CN215988223U

CN215988223U - Single-wire broken wire triggering protection device for stranding machine

Info

Publication number: CN215988223U
Application number: CN202122001923.7U
Authority: CN
Inventors: 巩鲁洪; 张志伟; 王国亮; 赵健勇; 齐锋; 房东; 付伟峰; 李海峰; 孙浩; 段勇; 丁金鑫; 郭朋
Original assignee: Zhengzhou Xianghe Group Electric Equipment Manufacturing Co ltd
Current assignee: Zhengzhou Xianghe Group Electric Equipment Manufacturing Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-08
Anticipated expiration: 2031-08-24

Abstract

The utility model firstly provides a single-wire broken wire trigger protection device for a stranding machine, which is used for solving the problems that the traditional monitoring means is unreliable and cannot be found in time, and comprises a control loop and a main loop, wherein the control loop comprises a PLC control module and a trigger circuit for starting and controlling the PLC control module, the PLC control module is electrically connected with the main loop, the trigger circuit comprises a middle line M and a positive end input line P24V which are electrically connected with each device in the main loop, the trigger loop is made of conductive materials, the position of the trigger loop is relatively fixed relative to the position of a cable, the trigger loop is sleeved at the position of each cable, a gap is arranged between the trigger loop and each cable, and the positive end input line, the trigger loop, the cable, the device and the middle line M form a closed conductive loop.

Description

Single-wire broken wire triggering protection device for stranding machine

Technical Field

The utility model relates to a trigger protection device, in particular to a single-wire broken wire trigger protection device for a stranding machine.

Background

As shown in fig. 1, the cable is composed of a plurality of layers of annularly distributed conductive wires/conductive rods, and during the production and manufacturing, the cable is gradually twisted from an inner layer to generate a layered structure, and each layer of conductive wires has a large internal stress when twisted first, so that the individual conductive wires are broken in the twisting process. A plurality of stranding machines are distributed according to the number of the cable layers in the cable manufacturing production line, a large space is reserved between every stranding machine as shown in fig. 2, whether the cable is broken or not is monitored in the traditional technology, a specially-assigned person needs to continuously inspect the cable manufacturing line, and the broken cable is found by manpower to have a large leak. Such as the problems that field personnel think carelessness and the fracture condition can not be found in time under the long-term operation, etc.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model firstly provides a single-wire broken wire trigger protection device for a stranding machine, so as to solve the problems that the traditional monitoring means is unreliable and cannot be found in time.

Its technical scheme is, including control circuit and major loop, control circuit includes PLC control module and start control PLC control module's trigger circuit, PLC control module with major loop electric connection, trigger circuit include with each equipment electric connection's in the major loop intermediate line M and positive terminal input line P24V, still include by the relative fixed trigger ring who cup joints each section cable department position of relative cable position that conductive material made, trigger ring and each section be equipped with the interval between the cable, positive terminal input line, trigger ring, cable, equipment, intermediate line M form the conductive loop that can close.

In an embodiment, the trigger ring is made of a solid plastic metal wire, and forms a ring-shaped portion with an opening, and further includes a conductive portion with the ring-shaped portion, and the conductive portion is wrapped with an insulating layer.

In the above or some embodiments, the distance between the inner ring of the trigger ring and the corresponding cable layer is-mm.

In the above or some embodiments, the conductive portion is wrapped around a retaining bar, the retaining bar comprising a base fixedly mounted to one side of the cable segment.

In the above or some implementations, a reactor DK and a transfer switch SA are sequentially connected in series between the trigger ring and the positive terminal input line, and the reactor DK simultaneously serves as a switching element between the positive terminal and the PLC control module.

In the foregoing or some embodiments, the main circuit includes a first wire twisting machine main circuit, a second wire twisting machine main circuit, and a third wire twisting machine main circuit, and the first wire twisting machine main circuit, the second wire twisting machine main circuit, and the third wire twisting machine main circuit are electrically connected to the PLC control module.

This scheme is when specifically using, the distance of phase distance cable section can be adjusted as required to the plastic ring that triggers, it must disperse the inflation in case take place to burst apart its fracture end under the stress action to correspond the section cable, with the ring contact that triggers when cable section inflation is dispersed, trigger circuit switch-on and then the realization has the action of PLC control module drive major loop this moment, promptly close the stranding machine, PLC control module still can trigger alarm circuit simultaneously, remind operating personnel through alarm circuit, finally realize the control and the protection to the stranding machine production line.

Drawings

Fig. 1 is a schematic view of a cable structure.

Fig. 2 is a schematic view of the connection structure of the present invention.

