CN220341531U - Grounding wire dismounting device for transformer substation maintenance - Google Patents

Abstract

The utility model relates to the technical field of transformer substation maintenance and discloses a grounding wire dismounting device for transformer substation maintenance, which comprises a hollow handheld rod and a grounding wire, wherein an adjusting assembly is rotatably connected to the bottom of the hollow handheld rod, a hook is fixedly arranged at the top of the hollow handheld rod, a containing pipe is fixedly arranged in the middle of an arc-shaped part of the hook in a penetrating manner, a lap joint penetrating into the containing pipe is formed in the middle of the arc-shaped part of the hook, the grounding wire is exposed in the lap joint, a bolt is arranged on the upper side of the end part of the containing pipe in a penetrating manner, and the bolt is abutted to the surface of the grounding wire. The handheld hollow handheld rod and the adjusting component are used for hooking the hook on the circuit, the circuit is clamped into the interior of the lap joint and is contacted with the grounding wire, the handheld rotating handle is rotated, the assembly body of the supporting block and the arc-shaped supporting plate is lifted at the bottom of the circuit from the lower side and is matched with the inclined supporting plate, the grounding wire is tightly stretched at the lap joint of the circuit, and then the grounding wire is tightly attached to the circuit.

Description

Grounding wire dismounting device for transformer substation maintenance

Technical Field

The utility model relates to the technical field of transformer substation maintenance, in particular to a grounding wire dismounting device for transformer substation maintenance.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in the electric power system. In the daily maintenance process of the transformer substation, equipment and a circuit to be maintained are required to be grounded, a grounding wire is required to be lapped on the equipment and the circuit by a grounding wire dismounting device, and the grounding wire is dismounted after the maintenance is completed.

The application date is 2021-11-22, and the Chinese patent of the utility model with publication number of CN216818669U discloses a grounding wire dismounting device for transformer substation maintenance, which comprises a supporting rod, wherein a supporting mechanism is arranged at the top of the supporting rod, a grounding wire is arranged on the outer surface of the supporting rod, a clamping groove is formed in the outer surface of the lower end of the supporting rod, and a fixing device is arranged at the lower end of the supporting mechanism. According to the utility model, the grounding wire passes through the communication hole, and then one end passing through the communication hole is clamped in the clamping groove, so that the grounding wire can be connected with the circuit through the supporting rod, the grounding wire is convenient to disassemble and assemble, the pull rope is pulled through the clamping plate, the pull rope drives the deflection plate to tilt up to enable the arc plate to be in contact with the circuit, the grounding wire can be fixed in an auxiliary manner, the situation that the supporting rod is touched to drive the grounding wire to be separated from the circuit due to accidents can be avoided, and the fixing effect of the grounding wire is better.

In the above technical scheme, pass the intercommunicating pore through the earth connection, the card is fixed in the inside of draw-in groove, and the butt joint electric wire is fixed to the bracing piece with earth connection overlap joint to the circuit on, but the earth connection is copper material sinle silk generally, and weight is great, and the easy sagging is when upwards lifting, easily drops from the draw-in groove to influence follow-up overlap joint efficiency, can make further improvement.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a grounding wire dismounting device for transformer substation maintenance, which has the advantages of pre-fixing and stabilizing the grounding wire, stably lapping the grounding wire with a circuit and the like, and solves the problems that the grounding wire is heavy and easy to separate during lifting.

In order to achieve the purpose that the grounding wire is fixed and stable in advance and the grounding wire is in lap joint with a circuit, the utility model provides the following technical scheme: the utility model provides a ground connection wire dismouting device that transformer substation maintained, includes hollow handheld pole and ground connection wire, hollow handheld pole bottom rotates and is connected with adjustment subassembly, the top fixed mounting of hollow handheld pole has the couple, couple arc portion middle part runs through fixed mounting and has holds the pipe, it is tangent with couple arc portion axis to hold the pipe axis, hold pipe and the vertical partial mutually perpendicular of couple, the ground connection wire is pegged graft in holding the intraductal, the overlap joint mouth that runs through into holding intraductal is seted up at the arc portion middle part of couple, the ground connection wire exposes in the overlap joint mouth, the tip upside of holding the pipe runs through and is provided with the bolt, the bolt butt is on the ground connection wire surface, the top cover of hollow handheld pole is equipped with down the holder, hold the equal fixed mounting in both sides of pipe and have the holder, go up the holder and be located down the holder directly over.

