CN102306567B

CN102306567B - Wire disconnecting and de-energizing device

Info

Publication number: CN102306567B
Application number: CN 201110157221
Authority: CN
Inventors: 付杨超; 王国建
Original assignee: Xichang Power Bureau Of Sichuan Electric Power Co; State Grid Corp of China SGCC
Current assignee: Xichang Electric Power Bureau Of Sichuan Electric Power Corp; State Grid Corp of China SGCC
Priority date: 2011-06-13
Filing date: 2011-06-13
Publication date: 2013-09-04
Anticipated expiration: 2031-06-13
Also published as: CN102306567A

Abstract

The invention discloses a wire disconnecting and de-energizing device which belongs to a mechanism for automatic de-energizing when a tension-resistant traction wire of a power transmission circuit is disconnected. The left of an insulating conduit which penetrates through the end head of a wire on the inlet end of current is connected to a left opening of a conductive cup in a rotatable way; a conductive plug is sleeved on the insulating conduit in a slide matching way and is positioned on an inner cavity of the conductive cup; a separating spring is positioned between the left end surface of the conductive plug and the inner wall surface of the left end of the conductive cup; a metal tail wire tube is coiled on the right part of the wire on the inlet end of the current and is fixed together with the right part; the left part of the metal tail wire tube is connected to the conductive plug in a rotatable way; a U-shaped tension regulating ring is fixed on a first and a second ear boards on the conductive cup; and a wire on the outlet end of the current is fixed on a third ear board on the conductive cup. The invention has the characteristics of simple structure and automatic de-energizing protection.

Description

The conductor cord disconnection breaker device

Technical field

The present invention relates to used for transmission line mechanical type power-down control device, the mechanical device that cuts off the power supply automatically when particularly the high-voltage power line tension section is drawn conductor cord disconnection.

Background technology

Current, in electric line, factors such as the fatigue that lead produces because of rigid connection easily, outside destroy, thunderbolt cause lead to break to fall, thereby cause accidents such as electric shock, fire, device damage.

Summary of the invention

The purpose of this invention is to provide a kind of conductor cord disconnection breaker device, in a single day lead breaks, and stops electric current supply (namely disconnecting incoming call end power supply) immediately automatically.

The object of the present invention is achieved like this: a kind of conductor cord disconnection breaker device, the insulated conduit left part that lead termination, electric current inlet side penetrates spins and is fixed on the conductive cup left end opening, conical conductive plug is enclosed within on the insulated conduit with being slidingly matched, and be positioned at the conductive cup inner chamber, conductive cup inner chamber and conductive plug profile are suitable, the cut spring snare is on insulated conduit, and between conductive plug left side and conductive cup left end internal face; Metal buttock line pipeloop is enclosed within on the right part of the electric current inlet side lead that stretches out conductive cup, and through pressurizeing or adopting ply-yarn drill and electric current inlet side lead to fix, metal buttock line pipe left part is screwed on the conductive plug, be positioned at the right as the U-shaped pulling force adjustable ring that connects with insulator hardware polyphone through being bolted on first, second otic placode on the conductive cup, fixed current goes out to hold lead on the 3rd otic placode on the conductive cup.

Above-mentioned conductive cup right-hand member place also is provided with dust cap, and the dust cap snare is on metal buttock line pipe.

Compared with prior art, the present invention has following characteristics and advantage:

1, novelty simple in structure, cost of manufacture low, maintain easily.

2, the present invention has improved the fail safe of power transmission and distribution for the broken string of strain section lead provides the transmission of electricity safeguard protection.

When lead conductor cord disconnection occurred because of all situations, the broken string breaker device was because of stressed seriously unbalance, and spring releases energy and promotes conductive plug and conductive cup is subjected to displacement, the two dislocation and form gap (not contacting), thus cause dump, prevent the generation of accident.

Description of drawings

Fig. 1 is the structure chart of this device.

Fig. 2, Fig. 3 are respectively front view and the left views of insulated conduit shown in Figure 1.

Fig. 4, Fig. 5 are respectively front view and the left views of conductive cup shown in Figure 1.

Fig. 6, Fig. 7 are respectively front view and the left views of conductive plug shown in Figure 1.

Fig. 8, Fig. 9 are respectively front view and the left views of dust cap shown in Figure 1.

Figure 10, Figure 11 are respectively front view and the left views of buttock line pipe shown in Figure 1.

Figure 12, Figure 13 are respectively front view and the mansion views of U-shaped pulling force adjustable ring shown in Figure 1.

Embodiment

Fig. 1 illustrates, insulated conduit 1 left part that lead 7 terminations, electric current inlet side penetrate spins and is fixed on the conductive cup 3 left end openings, conical conductive plug 4 is enclosed within on the insulated conduit 1 with being slidingly matched, and be positioned at conductive cup 3 inner chambers, conductive cup inner chamber and conductive plug profile are suitable, cut spring 2 snares are on insulated conduit 1, and between conductive plug 4 left sides and conductive cup 3 left end internal faces; Metal buttock line pipe 6 snares are on the right part of the electric current inlet side lead 7 that stretches out conductive cup 3, and through pressurizeing or adopting ply-yarn drill and electric current inlet side lead 7 to fix, metal buttock line pipe 6 left parts are screwed on the conductive plug 4, be positioned at the right as the U-shaped pulling force adjustable ring 8 that connects with insulator hardware polyphone through being bolted on first, second otic placode 3a, the 3b on the conductive cup 3, the 3rd otic placode 3c on the conductive cup 3 goes up fixed current and goes out to hold lead.

