CN204633232U - Circuit repair sleeve - Google Patents

Abstract

The utility model discloses a kind of circuit repair sleeve, its drip irrigation device comprises C shape repair sleeve body and the capping of C shape, C shape repair sleeve body is provided with for the chute suitable with the capping of C shape, the extended distance of chute on the outer surface of C shape repair sleeve body is less than the extended distance of chute inside C shape repair sleeve body, the capping of C shape includes lozenges that can be inconsistent with the madial wall of chute, and the opening part seamed edge of chute is provided with rounding off structure.When being embedded by wire in C shape repair sleeve body, rounding off structure does not have sharp acute angle and can produce scuffing to wire, avoids producing further injury to wire; In addition the rounding off structure at seamed edge place can not scratch the gloves of operator, more its palm can not be scratched, and is conducive to improving safety in utilization.Rounding off structure makes gap have larger opening simultaneously, and the opening of fluid sealant from gap therefore can be convenient to inject in it.

Description

Circuit repair sleeve

Technical field

The utility model relates to electric armour clamp field, and more particularly, it relates to a kind of circuit repair sleeve.

Background technology

Power line construction is operation in the wild substantially, in power overhead network construction, when drawing vehicle commander's distance traction wire, the outer aluminium stock wearing and tearing of steel reinforced aluminium conductor often can occur, fracture; Also disconnected stock can be produced because of the effect of external force in circuit runs, monometallic wire is used to there will be cross section damage too, this suitably in time to repair wire with regard to needing, and the transmission avoiding causing because of broken lot or cross section lesion larger, mechanical performance decline, and even break.Require to take remedy step, with the cross section of the effective tensile strength and wire that ensure wire at the position of damage.According to standard GB/T J233 " construction of 110 ~ 500kV overhead power line and acceptance specification " regulation: steel core aluminum alloy stranded wire accounts for 7% ~ 25% of the aluminium stock gross area at the damaged area of same section, and repair sleeve should be adopted to study for a second time courses one has flunked.In prior art, repair sleeve adopts two and half body drawer type docking mostly, then two and half body crimping is out of shape with Press Plier, thus is fixed on wire.

At present, application number is the Chinese patent of 201420219889.8, it discloses a kind of circuit repair sleeve, it aims to provide a kind of easy for installation, structure is simple, the circuit repair sleeve that cost is low, its drip irrigation device is that described slide rail comprises the madial wall of C shape repair sleeve body to the shaping slide rail platform of depression and the slide rail sidewall arranging slide rail platform side, described slide rail sidewall and table top are 75 ~ 85 degree and arrange, two lateral walls of described C shape capping openend are equipped with lozenges, the end face of described C shape capping openend and the table top of slide rail platform inconsistent, described lozenges and slide rail sidewall tabling.And, application number is the Chinese patent of 201420309499.X, it discloses a kind of steel-aluminum wire repair sleeve, its aluminum pipe and drawer, aluminum pipe is provided with the chute matched with drawer in the axial direction, the extended distance of chute on the outer surface of aluminum pipe is less than the extended distance of chute inside aluminum pipe, the outer surface of drawer is cambered surface, the inner surface of drawer and the inner surface of aluminum pipe are semicircle cambered surface, after drawer docks with chute drawer type, the inner surface of drawer and the inner surface of aluminum pipe form complete circle cambered surface, the outer surface of drawer and the outer surface of aluminum pipe form complete circle cambered surface, aluminum pipe and drawer all adopt heat-resisting aluminium alloy to make.

Although these two kinds of repair sleeves can reach the effect that circuit is studied for a second time courses one has flunked, but the repair sleeve of these two kinds of structures in use can produce following problem: the opening part seamed edge 1, when being embedded by wire in C shape repair sleeve body due to C shape repair sleeve body is comparatively sharp, therefore easy further injury is produced to wire, and when this studies for a second time courses one has flunked process need operator manual operation, the gloves of operator easily scratch by seamed edge, even palm is scratched, therefore bring the potential safety hazard of use, 2, all repair sleeves of the prior art are all fixed on wire by Press Plier, but get rid of gap completely because C shape repair sleeve body and the capping of C shape cannot reach by Press Plier in clamping process, therefore its sealing of the repair sleeve exposed is poor, extraneous impurity or rainwater to be immersed in repair sleeve thus corrosion wire, reduce repair efficiency, therefore fluid sealant can be injected in the gap of C shape repair sleeve body and the capping of C shape for solving clearance issues, but the clearance opening of its C shape repair sleeve body of existing repair sleeve and the capping of C shape is less, therefore fluid sealant is injected in gap very difficult.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of circuit repair sleeve, and this repair sleeve is not only conducive to improving safety in utilization, and is conducive to increasing the scope of application.

