Multi-operation-mode grounding wire clamp device
By introducing a pneumatic motor and gear transmission system into the grounding clamp device, the problem of limited application of existing grounding clamp devices in complex tower types and by different operators has been solved, and stable installation and efficient operation under different wire diameters and voltage levels have been achieved.
Patent Information
- Application Number
- CN202423207484.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing grounding clamp devices are limited in their application to complex tower types and different personnel and conductor directions due to the fixed connection between the rotating rod and the insulating rod. The installation process is inconvenient and unreliable. Furthermore, as the voltage level increases, the length and weight of the insulating rod increase, making manual tightening laborious and time-consuming.
It adopts an insulating rod and rotating rod design, combined with a wire clamp, limit seat, pneumatic motor and gear transmission system. The pneumatic motor drives the transmission shaft to rotate, which drives the gear and lead screw to move, realizing automatic adjustment of the clamp. This ensures that the minimum clamping force is maintained on different wire diameters, increases anti-slip performance, and improves connection stability through various positioning bolts and locking structures.
It achieves stable installation of the clamp under different wire diameters and voltage levels, reduces the difficulty of operation, improves installation efficiency and usage stability, ensures that it does not slip under the maximum design tensile force, and has passed multiple functional tests without any abnormalities.
Smart Images
Figure CN223583255U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric wiring, concretely to a multi-operation mode grounding wire clamp device. BACKGROUND
[0002] The grounding wire clamp is a safety appliance, which is mainly used for temporarily short-circuiting the grounded equipment to prevent the sudden power supply of high-voltage equipment during maintenance or other work, and to avoid the harm of induced voltage of adjacent high-voltage live equipment to human body. At the same time, it can also discharge the residual charge of the powered-off equipment to ensure the safety of the workers. The grounding wire clamp is mainly composed of a reinforced shell, a puncture blade, a sealing gasket, waterproof silicone grease, a high-strength bolt, a torque nut and a cable terminal cap, and is widely used in grounding, discharging or testing of 10KV insulated overhead cables. In addition, there are various types of grounding wire clamps, such as "O" type electrostatic grounding clamps suitable for clamping on tubular objects, "C" type electrostatic grounding clamps suitable for clamping on thick protrusions, etc. to meet the needs of different scenes. In the power-off operation of high-voltage transmission lines, the grounding wire clamp is a key safety device for ensuring the safety of the workers and the stable operation of the lines.
[0003] However, the existing grounding wire clamp device still has some problems in use:
[0004] The existing grounding wire clamp device is fixedly connected between the rotating rod and the insulating rod, which limits the application of the device in complex tower types and different operating personnel and line conductor directions, resulting in inconvenient and unreliable installation process, and unreliable contact area. In addition, with the increase of voltage level, the length and weight of the insulating rod increase, making the manual screwing process more laborious and time-consuming, and increasing the operation difficulty.
[0005] Therefore, we propose a multi-operation mode grounding wire clamp device to solve the problems mentioned above. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a multi-operation mode grounding wire clamp device to solve the problems that the grounding wire clamp device is fixedly connected between the rotating rod and the insulating rod, which limits the application of the device in complex tower types and different operating personnel and line conductor directions, resulting in inconvenient and unreliable installation process, and unreliable contact area. In addition, with the increase of voltage level, the length and weight of the insulating rod increase, making the manual screwing process more laborious and time-consuming, and increasing the operation difficulty.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multi-operation mode grounding wire clamp device, comprising an insulating rod and a rotating rod:
[0008] The upper part of the insulating rod is fixedly connected with a rotating rod, the upper part of the rotating rod is provided with a wire clamp, the top end of the wire clamp is fixedly provided with a limiting seat, the outer surface of the limiting seat is provided with a first positioning hole, and the middle part of the limiting seat is fixedly provided with a clamping plate.
[0009] The upper part of the limiting seat is provided with an upper clamp head, the bottom of the upper clamp head is fixedly provided with a connecting seat, the middle part of the connecting seat is provided with a connecting hole, the outer surface of the connecting seat is provided with a clamping groove, the connecting seat and the clamping plate constitute a clamping structure through the clamping groove, and the middle part of the first positioning hole penetrates a first positioning bolt.
[0010] The upper clamp head is clamped into the middle part of the limiting seat through the connecting seat, and the first positioning bolt penetrates the middle part of the first positioning hole and the connecting hole, so that the upper clamp head is fixed, and according to design requirements, the first positioning hole is designed in two groups, so that the position of the upper clamp head in the limiting seat can be conveniently adjusted, so that higher anti-slip performance is achieved, and the occlusion fastening performance of different wire diameters is adapted.
