Grounding protection device with good firmness for power construction

By designing an automatic fastening structure for wire clamps, sleeves, and fixing rods, combined with the stable design of sand and gravel cones and support columns, the problem of unstable connection and safety hazards of existing grounding protection devices in power construction has been solved, achieving stable wire connection and construction safety.

CN223665672UActive Publication Date: 2025-12-12SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
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Patent Information

Application Number
CN202422638651.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-12-12
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing grounding protection devices are prone to accidental contact with wires during power construction due to operational errors, such as tightening screws, posing a safety hazard. Furthermore, the connection is not stable enough.

Method used

A grounding protection device comprising a protective cylinder, a wiring mechanism, and a base was designed. The device utilizes a structure of wire clamps, sleeves, and fixing rods to achieve automatic wire fastening. Combined with the design of a sand and gravel cone-shaped barrel and a support column, it ensures that the device is stably fixed under different geological conditions, and the insulation sleeve enhances safety.

Benefits of technology

This ensures the stability and safety of the electrical connections, avoids safety hazards caused by operational errors, and guarantees safety and stability during the construction process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a good-firmness grounding protection device for power construction, which comprises a protection cylinder, a protection cover is fixedly arranged at the top of the protection cylinder, and a wiring mechanism is fixedly arranged at the top of the protection cover; the wiring mechanism comprises a first fixing block fixedly installed at the top of the protective cover, a wire clamp is fixedly installed in the first fixing block, a second fixing block is movably installed on the outer wall of the first fixing block, a clamping sleeve is fixedly installed at the top of the second fixing block, and a butt joint port is fixedly installed at the top of the clamping sleeve. A fixing clamping rod is installed on the side wall of the second fixing block, a tension spring is installed on the outer wall of the fixing clamping rod in a sleeving mode, a limiting groove is formed in the outer wall of the side face of the first fixing block, and a plurality of clamping grooves are formed in the bottom of the limiting groove. According to the screwdriver, the wire clamp in the first fixing block can conveniently clamp a wire, and the second fixing block and the first fixing block can more easily insert the wire into the clamping sleeve, so that a constructor is prevented from being in contact with the wire when using the screwdriver.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power grounding protection, specifically to a reliable electric power construction grounding protection device. BACKGROUND

[0002] In the field of electric power construction, the grounding protection device is an important equipment to ensure construction safety and prevent electrical accidents. During the electric power construction process, electrical equipment and lines may produce faults such as leakage and short circuit due to various reasons. These faults not only may damage the equipment, but also may pose a threat to the personal safety of workers. Therefore, a reliable grounding protection device is needed to quickly guide the fault current into the ground to protect the safety of personnel and equipment.

[0003] The existing grounding protection device electric power grounding protection device usually adopts a simple grounding electrode or grounding net to realize electrical connection with the soil, thereby guiding the fault current of the electrical equipment into the ground. This method needs to manually tighten the screws for fixation during the wire grounding process, and it is easy to cause an accident due to the operation error when the screwdriver touches the wire during the screw tightening.

[0004] Therefore, the application is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a reliable electric power construction grounding protection device to solve the problems in the above background technology.

[0006] To solve the above technical problems, the utility model provides a protection cylinder, a protection cover is fixedly installed at the top of the protection cylinder, and a wiring mechanism is fixedly installed at the top of the protection cover.

[0007] The wiring mechanism comprises a first fixed block fixedly installed at the top of the protection cover, an electric wire clamp fixedly installed inside the first fixed block, a second fixed block movably installed on the outer wall of the first fixed block, a clamping sleeve fixedly installed at the top of the second fixed block, a butt joint fixedly installed at the top of the clamping sleeve, a fixed clamping rod installed on the side wall of the second fixed block, a tension spring sleeved and installed on the outer wall of the fixed clamping rod, a limiting groove formed in the outer wall of the side surface of the first fixed block, and a plurality of clamping grooves formed in the bottom of the limiting groove.

[0008] Further, the diameter of the opening at the bottom of the clamping sleeve, the diameter of the opening at the top of the clamping sleeve, and the diameter of the opening at the bottom of the butt joint decrease in sequence.

