Grounding rod welding device

Abstract

The utility model relates to the technical field of electric power installation, in particular to a grounding rod welding device which is characterized in that a reaction half cavity, a drainage groove half cavity, a welding half cavity and a grounding rod half cavity are sequentially arranged on one side of a first mold body and one side of a second mold body from the top face to the bottom face, a grounding wire half cavity is arranged on the side face of the welding half cavity, and a mold cover is arranged above the reaction half cavity; an ignition port is formed in the bottom face of the mold cover, the first mold body is fixedly connected with the first clamping arm, the second mold body is fixedly connected with the second clamping arm, and the first clamping arm and the second clamping arm are locked through a self-locking structure. Compared with the prior art, the connecting part of the grounding rod and the connecting wire is clamped in the welding cavity of the mold body, the thermit reaction occurs in the reaction cavity to generate molten iron, the molten iron flows into the welding cavity to be solidified, then the grounding rod and the grounding wire are welded together, and the self-locking function of the mold body is achieved through rotary matching of the handle, the connecting piece and the clamping arm. And after ignition, the personnel can leave, so that the welding safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power installation, in particular to a ground rod welding device. Background Art

[0002] The grounding wire is generally permanently connected to the grounding rod around the building, and the grounding wire and the grounding rod can be welded together by hot melt welding. Existing technologies, such as a new type of graphite hot melt welding mold disclosed in publication number CN215316305U, clamp the mold body by a mold clamp, and the handle of the mold clamp is connected by a hinge, without a self-locking structure. During welding, the handle always needs to be clamped manually, and the high welding temperature poses a safety hazard. Summary of the invention

[0003] The utility model provides a ground rod welding device to overcome the deficiencies of the prior art.

[0004] To achieve the above-mentioned purpose, a grounding rod welding device is designed, comprising a mold body 1 and a mold body 2, wherein one side of the mold body 1 and the mold body 2 is sequentially provided with a reaction half chamber, a drainage groove half chamber, a welding half chamber and a grounding rod half chamber from the top surface to the bottom surface, a grounding wire half chamber is provided on the side of the welding half chamber, a mold cover is provided above the reaction half chamber, and an ignition port is provided on the bottom surface of the mold cover, the mold body 1 is fixedly connected to the clamping arm 1, the mold body 2 is fixedly connected to the clamping arm 2, the handle 1 and the clamping arm 1 are an integrated structure, the front end of one side of the handle 1 is rotatably connected to the clamping arm 1 through the axis 1, the rear end of one side of the clamping arm 1 is rotatably connected to one end of the connecting plate through the axis 2, the other end of the connecting plate is rotatably connected to the front end of the handle 2 through the axis 3, the other end of the front side of the handle 2 is rotatably connected to the clamping arm 2 through the axis 4, and the sum of the length of the connection line between the axis 2 and the axis 3 on the connecting plate and the length of the connection line between the axis 3 and the axis 4 on the handle 2 is greater than the length of the connection line between the axis 2 and the axis 4 when the clamping arm 1 and the clamping arm 2 are clamped.

[0005] The mold cover is hinged to the mold body.

[0006] The handle 1 and the handle 2 are wrapped with rubber.

[0007] Compared with the prior art, the utility model clamps the connection part of the ground rod and the connecting wire in the welding cavity of the mold body, and the reaction cavity generates aluminothermic reaction to generate molten iron which flows into the welding cavity and solidifies to weld the ground rod and the ground wire together. The self-locking function of the mold body is realized by the rotation cooperation between the handle, the connecting piece and the clamping arm, and the personnel can leave after ignition, thereby improving the welding safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a schematic diagram of the utility model.

[0009] Figure 2It is a schematic diagram of the expansion of the utility model.

[0010] Figure 3 It is a three-dimensional schematic diagram of the welded body.

[0011] Figure 4 Schematic diagram of the interior of the welded body.

[0012] See also Figure 1-Figure 4 , wherein 1 is mold body one, 2 is mold body two, 3 is reaction half cavity, 4 is drainage groove half cavity, 5 is welding half cavity, 6 is grounding wire half cavity, 7 is grounding rod half cavity, 8 is mold cover, 8-1 is ignition port, 9 is clamping arm one, 10 is clamping arm two, 11 is handle one, 12 is handle two, 13 is connecting piece, 14 is axis one, 15 is axis two, 16 is axis three, and 17 is axis four. DETAILED DESCRIPTION

[0013] The utility model is further described below with reference to the accompanying drawings.

