Electric wire double-tongue structure grounding rod

Abstract

The utility model provides a wire double-tongue structure grounding rod, which relates to the technical field of power transmission facilities, and comprises a clamping frame, one side of which is provided with a connecting lead; a clamping assembly is arranged on the clamping frame; a traction rope is arranged on the clamping frame; an insulating sleeve is arranged at the bottom of the clamping frame, the positioning pressing plate can be driven to slide along the limiting column by manually adjusting a rotary knob at the end of the locking screw rod, a wiring copper nose connected with a wire can be stably clamped between the mounting seat and the positioning pressing plate through the elastic effect of the extension spring, the locking screw rod is effectively prevented from loosening, and the wiring copper nose can be stably clamped between the mounting seat and the positioning pressing plate. Therefore, loosening and overheating at the joint are prevented, the connection and use reliability of the connecting wire is improved, and the problems that when an existing wire double-tongue structure grounding rod is used, the connecting wire continues a traditional screw pressing connection fixing technology all the time, the connecting wire is prone to being affected by wind swing when used outdoors, a pressing screw is prone to loosening, and the service life of the connecting wire is prolonged are solved. And the reliability during connection and use is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission facilities, in particular to a grounding rod with a double-tongue structure for electric wires. Background Art

[0002] Double-tongue grounding wires are widely used in various electrical equipment, such as distribution boxes, switch boxes, wire ducts, etc. The most important application is electrical safety protection. During the installation, maintenance, and troubleshooting of electrical equipment, double-tongue grounding wires can effectively prevent the risk of electric shock when the equipment is energized. In addition, they also play an important role in lightning protection, anti-interference, and signal transmission.

[0003] When the existing double-tongue structure grounding rod is in use, the connecting wire has been connected with the traditional screw crimping fixing technology. It is easily affected by wind swing when used outdoors, and the compression screws will become loose, reducing the reliability of the connection during use. In addition, the clamping structure is troublesome to disassemble after the electrical equipment is connected, and there is a great safety hazard in manual disassembly at close range, resulting in low practicality. Utility Model Content

[0004] The disclosed embodiment relates to a double-tongue structure grounding rod for electric wires. By manually adjusting the knob at the end of the locking screw, the positioning pressure plate can be driven to slide along the limit column, and the elastic action of the tension spring can be used to stably clamp the wiring copper nose of the connecting wire between the mounting seat and the positioning pressure plate, effectively avoiding loosening of the locking screw, thereby preventing loosening and overheating of the connection, and improving the reliability of the connection of the connecting wire.

[0005] The utility model provides a grounding rod with a double-tongue structure for electric wires, which specifically comprises: a clamping frame, one side of which is provided with a connecting wire; a clamping assembly is provided on the clamping frame; a traction rope is provided on the clamping frame; an insulating sleeve is provided at the bottom of the clamping frame; and an insulating rotating rod is provided in the insulating sleeve.

[0006] In at least some embodiments, a mounting seat is provided on the right side of the clamping frame, two limit columns are provided on the right side of the mounting seat, and the two limit columns are symmetrically distributed, a positioning pressure plate is provided on the right side of the mounting seat, and the limit column slides through the positioning pressure plate, two locking screws are provided on the positioning pressure plate, and the two locking screws are symmetrically distributed, a tension spring is mounted on the locking screw, the locking screw is connected to the mounting seat by a thread, and the two ends of the tension spring are respectively connected to the mounting seat and the positioning pressure plate.

[0007] In at least some embodiments, the clamping frame is in a U-shaped structure, and a clamping groove is provided on the inner side of the clamping frame, two support plates are provided in the clamping groove, and the two support plates are symmetrically distributed, three guide rollers are rotatably installed on the clamping frame, a mounting sleeve is provided on the right side of the clamping frame, and the mounting sleeve corresponds to the position of the mounting seat, the traction rope is transmission-connected to the three guide rollers, and the traction rope slides through the mounting sleeve.

[0008] In at least some embodiments, the end of the connecting wire is provided with a butt shrink tube, the butt shrink tube is provided with a wiring copper nose, the limiting column passes through the wiring copper nose, and the wiring copper nose is clamped between the mounting seat and the positioning pressure plate.

