CN214797774U

CN214797774U - Foundation ground structure

Info

Publication number: CN214797774U
Application number: CN202121565284.0U
Authority: CN
Inventors: 劳柱荣
Original assignee: Guangdong Mingxing Power Engineering Co ltd
Current assignee: Guangdong Mingxing Power Engineering Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-11-19
Anticipated expiration: 2031-07-08

Abstract

The utility model belongs to the technical field of the technique of electric power system ground connection and specifically relates to a basic foundation ground structure is related to, including the ground connection row, the ground connection row includes a plurality of horizontal bars that are parallel to each other and a plurality of perpendicular billet that are parallel to each other, a plurality of horizontal bars and a plurality of perpendicular billet mutually perpendicular cross formation are netted, every horizontal bar all is equipped with locking Assembly with perpendicular billet intercrossing department, every locking Assembly all includes two latch segments, two latch segments all set up on horizontal bar and are located perpendicular billet both sides respectively, the joint groove has all been seted up to two latch segments set up one side relatively, erect the billet both sides and inlay respectively locate two joint inslot, and erect billet outer wall and horizontal billet outer wall looks butt, two latch segments are through predetermined retaining member fixed connection. This application can reduce the quantity of the welding point on the ground connection row, makes the ground connection row be difficult for being corroded to make the ground connection row can keep long-time normal use.

Description

Foundation ground structure

Technical Field

The application relates to the technical field of power system grounding, in particular to a foundation grounding structure.

Background

The grounding current of the power equipment in the power system caused by lightning strike or short circuit is very large, and for the needs of work and safety, a foundation grounding structure is often needed to be utilized to connect some parts of the power system and the electrical equipment thereof with the ground so as to protect the equipment and the human body safety.

The ground grounding structure is usually a power grounding grid, and includes a grid-shaped grounding bar buried underground, a leading-out wire electrically connected with the grounding bar, and a grounding wire, wherein one end of the leading-out wire far away from the grounding bar is connected with a grounding end of power system equipment, and one end of the grounding wire far away from the grounding bar is directly inserted underground.

However, since the grounding bar is formed in a grid shape by mutually and crossly welding a plurality of horizontal steel bars and a plurality of vertical steel bars, the grounding bar is easily corroded, and the grounding bar is not easy to keep normal use for a long time. Therefore, further improvements can be made.

SUMMERY OF THE UTILITY MODEL

In order that the grounding bar is not easy to corrode, so that the grounding bar can be kept in normal use for a long time, the application provides a foundation grounding structure.

The application provides a basic foundation ground structure adopts following technical scheme:

the utility model provides a basic foundation ground connection structure, includes the ground connection row, the ground connection row includes a plurality of horizontal billet that are parallel to each other and a plurality of perpendicular billet that are parallel to each other, and is a plurality of horizontal billet and a plurality of perpendicular billet mutually perpendicular cross formation are netted, every horizontal billet all is equipped with locking Assembly, every with perpendicular billet intercrossing department locking Assembly all includes two latch segments, two locking segments all set up on horizontal billet and are located perpendicular billet both sides respectively, two the latch segment sets up one side relatively and has all seted up the joint groove, erect the billet both sides and inlay respectively and locate two joint inslot, just erect billet outer wall and horizontal billet outer wall looks butt, two the latch segment is through predetermined retaining member fixed connection.

Through adopting the above-mentioned technical scheme, because erect billet outer wall and horizontal billet outer wall looks butt, make and to erect and can form electrically conductive connection between billet and the horizontal billet, the ground connection of being convenient for is arranged and is realized electrically conductive, and because erect the billet joint when the joint inslot, make and erect the billet and be difficult for taking place relative movement with horizontal billet, make between every horizontal billet and the perpendicular billet all can support tightly fixedly through two latch segments, can reduce the quantity of the welding point on the ground connection is arranged, make the ground connection arrange and be difficult for being corroded, so that the ground connection is arranged and can keep long-time normal use.

Optionally, each of the horizontal steel bars and the vertical steel bars includes a steel bar and a stainless steel layer wrapped on an outer wall of the steel bar.

