CN216624889U - A simple and easy block terminal earthing device for tunnel - Google Patents

Abstract

The utility model discloses a simple distribution box grounding device for a tunnel, which comprises a distribution box, a grounding wire and a flat iron, wherein the flat iron is inserted into a low side wall, one end of the grounding wire is connected with the distribution box, and the other end of the grounding wire is connected with the flat iron. The technical effects achieved are as follows: by adopting the simple distribution box grounding device for the tunnel, the grounding device can be simply and quickly installed, the grounding reliability is good, the grounding device can be conveniently disconnected with a component fixed on the ground, and the distribution box can be more conveniently disassembled and moved.

Description

A simple and easy block terminal earthing device for tunnel

Technical Field

The utility model relates to the technical field of matching devices of distribution boxes, in particular to a simple distribution box grounding device for a tunnel.

Background

An electric box is a box-like container used to mount some electrical equipment. The device has the advantages of small volume, convenient installation, special technical performance, unique configuration function, no field limitation, more common application, stable and reliable operation, less occupied area and high space utilization rate. The technology mainly has the technical defects that:

in order to facilitate grounding of electrical equipment in a distribution box, a grounding device is often required to be installed on the box body of the distribution box;

secondly, after the tunnel inverted arch second lining is finished, the grounding effect is greatly reduced, and the potential safety hazard is larger.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a simple distribution box grounding device for a tunnel, which aims to solve the problems in the prior art, mainly aims to solve the safety problem of grounding of a distribution box after the construction of a second lining of an inverted arch of the tunnel is finished, and provides a flat iron device which can be directly arranged during pouring.

In order to achieve the above purpose, the utility model provides the following technical scheme:

according to a first aspect of the present invention, a simple distribution box grounding device for a tunnel includes a distribution box, a ground wire, and a flat iron, the flat iron being inserted into a low-profile wall, one end of the ground wire being connected to the distribution box, and the other end of the ground wire being connected to the flat iron.

Further, the flat iron extends in a vertical direction.

Further, the flat iron is of a rectangular long flat metal structure.

Further, still include the earth connection clip, the earth connection is close to the one end of band iron is provided with the earth connection clip, the earth connection clip is installed on the band iron.

Furthermore, a plurality of wedge-shaped bulges are arranged at the lower end of the flat iron.

Further, the grounding wire is wound and arranged in the distribution box.

Furthermore, the lower part of block terminal is provided with the base of trapezoidal.

Furthermore, the distribution box further comprises self-locking universal wheels, and the lower surface of the base at the lower part of the distribution box is provided with a plurality of self-locking universal wheels.

Furthermore, a plurality of clamping grooves are formed in the height direction of the flat iron, and the grounding wire clamp is clamped in one of the clamping grooves.

Further, the band iron is of a stainless steel integrated structure.

The utility model has the following advantages: by adopting the simple distribution box grounding device for the tunnel, the grounding device can be simply and quickly installed, the grounding reliability is good, the grounding device can be conveniently disconnected with a component fixed on the ground, and the distribution box can be more conveniently disassembled and moved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a block diagram and a structural design of a simple block diagram grounding device for tunnels according to some embodiments of the present invention.

Fig. 2 is a partial detailed view of a grounding device of a simple distribution box grounding device for a tunnel according to some embodiments of the present invention.

Fig. 3 is a three-dimensional view of the position of a flat iron of a simple grounding device for a tunnel distribution box according to some embodiments of the present invention.

In the figure: 1. primary support; 2. secondary lining; 3. pouring an inverted arch; 4. a working pavement; 5. a distribution box; 6. a ground line; 7. flat iron; 8. a ground wire clamp; 9. and (5) reinforcing steel bars.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. 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.

As shown in fig. 1 to 3, a simple grounding device for a distribution box in a first embodiment of the present invention includes a distribution box 5, a grounding wire 6, and a flat bar 7, wherein the flat bar 7 is inserted into a low-profile wall, one end of the grounding wire 6 is connected to the distribution box 5, and the other end of the grounding wire 6 is connected to the flat bar 7.

In the above embodiments, it should be noted that the grounding wire 6 is made of a conductive wire with good conductivity, such as an aluminum or copper conductive wire.

The technical effects achieved by the above embodiment are as follows: through the simple distribution box grounding device for the tunnel of the embodiment, the grounding device can be simply and quickly installed by adopting the method, the grounding reliability is good, and the distribution box can be conveniently disconnected from the components fixed on the ground, so that the disassembly and the displacement of the distribution box are more convenient.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the flat iron 7 extends in a vertical direction.

In the above optional embodiment, it should be noted that a flat plate is disposed at the lower end of the flat iron 7, and the flat plate is vertically disposed on the outer peripheral side of the flat iron 7, so as to ensure the perpendicularity between the flat iron 7 and the ground.

The beneficial effects of the above alternative embodiment are: through setting up the band iron 7 to extend along vertical direction, convenient operation is convenient for adjust the mounted position of earth connection 6 on band iron 7.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the flat iron 7 is a rectangular long flat metal structure.

In the alternative embodiment described above, it should be noted that the flat iron 7 is, for example, a flat sheet-like structure with a width significantly greater than the thickness, cut out.

The beneficial effects of the above alternative embodiment are: through setting flat iron 7 to rectangular flat metal structure, can realize better electric conductivity, again can use by easy to assemble.

