CN203014315U

CN203014315U - Terminal cable clamp

Info

Publication number: CN203014315U
Application number: CN 201220550437
Authority: CN
Inventors: 郑伟
Original assignee: Hubbell Electric Wuhu Co Ltd
Current assignee: Hubbell Electric Wuhu Co Ltd
Priority date: 2012-10-25
Filing date: 2012-10-25
Publication date: 2013-06-19
Anticipated expiration: 2022-10-25

Abstract

The utility model discloses a terminal cable clamp comprising a wedge cable clamp shell (1) with a bottom surface and two side walls and sliding locks (2) which are close to the two side walls in the cable clamp shell (1) and are oppositely arranged. According to the terminal cable clamp disclosed by the utility model, without the help of any tools, after a cable clamp and an insulator are connected, only passing a conductive wire into the cable clamp is needed. The conductive wire is strained naturally under the effect of wire tension, periodic inspection and alignment are not needed, and the tension of the conducting wire is always ensured. At the same time, the utility model discloses a series of improved structures of the above terminal cable clamp.

Description

A kind of terminal clamp

Technical field

The utility model relates to the electric wire connection area, relates in particular to a kind of wire clamp that connects for the electric wire terminal.

Background technology

Present domestic electric power system overhead transmission line terminal connection method adopts the terminal clamp of bolt fastening more.Be about to terminal clamp coordinated insulation and use, at first be fixed on line bar cross-arm, wire is passed wire clamp, by the nut on fastening U-shaped screw rod with conductor clamping, thereby complete whole terminal connection.For insulated conductor, then in the outside installing insulating sheath of terminal clamp.

For existing terminal connection method, because be the mode fixing cord that leans on bolted, the difficulty when at first having strengthened work high above the ground, and due to the impact of the factors such as External Force Acting, need regular adjustment after long-play, guarantee the fastening force of bolt.

Summary of the invention

The purpose of this utility model is to provide a kind of terminal clamp, need not by means of any instrument, with wire clamp with after insulator is connected, only needing that wire is passed wire clamp gets final product, naturally strain wire under the effect of on-line tension, and need not to make regular check on adjustment, guarantee all the time wire tensioning.

Technical solution of the present utility model is:

A kind of terminal clamp comprises the wedge clamp shell with bottom surface and two side, the sliding shackle that is positioned at wire clamp shell inner close fitting two side and arranges in opposite directions.The wire clamp shell of terminal clamp adopts wedge-shaped design, utilize inner slidably wedge shape sliding shackle fixing cord, after wire passes sliding shackle, in the effect of wire tension, make sliding shackle press from both sides the shell inwall along the line and move until sliding shackle tightens up the clamping wire to the clamping end.Described terminal clamp is simple in structure, and is easy to operate, quick, can naturally strain wire under the effect of wire tension, need not to make regular check on adjustment, guarantees all the time wire tensioning.

As the further improved terminal clamp of the utility model, described wire clamp shell inwall is useful on the chute of slide lock being buckled fixing and position-limiting action, and the sliding shackle outer wall has the corresponding construction in conjunction with chute.By setting up chute at wire clamp shell inwall with fixing sliding shackle, sliding shackle and wire clamp shell are become one structure, be convenient to store and use; The chute of wire clamp shell inwall also has position-limiting action to sliding shackle simultaneously, avoids sliding shackle to come off from the wire clamp shell, thereby has improved the stability of terminal clamp clamping secure wires.

As the further improved terminal clamp of the utility model, described chute comprises sidewall chute and bottom surface chute, and sliding shackle outer wall construction and sidewall chute are corresponding with the bottom surface sliding groove structure.As wire clamp shell inwall, slide lock is buckled the chute of fixing and position-limiting action, the structure of sidewall chute and bottom surface chute has advantages of quick and easy for installation, firm in structure durable.

As the further improved terminal clamp of the utility model, be provided with the sliding shackle draw ring on described sliding shackle.The sliding shackle draw ring is set so that operate, and is conducive to standard operation, avoid improper use to cause the damage of terminal clamp.

As the further improved terminal clamp of the utility model, described sliding shackle inwall has anti-skidding lines.The anti-skidding lines design of sliding shackle inwall can prevent effectively that the wire that causes because of External Force Acting from sliding, and keeps the full strain insulator of wire.

As the further improved terminal clamp of the utility model, the described sliding shackle that arranges in opposite directions connects by elastomeric element, and sliding shackle has the elasticity of automatic tightening clamping.The elastomeric element such as spring or rubber connects two sliding shackles that arrange in opposite directions, make two slide lock that arrange in opposite directions be buckled with the trend of closing up, therefore sliding shackle can move to wire clamp shell clamping end along chute automatically, thereby do not need manual mobile sliding shackle to come secure wires, improved operating efficiency.

As the further improved terminal clamp of the utility model, described elastomeric element is spring.Spring as elastomeric element be convenient to installation and long service life, cost is low.

Terminal clamp provided by the utility model is compared traditional splicing sleeve, the work high above the ground that the terminal of being more convenient for wire connects, and need not in life cycle to make regular check on, adjustment wire fastening force effectively reduces overall life cycle cost.

Terminal clamp provided by the utility model due to the design of adopting the wedge shape spring block, makes applicable wire diameter scope larger in addition, and product type is more simplified, and facilitates type selecting and stock control.

