Grounding device for high-voltage line
By designing a support platform, protective cabinet, and grounding mechanism, the problems of unstable contact between the high-voltage line grounding device and the earth, as well as thermal expansion and contraction, were solved, achieving a more stable grounding effect and avoiding the risk of grounding wire breakage.
Patent Information
- Application Number
- CN202511731640.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-24
- Publication Date
- 2026-02-10
AI Technical Summary
Traditional high-voltage line grounding devices suffer from problems such as weak contact with the earth and the grounding wire being affected by thermal expansion and contraction, resulting in poor grounding effect and even the possibility of breakage.
A grounding device was designed, comprising a support platform, a protective cabinet, a shock absorption mechanism, and a grounding mechanism. Through structures such as a sliding support plate, springs, tension springs, and fixing rods, the grounding rod is ensured to be in firm contact with the earth, and rubber plugs are used to reduce wear on the grounding wire and prevent excessive tension of the grounding wire.
It improves the contact strength between the grounding device and the earth, avoids damage to the grounding wire caused by thermal expansion and contraction and shaking, and enhances the grounding effect and the stability of the device.
Smart Images
Figure CN121507446A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of high-voltage line laying technology, and particularly relates to a grounding device for high-voltage lines. Background Technology
[0002] High voltage refers to industrial power supplies with voltages between 3000 and 11000 volts. High-voltage lines are lines that use high-voltage electricity. To ensure electrical safety and equipment safety, these lines need to be grounded, which requires high-voltage line grounding devices. Some traditional high-voltage line grounding devices use a junction box mounted on a support frame, connecting the high-voltage line to the ground via the junction box. In existing technologies, a grounding rod is inserted into the ground and then connected to a grounding wire. However, because the grounding rod is relatively thin, its contact with the ground becomes unstable due to geological changes, leading to grounding failure and affecting the grounding effect of the high-voltage line. Furthermore, due to the thermal expansion and contraction of cables, the grounding wire may sometimes lengthen or shorten, causing it to become taut or even break. Therefore, existing grounding devices have problems such as unstable contact with the ground and the possibility of the grounding wire breaking due to thermal expansion and contraction. Summary of the Invention
[0003] To address the technical problems of existing grounding devices, such as unstable contact with the earth and the risk of breakage due to thermal expansion and contraction of the grounding wire, this invention provides a grounding device for high-voltage lines. The device includes a horizontally positioned support platform with supporting legs at its bottom and a protective cabinet at its top. The protective cabinet comprises a housing fixed to the top of the support platform, with a protective door at its front end. The protective door is hinged to the housing and has a lock and a handle. The handle facilitates opening the protective door, while the lock secures it to the housing, preventing unauthorized access. The protective cabinet contains two symmetrically spaced protective tubes. The upper ends of the protective tubes are slidably mounted on the top of the protective cabinet. The bottom of the cabinet is equipped with a shock-absorbing mechanism, which includes two vertically spaced sliding rods, the bottom ends of which are fixed to the protective cabinet. It also includes a horizontally mounted support plate, the two ends of which are slidably mounted on the sliding rods. Springs are fitted on the sliding rods below the support plate. A limit block is detachably fixed to the top of the sliding rod. A spring is fitted on the sliding rod between the limit block and the support plate. The springs allow the support plate to move up and down along the sliding rods and then return to its original position, preventing excessive tension of the grounding wire. The lower ends of the protective tubes are fixed to the shock-absorbing mechanism, and a horizontally mounted support beam is fixed between the lower ends of the two protective tubes. The support beam is equipped with an upper pressure wire connector. A wire through hole is provided at the bottom of the protective cabinet. It also includes a horizontally positioned base for support, on which are two symmetrically spaced grounding mechanisms. Each grounding mechanism includes a vertically positioned grounding rod with a pressure wire connector at its top. Below the pressure wire connector, the grounding rod has a rotating wheel for easy rotation. The grounding rod has external threads, and its upper end is threaded to the base. The lower end of the grounding rod has an annular groove along its circumference, within which a rotatable annular support ring is fitted. A support tube is threaded to the lower end of the grounding rod. It also includes two symmetrically positioned grounding shells, the bottom of which are hinged to the top of the support tube. The grounding shells and support rings... There is a tension spring between the two grounding shells. A vertically installed stop block, shaped like an inverted frustum, is fixed on the grounding rod above the grounding shell. In use, the device is first buried in the ground. The wheel at the top of the grounding rod is rotated clockwise, and the grounding rod moves downward. The stop block on the grounding rod pushes the two grounding shells open, making the two grounding shells more firmly in contact with the soil and preventing the grounding rod from shaking. Alternatively, the tension spring between the grounding shell and the support ring can be replaced with a connecting rod. In this way, when the grounding rod is rotated clockwise, it moves downward, and the connecting rod pushes the two grounding shells open, making the grounding shells more firmly in contact with the ground.The base is equipped with several vertically arranged fixing rods, each with an external thread. The fixing rods are threaded onto the base, and the bottom of the fixing rods has a conical part for easy fixing to the ground. The top of the fixing rods has a turntable. Rotating the turntable clockwise inserts the fixing rod into the ground, providing a fixed support for the base and preventing the base from moving upwards.