Preferably, the adjusting component comprises a rotating handle which is rotationally connected to the bottom end of the hollow handheld rod, an annular flange is fixedly arranged at the bottom end of the hollow handheld rod, an annular groove is formed in the top end of the rotating handle corresponding to the annular flange, a rotating shaft is fixedly arranged at the top of the rotating handle, a thread groove is formed in the top end of the rotating shaft, and the rotating shaft is inserted into the hollow handheld rod and is arranged along the axis of the hollow handheld rod.

Preferably, the lower clamping piece comprises a sleeve sleeved at the top of the hollow handheld rod, a sliding groove is formed in the upper surface of the hollow handheld rod in a penetrating mode, the sliding groove is located in the sleeve, a sliding block is fixedly installed at the bottom of the inner wall of the sleeve and is slidably connected in the sliding groove, a threaded lantern ring is fixedly installed at the other end of the sliding block, the threaded lantern ring is in threaded connection with a threaded groove formed in a rotating shaft, a supporting block is fixedly installed at the top of the sleeve, and an arc-shaped supporting plate is fixedly installed at the top of the supporting block.

Preferably, the lower clamping piece further comprises an inclined supporting plate fixedly installed at two ends of the arc-shaped supporting plate, and the joint of the inclined supporting plate and the arc-shaped supporting plate is arc-shaped.

Preferably, the upper clamping piece comprises a mounting seat fixedly mounted at the front and rear parts of the accommodating tube, an L-shaped support is fixedly mounted at the top of the mounting seat, a spring is fixedly mounted at the bottom of the horizontal part of the L-shaped support, a connecting plate is fixedly mounted at the bottom end of the spring, a sliding arm is fixedly mounted at the bottom of the connecting plate, the sliding arm penetrates through the mounting seat and is in sliding connection with the mounting seat, a swivel base is hinged at the bottom end of the sliding arm, and an arc-shaped pressing plate is fixedly mounted at the bottom of the swivel base.

Preferably, the arc-shaped pressing plate and the sliding arm deflect back and forth relatively, and the arc-shaped pressing plate is located right above the inclined supporting plate.

Preferably, the hollow handheld rod and the adjusting component are made of insulating materials.

Compared with the prior art, the utility model provides a grounding wire dismounting device for transformer substation maintenance, which has the following beneficial effects:

1. according to the grounding wire dismounting device for transformer substation maintenance, the grounding wire is inserted into the accommodating tube in advance, then passes through the upper surface of the accommodating tube through a bolt and is tightly pressed on the surface of the grounding wire, and the grounding wire is fixed, so that the surface of the grounding wire is exposed out of the lap joint; thereby achieving the purpose of stabilizing the ground wire when the ground wire is fixed in advance;

2. this earth connection dismouting device that transformer substation maintained, in handheld hollow handheld pole and adjustment subassembly with couple hook on the circuit, the circuit card goes into the inside of overlap joint, contact with the earth connection, handheld rotating handle rotates again, make rotating handle rotate relative hollow handheld pole, drive pivot synchronous rotation, thereby drive the inside of the hollow handheld pole of screw thread lantern ring and upwards move, the slider upwards slides in the inside of spout, thereby drive sleeve upwards move, the assembly of supporting shoe and arc layer board lifts in the bottom of circuit from the downside, and cooperate the setting of slope layer board, earth connection and circuit overlap joint department tighten, and then ensure that earth connection and circuit closely laminate.

