CN2634667Y

CN2634667Y - Screw bolt type wedge shape line clip

Info

Publication number: CN2634667Y
Application number: CN 03255602
Authority: CN
Inventors: 刘荐国
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-07-15
Filing date: 2003-07-15
Publication date: 2004-08-18
Anticipated expiration: 2013-07-15

Abstract

The utility model relating to a bolt type and wedge-shaped line clamp is characterized in that a C-shaped matrix base is a C-shaped piece in late up and early down. The inside of the C-shaped matrix base provided with a groove is equipped with a bearing base the inside of which is provided with a bolt guide hole. A convex forced block is arranged on a wedge block. According to the present situation of electric power systems in China, the aluminum-alloy wedge-shaped line clamp is the redesigned line clamp combining the advanced technology abroad and the national conditions in China. The utility model has the advantages of a fast installation speed, being without special tools, simple installation and operation, small spicing resistance, an extremely stable electric oxygen property, no fever, a good spicing property, a low using cost, being demountable and repeatedly used, etc.

Description

The screw bolt-type wedge clamp

Technical field:

The utility model relates to the connector that is used for the high-low voltage transmission-distribution line road, a kind of specifically screw bolt-type wedge clamp.

Background technology:

At present, domestic a large amount of uses be " the bolt lock type " and parallel groove clamp, this kind wire clamp is finished continuing of lead and lead by the pressure of two or more pairs of ditch aluminium flakes and nut clamping screw, the contact area of wire clamp and lead is little, adapting electric voltage is big, electric oxygen unstable properties, so every place lead is connected with lead, need to use two " parallel groove clamp ", and the failure rate height.H type aluminium jointing clamp is also promoted at present at home, and its shortcoming is non-dismountable, and needs to use hydraulic crimping tool to install, operation inconvenience.

U.S.'s wedge clamp that promote the use of in domestic part city is though connecting quality is good, because its use cost height needs to use special installation tool and complicated operation.In the prior art, wedge clamp produced in USA is U.S.'s specification, and there is following shortcoming in U.S.'s rule wedge clamp that uses at home at present:

1, existing wedge clamp is U.S.'s specification, can not adapt to the redirect request of the metric system aluminum conductor of China's use fully, the aluminium conductor steel rein that use now the China's Mainland, the steel core diameter difference of same nominal area.So existing wedge clamp can't satisfy the redirect request of the aluminium conductor steel rein of CONTINENTAL AREA OF CHINA.

2, existing U.S. rule wedge clamp when installation exercise, need special-purpose erecting tools { to launch rifle } and operation sequence numerous and diverse, it is very inconvenient to use the high-altitude application personnel.And its special use is launched rifle and is cost an arm and a leg, no versatility.

3, existing U.S. rule wedge clamp is when fitting operation, needs to use the special-purpose core that launches to cooperate and launch rifle and together use.Launching core is expendable consumed product, and expensive.When dismounting, need equally to use to launch core.

4, existing U.S. advises wedge clamp in use, owing to be by Pneumatic immpacting power voussoir to be inserted in the C shape pedestal, there is no the special insurance measure, and along with the variation of environment for use, easily generation is become flexible, and causes feeder line fault.

Summary of the invention:

The purpose of this utility model provides a kind of novel wedge clamp that can overcome above-mentioned shortcoming, and operation is simple for it, can reduce use cost, improves fail safe and reliability.

To achieve these goals, the solution that the utility model is taked is: the screw bolt-type wedge clamp, it mainly comprises C shape base seat, be placed on the voussoir in the C shape base seat, it is characterized in that: C shape base seat is pre-small post-large C shape part, is provided with bearing base in C shape base seat, establishes a groove at C shape base seat, in bearing base, be provided with the bolt guide hole, a convex force block is arranged on voussoir.

This aluminium alloy wedge clamp is according to the present situation of China Power yarn system, with the combine wire clamp of redesign of the national conditions of advanced foreign technology and China, it have the installation rate of continuing fast, need not specific purpose tool, fitting operation is simple, adapting electric voltage is little, electric oxygen performance is extremely stablized, do not generate heat, continue best in quality and use cost is low, advantage such as detachable, reusable.