[0004] Preferably, the top and bottom of the protective tube are provided with detachable rubber plugs, and the rubber plugs have through holes for the cable to enter and exit. The rubber plugs can reduce the bending and wear of the grounding wire and improve the service life of the grounding wire.
[0005] Preferably, a top plate is fixed to the top of each of the two grounding shells, and a semi-circular baffle is fixed to the top of the top plate.
[0006] Preferably, the two grounding shells can be arranged to form a frustum shape with an internal hollow interior and openings at both the top and bottom.
[0007] Preferably, the grounding shell, support pipe, grounding rod, and stop are all made of copper, a metal with good electrical conductivity.
[0008] The above-mentioned approach has the following advantages: The grounding structure is first installed by burying the device in the ground. Rotating the wheel at the top of the grounding rod clockwise moves the grounding rod downwards. The stop on the grounding rod pushes the two grounding shells open, making the two grounding shells more firmly in contact with the ground soil and preventing the grounding rod from shaking. The shock absorption mechanism allows the support plate to move up and down along the sliding rod and then return to its original position, preventing the grounding wire from being over-tensioned and damaging the cable. The fixing rod secures the base to the ground more firmly, facilitating the installation of the grounding mechanism. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the main structure of the present invention; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 Schematic diagram of the grounding mechanism Figure 1 ; Figure 4 Schematic diagram of the grounding mechanism Figure 2 ; Figure 5 This is a schematic diagram of the grounding shell.
[0010] Reference numerals: 1. Support platform; 2. Protective cabinet; 3. Protective pipe; 4. Shock absorption mechanism; 5. Grounding mechanism; 6. Base; 7. Cable; 11. Support leg; 21. Box body; 22. Protective door; 23. Hinge; 24. Fixed lock; 25. Handle; 31. Rubber plug; 32. Support beam; 33. Upper pressure wire connector; 41. Sliding rod; 42. Support plate; 43. Spring; 44. Limiting block; 51. Grounding rod; 52. Lower pressure wire connector; 53. Rotating wheel; 54. Grounding shell; 541. Top plate; 542. Baffle; 55. Support ring; 56. Support pipe; 57. Tension spring; 58. Stop block; 59. Connecting rod; 61. Fixed rod; 62. Turntable. Detailed Implementation
[0011] like Figure 1-5As shown, the grounding device for high-voltage lines includes a horizontally arranged support platform 1. The bottom end of the support platform 1 is provided with support legs 11, and the top end of the support platform 1 is provided with a protective cabinet 2. The protective cabinet 2 includes a box body 21 fixed to the top end of the support platform 1. The front end of the box body 21 is provided with a protective door 22. The protective door 22 is hinged to the box body 21 by a hinge 23. The protective door 22 is provided with a fixed lock 24 and a handle 25. The handle 25 facilitates opening the protective door 22 on the box body 21, and the fixed lock 24 can lock the protective door 22 to the box body 21 to prevent the protective door 22 from being opened by outsiders. The protective cabinet 2 is equipped with two symmetrical and spaced protective tubes 3. The upper end of the protective tube 3 is slidably mounted on the top of the protective cabinet 2. The bottom of the cabinet 21 is equipped with a shock-absorbing mechanism 4. The shock-absorbing mechanism 4 includes two vertical and spaced sliding rods 41. The bottom end of the sliding rods 41 is fixed on the protective cabinet 2. It also includes a horizontally arranged support plate 42. The two ends of the support plate 42 are slidably mounted on the sliding rods 41. Springs 43 are fitted on the sliding rods 41 below the support