchboard switch interlocking technical field especially relates to an interlocking of urgent power supply double switch.

Background

The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like.

The existing switch cabinets in the market need to be powered off when being maintained, and under the condition that a ring network system is not available, the uninterrupted maintenance is difficult for clients, so that an integrated switch scheme is provided for the national network. The existing integrated switches on the market are double-cable schemes integrated on the PT switch cabinet, are limited by the technical requirements of national grids, have incomplete protection requirements of most products, and are simple and crude in interlocking, so that the requirements cannot be met.

Disclosure of Invention

The to-be-solved technical problem of the utility model is overcome the defect that prior art exists, the utility model provides an interlocking device of emergency power supply double switch, the utility model discloses interlocking simple structure, it is multiple functional, simple to operate, the security is good, and transmission efficiency is high.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an interlock of emergency power supply double switch, includes the cubical switchboard body and installs the first three station mechanisms and the three station mechanisms of second in the cubical switchboard body inside, install the turning arm on the first three station mechanisms, the turning arm is connected with the interlocking baffle through loose pulley assembly, the guide arm is installed to cubical switchboard body bottom, the cover is equipped with the guide rail that can reciprocate on the guide arm, guide rail and interlocking baffle fixed connection, be fixed with the sign that is used for showing the plug state on the interlocking baffle, the three station mechanisms of second are connected with the interlocking support through coupling assembling, the interlocking support other end links to each other with the interlocking lever assembly, the outside wicket with cubical switchboard body swing joint is installed in interlocking baffle the place ahead, is provided with the cable compartment door of installing on the cubical switchboard body under the outside wicket.

Further, loose pulley assembly includes pulley support and wire rope, and the pulley support is installed to the cubical switchboard internal portion near crank one side, installs first pulley and second pulley on the pulley support, and the wire rope is connected with the crank around first pulley and second pulley one end, and the other end is connected with interlocking baffle.

Further, coupling assembling includes fixed frame and cam, the three station mechanism bottom of second is fixed with fixed frame, is provided with the cam of installing on the three station mechanism of second directly over the fixed frame, and the interlocking support can be followed the activity about the fixed frame, and with install between the fixed frame and return the spring that contracts.

Further, the inside crossbeam that is fixed with restriction interlocking baffle and shifts up of cubical switchboard body, set up the quad slit that is used for the sign to reciprocate on the crossbeam.

Further, the limiting plate of fixing at the internal wall of switch cabinet is installed at the guide arm top, and the pot head that is close to limiting plate on the guide arm is equipped with the spring.

Furthermore, a small door installed on the switch cabinet body is arranged on the upper side of the external small door, a pressing plate fixed on the inner wall of the switch cabinet body is arranged on the rear side of the external small door, a cable sleeve is connected to the pressing plate, and the cable sleeve is sealed through a plug.

Furthermore, the tail end of the crank arm is provided with a bolt, a hook plate is arranged on the outer small door, and the inner wall of the hook plate is attached to the bolt.

Furthermore, but the picture peg cable is installed to the indicator rear side, but a plurality of arc walls have been seted up on the interlocking baffle.

Furthermore, the top of the cable cabin door is provided with a jack, and the interlocking rod assembly is connected with the cable cabin door in a plugging manner.

The utility model discloses an interlocking of emergency power supply double switch compares with prior art, the beneficial effects of the utility model include:

1. the utility model discloses the pattern of pulley wire is used in the interlocking carries out the transmission, has reduced the structure greatly and has taken up the space, and the pulley is adopted in the interlocking transmission, and the guide rail pattern has improved the efficiency of driven smoothness nature and interlocking.

2. The utility model discloses the interlock sets up to two interlocking type, and a door of a set of cable has improved the security of switch, and the installation of being convenient for is designed to the interlocking to be suitable for different two switching systems.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

fig. 1 schematically shows an internal structure diagram of an interlocking device of an emergency power supply dual switch according to an embodiment of the present invention;

fig. 2 schematically illustrates a front view of an interlock device for an emergency power dual switch according to an embodiment of the present invention;

fig. 3 schematically shows an enlarged view of a in an interlock device of an emergency power supply dual switch according to an embodiment of the present invention;

reference numbers in the figures: the system comprises a pulley support 1, a first three-station mechanism 2, a crank arm 3, a spring 4, a limiting plate 5, a guide rail 6, a guide rod 7, an interlocking support 8, an interlocking rod 9, a cross beam 10, a sign 11, an interlocking baffle 12, a plug 13, a small door 14, a small door 15, an external small door 16, a cable cabin door 17, a first pulley 18, a wire guide rope 19, a second pulley 19, a switch cabinet 20 and a third three-station mechanism 21.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

