CN201565879U

CN201565879U - Universal insulating spanner

Info

Publication number: CN201565879U
Application number: CN200920280317XU
Authority: CN
Inventors: 张胜军; 宋来森; 张顺生; 聂海青; 徐长松
Original assignee: Heze Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Heze Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2009-12-11
Filing date: 2009-12-11
Publication date: 2010-09-01
Anticipated expiration: 2019-12-11

Abstract

The utility model relates to a universal insulating spanner comprising a spanner, universal ratchets, an insulating drive rod and a swing handle which are connected in turn from the front to the rear, wherein the spanner is a metal sleeve; the inner side of the metal sleeve is orthohexagonal, and is corresponding to a bolt head; the number of the universal ratchets is two; one universal ratchet is at the front, and the other one is at the rear; the universal ratchets are on the same rotating shaft line, and ratchet teeth are crossly engaged; the universal ratchets are connected into a whole through U-shaped fixing arms on respective wheel shaft; the U-shaped fixing arms are sheathed on the wheel shafts of the universal ratchets through inserting holes at the middles of the U-shaped fixing arms; the U-shaped fixing arms are connected through two bolts at the end parts of the U-shaped fixing arms; and the universal ratchet at the rear is fixed with the front end of the insulating drive rod. The utility model has the advantages of convenient operation, safety, reliability, operation with electricity, good drive and power saving, and the bolts are stably clamped by the metal sleeve. The utility model solves the difficulty that middle electric potential with electricity deletes the defect that stain clamp bolts become flexible, and deletes the effect of powder cutting caused by fastening bolts for reliability.

Description

All

(1) technical field

The utility model relates to a kind of power equipment live line tool, but all of the optional turning that particularly a kind of charged fastening loose bolts is used.

(2) background technology

At present, eliminate 10-110kV power equipment bolt looseness defective, three kinds of modes are arranged: (1) carries out the equipotential livewire work; (2) carry out medial potential working; (3) power failure disappears scarce.Because 10-110kV power equipment safety distance is less, medial potential working and earth potential working do not have suitable power tool, and it is scarce to adopt the power failure mode to disappear mostly.

Along with The development in society and economy, reliability requirement to power equipment is more and more higher, the possibility of unplanned power failure is more and more littler, press for us and carry out livewire work more widely, remove a hidden danger and ensure the healthy operation of circuit, consider that from security, economy, three aspects of reliability the necessity of carrying out bolted under the development livewire work situation is all arranged:

1, security:

When transmitting the power equipment bolt looseness of electric energy, can cause that contact temperature raises, the generation of accident if the too high untimely processing of temperature can cause power failure.

2, economy:

Charged elimination bolt looseness, it is scarce to avoid power failure to disappear, and reduces because of having a power failure to the influence of delivery, also having reduced simultaneously and stops sending electricity to operate the wasting of resources that is brought, the economic benefit of guarantee company.

3, reliability:

Guarantee that power equipment runs without interruption, the reliability of very high power equipment.

Therefore develop the power tool of novel charged elimination bolt looseness, become a problem that must solve.

(3) summary of the invention

The utility model is in order to remedy the deficiencies in the prior art, but a kind of all of hot line job esy to use, safe and reliable is provided.

The utility model is achieved by the following technical solution:

All of the present utility model, its special character is: comprise from front to back the spanner, universal ratchet, the insulating driving rod that connect successively, shake handle; Spanner is a metal sleeve, and metal sleeve front end inboard is positive six sides corresponding with bolt head; Universal ratchet is to be positioned on the same rotation and former and later two of the staggered interlock of ratchet, two universal ratchets link by the U-shaped fixed arm on the wheel shaft separately and are one, fixed arm passes through the jack sleeve at middle part on the wheel shaft of universal ratchet, two fixed arms connect by two bolts that are positioned at the two end, and the universal ratchet and the insulating driving rod front end of back fix.

All of the present utility model, the insulating driving rod outside is with insulating bar.

All of the present utility model, spanner are that several size differences are for changing the metal sleeve that uses, the wheel shaft of the universal ratchet of the dismountable connection in metal sleeve rear end.

All of the present utility model, metal sleeve rear end are socketed on the wheel shaft of universal ratchet of front, and the inboard of metal sleeve is mutual corresponding multi-edge column-shaped with the wheel shaft outside.

All of the present utility model, that shakes that handle can freely dismantle is connected the insulating driving rod rear end, and it is L-shaped to shake handle.

The beneficial effects of the utility model are, but easy to operate, safe and reliable hot line job, transmission better, leicht fallen D/A, sleeve card bolt be firm, solved the difficult problem of the charged elimination strain clamp of intermediate potential bolt looseness defective, eliminated the power failure that caused by the fastening bolt influence to reliability.This equipment is applicable to the power equipment of 10kV-110kV.

