CN116526171A - Electric power fortune maintenance end of a thread fixing device - Google Patents

Abstract

The utility model provides a fixing device for an electric power operation maintenance wire end, and relates to the technical field of electric power wire end fixing. This electric power fortune maintenance end of a thread fixing device includes earth bar and couple, be equipped with stop gear and extrusion piece between earth bar and the couple, stop gear includes spacing ratchet and spacing pawl, the surface fixedly connected with of spacing pawl connects the nose, the surface fixedly connected with pull wire of connecting the nose, the surface of extrusion piece is seted up flutedly, the outside of extrusion piece is equipped with telescopic machanism. This electric power fortune maintenance thread end fixing device passes through the cooperation design of earthing pole, couple, stop gear, extrusion piece and elevating system, need not to use more instrument rotation fixed screw to carry out the centre gripping to transmission line fixedly, and this kind of locking mode efficiency is higher, and makes things convenient for the staff to dismantle, can greatly increased staff connector lug's installation effectiveness, makes things convenient for the staff to use.

Description

A wire head fixing device for electric power operation and maintenance

technical field

The invention relates to the technical field of electric wire end fixing, in particular to a wire end fixing device for electric power operation and maintenance.

Background technique

Low-voltage grounding wires are mainly used for secondary protection of low-voltage lines in the maintenance of electric power operation and maintenance lines and in power outage maintenance of electrical equipment. When performing maintenance operations on equipment with high-voltage busbars, it is necessary to connect low-voltage grounding wires to prevent sudden calls to the equipment or The induced voltage in the equipment will cause harm to the maintenance personnel and provide a reliable guarantee for the maintenance personnel. The commonly used low-voltage grounding wire connecting rod is an insulating rod as a whole, and a connecting rod is arranged on its upper end, and a hook is arranged on the connecting rod , when in use, directly put the hook on the high-voltage line.

The patent No. CN215266734U discloses a wire head fixing device for electric power operation and maintenance, including a first splint, a second splint, a connecting plate, a placement slot, a fixing device, a hinged slot, a rotating column, a screw, a wing nut, and a card slot. , the lower side of the front end of the first splint is hinged to the lower side of the rear end of the second splint, and a connecting plate is vertically hinged on the upper end of the second splint, a slot is opened in the middle of the right end of the connecting plate, and the left side of the front end of the connecting plate is horizontally fixed There is a fixing device, a hinge groove is opened on the upper side of the right end of the first splint, and the hinge groove is vertically hinged with a rotating column. The utility model has a simple structure. The high-voltage line is clamped by the first clamping block and the second clamping block to prevent the device from sliding along the high-voltage line to cause danger. The wing nut is fixed by the fixing device to prevent it from loosening and causing it to fall off and affect maintenance. Manual rotation Wing nuts are used for fixing.

In the patent No. CN114069268A, a grounding clamp is disclosed, including: a clamp body, a slide rail and a push rod; the clamp body includes a first clamp body and a second clamp body; the guiding direction of the slide rail is the first direction, the first clip body and the second clip body are arranged on the slide rail at relative intervals along the first direction, the second clip body slides and fits with the slide rail along the first direction, and the end surface of the second clip body away from the first clip body is the first The lower end surface of the second clip body; the ejector rod is rotationally connected with the slide rail, and the rotational connection is located on the side of the second clip body away from the first clip body, one end surface of the ejector rod abuts against the lower end surface of the second clip body, and the ejector rod is rotated Driving the second clip body to move along the first direction. The ground wire clamp can push the second clamp body close to the first clamp body along the first direction by rotating the ejector rod relative to the slide rail, thereby reducing the distance between the second clamp body and the first clamp body, thereby achieving the purpose of clamping the transmission line and realizing Provides convenient and simple clamping of transmission lines.

However, in the above-mentioned patents, when fixing the wire end of the grounding wire, the staff needs to twist the screw to clamp and fix the transmission line through the splint, and when the screw and the splint are used to fix the transmission line, although it can play a role in the transmission line. Good clamping and fixing effect, but this locking method is inefficient and inconvenient to disassemble. When turning the screw, it is necessary to use tools such as an open-end wrench and keep turning it, which is more troublesome and reduces the installation of the terminal efficiency.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a wire head fixing device for electric power operation and maintenance, which solves the need to use fixing screws and splints to clamp and fix the transmission line in the above-mentioned comparative patents, which is inconvenient to disassemble and assemble, and has low efficiency. The problem.

