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Rotating speed and torque sensor and measurement system with same

A rotational speed torque sensor technology, applied in the direction of measuring device, measuring device casing, measuring instrument components, etc., can solve problems such as damage to measuring mechanism and inaccurate measurement results.

Pending Publication Date: 2021-04-30
CCTEG CHINA COAL RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when measuring the rotational speed and torque of the output shaft of the drilling rig, the measuring mechanism and the measuring shaft are integrated and connected by a shaft. When the measuring mechanism is measuring, the axial force generated by the measuring shaft to the measuring mechanism and the swing of the measuring shaft occur. , will lead to inaccurate measurement results or even damage the measurement mechanism

Method used

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  • Rotating speed and torque sensor and measurement system with same
  • Rotating speed and torque sensor and measurement system with same

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Embodiment Construction

[0021] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0022] The rotational speed torque sensor 3 according to the embodiment of the present invention will be described below with reference to the drawings.

[0023] The rotational speed torque sensor 3 according to the embodiment of the present invention includes a housing 31, a rotating shaft 32 and a sensing unit 35. The housing 31 has a cavity 311, the rotating shaft 32 is rotatably installed on the housing 31, and the rotating shaft 32 At least partially located in the chamber 311, the rotating shaft 32 is provided with a measuring groove 321, the sensing unit 35 is arranged in the measuring groove 321, the sensing unit 35 is sleeved on the rotating shaft 32, th...

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Abstract

The invention discloses a rotating speed and torque sensor, which comprises a shell, a rotating shaft and a sensing unit, and is characterized in that the shell is internally provided with a cavity, the rotating shaft is rotatably arranged on the shell in a penetrating manner, at least part of the rotating shaft is located in the cavity, and the rotating shaft is provided with a measuring groove; the sensing unit is arranged in the measuring groove, the rotating shaft is sleeved with the sensing unit, the outer circumferential surface of the sensing unit is connected with the inner wall of the cavity, and the inner circumferential surface of the sensing unit and the bottom surface of the measuring groove are arranged at intervals in the radial direction of the rotating shaft to form a measuring gap. The rotating speed and torque sensor has the advantages of being simple in structure, high in reliability and high in measurement precision.

Description

technical field [0001] The invention relates to the technical field of mechanical engineering seals, in particular to a rotational speed torque sensor and a measurement system with the rotational speed torque sensor. Background technique [0002] At present, when measuring the rotational speed and torque of the output shaft of the drilling rig, the measuring mechanism and the measuring shaft are integrated and connected by a shaft. When the measuring mechanism is measuring, the axial force generated by the measuring shaft to the measuring mechanism and the swing of the measuring shaft occur. , will lead to inaccurate measurement results or even damage the measurement mechanism. Contents of the invention [0003] The present invention is based on the inventor's discovery and recognition of the following facts and problems: [0004] Document-CN107576351A proposes a rotational speed torque sensor and a measurement system based on the rotational speed torque sensor. However,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02G01D11/24
CPCG01D11/245G01D21/02
Inventor 赵善坤苏振国邓志刚李特柴海涛魏金莉李少刚张宁博毕慧杰王寅
Owner CCTEG CHINA COAL RES INST