[0009] Further, the second fixed block is in a cylindrical structure, the top of the electric wire clamp is provided with a notch, the vertical section of the notch is in a V-shaped structure, and convex teeth are arranged on both sides of the notch and fixed to the inner wall of the top of the electric wire clamp.

[0010] Further, the protection cover bottom is fixedly installed with a fixed plate, a first gear is rotatably installed on the outer wall of the fixed plate, a sleeve rod is fixedly installed at the bottom of the first gear, a threaded rod is threadedly connected in the sleeve rod, a second protrusion is fixedly installed at the bottom of the threaded rod, a second gear is threadedly connected with the threaded rod, a threaded hole is formed in the center of the second gear, a protection bottom plate is rotatably installed at the bottom of the second gear, a rubber ring is formed in the surface of the protection cylinder, a handle is installed in the rubber ring, and a third gear is fixedly connected with the handle.

[0011] Further, the protection bottom plate is rotatably installed with a base, and a sandstone conical barrel is fixedly installed in the base.

[0012] Further, a plurality of supporting columns are fixedly installed at the bottom of the base, and a first protrusion is fixedly installed at the bottom of the supporting column.

[0013] Further, a first thread is fixedly installed on the outer wall of the protection bottom plate, and a second thread is fixedly installed on the inner wall of the top end of the base.

[0014] Further, a first thread is formed in the outer wall of the protection bottom plate, and a second thread is formed in the top end of the base.

[0015] Further, a first insulating sleeve is installed on the outer wall of the wiring mechanism, a second insulating sleeve is fixedly installed on the outer wall of the protection cylinder, and the materials of the first insulating sleeve and the second insulating sleeve are rubber.

[0016] Compared with the prior art, the beneficial effects of the utility model are that the connection of the wire clamp and the sleeve can adapt to different thicknesses of the electric wire, the user only needs to insert the electric wire into the sleeve into the wire clamp when wiring, and the electric wire can be fastened by pressing the second fixed block downward, the screwdriver is not needed to be used to tighten the screw during the operation process, and contact with the electric wire is avoided, the structure of the first fixed block, the second fixed block, the fixed clamping rod and the tension spring ensures that the electric wire will not be loose or moved during the connection process, and the stability and safety of the connection are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front structure schematic view of the utility model;

[0018] Figure 2 It is Figure 1 It is an enlarged sectional structure schematic view of the middle A;

[0019] Figure 3 It is an internal structure schematic view of the utility model;

[0020] Figure 4 It is Figure 3 It is an enlarged explosion structure schematic view of the middle B;

[0021] Figure 5 The utility model discloses a stable device cross section structure schematic diagram.

[0022] In the drawing: 1, protection cylinder, 2, protection cover, 3, handle, 4, base, 5, support column, 6, first spur, 7, first fixed block, 8, wire clamp, 9, second fixed block, 10, fixed clamping rod, 11, clamping sleeve, 12, butt joint, 13, clamping groove, 14, tension spring, 15, first gear, 16, sleeve rod, 17, threaded rod, 18, second spur, 19, second gear, 20, first thread, 21, rubber ring, 22, third gear, 23, protection base plate, 24, second thread, 25, sandstone conical barrel, 26, hollow column, 27, limiting groove, 28, first insulating sleeve, 29, second insulating sleeve, 30, threaded mouth, 31, fixed plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a reliable grounding protection device for electric power construction, including protection cylinder 1, the protection cylinder 1 top is fixedly installed with protection cover 2, protection cover 2 top is fixedly installed with wiring mechanism;

[0025] Wiring mechanism includes the first fixed block 7 fixedly installed in the top of protection cover 2, the first fixed block 7 inside is fixedly installed with wire clamp 8, the first fixed block 7 outer wall is movably installed with second fixed block 9, the second fixed block 9 top is fixedly installed with clamping sleeve 11, the clamping sleeve 11 top is fixedly installed with butt joint 12, the second fixed block 9 side wall is installed with fixed clamping rod 10, the fixed clamping rod 10 surface is installed with tension spring 14, the first fixed block 7 side wall outer wall is provided with limiting groove 27, the limiting groove 27 bottom is provided with multiple clamping grooves 13.