By adopting the technical scheme, the stainless steel layer is arranged, so that the steel bar in the stainless steel layer is not easy to corrode, and the overall corrosion resistance of the grounding bar can be improved.

Optionally, the locking block includes a locking seat and a rubber sleeve, a sliding hole is formed in the locking seat, the rubber sleeve is installed in the sliding hole, and the horizontal steel bar slides in the rubber sleeve.

Through adopting above-mentioned technical scheme, after horizontal billet and perpendicular billet are locked each other, because the gum cover can increase the slip frictional force between horizontal billet and the latch segment, make horizontal billet be difficult for independently take place relative slip with the latch segment to make ground connection arrange and can keep normal operating condition.

Optionally, the joint groove is seted up in the locking seat side, every joint inslot wall all is equipped with the cushion, it is tight with the cushion to erect the billet outer wall.

By adopting the technical scheme, after the two locking blocks are locked by the locking parts, the vertical steel bars are not easy to slide relative to the locking blocks due to the fact that the friction force between the vertical steel bars and the rubber pads is larger, and the grounding bar can keep a normal working state; meanwhile, the rubber mat has elasticity, so that the abutting force between the transverse steel bars and the vertical steel bars can be enhanced, and the outer walls of the transverse steel bars can abut against the outer walls of the vertical steel bars.

Optionally, a zinc block is mounted on the ground bar.

By adopting the technical scheme, when the foundation grounding structure is corroded, the grounding bar can be protected by the zinc block because zinc can be corroded earlier than iron, so that the grounding bar is not easy to corrode.

Optionally, the ground bar is electrically connected to a plurality of ground wires, each ground wire is far away from one end of the ground bar and is directly inserted into the ground, and each ground wire is an angle steel.

Through adopting above-mentioned technical scheme, under the intensity of guaranteeing the earth connection and area of contact's the condition, set up the earth connection into the angle steel type, can save the preparation material of earth connection, can reduce foundation ground connection structure's cost of manufacture.

Optionally, the bottom end of each grounding wire is of an inverted sharp-corner structure.

Through adopting above-mentioned technical scheme, set up the bottom of earth connection into the structure of falling the closed angle, make the earth connection change in inserting ground, the installation of the earth connection of being convenient for.

Optionally, the length of each ground wire is 2.5 meters, and the distance between two adjacent ground wires is 6 meters.

By adopting the technical scheme, when the ground-in current occurs, the ground-in currents conducted on the two adjacent ground wires are not easy to influence each other, so that the ground wires can better embody the conductive effect.

Optionally, the locking member is a locking screw.

Through adopting above-mentioned technical scheme, set up the retaining member into locking screw, make the workman can fix two latch segments through screwing up the screw, the installation and the dismantlement of the ground connection row of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the number of welding points on the grounding bar can be reduced, so that the grounding bar is not easy to corrode, and the grounding bar can be normally used for a long time;

2. due to the stainless steel layer, the steel bar in the stainless steel layer is not easy to corrode, and the overall corrosion resistance of the grounding bar can be improved;

3. when the foundation grounding structure is corroded, the grounding bar can be protected by the zinc blocks, so that the grounding bar is not easy to corrode.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Description of reference numerals:

1. a ground bar; 11. a transverse steel bar; 12. Erecting the steel bars; 2. a locking assembly; 21. a locking block; 211. a locking seat; 212. A rubber sleeve; 3. a clamping groove; 4. a slide hole; 5. a rubber pad; 6. a zinc block; 7. a ground line; 8. an outgoing line; 9. and a locking member.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses basic foundation ground structure.

Referring to fig. 1, the foundation ground structure includes a ground bar 1 buried underground, an outgoing line 8 electrically connected to the ground bar 1, and a ground line 7, wherein one end of the outgoing line 8, which is far from the ground bar 1, is connected to a ground terminal of power system equipment, and one end of the ground line 7, which is far from the ground bar 1, is directly inserted underground.

When power equipment in the power system generates large ground current due to lightning strike or short circuit, the ground current can be guided to the grounding bar 1 and the grounding wire 7 through the outgoing line 8, and the ground current can be timely absorbed by the ground due to the fact that the grounding bar 1 and the grounding wire 7 are both embedded underground, so that the power equipment can be protected.

