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Cable shearing device for relay protection

A relay protection and cutting device technology, which is applied in the field of cable cutting devices, can solve problems such as the inability to meet the cutting needs of cables of different lengths, and achieve the effect of preventing incomplete cutting of cables and increasing the cutting speed

Active Publication Date: 2021-04-02
国网浙江省电力有限公司开化县供电公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cutting device adjusts the gap between the extrusion pad and the cable by rotating the screw, which can adapt to cables of different diameters, but cannot meet the cutting needs of cables of different lengths

Method used

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  • Cable shearing device for relay protection
  • Cable shearing device for relay protection
  • Cable shearing device for relay protection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Such as figure 1 As shown, a relay protection cable cutting device includes a cutting mechanism, a transmission mechanism, a limit mechanism and an outer frame 4 . The limit mechanism is arranged above the transmission mechanism for pressing the cable on the transmission mechanism; the shear mechanism is arranged on the right side of the transmission mechanism; the transmission mechanism and the shear mechanism are installed at the bottom of the inner wall of the outer frame 4, and the limit mechanism is installed At the top of the inner wall of the outer frame 4.

[0083] Such as Figure 3~5 As shown, the above-mentioned shearing mechanism includes two first supporting columns 1-9, a first rotating motor 1-8, a shearing wheel 1-1, two limit cylinders 1-2, a clamping assembly, and two blades 1 -5. Two second rotating motors 1-13, four support rollers 1-11; the clamping assembly includes two fixed cylinders 1-7, two connecting blocks 1-3, and a first telescopic compone...

Embodiment 2

[0088] The difference between this embodiment and Embodiment 1 is that the limiting cylinder 1-2 realizes the self-rotation of the limiting cylinder 1-2 through rotational connection with the first supporting column 1-9.

[0089] During the clamping process of the limiting cylinder 1-2 by squeezing the two opposite connecting blocks 1-3, the rotation of the limiting cylinder 1-2 can reduce the friction between it and the connecting block 1-3, thus The wear of both can be reduced, and at the same time, the rotation of the shearing wheel 1-1 can be prevented from being hindered.

Embodiment 3

[0091] The difference between this embodiment and Embodiment 1 is that two notches 1-6 are provided at equal intervals on the peripheral surface of the shearing wheel 1-1, and a set of clamping components is provided in each notch 1-6. The total number of blades 1-5 and the second rotating motor 1-13 is four, and the total number of thread support rollers 1-11 is eight.

[0092] By arranging two notches 1-6 at equal intervals, the shearing wheel 1-1 can realize two shears by rotating one revolution, and can reduce the rotational speed of the shearing wheel 1-1 under the condition that the required cable cutting length is the same , thereby reducing the energy consumption during the operation of the first rotating electric machine 1-8.

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Abstract

The invention relates to the field of cable shearing devices, and discloses a cable shearing device for relay protection. The cable shearing device comprises a shearing mechanism used for shearing a cable, a conveying mechanism and a limiting mechanism, wherein the shearing mechanism comprises a shearing wheel, at least two limiting cylinders located on the two sides of the shearing wheel separately, at least one set of clamping assembly arranged in the circumferential direction of the shearing wheel and rotating along with the shearing wheel, and a blade connected with the clamping assembly;the clamping assembly is clamped by the interference of the limiting cylinders in the process of rotating along with the shearing wheel, so that the blade is driven to cut off the cable; the conveyingmechanism is used for horizontally conveying the cable into the shearing mechanism; and the limiting mechanism is arranged above the conveying mechanism and used for pressing the cable on the conveying mechanism. According to the cable shearing device, the shearing length of the cable can be controlled by controlling the rotating speed of the shearing wheel, and section incompleteness caused by displacement of the cable in the conveying process can be prevented.

Description

technical field [0001] The invention relates to the field of cable cutting devices, in particular to a relay protection cable cutting device. Background technique [0002] The relay is an electrical control device, which is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electrical output circuit when the change of the input quantity meets the specified requirements. It has an interactive relationship between the control system and the controlled system. Usually used in automatic control circuits, it is actually an "automatic switch" that uses a small current to control the operation of a large current. Therefore, it plays the role of automatic adjustment, safety protection, and conversion circuit in the circuit. [0003] Existing cable cutting devices are usually unable to automatically adjust the cut length of each section of cable, making it difficult to adapt to different cutting requirements. For example, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21F11/00B21F23/00
CPCB21F11/00B21F23/00Y02W30/82
Inventor 鲁晨浩陈志军张耀胡晓波管仙美毛芹伟陈松常亮李一林邓东星石程烨殷一般陈冬馨徐远征郑斌
Owner 国网浙江省电力有限公司开化县供电公司
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