[0011] Preferably, the wire clamp is provided with a sliding groove on one side, and a pneumatic motor is bolted to one side of the wire clamp, the output end of the pneumatic motor is movably connected with a transmission shaft, one end of the transmission shaft is fixedly provided with a first gear, and the outer surface of the first gear is engaged with a second gear.
[0012] The transmission shaft is driven to rotate by the pneumatic motor, the first gear is driven to rotate by the transmission shaft, and the second gear is driven to rotate by the first gear, so that the distance between the clamping heads can be adjusted in a pneumatic manner to adapt to the occlusion fastening performance of different wire diameters, and multiple function tests are performed after power failure reset without any abnormality.
[0013] Preferably, the middle part of the second gear penetrates a lead screw, and the first and last ends of the lead screw are in bearing rotary connection with the inner wall of the wire clamp, the outer surface of the lead screw is screw-connected with a supporting seat, the outer surface of the supporting seat is in abutting and sliding connection with the sliding groove, and the supporting seat is fixedly provided with a lower clamp head on one side.
[0014] The lead screw is driven to rotate by the second gear, the supporting seat is moved up and down along the sliding groove by the lead screw, so as to drive the lower clamp head to adjust the position between the lower clamp head and the upper clamp head, thereby ensuring that the clamping head maintains the minimum clamping force on the wire of different diameters, ensuring that it does not slip off under the maximum design tension, and ensuring the installation stability.
[0015] Preferably, the upper end surface of the rotating rod is provided with a second positioning hole, and the lower end surface of the wire clamp is fixedly provided with a second positioning bolt, and the second positioning bolt constitutes a clamping connection between the second positioning hole and the rotating rod.
[0016] By adopting the technical scheme, the wire clamp is fixed with the rotating rod through the clamping connection of the second positioning peg and the second positioning hole, so that the installation is facilitated and the use efficiency is improved.
[0017] Preferably, one side of the wire clamp is fixed with a clamping piece, and the outer surface of the clamping piece is designed as an irregular structure.
[0018] By designing the irregular clamping piece on one side of the wire clamp, the stability of the connection is increased through the irregular design, the structural stability of the wire clamp is ensured during use, and the use effect is improved.
[0019] Preferably, one side of the rotating rod is welded with a support, one side of the support is fixed with a connecting piece, the connecting piece is in clamping connection with the clamping piece in correspondence, a insertion hole is formed in the middle of the clamping piece, and the third positioning peg is in clamping connection with the insertion hole.
[0020] By clamping connection of the connecting piece and the clamping piece in correspondence, the rotating rod is fixedly connected with the wire clamp, and the anti-slip performance and operation convenience are improved.
[0021] Compared with the prior art, the utility model has the advantages of:
[0022] 1. The transmission shaft is driven to rotate by the pneumatic machine, the first gear is driven to rotate by the transmission shaft, the second gear is driven to rotate by the first gear, the lead screw is driven to rotate by the second gear, and the support seat is moved up and down along the sliding groove to drive the position between the lower clamp head and the upper clamp head, so that the distance between the clamp heads is adjusted by the pneumatic mode, the minimum clamping force of the clamp head on the wire of different diameters is ensured, the clamp head does not slip under the maximum design tension, the installation stability is ensured, the occlusion fastening of different wire diameters is adapted, and the function test is normal after power-off reset.
[0023] 2. The upper clamp head is clamped into the middle part of the limiting seat through the connecting seat, and the first positioning peg passes through the middle part of the first positioning hole and the connecting hole to fix the upper clamp head, two groups of first positioning holes are designed according to the design requirement, the position of the upper clamp head in the limiting seat is adjusted, the occlusion fastening of different wire diameters is adapted, the clamp head does not slip under the maximum design tension, and the installation stability is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a front view of the structure of the utility model;
[0025] Figure 2 It is a main body sectional view of the structure of the utility model;
[0026] Figure 3The utility model discloses a schematic diagram of upper chuck and wire clamp connection structure.
[0027] Figure 4 The utility model discloses a schematic diagram of lower chuck moving structure.
[0028] Figure 5 The utility model discloses a schematic diagram of wire clamp and rotating rod connection structure.
