CN212934877U

CN212934877U - A ground protection device for electric power construction

Info

Publication number: CN212934877U
Application number: CN202022107694.2U
Authority: CN
Inventors: 邹璇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-04-09
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a ground protection device for electric power construction, which comprises a ground rod, wherein the top end of the ground rod is movably connected with a lead screw, the top end of the lead screw is provided with a wiring mechanism, the bottom of the ground rod is provided with a conical head, the surface of the ground rod close to the bottom is provided with a groove, the groove is of an annular structure, the groove is movably connected with a fixed plate, the middle part of the fixed plate is provided with a through hole, a sliding sleeve is fixedly connected in the through hole, when in use, an electric wire is clamped in a clamping groove between a first clamping block and a second clamping block, at the moment, an elastic sheet is in surface contact with the electric wire, then a thread sleeve is rotated to lead the thread sleeve to push a movable seat to move downwards, so that the second clamping block is clamped and fixed to the electric wire, after the position of the second clamping block is adjusted, a locking nut is screwed, so that the locking nut is in close contact with the bottom of the movable seat, and the movable seat is fixed.

Description

A ground protection device for electric power construction

Technical Field

The utility model relates to a ground protection device technical field specifically is a ground protection device for electric power construction.

Background

Electric power engineering, i.e. engineering related to the production, transmission, distribution of electric energy, also broadly includes engineering of electricity as a power and energy source for applications in various fields.

The protective grounding is grounding for preventing the safety of people and equipment from being endangered by electrification of metal shells of electrical devices, frameworks of power distribution devices, line towers and the like. The protection grounding is a protection wiring mode for reliably connecting an electric appliance metal part (namely a metal structure part insulated from a charged part) which is not charged under normal conditions and can be charged under the condition that an insulating material is damaged or under other conditions with a grounding body by using a lead. Ground protection is generally used in power supply systems in which the neutral point of a distribution transformer is not directly grounded (three-phase three-wire system) to ensure that the voltage to ground generated when electrical equipment leaks electricity due to insulation damage does not exceed a safe range.

The existing grounding device is not easy to operate, the depth of the grounding device inserted into the ground can not be adjusted, and therefore the grounding device can not be flexibly adjusted according to the terrain environment, grounding firmness is poor, the grounding device can be easily separated from the ground, safety is poor, in addition, the existing grounding protection device is not firm enough for clamping the electric wire, the electric wire is easy to loosen, and potential safety hazards are brought to workers.

Disclosure of Invention

An object of the utility model is to provide a ground protection device for electric power construction to solve the problem that proposes among the above-mentioned background art.

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

a ground protection device for electric power construction comprises a ground rod, wherein a lead screw is movably connected to the top end of the ground rod, a wiring mechanism is arranged at the top end of the lead screw, a conical head is arranged at the bottom of the ground rod, a groove is formed in the surface, close to the bottom, of the ground rod, the groove is of an annular structure, a fixed plate is movably connected to the groove, a through hole is formed in the middle of the fixed plate, a sliding sleeve is fixedly connected into the through hole, the sliding sleeve is sleeved outside the groove and is in sliding connection with the groove, the sliding sleeve is fixedly connected with the groove through a bolt, and ground inserting rods are arranged on two sides of the bottom;