Referring to Fig. 4, Fig. 5, be welded with three otic placodes on the conductive cup, wherein first, second

otic placode

3a, 3b are as being connected (through bolt) with U-shaped pulling force adjustable ring 8, third ear plate 3c(is referring to Fig. 1) be connected (through bolt) with electric outflow end lead.

Referring to Fig. 8, Fig. 9, conductive cup 3 right-hand member places also are provided with dust cap 5, and dust cap 5 snares are on metal buttock line pipe 6.

Referring to Fig. 2, the insulated conduit left end has screw thread, as being connected with conductive cup.Referring to Fig. 7, the conductive plug right-hand member has internal thread 4a, as be connected (Figure 10 illustrates, and metal buttock line pipe left end has external screw thread) with metal buttock line pipe.

This line broken string breaker device mainly is made up of conductive cup, cut spring, insulated conduit, conductive plug, dust cap, metal buttock line pipe and U-shaped pulling force adjustable ring.

Conductive cup is made by having metal material in certain strength, and inside can arrange insulated conduit and cut spring, can well contact electric energy transmitting with conductive plug.External energy is connected with the pulling force adjustable ring, and is provided with the hole that lead (line nose) is installed.

Cut spring is made by elastomeric material, and is tapered, has powerful elasticity, places in the conductive cup.

Insulated conduit is made by the insulating material with certain degree of hardness, and is cylindrical, and length is suitable, can not influence contacting of conductive plug and conductive cup; One end is provided with screw thread, realizes fixing by screw thread and conductive cup, and its smooth outer surface, conductive plug can slide at insulated tube.

Conductive plug is made by having metal material in certain strength, and the outside can closely cooperate with conductive cup and realize the electric energy transmission; Inboard smooth, can slide at insulated conduit.

Dust cap is made by the insulating material with toughness, can prevent that dirt or rainwater from entering conductive cup, guarantees the reliable separation (displacement) of conductive cup and conductive plug.

The buttock line pipe is made by the metal material with certain toughness, and hardness is a little more than lead, and in a tubular form, an end is provided with screw thread, can reliably connect with conductive plug, and conductive plug, buttock line pipe and lead are become one.

The pulling force adjustable ring is made by metal material, and is similar with the U-loop in the transmission line backguy, is used for conductive cup is connected with the insulator of electric line, has the dynamics that contacts of adjusting conductive cup and conductive plug simultaneously.

Using method:

1, in the circuit erection process, a strain section traction is finished, and lead length in accordance with regulations cuts off;

2, the lead tail end is inserted through insulated conduit in the conductor cord disconnection breaker device;

3, be inserted in conductive plug and dust cap;

4, buttock line is inserted the buttock line pipe, buttock line pipe and lead hydraulic pressure are become one, can bear the pulling force that needs, for longer strain section, can increase gold utensils such as ply-yarn drill, prevent that buttock line from skidding off;

5, conductive plug is realized closely being connected by screw thread and buttock line pipe, and this is in the installation process need smear conductive paste, prevents loose contact;

6, use U-shaped pulling force adjustable ring, conductive cup reliably is connected with insulator, and adjust the dust cap position, stop dirt or rainwater to enter;

7, remove the lead draw-gear, and testing fixture has no abnormal;

8, device no abnormal after, with the lead (electric outflow end lead) of the other end, after the crimping of line nose, insert the wiring otic placode place of conductor cord disconnection breaker device.

Claims

1. conductor cord disconnection breaker device, it is characterized in that: insulated conduit (1) left part that electric current inlet side lead (7) termination penetrates spins and is fixed on conductive cup (3) the left end opening, conical conductive plug (4) is enclosed within on the insulated conduit (1) with being slidingly matched, and be positioned at conductive cup (3) inner chamber, conductive cup inner chamber and conductive plug profile are suitable, cut spring (2) snare and is positioned between conductive plug (4) left side and conductive cup (3) the left end internal face on insulated conduit (1); Metal buttock line pipe (6) snare is on the right part of the electric current inlet side lead (7) that stretches out conductive cup (3), and through pressurizeing or adopting ply-yarn drill and electric current inlet side lead (7) to fix, metal buttock line pipe (6) left part is screwed on the conductive plug (4), be positioned at the right as the U-shaped pulling force adjustable ring (8) that connects with insulator hardware polyphone through being bolted on first, second otic placode (3a, 3b) on the conductive cup (3), the 3rd otic placode (3c) on the conductive cup (3) gone up fixed current and gone out to hold lead.

2. conductor cord disconnection breaker device according to claim 1, it is characterized in that: described conductive cup (3) right-hand member place also is provided with dust cap (5), and dust cap (5) snare is on metal buttock line pipe (6).