CN219009027U

CN219009027U - Chain operation detection device

Info

Publication number: CN219009027U
Application number: CN202223477967.8U
Authority: CN
Inventors: 王彪; 钟晓波; 龙成露; 王仁云
Original assignee: Shehong Chuanneng Environmental Protection Co ltd
Current assignee: Shehong Chuanneng Environmental Protection Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-12
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of chain operation, in particular to a chain operation detection device, which comprises a main board, wherein the middle part of the main board is movably connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a gear disc, the outer side of the gear disc is fixedly connected with a plurality of gear plates, one side of the main board is respectively and fixedly connected with a fixing plate and a protective cover, the middle part of the fixing plate is movably connected with a sensor, the improved detection device is fixedly arranged on the main board in a penetrating manner through the fixing plate and the protective cover by screws, the whole device is stably fixed, errors of the distance between the sensor and the gear disc caused by vibration and the like are avoided, so that data are inaccurate, the protective cover is of a U-shaped structure, the safety hidden danger is avoided, the safety of the device is improved while the normal operation is ensured, the outer wall of the sensor is provided with threads, the threads of the outer wall can fix the sensor and adjust the distance between the sensor and the gear plates.

Description

Chain operation detection device

Technical Field

The utility model relates to the technical field of chain operation, in particular to a chain operation detection device.

Background

When the garbage is burned to generate electricity, a large amount of dust is formed after combustion, therefore, the dust is required to be conveyed through the dust conveying system, once misjudgment signals appear on the dust conveying system, the equipment is stopped, then the residual dust is pressed on the dust conveying belt, when the motor operates to drive the chain to act, the gear disc which rotates synchronously is detected, when the speed is greater than the speed set by the sensor, the sensor is normally conducted, the control room judges that the equipment normally operates according to the signals, when the rotating speed of the gear disc is lower than the set speed, the sensor is disconnected, and the control room judges that the equipment operates according to the obtained signals, so that the maintenance can be timely performed.

The prior patent (publication number: CN 204264913U) discloses a quick-frozen tunnel chain running detection device, which comprises a main body frame, wherein an automatic chain spring tensioning device is arranged on the main body frame; two driving chain wheels and a chain matched with the driving chain wheels are symmetrically arranged on the automatic chain spring tensioning device; the automatic chain spring tensioning device between the driving sprockets is provided with a trigger magnetic steel for detecting the running state of the chain and a magnetic detection switch for detecting a trigger signal of the trigger magnetic steel. The utility model discloses a quick-freeze chain detection device can be simple and convenient, reliable, efficient detect the broken link, fall the chain, climb the tooth phenomenon of chain, prevent the equipment story that causes because of the chain for on-the-spot personnel can in time discover and solve the above-mentioned problem of equipment, improved work efficiency greatly, also prolonged the life of equipment simultaneously. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: when the traditional detection device detects the running speed of the chain, the distance between the sensor and the gear disc can be slightly offset and the gear sheet is smaller due to long-time running, so that the detection precision of the sensor is affected.

Disclosure of Invention

The utility model aims to provide a chain running detection device so as to solve the problem that the precision of the chain running detection device is inaccurate due to the gear plate and the gear disc which are proposed in the background art. In order to achieve the above purpose, the present utility model provides the following technical solutions: chain operation detection device, including the mainboard, the middle part swing joint of mainboard has the pivot, the one end fixedly connected with gear wheel of pivot, the outside fixedly connected with a plurality of gear wheel piece, one side of mainboard is fixedly connected with fixed plate and protection casing respectively, the middle part swing joint of fixed plate has the sensor.

Further preferably, the fixing plate and the protective cover are both penetrated and fixed on the main board by screws.

Further preferably, the rotation shaft and the gear disc are coaxial.

Further preferably, the plurality of gear plates are distributed in an annular equidistant manner by taking the central axis of the gear plate as the center of a circle.

Further preferably, the protective cover is in a U-shaped structure.

Further preferably, the outer wall of the sensor is provided with threads.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the fixing plate and the protective cover are penetrated and fixed on the main board by the screws, so that the whole device is stable and fixed, inaccurate data caused by errors in the distance between the sensor and the gear plate due to vibration and the like is avoided, the speed of the gear plate is equal to the speed of the chain due to the coaxiality between the rotating shaft and the gear plate, and the running speed detection is facilitated.