[0026] Please refer to Figure 2 The diameter of the bottom opening of clamping sleeve 11, the diameter of the top opening of clamping sleeve 11 and the diameter of the bottom opening of butt joint 12 decrease in turn, so that it can adapt to different sizes of wire, so that clamping sleeve 11 and butt joint 12 have stronger flexibility and adaptability in application.

[0027] Please refer to Figure 2The second fixing block 9 is in a cylindrical structure, the top of the wire clamp 8 is provided with a notch, the vertical section of the notch is in a V-shaped structure, both sides of the notch are provided with a protruding tooth, the protruding tooth is fixed on the inner wall of the top of the wire clamp 8, in the process that the inner wall of the sleeve 11 moves downwards to the outer wall of the wire clamp 8, the two protruding teeth are close to each other to clamp the wire.

[0028] Referring to Figure 4 The bottom of the protection cover 2 is fixedly provided with a fixing plate 31, the outer wall of the fixing plate 31 is rotationally provided with a first gear 15, the bottom of the first gear 15 is fixedly provided with a sleeve rod 16, the inside of the sleeve rod 16 is threadedly connected with a threaded rod 17, the bottom of the threaded rod 17 is fixedly provided with a second protruding tooth 18, the threaded rod 17 is threadedly connected with a second gear 19, the center of the second gear 19 is provided with a threaded hole 30, the bottom of the second gear 19 is rotationally provided with a protection bottom plate 23, the surface of the protection cylinder 1 is provided with a rubber ring 21, the inside of the rubber ring 21 is provided with a handle 3, the handle 3 is fixedly connected with a third gear 22, through the rotational connection of the first gear 15, the sleeve rod 16 and the threaded rod 17, the up and down adjustment of the threaded rod 17 can be realized, so that the device can flexibly adjust the position of the second protruding tooth 18 when coping with different construction environments and requirements, and the instability of the device caused by the overall rotation is prevented.

[0029] Referring to Figure 5 The bottom of the protection bottom plate 23 is rotationally provided with a base 4, the inside of the base 4 is fixedly provided with a sand and stone conical barrel 25, the inside of the sand and stone conical barrel 25 is provided with a hollow column 26, so that the gravity center of the whole device is at the bottom of the device, and the weight of the sand and stone in the barrel further enhances the stability of the device.

[0030] Referring to Figure 5 The bottom of the base 4 is fixedly provided with a plurality of support columns 5, the bottom of the support column 5 is fixedly provided with a first protruding tooth 6, the uniform distribution of the plurality of support columns 5 can share the weight borne by the base 4, and the first protruding tooth 6 can further enhance the connection strength between the support column 5 and the ground or the contact surface, thereby improving the overall stability.

[0031] Referring to Figures 3-5 The outer wall of the protection bottom plate 23 is provided with a first thread 20, and the top end inner wall of the base 4 is provided with a second thread 24, so that the fixing can be completed through rotation and tightening, without the need for using additional fixing tools or equipment.

[0032] Referring to Figures 1-2 The outer wall of the wiring mechanism is provided with a first insulating sleeve 28, and the outer wall of the protection cylinder 1 is fixedly provided with a second insulating sleeve 29, the materials of the first insulating sleeve 28 and the second insulating sleeve 29 are rubber, and the non-conductivity of the rubber material itself makes the whole construction process safer.

