CN102623928A

CN102623928A - Grounding wire hook for overhead transmission line power cut overhaul

Info

Publication number: CN102623928A
Application number: CN2012100956618A
Authority: CN
Inventors: 杨冬; 王世祥; 王长征; 陈美权; 韩黎明; 汤可刚
Original assignee: MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2012-04-01
Filing date: 2012-04-01
Publication date: 2012-08-01
Anticipated expiration: 2032-04-01
Also published as: CN102623928B

Abstract

The invention relates to a grounding wire hook for overhead transmission line power cut overhaul, belonging to a transmission line overhaul device. The grounding wire hook is characterized by mainly comprising a hook body, a lower pressing plate, an upper fixing plate, ear plates, an operation ring, a rack, a gear shaft, a lower fixing plate, a grounding stud and a gear, wherein the upper part of the hook body is an arc hook head section extending leftwards, and the lower part of the hook is a cylindrical section; the cylindrical section of the hook body is fixedly penetrated in round through holes on the right parts of the upper fixing plate and the lower fixing plate; the gear shaft and the gear are arranged on the front and back ear plates of the cylindrical section of the hook body; the operation ring is fixedly arranged on the front end section of the gear shaft; a rack pole provided with the rack is penetrated in an upper rectangular through hole and a lower rectangular through hole on the left parts of the upper fixing plate and the lower fixing plate, and the rack is engaged with the gear; the lower pressing plate is sleeved on the cylindrical section on the upper end part of the rack pole; and the operation ring is tightly clamped and rotated by a metal hook on an insulated operation rod to drive the gear and the rack to engage and link so as to ensure that the lower pressing plate and a lead are compacted or loosened, so that grounding quickness and reliability are achieved.

Description

The overhead transmission line interruption maintenance is linked up with earth connection

Technical field

The invention belongs to the power transmission lines overhauling device, especially relate to a kind of 35-220kV overhead transmission line maintenance and link up with earth connection.

Background technology

The Along with people's growth in the living standard, electricity needs constantly increases, and power grid construction constantly raises speed; The workload that the overhead transmission line power failure is transformed constantly increases: the bow line that usually must open or overlap the strain insulator shaft tower is to dwindle power failure scope and interruption duration; In the ever-increasing interruption maintenance operation process of this type, need on the lead of strain insulator shaft tower both sides, hang earth connection, but because the restriction of working space; Causing hanging earth connection usually is that low-angle hangs and improper vertical hanging; But the earth connection that uses at present can only vertical hanging, in case the low-angle suspension is scrapped and lost the ground connection effect in order to hang firm very easily twisting into two parts the earth connection hanging head.。

Summary of the invention

The objective of the invention is to propose a kind of overhead transmission line interruption maintenance and link up with earth connection, not only rational in infrastructure, safe and reliable; Can reliably be suspended on 35-220kV and the above overhead transmission line with arbitrarily angled apace; And can use an action bars operation, and realize multi-use, improve the efficient of hanging earthing conductor; Reduce cost, reduce potential safety hazard.

The objective of the invention is to realize like this: a kind of overhead transmission line interruption maintenance is with earth connection hook (being called for short the earth connection hook); It is characterized in that: this overhead transmission line interruption maintenance mainly is made up of Hook, lower platen, upper mounted plate, otic placode, operation ring, tooth bar, gear shaft, bottom plate, ground stud and gear with the earth connection hook; The arc gib head section that stretch for a left side on the top of this Hook; The cross section of this gib head section can rectangular or flat; The bottom of this Hook is a cylindrical section; The cylindrical section of this Hook fixedly is installed in the round tube hole of upper mounted plate and bottom plate right part and the outer bottom plate that stretches out of its lower end section downwards; Front and back otic placode with holes is stretched, the shouldered gear shaft of rear end section that before and after this, is slidingly installed in the hole of otic placode, the gear that fixed installation is meshed with tooth bar on the gear shaft part between the otic placode of front and back in the left side that is welded respectively, the corresponding lower portion symmetry compartment of terrain that is positioned at upper mounted plate on the cylindrical section of Hook; The front end rigion of this gear shaft is outer forward stretch out front ear plate and on the front end rigion of gear shaft perforate fixed installation operation ring, the right side of the section fixed installation ground stud in the lower end of Hook; The structure of this upper mounted plate and bottom plate is identical to be rectangular slab and symmetrical compartment of terrain and to be and to be horizontally disposed with; Right part at upper and lower fixing plate is offered round tube hole symmetrically respectively; About this, fixedly install the cylindrical section of Hook in the round tube hole; Left part at this upper and lower fixing plate is offered rectangular through-hole symmetrically respectively; This up and down the rectangular through-hole intermediate gap install ordinatedly cross section rectangular and right flank on the tooth bar post of tooth bar, the corresponding engagement of this rack and pinion, all corresponding outer upper and lower fixing plate that stretches out of the upper and lower side section of this tooth bar post are installed; And the upper end of this tooth bar post is the little cylindrical section of diameter, and the slip suit offers centre bore and upper surface is the rectangle lower platen of arc surface on this cylindrical section.

During use, on ground stud, be fixedly connected earlier earth connection, the adjustment lower platen; Make the arc gib head of Hook parallel up and down each other, use special-purpose metal hook equipped on the insulating bar to hook the operation ring, Hook is hung on the overhead power transmission conducting wire with lower platen; Then the special-purpose metal hook on the insulating bar will be operated ring card jail and rotation, rotate, rotate with regard to driven gear axle and gear like this thereby drive the operation ring; Wheel and rack engagement interlock; Make that lower platen is up to compress or make that lower platen is descending unclamps with lead with lead, promptly accomplish the suspension or the dismounting work of this earth connection hook and earth connection, ground connection is fast and reliably.

