CN213022297U

CN213022297U - Chain elongation or fracture detection device

Info

Publication number: CN213022297U
Application number: CN202022083928.4U
Authority: CN
Inventors: 赵春元; 张柳枝; 李秀芳; 张晓峰; 杨意; 范伟; 肖一博; 王建伟
Original assignee: China Tobacco Henan Industrial Co Ltd
Current assignee: China Tobacco Henan Industrial Co Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-04-20
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a chain is elongated or detection device that splits especially relates to chain anomaly detection technical field, including the support, position sensor one is installed in support lower extreme left side, and position sensor two is installed on support lower extreme right side, and one side of position sensor one and position sensor two is provided with PLC programmable controller, and PLC programmable controller includes PLC input module and PLC output module. This kind of chain elongates or breaks detection device, cooperation through position sensor one and position sensor two, the signal that will detect the chain pitch is delivered to PLC programmable controller in through PLC input module, PLC programmable controller passes through PLC output module control alarm output relay and makes the electric bell report to the police when detecting unusually, thereby can realize the control of chain running state, in time discover equipment problem, avoid the emergence of equipment trouble or equipment accident, in order to solve the problem that present chain unusually can not in time discover.

Description

Chain elongation or fracture detection device

Technical Field

The utility model relates to a chain anomaly detection technical field especially relates to a chain is elongated or detection device that splits.

Background

Tobacco throwing line stores up cabinet bottom band, feeder lifting machine and all adopts the chain mode to drive the material and carries, because transported substance weight is great, uses for a long time and leads to the chain to elongate, influences equipment normal operating, directly leads to the chain fracture even, and the chain is unusual if can not in time discover, can cause inside chain and stull are drawn into equipment, can cause serious equipment trouble, influences equipment life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain is elongated or is cracked detection device to solve the problem that present chain can not in time discover unusually.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a chain is elongated or detection device that splits, includes the support, position sensor one is installed in support lower extreme left side, position sensor two is installed on support lower extreme right side, one side of position sensor one and position sensor two is provided with PLC programmable controller, PLC programmable controller includes PLC input module and PLC output module.

Specifically, the output ends of the first position sensor and the second position sensor are connected with the input end of the PLC input module, and the output end of the PLC input module is connected with the input end of the PLC output module.

Specifically, the output end of the PLC output module is connected with an alarm output relay, and the output end of the alarm output relay is connected with an electric bell.

Specifically, the support is of a concave structure, and the lower end of the support is transversely provided with a long hole.

Specifically, the outer walls of the first position sensor and the second position sensor are provided with threads, the first position sensor and the second position sensor are inserted into the elongated hole, and the first position sensor and the second position sensor are located outside the elongated hole and are in threaded connection with a nut.

Specifically, a plurality of chain wheels are arranged below the first position sensor and the second position sensor, a chain is arranged between every two adjacent chain wheels, and the distance between the first position sensor and the second position sensor is equal to the pitch of the chain.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: this kind of chain elongates or breaks detection device, through the cooperation of position sensor one and position sensor two, will detect the signal of chain pitch and deliver to PLC programmable controller in through PLC input module, PLC programmable controller makes the bell report to the police through PLC output module control alarm output relay when detecting unusually to can realize the control of chain running state, in time discover equipment problem, avoid the emergence of equipment trouble or equipment accident.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic diagram of the PLC input module of the present invention;

fig. 3 is the utility model discloses PLC output module schematic diagram.

