CN217086900U - Ground lead-out device for preventing underground water from seeping - Google Patents

Abstract

The utility model discloses a prevent ground connection eduction gear that groundwater oozes, concretely relates to ground connection eduction gear technical field, including a protection section of thick bamboo, the inside of a protection section of thick bamboo is equipped with the ground connection eduction wire, the outside of ground connection eduction wire is equipped with the boundary belt, the inside of a protection section of thick bamboo is from last to having five insulating solid fixed rings of equidistant fixed mounting down, it has the insulating filler to fill between boundary belt and the protection section of thick bamboo, the outside lower extreme of a protection section of thick bamboo is equipped with the seal ring, the outer wall of a protection section of thick bamboo all twines in the upper and lower both sides of seal ring and has met water inflation sealing rod, the top and the bottom of a protection section of thick bamboo are equipped with seal block and lower seal block respectively, the inboard of going up seal block and lower seal block all is equipped with the pad that absorbs water. The utility model discloses a set up stagnant water ring and two pads that absorb water, work as this device in the use, stagnant water ring and two pads that absorb water can effectually prevent that groundwater from oozing, thereby improved the utility model discloses an excellent in use effect.

Description

Ground lead-out device for preventing underground water from seeping

Technical Field

The utility model relates to a ground connection eduction gear technical field, more specifically say, the utility model relates to a prevent ground connection eduction gear that groundwater oozes.

Background

In the subway grounding system, because of the requirement of fault current protection, the grounding grid is positioned below the structural bottom plate, so that when the electrical equipment of a subway platform is grounded, the electrical equipment must be connected with the grounding grid through a grounding downlead, and a reliable grounding system is realized. In the past, the grounding down lead is usually led out from a structural bottom plate directly or led out through a PVC pipe, the fault current protection requirement cannot be met easily due to the adoption of the measure, the underground water easily overflows from the grounding down lead, the subway design requirement cannot be met, and the like, so that a corresponding grounding leading-out device is required to be used.

The grounding leading-out device is a necessary grounding device in the field of electric grounding devices. The ground lead-out device is generally also called as an earth pole lead-out device, and when the ground lead-out device is used, the ground lead-out device needs to be connected with a ground lead and a ground net to realize reliable grounding, so that current in a system is led into the ground, and the electricity utilization safety is improved.

The conventional grounding leading-out device is usually provided with a water stop ring outside the protective barrel to prevent the underground water from overflowing and seeping to the grounding lead, so that unreliable grounding is caused, and the safety accident caused thereby can not reach the protection requirement of stray current, the underground water seeps out from the grounding lead easily, and the use effect of the product is reduced. The present invention was made in view of the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a prevent ground connection eduction gear that groundwater oozes solves current ground connection eduction gear and sets up the seal ring in the protection section of thick bamboo outside usually, but this structure probably can not reach stray current protection requirement, has reduced the problem of product result of use.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a ground connection eduction gear that prevents groundwater from oozing, includes a protection section of thick bamboo, the inside of a protection section of thick bamboo is equipped with ground connection lead-out wire, ground connection lead-out wire's the outside is equipped with the boundary belt, the inside of a protection section of thick bamboo is from last to equidistant fixed mounting have five insulating solid fixed rings down, ground connection lead-out wire and boundary belt run through insulating solid fixed ring, it has insulating filler to fill between boundary belt and the protection section of thick bamboo, the outside lower extreme of a protection section of thick bamboo is equipped with the seal ring, the seal ring is the integrated into one piece structure with a protection section of thick bamboo, the outer wall of a protection section of thick bamboo all twines in the upper and lower both sides of seal ring and has met water inflation sealing rod, the top and the bottom of a protection section of thick bamboo are equipped with seal block and lower seal block respectively, the inboard of going up seal block and seal block all is equipped with the pad that absorbs water.

In a preferred embodiment, the protective cylinder is made of stainless steel materials, and the service life of the protective cylinder is effectively prolonged.

In a preferred embodiment, the outer surfaces of the protection barrel and the water stop ring are coated with anti-corrosion layers, and the anti-corrosion layers are made of epoxy resin, so that the service lives of the protection barrel and the water stop ring are prolonged.

In a preferred embodiment, two ends of the protective belt respectively extend out of the top end and the bottom end of the protective barrel, the grounding lead wires are made of T2 copper bars, and two ends of the grounding lead wires respectively extend out of the top end and the bottom end of the protective belt, so that the protective barrel is convenient for workers to use the device.

In a preferred embodiment, the outer side of the protection cylinder is provided with a connecting sleeve, the inner diameter of the connecting sleeve is the same as the outer diameter of the protection cylinder, and the outer side of the connecting sleeve is fixedly connected with a lifting handle, and the connecting sleeve can be conveniently lifted up by the lifting handle.