Drawings

Fig. 1 is a schematic perspective view of a ground wire dismounting device for transformer substation maintenance according to the present utility model;

fig. 2 is a schematic perspective view of an adjusting assembly of a ground wire dismounting device for transformer substation maintenance according to the present utility model;

fig. 3 is a schematic view of a perspective structure of a lower clamping part of a grounding wire dismounting device for transformer substation maintenance according to the present utility model;

fig. 4 is a schematic perspective view of an upper clamping part of a grounding wire dismounting device for transformer substation maintenance.

In the figure: 1. a hollow hand-held rod; 2. an adjustment assembly; 3. a hook; 4. a receiving tube; 5. a ground wire; 6. a lap joint; 7. a lower clamping member; 8. an upper clamping member; 21. a rotating handle; 22. an annular flange; 23. an annular groove; 24. a rotating shaft; 25. a thread groove; 71. a sleeve; 72. a chute; 73. a slide block; 74. a threaded collar; 75. a support block; 76. an arc-shaped supporting plate; 77. tilting the pallet; 81. a mounting base; 82. an L-shaped bracket; 83. a spring; 84. a connecting plate; 85. a sliding arm; 86. rotating base; 87. an arc-shaped pressing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a grounding wire dismounting device for transformer substation maintenance comprises a hollow handheld rod 1 and a grounding wire 5, wherein an adjusting assembly 2 is rotatably connected to the bottom of the hollow handheld rod 1, and the hollow handheld rod 1 and the adjusting assembly 2 are both made of insulating materials. The top of the hollow handheld rod 1 is fixedly provided with a hook 3, and the hook 3 is hung on a circuit when the hollow handheld rod is lapped. The utility model discloses a hanger, including couple 3 arc part middle part, the couple 3 arc part middle part runs through fixed mounting has holds tub 4, hold tub 4 axis and couple 3 arc part axis tangent, hold tub 4 and couple 3 vertical portion mutually perpendicular, earth connection 5 peg graft in holding tub 4, the overlap joint mouth 6 that runs through in holding tub 4 has been seted up at couple 3 arc part middle part, earth connection 5 exposes in overlap joint mouth 6, hold tub 4 tip upside and run through and be provided with the bolt, hold tub 4 surface and correspond and seted up the bolt hole. The bolts are abutted against the surface of the ground wire 5, thereby stably fixing the end of the ground wire 5 inside the housing tube 4 and overlapping the ground wire 5 with the line from the lap joint 6. The top cover of hollow handheld pole 1 is equipped with down grip 7, hold the equal fixed mounting in both sides of pipe 4 and have last grip 8, go up grip 8 and be located down grip 7 directly over. The lower clamping piece 7 and the upper clamping piece 8 are matched to clamp the circuit, so that the hook 3 is stably arranged on the circuit, and the grounding wire 5 and the circuit are ensured to be stably overlapped.

Referring to fig. 1-2, the adjusting assembly 2 includes a rotating handle 21 rotatably connected to the bottom end of the hollow handheld rod 1, an annular flange 22 is fixedly mounted at the bottom end of the hollow handheld rod 1, and an annular groove 23 is formed at the top end of the rotating handle 21 corresponding to the annular flange 22, so that the rotating handle 21 is stably rotatably connected to the bottom of the hollow handheld rod 1. The rotary shaft 24 is fixedly arranged at the top of the rotary handle 21, a thread groove 25 is formed in the top end of the rotary shaft 24, and the rotary shaft 24 is inserted into the hollow handheld rod 1 and is arranged along the axis of the hollow handheld rod 1.