[0009] In at least some embodiments, the clamping assembly includes a clamping plate, a supporting spring and a connecting block. The clamping plate and the supporting spring are distributed in two places in a left-right symmetrical manner, and the clamping plate and the supporting spring are rotatably connected to the clamping frame through a pin shaft. A connecting block is provided at the top of the clamping plate, and the right connecting block is connected to the top of the traction rope.

[0010] In at least some embodiments, three support frames are provided on the top of the insulating sleeve, and the three support frames are distributed in a circular array. A fixing sleeve is provided in the middle position of the top of the three support frames, and the fixing sleeve is connected to the clamping frame. A guide ring is provided on one side of the fixing sleeve, and the traction rope slides through the guide ring. A rotating shaft tube is provided at the bottom end of the insulating sleeve.

[0011] In at least some embodiments, a retractable wheel is provided at the top of the insulating rotating rod, and the retractable wheel is arranged in the support frame, and the bottom end of the traction rope is wound and installed on the retractable wheel, a handle is provided at the bottom end of the insulating rotating rod, a sleeve is provided on the top of the handle, and the insulating sleeve is rotatably connected to the sleeve through a rotating shaft tube.

[0012] The utility model provides a grounding rod with a double-tongue structure for electric wires, which has the following beneficial effects:

[0013] The utility model is provided with a mounting seat and a positioning pressure plate. By manually adjusting the knob at the end of the locking screw, the positioning pressure plate can be driven to slide along the limit column, and the elastic effect of the tension spring can be used to stably clamp the wiring copper nose of the connecting wire between the mounting seat and the positioning pressure plate, effectively avoiding loosening of the locking screw, thereby preventing loosening and overheating of the connection, and improving the reliability of the connection of the connecting wire.

[0014] In addition, during the disassembly of the clamping assembly and the electrical equipment, the traction rope can be reeled in by manually rotating the handle and driving the retracting and releasing wheel to rotate through the insulating rotating rod. The guide roller and the installation sleeve cooperate with each other to enable the traction rope to pull the clamping plate on the right side to deflect around the pin shaft, thereby releasing the clamping of the electrical equipment, thereby improving the disassembly efficiency of the device. The structure is simple and the operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0016] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached picture:

[0018] Figure 1 The overall axial viewing angle structure schematic diagram of the present application is shown;

[0019] Figure 2 A schematic diagram of the structure of the clamping frame, connecting wires, clamping components and insulating sleeve of the present application is shown;

[0020] Figure 3 A schematic diagram of the structure of the mounting seat, positioning pressure plate and connecting wire in the exploded state of the present application is shown;

[0021] Figure 4 A schematic diagram of the structure of the clamping frame of the present application from a cross-sectional perspective is shown;

[0022] Figure 5 A schematic diagram of the structure of a partial insulating sleeve and an insulating rotating rod of the present application is shown;

[0023] Figure 6 This application shows Figure 5 Schematic diagram of the explosion state structure.

[0024] List of reference numerals:

[0025] 1. Clamping frame; 101. Mounting seat; 102. Limiting column; 103. Positioning pressure plate; 104. Locking screw; 105. Tension spring; 106. Clamping groove; 107. Support plate; 108. Guide roller; 109. Mounting sleeve;

[0026] 2. Connect the wires; 201. Connect the shrink tube; 202. Connect the copper nose;

[0027] 3. Clamping assembly; 301. Clamping plate; 302. Support spring; 303. Connecting block;

[0028] 4. Traction rope;

[0029] 5. Insulating sleeve; 501. Support frame; 502. Fixed sleeve; 503. Guide ring; 504. Rotating shaft tube;

[0030] 6. Insulated rotating rod; 601. Retracting and releasing wheel; 602. Handle; 603. Bushing. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Example 1: Please refer to Figures 1 to 6 :

[0033] The utility model provides a double-tongue structure grounding rod for electric wires, comprising: a clamping frame 1, one side of which is provided with a connecting wire 2; a clamping assembly 3 is provided on the clamping frame 1; a traction rope 4 is provided on the clamping frame 1; an insulating sleeve 5 is provided at the bottom of the clamping frame 1; and an insulating rotating rod 6 is provided in the insulating sleeve 5.

