CN217848711U

CN217848711U - Mining flame-proof type relay box

Info

Publication number: CN217848711U
Application number: CN202221291747.3U
Authority: CN
Inventors: 贾朋任
Original assignee: Changchun Eastcoal High Technology Co ltd
Current assignee: Changchun Eastcoal High Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-18
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a mining flame-proof type relay box, including flame proof shell, binding post row and relay. The flameproof housing comprises a housing main body, a cover plate and hexagon socket head cap screws, the housing main body and the cover plate are fixed through the hexagon socket head cap screws to form a flameproof surface, the left side of the flameproof housing is provided with three cable inlets, external grounding bolts and hinges, the right side of the flameproof housing is provided with three cable outlets, the upper portion of the flameproof housing is provided with a handle and a hanging lug, a wiring terminal row and a relay are installed inside the flameproof housing, and the inside of the flameproof housing is provided with an internal grounding bolt. The utility model discloses compact structure is reasonable, and is small, and light in weight is equipped with the hangers, easily hangs in the mine, and the wiring is simple, easy dismouting maintenance.

Description

Mining flame-proof type relay box

Technical Field

The utility model relates to a relay box technical field, more specifically relates to a mining flame proof type relay box.

Background

In the pit of colliery, need the power to provide power output, the more use is the relay box, and current relay box is mostly for a plurality of relay common workings in the incasement, because heat production each other, influences each other to relay box volume and weight are great, when needs relay removes, and difficult dismouting is maintained and is removed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of existence among the prior art, the utility model provides a mining flame-proof type relay box can effectual a plurality of relay joint work of solution, heat each other, influences each other, is difficult for removing and prior art problems such as dismantlement.

The utility model discloses a following technical scheme solves above-mentioned technical problem:

the utility model provides a mining flame-proof type relay box, includes flame proof housing, binding post row and relay, flame proof housing comprises shell main part and apron, shell main part with the apron forms the flame proof face through the hexagon socket head cap screw is fixed, flame proof housing left side is equipped with three cable entry, earth bolt and hinge, the hinge is used for the apron to be connected with shell main part, flame proof housing right side is equipped with three cable outlet, flame proof housing upper portion is equipped with handle and hangers, binding post row with the relay is installed inside the flame proof housing, the inside inscription earth bolt that is provided with of flame proof housing.

Preferably, the strength grade of the socket head cap screw is 8.8.

Preferably, the explosion-proof shell is fixed with an explosion-proof mark, a coal safety mark and a nameplate through rivets.

Preferably, the flameproof surface is subjected to phosphating treatment, 204-1 antirust oil is used, 1321 arc-resistant paint is sprayed on the inner surface of the flameproof shell, and red antistatic paint is sprayed on the outer surface of the flameproof shell.

Preferably, two relays are arranged in the flameproof enclosure.

Preferably, the two relay contacts are both normally open contacts, and the input voltage is AC36V.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has two relays arranged inside, which effectively solves the problem that a plurality of relays work together, generate heat and affect each other; the utility model discloses compact structure is reasonable, and is small, and light in weight is equipped with the hangers, easily hangs installation and complete machine in the mine and lays, and easy dismouting is maintained and is removed, improves flexibility and the suitability that uses.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the right side of the present invention.

Fig. 3 is an internal schematic view of the present invention.

Wherein the reference numerals include: the explosion-proof cable comprises an explosion-proof shell 1, a shell main body 1-1, a cover plate 1-2, inner hexagonal socket head screws 1-3, explosion-proof surfaces 1-4, a cable inlet 1-5, external ground bolts 1-6, hinges 1-7, a cable outlet 1-8, handles 1-9, lugs 1-10, internal ground bolts 1-11, explosion-proof marks 1-12, coal safety marks 1-13, nameplates 1-14, a wiring terminal row 2 and relays 3.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. The following examples are presented merely to further understand and practice the present invention, and are not to be construed as further limiting the claims of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, where terms are involved, such as: the directional or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directional or positional relationships shown in the drawings, are merely for convenience of describing the invention and for simplicity of description, and do not indicate or imply that the device or part (element) referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, or may be connected internally, flexibly, rigidly or movably. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

As shown in FIGS. 1 to 3, the embodiment of the utility model provides a pair of mining flame-proof type relay box, including flame proof shell 1, binding post row 2, relay 3. The explosion-proof shell consists of a shell main body 1-1, a cover plate 1-2 and inner hexagonal socket head cap screws 1-3, the shell main body 1-1 and the cover plate 1-2 are fixed through the inner hexagonal socket head cap screws 1-3 to form an explosion-proof surface 1-4, the strength grade of the inner hexagonal socket head cap screws 1-3 is 8.8 grade, the explosion-proof surface 1-4 is subjected to phosphating treatment, 204-1 middle coating antirust oil is used, 1321 arc-resistant paint is sprayed on the inner surface of the explosion-proof shell 1, red antistatic paint is sprayed on the surface of the explosion-proof shell 1, three cable inlets 1-5, 1-6 external grounding bolts and 1-7 hinges are arranged on the left side of the explosion-proof shell 1, three cable outlets 1-8 are arranged on the right side of the explosion-proof shell 1, handles 1-9 and lugs 1-10 are arranged on the upper portion of the explosion-proof shell 1, a wiring terminal row 2 and a relay 3 are arranged inside the explosion-proof shell 1, and the internal grounding bolts 1-11 are arranged inside the explosion-proof shell 1. The explosion-proof shell 1 is fixed with explosion-proof marks 1-12, coal safety marks 1-13 and nameplates 1-14 through rivets. Two relays 2 are arranged in the mining explosion-proof relay box, contacts of the two relays 2 are normally open contacts, and the input voltage is AC36V.

The utility model provides a mining flame-proof type relay box internally arranged has two relays, has effectively solved the problem that a plurality of relays work jointly, produce heat each other, influence each other; the utility model discloses compact structure is reasonable, and is small, and light in weight is equipped with the hangers, easily hangs installation and complete machine in the mine and lays, and easy dismouting is maintained and is removed, improves flexibility and the suitability that uses.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims

1. The mining flame-proof type relay box is characterized by comprising a flame-proof shell, a wiring terminal row and a relay, wherein the flame-proof shell is composed of a shell main body and a cover plate, the shell main body and the cover plate form a flame-proof surface through fixing of hexagon socket head cap screws, the left side of the flame-proof shell is provided with three cable inlets, grounding bolts and hinges, the hinges are used for connecting the cover plate with the shell main body, the right side of the flame-proof shell is provided with three cable outlets, the upper portion of the flame-proof shell is provided with a handle and a hanging lug, the wiring terminal row and the relay are installed inside the flame-proof shell, and the inside of the flame-proof shell is provided with an internal grounding bolt.

2. The mining flameproof relay box of claim 1, wherein the strength grade of the socket head cap screw is 8.8.

3. A mining flameproof relay box according to claim 1, characterized in that the flameproof housing is fixed with a flameproof sign, a coal safety sign and a nameplate by rivets.

4. A mining flame-proof type relay box according to claim 1, characterized in that the flame-proof surface is phosphated, 204-1 middle-coated rust preventive oil is used, 1321 arc-resistant paint is sprayed on the inner surface of the flame-proof shell, and red antistatic paint is sprayed on the outer surface of the flame-proof shell.

5. A mining flameproof relay box according to claim 1, characterized in that two relays are arranged in the flameproof housing; the two relay contacts are normally open contacts, and the input voltage is AC36V.