Referring to fig. 1 and 3, the lower clamping member 7 includes a sleeve 71 sleeved on the top of the hollow handheld rod 1, a sliding groove 72 is provided on the upper surface of the hollow handheld rod 1, the sliding groove 72 is located in the sleeve 71, a sliding block 73 is fixedly installed at the bottom of the inner wall of the sleeve 71, the sliding block 73 is slidably connected in the sliding groove 72, a threaded collar 74 is fixedly installed at the other end of the sliding block 73, and the threaded collar 74 is screwed onto a threaded groove 25 provided on the rotating shaft 24, so that when the rotating shaft 24 rotates along with the rotating handle 21, the threaded collar 74 is matched with the threaded connection of the threaded groove 25 and the guiding function of the sliding block 73 and the sliding groove 72, so that the threaded collar 74 moves up and down in the hollow handheld rod 1, and the sleeve 71 is sleeved on the outer side of the hollow handheld rod 1. The top of the sleeve 71 is fixedly provided with a supporting block 75, and the supporting block 75 is positioned right below the arc-shaped part of the hook 3. The arc-shaped supporting plate 76 is fixedly arranged at the top of the supporting block 75, and the arc-shaped supporting plate 76 and the arc-shaped part of the hook 3 are positioned in two mutually perpendicular planes, so that when the hook 3 is hooked on a line, the arc-shaped supporting plate 76 can be arranged along the length direction of the line and supported below the line. The lower clamping piece 7 further comprises inclined supporting plates 77 fixedly arranged at two ends of the arc-shaped supporting plate 76, and the joint of the inclined supporting plates 77 and the arc-shaped supporting plate 76 is arc-shaped. By the arrangement of the inclined supporting plates 77, the two sides can lift the circuit upwards, and the lap joint of the grounding wire 5 and the circuit can be tightened.

Referring to fig. 4, the upper clamping member 8 includes a mounting seat 81 fixedly mounted at the front and rear of the accommodating tube 4, an L-shaped bracket 82 is fixedly mounted at the top of the mounting seat 81, a spring 83 is fixedly mounted at the bottom of the horizontal portion of the L-shaped bracket 82, a connecting plate 84 is fixedly mounted at the bottom of the spring 83, a sliding arm 85 is fixedly mounted at the bottom of the connecting plate 84, and the sliding arm 85 penetrates through the mounting seat 81 and is slidably connected with the mounting seat 81, and the assembly of the sliding arm 85 and the connecting plate 84 has a downward movement tendency due to the elasticity of the spring 83. The bottom end of the sliding arm 85 is hinged with a swivel seat 86, and an arc-shaped pressing plate 87 is fixedly arranged at the bottom of the swivel seat 86. The arc-shaped pressing plate 87 and the sliding arm 85 are deflected back and forth, and the arc-shaped pressing plate 87 is positioned right above the inclined supporting plate 77. Therefore, when the arc-shaped pressing plate 87 clamps the circuit with the inclined supporting plate 77, the elasticity of the spring 83 further ensures the compactness of the arc-shaped pressing plate 87, the inclined supporting plate 77 and the circuit.

Working principle: before the grounding wire is lapped, the grounding wire 5 is inserted into the accommodating tube 4 in advance, then passes through the upper surface of the accommodating tube 4 through a bolt and is pressed on the surface of the grounding wire 5, and the grounding wire 5 is fixed, so that the surface of the grounding wire 5 is exposed from the lapping port 6;

the hook 3 is hooked on the circuit through the handheld hollow handheld rod 1 and the adjusting component 2, the circuit is clamped into the interior of the lap joint 6 and is contacted with the ground wire 5, then the handheld rotating handle 21 rotates to enable the rotating handle 21 to rotate relative to the hollow handheld rod 1, the rotating shaft 24 is driven to rotate synchronously, the threaded lantern ring 74 is driven to move upwards along the interior of the hollow handheld rod 1, the sliding block 73 slides upwards in the sliding groove 72, the sleeve 71 is driven to move upwards, the assembly of the supporting block 75 and the arc-shaped supporting plate 76 is lifted at the bottom of the circuit from the lower side, and the ground wire 5 is tightly stretched at the lap joint of the circuit in cooperation with the arrangement of the inclined supporting plate 77, so that the ground wire 5 is tightly attached to the circuit;

