CN213015856U

CN213015856U - Locking prevention device for 10kv high-voltage switch cabinet

Info

Publication number: CN213015856U
Application number: CN202020677095.1U
Authority: CN
Inventors: 李兵; 袁铭举
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-04-20
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a locking device is prevented to 10kv high tension switchgear, include: a switch cabinet; the rear door is arranged at the rear end of the switch cabinet; the surface of the back door is provided with a rotating handle. This locking device is prevented to high tension switchgear, during the circular telegram, the extension of spring circular telegram makes flexible piece drive the bull stick and rotates, rises the kicking block, blocks the fixture block, makes the staff can't open the back door through changeing the handle outside, has avoided under the circumstances of circular telegram, and the back door is opened, and the prevention is dangerous, and the practicality is strong.

Description

Locking prevention device for 10kv high-voltage switch cabinet

Technical Field

The utility model relates to a cubical switchboard technical field specifically is a locking device is prevented to 10kv high tension switchgear.

Background

The switch cabinet is an electrical device, the outside line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, each branch circuit is arranged according to the requirement, such as an instrument, an automatic control, a motor magnetic switch, various alternating current contactors and the like, some switch cabinets are also provided with a high-voltage chamber and a low-voltage chamber, high-voltage buses are arranged, such as a power plant and the like, and some switch cabinets are also provided with low-cycle load shedding for protecting main equipment;

at the in-process of overhauing the high tension switchgear, the staff walks wrong interval easily, perhaps overhauls wrong high tension switchgear, causes the safety problem such as electric leakage easily, and current cubical switchboard back door is difficult to the locking device installation, easily takes place the potential safety hazard, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking device is prevented to 10kv high tension switchgear to solve the problem that locking device is prevented to prior art's high tension switchgear has the potential safety hazard at least.

In order to achieve the above object, the utility model provides a following technical scheme: a10 kv high-voltage switch cabinet anti-locking device comprises:

a switch cabinet;

the rear door is arranged at the rear end of the switch cabinet;

the surface of the back door is provided with a rotating handle.

Preferably, the inner end of the rotating handle is provided with one end of a rotating shaft, and the other end of the rotating shaft extends into the inner cavity of the rear door and is in interference fit with a clamping block.

Preferably, one end of the rear door is provided with a rectangular opening.

Preferably, the inner chamber of cubical switchboard is provided with two installation pieces, two it is connected with the bull stick to rotate between the installation piece, the front end surface interference fit of bull stick has the cam, the rear end surface of bull stick is provided with the connecting block.

Preferably, the top end of the cam is provided with the bottom end of a push rod, the top end of the push rod is provided with a top block, the outer wall of the middle part of the push rod is sleeved with a limiting block, one end of the limiting block is provided with one end of a connecting rod, and the other end of the connecting rod is arranged on the inner wall of one end of the inner cavity of the switch cabinet.

Preferably, the front and the back of the inner wall of the connecting block are both provided with sliding grooves.

Preferably, the inner wall of one end of the inner cavity of the switch cabinet is provided with a telescopic cylinder, the inner cavity of the telescopic cylinder is provided with one end of a spring, the other end of the spring is provided with one end of a telescopic block, the other end of the telescopic block extends out of the telescopic cylinder, a slide bar is inserted into the surface of the other end of the telescopic block, and the two ends of the slide bar are connected in the slide grooves in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that: this locking device is prevented to high tension switchgear, during the circular telegram, the extension of spring circular telegram makes flexible piece drive the bull stick and rotates, rises the kicking block, blocks the fixture block, makes the staff can't open the back door through changeing the handle outside, has avoided under the circumstances of circular telegram, and the back door is opened, and the prevention is dangerous, and the practicality is strong.

Drawings

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

FIG. 2 is a partial cutaway view of the back door of FIG. 1;

FIG. 3 is a cut-away view of the interior of the switchgear cabinet of FIG. 1;

fig. 4 is a schematic diagram of the explosive structure of the telescopic cylinder of fig. 3.

In the figure: 1. switch cabinet, 2, back door, 3, change handle, 4, pivot, 5, fixture block, 6, installation piece, 7, bull stick, 8, cam, 9, connecting block, 10, ejector pin, 11, kicking block, 12, stopper, 13, connecting rod, 14, flexible piece, 15, slide bar, 16, telescopic cylinder, 17, spring.

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 locking prevention device for a 10kv high-voltage switch cabinet is characterized by comprising: the switch cabinet comprises a switch cabinet 1, a rear door 2 and a rotating handle 3, wherein the rear end of the switch cabinet 1 is provided with the rear door 2; the surface of the back door 2 is provided with a rotating handle 3, and the back door 2 is opened through the rotating handle 3.

