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CN-122026136-A - Tower foundation grounding system

CN122026136ACN 122026136 ACN122026136 ACN 122026136ACN-122026136-A

Abstract

The application discloses a grounding system of a pole tower foundation, which relates to the technical field of pole towers and comprises a grounding device used for electricity conduction and a base used as a supporting pole tower, wherein the grounding device comprises a grounding wire connected with the pole tower and a metal structure buried underground, the grounding wire penetrates into the interior of the pole tower at least at the lower part of the pole tower, an intermediate transition device is inserted into the base, the grounding wire in the pole tower is electrically connected with the metal structure through the intermediate transition device, the intermediate transition device comprises a shell and a grounding pole I vertically arranged in the shell, the shell is vertically arranged in the base, the upper end of the grounding pole extends out of the shell and is connected with the grounding wire in the pole tower, a channel communicated with the lower part of the shell is arranged at the upper part of the base, a sealing cover used as a closed opening is arranged at the opening of the upper part of the base, and a transfer mechanism used for supporting the shell is arranged in the channel. The application has the effect of reducing the possibility of accidental damage of the grounding structure of the tower due to the exposure.

Inventors

  • SUN JIALIANG
  • ZHU BAOXING
  • Feng Pingyong
  • TAN JIAWEI
  • LIANG JINGFENG

Assignees

  • 阳江市凯源电力设计有限公司

Dates

Publication Date
20260512
Application Date
20260313

Claims (9)

  1. 1. The grounding system for the tower foundation comprises a grounding device used as power conduction and a base (2) used as a supporting rod tower, and is characterized in that the grounding device comprises a grounding wire (1) of the connecting rod tower and a metal structure buried underground, the grounding wire (1) penetrates into the interior of the tower at least at the lower part of the tower, an intermediate transition device (3) is inserted into the base (2), and the grounding wire (1) in the tower is electrically connected with the metal structure through the intermediate transition device (3).
  2. 2. The grounding system of a tower foundation according to claim 1, wherein the middle transition device (3) comprises a shell (31) and a first grounding rod (32) vertically arranged in the shell (31), the first grounding rod (32) is vertically arranged in the base (2), the upper end of the first grounding rod (32) extends out of the shell (31) and is connected with a grounding wire (1) in the tower, an opening at the upper part of the base (2) is formed and is provided with a channel communicated with the lower part of the shell (31), the height of the channel is not smaller than that of the shell (31), a sealing cover (4) serving as a closed opening is arranged at the opening at the upper part of the base (2), a transfer mechanism (5) serving as a supporting shell (31) is arranged in the channel, the transfer mechanism (5) comprises a moving block (51) positioned below the shell (31) and a second grounding rod (52) vertically arranged in the moving block (51), the upper end of the second grounding rod (52) is connected with the first grounding rod (32) and the lower end of the second grounding rod is connected with the metal structure at the lower end of the pre-buried bottom.
  3. 3. The grounding system of a tower foundation according to claim 2, wherein the transfer mechanism (5) further comprises an elastic layer (53) transversely arranged in the moving block (51), the elastic layer (53) separates the moving block (51) into an upper block (511) and a lower block (512), the upper block (511) is concave towards the middle part of the lower block (512), the middle part of the lower block (512) is provided with a corresponding protrusion, the grounding rod II (52) penetrates through the upper block (511), the elastic layer (53) and the lower block (512), and a grabbing grip (54) used for taking out the moving block (51) is fixed on one side, close to an opening of the base (2), of the upper block (511).
  4. 4. A grounding system for a tower foundation according to claim 3, wherein the transfer mechanism (5) further comprises a telescopic unit (55), the telescopic unit (55) comprises a rotating wheel (551) and a spring (552) arranged on an inner shaft rod of the rotating wheel (551), the rotating wheel (551) is vertically arranged in a channel of the base (2) and far away from an opening of the base (2), the ground metal structure is connected with another section of grounding wire (1), the grounding wire (1) bypasses the rotating wheel (551) from bottom to top and transversely penetrates into the side part of the lower block (512) and is connected to the lower end of the grounding rod II (52), the displacement of the grounding wire (1) drives the rotating wheel (551) to synchronously rotate, the spring (552) surrounds the rotating wheel (551) and one end of the spring is extended out of the rotating wheel (551) and is fixed on the lower side of the grounding wire (1), one corner of the bottom of the lower block (512) close to the inner side of the channel is provided with a notch with a height which is not smaller than that of the rotating wheel (551), and the notch faces the rotating wheel (551).
  5. 5. The grounding system of a tower foundation according to claim 4, further comprising a fixing mechanism (6), wherein the fixing mechanism (6) comprises a sleeve ring (61), a vertical rod (62) and a sleeve (63), the side portion of the sleeve ring (61) is fixed on the inner side of an opening of the base (2), the sleeve ring (61) is located above a grounding wire (1) in a channel of the base (2), the vertical rod (62) vertically penetrates the sleeve ring (61) and is temporarily fixed, the sleeve (63) is detachably connected to the lower end of the vertical rod (62), a locking unit (64) is fixed at the lower end of the sleeve (63), and a groove used for clamping the grounding wire (1) by the locking unit (64) is formed in the base (2) below the locking unit (64).
  6. 6. A foundation grounding system according to claim 5, wherein said fixing means (6) further comprises a bending rod (65), one end of said bending rod (65) is detachably connected to the upper end of said vertical rod (62), the other end of said bending rod extends upwards and bends, a through cavity is provided in the middle part of said grip (54), and said bending rod (65) is used to extend into the cavity of said grip (54) and to hook said grip (54).
  7. 7. A grounding system for a foundation of a pole tower according to claim 6, wherein the fixing mechanism (6) further comprises a bolt (66) for temporarily fixing the shell (31), a hole is formed in the lateral portion of the shell (31), the bolt (66) is transversely arranged in the base (2) in a penetrating mode, one end of the bolt (66) extends into the hole in the lateral portion of the shell (31), and the other end of the bolt extends out of the inner side of the opening of the base (2).
  8. 8. The grounding system of a tower foundation according to claim 7, further comprising a drainage mechanism (7), wherein the drainage mechanism (7) comprises a drainage pipe (71), the drainage pipe (71) is vertically embedded below a channel of the base (2), one end of the drainage pipe (71) is communicated with the bottom of the channel of the base (2), the other end of the drainage pipe is bent for a plurality of times and extends downwards into a drainage channel preset in the base (2), a floating ball (72) used for preventing water accumulation from flowing backwards is arranged in the drainage pipe (71), the diameter of the floating ball (72) is at least smaller than the diameter of the drainage pipe (71), and the diameter of an opening of the drainage pipe (71) communicated with the base (2) is at least smaller than the diameter of the floating ball (72).
  9. 9. The grounding system of a tower foundation according to claim 8, further comprising an inspection mechanism (8), wherein the inspection mechanism (8) is installed inside the moving block (51), the inspection mechanism (8) at least comprises a power supply module (81), a signal transmission module (82), a controller (83) and a detection circuit composed of a detection unit, and the signal transmission module (82) and the detection unit are electrically connected to the controller (83); A loop rod (33) is further fixed in the shell (31) of the intermediate transition device (3), the upper end of the loop rod (33) extends out of the shell (31), is bent and connected to the side part of the first grounding rod (32), the lower end of the loop rod (33) extends out of the shell (31) and is connected to one end of a detection circuit in the moving block (51), and the second grounding rod (52) is electrically connected to the other end of the detection circuit to form a loop; the controller (83) is configured to: acquiring a real-time current value I1 detected by a detection unit; If the real-time current value I1 exceeds the preset current safety threshold I0, warning information is fed back to the mobile end of the staff through the signal transmission module (82).