Overhead transmission line interruption maintenance proposed by the invention is linked up with earth connection, and is rational in infrastructure, easy to use, improved the fail safe of 35-220kV and above overhead transmission line upkeep operation and the efficient of service work greatly.

Combine accompanying drawing and embodiment that overhead transmission line interruption maintenance proposed by the invention is described further with the earth connection hook at present.

Description of drawings:

Fig. 1 is the schematic perspective view that overhead transmission line interruption maintenance proposed by the invention is linked up with earth connection.

Among Fig. 1: 1, Hook 2, lower platen 3, upper mounted plate 4, otic placode 5, operation ring 6, tooth bar 7, gear shaft 8, bottom plate 9, ground stud 10, gear 11, tooth bar post 12, lead.

Embodiment

As can be seen from Figure 1: a kind of overhead transmission line interruption maintenance is with earth connection hook (being called for short the earth connection hook); It is characterized in that: this overhead transmission line interruption maintenance mainly is made up of 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 with the earth connection hook; The arc gib head section that stretch for a left side on the top of this Hook 1; The cross section of this gib head section can rectangular or flat; The bottom of this Hook 1 is a cylindrical section; The cylindrical section of this Hook 1 fixedly is installed in the round tube hole of upper mounted plate 3 and bottom plate 8 right parts and the outer bottom plate 8 that stretches out of its lower end section downwards; Front and back otic placode 4 with holes is stretched, the shouldered gear shaft 7 of rear end section that before and after this, is slidingly installed in the hole of otic placode 4, the gear 10 that fixed installation is meshed with tooth bar 6 on the gear shaft part between the front and back otic placode 4 in the left side that is welded respectively, the corresponding lower portion symmetry compartment of terrain that is positioned at upper mounted plate 3 on the cylindrical section of Hook 1; The front end rigion of this gear shaft 7 is outer forward stretch out front ear plate 4 and on the front end rigion of gear shaft 7 perforate fixed installation operation ring 5, the right side of the section fixed installation ground stud 9 in the lower end of Hook; 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; Right part at upper and

lower fixing plate

3,8 is offered round tube hole symmetrically respectively; About this, fixedly install the cylindrical section of Hook 1 in the round tube hole; Left part at this upper and

lower fixing plate

3,8 is offered rectangular through-hole symmetrically respectively; This up and down the rectangular through-hole intermediate gap install ordinatedly cross section rectangular and right flank on the tooth bar post 11 of tooth bar 6, this tooth bar 6 and gear 10 corresponding engagements, all corresponding upper and

lower fixing plate

3,8 that stretches out outward of the upper and lower side section of this tooth bar post 11 are installed; And the upper end of this tooth bar post 11 is the little cylindrical section of diameter, and the slip suit offers centre bore and upper surface is the rectangle lower platen 2 of arc surface on this cylindrical section.

During use, on ground stud 9, be fixedly connected earth connection earlier, adjustment lower platen 2; Make the arc gib head of Hook 1 parallel up and down each other, use special-purpose metal hook equipped on the insulating bar to hook operation ring 5, Hook 1 is hung on the overhead power transmission conducting wire 12 with lower platen 2; Make the special-purpose metal hook on the insulating bar will operate ring 5 card jail and rotations then, rotate, rotate with regard to driven gear axle 7 and gear 10 like this thereby drive operation ring 5; Gear 10 and tooth bar 6 engagement interlocks; Make that lower platen 2 is up to compress or make that lower platen 2 is descending unclamps with lead 12 with lead 12, promptly accomplish the suspension or the dismounting work of this earth connection hook and earth connection, ground connection is fast and reliably.

Claims

1. an overhead transmission line interruption maintenance is linked up with earth connection; It is characterized in that: this overhead transmission line interruption maintenance mainly is made up of 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) with the earth connection hook; The arc gib head section that stretch for a left side on the top of this Hook (1); Rectangular or the flat of the cross section of this gib head section; The bottom of this Hook (1) is a cylindrical section; The cylindrical section of this Hook (1) fixedly is installed in the round tube hole of upper mounted plate (3) and bottom plate (8) right part and the outer bottom plate (8) that stretches out of its lower end section downwards; Front and back otic placode (4) with holes is stretched on the left side that is welded respectively, the lower portion symmetry compartment of terrain that correspondence is positioned at upper mounted plate (3) on the cylindrical section of Hook (1); Shouldered gear shaft of rear end section (7) is slidingly installed in the hole of otic placode (4) before and after this; On the gear shaft part between the front and back otic placode (4), fixedly mount gear (10), the front end rigion of this gear shaft (7) is outer forward stretch out front ear plate (4) and on the front end rigion of gear shaft (7) perforate fixed installation operation ring (5), at the right side fixed installation ground stud (9) of the lower end section of Hook (1); 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; Right part at upper and lower fixing plate (3,8) is offered round tube hole symmetrically respectively; About this, fixedly install the cylindrical section of Hook (1) in the round tube hole; Left part at this upper and lower fixing plate (3,8) is offered rectangular through-hole symmetrically respectively; This up and down the rectangular through-hole intermediate gap install ordinatedly cross section rectangular and right flank on the tooth bar post (11) of 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 all corresponding stretches out upper and lower fixing plate (3,8) outward, and the upper end of this tooth bar post (11) is the little cylindrical section of diameter, and the slip suit offers centre bore and upper surface is the rectangle lower platen (2) of arc surface on this cylindrical section.