CN102623928B - Grounding wire hook for overhead transmission line power cut overhaul - Google Patents

Abstract

The present invention is a grounding wire hook used for power failure inspection and maintenance of overhead transmission lines, which belongs to transmission line maintenance equipment, and is characterized in that the grounding wire hook is mainly composed of a hook body, a lower pressing plate, an upper fixing plate, an ear plate, an operating ring, a rack, and a gear Shaft, lower fixed plate, ground stake and gear, the upper part of the hook body is an arc-shaped hook head section extending from the left and the lower part is a cylindrical section. The cylindrical section of the hook body is fixed on the upper fixed plate and the right side of the lower fixed plate. Install the gear shaft and gear on the front and rear lug plates of the cylindrical section of the hook body in the round through hole of the hook body, fix the operation ring on the front end of the gear shaft, and pass through the upper and lower rectangular through holes on the left part of the upper and lower fixing plates. The rack column is equipped with a rack, the rack is meshed with the gear, and the lower pressure plate is set on the cylindrical section at the upper end of the rack column; the metal hook on the insulating operating rod clamps the operating ring and rotates, driving the gear and The gear rack is meshed and linked, so that the lower pressure plate and the wire are pressed or loosened, and the grounding is fast and reliable.

Description

Ground wire hook for overhead transmission line power failure maintenance

technical field

The invention belongs to a power transmission line maintenance device, in particular to a ground wire hook for maintenance of a 35-220kV overhead power transmission line.

Background technique

With the improvement of people's living standards, the demand for electricity continues to increase, and the construction of power grids continues to speed up, so that the workload of power outage reconstruction of overhead transmission lines continues to increase: it is often necessary to open or overlap the bow lines of tension towers to reduce the scope and duration of power outages , in the course of such ever-increasing power outage maintenance operations, it is necessary to hang the grounding wire on the conductors on both sides of the tension tower, but due to the limitation of the working space, the hanging grounding wire is often suspended at a small angle instead of the normal vertical suspension, but The currently used grounding wire can only be hung vertically. Once it is hung at a small angle, it is very easy to twist off the hanging head of the grounding wire and scrap it to lose the grounding effect in order to hang firmly. .

Contents of the invention

The purpose of the present invention is to propose a grounding wire hook for power failure maintenance of overhead transmission lines, which is not only reasonable in structure, but also safe and reliable in use, and can be reliably and quickly hung on overhead transmission lines of 35-220kV and above at any angle, and can use a The operation of the operating lever realizes multiple functions of one lever, improves the efficiency of hanging the ground wire, reduces costs, and reduces potential safety hazards.

The object of the present invention is achieved in the following way: a grounding wire hook for power failure maintenance of overhead transmission lines (abbreviated as grounding wire hook), which is characterized in that: the grounding wire hook for power failure maintenance of overhead power transmission lines is mainly composed of a hook body, a lower pressure plate, The upper fixed plate, lug plate, operating ring, rack, gear shaft, lower fixed plate, ground stake and gear are composed. The upper part of the hook body is an arc-shaped hook head section extending to the left. The cross section of the hook head section can be Rectangular or flat, the lower part of the hook body is a cylindrical section, and the cylindrical section of the hook body is fixed and installed in the round through hole on the right part of the upper and lower fixing plates, and its lower end section extends out of the lower fixing plate. On the cylindrical section of the hook body, corresponding to the lower part of the upper fixing plate, the front and rear ear plates with holes extending from the left are respectively welded at symmetrical intervals, and the gear shaft with a shoulder at the rear end section is slidably installed in the holes of the front and rear ear plates. The gear meshing with the rack is fixedly installed on the gear shaft section between the front and rear ear plates. The front end section of the gear shaft extends out of the front ear plate and a hole is fixed on the front end section of the gear shaft to install the operating ring. The right side of the lower end section of the body is fixedly installed with grounding piles; the upper and lower fixed plates have the same structure and are rectangular plates and are arranged horizontally at symmetrical intervals, and circular through holes are symmetrically opened on the right parts of the upper and lower fixed plates. , the cylindrical section of the wearing hook body is fixed in the upper and lower round through holes, and the left parts of the upper and lower fixing plates are respectively symmetrically opened with rectangular through holes. The rack column is equipped with a rack on the right side, and the rack is engaged with the gear correspondingly. The upper part is a cylindrical section with a small diameter, on which a rectangular lower pressing plate with a central hole and an arc-shaped upper surface is slidingly fitted.

When in use, first fix the grounding wire on the grounding pile, adjust the lower pressure plate so that the arc-shaped hook head of the hook body and the lower pressure plate are parallel to each other up and down, use the special metal hook equipped on the insulating operating rod to hook the operation ring, and put the hook The body is hung on the overhead power transmission wire, and then the special metal hook on the insulated operating rod is used to clamp and rotate the operating ring, thereby driving the operating ring to rotate, thus driving the gear shaft and gear to rotate, and the gear and the rack are meshed and linked to make the lower The pressing plate goes up and the wire is pressed tightly or the lower pressing plate is moved down and the wire is released, that is, the hanging or removal of the grounding wire hook and the grounding wire is completed, and the grounding is fast and reliable.

The grounding wire hook for maintenance of overhead power transmission lines during power outages proposed by the present invention has a reasonable structure and is convenient to use, and greatly improves the safety and efficiency of maintenance operations for overhead power transmission lines of 35-220kV and above.

The grounding wire hook for overhead power transmission line power outage maintenance proposed by the present invention will be further described in conjunction with the accompanying drawings and embodiments.

Description of drawings:

Fig. 1 is a three-dimensional schematic diagram of a grounding wire hook for overhead power transmission line power outage maintenance proposed by the present invention.