Description of drawings

The terminal clamp releasing orientation schematic diagram that Fig. 1, the utility model propose.

The terminal clamp clamping view that Fig. 2, the utility model propose.

The terminal clamp perspective view that Fig. 3, the utility model propose.

The terminal clamp that Fig. 4, the utility model propose is looked squarely structural representation.

1 is the wire clamp shell, and 2 is sliding shackle, and 3 is the sidewall chute, and 4 is the bottom surface chute, and 5 is the sliding shackle draw ring, and 6 is wire, and 7 is the sliding shackle inwall, and 8 is elastomeric element.

Embodiment

In order to deepen that understanding of the present utility model is described in further detail the utility model below in conjunction with drawings and Examples, this embodiment only is used for explaining the utility model, does not consist of the restriction to the utility model protection range.

As shown in Fig. 1-4, the wire clamp shell 1 of terminal clamp adopts wedge-shaped design, utilize inner slidably wedge shape sliding shackle 2 fixing cords 6, after wire 6 passes sliding shackle 2, in the effect of wire 6 tension force, sliding shackle 2 folder shell along the line 1 inwall is moved until sliding shackle 2 tightens up clamping wire 6 to the clamping end.By setting up chute at wire clamp shell 1 inwall with fixing sliding shackle 2, sliding shackle 2 and wire clamp shell 1 are become one structure, the chute of wire clamp shell 1 inwall also has position-limiting action to sliding shackle 2 simultaneously, avoids sliding shackle 2 to come off from wire clamp shell 1.The chute of and position-limiting action fixing to 2 of sliding shackles as wire clamp shell 1 inwall, the structure of sidewall chute 3 and bottom surface chute 4 has advantages of quick and easy for installation, firm in structure durable.Be provided with sliding shackle draw ring 5 on sliding shackle 2, so that operation, and be conducive to standard operation, avoid improper use to cause the damage of terminal clamp.The anti-skidding lines design of sliding shackle inwall 7 can prevent effectively that the wire that causes because of External Force Acting from sliding, and keeps the full strain insulator of wire.Connect two sliding shackles 2 that arrange in opposite directions by elastomeric elements such as spring or rubber, make two sliding shackles 2 that arrange in opposite directions that the trend of closing up be arranged, therefore sliding shackle 2 can 1 clamping end moves along chute to the wire clamp shell automatically, thereby do not need manual mobile sliding shackle 2 to come secure wires 6, improved operating efficiency.Obviously, also can connect sliding shackle 2 and wire clamp shell 1 by elastomeric elements such as spring or rubber, sliding shackle 2 is moved from trend wire clamp shell 1 clamping end.Spring as elastomeric element be convenient to installation and long service life, cost is low.

In sum, terminal clamp provided by the utility model comprises the wedge clamp shell 1 with bottom surface and two side, the sliding shackle 2 that is positioned at wire clamp shell 1 inner close fitting two side and arranges in opposite directions.As improving further, described wire clamp shell 1 inwall is useful on the chute of and position-limiting action fixing to 2 of sliding shackles, and the sliding shackle outer wall has the corresponding construction in conjunction with chute.Described chute comprises sidewall chute 3 and bottom surface chute 4, and sliding shackle outer wall construction and sidewall chute 3 are corresponding with bottom surface chute 4 structures.Be provided with sliding shackle draw ring 5 on described sliding shackle 2.Described sliding shackle inwall 7 has anti-skidding lines.The described sliding shackle that arranges in opposite directions 2 connects by elastomeric element 8, and sliding shackle 2 has the elasticity of automatic tightening clamping.Described elastomeric element 8 is spring.

Compare traditional splicing sleeve, terminal clamp adopts wedge-shaped design, utilizes inner slidably wedge shape snap close fixing cord, and after the slide block draw ring that gets loose, under spring action, the slide block automatic tightening is clamped wire.Due to the effect of line tension, impel slide block further to receive to the tightest.The inner anti-skidding lines design of slide block can more effectively prevent from sliding because External Force Acting causes wire, keeps the full strain insulator of wire.Due to the design of adopting the wedge shape spring block, make applicable wire diameter scope larger simultaneously, product type is more simplified, and facilitates type selecting and stock control.

Claims

1. a terminal clamp, comprise the wedge clamp shell (1) with bottom surface and two side, the sliding shackle (2) that is positioned at wire clamp shell (1) inner close fitting two side and arranges in opposite directions.

2. terminal clamp according to claim 1, described wire clamp shell (1) inwall are useful on the chute that sliding shackle (2) is played fixing and position-limiting action, and the sliding shackle outer wall has the corresponding construction in conjunction with chute.

3. terminal clamp according to claim 2, described chute comprises sidewall chute (3) and bottom surface chute (4), sliding shackle outer wall construction and sidewall chute (3) are corresponding with bottom surface chute (4) structure.

4. terminal clamp according to claim 1, be provided with sliding shackle draw ring (5) on described sliding shackle (2).

5. terminal clamp according to claim 1, described sliding shackle inwall (7) has anti-skidding lines.

6. terminal clamp according to claim 1, the described sliding shackle (2) that arranges in opposite directions connects by elastomeric element (8), and sliding shackle (2) has the elasticity of automatic tightening clamping.

7. terminal clamp according to claim 6, described elastomeric element (8) is spring.