the wiring mechanism comprises a fixed seat, wherein a first clamping block is arranged in the middle of the upper surface of the fixed seat, studs are arranged on two sides of the upper surface of the fixed seat, a movable seat is connected to the studs in a sliding manner, threaded sleeves are rotatably connected to the two sides of the upper surface of the movable seat and the joints of the studs through bearings, locking nuts are rotatably connected to the studs below the movable seat, a second clamping block is arranged in the middle of the bottom of the movable seat and corresponds to the first clamping block, clamping grooves are formed in the opposite sides of the first clamping block and the second clamping block, three elastic sheets are uniformly distributed on the inner wall of each clamping groove, when the wiring mechanism is used, an electric wire is clamped in the clamping grooves between the first clamping block and the second clamping block, the elastic sheets are in surface contact with the electric wire, then the threaded sleeves are rotated to push the movable seat to move downwards, so that the second clamping blocks are clamped towards the first clamping block, thereby clamping and fixing the electric wire, after the position of the second clamping block is adjusted, the locking nut is screwed to enable the locking nut to be in close contact with the bottom of the movable seat, thereby fixing the movable seat, preventing the movable seat from loosening, being beneficial to stably clamping the electric wire, improving the safety, playing a good extrusion force on the electric wire under the action of the elastic sheet to enable the electric wire to be firmer, playing a protection role on the electric wire, being capable of adjusting the height of the fixed plate through the sliding connection of the sliding sleeve and the groove, thereby adjusting the depth of the grounding rod inserted into the ground according to the terrain environment, improving the flexibility, further enabling the device to be more firmly grounded, enabling the device to have a fixing force in the horizontal direction under the action of the fixed plate and the ground inserting rod, increasing the contact area with the ground, improving the stability and having high safety, stability is strong, through setting up lead screw and earth bar swing joint, is convenient for adjust the height of mechanism of acting as go-between to make the device can carry out the regulation of height according to actual conditions, adapt to the fixed of not co-altitude electric wire, the flexibility is stronger, thereby has improved the device's utilization ratio.

As a further aspect of the present invention: the ground rod is provided with the cell body in the top department that is located the recess, the cell body inner wall is provided with the internal thread, lead screw and internal thread threaded connection, through the cooperation between internal thread and the lead screw, only need through rotating the lead screw, can adjust the height of lead screw, very convenient and fast.

As a further aspect of the present invention: the utility model discloses a lead screw, including ground bar, screw hole, jackscrew tip and lead screw surface contact, the ground bar is close to top one side and is provided with the screw hole, the screw hole is linked together with the cell body, the screw hole rotates and is connected with the jackscrew, jackscrew tip and lead screw surface contact through rotating the jackscrew for jackscrew and lead screw surface in close contact with firmly fix the lead screw, prevent that the not hard up phenomenon of lead screw from taking place.

As a further aspect of the present invention: the surface of recess is provided with the opening, the opening runs through the recess, just the surface of sliding sleeve is provided with the through-hole, the through-hole runs through the sliding sleeve, the bolt runs through-hole and opening and through nut fixed connection, when adjusting the height of sliding sleeve, passes through-hole and opening with the bolt to screw up the nut, thereby it is fixed to lock the sliding sleeve.

As a further aspect of the present invention: the centre gripping groove is "V" type structure, and is three the flexure strip is arc distribution on centre gripping inslot wall, through setting up the centre gripping groove into "V" type structure to under the effect of flexure strip, make the avris atress of electric wire even, thereby carry out firmly fixed to the electric wire.

As a further aspect of the present invention: the upper surface both sides of first grip block all are provided with the guide post, second grip block bottom corresponds with the guide post and is provided with the guide way, guide post and guide way sliding connection through the cooperation between guide post and the guide way, have played limiting displacement to first grip block and second grip block for it is more firm to fix the electric wire.

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

1. during the use, block the electric wire in the centre gripping groove between first grip block and the second grip block, elastic sheet and electric wire surface contact this moment, then rotate the thread bush, make the thread bush promote the sliding seat and move down, thereby make the second grip block to first grip block card advance, thereby press from both sides tight fixedly to the electric wire, after the position of second grip block has been adjusted, through twisting lock nut, make lock nut and sliding seat bottom in close contact with, thereby fix the sliding seat, prevent that the not hard up phenomenon of sliding seat from taking place, be favorable to the firm centre gripping to the electric wire, the security has been improved, and under the effect of elastic sheet, not only play fine extrusion force to the electric wire, make it more firm, still play the guard action to the electric wire.

2. Through sliding sleeve and recess sliding connection, can highly adjust the fixed plate, thereby can adjust the degree of depth that the earth bar inserted into the ground bottom according to the relief environment, the flexibility has been improved, thereby make the device ground connection more firm, and under the effect of fixed plate and earth bar, make the device have the fixed power of horizontal direction, the area of contact with ground has been strengthened, stability is improved, high safety, high stability, through setting up lead screw and earth bar swing joint, be convenient for highly adjust the mechanism of acting as go-between, thereby make the device can carry out high regulation according to actual conditions, adapt to the fixed of not co-altitude electric wire, flexibility is stronger, thereby the device's utilization ratio has been improved.