An embodiment according to the present invention is shown in conjunction with fig. 1-3. The utility model provides an interlocking device of two switches of emergency power supply, including the cubical switchboard body 20 and install first three station mechanisms 2 and the three station mechanisms 21 of second in the cubical switchboard body 20 inside, install connecting lever 3 on the first three station mechanism 2, connecting lever 3 is connected with interlocking baffle 12 through loose pulley assembly, guide arm 7 is installed to the cubical switchboard body 20 bottom, the cover is equipped with guide rail 6 that can reciprocate on the guide arm 7, guide rail 6 and interlocking baffle 12 fixed connection, be fixed with the sign 11 that is used for showing the plug state on the interlocking baffle 12, three station mechanisms 21 of second are connected with interlocking support 8 through coupling assembling, the interlocking support 8 other end links to each other with interlocking rod assembly 9, interlocking baffle 12 the place ahead is installed with cubical switchboard body 20 swing joint's outside wicket 15, be provided with cable hatch 16 of installing on the cubical switchboard body 20 under the outside wicket 15.

Pulley assembly includes pulley support 1 and wire rope 18, pulley support 1 is installed to the inside 3 one sides of being close to the turning arm of cubical switchboard body 20, install first pulley 17 and second pulley 19 on the pulley support 1, wire rope 18 is connected with turning arm 3 around

first pulley

17 and 19 one end of second pulley, the other end is connected with interlocking baffle 12, through wire rope 18 along pulley drive, the efficiency of driven smoothness nature and interlocking has been improved, coupling assembling includes fixed frame and cam, the fixed frame is fixed with at the bottom of the three station mechanism 21 of second, be provided with the cam of installing on the three station mechanism 21 of second directly over the fixed frame, interlocking support 8 can follow the activity from top to bottom, and with install between the fixed frame and return the spring, drive the cam through three station mechanism 21 of second and rotate, interlocking support 8 reciprocates through fixed frame and the spring that returns.

A beam 10 for limiting the upward movement of the interlocking baffle plate 12 is fixed in the switch cabinet body 20, a square hole for the upward and downward movement of the indicating plate 11 is formed in the beam 10, the upward and downward movement of the indicating plate 11 is facilitated through the square hole, the interlocking baffle plate 12 is transversely limited to continue to move upward, the beam 10 is arranged between the small door 14 and the outer small door 15, the protection grade is improved, a limiting plate 5 fixed on the inner wall of the switch cabinet body 20 is installed at the top of the guide rod 7, a spring 4 is sleeved on one end, close to the limiting plate 5, of the guide rod 7, through the spring 4, when the interlocking baffle plate 12 is not subjected to the action of external force, the guide rail 6 drives the interlocking baffle plate 12 to recover to the original position along the guide rod 7, the small door 14 installed on the switch cabinet body 20 is arranged on the upper side of the outer small door 15, prevent cable sleeve electric leakage breakdown, stably connect cable sleeve through the clamp plate, conveniently assemble the inside part of cubical switchboard body 20 through little door 14.

The bolt is installed at the tail end of the crank arm 3, the hook plate is installed on the outer small door 15, the inner wall of the hook plate is attached to the bolt, the bolt rotates along the crank arm 3 and is separated from the hook plate to open the outer small door 15, the bolt blocks the interlocking baffle plate 12 and is not lifted artificially to prevent misoperation, a pluggable cable is installed on the rear side of the indicator 11, a plurality of arc-shaped grooves are formed in the interlocking baffle plate 12 and are convenient to connect with a power supply through a cable plugboard, when the arc-shaped grooves prevent cables from being connected, the interlocking baffle plate 12 damages the cables, jacks are formed in the top of the cable cabin door 16, the interlocking rod assembly 9 is in plug-in connection with the cable cabin door 16, the interlocking rod assembly 9 is inserted into the cable cabin door 16 to prevent the cable cabin door 16 from being opened, and when the.

In this embodiment, as shown in fig. 1, the first three-position mechanism 2 is in the ground separation position, when the first three-position mechanism 2 is separated from the ground to the ground, the rotating shaft of the first three-position mechanism 2 drives the crank arm 3 to rotate, the crank arm 3 rotates to pull the wire rope 18 to move along the first pulley 17 and the second pulley 19, so that the tail end of the wire rope 18 generates an upward force on the interlocking baffle 12, the interlocking baffle 12 moves upward along the guide rod 7 through the guide rail 6, the guide rail 6 moves upward to compress the spring 4, the interlocking baffle 12 moves upward to drive the indicator 11 to move upward, the indicator 11 moves upward to move the interlocking baffle 12 without blocking the position of the plug 13, the indicator 11 displays an upward pluggable cable, the crank arm 3 drives the bolt to separate from the hook plate when rotating, the outer door 15 is in an open state, the first three-position mechanism 2 is in the ground position, and the operator removes the plug 13, an emergency power supply cable is installed through the cable bushing.