(2) Technical solution

In order to achieve the above objectives, the present invention is achieved through the following technical solutions: a wire end fixing device for electric power operation and maintenance, including a grounding rod and a hook, a limiting mechanism and an extrusion block are arranged between the grounding rod and the hook, and the limiting The positioning mechanism includes a limit ratchet and a limit ratchet, the outer surface of the limit ratchet is fixedly connected with a connecting nose, the outer surface of the connecting nose is fixedly connected with a traction line, and the outer surface of the extrusion block is provided with Groove, the outside of the extrusion block is provided with a telescopic mechanism, the telescopic mechanism includes a sliding block and a return spring fixedly connected to the outer surface of the sliding block and arranged equidistantly, the inside of the grounding rod is provided with a lifting mechanism, the The lifting mechanism includes a tank set on the outer surface of the grounding rod. The inner top wall of the tank is rotatably connected with a lifting screw. The lifting screw runs through the grounding rod and is rotatably connected with the grounding rod. There is a lifting block, and the outer surface of the lifting block is fixedly connected with the outer surface of the extruding block.

Preferably, the limit mechanism further includes a hinge seat fixedly connected to the upper end of the ground rod, the limit pawl is hinged on the inner wall of the hinge seat, and the limit pawl is adapted to the limit ratchet.

Preferably, one end of the hook close to the ground rod is fixedly connected with a fixed shaft, the fixed shaft runs through the hinge base and the limit ratchet, the fixed shaft is fixedly connected with the limit ratchet, and the fixed shaft is rotatably connected with the hinge base.

Preferably, the inner wall of the hinge seat is hinged with a hinge cylinder, the inside of the hinge cylinder is slidably connected with a slide rod, and the end of the slide rod away from the hinge cylinder is fixedly connected with the outer surface of the limit pawl.

Preferably, the pulling wire runs through the grounding rod and extends to the outside of the grounding rod, the pulling wire is slidably connected to the grounding rod, and the pulling rod is fixedly connected to the end of the pulling wire away from the connecting nose.

Preferably, the telescoping mechanism further includes a cavity opened on the outer surface of the extruding block, and the sliding block is slidably connected inside the cavity.

Preferably, the end of each return spring away from the sliding block is fixedly connected to the inner wall of the cavity, and the outer surface of the sliding block is fixedly connected to an arc-shaped block.

Preferably, a rotating rod is fixedly connected to the bottom end of the lifting screw, and an anti-slip sleeve is fixedly connected to the outer surface of the bottom end of the rotating rod.

Preferably, a ground wire is fixedly connected to the outer surface of the ground rod, and a handle is fixedly connected to the outer surface of the ground rod.

Preferably, an extrusion pad is fixedly connected to the groove provided on the outer surface of the extrusion block, and the extrusion pad is made of rubber.

(3) Beneficial effects

The invention provides a wire end fixing device for electric power operation and maintenance. Has the following beneficial effects:

1. The wire head fixing device for electric power operation and maintenance is designed through the cooperation of the grounding rod, hook, limit mechanism, extrusion block and lifting mechanism. It is not necessary to use many tools to rotate the fixing screw to clamp and fix the transmission line. The locking method has high efficiency and is convenient for the staff to disassemble and assemble, which can greatly increase the installation efficiency of the staff's wiring head and facilitate the staff's use.

2. The wire end fixing device for electric power operation and maintenance, through the setting of the extrusion pad, can make the hook and the extrusion block convenient to clamp and fix the transmission lines of different diameters, and can make the transmission line and the hook closely contact, through the traction The setting of the wire and the pull bar, when it is necessary to release the limit to the limit ratchet and the limit ratchet, pull the pull bar, and the limit ratchet can be pulled by the pull line to separate from the limit ratchet, and the limit to the limit ratchet is released. bit.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention;

Fig. 2 is a schematic diagram of the three-dimensional structure of the extruded block of the present invention;

Fig. 3 is a schematic diagram of the three-dimensional structure of the telescopic mechanism of the present invention;

Fig. 4 is the enlarged schematic view of the structure at A in Fig. 1 of the present invention;

Fig. 5 is a schematic diagram of the three-dimensional structure of the limiting mechanism of the present invention;

Fig. 6 is an exploded view of the three-dimensional structure of the limiting mechanism of the present invention;

Fig. 7 is a schematic diagram of the three-dimensional structure of the lifting mechanism of the present invention;

Figure 8 is an enlarged schematic view of the structure at B in Figure 5 of the present invention;

FIG. 9 is an enlarged schematic diagram of the structure at C in FIG. 5 of the present invention.