Preferably, the inner end of the rotating handle 3 is provided with one end of a rotating shaft 4, the other end of the rotating shaft 4 extends into the inner cavity of the rear door 2, and a clamping block 5 is in interference fit with the inner cavity of the rear door 2 and is clamped with the ejector block 11 through the clamping block 5.

Preferably, one end of the rear door 2 is provided with a rectangular opening, so that the fixture block 5 can be conveniently rotated in and out.

Preferably, the inner cavity of the switch cabinet 1 is provided with two mounting blocks 6, a rotating rod 7 is rotatably connected between the two mounting blocks 6, a cam 8 is in interference fit with the front end surface of the rotating rod 7, a connecting block 9 is arranged on the rear end surface of the rotating rod 7, and the rotating rod 7 is arranged at one end inside the inner cavity of the rear door 2.

As preferred scheme, further, the top of cam 8 is provided with the bottom of ejector pin 10, and the top of ejector pin 10 is provided with kicking block 11, and stopper 12 has been cup jointed to the middle part outer wall of ejector pin 10, and the one end of stopper 12 is provided with the one end of connecting rod 13, and the other end of connecting rod 13 sets up the inner wall in the inner chamber one end of cubical switchboard 1, and kicking block 11 is located the one end of rectangle mouth.

As preferred scheme, still further, the spout has all been seted up around the inner wall of connecting block 9, through slide bar 15, is convenient for slide in the spout.

As preferred scheme, furthermore, the inner wall of the inner cavity one end of the switch cabinet 1 is provided with a telescopic cylinder 16, the inner cavity of the telescopic cylinder 16 is provided with one end of a spring 17, the other end of the spring 17 is provided with one end of a telescopic block 14, the other end of the telescopic block 14 extends out of the telescopic cylinder 16, a slide bar 15 is inserted into the surface of the other end of the telescopic block 14, the two ends of the slide bar 15 are both slidably connected in a sliding groove, and the slide bar 15 drives the connecting block 9 and the rotating rod 7 to rotate.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

When the switch cabinet 1 is powered on, the spring 17 is powered on and extends to drive the telescopic block 14 to extend, the slide rod 15 drives the connecting block 9 and the rotating rod 7 to rotate to drive the cam 8 to rotate, the ejector rod 10 at the upper end is jacked, and the middle part of the ejector block 11 and the clamping block 5 are clamped mutually, so that the rotating handle 3 cannot be rotated outside the rear door 2, the phenomenon that the rear door 2 is opened by mistake when the switch cabinet 1 is powered on is avoided, the safety problem is caused, and the practicability is high.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. A locking prevention device for a 10kv high-voltage switch cabinet is characterized by comprising:

a switch cabinet (1);

the rear door (2) is arranged at the rear end of the switch cabinet (1);

the surface of the rear door (2) is provided with the rotating handle (3);

the inner chamber of cubical switchboard (1) is provided with two installation pieces (6), two it is connected with bull stick (7) to rotate between installation piece (6), the front end surface interference fit of bull stick (7) has cam (8), the rear end surface of bull stick (7) is provided with connecting block (9).

2. The 10kv high-voltage switch cabinet locking prevention device as claimed in claim 1, wherein one end of the rotating shaft (4) is arranged at the inner end of the rotating handle (3), and the other end of the rotating shaft (4) extends into the inner cavity of the rear door (2) and is in interference fit with the clamping block (5).

3. The 10kv high-voltage switch cabinet anti-locking device as claimed in claim 2, wherein one end of the rear door (2) is provided with a rectangular opening.

4. The 10kv high-voltage switch cabinet locking prevention device is characterized in that the top end of the cam (8) is provided with the bottom end of a push rod (10), the top end of the push rod (10) is provided with a top block (11), the outer wall of the middle part of the push rod (10) is sleeved with a limit block (12), one end of the limit block (12) is provided with one end of a connecting rod (13), and the other end of the connecting rod (13) is arranged on the inner wall of one end of the inner cavity of the switch cabinet (1).

5. The 10kv high-voltage switch cabinet locking prevention device as claimed in claim 4, wherein the inner wall of the connecting block (9) is provided with sliding grooves at the front and the rear.

6. The 10kv high-voltage switch cabinet locking prevention device is characterized in that a telescopic cylinder (16) is arranged on the inner wall of one end of an inner cavity of the switch cabinet (1), one end of a spring (17) is arranged in the inner cavity of the telescopic cylinder (16), one end of a telescopic block (14) is arranged at the other end of the spring (17), the other end of the telescopic block (14) extends out of the telescopic cylinder (16), a sliding rod (15) is inserted into the surface of the other end of the telescopic block (14), and two ends of the sliding rod (15) are slidably connected in sliding grooves.