For achieving the above object, the utility model provides following technical scheme: a kind of circuit repair sleeve, comprise C shape repair sleeve body and the capping of C shape, described C shape repair sleeve body is provided with for the chute suitable with the capping of C shape, the extended distance of described chute on the outer surface of C shape repair sleeve body is less than the extended distance of chute inside C shape repair sleeve body, the capping of described C shape includes lozenges that can be inconsistent with the madial wall of chute, and the opening part seamed edge of described chute is provided with rounding off structure.

By adopting technique scheme, when being embedded by wire in C shape repair sleeve body, the opening of C shape repair sleeve body has rounding off structure, does not therefore have sharp acute angle and can produce scuffing to wire, avoids producing further injury to wire; In addition when operating personnel hold C shape repair sleeve body, the rounding off structure at its seamed edge place can not scratch the gloves of operator, more its palm can not be scratched, and is conducive to improving safety in utilization.The gap that rounding off structure makes the seamed edge at C shape repair sleeve body openings place and the capping of C shape be formed simultaneously has larger opening, therefore fluid sealant can be convenient to inject in it from the opening in gap, the gap between C shape repair sleeve body and the capping of C shape is effectively enclosed after re-using Press Plier, improve the sealing of repair sleeve, enhance repair efficiency, be therefore conducive to increasing the scope of application.

The utility model is set to further: described rounding off structure is rounding.

By adopting technique scheme, for reaching the anti-scratch of rounding off structure, increase the effect of clearance opening, chamfering or rounding can be processed at the opening part seamed edge of C shape repair sleeve body, but although opening part seamed edge place can reduce seamed edge acute angle degree after arranging chamfering on the basis that it is original, but it is round and smooth, the effect of anti-scratch is far worse than rounding, and the result of use wanting to increase chamfering also can seamed edge after chamfering chamfering further again, to reduce the acute angle degree of seamed edge, but it needs repeatedly chamfering, operation is loaded down with trivial details, therefore the time processing of rounding is shaping also simplify manufacturing procedure.

The utility model is set to further: the bottom land place seamed edge of described chute is provided with rounding.

By adopting technique scheme, when using Press Plier to be reduced by the opening of C shape repair sleeve body, rounding bottom chute can avoid the deformation grip portion stress of opening both sides concentrate and produce cracking at root place, avoid C shape repair sleeve body directly to damage in clamping process, be conducive to the useful life extending repair sleeve simultaneously.

The utility model is set to further: described lozenges is provided with rounding relative to the bottom land side of chute.

By adopting technique scheme, rounding bottom lozenges coordinates with the rounding bottom chute, both be convenient to C shape and be sealed on slippage in chute, when also can avoid holding the capping of C shape simultaneously, the seamed edge of C shape capping can not scratch the gloves of operator, more its palm can not be scratched, be conducive to improving safety in utilization.

The utility model is set to further: the radius of described C shape repair sleeve body is R, and the radius of the opening part seamed edge rounding of described chute is r, 0.04R≤r≤0.05R.

By adopting technique scheme, the size of the opening part seamed edge rounding radii of chute affects the degree of depth of chute, the i.e. deformation grip portion size of chute both sides, if r is too large, the degree of depth of chute can be more shallow, deformation grip portion also can be less, final clamping action is less in the clamping face of C shape capping, have impact on the clamping effect of final C shape repair sleeve body, and when the proportionate relationship of r and R is 0.04R≤r≤0.05R, namely the size of the opening part seamed edge rounding of chute is effectively defined, make the effect of its existing anti-scratch, there is again the effect of the clearance opening increased between C shape repair sleeve body and the capping of C shape, avoid deformation grip portion less simultaneously thus affect clamping effect.

Accompanying drawing explanation

Fig. 1 is the structural representation view of the utility model circuit repair sleeve;

Fig. 2 is the structural representation view of repair sleeve closure state;

Fig. 3 is the structural representation view of repair sleeve disassembled form;

Fig. 4 is the stereochemical structure schematic views of repair sleeve.

Reference numeral: 1, C shape repair sleeve body; 11, chute; 111, rounding off structure; 2, C shape capping; 21, lozenges.

Embodiment

Referring to figs. 1 through Fig. 4, the utility model circuit repair sleeve embodiment is described further.