Among them, 1. ground rod; 2. hook; 3. limit mechanism; 31. hinged seat; 32. fixed shaft; 33. limit ratchet; 34. limit ratchet; 35. hinged cylinder; 36. sliding rod; 37, connecting nose; 38, traction line; 39, pulling rod; 4, extrusion block; 5, telescopic mechanism; 51, arc block; 52, sliding block; 53, cavity; 54, return spring; Pressure pad; 7, lifting mechanism; 71, tank body; 72, lifting block; 73, lifting screw; 74, rotating rod; 75, anti-slip sleeve; 8, handle; 9, grounding wire.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1:

The embodiment of the present invention provides a wire end fixing device for electric power operation and maintenance, as shown in Figure 1-9, including a grounding rod 1 and a hook 2, and a limit mechanism 3 and an extrusion block 4 are arranged between the grounding rod 1 and the hook 2, The grounding rod 1 and the hook 2 are hinged through the limit mechanism 3. The ground rod 1 and the hook 2 are both made of wire material, which is the prior art, and the internal structure of the limit mechanism 3 is also made of wire material. The limit mechanism 3 includes a limit The ratchet 33 and the limit ratchet 34, the setting of the limit ratchet 34 can make the limit ratchet 33 rotate counterclockwise, and can play a position-limiting effect on the limit ratchet 33. When the limit ratchet 34 is stuck in the limit When the ratchet 33 is on, the limit ratchet 33 cannot rotate clockwise.

The outer surface of the limit ratchet 34 is fixedly connected with a connecting nose 37, and the outer surface of the connecting nose 37 is fixedly connected with a pull wire 38. When it is necessary to cancel the limit to the limit ratchet 33, pull the pull wire 38 to make the limit The ratchet 34 is separated from the limit ratchet 33, and the limit to the limit ratchet 33 is released, the outer surface of the extrusion block 4 is provided with a groove, and the outside of the extrusion block 4 is provided with a telescopic mechanism 5, which is convenient to set The power transmission line enters between the extruding block 4 and the hook 2. The telescopic mechanism 5 includes a sliding block 52 and a return spring 54 fixedly connected to an equidistant arrangement on the outer surface of the sliding block 52. The setting of the returning spring 54 facilitates the reset of the sliding block 52 and grounding The inside of the rod 1 is provided with a lifting mechanism 7, and the lifting mechanism 7 can move the extruding block 4 up and down.

The lifting mechanism 7 includes a groove body 71 that is opened on the outer surface of the grounding rod 1. The inner top wall of the groove body 71 is rotatably connected with a lifting screw 73. The lifting screw 73 runs through the grounding rod 1 and is connected with the grounding rod 1 in rotation. The surface is threadedly connected with a lifting block 72. When the lifting screw rod 73 rotates, it can drive the lifting block 72 to move up and down, and the height of the lifting block 72 is adjusted. The outer surface of the lifting block 72 is fixedly connected with the outer surface of the extrusion block 4. When the lifting block 72 moves up and down, it can drive the extruding block 4 to move up and down, and then can clamp and fix the power transmission line.

Example 2:

The limit mechanism 3 also includes a hinged seat 31 fixedly connected to the upper end of the ground rod 1, the limit ratchet 34 is hinged on the inner wall of the hinged seat 31, the limit ratchet 34 is compatible with the limit ratchet 33, the hinged seat 31 and the hook The outside of 2 is fixedly connected with stoppers, and the two stoppers are compatible, which can prevent the hook 2 from being squeezed to the extrusion block 4 when it rotates counterclockwise, and can limit the rotation angle of the hook 2 .

