Search

CN-224217718-U - Electric power ground protection device

CN224217718UCN 224217718 UCN224217718 UCN 224217718UCN-224217718-U

Abstract

The utility model discloses a power grounding protection device, which relates to the technical field of power protection and comprises a chassis, wherein a plurality of fixing holes are formed in the chassis, fixing columns are arranged in the fixing holes, each fixing column comprises an outer cylinder body and an inner cylinder body, a cone is arranged at one end, far away from a box body, of each inner cylinder body, a plurality of expansion plates are arranged on the side wall of each cone, the expansion plates are arranged around the cones, one end, far away from the box body, of each expansion plate is hinged with the side wall of each cone, and a tension spring is arranged between one end, close to the box body, of each expansion plate and each cone. Therefore, the cone facilitates the insertion of the fixed column into the soil, and the expansion plate on the cone can be opened along with the upward movement of the cone, so that the contact area between the cone and the soil is increased, the difficulty in pulling out the fixed column is further increased, and the stability of the chassis is ensured.

Inventors

  • ZHAO PENG
  • CHEN HUIYING
  • XING SHIYUN
  • LIU XIAOYANG
  • Jiang Zhelun

Assignees

  • 国网山东省电力公司潍坊市寒亭区供电公司

Dates

Publication Date
20260508
Application Date
20250607

Claims (8)

  1. 1. The utility model provides a power ground protection device, includes chassis (1), be provided with a plurality of fixed orifices (2) on chassis (1), box (3) are installed at chassis (1) top, a plurality of fixed orifices (2) are around box (3) setting, a serial communication port, install fixed column (4) in fixed orifices (2), fixed column (4) include outer barrel (41) and interior post (42), outer barrel (41) set up around interior post (42), the one end that box (3) was kept away from to interior post (42) is provided with cone (43), handle (44) are installed to the one end that cone (43) were kept away from to interior post (42), the outside outline size of handle (44) is greater than the internal diameter of outer barrel (41), the bottom area diameter of cone (43) is greater than the internal diameter of outer barrel (41), the one end of interior post (42) towards cone (43) is provided with the external screw thread, the inside cooperation of outer barrel (41) is provided with the internal screw thread, the external screw thread of interior post (42) is connected with the external screw thread of outer barrel (41); Be provided with a plurality of expansion boards (45) on the lateral wall of cone (43), a plurality of expansion board (45) set up around cone (43), the one end that box (3) was kept away from to expansion board (45) is articulated with cone (43) lateral wall, be provided with extension spring (46) between one end that expansion board (45) is close to box (3) and cone (43).
  2. 2. The electric ground protection device according to claim 1, characterized in that a limit groove (47) is provided on the side wall of the cone (43), one end of the tension spring (46) is hinged with the bottom of the limit groove (47), and the other end of the tension spring (46) is hinged with the expansion plate (45).
  3. 3. The electric ground protection device according to claim 1, characterized in that the angle between the end of the expansion plate (45) facing the tank (3) and the horizontal plane is a, a being 10 ° -a-65 °.
  4. 4. The power ground protection device according to claim 1, characterized in that a hollow cavity (48) is arranged inside the inner column (42), a plurality of through holes (49) are arranged on the outer wall of the inner column (42), one end of each through hole (49) is connected with the hollow cavity (48), and the other end of each through hole (49) is connected with the outer wall of the inner column (42).
  5. 5. The electric ground protection device according to claim 1, wherein a door body (5) is installed at one end of the box body (3), a plurality of wire inlet holes (6) are arranged at one end of the box body (3) far away from the door body (5), a fixing mechanism (7) is arranged between the wire inlet holes (6) and the door body (5), the fixing mechanism (7) comprises a first fixing block (71) and a second fixing block (72), one surface of the first fixing block (71) facing the second fixing block (72) is a first arc-shaped surface (73), one surface of the second fixing block (72) facing the first fixing block (71) is a second arc-shaped surface (74), the fixing mechanism (7) further comprises a driving rod (75) and a supporting rod (76), the driving rod (75) is parallel to the supporting rod (76), the driving rod (75) comprises a first threaded section (751) and a second threaded section (752), outer walls of the first threaded section (751) and the second threaded section (751) are respectively provided with an external thread, the first threaded section (751) is connected with the external thread section (751) of the first threaded section (751) and the first threaded section (6) and the external thread (751) are opposite to the first threaded section (71), the support rod (76) is in sliding connection with the first fixed block (71), the second threaded section (752) is in threaded connection with one end, facing the wire inlet hole (6), of the second fixed block (72), and the support rod (76) is in sliding connection with the second fixed block (72).
  6. 6. The power ground protection device according to claim 5, wherein a driving head (753) is mounted at one end of the driving rod (75), a positioning block (755) is rotatably connected to the other end of the driving rod (75), a limiting table (754) is mounted between the positioning block (755) and the driving head (753), the driving rod (75) is rotatably connected to the limiting table (754), a first supporting table (761) is mounted at one end of the supporting rod (76), and a second supporting table (762) is mounted at the other end of the supporting rod (76).
  7. 7. The power ground protection device according to claim 6, characterized in that a first fixing table (77) is mounted on a side wall of the first fixing block (71), a second fixing table (78) is mounted on a side wall of the second fixing block (72), and a fixing bolt (79) is provided between the first fixing table (77) and the second fixing table (78).
  8. 8. The electric power grounding protection device according to claim 1, characterized in that an integrated board (8) is mounted on the inner wall of the box body (3), the integrated board (8) is located between the wire inlet hole (6) and the door body (5), a plurality of wire connecting tables (81) are arranged on the integrated board (8), a grounding electrode (83) is arranged on one side, far away from the box body (3), of the chassis (1), and a power-on wire (82) is arranged between the grounding electrode (83) and the integrated board (8).