Description

Tower foundation grounding system Technical Field The application relates to the technical field of towers, in particular to a tower foundation grounding system. Background The main network is a power transmission and transformation network, and in the process of carrying out power transmission and transformation by the main network and the main network, besides facilities such as cables, the main network is an important facility such as a tower, wherein the tower is a pole-shaped or tower-shaped structure which supports overhead transmission line wires and overhead ground wires and keeps a certain distance between the overhead transmission line wires and the overhead ground wires and the ground, such as a telegraph pole, a power tower and the like, and in order to reduce transmission line faults and damages caused by lightning strokes and the like, the tower is generally provided with a grounding system for preventing lightning damages. The grounding structure adopted by the existing partial pole tower is as follows: Arranging a grounding wire along a concrete structure of the telegraph pole exposed on the ground and extending downwards to be inserted into the ground; And (3) arranging a grounding wire for the power tower, wherein the grounding wire is downwards connected with other metal structures buried underground. However, the grounding mode of the pole tower generally exposes part of the grounding structure directly, and because most of electric poles, electric towers and the like are not arranged in an unmanned area, the grounding structure exposed outside can be accidentally damaged by human activities, animal activities and the like, and related staff are difficult to know the grounding structure for the first time after the grounding structure is damaged, so that potential safety hazards are caused, and the novel technical scheme is provided. Disclosure of Invention In order to reduce the possibility of accidental damage to the exposed tower grounding structure, the application provides a tower foundation grounding system. The application provides a tower foundation grounding system, which adopts the following technical scheme: The grounding system of the tower foundation comprises a grounding device used as power conduction and a base used as a supporting rod tower, and is characterized in that the grounding device comprises a grounding wire of a connecting rod tower and a metal structure buried underground, the grounding wire penetrates into the interior of the tower at least at the lower part of the tower, an intermediate transition device is inserted into the base, and the grounding wire in the tower is electrically connected with the metal structure through the intermediate transition device. Optionally, the middle transition device comprises a first shell and a first grounding rod vertically arranged in the first shell, wherein the first shell is vertically arranged in the base, the upper end of the first grounding rod extends out of the first shell and is connected with a grounding wire in the tower, an opening at the upper part of the base is provided with a channel communicated with the lower part of the shell, the height of the channel is not smaller than that of the shell, a sealing cover serving as a closed opening is arranged at the opening at the upper part of the base, a transfer mechanism serving as a supporting shell is arranged in the channel, the transfer mechanism comprises a moving block positioned below the shell and a second grounding rod vertically arranged in the moving block, the upper end of the second grounding rod is connected to the lower end of the grounding rod, and the lower end of the second grounding rod is connected to a pre-buried metal structure at the ground. Optionally, the transfer mechanism further comprises an elastic layer transversely arranged in the moving block, the elastic layer separates the moving block into an upper block and a lower block, the upper block is inwards concave towards the middle part of the lower block, the middle part of the lower block is provided with a corresponding protrusion, the second grounding rod penetrates through the upper block, the elastic layer and the lower block, and a grabbing handle used for taking out the moving block is fixed on one side, close to the opening of the base, of the upper block. Optionally, the transfer mechanism further comprises a telescopic unit, the telescopic unit comprises a rotating wheel and a spring arranged on an inner shaft rod of the rotating wheel, the rotating wheel is vertically arranged in a channel of the base and far away from an opening of the base, a grounding wire pre-buried at the bottom bypasses the rotating wheel from bottom to top and transversely penetrates into the side part of the lower block and is connected to the lower end of the grounding rod, the displacement of the grounding wire drives the rotating wheel to synchronously rotate, the spring is fixedly wound around