[0034] In the present disclosure, Figure 2 and Figure 3 As shown, a mounting seat 101 is provided on the right side of the clamping frame 1, two limiting columns 102 are provided on the right side of the mounting seat 101, and the two limiting columns 102 are symmetrically distributed, a positioning plate 103 is provided on the right side of the mounting seat 101, and the limiting column 102 slides through the positioning plate 103, and two locking screws 104 are provided on the positioning plate 103, and the two locking screws 104 are symmetrically distributed, and a tension spring 105 is sleeved on the locking screw 104, and the locking screw 104 is connected to the mounting seat 101 by a threaded manner, and the two ends of the tension spring 105 are respectively connected to the mounting seat 101 and the positioning plate 103;

[0035] A butt shrink tube 201 is provided at the end of the connecting wire 2, and a wiring copper nose 202 is provided on the butt shrink tube 201. The limiting column 102 passes through the wiring copper nose 202, and the wiring copper nose 202 is clamped between the mounting seat 101 and the positioning pressure plate 103. The utility model is provided with a mounting seat 101 and a positioning pressure plate 103. By manually adjusting the knob at the end of the locking screw 104, the positioning pressure plate 103 can be driven to slide along the limiting column 102, and by utilizing the elastic action of the tension spring 105, the wiring copper nose 202 of the connecting wire 2 can be stably clamped between the mounting seat 101 and the positioning pressure plate 103, and the installation of the connecting wire 2 can be quickly completed.

[0036] Embodiment 2, based on embodiment 1, as Figures 4 to 6As shown, the clamping frame 1 is of a U-shaped structure, and a clamping groove 106 is provided on the inner side of the clamping frame 1, two support plates 107 are provided in the clamping groove 106, and the two support plates 107 are symmetrically distributed, three guide rollers 108 are rotatably installed on the clamping frame 1, a mounting sleeve 109 is provided on the right side of the clamping frame 1, and the mounting sleeve 109 corresponds to the position of the mounting seat 101, the traction rope 4 is transmission-connected with the three guide rollers 108, and the traction rope 4 slides through the mounting sleeve 109;

[0037] The clamping assembly 3 includes a clamping plate 301, a supporting spring piece 302 and a connecting block 303. The clamping plate 301 and the supporting spring piece 302 are both distributed in two places in a left-right symmetrical manner, and the clamping plate 301 and the supporting spring piece 302 are rotatably connected to the clamping frame 1 through a pin shaft. A connecting block 303 is provided at the top of the clamping plate 301, and the right connecting block 303 is connected to the top of the traction rope 4;

[0038] Three support frames 501 are provided on the top of the insulating sleeve 5, and the three support frames 501 are distributed in a circular array. A fixing sleeve 502 is provided in the middle of the top of the three support frames 501, and the fixing sleeve 502 is connected to the clamping frame 1. A guide ring 503 is provided on one side of the fixing sleeve 502, and the traction rope 4 slides through the guide ring 503. A rotating shaft tube 504 is provided at the bottom of the insulating sleeve 5;

[0039] A retractable wheel 601 is provided at the top of the insulating rotating rod 6, and the retractable wheel 601 is arranged in the support frame 501, and the bottom end of the traction rope 4 is wound and installed on the retractable wheel 601, and a handle 602 is provided at the bottom end of the insulating rotating rod 6, and a sleeve 603 is provided on the top of the handle 602, and the insulating sleeve 5 is rotatably connected with the sleeve 603 by rotating the shaft tube 504. During the disassembly of the clamping assembly 3 and the electrical equipment, the handle 602 is manually rotated to drive the retractable wheel 601 to rotate through the insulating rotating rod 6, so that the traction rope 4 can be reeled in, and the guide roller 108 and the installation sleeve 109 cooperate with each other, so that the traction rope 4 can pull the clamping plate 301 on the right side to deflect with the pin shaft as the axis, thereby releasing the clamping of the electrical equipment.