According to the utility model, the detected area of the sensor is increased by the annular equidistant distribution among the plurality of gear plates, the detection accuracy of the sensor is greatly improved, the protective cover is of a U-shaped structure, other gear plates are exposed outside the gear plates closest to the sensor, the safety hidden danger is avoided, the safety of the device is improved while the normal operation is ensured, the sensor is rotated by the threads arranged on the outer wall of the sensor, and the sensor can be fixed by the threads on the outer wall and the distance between the sensor and the gear plates is adjusted.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of the front half-section structure of the present utility model;

fig. 3 is a schematic top view of the present utility model.

In the figure: 1. a main board; 2. a rotating shaft; 3. a gear plate; 4. a gear plate; 5. a fixing plate; 6. a protective cover; 7. a sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: chain operation detection device, including mainboard 1, the middle part swing joint of mainboard 1 has pivot 2, and the one end fixedly connected with gear wheel 3 of pivot 2, the outside fixedly connected with of gear wheel 3 a plurality of gear piece 4, one side of mainboard 1 is fixedly connected with fixed plate 5 and protection casing 6 respectively, and the middle part swing joint of fixed plate 5 has sensor 7.

In this embodiment, as shown in fig. 1, the fixing plate 5 and the protective cover 6 are both fixed on the main board 1 by screws; it should be noted that, through the fixing plate 5 and the protecting cover 6 are all penetrated and fixed on the main board 1 by screws, the whole device is stably fixed, and the phenomenon that the data is inaccurate due to the fact that the distance between the sensor 7 and the gear disc 3 is wrong due to vibration and the like is avoided.

In this embodiment, as shown in fig. 1, the rotating shaft 2 and the gear disc 3 are coaxial; it should be noted that, the speed of the gear disc 3 is equal to the speed of the chain through the coaxial shaft between the rotating shaft 2 and the gear disc 3, so that the running speed detection is facilitated.

In this embodiment, as shown in fig. 2, a plurality of gear plates 4 are distributed in an annular equidistant manner with the central axis of the gear plate 3 as the center of a circle; it should be noted that, through the annular equidistant distribution of the central axis of the gear disc 3 as the center of a circle between the plurality of gear plates 4, the detected area of the sensor 7 is increased, and the detection accuracy of the sensor 7 is greatly improved.

In this embodiment, as shown in fig. 1, the protection cover 6 is configured as a U-shaped structure; it should be noted that, the protection cover 6 is of a U-shaped structure, so that the gear pieces 4 except the gear piece 4 nearest to the sensor 7 are exposed, and the other gear pieces 4 are all positioned in the protection cover 6, so that potential safety hazards are avoided, and the safety of the device is improved while the normal operation is ensured.

In this embodiment, as shown in fig. 3, the outer wall of the sensor 7 is provided with threads; the outer wall of the sensor 7 is provided with threads so that the sensor 7 is rotated, and the threads of the outer wall can fix the sensor 7 and adjust the distance between the sensor 7 and the gear plate 4.

The application method and the advantages of the utility model are as follows: when the chain operation detection device is used, the working process is as follows:

as shown in fig. 1, 2 and 3, the sensor 7 is first fixed on the fixed plate 5 in a rotating way, the rotating shaft 2 drives the gear disc 3 to rotate at the same speed, so that the gear plates 4 also rotate at the same speed, the sensor 7 detects the running speed through sensing time between the sensor 7 and each gear plate 4, and when the motor rotating speed reflected by the detection body is higher than the set speed of the sensor 7, the switch output is turned on; when the rotating speed is lower than the set speed, the output is disconnected, the response time of the sensor 7 can be adjusted through a potentiometer on the sensor 7, and the protective cover 6 surrounds the internal gear plate 4 to play a role in safety protection.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Chain operation detection device, including mainboard (1), its characterized in that: the intelligent electric motor is characterized in that a rotating shaft (2) is movably connected to the middle of the main board (1), a gear disc (3) is fixedly connected to one end of the rotating shaft (2), a plurality of gear plates (4) are fixedly connected to the outer side of the gear disc (3), a fixing plate (5) and a protective cover (6) are fixedly connected to one side of the main board (1) respectively, and a sensor (7) is movably connected to the middle of the fixing plate (5).

2. The chain operation detection device according to claim 1, wherein: the fixing plate (5) and the protective cover (6) are both penetrated and fixed on the main board (1) by screws.

3. The chain operation detection device according to claim 1, wherein: the rotating shaft (2) and the gear disc (3) are coaxial.

4. The chain operation detection device according to claim 1, wherein: the gear plates (4) are distributed in an annular equidistant manner by taking the central axis of the gear plate (3) as the center of a circle.

5. The chain operation detection device according to claim 1, wherein: the protective cover (6) is of a U-shaped structure.

6. The chain operation detection device according to claim 1, wherein: the outer wall of the sensor (7) is provided with threads.