In this embodiment, the ground bar 1 includes a plurality of parallel horizontal bars 11 and a plurality of parallel vertical bars 12, the plurality of horizontal bars 11 and the plurality of vertical bars 12 are perpendicular to each other and cross to form a mesh, each horizontal bar 11 and each vertical bar 12 are in a square bar shape, and the bottom surface of each vertical bar 12 is attached to the top surface of the horizontal bar 11; each crossing of the horizontal steel bar 11 and the vertical steel bar 12 is provided with a locking assembly 2 for locking the horizontal steel bar 11 and the vertical steel bar 12.

Because the bottom surface of every vertical steel bar 12 all leans on in the top surface of horizontal steel bar 11, can form electrically conductive connection between messenger vertical steel bar 12 and the horizontal steel bar 11, the ground connection row 1 of being convenient for realizes electrically conductive effect, and locks horizontal steel bar 11 and vertical steel bar 12 through setting up locking Assembly 2, can reduce the quantity of the welding point on the ground connection row 1, makes ground connection row 1 be difficult to corroded to make ground connection row 1 can keep long-time normal use.

Referring to fig. 2, specifically, in this embodiment, each locking assembly 2 includes two locking blocks 21, and the two locking blocks 21 are disposed on the horizontal steel bar 11 and located on two sides of the vertical steel bar 12, respectively, each locking block 21 includes a locking seat 211 and a rubber sleeve 212, each locking seat 211 has a sliding hole 4, an inner contour of the sliding hole 4 matches an outer contour of the rubber sleeve 212, so that the rubber sleeve 212 can be fixed in the sliding hole 4, an inner contour of the rubber sleeve 212 matches an outer contour of the horizontal steel bar 11, so that the horizontal steel bar can be embedded in the rubber sleeve 212, and when the sliding seat is pushed, the sliding seat can slide on the horizontal steel bar 11, the opposite side of the two locking seats 211 has clamping grooves 3, each clamping groove 3 has a rubber pad 5, when the two locking seats 211 are pushed to move toward a direction close to the vertical steel bar 12, the two rubber pads 5 are matched with each other and clamped on an outer wall of the vertical steel bar 12, the two locking seats 211 after clamping are locked and fixed through a preset locking assembly 2.

After the horizontal steel bar 11 and the vertical steel bar 12 are locked with each other, the rubber sleeve 212 can increase the sliding friction force between the horizontal steel bar 11 and the locking block 21, so that the horizontal steel bar 11 is not easy to independently slide relative to the locking block 21, and the grounding bar 1 can keep a normal working state.

Simultaneously, through set up cushion 5 in joint groove 3, because the coefficient of friction of cushion 5 is bigger, make vertical steel bar 12 be difficult for taking place relative slip with locking seat 211, because locking seat 211 sets up on horizontal steel bar 11, make vertical steel bar 12 be difficult for taking place relative movement with horizontal steel bar 11, make between horizontal steel bar 11 and the vertical steel bar 12 can by reciprocal anchorage.

In this embodiment, retaining member 9 is locking screw, and threaded hole is all seted up to the top and the bottom of two locking seats 211, and is located the threaded hole one-to-one alignment on two locking seats 211, makes retaining member 9 can be with two threaded hole fixed connection that the correspondence was aligned to make two latch segments 21 lock each other.

The locking member 9 is provided as a locking screw, so that a worker can fix the two locking blocks 21 by tightening the screw, thereby facilitating the installation and the disassembly of the grounding bar 1.

In this embodiment, each of the horizontal steel bars 11 and the vertical steel bars 12 includes a steel bar and a stainless steel layer wrapped on the outer wall of the steel bar, and the thickness of the stainless steel layer is 0.5mm, so that neither the horizontal steel bar 11 nor the vertical steel bar 12 is easily corroded.

Due to the stainless steel layer, the steel bar in the stainless steel layer is not easy to corrode, and the overall corrosion resistance of the grounding bar 1 can be improved.