When the second three-station mechanism 21 is grounded, the rotating shaft on the second three-station mechanism 21 drives the cam to rotate, the cam rotates and retracts the spring to generate upward force on the interlocking support 8, the interlocking support 8 moves upwards along the fixed frame, the interlocking support 8 moves upwards to drive the interlocking rod to move upwards, and when the second three-station mechanism 21 is grounded, the cable cabin door 16 can be opened.

After the cable installation is accomplished, when first three station mechanism 2 divides to the ground connection position by the ground connection, the axis of rotation on the first three station mechanism 2 drives the crank arm 3 antiport, and the state that figure 1 shows is got back to the interlocking position, and interlocking baffle 12 blocks end cap 13 and does not let the operation, and sign 11 shows the not plug state of not earthing simultaneously, and the bolt below the crank arm 3 blocks interlocking baffle 12, does not let its by the artificial lifting, prevents the maloperation.

The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.

Claims

1. The interlocking device of the emergency power supply double-switch is characterized by comprising a switch cabinet body (20), a first three-station mechanism (2) and a second three-station mechanism (21) which are arranged inside the switch cabinet body (20), a connecting lever (3) is arranged on the first three-station mechanism (2), the connecting lever (3) is connected with an interlocking baffle (12) through a pulley assembly (1), a guide rod (7) is arranged at the bottom of the switch cabinet body (20), a guide rail (6) capable of moving up and down is sleeved on the guide rod (7), the guide rail (6) is fixedly connected with the interlocking baffle (12), an indicator (11) used for displaying a plugging state is fixed on the interlocking baffle (12), the second three-station mechanism (21) is connected with an interlocking support (8) through a connecting assembly, the other end of the interlocking support (8) is connected with an interlocking rod assembly (9), an outer small door (15) movably connected with the switch cabinet body (20) is arranged in front of the interlocking baffle (12), a cable cabin door (16) arranged on the switch cabinet body (20) is arranged right below the small outer door (15).

2. The interlocking device of the emergency power supply double-switch as claimed in claim 1, wherein the pulley assembly (1) comprises a pulley bracket and a wire guide rope (18), the pulley bracket is installed inside the switch cabinet body (20) close to one side of the crank arm (3), a first pulley (17) and a second pulley (19) are installed on the pulley bracket, one end of the wire guide rope (18) which bypasses the first pulley (17) and the second pulley (19) is connected with the crank arm (3), and the other end of the wire guide rope is connected with the interlocking baffle (12).

3. The interlocking device of an emergency power supply double switch according to claim 1, wherein the connecting assembly comprises a fixing frame and a cam, the bottom of the second three-position mechanism (21) is fixed with the fixing frame, the cam installed on the second three-position mechanism (21) is arranged right above the fixing frame, the interlocking bracket (8) can move up and down along the fixing frame, and a retraction spring is installed between the interlocking bracket and the fixing frame.

4. The interlocking device of the emergency power supply double-switch as claimed in claim 1, wherein a beam (10) for limiting the upward movement of the interlocking baffle (12) is fixed inside the switch cabinet body (20), and a square hole for the up-and-down movement of the indicator (11) is formed in the beam (10).

5. The interlocking device of the emergency power supply double switch according to claim 1, wherein a limiting plate (5) fixed on the inner wall of the switch cabinet body (20) is installed at the top of the guide rod (7), and a spring (4) is sleeved on one end of the guide rod (7) close to the limiting plate (5).

6. The interlocking device of an emergency power supply double switch according to claim 1, characterized in that the outer small door (15) is provided with a small door (14) mounted on the switch cabinet body (20) at the upper side, and is provided with a pressing plate fixed on the inner wall of the switch cabinet body (20) at the rear side, and the pressing plate is connected with a cable sleeve which is sealed by a plug (13).

7. The interlocking device of the emergency power supply double-switch as claimed in claim 1, wherein the tail end of the crank arm (3) is provided with a bolt, the outer small door (15) is provided with a hook plate, and the inner wall of the hook plate is attached to the bolt.

8. The interlocking device of the emergency power supply double switch as claimed in claim 1, wherein a pluggable cable is installed at the rear side of the indicator board (11), and a plurality of arc-shaped grooves are formed in the interlocking baffle (12).

9. The interlocking device of an emergency power supply double switch as claimed in claim 1, characterized in that the top of the cable door (16) is provided with a jack, and the interlocking rod assembly (9) is connected with the cable door (16) in a plugging manner.