One end of the hook 2 close to the ground rod 1 is fixedly connected with a fixed shaft 32, the fixed shaft 32 runs through the hinged seat 31 and the limit ratchet 33, the fixed shaft 32 is fixedly connected with the limit ratchet 33, and the fixed shaft 32 is rotatably connected with the hinged seat 31. When the hook 2, the fixed shaft 32 and the limit ratchet 33 rotated, the hinged seat 31 was in a stationary state and would not drive the hinged seat 31 to rotate. The inwall of the hinged seat 31 was hinged with a hinged cylinder 35, and the inner sliding connection of the hinged cylinder 35 had Sliding rod 36, one end of sliding rod 36 away from hinge cylinder 35 is fixedly connected with the outer surface of limit ratchet 34, and support spring is installed between hinge cylinder 35 and slide rod 36, and the setting of support spring can make limit ratchet 34 Contact with the limit ratchet 33 all the time.

The pulling wire 38 runs through the grounding rod 1 and extends to the outside of the grounding rod 1. The pulling wire 38 is slidably connected to the grounding rod 1. The end of the pulling wire 38 away from the connecting nose 37 is fixedly connected with a pulling rod 39. When the limit ratchet 33 is separated, pull the pull rod 39, pull the traction line 38 by the pull rod 39, and then the limit ratchet 34 can be pulled to move away from the limit ratchet 33, and then the limit to the limit ratchet 33 can be canceled. bit.

Example 3:

The outer surface of the grounding rod 1 is fixedly connected with a grounding wire 9, and one end of the grounding wire 9 away from the grounding rod 1 is grounded, which is the prior art, and the present invention will not go into details. The outer surface of the grounding rod 1 is fixedly connected with a handle 8, The setting of the handle 8 is convenient for the staff to take the ground rod 1, and the groove provided on the outer surface of the extrusion block 4 is fixedly connected with an extrusion pad 6, which is made of rubber material, and the setting of the extrusion pad 6 can make the extrusion The block 4 is suitable for clamping and fixing transmission lines of different diameters, and can increase the friction between the extrusion block 4 and the transmission line.

The telescoping mechanism 5 also includes a cavity 53 provided on the outer surface of the extruding block 4, the sliding block 52 is slidably connected inside the cavity 53, and the end of each return spring 54 away from the sliding block 52 is fixedly connected with the inner wall of the cavity 53 , the return spring 54 can make the sliding block 52 move relative to the extrusion block 4, the outer surface of the sliding block 52 is fixedly connected with the arc block 51, the bottom end of the lifting screw 73 is fixedly connected with the rotating rod 74, and the outer surface of the rotating rod 74 bottom The surface is fixedly connected with an anti-slip sleeve 75. When the lifting screw rod 73 needs to be rotated, the rotating rod 74 can drive the lifting screw rod 73 to rotate. The anti-slip sleeve 75 is made of frosted material, which can increase the friction between the staff's hand and the rotating rod 74. force.

working principle:

During use, at first, lift the hook 2 to a high place through the ground rod 1, so that the power transmission line is located under the extruded block 4, pull the ground rod 1 downward, and the power transmission line is in contact with the arc block 51, and the power transmission line is connected to the cavity 53. Extrude the arc-shaped block 51 inside, the transmission line can pass through the extrusion block 4 and enter the top of the extrusion block 4, hang the hook 2 on the transmission line, at this time, rotate the rotating rod 74, and the rotation of the rotating rod 74 can drive the lifting The screw rod 73 rotates, and the lifting screw rod 73 rotates to raise the lifting block 72, and makes the transmission line contact with the extrusion pad 6, and squeezes the transmission line, and clamps and fixes the transmission line between the hook 2 and the extrusion block 4, when After finishing using, pull pull bar 39 downwards, can pull limit ratchet 34 to the direction rotation away from limit ratchet 33 by pulling line 38, at this moment, limit ratchet 33 separates with limit ratchet 34, contact pair Limit the position of the limit ratchet 33, and then pull down the grounding rod 1. At this time, the hook 2 will rotate clockwise around the fixed shaft 32, and the hook 2 will be turned over to the top of the grounding rod 1, so that the transmission line and the hook 2 and the extrusion block 4 phases are disengaged, which is convenient to cancel the clamping and fixing of the transmission line. This device does not need to use more tools to rotate the fixing screw to clamp and fix the transmission line. This locking method has high efficiency and is convenient for the staff to disassemble. , can greatly increase the installation efficiency of the staff's terminal head, and is convenient for the staff to use.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A wire end fixing device for electric power operation and maintenance, comprising a grounding rod (1) and a hook (2), characterized in that a limit mechanism (3) and Extrusion block (4), the limit mechanism (3) includes a limit ratchet (33) and a limit ratchet (34), the outer surface of the limit ratchet (34) is fixedly connected with a connecting nose (37 ), the outer surface of the connecting nose (37) is fixedly connected with a traction wire (38), the outer surface of the extruding block (4) is provided with a groove, and the outer surface of the extruding block (4) is provided with a telescopic mechanism (5), the telescoping mechanism (5) includes a sliding block (52) and a return spring (54) fixedly connected to the outer surface of the sliding block (52) and equidistantly arranged, and the inside of the grounding rod (1) is provided with A lifting mechanism (7), the lifting mechanism (7) includes a tank (71) set on the outer surface of the ground rod (1), the inner top wall of the tank (71) is rotatably connected with a lifting screw (73), The lifting screw (73) runs through the ground rod (1) and is rotationally connected with the ground rod (1). The outer surface of the lifting screw (73) is threaded with a lifting block (72), and the lifting block (72) The outer surface is fixedly connected with the outer surface of the extrusion block (4). 2. A wire end fixing device for electric power operation and maintenance according to claim 1, characterized in that: the limit mechanism (3) also includes a hinged seat (31) fixedly connected to the upper end of the ground rod (1), so that The limit ratchet (34) is hinged on the inner wall of the hinge seat (31), and the limit ratchet (34) is matched with the limit ratchet (33). 3. A wire head fixing device for electric power operation and maintenance according to claim 2, characterized in that: one end of the hook (2) close to the ground rod (1) is fixedly connected with a fixed shaft (32), and the fixed shaft (32) runs through the hinged seat (31) and the limit ratchet (33), the fixed shaft (32) is fixedly connected with the limit ratchet (33), and the fixed shaft (32) is rotatably connected with the hinged seat (31). 4. A wire head fixing device for electric power operation and maintenance according to claim 2, characterized in that: the inner wall of the hinge seat (31) is hinged with a hinge cylinder (35), and the inside of the hinge cylinder (35) slides A sliding rod (36) is connected, and the end of the sliding rod (36) away from the hinge cylinder (35) is fixedly connected with the outer surface of the limit ratchet (34). 5. A wire head fixing device for electric power operation and maintenance according to claim 1, characterized in that: the pulling wire (38) runs through the grounding pole (1) and extends to the outside of the grounding pole (1), and the pulling wire (38) The line (38) is slidingly connected to the ground rod (1), and the end of the pulling line (38) away from the connecting nose (37) is fixedly connected with a pulling rod (39). 6. A wire end fixing device for electric power operation and maintenance according to claim 1, characterized in that: the telescopic mechanism (5) also includes a cavity (53) opened on the outer surface of the extruded block (4), so that The sliding block (52) is slidingly connected inside the cavity (53). 7. A wire head fixing device for electric power operation and maintenance according to claim 6, characterized in that: the end of each return spring (54) away from the sliding block (52) is fixed to the inner wall of the cavity (53) connected, the outer surface of the sliding block (52) is fixedly connected with an arc-shaped block (51). 8. A wire head fixing device for electric power operation and maintenance according to claim 1, characterized in that: the bottom end of the lifting screw (73) is fixedly connected with a rotating rod (74), and the bottom of the rotating rod (74) The outer surface of the end is fixedly connected with a non-slip sleeve (75). 9. A wire head fixing device for electric power operation and maintenance according to claim 1, characterized in that: the outer surface of the grounding rod (1) is fixedly connected with a grounding wire (9), and the grounding rod (1) The outer surface is fixedly connected with a handle (8). 10. A wire head fixing device for electric power operation and maintenance according to claim 1, characterized in that: an extrusion pad (6) is fixedly connected to the groove opened on the outer surface of the extrusion block (4), and the Squeeze pad (6) is rubber material.