[0014] like Figure 1-Figure 4 As shown, one side of the mold body 1 and the mold body 2 is provided with a reaction half cavity 3, a drainage groove half cavity 4, a welding half cavity 5 and a grounding rod half cavity 7 in sequence from the top surface to the bottom surface, the side of the welding half cavity 5 is provided with a grounding wire half cavity 6, the upper part of the reaction half cavity 5 is provided with a mold cover 8, and the bottom surface of the mold cover 8 is provided with an ignition port 8-1, the mold body 1 is fixedly connected to the clamping arm 19, the mold body 2 is fixedly connected to the clamping arm 210, the handle 11 and the clamping arm 9 are an integrated structure, and the front end of one side of the handle 11 is connected to the clamping arm 10 through the shaft 14. Arm 19 is rotationally connected, and the rear end of one side of the clamping arm 19 is rotationally connected to one end of the connecting plate 13 through shaft 2 15, and the other end of the connecting plate 13 is rotationally connected to one end of the front side of the handle 2 12 through shaft 3 16, and the other end of the front side of the handle 2 12 is rotationally connected to the clamping arm 2 10 through shaft 4 17, and the sum of the length of the connection between shaft 2 15 and shaft 3 16 on the connecting plate 13 and the length of the connection between shaft 3 16 and shaft 4 17 on the handle 2 12 is greater than the length of the connection between shaft 2 15 and shaft 4 17 when the clamping arm 19 and the clamping arm 2 10 are clamped.

[0015] The mold cover 8 is hinged to the mold body 1.

[0016] The handle 1 11 and the handle 2 12 are wrapped with rubber.

[0017] The reaction half cavity 3, the drainage groove half cavity 4, the welding half cavity 5, the grounding wire half cavity 6 and the grounding rod half cavity 7 of the mold body 1 and the mold body 2 2 are symmetrically arranged to form a complete cavity when closed.

[0018] When the utility model is used, after the grounding wire is connected to the grounding rod, the welding half cavity 5 of the mold body 1 and the mold body 2 is sleeved at the connection, the grounding rod enters the welding half cavity 5 from the grounding rod half cavity 7 below, and the grounding wire enters the welding half cavity 5 from the grounding wire half cavity 6 on the side, and then the mold body 1 and the mold body 2 are clamped, aluminum sheets and iron oxide powder are placed in the reaction half cavity 3, the mold cover 8 is closed, and ignition is ignited at the ignition port 8-1, and an aluminum heat reaction occurs, and molten iron flows downward from the drainage trough half cavity 4 to the welding half cavity 5, wrapping around the connection between the grounding rod and the grounding wire, and after cooling, the mold body 1 and the mold body 2 are opened to complete the welding.

[0019] When the mold body 1 and the mold body 2 are locked, the sum of the length of the connection line between the second axis 15 and the third axis 16 on the connecting piece 13 and the length of the connection line between the third axis 16 and the fourth axis 17 on the handle 2 12 is slightly greater than the length of the connection line between the second axis 15 and the fourth axis 17 when the clamping arm 1 9 and the clamping arm 2 10 are clamped, so that the third axis 16 can be stuck inside the connection line between the second axis 15 and the fourth axis 17, realizing the self-locking function. After ignition, people can leave and wait until it cools to a certain temperature before operating the handle 2 12 to open it, which is convenient for operation. The rubber wrapped outside the handle 11 and the handle 2 12 can play a role in heat insulation and anti-slip.

Claims

1. A ground rod welding device, comprising a mold body 1 (1) and a mold body 2 (2), characterized in that: A reaction half-cavity (3), a drainage groove half-cavity (4), a welding half-cavity (5) and a grounding rod half-cavity (7) are sequentially arranged on one side of the mold body (1) and the mold body (2) from the top surface to the bottom surface. A grounding wire half-cavity (6) is arranged on the side of the welding half-cavity (5). A mold cover (8) is arranged above the reaction half-cavity (3). An ignition port (8-1) is arranged on the bottom surface of the mold cover (8). The mold body (1) is fixedly connected to the clamping arm (9), and the mold body (2) is fixedly connected to the clamping arm (10). The handle (11) and the clamping arm (9) are an integrated structure. The front end of one side of the handle (11) is connected to the clamping arm (10) through a shaft (14). (9) is rotatably connected, the rear end of one side of the clamping arm one (9) is rotatably connected to one end of the connecting plate (13) through the second shaft (15), the other end of the connecting plate (13) is rotatably connected to one end of the front side of the handle two (12) through the third shaft (16), and the other end of the front side of the handle two (12) is rotatably connected to the clamping arm two (10) through the fourth shaft (17), and the sum of the length of the connecting line between the second shaft (15) and the third shaft (16) on the connecting plate (13) and the fourth shaft (17) on the handle two (12) is greater than the length of the connecting line between the second shaft (15) and the fourth shaft (17) when the clamping arm one (9) and the clamping arm two (10) are clamped.

2. A ground rod welding device according to claim 1, characterized in that: The mold cover (8) is hinged to the mold body (1).

3. A ground rod welding device according to claim 1, characterized in that: The handle 1 (11) and the handle 2 (12) are wrapped with rubber.

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