[0040] The working principle of this embodiment: when in use, by manually adjusting the knob at the end of the locking screw 104, the positioning pressure plate 103 can be driven to slide along the limit column 102, and by utilizing the elastic action of the tension spring 105, the wiring copper nose 202 of the connecting wire 2 can be stably clamped between the mounting seat 101 and the positioning pressure plate 103, and the installation of the connecting wire 2 can be quickly completed; in the process of disassembling the clamping assembly 3 and the electrical equipment, by manually rotating the handle 602, the insulating rotating rod 6 drives the retracting wheel 601 to rotate, and the traction rope 4 can be reeled in, and the guide roller 108 and the installation sleeve 109 cooperate with each other, so that the traction rope 4 can pull the clamping plate 301 on the right side to deflect with the pin shaft as the axis, thereby releasing the clamping of the electrical equipment.

[0041] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A double-tongue grounding rod, characterized in that: include: A clamping frame, wherein a connecting wire is arranged on one side of the clamping frame; a clamping assembly is arranged on the clamping frame; a traction rope is arranged on the clamping frame; an insulating sleeve is arranged at the bottom of the clamping frame; and an insulating rotating rod is arranged in the insulating sleeve.

2. The double-tongue structure grounding rod of an electric wire according to claim 1, characterized in that: A mounting seat is provided on the right side of the clamping frame, and two limit columns are provided on the right side of the mounting seat, and the two limit columns are symmetrically distributed. A positioning pressure plate is provided on the right side of the mounting seat, and the limit column slides through the positioning pressure plate. Two locking screws are provided on the positioning pressure plate, and the two locking screws are symmetrically distributed. A tension spring is mounted on the locking screw, and the locking screw is connected to the mounting seat by a thread, and both ends of the tension spring are respectively connected to the mounting seat and the positioning pressure plate.

3. The double-tongue structure grounding rod of an electric wire according to claim 2, characterized in that: The clamping frame is of a U-shaped structure, and a clamping groove is provided on the inner side of the clamping frame. Two support plates are provided in the clamping groove, and the two support plates are symmetrically distributed. Three guide rollers are rotatably installed on the clamping frame. A mounting sleeve is provided on the right side of the clamping frame, and the mounting sleeve corresponds to the position of the mounting seat. The traction rope is transmission-connected to the three guide rollers, and the traction rope slides through the mounting sleeve.

4. The double-tongue structure grounding rod of an electric wire according to claim 1, characterized in that: The end of the connecting wire is provided with a butt shrink tube, the butt shrink tube is provided with a wiring copper nose, the limiting column passes through the wiring copper nose, and the wiring copper nose is clamped between the mounting seat and the positioning pressure plate.

5. The double-tongue structure grounding rod of an electric wire according to claim 1, characterized in that: The clamping assembly includes a clamping plate, a supporting spring and a connecting block. The clamping plate and the supporting spring are distributed in two places in a left-right symmetrical manner, and the clamping plate and the supporting spring are rotatably connected to the clamping frame through a pin shaft. A connecting block is provided at the top of the clamping plate, and the right connecting block is connected to the top of the traction rope.

6. The double-tongue structure grounding rod of an electric wire according to claim 1, characterized in that: Three support frames are arranged on the top of the insulating sleeve, and the three support frames are distributed in a circular array. A fixing sleeve is arranged in the middle position of the top of the three support frames, and the fixing sleeve is connected to the clamping frame. A guide ring is arranged on one side of the fixing sleeve, and the traction rope slides through the guide ring. A rotating shaft tube is arranged at the bottom end of the insulating sleeve.

7. The double-tongue structure grounding rod of an electric wire according to claim 1, characterized in that: A retractable wheel is provided at the top of the insulating rotating rod, and the retractable wheel is arranged in the support frame, and the bottom end of the traction rope is wound and installed on the retractable wheel, a handle is provided at the bottom end of the insulating rotating rod, a shaft sleeve is provided at the top of the handle, and the insulating sleeve is rotatably connected to the shaft sleeve through a rotating shaft tube.

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