Grounding clamp device for crossarm
Patent Information
- Application Number
- KR1020260172861
- Authority / Receiving Office
- KR · KR
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2026-09-10
- Publication Date
- 2026-09-18
Smart Images

Figure PAT00003_ABST
Abstract
Description
Technology Field
[0001] The present invention relates to a crossarm clamp device, and more specifically, to a crossarm clamp device capable of reducing the time required to install a grounding portion on a crossarm. Background Technology
[0003] When replacing the overhead ground wire support, it is necessary to loosen the bolt on the crossarm grounding terminal side to disconnect the ground wire. The ground wire was installed on the crossarm by pulling it out through the grounding hole and connecting it to the crossarm.
[0004] The method of installing such grounding wires on crossarms has the problem of increased work difficulty and construction time.
[0005] The background technology of the present invention is disclosed in Korean Registered Utility Model Publication No. 20-0280839 (Registered June 24, 2002; Title of invention: Grounding clamp for steel bar). The problem to be solved
[0007] The present invention was created to solve the above-mentioned problems, and the objective of the present invention is to provide a crossarm clamp device capable of shortening the time required to install a grounding part on a crossarm. means of solving the problem
[0009] The arm clamp device according to the present invention may include: a U-bolt part having a U-bolt body part that surrounds a utility pole and U-bolt extension parts that extend from both sides of the U-bolt body part; an arm clamp part mounted on the U-bolt extension part; a grounding part connected to the U-bolt extension part penetrating the arm clamp part and having a grounding wire detachably mounted thereon; and a fixing part mounted at the end of the U-bolt extension part and fixing the grounding part to the arm clamp part.
[0010] In the present invention, the grounding portion may include a grounding body portion formed by folding and having a grounding through-hole portion into which the U-bolt extension portion is inserted; and a grounding groove portion formed in the grounding body portion to accommodate the grounding wire.
[0011] In the present invention, the grounding body part may have one side open and the other side elastically deformable.
[0012] In the present invention, at least one grounding groove may be formed along the longitudinal direction of the grounding body portion.
[0013] In the present invention, the reinforcing member may include: a first reinforcing member mounted on the U-bolt extension member and having a space formed to accommodate the grounding member; and a second reinforcing member spaced apart from the first reinforcing member and mounted on the U-bolt extension member.
[0014] In the present invention, the fixing part may include a fixing nut part mounted on the U-bolt extension part; and a fixing washer part interposed between the second reinforcing part and the grounding part.
[0015] In the present invention, the fixing nut portion can be screw-fastened to the U-bolt extension portion. Effects of the invention
[0017] According to the crossarm clamp device of the present invention, it is possible to install a grounding part on the crossarm while simultaneously mounting the crossarm part on the utility pole, thereby shortening work time and reducing incidental costs. Brief explanation of the drawing
[0019] FIG. 1 is a perspective view schematically showing a steel clamp device according to one embodiment of the present invention from one direction. FIG. 2 is a perspective view schematically showing a crossarm clamp device according to one embodiment of the present invention from the other direction. FIG. 3 is an assembled perspective view schematically showing a steel clamp device according to one embodiment of the present invention. FIG. 4 is a perspective view schematically showing a grounding portion of a steel clamp device according to one embodiment of the present invention. FIG. 5 is a side view schematically showing a grounding wire mounted on a steel clamp device according to one embodiment of the present invention. FIG. 6 is a perspective view schematically showing a state in which a grounding wire is mounted on a steel clamp device according to one embodiment of the present invention. FIG. 7 is a perspective view schematically showing the state in which a grounding portion is received in a first arm clamp device according to one embodiment of the present invention. FIG. 8 is a perspective view schematically showing the state in which a grounding portion is received in a first arm clamp in an arm clamp device according to another embodiment of the present invention. FIG. 9 is a side view schematically showing the fastening state of the grounding part, the arm part, and the fixing part in the arm clamp device of the present invention. FIG. 10 is a perspective view schematically showing the fastening state of the grounding part, the arm part, and the fixing part of the arm clamp device of the present invention. Specific details for implementing the invention
[0020] An embodiment of a steel clamp device according to the present invention will be described below with reference to the attached drawings. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.
[0021] Furthermore, the terms described below are defined in consideration of their functions within the present invention, and these may vary depending on the intent or practice of the user or operator. Therefore, the definitions of these terms should be based on the content throughout this specification.