Optionally, as shown in fig. 1 to 3, in some embodiments, a ground wire clip 8 is further included, one end of the ground wire 6 close to the flat iron 7 is provided with the ground wire clip 8, and the ground wire clip 8 is mounted on the flat iron 7.

In the above alternative embodiment, it should be noted that the ground clip 8 is an existing patch clip.

The beneficial effects of the above alternative embodiment are: through setting up earth connection clip 8, be convenient for the quick combination and the quick separation between earth connection 6 and band iron 7.

Optionally, as shown in fig. 1 to 3, in some embodiments, the lower end of the flat iron 7 is provided with a plurality of wedge-shaped protrusions.

In the above alternative embodiment, it should be noted that, for example, the flat iron 7 is provided with an inverted wedge-shaped projection at the portion located in the low side wall.

The beneficial effects of the above alternative embodiment are: through setting up the wedge arch at band iron 7 lower extreme, improved the fixed stability of band iron 7 lower extreme, avoided band iron 7 to take place the condition emergence of fixing unstability.

Alternatively, as shown in fig. 1-3, in some embodiments, the ground wire 6 is wound within the electrical box 5.

In the above alternative embodiment, it should be noted that a spiral spring or a torsion spring is disposed on the rotating shaft of the grounding wire 6, so as to achieve rapid storage when the grounding wire 6 is not used.

The beneficial effects of the above alternative embodiment are: through the arrangement, the winding phenomenon of overlong wires is effectively avoided.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the lower portion of the electric box 5 is provided with a trapezoidal base.

In the above alternative embodiment, it should be noted that the lower end of the electric distribution box 5 is mounted on the base by bolts.

The beneficial effects of the above alternative embodiment are: through setting up the base, strengthened the support stability to block terminal 5.

Optionally, as shown in fig. 1 to 3, in some embodiments, the power distribution box further includes a self-locking universal wheel, and a plurality of self-locking universal wheels are disposed on a lower surface of the base on the lower portion of the power distribution box 5.

In the above alternative embodiments, it should be noted that, in addition, a common universal wheel may be provided.

The beneficial effects of the above alternative embodiment are: through setting up from locking-type universal wheel, realized convenient removal of whole device, showing and promoted the efficiency of construction.

Alternatively, as shown in fig. 1 to 3, in some embodiments, a plurality of slots are provided in the flat iron 7 in the height direction, and the ground wire clamp 8 is clamped in one of the slots.

In the above-mentioned alternative embodiment, it should be noted that, for example, the card slot is a rectangular notch.

The beneficial effects of the above alternative embodiment are: through setting up the draw-in groove, realized the stability of 8 installations of ground wire clip.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the flat iron 7 is a stainless steel integrally formed structure.

In the above alternative embodiment, it should be noted that the flat iron 7 may also be an anti-corrosion metal plate made of other materials.

The beneficial effects of the above alternative embodiment are: by using stainless steel as the flat iron 7, the corrosion resistance and the electrical conductivity of the flat iron are significantly enhanced.

When the embodiment is used, the method comprises the following steps:

1. the distribution box 5 is connected in a flat iron 7 by a grounding wire 6 and a grounding wire clamp 8 to work;

2. after the primary support 1 is finished and the secondary lining 2 is to be carried out, the inverted arch 3 is poured firstly, and after the reinforcing steel bars 9 are bound, concrete is poured; after the concrete is poured, inserting the flat iron 7 into the short side wall, and waiting for the concrete to solidify;

3. when electricity needs to be used on the working pavement 4, the distribution box 5 is placed at a working place, the grounding wire 6 is pulled to the flat iron 7 of the low-side wall and clamped on the flat iron by a clamp, and therefore grounding is completed.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims (10)

1. The utility model provides a simple and easy block terminal earthing device for tunnel, its characterized in that, includes block terminal (5), earth connection (6) and band iron (7), band iron (7) insert in low side wall, the one end of earth connection (6) with block terminal (5) are connected, the other end of earth connection (6) with band iron (7) are connected.

2. A simple electric box earthing device for tunnels according to claim 1, characterized in that said flat iron (7) extends in vertical direction.

3. A simplified electric box earthing device for tunnels according to claim 2, characterized in that said flat iron (7) is a rectangular elongated flat metal structure.

4. A simple electric box grounding device for tunnels according to claim 3, characterized in that it further comprises a grounding wire clamp (8), said grounding wire clamp (8) being arranged at the end of the grounding wire (6) close to the flat iron (7), said grounding wire clamp (8) being mounted on said flat iron (7).

5. The simple grounding device for the distribution box of the tunnel according to claim 4, characterized in that the lower end of the flat iron (7) is provided with wedge-shaped protrusions.

6. The simple grounding device for a tunnel according to claim 5, characterized in that the grounding wire (6) is wound inside the electrical box (5).

7. The simple grounding device of distribution box for tunnel according to claim 6, characterized in that the lower part of distribution box (5) is provided with a trapezoidal base.

8. The simple distribution box grounding device for the tunnel according to claim 7, further comprising a plurality of self-locking universal wheels, wherein the plurality of self-locking universal wheels are arranged on the lower surface of the base of the lower portion of the distribution box (5).

9. The simple grounding device for the tunnel distribution box according to claim 8, wherein a plurality of slots are arranged in the height direction of the flat iron (7), and the grounding wire clamp (8) is clamped in one of the slots.

10. The simple grounding device for the distribution box of the tunnel according to claim 9, characterized in that said flat iron (7) is a stainless steel integral structure.

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