After taking such scheme, the utility model effect that not only continues is better than traditional parallel groove clamp greatly, and existing U.S. gage line folder is also had tangible advantage, and its concrete beneficial effect is as follows:

1, this aluminium alloy wedge clamp, circular arc coign in the design of semicircle duct outer end, voussoir both sides cooperates C shape matrix inwall duct shaped design, can satisfy the various diameter requirements of domestic metric system lead fully, and can have and independently fill up the duct space, make the driving fit fully of lead and wire clamp, the performance that continues is improved greatly;

2, this aluminium alloy wedge clamp is provided with bearing base at C shape matrix small end, by the bolt guide hole on the bearing base, the screwed hole on the convex force block on bolt and the voussoir is linked to each other.By tightening double-screw bolt, it is up to drive voussoir, thereby realizes perfectly being connected between lead and the wire clamp;

3, this aluminium alloy wedge clamp is owing to be by tightening bolt, and it is up and reach the purpose that compresses lead to drive voussoir.So need not specific purpose tool, only need common torque spanner to get final product.When dismounting, lack device counter-rotating bolt by tearing open, the target of C shape matrix be can realize voussoir is ejected, thereby use cost and equipment cost saved greatly;

4, this aluminium alloy wedge clamp is owing to be to drive the voussoir upstream or downstream by rotating bolt, so after voussoir was in place, bolt still kept Huan to decide torsion, fixedly voussoir can definitely guarantee the wire clamp firm and reliable connection, prevents to become flexible.Thereby improve pulling force, resistance, temperature rise level greatly.Meet the international standard level fully, play the effect of continuing of high-quality lead;

5, this wedge clamp is a kind of employing " wedge pressure technology " the non-bearing type that is used for electrical power trans mission/distribution system connects gold utensil, it is made up of C mold base and voussoir, change the Anknupfungskeregriff of crimping shape wire clamp and parallel groove clamp fully, made it really to become conductor jointer safe and reliable, simple to operate.Can be widely used in being connected to each other between aluminium stranded conductor, steel reinforced aluminium conductor, copper stranded conductor or the copper cash.

Description of drawings:

Fig. 1 is the structure elevation view of C shape base seat of the present utility model

Fig. 2 is a wedge structure front view of the present utility model

Fig. 3 is an overall structure front view of the present utility model

Embodiment:

The utility model will be further described below in conjunction with drawings and Examples.

The utility model mainly comprises C shape base seat 4, be placed on the voussoir 8 in the C shape base seat, it is characterized in that: C shape base seat is pre-small post-large C shape part, in C shape base seat, be provided with bearing base 5, establish a groove 3 at C shape base seat, in bearing base, be provided with bolt guide hole 1, one convex force block 6 is arranged on voussoir, in concrete the enforcement in C shape base seat 4 the small end place be provided with bearing base 5, this bearing base is hidden under the C shape base seat inner plane and is provided with nut guide hole 1, the bottom of C shape base seat inwall small end is a plane, and a groove 3 is arranged in the bottom of the big end of inwall.

By illustrated in figures 1 and 2, the wedge clamp of present embodiment is made up of C shape base seat 4 and voussoir 8, and small end is provided with bearing base 5 on C shape matrix 4, and the bearing base center is provided with screw thread guide hole 1, is a plane 2 in the bottom of C shape matrix 4 inwalls and is provided with groove 3; On voussoir, be provided with semicircle duct and convex force block 6, the convex force block is provided with screwed hole 7, convex force block on the voussoir is irregular semicircular body, and its convex can match with the semicircle groove of C shape base seat, in the semicircle duct outer end of voussoir both sides the circular arc coign is arranged.Carrying out the lead elbow that continues, the bolt that passes bolt guide hole 1 is screwed into the screwed hole that is positioned at convex force block 67 on the voussoir 8, it is up to drive voussoir 8.The semicircle chute 3 and the 6 opposite position settings of convex force block of depression.

Claims

1, screw bolt-type wedge clamp, it mainly comprises C shape base seat, be placed on the voussoir in the C shape base seat, it is characterized in that: C shape base seat is pre-small post-large C shape part, in C shape base seat, be provided with bearing base, establish a groove at C shape base seat, in bearing base, be provided with the bolt guide hole, a convex force block is arranged on voussoir.

2, screw bolt-type wedge clamp according to claim 1 is characterized in that: the small end place is provided with bearing base in C shape base seat, and this bearing base is hidden under the C shape base seat inner plane and is provided with the nut guide hole.

3, screw bolt-type wedge clamp according to claim 1 is characterized in that: the bottom of C shape base seat inwall small end is a plane, in the bottom of the big end of inwall one groove is arranged.

4, screw bolt-type wedge clamp according to claim 1 is characterized in that: be provided with semicircle duct and convex force block on voussoir, the convex force block is provided with screwed hole.

5, according to claim 1 or 4 described screw bolt-type wedge clamps, it is characterized in that: the convex force block on the voussoir is irregular semicircular body, and its convex can match with the semicircle groove of C shape base seat.

6, screw bolt-type wedge clamp according to claim 1 is characterized in that: there is the circular arc coign semicircle duct outer end in the voussoir both sides.