plate 42. A limit block 44 is detachably fixed to the top of the sliding rod 41. A spring 43 is fitted on the sliding rod 41 between the limit block 44 and the support plate 42. The springs 43 allow the support plate 42 to move up and down along the sliding rods 41 and then reset, preventing the grounding wire from being too tense. The lower end of the protective tube 3 is fixed on the shock-absorbing mechanism 4. A horizontally arranged support beam 32 is fixed between the lower ends of the two protective tubes 3. The support beam 32 is equipped with an upper pressure wire connector 33. A wire hole is opened at the bottom of the protective cabinet 2.It also includes a horizontally arranged base 6, which provides support. The base 6 has two symmetrically spaced grounding mechanisms 5. Each grounding mechanism 5 includes a vertically arranged grounding rod 51. The top of each grounding rod 51 has a lower pressure wire connector 52. Below the lower pressure wire connector 52, the grounding rod 51 has a rotating wheel 53 to facilitate rotation. The grounding rod 51 has external threads, and its upper end is threaded to the base 6. The lower end of each grounding rod 51 has an annular groove along its circumference. A ring-shaped support ring 55 is rotatably fitted inside the annular groove. The lower end of the grounding rod 51 is threaded to a support tube 56. It also includes two symmetrically arranged grounding shells 54. The bottom end of each grounding shell 54 is hinged to the top end of the support tube 56. The grounding shells 54 and the support ring 55... There is a tension spring 57 between the grounding housing 54 and the grounding rod 51 above the grounding housing 54. A vertical stop 58 is fixed on the grounding rod 51 to push the grounding housing 54 open. The stop 58 is in the shape of an inverted frustum. When in use, the device is first buried in the ground. The rotating wheel 53 at the top of the grounding rod 51 is rotated clockwise. The grounding rod 51 moves downward. The stop on the grounding rod 51 pushes the two grounding housings 54 open, so that the two grounding housings 54 are in more firm contact with the ground soil, and at the same time, the grounding rod 51 is prevented from shaking. Alternatively, the tension spring 57 between the grounding housing 54 and the support ring 55 can be replaced with a connecting rod 59. In this way, when the grounding rod 51 is rotated clockwise, the grounding rod 51 moves downward. The connecting rod 59 pushes the two grounding housings 54 open, so that the grounding housings 54 are in more firm contact with the ground. The base 6 is provided with several vertically arranged fixing rods 61. The fixing rods 61 are provided with external threads and are threaded to the base 6. The bottom end of the fixing rod 61 is provided with a cone-shaped part for easy fixing to the ground. The top end of the fixing rod 61 is provided with a turntable 62. When the turntable 62 is rotated clockwise, the fixing rod 61 is inserted into the ground, which plays a role in fixing and supporting the base 6 and preventing the base 6 from moving upward.
[0012] Preferably, the top and bottom of the protective tube 3 are provided with detachable rubber plugs 31. The rubber plugs 31 have through holes for the cable 7 to enter and exit. The rubber plugs 31 can reduce the bending and wear of the grounding wire and improve the service life of the grounding wire.
[0013] Preferably, a top plate 541 is fixed to the top of each of the two grounding housings 54, and a semi-circular baffle 542 is fixed to the top of the top plate 541.
[0014] Preferably, the two grounding shells 54 can be arranged to form a frustum shape with an internal hollow interior and openings at both the top and bottom.
[0015] Preferably, the grounding housing 54, the support tube 56, the grounding rod 51, and the stop block 58 are all made of copper, a metal with good electrical conductivity.