[0029] In the drawing: 1, insulating stick, 2, rotating rod, 3, wire clamp, 4, limit seat, 5, first positioning hole, 6, clamping plate, 7, upper chuck, 8, connecting seat, 9, connecting hole, 10, clamping groove, 11, first positioning bolt, 12, sliding slot, 13, pneumatic machine, 14, transmission shaft, 15, first gear, 16, second gear, 17, screw rod, 18, support seat, 19, lower chuck, 20, second positioning hole, 21, second positioning bolt, 22, clamping piece, 23, third positioning bolt, 24, support, 25, connecting piece, 26, insertion hole. DETAILED DESCRIPTION
[0030] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0031] In order to solve the problem that with the increase of voltage level, the length and weight of the insulating stick increase, the manual screwing process is more laborious and time-consuming, and the operation difficulty increases in the prior art, the following scheme is disclosed, please refer to Figures 1-5 The utility model provides a kind of technical scheme: a multi-operation mode ground wire clamp device, including insulating stick 1 and rotating rod 2: the upper side of insulating stick 1 is fixedly connected with rotating rod 2, the upper side of rotating rod 2 is provided with wire clamp 3, the top of wire clamp 3 is fixed with limit seat 4, the outer surface of limit seat 4 is provided with first positioning hole 5, and the middle part of limit seat 4 is fixed with clamping plate 6;The upper side of limit seat 4 is provided with upper chuck 7, and the bottom of upper chuck 7 is fixed with connecting seat 8, the middle part of connecting seat 8 is provided with connecting hole 9, the outer surface of connecting seat 8 is provided with clamping groove 10, and connecting seat 8 forms clamping structure with clamping plate 6 through clamping groove 10, and the middle part of first positioning hole 5 is penetrated by first positioning bolt 11.Upper chuck 7 is clamped into the middle part of limit seat 4 through connecting seat 8, and first positioning bolt 11 is penetrated through first positioning hole 5 and the middle part of connecting hole 9, so as to fix upper chuck 7, and according to design requirement, design two groups of first positioning hole 5, can conveniently adjust the position of upper chuck 7 in limit seat 4, to adapt to different wire diameter and occlusal fastening, ensure not to slip under maximum design tension, guarantee installation stability.
[0032] The side of the wire clamp 3 is provided with a sliding groove 12, and the side of the wire clamp 3 is bolt-connected with a pneumatic machine 13. The output end of the pneumatic machine 13 is movably connected with a transmission shaft 14, one end of the transmission shaft 14 is fixed with a first gear 15, and the outer surface of the first gear 15 is engaged with a second gear 16. The middle part of the second gear 16 penetrates a lead screw 17, and the first and last ends of the lead screw 17 are bearing-rotatably connected with the inner wall of the wire clamp 3. The outer surface of the lead screw 17 is threadedly connected with a support seat 18, and the outer surface of the support seat 18 is slidingly connected with the sliding groove 12. The side of the support seat 18 is fixed with a lower chuck 19. The transmission shaft 14 is driven to rotate by the pneumatic machine 13, the transmission shaft 14 drives the first gear 15 to rotate, the first gear 15 drives the second gear 16 to rotate, and then the second gear 16 drives the lead screw 17 to rotate, and the lead screw 17 drives the support seat 18 to move up and down along the sliding groove 12, so as to drive the lower chuck 19 to move away from the upper chuck 7. The distance between the chucks can be adjusted by the pneumatic method, so as to ensure that the chuck maintains the minimum clamping force on the wire with different diameters, ensures that it does not slip under the maximum design tension, guarantees the installation stability, and adapts to different wire diameters and bite fastening properties, and has no abnormality in multiple function tests after power failure reset.
[0033] The upper end surface of the rotating rod 2 is provided with a second positioning hole 20, and the lower end surface of the wire clamp 3 is fixed with a second positioning bolt 21, and the second positioning bolt 21 is clamped and connected between the second positioning hole 20 and the rotating rod 2. The side of the wire clamp 3 is fixed with a clamping piece 22, and the outer surface of the clamping piece 22 is designed as an irregular structure. The outer surface of the clamping piece 22 is fixed with a third positioning bolt 23. The side of the rotating rod 2 is welded with a support 24, the side of the support 24 is fixed with a connecting piece 25, and the connecting piece 25 is clamped and connected with the clamping piece 22 in correspondence. The middle part of the clamping piece 22 is provided with a insertion hole 26, and the third positioning bolt 23 is clamped and connected with the insertion hole 26. The wire clamp 3 is fixed with the rotating rod 2 through the clamping connection of the second positioning bolt 21 and the second positioning hole 20, and the connecting piece 25 is installed on the side of the rotating rod 2. The connecting piece 25 is irregularly clamped and connected with the clamping piece 22, and the third positioning bolt 23 installed on the side of the clamping piece 22 is clamped and connected with the insertion hole 26 in the middle of the connecting piece 25. Further, the connecting tightness of the connecting piece 25 and the clamping piece 22 is increased, the anti-dropping effect is increased, and the structure stability of the wire clamp is ensured during use, so as to improve the use effect.