3. Through the cooperation between internal thread and the lead screw, only need through rotating the lead screw, can highly adjust the lead screw, very convenient and fast, through rotating the jackscrew, make jackscrew and lead screw surface in close contact with, thereby firmly fix the lead screw, prevent that the not hard up phenomenon of lead screw from taking place, when adjusting the height of sliding sleeve, pass through-hole and opening with the bolt, and screw up the nut, thereby it is fixed to lock the sliding sleeve, through setting up the centre gripping groove into "V" type structure, and under the effect of flexure strip, make the avris atress of electric wire even, thereby carry out firm fixing to the electric wire, cooperation through between guide post and the guide way, spacing effect has been played first grip block and second grip block, make it more firm to fix the electric wire.

Drawings

Fig. 1 is a schematic structural diagram of a ground protection device for power construction.

Fig. 2 is a schematic structural diagram of a wiring mechanism in a ground protection device for electric power construction.

Fig. 3 is a schematic structural diagram of a ground rod in a ground protection device for power construction.

Fig. 4 is a schematic structural diagram of a ground rod in a ground protection device for power construction.

In the figure: 1. a ground rod; 2. a conical head; 3. a groove; 4. a fixing plate; 5. a ground inserting rod; 6. a sliding sleeve; 7. a wiring mechanism; 8. a fixed seat; 9. a first clamping block; 10. a stud; 11. a movable seat; 12. a threaded sleeve; 13. locking the nut; 14. a second clamping block; 15. an elastic sheet; 16. a guide post; 17. a guide groove; 18. an opening; 19. carrying out top thread; 20. a trough body; 21. a threaded hole; 22. and a screw rod.

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 to 4, in the embodiment of the present invention, a ground protection device for electric power construction includes a ground rod 1, a lead screw 22 is movably connected to a top end of the ground rod 1, a wiring mechanism 7 is arranged on a top end of the lead screw 22, a conical head 2 is arranged at a bottom of the ground rod 1, a groove 3 is arranged on a surface of the ground rod 1 close to the bottom, the groove 3 is of an annular structure, a fixed plate 4 is movably connected to the groove 3, a through hole is arranged at a middle portion of the fixed plate 4, a sliding sleeve 6 is fixedly connected to the through hole, the sliding sleeve 6 is sleeved outside the groove 3 and is slidably connected to the groove 3, the sliding sleeve 6 is fixedly connected to the groove 3 through a bolt, and ground insertion rods 5 are arranged on two sides of the bottom; wiring mechanism 7 includes

fixing base

8, 8 upper surface middle parts of fixing base are provided with

first grip block

9, 8 upper surface both sides of fixing base all are provided with double-screw bolt 10, sliding connection has sliding seat 11 on the double-

screw bolt

10, 11 upper surface both sides of sliding seat are rotated through the bearing with double-screw bolt 10 junction and are connected with thread bush 12, double-screw bolt 10 is located 11 below departments of sliding seat and rotates and be connected with

lock nut

13, 11 bottom middle parts of sliding seat correspond with first grip block 9 and are provided with second grip block 14, first grip block 9 all is provided with the centre gripping groove with the relative one side of second grip block 14, centre gripping inslot wall is provided with three evenly distributed's flexure strip 15.

When in use, the electric wire is clamped in the clamping groove between the first clamping block 9 and the second clamping block 14, the elastic sheet 15 is contacted with the surface of the electric wire at the moment, then the threaded sleeve 12 is rotated, the threaded sleeve 12 pushes the movable seat 11 to move downwards, so that the second clamping block 14 is clamped into the first clamping block 9, the electric wire is clamped and fixed, after the position of the second clamping block 14 is adjusted, the locking nut 13 is tightly contacted with the bottom of the movable seat 11 by screwing the locking nut 13, so that the movable seat 11 is fixed, the loose phenomenon of the movable seat 11 is prevented, the electric wire is stably clamped, the safety is improved, under the action of the elastic sheet 15, the electric wire not only has good extrusion force and is firmer, but also has a protection effect on the electric wire, and the height of the fixing plate 4 can be adjusted by the sliding connection of the sliding sleeve 6 and the groove 3, thereby can adjust the degree of depth that earth bar 1 injects the ground into according to the relief environment, the flexibility has been improved, thereby make the device ground connection more firm, and under fixed plate 4 and the effect of inserting ground pole 5, make the device have the fixed power of horizontal direction, the area of contact with ground has been increaseed, stability is improved, high safety, high stability, through setting up