when the circuit is lifted and contacts the arc-shaped pressing plate 87 due to the arc-shaped supporting plate 76, the arc-shaped pressing plate 87 is upwards extruded, the spring 83 is extruded in cooperation with the connecting action of the sliding arm 85 and the connecting plate 84, the stable clamping of the circuit between the arc-shaped pressing plate 87 and the inclined supporting plate 77 is ensured through the elastic action of the spring 83, the hook 3 is stably arranged on the circuit, and the lap joint effect of the grounding wire 5 and the circuit is further ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a ground connection wire dismouting device that transformer substation maintained, includes hollow handheld pole (1) and ground connection wire (5), its characterized in that: the utility model discloses a hollow handheld pole, including hollow handheld pole (1), couple (3) are held in the top fixed mounting of hollow handheld pole (1), fixed mounting is run through in couple (3) arc part middle part has hold pipe (4), hold pipe (4) axis and couple (3) arc part axis tangent, hold pipe (4) and couple (3) vertical part mutually perpendicular, ground wire (5) are pegged graft in holding pipe (4), overlap joint (6) in holding pipe (4) have been seted up to the arc part middle part of couple (3) through going into, ground wire (5) expose in overlap joint (6), the tip upside of holding pipe (4) is run through and is provided with the bolt, the bolt butt is at ground wire (5) surface, the top cover of hollow handheld pole (1) is equipped with down holder (7), hold the equal fixed mounting in both sides of pipe (4) has last holder (8), it is located down holder (7) top.

2. The ground wire dismounting device for substation maintenance according to claim 1, wherein: the adjusting component (2) comprises a rotating handle (21) which is rotationally connected to the bottom end of the hollow handheld rod (1), an annular flange (22) is fixedly arranged at the bottom end of the hollow handheld rod (1), an annular groove (23) is formed in the top end of the rotating handle (21) corresponding to the annular flange (22), a rotating shaft (24) is fixedly arranged at the top of the rotating handle (21), a thread groove (25) is formed in the top end of the rotating shaft (24), and the rotating shaft (24) is inserted into the hollow handheld rod (1) and is arranged along the axis of the hollow handheld rod (1).

3. The ground wire dismounting device for substation maintenance according to claim 1, wherein: the lower clamping piece (7) comprises a sleeve (71) sleeved at the top of the hollow handheld rod (1), a sliding groove (72) is formed in the upper surface of the hollow handheld rod (1) in a penetrating mode, the sliding groove (72) is located in the sleeve (71), a sliding block (73) is fixedly installed at the bottom of the inner wall of the sleeve (71), the sliding block (73) is slidably connected in the sliding groove (72), a threaded lantern ring (74) is fixedly installed at the other end of the sliding block (73), the threaded lantern ring (74) is in threaded connection with a threaded groove (25) formed in the rotating shaft (24), a supporting block (75) is fixedly installed at the top of the sleeve (71), and an arc-shaped supporting plate (76) is fixedly installed at the top of the supporting block (75).

4. A ground wire dismounting device for substation maintenance according to claim 3, characterized in that: the lower clamping piece (7) further comprises inclined supporting plates (77) fixedly arranged at two ends of the arc-shaped supporting plates (76), and the joint of the inclined supporting plates (77) and the arc-shaped supporting plates (76) is arc-shaped.

5. The ground wire dismounting device for substation maintenance according to claim 1, wherein: the upper clamping piece (8) comprises a mounting seat (81) fixedly mounted on the front and rear parts of the accommodating tube (4), an L-shaped support (82) is fixedly mounted on the top of the mounting seat (81), a spring (83) is fixedly mounted on the bottom of the horizontal part of the L-shaped support (82), a connecting plate (84) is fixedly mounted on the bottom of the spring (83), a sliding arm (85) is fixedly mounted on the bottom of the connecting plate (84), the sliding arm (85) penetrates through the mounting seat (81) and is in sliding connection with the mounting seat (81), a swivel base (86) is hinged to the bottom of the sliding arm (85), and an arc-shaped pressing plate (87) is fixedly mounted on the bottom of the swivel base (86).

6. The ground wire dismounting device for substation maintenance according to claim 5, wherein: the arc-shaped pressing plate (87) and the sliding arm (85) deflect back and forth relatively, and the arc-shaped pressing plate (87) is positioned right above the inclined supporting plate (77).

7. The ground wire dismounting device for substation maintenance according to claim 1, wherein: the hollow handheld rod (1) and the adjusting component (2) are made of insulating materials.