[0034] Working principle: for this kind of multi-operation grounding clamp device, first, the upper clamp head 7 is clamped into the middle part of the limiting seat 4 through the connecting seat 8, and the first positioning pin 11 passes through the first positioning hole 5 and the middle part of the connecting hole 9, so as to fix the upper clamp head 7, and according to the design requirement, the first positioning hole 5 is designed as two groups, which can conveniently adjust the position of the upper clamp head 7 in the limiting seat 4, so as to adapt to the occlusion fastening of different wire diameters and ensure that it does not slip off under the maximum design tension. In the use process, the transmission shaft 14 is driven to rotate by the pneumatic machine 13, the first gear 15 is driven to rotate by the transmission shaft 14, the second gear 16 is driven to rotate by the first gear 15, and the screw rod 17 is driven to rotate by the second gear 16, so that the supporting seat 18 moves up and down along the sliding groove 12, so as to drive the adjusting lower clamp head 19 to move away from the upper clamp head 7, so as to adjust the distance between the clamp heads by pneumatic mode, so as to ensure that the clamp head maintains the minimum clamping force on the wire of different diameters, ensures that it does not slip off under the maximum design tension, guarantees the installation stability, adapts to the occlusion fastening of different wire diameters, and has no abnormality after power failure reset and multiple function test.
[0035] Thus a series of work is completed, and the contents not described in detail in the specification belong to the prior art known by the person skilled in the art.
[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A multi-operation grounding clamp device, comprising an insulating rod (1) and a rotating rod (2), characterized in that: A rotating rod (2) is fixedly connected above the insulating rod (1), and a wire clamp (3) is provided above the rotating rod (2). A limit seat (4) is fixed at the top of the wire clamp (3), and a first positioning hole (5) is opened on the outer surface of the limit seat (4). A card plate (6) is fixed in the middle of the limit seat (4). An upper chuck (7) is provided above the limiting seat (4). A connecting seat (8) is fixed at the bottom of the upper chuck (7). A connecting hole (9) is provided in the middle of the connecting seat (8). A slot (10) is provided on the outer surface of the connecting seat (8). The connecting seat (8) and the card plate (6) form a locking structure through the slot (10). A first positioning bolt (11) passes through the middle of the first positioning hole (5).
2. The multi-operational mode ground clip device of claim 1, wherein: The wire clamp (3) has a sliding groove (12) on one side, and a pneumatic motor (13) is bolted to one side of the wire clamp (3). The output end of the pneumatic motor (13) is movably connected to a transmission shaft (14). One end of the transmission shaft (14) is fixed with a first gear (15), and a second gear (16) meshes with the outer surface of the first gear (15).
3. The multi-operational mode ground clip device of claim 2, wherein: The second gear (16) has a lead screw (17) running through its middle part, and the beginning and end ends of the lead screw (17) are rotatably connected to the inner wall of the wire clamp (3) by bearings. The outer surface of the lead screw (17) is threadedly connected to a support seat (18), and the outer surface of the support seat (18) is in close sliding connection with the slide groove (12). A lower chuck (19) is fixed on one side of the support seat (18).
4. The multi-operation mode grounding clamp device according to claim 1, characterized in that: The upper end face of the rotating rod (2) is provided with a second positioning hole (20), and the lower end face of the wire clamp (3) is fixed with a second positioning bolt (21), and the second positioning bolt (21) is engaged with the rotating rod (2) through the second positioning hole (20).
5. A multi-operation mode grounding clamp device according to claim 4, characterized in that: The clamp (3) is fixed with a clip (22) on one side, and the outer surface of the clip (22) has an irregular structure design. The outer surface of the clip (22) is fixed with a third positioning bolt (23).
6. A multi-operation mode grounding clamp device according to claim 1, characterized in that: A support (24) is welded to one side of the rotating rod (2), and a connector (25) is fixed to one side of the support (24). The connector (25) and the clamp (22) are engaged and connected. The clamp (22) has an insertion hole (26) in the middle, and the third positioning bolt (23) is engaged and connected to the insertion hole (26).