In Figure 1: 1. Hook body 2. Lower pressure plate 3. Upper fixed plate 4. Ear plate 5. Operating ring 6. Rack 7. Gear shaft 8. Lower fixed plate 9. Ground stake 10. Gear 11. Rack post 12. Wire.

Detailed ways

It can be seen from Figure 1 that a grounding wire hook for power failure maintenance of overhead transmission lines (grounding wire hook for short), is characterized in that: the grounding wire hook for power failure maintenance of overhead power transmission lines is mainly composed of a hook body 1, a lower pressure plate 2, The upper fixed plate 3, the ear plate 4, the operating ring 5, the rack 6, the gear shaft 7, the lower fixed plate 8, the ground stake 9 and the gear 10 are composed. The cross-section of this hook head section can be rectangular or flat, and the bottom of this hook body 1 is a cylindrical section, and the cylindrical section of this hook body 1 is fixedly worn in the circular through hole on the right part of the upper fixing plate 3 and the lower fixing plate 8 and Its lower end section stretches out the lower fixed plate 8 downwards, and on the cylindrical section of the hook body 1, the front and rear ear plates 4 with holes are welded respectively at the lower part of the upper fixed plate 3 at symmetrical intervals. In the hole of the plate 4, the gear shaft 7 with the shoulder of the rear end section is slidably installed, and the gear 10 meshed with the rack 6 is fixedly installed on the gear shaft section between the front and rear ear plates 4, and the front end section of the gear shaft 7 faces Stretch out the front ear plate 4 outside the front and open a hole on the front end section of the gear shaft 7 to fix the operating ring 5, and fix the ground stake 9 on the right side of the lower end section of the hook body; The same structures are all rectangular plates and are arranged horizontally at symmetrical intervals. Round through holes are symmetrically opened on the right parts of the upper and lower fixing plates 3 and 8 respectively. The left part of this upper and lower fixed plate 3,8 symmetrically offers rectangular through-holes respectively, in this upper and lower rectangular through-holes, the rack with the cross-section that is rectangular and that rack 6 is installed on the right side is worn with clearance fit ground Column 11, the rack 6 is engaged with the gear 10 correspondingly, the upper and lower end sections of the rack column 11 are correspondingly protruding from the upper and lower fixing plates 3, 8, and the upper end of the rack column 11 is a small diameter A cylindrical section, on which a rectangular lower pressing plate 2 with a central hole and an arc-shaped upper surface is slidingly fitted.

When in use, first fix the grounding wire on the grounding pile 9, adjust the lower pressure plate 2 so that the arc-shaped hook head of the hook body 1 and the lower pressure plate 2 are parallel to each other up and down, and use the special metal hook equipped on the insulating operating rod to hook the operation. Ring 5, hang the hook body 1 on the overhead power transmission wire 12, and then make the special metal hook on the insulated operating rod clamp and rotate the operating ring 5, thereby driving the operating ring 5 to rotate, thus driving the gear shaft 7 and the gear 10 Rotate, the gear 10 and the rack 6 are meshed and linked, so that the lower pressing plate 2 goes up and the wire 12 is pressed or the lower pressing plate 2 is moved down and the wire 12 is released, that is, the suspension or removal of the grounding wire hook and the grounding wire is completed, and the grounding is fast. And reliable.

Claims (1)

1. an overhead transmission line interruption maintenance clamp for ground wire, it is characterized in that: this overhead transmission line interruption maintenance clamp for ground wire is mainly by Hook (1), lower platen (2), upper mounted plate (3), otic placode (4), operation ring (5), tooth bar (6), gear shaft (7), bottom plate (8), ground stud (9) and gear (10) composition, the top of this Hook (1) is the arc gib head section that stretch on a left side, rectangular or the flat of the cross section of this gib head section, the bottom of this Hook (1) is cylindrical section, the cylindrical section of this Hook (1) is fixedly installed in the round tube hole of upper mounted plate (3) and bottom plate (8) right part and its lower end section outer bottom plate (8) that stretches out downwards, front and back otic placode (4) with holes is stretched on the left side that is welded respectively, the symmetrical compartment of terrain of lower portion that correspondence is positioned at upper mounted plate (3) on the cylindrical section of Hook (1), the shouldered gear shaft of rear end section (7) is slidably installed in the hole of otic placode (4) before and after this, the described gear (10) of fixed installation on the gear shaft part between front and back otic placode (4), the front end rigion of this gear shaft (7) is outer forward stretches out front ear plate (4) and the described operation ring (5) of perforate fixed installation on the front end rigion of gear shaft (7), at the described ground stud (9) of the right side of the lower end section of Hook (1) fixed installation, the structure of this upper mounted plate (3) and bottom plate (8) is identical to be rectangular slab and symmetrical compartment of terrain and to be and to be horizontally disposed with, upper, bottom plate (3, 8) right part is offered respectively described round tube hole symmetrically, in this upper and lower round tube hole, fixedly install the cylindrical section of Hook (1), on this, bottom plate (3, 8) left part is offered respectively rectangular through-hole symmetrically, this upper and lower rectangular through-hole intermediate gap install ordinatedly cross section rectangular and right flank on the tooth bar post (11) of described tooth bar (6) is installed, this tooth bar (6) and the corresponding engagement of gear (10), the upper and lower side section of this tooth bar post (11) is corresponding outer stretching out all, bottom plate (3, 8), the upper end of this tooth bar post (11) is the cylindrical section that diameter is little, the suit that slides on this cylindrical section offers the described lower platen (2) of the rectangle that centre bore and upper surface are arc surface.