Referring to fig. 1, in the present embodiment, a plurality of zinc blocks 6 in a square shape are disposed on the top surface of the ground bar 1, and the bottom surface of each zinc block 6 is fixedly connected to the top surface of the vertical steel bar 12. When the foundation grounding structure is corroded, the zinc can be corroded earlier than iron, so that the grounding bar 1 can be protected by the zinc blocks 6, and the grounding bar 1 is not easy to corrode.

In the embodiment, each ground wire 7 is an angle steel, the top surface of the angle steel is fixedly connected with the ground bar 1, and the bottom surface of the angle steel is vertically inserted into the ground.

Under the condition of ensuring the strength and the contact area of the grounding wire 7, the grounding wire 7 is set to be of an angle steel type, so that the manufacturing material of the grounding wire 7 can be saved, and the manufacturing cost of the foundation grounding structure can be reduced.

In order to facilitate the installation of the grounding wires 7, in the embodiment, an inclined angle is cut at the end of each grounding wire 7 inserted into the bottom surface by a cutting mode, and the inclined edge of the inclined angle gradually shrinks inwards from top to bottom, so that the end of the grounding wire 7 inserted into the bottom surface forms an inverted sharp corner structure.

The bottom end of the grounding wire 7 is arranged to be of an inverted sharp-corner structure, so that the grounding wire 7 can be inserted into the ground more easily, and the grounding wire 7 can be mounted conveniently.

In the present embodiment, each ground wire 7 has a length of 2.5 meters, and the distance between two adjacent ground wires 7 is 6 meters.

The distance between the two grounding wires 7 is set to be 6 meters, and when the grounding current occurs, the grounding currents conducted on the two adjacent grounding wires 7 are not easy to influence each other, so that the grounding wires 7 can better embody the conductive function.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A foundation ground connection structure, includes ground connection row (1), ground connection row (1) includes a plurality of horizontal billet (11) that are parallel to each other and a plurality of vertical billet (12) that are parallel to each other, a plurality of horizontal billet (11) forms netted with a plurality of vertical billet (12) mutually perpendicular cross, its characterized in that: every horizontal billet (11) all are equipped with locking Assembly (2), every with perpendicular billet (12) intercrossing department locking Assembly (2) all include two latch segments (21), two latch segments (21) all set up on horizontal billet (11) and are located respectively perpendicular billet (12) both sides, two latch segments (21) set up one side relatively and have all seted up joint groove (3), erect billet (12) both sides and inlay respectively in two joint grooves (3), just erect billet (12) outer wall and horizontal billet (11) outer wall looks butt, two latch segments (21) are through predetermined retaining member (9) fixed connection.

2. A foundation ground-contacting structure according to claim 1, wherein: each horizontal steel bar (11) and each vertical steel bar (12) comprise a steel bar and a stainless steel layer wrapped on the outer wall of the steel bar.

3. A foundation ground-contacting structure according to claim 1, wherein: the locking block (21) comprises a locking seat (211) and a rubber sleeve (212), a sliding hole (4) is formed in the locking seat (211), the rubber sleeve (212) is installed in the sliding hole (4), and the transverse steel bar (11) slides in the rubber sleeve (212).

4. A foundation ground-contacting structure according to claim 3, wherein: the joint groove (3) is opened in the side of the locking seat (211), every joint groove (3) inner wall all is equipped with rubber mat (5), erect billet (12) outer wall and offset tightly with rubber mat (5).

5. A foundation ground-contacting structure according to claim 1, wherein: and a zinc block (6) is arranged on the grounding bar (1).

6. A foundation ground-contacting structure according to claim 1, wherein: the grounding bar (1) is conductively connected with a plurality of grounding wires (7), one end, far away from the grounding bar (1), of each grounding wire (7) is directly inserted into the ground, and each grounding wire (7) is an angle steel.

7. A foundation ground-contacting structure according to claim 6, wherein: the bottom end of each grounding wire (7) is of an inverted sharp-corner structure.

8. A foundation ground-contacting structure according to claim 6, wherein: the length of each grounding wire (7) is 2.5 meters, and the distance between every two adjacent grounding wires (7) is 6 meters.

9. A foundation ground-contacting structure according to claim 1, wherein: the locking piece (9) is a locking screw.