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CN-224211700-U - Material flowing state detection device

CN224211700UCN 224211700 UCN224211700 UCN 224211700UCN-224211700-U

Abstract

The utility model relates to the technical field of material detection, in particular to a material flow state detection device. The device comprises a chute, an impeller and a rotating speed detection structure, wherein a channel for materials to flow through from top to bottom is formed in the chute, the impeller is rotationally connected in the chute, blades on one side of the impeller can be in contact with the materials in the process of flowing the materials, and the rotating speed detection structure is connected to the impeller and is used for detecting the rotating state of the impeller in real time. The material can push the impeller to rotate while flowing, the rotating speed detecting structure can detect the rotating state of the impeller in real time to obtain the rotating speed of the impeller, and a worker can judge whether the material exists in the chute and the flowing state of the material by observing the detecting result of the rotating speed detecting structure. The detection device can work stably and reliably for a long time, does not need to be maintained frequently, is not easy to be interfered by sundries, and the detection result can accurately reflect the flowing state of materials, so that the fluency of the production process can be improved, and accidents are avoided.

Inventors

  • ZHU DESHAN
  • LI YIMING
  • MA JIANXIANG
  • YUAN RUIJUN
  • YANG YANLIN
  • LIU HUANAN

Assignees

  • 鄂尔多斯市国源矿业开发有限责任公司
  • 天津美腾科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250609

Claims (10)

  1. 1. The utility model provides a material flow state detection device which characterized in that includes chute (1), impeller (2) and rotational speed detection structure (3), wherein: the chute (1) is internally provided with a channel for materials to flow through from top to bottom; The impeller (2) is rotationally connected in the chute (1), and blades on one side of the impeller (2) can be contacted with materials in the process of material flow; The rotating speed detection structure (3) is connected to the impeller (2) and is used for detecting the rotating state of the impeller (2) in real time.
  2. 2. The material flow state detection device according to claim 1, further comprising a rotating shaft (4), wherein the impeller (2) is sleeved on the rotating shaft (4), and two ends of the rotating shaft (4) are rotatably connected to the groove wall of the chute (1).
  3. 3. The material flow state detection device according to claim 2, wherein the rotation speed detection structure (3) comprises an encoder, and one end of the rotating shaft (4) extends out of the chute (1) and is connected to the encoder.
  4. 4. The material flow state detection device according to claim 1, further comprising a material blocking structure (5), wherein the material blocking structure (5) is arranged in the chute (1) and above the impeller (2), and the material blocking structure (5) is blocked between material and part of the impeller (2).
  5. 5. The material flow state detection device according to claim 4, wherein the material blocking structure (5) comprises a flow guiding baffle (51), and a part of the impeller (2) is arranged right below the flow guiding baffle (51).
  6. 6. The material flow state detection apparatus according to claim 5, wherein the deflector (51) is disposed obliquely from top to bottom.
  7. 7. The material flow state detection device according to claim 5, wherein the material blocking structure (5) further comprises a flow guiding plate (52), the upper end of the flow guiding plate (52) is connected to the flow guiding baffle (51), and the lower end of the flow guiding plate (52) is inclined to one side of the impeller (2).
  8. 8. The material flow state detection device according to claim 7, wherein the flow guide baffle plate (51) and the flow guide plate (52) are integrally formed, and the connecting surface of the flow guide baffle plate and the flow guide plate is vertically aligned with the axis of the impeller (2).
  9. 9. The material flow condition detection device according to claim 4, further comprising a pressure sensor (6) disposed within the chute (1).
  10. 10. The material flow state detection device according to claim 9, characterized in that the pressure sensor (6) is mounted below the material blocking structure (5).

Description

Material flowing state detection device Technical Field The utility model relates to the technical field of material detection, in particular to a material flow state detection device. Background Bulk materials such as coal are used in the production of gravity fed conveyor systems which typically include a chute for the flow of material therethrough, the chute being mounted vertically or at a relatively large angle to the chute so that the material flows through the chute under its own weight from top to bottom. In order to prevent materials and dust from overflowing from the chute, the chute is of a closed structure around, so that the flowing state of the materials in the chute is hidden, and the materials are difficult to find in time when the conditions of flow interruption, blockage and the like occur. The existing method for detecting the material flowing state comprises the steps of 1, an image method, a radar method, a 3, a ranging method, a radar method, a distance measuring method and the like, wherein an observation port is formed in a chute wall, a monitoring camera is installed to shoot the inside of the chute, the image algorithm is used for giving the internal flowing state, when the dust amount is very large and a camera lens is dirty, the image shooting quality is very poor, the camera is required to be cleaned frequently, 2, the radar method is used for replacing the camera with the radar sensor after the observation port is formed, the method can only detect whether the material in the chute exists or not, the flow of the material cannot be described, and the distance measuring method is used for detecting the distance from the material to the sensor on the basis of the radar method, but the conditions that a material block is blocked, the distance measuring sensor is blocked on the chute wall, and the like are not used for a long time. The existing detection modes have defects, and the flowing state of materials cannot be accurately and reliably detected. Therefore, how to accurately and reliably detect the material flow state is a technical problem that needs to be solved by those skilled in the art. Disclosure of utility model The utility model aims to provide a material flow state detection device, which solves the technical problem that the material flow state cannot be accurately and reliably detected in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a material flow state detection device, includes chute, impeller and rotational speed detection structure, wherein: the chute is internally provided with a channel for materials to flow through from top to bottom; the impeller is rotationally connected in the chute, and part of the impeller can be contacted with the material in the material flowing process; The rotating speed detection structure is connected to the impeller and used for detecting the rotating state of the impeller in real time. Further, the device also comprises a rotating shaft, wherein the impeller is sleeved on the rotating shaft, and two ends of the rotating shaft are rotatably connected with the groove wall of the chute. Further, the rotating speed detection structure comprises an encoder, and one end of the rotating shaft extends out of the chute and is connected with the encoder. Further, the device also comprises a material blocking structure, wherein the material blocking structure is arranged in the chute and is positioned above the impeller, and the material blocking structure is blocked between materials and part of the impeller. Further, the material blocking structure comprises a flow guide baffle, and part of the impeller is arranged below the flow guide baffle. Further, the flow guide baffle is obliquely arranged from top to bottom. Further, the material blocking structure further comprises a drainage plate, the upper end of the drainage plate is connected with the flow guide baffle, and the lower end of the drainage plate is inclined towards the impeller. Further, the flow guide baffle and the flow guide plate are integrally formed, and the connecting surface of the flow guide baffle and the flow guide plate is vertically aligned with the axis of the impeller. Further, the device also comprises a pressure sensor arranged in the chute. Further, the pressure sensor is arranged below the material blocking structure. The utility model has the beneficial effects that: The material flow state detection device comprises a chute, an impeller and a rotating speed detection structure, wherein a channel for allowing materials to flow from top to bottom is formed in the chute, the impeller is rotationally connected in the chute, part of the impeller can be in contact with the materials in the material flow process, and the rotating speed detection structure is connected to the impeller and is used for detecting the rotating state of the impeller in real time. When th