[0033] Working principle: when in use, insert the sandstone conical barrel 25 into the soil, because the sandstone inside can make the whole conical barrel center of gravity perpendicular to the ground, can more vertical and easily into the soil and deep into it, the first protruding thorn 6 at the bottom of the support column 5 can further increase the friction between the device and the soil, to ensure that the device can be firmly fixed to the ground under different geological conditions, to prevent displacement or tilt, tighten the base 4 and the protection bottom plate 23, stable grounding device, by rotating the handle 3, drive the third gear 22 rotation, in turn drive the second gear 19 clockwise and the first gear 15 counterclockwise rotation, drive the sleeve rod 16 and the threaded rod 17 along the thread direction to move up and down rotation, realize the adjustment of grounding depth, then insert the grounding wire into the butt joint 12, until the wire enters the wire clamp 8, then press the movable sleeve 11 down to make the inner wall of the second fixed block 9 clamped into the outer wall of the first fixed block 7, at this time the wire clamp 8 clamps the wire, at the same time the fixed clamping rod 10 in the second fixed block 9 enters the clamping groove 13, to ensure the safety of wire connection, end use only need to pull out the fixed clamping rod 10, can take out the wire, the whole operation process makes the whole device can be stably set on the ground, and do not need to touch the wire too much when construction, to ensure the safety of construction personnel.

Claims

1. A reliable grounding protection device for power construction, comprising a protective cylinder (1), characterized in that... The protective cylinder (1) is fixedly installed with a protective cover (2) on top, and a wiring mechanism is fixedly installed on the top of the protective cover (2); The wiring mechanism includes a first fixing block (7) fixedly installed on the top of the protective cover (2), a wire clamp (8) fixedly installed inside the first fixing block (7), a second fixing block (9) movably installed on the outer wall of the first fixing block (7), a sleeve (11) fixedly installed on the top of the second fixing block (9), a mating interface (12) fixedly installed on the top of the sleeve (11), a fixing rod (10) installed on the side wall of the second fixing block (9), a tension spring (14) sleeved on the outer wall of the fixing rod (10), a limiting groove (27) is opened on the outer side wall of the first fixing block (7), and multiple slots (13) are opened at the bottom of the limiting groove (27).

2. The reliable grounding protection device for power construction as described in claim 1, characterized in that: The diameters of the bottom opening of the sleeve (11), the top opening of the sleeve (11), and the bottom opening of the interface (12) decrease sequentially.

3. The reliable grounding protection device for power construction as described in claim 1, characterized in that: The second fixing block (9) has a cylindrical structure. The top of the wire clamp (8) has a notch with a V-shaped vertical cross section. Both sides of the notch have protruding teeth, which are fixed to the inner top wall of the wire clamp (8).

4. A reliable grounding protection device for power construction as described in claim 1, characterized in that: The protective cover (2) is fixedly mounted with a fixing plate (31) at the bottom. A first gear (15) is rotatably mounted on the outer wall of the fixing plate (31). A sleeve rod (16) is fixedly mounted at the bottom of the first gear (15). A threaded rod (17) is threadedly connected inside the sleeve rod (16). A second protrusion (18) is fixedly mounted at the bottom of the threaded rod (17). A second gear (19) is threadedly connected to the threaded rod (17). A threaded opening (30) is provided at the center of the second gear (19). A protective base plate (23) is rotatably mounted at the bottom of the second gear (1). A rubber ring (21) is provided on the surface of the protective cylinder (1). A handle (3) is installed inside the rubber ring (21). A third gear (22) is fixedly connected to the handle (3).

5. A reliable grounding protection device for power construction as described in claim 4, characterized in that: The protective base plate (23) is rotatably mounted with a base (4), and a sand and gravel cone-shaped barrel (25) is fixedly installed inside the base (4). A hollow column (26) is opened inside the sand and gravel cone-shaped barrel (25).

6. A reliable grounding protection device for power construction as described in claim 5, characterized in that: The base (4) has multiple support columns (5) fixedly installed at its bottom, and the support columns (5) have a first protrusion (6) fixedly installed at their bottoms.

7. A reliable grounding protection device for power construction as described in claim 5, characterized in that: The outer wall of the protective base plate (23) is provided with a first thread (20), and the inner wall of the top of the base (4) is provided with a second thread (24).

8. A reliable grounding protection device for power construction as described in claim 1, characterized in that: The wiring mechanism is provided with a first insulating sleeve (28) on its outer wall and a second insulating sleeve (29) is fixedly installed on the outer wall of the protective cylinder (1). The first insulating sleeve (28) and the second insulating sleeve (29) are made of rubber.