[0016] Usage process: In use, this invention first digs a pit at the location of the high-voltage line equipment requiring grounding to house the grounding mechanism 5. Then, the grounding mechanism 5 is placed inside, and the turntable 62 at the top of the fixing rod 61 is rotated clockwise, causing the fixing rod 61 to drill deeper into the ground. Soil is then filled into the pit until the base 6 is buried. Next, the rotating wheel 53 at the upper end of the grounding rod 51 is rotated, causing the grounding rod 51 to move downwards. The stop block 58 follows the grounding rod 51 downwards, pushing the grounding housing 54 to open towards both sides of the grounding rod 51. The grounding housing 54 compresses the soil on both sides, allowing for better contact between the grounding housing 54 and the soil. The lower end of the cable 7 is connected to the lower pressure connector 52, and the upper end of the cable 7 is connected to the upper pressure connector 33 inside the housing 21. The pit is then filled with soil, and the cable 7 is led out of the housing 21 from the upper end of the protective pipe 3 and connected to the grounding wire.
[0017] In the description of this invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.
[0018] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the scope of protection of the present invention.
Claims
1. A grounding device for high-voltage lines, comprising a horizontally arranged support platform, a support leg at the bottom of the support platform for supporting the structure, and a protective cabinet at the top of the support platform for providing protection, characterized in that: The protective cabinet contains two symmetrically spaced protective tubes. The upper ends of the protective tubes are slidably mounted on the top of the cabinet. A shock-absorbing mechanism is located at the bottom of the cabinet, and the lower ends of the protective tubes are fixed to this mechanism. A horizontally positioned support beam is fixed between the lower ends of the two protective tubes. An upper pressure wire connector is located on the support beam. A wire through hole is provided at the bottom of the cabinet. The cabinet also includes a horizontally positioned base with two symmetrically spaced grounding mechanisms. Each grounding mechanism includes a vertically positioned grounding rod, the top of which has a lower pressure wire connector. A connection is located below the lower pressure wire connector. The grounding rod is equipped with a rotating wheel for easy rotation. The grounding rod has an external thread, and its upper end is threaded to the base. The lower end of the grounding rod has an annular groove along its circumference. A ring-shaped support ring is rotatably fitted inside the annular groove. The lower end of the grounding rod is threaded to a support tube. The grounding rod also includes two symmetrically arranged grounding shells. The bottom end of the grounding shell is hinged to the top end of the support tube. There is a tension spring between the grounding shell and the support ring. A vertically arranged stop block is fixed on the grounding rod above the grounding shell to push open the grounding shell. The stop block is in the shape of an inverted frustum.
2. The grounding device for high-voltage lines according to claim 1, characterized in that: The protective cabinet includes a box body fixed to the top of the support platform. The front end of the box body is provided with a protective door, which is hinged to the box body and is equipped with a lock and a handle.
3. The grounding device for high-voltage lines according to claim 1, characterized in that: The base is equipped with several vertically arranged fixing rods, each with an external thread and threaded to the base. The bottom of the fixing rod has a cone-shaped part for easy fixing to the ground, and the top of the fixing rod has a turntable.
4. The grounding device for high-voltage lines according to claim 1, characterized in that: The shock absorption mechanism includes two vertically spaced sliding rods, the bottom of which are fixed to the protective cabinet. It also includes a horizontally arranged support plate, the two ends of which are slidably mounted on the sliding rods. Springs are fitted on the sliding rods below the support plate.
5. The grounding device for high-voltage lines according to claim 4, characterized in that: A limit block can be detachably fixed at the top of the slide rod, and a spring is sleeved on the slide rod between the limit block and the support plate.
6. The grounding device for high-voltage lines according to claim 1, characterized in that: The top and bottom of the protective tube are equipped with detachable rubber plugs, and the rubber plugs have through holes for cables to enter and exit.
7. The grounding device for high-voltage lines according to claim 1, characterized in that: Both grounding shells have a top plate fixed to their top, and a semi-circular stop block is fixed to the top of the top plate.
8. The grounding device for high-voltage lines according to claim 7, characterized in that: The two grounding shells can be enclosed to form a frustum shape with an internal hollow interior and openings at both the top and bottom.
9. The grounding device for high-voltage lines according to claim 1, characterized in that: The grounding shell, support pipe, grounding rod, and stop are all made of copper, a metal with good electrical conductivity.