(4) description of drawings

Fig. 1 is a structural representation of the present utility model, and Fig. 2 is the fixed arm schematic top plan view of front, and Fig. 3 is the fixed arm schematic top plan view of back, and Fig. 4 looks schematic diagram for the fixed arm master of front.

Among the figure, 1 spanner, 2,3 universal ratchets, 4 insulating driving rod, 5 bolts, 7 shake handle, 8,9 fixed arms, 10 insulating bars.

(5) specific embodiment

Accompanying drawing is a kind of specific embodiment of the present utility model.

All of the present utility model comprises from front to back the spanner 1, universal ratchet 2,3, the insulating driving rod 4 that connect successively, shakes handle 7; Spanner 1 is a metal sleeve, and metal sleeve front end inboard is positive six sides corresponding with bolt head; Universal ratchet 2,3 is for being positioned on the same rotation and former and later two of the staggered interlock of ratchet, two universal ratchets link by the U-shaped fixed arm 8,9 on the wheel shaft separately and are one, fixed arm 8,9 passes through the jack sleeve at middle part on the wheel shaft of universal ratchet 2,3, two fixed arms connect by two bolts 5 that are positioned at the two end, and the universal ratchet 3 and insulating driving rod 4 front ends of back fix.Insulating driving rod 4 outsides are with insulating bar 10.Spanner 1 is that several size differences are for changing the metal sleeve that uses, the wheel shaft of the universal ratchet 2 of the dismountable connection in metal sleeve rear end.The metal sleeve rear end is socketed on the wheel shaft of universal ratchet 2 of front, and the inboard of metal sleeve is mutual corresponding multi-edge column-shaped with the wheel shaft outside, as four-prism.Shake handle 7 and be plugged on insulating driving rod 4 rear ends, it is L-shaped to shake handle.Shake a shift fork is arranged on the handle 7, there are driving lever corresponding with shift fork and dial in the insulating driving rod rear end, driving lever is vertically fixed on the insulating driving rod, dial is vertically fixed on the driving lever, shift fork is enclosed within on the driving lever and is adjacent to dial, screw thread is arranged on the driving lever, shift fork and driving lever and dial are tightened together by nut.

All of the present utility model comprises five parts: insulating bar 10, shake handle 7, insulating driving rod 4, universal ratchet 2,3, spanner 1.Insulating bar 10 and insulating driving rod 4 adopt light insulating materials, can be good at partly adhering to metal, and can satisfy the requirement of livewire work insulation.Shake in insulating bar 10 rear ends by shaking handle 7 (for damp proof insulation is filled pipe), drive spanner 1 fastening loosening bolt, the required distance in the time of satisfying medial potential working and earth potential working.Spanner 1 is thereby that the ratchet interlock number of regulating two universal ratchets 2,3 is rotated in rotating shaft by the bolt 5 with moving fixed arm two ends, regulate the angle that insulating bar 4 and spanner form different angles, arbitrarily change the spanner direction, to adapt to the bolt of different angles.Insulating bar 10 is enclosed within insulating driving rod 4 outsides, does not rotate with insulating driving rod.

All of the present utility model, during operation, hand-held insulating bar 10, that shakes its back shakes handle 7, drives spanners 1 rotation by insulating driving rod 4 transfer motion powers to universal ratchet 2,3, to reach the purpose of elasticity bolt.By changing the purpose that spanner (metal sleeve) reaches fastening loosening arbitrarily big stove bolt.

Claims

1. all is characterized in that: comprise the spanner, universal ratchet, the insulating driving rod that connect successively from front to back, shake handle; Spanner is a metal sleeve, and metal sleeve front end inboard is positive six sides corresponding with bolt head; Universal ratchet is to be positioned on the same rotation and former and later two of the staggered interlock of ratchet, two universal ratchets link by the U-shaped fixed arm on the wheel shaft separately and are one, fixed arm passes through the jack sleeve at middle part on the wheel shaft of universal ratchet, two fixed arms connect by two bolts that are positioned at the two end, and the universal ratchet and the insulating driving rod front end of back fix.

2. all according to claim 1 is characterized in that: the insulating driving rod outside is with insulating bar.

3. all according to claim 1 is characterized in that: the metal sleeve that spanner uses for replacing for several size differences, the wheel shaft of the universal ratchet of the dismountable connection in metal sleeve rear end.

4. all according to claim 2 is characterized in that: the metal sleeve rear end is socketed on the wheel shaft of universal ratchet of front, and the inboard of metal sleeve is mutual corresponding multi-edge column-shaped with the wheel shaft outside.

5. all according to claim 1 is characterized in that: that shakes that handle can freely dismantle is connected the insulating driving rod rear end, and it is L-shaped to shake handle.