lead screw

22 and 1 swing joint of earth bar, be convenient for adjust the height of mechanism 7 of being qualified for the next round of competitions, thereby make the device can carry out the regulation of height according to actual conditions, adapt to the fixed of not high electric wire, the flexibility is stronger, thereby the utilization ratio of the device has been improved.

The ground rod 1 is provided with a groove body 20 above the groove 3, an inner thread is arranged on the inner wall of the groove body 20, and the screw rod 22 is in threaded connection with the inner thread.

Through the cooperation between internal thread and the lead screw 22, only need through rotating lead screw 22, can adjust the height of lead screw 22, very convenient and fast.

One side of the grounding rod 1 close to the top end is provided with a threaded hole 21, the threaded hole 21 is communicated with a groove body 20, the threaded hole 21 is rotatably connected with a jackscrew 19, and the end part of the jackscrew 19 is in surface contact with a screw rod 22.

The jackscrew 19 is rotated to enable the jackscrew 19 to be in close contact with the surface of the screw rod 22, so that the screw rod 22 is firmly fixed, and the phenomenon that the screw rod 22 is loosened is prevented.

The surface of recess 3 is provided with opening 18, opening 18 runs through recess 3, just the surface of sliding sleeve 6 is provided with the through-hole, the through-hole runs through sliding sleeve 6, the bolt runs through-hole and opening 18 and passes through nut fixed connection.

When the height of the sliding sleeve 6 is adjusted, the bolt passes through the through hole and the opening 18, and the nut is screwed, so that the sliding sleeve 6 is locked and fixed.

The clamping groove is of a V-shaped structure, and the three elastic pieces 15 are distributed on the inner wall of the clamping groove in an arc shape.

Through setting up the centre gripping groove to "V" type structure to under the effect of flexure strip 15, make the avris atress of electric wire even, thereby carry out firmly fixed to the electric wire.

Guide posts 16 are arranged on two sides of the upper surface of the first clamping block 9, guide grooves 17 are correspondingly formed in the bottoms of the second clamping blocks 14 and the guide posts 16, and the guide posts 16 are connected with the guide grooves 17 in a sliding mode.

Through the cooperation between guide post 16 and the guide way 17, played limiting displacement to first grip block 9 and second grip block 14 for it is more firm to fix the electric wire.

The utility model discloses a theory of operation is:

when in use, the electric wire is clamped in the clamping groove between the first clamping block 9 and the second clamping block 14, the elastic sheet 15 is contacted with the surface of the electric wire at the moment, then the threaded sleeve 12 is rotated, the threaded sleeve 12 pushes the movable seat 11 to move downwards, so that the second clamping block 14 is clamped into the first clamping block 9, the electric wire is clamped and fixed, after the position of the second clamping block 14 is adjusted, the locking nut 13 is tightly contacted with the bottom of the movable seat 11 by screwing the locking nut 13, so that the movable seat 11 is fixed, the loose phenomenon of the movable seat 11 is prevented, the electric wire is stably clamped, the safety is improved, under the action of the elastic sheet 15, the electric wire not only has good extrusion force and is firmer, but also has a protection effect on the electric wire, and the height of the fixing plate 4 can be adjusted by the sliding connection of the sliding sleeve 6 and the groove 3, therefore, the depth of the ground rod 1 inserted into the ground can be adjusted according to the terrain environment, the flexibility is improved, the grounding of the device is firmer, the device has fixing force in the horizontal direction under the action of the fixing plate 4 and the ground rod 5, the contact area with the ground is enlarged, the stability is improved, the safety is high, the stability is strong, the height of the wiring mechanism 7 is convenient to adjust by arranging the screw rod 22 and the ground rod 1 in movable connection, the height of the device can be adjusted according to actual conditions, the device is suitable for fixing electric wires with different heights, the flexibility is strong, the utilization rate of the device is improved, the height of the screw rod 22 can be adjusted by matching the internal thread with the screw rod 22 only by rotating the screw rod 22, the device is very convenient and quick, and the jackscrew 19 is in close contact with the surface of the screw rod 22 by rotating the jackscrew 19, thereby firmly fix lead screw 22, prevent that the not hard up phenomenon of lead screw 22 from taking place, when adjusting the height of sliding sleeve 6, pass through-hole and opening 18 with the bolt, and screw up the nut, thereby it is fixed to lock sliding sleeve 6, through setting up the centre gripping groove into "V" type structure, and under the effect of flexure strip 15, make the avris atress of electric wire even, thereby carry out firmly fixing to the electric wire, through the cooperation between guide post 16 and the guide way 17, spacing effect has been played first grip block 9 and second grip block 14, make fixed more firm to the electric wire.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A grounding protection device for electric power construction comprises a grounding rod (1) and is characterized in that, the top end of the grounding rod (1) is movably connected with a screw rod (22), the top end of the screw rod (22) is provided with a wiring mechanism (7), a conical head (2) is arranged at the bottom of the grounding rod (1), a groove (3) is arranged on the surface of the grounding rod (1) close to the bottom, the groove (3) is of an annular structure, a fixing plate (4) is movably connected on the groove (3), a through hole is arranged in the middle of the fixing plate (4), a sliding sleeve (6) is fixedly connected in the through hole, the sliding sleeve (6) is sleeved outside the groove (3) and is connected with the groove (3) in a sliding way, the sliding sleeve (6) is fixedly connected with the groove (3) through a bolt, and two sides of the bottom of the fixed plate (4) are provided with ground inserting rods (5);

wiring mechanism (7) are including fixing base (8), fixing base (8) upper surface middle part is provided with first grip block (9), the upper surface both sides of fixing base (8) all are provided with double-screw bolt (10), sliding connection has sliding seat (11) on double-screw bolt (10), sliding seat (11) upper surface both sides are rotated through the bearing with double-screw bolt (10) junction and are connected with thread bush (12), double-screw bolt (10) are located sliding seat (11) below department and rotate and are connected with lock nut (13), sliding seat (11) bottom middle part corresponds with first grip block (9) and is provided with second grip block (14), first grip block (9) all are provided with the centre gripping groove with second grip block (14) relative one side, centre gripping inslot wall is provided with three evenly distributed's flexure strip (15).

2. The ground protection device for power construction according to claim 1, wherein a groove body (20) is arranged above the groove (3) of the ground rod (1), an internal thread is arranged on the inner wall of the groove body (20), and the screw rod (22) is in threaded connection with the internal thread.

3. The ground protection device for electric power construction according to claim 1, wherein a threaded hole (21) is formed in one side, close to the top end, of the ground rod (1), the threaded hole (21) is communicated with the groove body (20), a jackscrew (19) is rotatably connected to the threaded hole (21), and the end portion of the jackscrew (19) is in surface contact with the screw rod (22).

4. The ground protection device for power construction according to claim 1, wherein the surface of the groove (3) is provided with an opening (18), the opening (18) penetrates through the groove (3), the surface of the sliding sleeve (6) is provided with a through hole, the through hole penetrates through the sliding sleeve (6), and the bolt penetrates through the through hole and the opening (18) and is fixedly connected through a nut.

5. The ground protection device for power construction as claimed in claim 1, wherein the clamping groove is of a V-shaped structure, and three elastic pieces (15) are distributed on the inner wall of the clamping groove in a circular arc shape.

6. The ground protection device for power construction is characterized in that guide posts (16) are arranged on two sides of the upper surface of the first clamping block (9), guide grooves (17) are formed in the bottom of the second clamping block (14) corresponding to the guide posts (16), and the guide posts (16) are in sliding connection with the guide grooves (17).