In the figure: the system comprises a support 1, a position sensor 2, a position sensor 3, a position sensor II, a chain 4, a chain wheel 5, a PLC input module 6, a PLC output module 7, an alarm output relay 8 and an electric bell 9.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a chain elongation or breakage detection device comprises a support 1, a first position sensor 2 is installed on the left side of the lower end of the support 1, a second position sensor 3 is installed on the right side of the lower end of the support 1, a PLC programmable controller is arranged on one side of the first position sensor 2 and one side of the second position sensor 3, the PLC programmable controller comprises a PLC input module 6 and a PLC output module 7, output ends of the first position sensor 2 and the second position sensor 3 are connected with an input end of the PLC input module 6, an output end of the PLC input module 6 is connected with an input end of the PLC output module 7, an output end of the PLC output module 7 is connected with an alarm output relay 8, an output end of the alarm output relay 8 is connected with an electric bell 9, a plurality of chain wheels 5 are arranged below the first position sensor 2 and the second position sensor 3, and a chain 4 is arranged between every two adjacent chain wheels 5, the interval between the first position sensor 2 and the second position sensor 3 is equal to the pitch of the chain 4, the support 1 is of a concave structure, a long hole is transversely formed in the lower end of the support 1, threads are arranged on the outer walls of the first position sensor 2 and the second position sensor 3, the first position sensor 2 and the second position sensor 3 are inserted into the long hole, nuts are connected to the outer portions of the first position sensor 2 and the second position sensor 3 and located above the long hole in a threaded mode, firstly, the chain 4 is driven by a driving device to do reciprocating motion in a circulating mode, the chain 4 is supported by the chain wheel 5 in the running process, the pitches of the chain 4 are equal, the first position sensor 2 and the second position sensor 3 are respectively installed above the chain wheel 5 according to the pitch of the chain 4, threads are arranged on the outer walls of the first position sensor 2 and the second position sensor 3 and installed on the support 1, the support 1 is provided with a long hole for mounting the first position sensor 2 and the second position sensor 3, the first position sensor 2 and the second position sensor 3 are inserted into the long hole and then screwed outside the first position sensor 2 and the second position sensor 3 by bolts, the mounting distance between the first position sensor 2 and the second position sensor 3 in the long hole of the support 1 can be adjusted according to the pitch of the chain 4, and the distance between the first position sensor 2 and the second position sensor 3 is adjusted to be equal to the pitch of the chain 4;

the pitches of the chains 4 are equal, so that the position sensor I2 and the position sensor II 3 can simultaneously detect signals existing on the chain wheel 5 right below, certain deviation exists between the signals of the position sensor I2 and the position sensor II 3 due to the deviation of the processing precision of the chain wheel 5 and the detection precision of the position sensor I2 and the position sensor II 3 in the operation process, a tolerance range of +/-1 mm can be set in the PLC according to the deviation, and if two signals of the position sensor I2 and the position sensor II 3 appear simultaneously in the tolerance range, the state of the chains 4 is normal;

when two signals of the first position sensor 2 and the second position sensor 3 do not appear simultaneously in the allowance range, the chain 4 can be judged to be elongated or broken, at the moment, the signal for detecting the pitch of the chain 4 is sent to the PLC through the PLC input module 6, the PLC controls the alarm output relay 8 through the PLC output module 7 when abnormal detection occurs to enable the electric bell 9 to give an alarm, therefore, the running state of the chain 4 can be monitored, equipment problems can be found in time, and equipment faults or equipment accidents are avoided.

Claims

1. A chain elongation or breakage detection device, comprising a support (1), characterized in that:

position sensor (2) are installed in support (1) lower extreme left side, position sensor two (3) are installed on support (1) lower extreme right side, one side of position sensor (2) and position sensor two (3) is provided with PLC programmable controller, PLC programmable controller includes PLC input module (6) and PLC output module (7).

2. A chain elongation or breakage detecting apparatus as claimed in claim 1, wherein: the output ends of the first position sensor (2) and the second position sensor (3) are connected with the input end of the PLC input module (6), and the output end of the PLC input module (6) is connected with the input end of the PLC output module (7).

3. A chain elongation or breakage detecting apparatus as claimed in claim 2, wherein: the output end of the PLC output module (7) is connected with an alarm output relay (8), and the output end of the alarm output relay (8) is connected with an electric bell (9).

4. A chain elongation or breakage detecting apparatus as claimed in claim 1, wherein: the support (1) is of a concave structure, and the lower end of the support (1) is transversely provided with a strip hole.

5. A chain elongation or breakage detecting apparatus as claimed in claim 4, wherein: the outer walls of the first position sensor (2) and the second position sensor (3) are provided with threads, the first position sensor (2) and the second position sensor (3) are inserted into the strip hole, the first position sensor (2) and the second position sensor (3) are arranged outside and located above the strip hole and are in threaded connection with nuts.

6. A chain elongation or breakage detecting apparatus as claimed in claim 1, wherein: a plurality of chain wheels (5) are arranged below the first position sensor (2) and the second position sensor (3), a chain (4) is arranged between every two adjacent chain wheels (5), and the distance between the first position sensor (2) and the second position sensor (3) is equal to the pitch of the chain (4).