CN212462055U - Temporary ground rod fixing device for electrical system - Google Patents

Abstract

The utility model relates to a temporary grounding rod fixing device of an electrical system; comprises a temporary grounding rod, a fixed seat, a guide rod, a supporting seat and an L-shaped rod; the fixing seat is of a hollow structure, threaded holes are symmetrically formed in the fixing seat, a screw rod is screwed in the threaded holes, a clamping head is arranged at the inner side end of the screw rod, and a temporary grounding rod is clamped between the clamping heads; through holes are symmetrically formed in the fixed seat, guide rods are arranged in the through holes, and supporting seats are arranged on the bottom surfaces of the guide rods; the supporting seat is of a hollow structure, platforms are symmetrically arranged on the supporting seat, hinge lugs are arranged on the platforms, L-shaped rods are arranged in the hinge lugs, and clamping heads are arranged at the inner side ends of the L-shaped rods; this application sets up the interim earth bar of fixing base centre gripping, and the interim earth bar of cooperation supporting seat direction has avoided the staff to take place to pound the hand accident, has protected staff's safety, utilizes lever principle can easily extract interim earth bar simultaneously, has improved work efficiency.

Description

Temporary ground rod fixing device for electrical system

Technical Field

The utility model relates to an electric power construction equipment technical field, in particular to interim earth bar fixing device of electrical system.

Background

When power equipment breaks down or is overhauled, workers adopt a temporary grounding rod to enable overhauling equipment to be short-circuited to finish work in order to avoid the influence of power failure, and prevent sudden voltage from damaging operators or equipment, so that the safety protection tool is a common safety protection tool for an electrical facility working room; when the temporary grounding rod is used, 3.4.7 in the electric power safety work regulations (power line part) (trial) require that the buried depth of the grounding rod is not less than 60 cm.

The surface of the existing temporary grounding rod is smooth, and in the installation process, workers need to manually pound the temporary grounding rod into the ground by using an iron hammer; when the temporary grounding rod is hammered, a worker needs to hold the grounding rod with one hand and hold the hammer with the other hand, and the temporary grounding rod is hammered into the underground to a deeper depth, the hardness of underground soil is high, and the rod body is long and thin; firstly, the hands of the user are easy to hit; secondly, the hands of the user are easy to be injured by shocks; thirdly, the rod body is bent to influence the grounding resistance; when the temporary grounding rod is dismounted, the rod body is difficult to pull out smoothly due to the fact that the buried depth of the rod body is about 60cm, and the temporary grounding rod can only be discarded when the rod body cannot be pulled out.

Disclosure of Invention

The utility model aims to provide an electric system temporary ground rod fixing device, which adopts the clamping of a fixed seat and is matched with the guiding of a supporting seat; simultaneously, the lever is used for pulling out; the problems in the background art are effectively solved.

The utility model adopts the technical scheme as follows: a temporary grounding rod fixing device for an electrical system comprises a temporary grounding rod, a fixing seat, a guide rod, a supporting seat and an L-shaped rod; the fixing seat is of a hollow structure, threaded holes are transversely and longitudinally symmetrically formed in the side wall of the fixing seat, a screw rod is screwed in the threaded holes, a turntable is arranged at the outer side end of the screw rod, chucks are arranged at the inner side end of the screw rod, and a temporary grounding rod is clamped between the chucks; the utility model discloses a supporting seat, including fixing base, supporting seat, lateral wall, guide bar and through-hole clearance fit, the top surface symmetry of fixing base is equipped with the through-hole, be equipped with the guide bar in the through-hole, and guide bar and through-hole clearance fit, the bottom surface of guide bar is equipped with the supporting seat, the supporting seat is hollow structure, the lateral wall symmetry of supporting seat is equipped with the platform, the top surface of platform is equipped with articulated ear, be equipped with L type pole in the articulated ear, the.

Furthermore, the screw rod is connected with the chuck in a rotating mode.

Furthermore, the inner side of the chuck is provided with anti-skid protrusions.

Furthermore, the inner side of the supporting seat is provided with a guide ring, and the guide ring is formed by connecting C-shaped rings with opposite openings through bolts.

Furthermore, an oblique beam is arranged on the L-shaped rod.

The beneficial effects of the utility model reside in that:

1. this application sets up the interim earth bar of fixing base centre gripping, and the interim earth bar of cooperation supporting seat direction has avoided the staff to take place to pound the hand accident, has protected staff's safety, has improved work efficiency.

2. This application sets up the guide bar, has guaranteed that interim earth bar can pound into ground completely, and then guarantees that ground resistance satisfies the regulation requirement.

3. This application sets up the articulated L type pole of platform, utilizes lever principle, and two-sided while is from last down pressing, and the staff can easily dial out interim earth bar.

4. This application sets up chuck and guide ring and is the form of dismantling, the reuse of being convenient for.

5. The fixing base of this application upper end sets up the supporting seat setting guide ring of chuck cooperation lower extreme, has guaranteed that interim earth bar can be straight pounded into ground, and then guarantees that ground resistance satisfies the regulation requirement.

Drawings

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

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic perspective view of the fixing frame.

Fig. 4 is a schematic perspective view of the supporting frame.

Fig. 5 is a schematic structural view of the temporary grounding rod after being hammered in.