Fig. 3 is a schematic structural diagram of the trigger ring of the present invention.

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Those of ordinary skill in the art will recognize that the directional terms "upper," "lower," "outer," "inner," etc., are used in a descriptive sense with respect to the figures and are not intended to limit the scope of the claims.

The main circuit 400 is used for controlling the production line of the wire twisting machine 500 in one embodiment of the present disclosure, a specific connection structure of the main circuit is not disclosed in the present application, a circuit connection structure of any main circuit in the prior art can be used in the present technical solution, a transformation point of the present application lies in a part related to a trigger circuit in the control circuit, and the part of the trigger circuit is mainly used for sensing and monitoring whether the cable 300 is broken or not in the twisting process in the production line, and is used for replacing manual monitoring in transmission production.

In an embodiment shown in fig. 2, the control circuit includes a trigger circuit for starting the PLC control module 100 by the PLC control module 100, the PLC control module 100 is electrically connected to the main circuit, the main circuit 400 includes a first main circuit 401 of the wire twisting machine, a second main circuit 402 of the wire twisting machine, and a third main circuit 403 of the wire twisting machine, and the first main circuit 401 of the wire twisting machine, the second main circuit 402 of the wire twisting machine, and the third main circuit 403 of the wire twisting machine are electrically connected to the PLC control module 100.

In the above or some embodiments, the trigger circuit includes an intermediate line M and a positive input line P24V electrically connected to each device in the main circuit, and further includes a trigger ring 200 made of a conductive material and sleeved at a position where each cable segment is located, the position of the trigger ring is relatively fixed with respect to the cable 300, the trigger ring 200 is made of a solid plastic metal wire and forms a ring portion 201 provided with an opening, and further includes a conductive portion 202 integrated with the ring portion 201, specifically, may be made of a plastic aluminum wire, the conductive portion 202 is wrapped with an insulating layer 203, a space is provided between the trigger ring 200 and each cable segment 300, and the positive input line, the trigger ring 200, the cable 300, the device, and the intermediate line M form a closable conductive circuit.

In the above or some embodiments, in order to ensure the triggering effect, preferably, the distance between the inner ring of the trigger ring 200 and the corresponding cable 300 is 10-30mm, and in order to fix the trigger ring 200 and to facilitate the adjustment of the position of the trigger ring 200, the conductive part 202 is wound on a fixing rod 204, the fixing rod 204 includes a base 205, the base 205 is fixedly installed on one side of the cable 300, and a reactor DK and a transfer switch SA are sequentially connected in series between the trigger ring 200 and the positive terminal input line, and the reactor DK serves as a switch element between the positive terminal and the PLC control module 100.

Claims

1. A single line disconnection trigger protection device for stranding machine, including control circuit and major loop, its characterized in that, control circuit includes PLC control module (100) and the trigger circuit who starts control PLC control module (100), PLC control module (100) with major loop electric connection, trigger circuit include with the major loop in each equipment electric connection's intermediate line M and positive terminal input line P24V, still include relative cable (300) position relatively fixed by conductive material cup joint trigger ring (200) of each section cable department position, trigger ring (200) and each section be equipped with the interval between cable (300), but positive terminal input line, trigger ring (200), cable (300), equipment, intermediate line M form the conductive loop that can close.

2. The single-wire break trigger protection device for stranding machines according to claim 1, characterised in that the trigger ring (200) is made of solid plastic metal wire and forms an annular portion (201) provided with an opening, and comprises a conductive portion (202) integrally connected with the annular portion (201), the conductive portion (202) being wrapped with an insulating layer (203).

3. The single-wire break trigger protection device for stranding machines according to claim 2, characterized in that the distance between the inner circle of the trigger ring (200) and the layer of the corresponding section of cable (300) is 10-30 mm.

4. The single wire break trigger protection device for a wire twisting machine as claimed in claim 3, wherein said conductive portion (202) is wound on a fixed bar (204), said fixed bar (204) comprising a base (205), said base (205) being fixedly mounted on one side of a section of cable (300).

5. The single-wire break trigger protection device for the stranding machine according to any one of claims 1 to 4, characterized in that a reactor DK and a transfer switch SA are connected in series between the trigger ring (200) and the positive terminal input line in sequence, and the reactor DK is used as a switching element between the positive terminal and the PLC control module (100).

6. The single-wire break trigger protection device for the stranding machine according to claim 5, wherein the main loop (400) comprises a first stranding machine main loop (401), a second stranding machine main loop (402) and a third stranding machine main loop (403), and the first stranding machine main loop (401), the second stranding machine main loop (402) and the third stranding machine main loop (403) are electrically connected with the PLC control module (100).