Description

Electric power ground protection device Technical Field The utility model is suitable for the technical field of power protection and provides a power grounding protection device. Background The power ground protection device is one of core equipment for guaranteeing safe operation of a power system, and can effectively discharge fault current, inhibit overvoltage and reduce electric shock risks by establishing a reliable ground path. When the protective device is used, a proper groove is required to be dug, the grounding electrode of the protective device is placed in the groove, the groove is backfilled, the protective device is fixed on the ground by utilizing structures such as fiber insertion and the like, and finally, wiring treatment is completed. The existing ground protection device is relatively simple in fixing mode, so that when strong wind weather occurs, the ground protection device can be inclined or exposed to the outside due to weak fixing, and the ground protection device is invalid. Disclosure of utility model In view of the above-mentioned drawbacks, an object of the present utility model is to provide a power ground protection device, which is capable of solving the problems in the background. The utility model provides a power ground protection device, includes the chassis, be provided with a plurality of fixed orifices on the chassis, the box is installed at the chassis top, a plurality of the fixed orifices sets up around the box, install the fixed column in the fixed orifices, the fixed column includes outer barrel and interior column, the outer barrel sets up around interior column, the one end that the box was kept away from to interior column is provided with the cone, the handle is installed to the one end that the cone was kept away from to interior column, the outside dimension of handle is greater than the internal diameter of outer barrel, the bottom area diameter of cone is greater than the internal diameter of outer barrel, the one end that interior column towards the cone is provided with the external screw thread, the inside cooperation of urceolus is provided with the internal thread, the external screw thread of interior column is connected with the internal screw thread of outer barrel; The side wall of the cone is provided with a plurality of expansion plates, the expansion plates are arranged around the cone, one end of each expansion plate, which is far away from the box body, is hinged with the side wall of the cone, and a tension spring is arranged between one end, which is close to the box body, of each expansion plate and the cone. The cone comprises a cone body and is characterized in that a limiting groove is formed in the side wall of the cone body, one end of a tension spring is hinged to the bottom of the limiting groove, and the other end of the tension spring is hinged to an expansion plate. The included angle between the end of the expansion plate facing the box body and the horizontal plane is a, and a is more than or equal to 10 degrees and less than or equal to 65 degrees. The inner column body is internally provided with a hollow cavity, the outer wall of the inner column body is provided with a plurality of through holes, one end of each through hole is connected with the hollow cavity, and the other end of each through hole is connected with the outer wall of the inner column body. The door body is installed to one end of box, the one end that the box kept away from the door body is provided with a plurality of entrance holes, be provided with fixed establishment between the entrance hole and the door body, fixed establishment includes first fixed block and second fixed block, the one side of first fixed block orientation second fixed block is first arcwall face, the one side of second fixed block orientation first fixed block is the second arcwall face, fixed establishment still includes actuating lever and bracing piece, the actuating lever is parallel with the bracing piece, the actuating lever includes first screw thread section and second screw thread section, all be provided with the external screw thread on the outer wall of first screw thread section, second screw thread section, the external screw thread of first screw thread section is opposite with the external screw thread of second screw thread section, the one end threaded connection of first screw thread section and first fixed block orientation entrance hole, bracing piece and first fixed block sliding connection, the one end threaded connection of second screw thread section and second fixed block orientation hole, bracing piece and second fixed block sliding connection. The driving device comprises a driving rod, a driving head, a positioning block, a limiting table, a supporting rod, a first supporting table, a second supporting table and a second supporting table, wherein the driving head is arranged at one end of the driving rod, the positioning block is rotatably connected wi