In the figure: the device comprises a temporary grounding rod 1, a fixed seat 2, a threaded hole 2-1, a through hole 2-2, a guide rod 3, a supporting seat 4, an L-shaped rod 5, a screw rod 6, a turntable 7, a chuck 8, a platform 9, a hinge lug 10, a guide ring 11 and an oblique beam 12.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a temporary grounding rod fixing device of an electrical system comprises a temporary grounding rod 1, a fixed seat 2, a guide rod 3, a supporting seat 4 and an L-shaped rod 5; the fixing seat 2 is of a hollow structure, threaded holes 2-1 are transversely and longitudinally symmetrically machined in the side wall of the fixing seat 2, a screw 6 is screwed into the threaded holes 2-1, and the temporary grounding rod 1 is stably clamped by multiple layers of clamping; the outer side end of the screw rod 6 is welded with the turntable 7, so that workers can tighten the turntable conveniently; a chuck 8 is welded at the inner side end of the screw rod 6, preferably, the chuck 8 is connected with the screw rod 6 in a rotating mode, and an anti-skid protrusion (not shown in the figure) is processed at the inner side of the chuck 8 to avoid displacement after the temporary grounding rod 1 is clamped; a temporary grounding rod 1 is clamped between the chucks 8; the top surface of the fixed seat 2 is symmetrically provided with through holes 2-2, guide rods 3 are sleeved in the through holes 2-2, the guide rods 3 are in clearance fit with the through holes 2-2, and the movement process is as follows: the temporary grounding rod 1 moves downwards all the time, and the fixed seat 2 moves downwards synchronously along the guide rod 3, so that the temporary grounding rod 1 can be guaranteed to be completely hammered into the ground, and further the grounding resistance is guaranteed to meet the requirement of regulations; the bottom surface of the guide rod 3 is welded with the supporting seat 4, the fixing seat 2 is arranged to clamp the temporary grounding rod 1, and the temporary grounding rod 1 is guided by matching with the supporting seat 4, so that the hand-hitting accident of workers is avoided, and the working efficiency and the safety are improved; the supporting seat 4 is of a hollow structure, a guide ring 11 is welded on the inner side of the supporting seat 4, a clamping head 8 is arranged on a fixed seat 2 at the upper end of the supporting seat and is matched with the supporting seat 4 at the lower end of the supporting seat to arrange the guide ring 11, so that the temporary grounding rod 1 can be straightly hammered into the ground, and the grounding resistance can be guaranteed to meet the requirement of regulations; the guide ring 11 is formed by connecting C-shaped rings with opposite openings through bolts, can be disassembled, and is convenient to recycle; the welding platforms 9 are symmetrically arranged on the outer side wall of the supporting seat 4, so that the whole structure is more stable; the top surface of the platform 9 is welded with a hinge lug 10, an L-shaped rod 5 is arranged in the hinge lug 10, and by utilizing the lever principle, the two surfaces of the L-shaped rod are pressed from top to bottom simultaneously, so that a worker can easily pull out the temporary grounding rod 1; an oblique beam 12 is welded on the L-shaped rod 5, so that the L-shaped rod 5 is uniformly stressed; the inner side end of the L-shaped rod 5 is welded with the chuck 8, and an anti-skid protrusion (not shown in the figure) is processed on the inner side of the chuck 8, so that the temporary grounding rod 1 is prevented from being displaced when being pulled out.

The working process of the device is as follows: when deep burying operation is needed, the hitting position of the temporary grounding rod 1 is selected, the screw 6 is rotated to ensure that the chuck 8 firmly clamps the temporary grounding rod 1, the tip end of the temporary grounding rod 1 is contacted with the ground in the guide ring 11 at the moment, the L-shaped rod 5 is rotated outwards, a worker hits the tail end of the temporary grounding rod 1 by a hammer, the temporary grounding rod 1 moves downwards all the time in the process, the fixed seat 2 synchronously moves downwards along the guide rod 3 until the fixed seat 2 is contacted with the supporting seat 4, and the deep burying operation of the temporary grounding rod 1 is completed; when the temporary grounding rod 1 needs to be pulled out, the L-shaped rod 5 is rotated inwards, the chuck 8 firmly clamps the temporary grounding rod 1, the two sides of the temporary grounding rod are pressed from top to bottom simultaneously, and a worker can easily pull out the temporary grounding rod 1; this application sets up 2 centre gripping temporary ground rod 1 of fixing base, and the temporary ground rod 1 of 4 direction of cooperation supporting seat has avoided the staff to take place to pound the hand accident, has protected staff's safety, utilizes lever principle can easily extract temporary ground rod 1 simultaneously, has improved work efficiency.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, or equivalent changes and modifications can be made to some of the technical features of the embodiments described above, and any changes, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. A temporary grounding rod fixing device for an electrical system comprises a temporary grounding rod, a fixing seat, a guide rod, a supporting seat and an L-shaped rod; the grounding device is characterized in that the fixed seat is of a hollow structure, threaded holes are symmetrically formed in the side wall of the fixed seat, a screw rod is screwed in the threaded holes, a turntable is arranged at the outer side end of the screw rod, chucks are arranged at the inner side end of the screw rod, and a temporary grounding rod is clamped between the chucks; through holes are symmetrically formed in the top surface of the fixed seat, guide rods are arranged in the through holes and are in clearance fit with the through holes, and supporting seats are arranged on the bottom surfaces of the guide rods; the supporting seat is of a hollow structure, the outer side wall of the supporting seat is symmetrically provided with a platform, the top surface of the platform is provided with a hinge lug, an L-shaped rod is arranged in the hinge lug, and the inner side end of the L-shaped rod is provided with a chuck.

2. A temporary ground rod fixing device for an electrical system as claimed in claim 1, wherein said screw is connected to said chuck in a rotatable manner.

3. A temporary earth rod attachment for electrical systems according to claim 1, wherein said clip is provided with anti-slip protrusions on the inside thereof.

4. The temporary earth rod fixing device for electric system as claimed in claim 1, wherein said supporting seat is provided with a guiding ring at its inner side, said guiding ring is formed by connecting C-shaped rings with opposite openings by bolts.

5. A temporary earth rod attachment for electrical systems according to claim 1, wherein said L-shaped bar is provided with a diagonal beam.

Images