In a preferred embodiment, the upper sealing block and the lower sealing block are both made of silica gel, and the upper sealing block and the lower sealing block mainly play a role of sealing and protecting the cylinder.

In a preferred embodiment, the upside all is equipped with the sealing glue layer between the lower surface of water inflation sealing rod and the upper surface of seal ring and between the lower side upper surface of water inflation sealing rod and the lower surface of seal ring, prevents to break away from between water inflation sealing rod and the seal ring when using, upper and lower both sides water inflation sealing rod all is connected through bolt and a protection section of thick bamboo, has guaranteed the stability of water inflation sealing rod in the installation.

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

1. the utility model has the advantages that the upper sealing block, the lower sealing block and the insulating fixing ring are arranged to prevent the position of the protective belt from being deviated, the position of the protective belt is fixed, and the pressure generated during the work of the grounding lead-out wire is shared, so that the grounding lead-out wire can work more stably;

2. the utility model discloses a set up stagnant water ring and two pads that absorb water, work as this device in the use, stagnant water ring and two pads that absorb water can effectually prevent that groundwater from oozing, thereby improved the utility model discloses an excellent in use effect is provided with the water-swelling sealing rod, has further improved the utility model discloses a waterproof performance.

Drawings

For a clearer explanation of the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a sectional view of the overall structure of the present invention;

fig. 4 is an enlarged schematic view of the area a in fig. 3 according to the present invention;

fig. 5 is a sectional view of the protection tube of the present invention.

Description of reference numerals:

1. a protective cylinder; 2. a ground lead-out wire; 3. a water stop ring; 4. installing a sealing block; 5. a lower sealing block; 6. a water absorbent pad; 7. an insulating fixing ring; 8. an insulating filler; 9. protecting the belt; 10. an anti-corrosion layer; 11. a connecting sleeve; 12. lifting the handle; 13. a water-swelling sealing strip when meeting water; 14. and (6) sealing the adhesive layer.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-5 of the specification, the ground leading-out device for preventing groundwater seepage of the embodiment comprises a protection cylinder 1, wherein the protection cylinder 1 is made of stainless steel materials, the stainless steel materials have good anti-corrosion performance and effectively prolong the service life of the protection cylinder 1, a ground leading-out wire 2 is arranged inside the protection cylinder 1, a protective belt 9 is arranged outside the ground leading-out wire 2, five insulating fixing rings 7 are fixedly arranged inside the protection cylinder 1 at equal intervals from top to bottom, the ground leading-out wire 2 and the protective belt 9 penetrate through the insulating fixing rings 7, two ends of the protective belt 9 respectively extend out of the top end and the bottom end of the protection cylinder 1, the ground leading-out wire 2 adopts a T2 copper bar, two ends of the ground leading-out wire 2 respectively extend out of the top end and the bottom end of the protective belt 9, and an insulating filler 8 is filled between the protective cylinder 1 and the protective belt 9, the outer lower end of the protection barrel 1 is provided with a water stop ring 3, the water stop ring 3 and the protection barrel 1 are of an integrally formed structure, the outer surfaces of the protection barrel 1 and the water stop ring 3 are coated with an anti-corrosion layer 10, the anti-corrosion layer 10 is made of epoxy resin, the epoxy resin has excellent corrosion resistance and high heat resistance and electrical insulation, the service lives of the protection barrel 1 and the water stop ring 3 are prolonged, the top end and the bottom end of the protection barrel 1 are respectively provided with an upper sealing block 4 and a lower sealing block 5, the upper sealing block 4 and the lower sealing block 5 are made of silica gel, the upper sealing block 4 and the lower sealing block 5 mainly play a role of sealing the protection barrel 1, the installation stability of the grounding lead-out wire 2 in the protection barrel 1 can be enhanced, the inner sides of the upper sealing block 4 and the lower sealing block 5 are respectively provided with a water absorption pad 6, rectangular connection through grooves are formed in the middle positions of the upper sealing block 4 and the lower sealing block 5, and the protective belt 9 can be conveniently worn out.

The outer side of the protection barrel 1 is provided with a connecting sleeve 11, the inner diameter of the connecting sleeve 11 is the same as the outer diameter of the protection barrel 1, the outer side of the connecting sleeve 11 is fixedly connected with a lifting handle 12, the connecting sleeve 11 can be conveniently pulled up through the lifting handle 12, therefore, the protection barrel 1 arranged inside the connecting sleeve 11 is pulled up, when the device is operated at a high temperature, a worker can lift the device through the lifting handle 12, scalding of the worker is avoided, and the device is convenient to carry.