[0023] FIG. 1 is a perspective view schematically showing a crossarm clamp device according to one embodiment of the present invention from one direction; FIG. 2 is a perspective view schematically showing a crossarm clamp device according to one embodiment of the present invention from the other direction; FIG. 3 is an assembled perspective view schematically showing a crossarm clamp device according to one embodiment of the present invention; FIG. 4 is a perspective view schematically showing a grounding part of a crossarm clamp device according to one embodiment of the present invention; FIG. 5 is a side view schematically showing a grounding wire being mounted on a crossarm clamp device according to one embodiment of the present invention; FIG. 6 is a perspective view schematically showing a state in which a grounding wire is mounted on a crossarm clamp device according to one embodiment of the present invention; FIG. 7 is a perspective view schematically showing a state in which a grounding part is received in a first crossarm part of a crossarm clamp device according to one embodiment of the present invention; FIG. 8 is a perspective view schematically showing a state in which a grounding part is received in a first crossarm part of a crossarm clamp device according to another embodiment of the present invention; FIG. 9 is a side view schematically showing a fastening state of a grounding part, a crossarm part, and a fixing part of a crossarm clamp device according to the present invention; FIG. 10 is a crossarm of the present invention This is a perspective view schematically showing the fastening state of the grounding part, the arming part, and the fixing part of the clamp device.
[0024] Referring to FIGS. 1 to 10, a steel clamp device according to one embodiment of the present invention may include a U-bolt part (100), a steel part (200), a grounding part (300), and a fixing part (400).
[0025] The U-bolt portion (100) wraps around the outer surface of the utility pole (10), and a grounding portion (300) can be mounted. A fixing portion (400) can be mounted at the end of the U-bolt portion (100) where the grounding portion (300) is located.
[0026] The U-bolt portion (100) may include a U-bolt body portion (110) and a U-bolt extension portion (120). The U-bolt body portion (110) may wrap around the utility pole (10). The U-bolt body portion (110) is formed in a U-shape and may wrap around one side of the utility pole (10).
[0027] The U-bolt extension part (120) can be formed extending from both sides of the U-bolt body part (110). The U-bolt extension part (120) can be equipped with a grounding part (300) and a fixing part (400) can be fastened.
[0028] The reinforcing member (200) can be mounted on the U-bolt extension member (120). The reinforcing member (200) can cover the open portion of the U-shaped U-bolt member (100). The reinforcing member (200) can be double-layered. Each double-layered reinforcing member (200) can be mounted on the U-bolt extension member (120). A through-hole is formed through the reinforcing member (200) so that the U-bolt extension member (120) can be inserted and mounted.
[0029] The reinforcing member (200) may include a first reinforcing member (210) and a second reinforcing member (220). The first reinforcing member (210) may be mounted on the U-bolt extension member (120). The first reinforcing member (210) may have a space capable of accommodating a grounding member (300). Spaces capable of accommodating a grounding member (300) may be formed at both ends of the first reinforcing member (210).
[0030] The second reinforcing member (220) is spaced apart from the first reinforcing member (210) and can be mounted on the U-bolt extension member (120). A through hole portion can be formed through the first reinforcing member (210) and the second reinforcing member (220) so that the U-bolt extension member (120) can be inserted and mounted.
[0031] The grounding portion (300) is connected to a U-bolt extension portion (120) that penetrates the crossarm portion (200), and a grounding wire (20) can be detachably mounted. The grounding portion (300) is made of a metal material. The grounding wire (20) can be positioned to hang down toward the ground while mounted on the grounding portion (300).
[0032] The grounding portion (300) may include a grounding body portion (310) and a grounding groove portion (320). The grounding body portion (310) is formed by folding and may have a grounding through-hole portion (311) into which a U-bolt extension portion (120) is inserted.
[0033] The grounding body portion (310) may be formed by folding and overlapping a single plate. A grounding through hole portion (311) may be formed through the overlapping grounding body portion (310). One side of the grounding body portion (310) (right side in Fig. 4) may be open, and the other side (left side in Fig. 4) may be elastically deformable. A grounding wire (20) may be inserted and mounted through one side of the open grounding body portion (310). Alternatively, the grounding wire (20) may be inserted and mounted in the vertical direction through the grounding groove portion (320).
[0034] A grounding groove (320) may be formed in the grounding body (310) to accommodate a grounding wire (20). The grounding groove (320) may be formed to protrude outwardly in a wave-like shape on the grounding body (310). A covering portion (21) of the grounding wire (20) may be inserted and mounted in the grounding groove (320).
[0035] Referring to FIG. 5, the grounding wire (20) can be inserted through the open part of the grounding body part (310) and mounted in the grounding groove part (320).