A kind of circuit repair sleeve, comprise C shape repair sleeve body 1 and C shape capping 2, C shape repair sleeve body 1 is provided with for the chute 11 suitable with C shape capping 2, the extended distance of chute 11 on the outer surface of C shape repair sleeve body 1 is less than the extended distance of chute 11 inside C shape repair sleeve body 1, C shape capping 2 includes lozenges 21 that can be inconsistent with the madial wall of chute 11, the inner surface of C shape repair sleeve body 1 and the inner surface of C shape capping 2 are circular cambered surface, after C shape repair sleeve body 1 docks with C shape capping 2 drawer type, the inner surface of C shape repair sleeve body 1 and the inner surface of C shape capping 2 form complete circle cambered surface, the outer surface of C shape repair sleeve body 1 and the outer surface of C shape capping 2 form complete circle cambered surface, it should be noted that said structure all belongs to prior art herein, therefore be not described further, and in order to improve the technical problem proposed in background, its primary solutions is: be provided with rounding off structure 111 at the opening part seamed edge of chute 11, like this when in use procedure, when first wire being embedded in C shape repair sleeve body, because the opening of C shape repair sleeve body has rounding off structure 111, therefore do not have sharp acute angle and can produce scuffing to wire, avoid producing further injury to wire, in addition when operating personnel hold C shape repair sleeve body, the rounding off structure 111 at its seamed edge place can not scratch the gloves of operator, more its palm can not be scratched, and is conducive to improving safety in utilization.The gap that rounding off structure 111 makes the seamed edge of C shape repair sleeve body 1 opening part and C shape capping 2 be formed simultaneously has larger opening, therefore fluid sealant can be convenient to inject in it from the opening in gap, the gap between C shape repair sleeve body 1 and C shape capping 2 is effectively enclosed after re-using Press Plier, improve the sealing of repair sleeve, enhance repair efficiency, be therefore conducive to increasing the scope of application.

For reaching the anti-scratch of rounding off structure 111, increase the effect of clearance opening, in the actual production course of processing, rounding off structure 111 can be processed into chamfering or rounding, but although opening part seamed edge place can reduce seamed edge acute angle degree after arranging chamfering on the basis that it is original, but it is round and smooth, the effect of anti-scratch is far worse than rounding, and the result of use wanting to increase chamfering also can seamed edge after chamfering chamfering further again, to reduce the acute angle degree of seamed edge, but it needs repeatedly chamfering, operation is loaded down with trivial details, therefore the time processing of rounding is shaping also simplify manufacturing procedure.

The size of the opening part seamed edge rounding radii of this external chute 11 also can affect the degree of depth of chute 11, the i.e. deformation grip portion size of chute 11 both sides, therefore when the radius of C shape repair sleeve body 1 is R, when the radius of the opening part seamed edge rounding of chute 11 is r, the pass limited between it is needed to be; 0.04R≤r≤0.05R, if this is because r is too large, the degree of depth of chute 11 can be more shallow, deformation grip portion also can be less, final clamping action is less in the clamping face of C shape capping 2, have impact on the clamping effect of final C shape repair sleeve body 1, and when the proportionate relationship of r and R is 0.04R≤r≤0.05R, namely the size of the opening part seamed edge rounding of chute 11 is effectively defined, make the effect of its existing anti-scratch, there is again the effect of the clearance opening increased between C shape repair sleeve body 1 and C shape capping 2, avoid deformation grip portion less simultaneously thus affect clamping effect.

In order to expand the scope of application further, easy to use, the bottom land place seamed edge of chute 11 can be provided with rounding, and lozenges 21 is provided with rounding relative to the bottom land side of chute 11.The bottom land of chute 11 is provided with rounding can make it when using Press Plier to be reduced by the opening of C shape repair sleeve body 1, rounding bottom chute 11 can avoid the deformation grip portion stress of opening both sides concentrate and produce cracking at root place, avoid C shape repair sleeve body 1 directly to damage in clamping process, be conducive to the useful life extending repair sleeve simultaneously; And the rounding bottom lozenges 21 coordinates with the rounding bottom chute 11, both C shape capping 2 slippage in chute 11 had been convenient to, when also can avoid holding the capping 2 of C shape simultaneously, the seamed edge of C shape capping 2 can not scratch the gloves of operator, more its palm can not be scratched, be conducive to improving safety in utilization.

Below be only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (5)

1. a circuit repair sleeve, comprise C shape repair sleeve body and the capping of C shape, described C shape repair sleeve body is provided with for the chute suitable with the capping of C shape, the extended distance of described chute on the outer surface of C shape repair sleeve body is less than the extended distance of chute inside C shape repair sleeve body, the capping of described C shape includes lozenges that can be inconsistent with the madial wall of chute, it is characterized in that: the opening part seamed edge of described chute is provided with rounding off structure.

2. circuit repair sleeve according to claim 1, is characterized in that: described rounding off structure is rounding.

3. circuit repair sleeve according to claim 1 and 2, is characterized in that: the bottom land place seamed edge of described chute is provided with rounding.

4. circuit repair sleeve according to claim 3, is characterized in that: described lozenges is provided with rounding relative to the bottom land side of chute.

5. circuit repair sleeve according to claim 1, is characterized in that: the radius of described C shape repair sleeve body is R, and the radius of the opening part seamed edge rounding of described chute is r, 0.04R≤r≤0.05R.