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A window opening device for cable metal armor layer

A metal armor layer and window opening technology, which is applied in the direction of shearing devices, metal processing equipment, hand-held metal shearing equipment, etc., can solve the problems of time-consuming and labor-intensive, and achieve the effect of portability

Active Publication Date: 2020-07-24
STATE GRID HEILONGJIANG ELECTRIC POWER CO LTD ELECTRIC POWER RES INST +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to solve the time-consuming and labor-intensive problem of manually opening the window when measuring and controlling the overlapping rate of the metal armor layer of the cable and related data, and proposes a window opening device for the metal armor layer of the cable

Method used

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  • A window opening device for cable metal armor layer
  • A window opening device for cable metal armor layer

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0021] Specific implementation mode one: the following combination figure 1 This embodiment is described. A cable metal armor layer window opening device described in this embodiment includes two handles 1, hinges 2, two pressing parts 3, shearing parts 4 and four pairs of clamping parts 5;

[0022] The middle parts of the two handles 1 are hinged through the hinge part 2, and the front end of each handle 1 is fixedly connected with one end of a pressing piece 3 to form an integral piece; the pressing piece 3 is a rectangular block, and the two pressing pieces are arranged oppositely. The opposite sides of each pressing piece are provided with rectangular grooves along the length direction, and the faces of the two pressing pieces 3 provided with grooves face each other; two pairs of clamping pieces 5 are fixed on each pressing piece 3;

[0023] The shearing part 4 includes two arc cutters, each arc cutter is installed in the groove of a pressing part, and the blades of the tw...

specific Embodiment approach 2

[0024] Specific Embodiment 2: This embodiment further describes the window opening device for a cable metal armor layer described in Embodiment 1. The two pairs of clamping parts 5 clamped on an arc cutter are respectively connected with the pressing part 3 Fixed connections on both sides.

[0025] The clamping block described in this embodiment realizes the clamping of the shearing piece, and the clamping block is located on both sides of the centerline perpendicular to the slideway, between the centerline perpendicular to the slideway and the two ends of the pressing piece, preferably The midpoint between the midline perpendicular to the slideway and the two ends of the press.

specific Embodiment approach 3

[0026] Specific Embodiment 3: This embodiment further describes the window opening device for the cable metal armor layer described in Embodiment 1. Each arc-shaped cutter has a groove on the center line in the direction of elongation of the cutting surface. The end faces of both walls of the groove are knife-edged.

[0027] The arc-shaped cutter of the shearing part described in this embodiment includes two arc-shaped blades, and the two arc-shaped blades are connected by a rectangular connecting plate, and the outer sheath or insulating layer of the cable is cut out along the cable insulation. The layer is an annular opening, and the width of the ring is the distance between the two blades of the groove. When in use, the distance between the two blades of the groove can be set according to actual needs.

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Abstract

The invention belongs to a cable metal armored layer window opening device, and relates to a cable window opening device. The problem that the manual window opening is time-consuming and labor-intensive when existing control cable metal armored layer lap joint rate and related data are measured is solved. The middle parts of two handles are hinged by a hinge part, the front ends of the handles arefixedly connected with one ends of pressing members, an integral member is formed; the pressing members are of a rectangular block, the two pressing members are oppositely disposed, rectangular grooves are formed in the opposite side surfaces of the two pressing members in the length direction, and the surfaces, where the grooves are formed, of the two pressing members are opposite. Two clampingmembers are fixed to each pressing member; a cutting member comprises two curved cutting blades, each curved cutter is installed in the groove of one of the pressing members, and cutting edges of thetwo curved cutting blades are opposite, and the two clamping members on one of the pressing members separately clamp the outer edges of two sides of the curved cutting blades. The cable metal armoredlayer window opening device is used for opening a window of a cable metal armored layer.

Description

technical field [0001] The invention relates to a cable window opening device. Background technique [0002] The metal armor of the control cable is an important load-bearing structure. If there is a problem with the technical parameters of the metal armor of the control cable, the life of the internal structure of the control cable cannot be guaranteed in future work when the control cable is under the action of an external force. [0003] There are two main forms of metal armor for control cables, one is metal tape armor, and the other is round wire armor. At present, the first form of armor is more common. [0004] Metal tape armor is painted steel tape or galvanized steel tape, which is wrapped on the inner lining by a left-hand helical gap of a bimetallic tape. The middle of the outer metal strip is roughly above the gap of the inner metal strip. According to the requirements of GB / T9330.1-2008, the wrapping gap should not be greater than 50% of the width of the metal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D29/02
CPCB23D29/02
Inventor 吴明君周扬曲中直韩思玮王志斌唐晓博徐剑锋刘立伟吴北辰
Owner STATE GRID HEILONGJIANG ELECTRIC POWER CO LTD ELECTRIC POWER RES INST