[0036] At least one grounding groove (320) may be formed along the longitudinal direction (left and right direction based on FIG. 4) of the grounding body part (310). Multiple grounding grooves (320) may be formed in the grounding body part (310) so that multiple grounding wires (20) can be mounted or other objects can be mounted thereon.
[0037] Referring to FIGS. 7 and 8, the grounding portion (300) may be mounted on either of the pair of U-bolt extension portions (120) (see FIG. 7) or on each of the pair of U-bolt extension portions (120) (see FIG. 8).
[0038] The fixing part (400) is mounted on the end of the U-bolt extension part (120) (left end in Fig. 2) and can fix the grounding part (300) to the reinforcing part (200). The fixing part (400) is mounted on the U-bolt extension part (120) so that the grounding part (300) can be prevented from coming off.
[0039] The fixing part (400) may include a fixing nut part (410) and a fixing washer part (420). The fixing nut part (410) may be mounted on the U-bolt extension part (120). The fixing nut part (410) may be made of a nut having screw threads formed on its inner surface. The U-bolt extension part (120) may have screw threads formed on its outer surface that correspond to the screw threads of the fixing nut part (410).
[0040] The fixing nut portion (410) can be screw-fastened to the U-bolt extension portion (120). The fixing nut portion (410) is screw-fastened to the U-bolt extension portion (120), allowing for easy assembly and maintaining a securely fastened state.
[0041] The fixed washer portion (420) may be formed in a hollow disc shape. The fixed washer portion (420) may be interposed between the second reinforcing member (220) and the grounding member (300). The fixed washer portion (420) may be interposed between the second reinforcing member (220) and the grounding member (300) to allow the load to be distributed between the second reinforcing member (220) and the grounding member (300).
[0042] The assembly process of the arm clamp device according to the present invention can be explained.
[0043] The U-bolt portion (100) can wrap around the outer surface of the upper portion of the utility pole (10). The U-bolt body portion (110) wraps around the outer surface of the upper portion of the utility pole (10), and the U-bolt extension portion (120) can be positioned to protrude from the front of the utility pole (10).
[0044] A cross member (200) can be inserted and mounted into the U-bolt extension part (120) of the U-bolt part (100). A grounding part (300) is positioned between the first cross member (210) and the second cross member (220) and can be mounted on the U-bolt extension part (120).
[0045] A grounding wire (20) can be inserted through the open portion of the grounding body (310). The grounding wire (20) can be seated in the grounding groove (320).
[0046] The U-bolt extension part (120) can be inserted into the grounding through hole part (311) of the grounding body part (310). A fixing part (400) can be mounted on the end of the U-bolt extension part (120). The fixing nut part (410) of the fixing part (400) can be screw-fastened to the U-bolt extension part (120). The fixing washer part (420) of the fixing part (400) can be interposed between the second reinforcing part (220) and the grounding part (300).
[0047] According to the crossarm clamp device of the present invention, it is possible to install the crossarm part (200) on the utility pole (10) and simultaneously install the grounding part (300) on the crossarm part (200), thereby shortening the work time and reducing incidental costs.
[0049] Although the present invention has been described with reference to an embodiment illustrated in the drawings, this is merely illustrative, and those skilled in the art will understand that various modifications and equivalent alternative embodiments are possible therefrom. Accordingly, the true technical scope of protection of the present invention should be determined by the claims below. Explanation of the symbols
[0051] 10: Jeonju 20: Ground wire 21: Skin peeling 100: U-bolt section 110: U-bolt body 120: U-bolt extension 200: Wancheolbu 210: First forearm protrusion 220: Second forearm 300: Grounding part 310: Grounding body part 311: Ground penetration hole 320: Grounding groove 400: Fixed part 410: Fixing nut part 420: Fixed washer part
Claims
Claim 1 A clamp clamp device comprising: a U-bolt part having a U-bolt body part that surrounds a utility pole and U-bolt extension parts extending from both sides of the U-bolt body part; a clamp part mounted on the U-bolt extension part; a grounding part connected to the U-bolt extension part penetrating the clamp part and having a grounding wire detachably mounted thereon; and a fixing part mounted at the end of the U-bolt extension part and fixing the grounding part to the clamp part, wherein the grounding part comprises: a grounding body part formed by folding and having a grounding through-hole part into which the U-bolt extension part is inserted; and a grounding groove part formed in the grounding body part having a groove capable of receiving the grounding wire, wherein one side of the grounding body part is open and the other side is elastically deformable, and at least one grounding groove part is formed along the longitudinal direction of the grounding body part.