The implementation scenario is specifically as follows: the utility model discloses in the use, the staff earlier overlaps ground connection lead-out wire 2 in the inside of boundary belt 9, then pass protective barrel 1 with boundary belt 9, go up sealed sprue 4, lower sealed sprue 5 and insulating solid fixed ring 7 play and prevent that boundary belt 9 position from putting partially effect, the position of boundary belt 9 has been fixed, the pressure that ground connection lead-out wire 2 during operation produced has been shared, make ground connection lead-out wire 2 work that can be more stable, it has insulating filler 8 to pack between protective barrel 9 and protective barrel 1, prevent that short circuit from appearing between ground connection lead-out wire 2 and the protective barrel 1, be provided with seal ring 3 and two pads 6 that absorb water, this device is in the use, seal ring 3 and two pads 6 that absorb water can effectually prevent groundwater from oozing, thereby, the utility model discloses an effect is improved.

Referring to the attached drawings 1, 3 and 4 of the specification, the ground leading-out device for preventing groundwater from seeping of the embodiment includes that water-swelling water stop strips 13 are wound on the upper side and the lower side of a water stop ring 3 of an outer wall surface of a protection barrel 1, sealing adhesive layers 14 are arranged between the lower surface of the water-swelling water stop strip 13 and the upper surface of the water stop ring 3 and between the upper surface of the lower side water-swelling water stop strip 13 and the lower surface of the water stop ring 3, the sealing adhesive layers 14 guarantee the stability of the water-swelling water stop strips 13 on the two sides when being connected with the water stop ring 3, the water-swelling water stop strips 13 and the water stop ring 3 are prevented from being separated when in use, the water-swelling water stop strips 13 on the upper side and the lower side are connected with the protection barrel 1 through bolts, and the stability of the water-swelling water stop strips 13 in the installation process is guaranteed.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a ground connection eduction gear that prevents groundwater from oozing, includes a protection section of thick bamboo (1), its characterized in that: a grounding lead-out wire (2) is arranged inside the protective barrel (1), a protective belt (9) is arranged outside the grounding lead-out wire (2), five insulating fixing rings (7) are fixedly arranged in the protective barrel (1) from top to bottom at equal intervals, the grounding lead-out wire (2) and the protective belt (9) penetrate through the insulating fixing ring (7), insulating filler (8) is filled between the protective tape (9) and the protective cylinder (1), the lower end of the outer side of the protection barrel (1) is provided with a water stop ring (3), the water stop ring (3) and the protection barrel (1) are of an integrated structure, the outer wall surface of the protection barrel (1) is wound with water-swelling water stop strips (13) at the upper side and the lower side of the water stop ring (3), the top end and the bottom end of the protection cylinder (1) are respectively provided with an upper sealing block (4) and a lower sealing block (5), and the inner sides of the upper sealing block (4) and the lower sealing block (5) are both provided with water absorption pads (6).

2. A ground lead-out device for preventing seepage of groundwater according to claim 1, wherein: the protection cylinder (1) is made of stainless steel materials.

3. A ground lead-out device for preventing seepage of groundwater according to claim 1, wherein: the outer surfaces of the protection barrel (1) and the water stop ring (3) are coated with anti-corrosion layers (10), and the anti-corrosion layers (10) are made of epoxy resin.

4. A ground lead-out device for preventing seepage of groundwater according to claim 1, wherein: the two ends of the protective belt (9) respectively extend out of the top end and the bottom end of the protective barrel (1), the grounding outgoing line (2) adopts a T2 copper bar, and the two ends of the grounding outgoing line (2) respectively extend out of the top end and the bottom end of the protective belt (9).

5. A ground lead-out device for preventing seepage of groundwater according to claim 1, wherein: the outer side of the protection barrel (1) is provided with a connecting sleeve (11), the inner diameter of the connecting sleeve (11) is the same as the outer diameter of the protection barrel (1), and the outer side of the connecting sleeve (11) is fixedly connected with a lifting handle (12).

6. A ground lead-out device for preventing seepage of groundwater according to claim 1, wherein: the upper sealing block (4) and the lower sealing block (5) are both made of silica gel.

7. A ground lead-out device for preventing seepage of groundwater according to claim 1, wherein: upside between the lower surface of water inflation sealing rod (13) and the upper surface of seal ring (3) and between the upper surface of downside water inflation sealing rod (13) and the lower surface of seal ring (3) all be equipped with sealant layer (14), upper and lower both sides water inflation sealing rod (13) all are connected through bolt and a protection section of thick bamboo (1).

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