Pipeline diameter measuring device

A measuring device and path technology, which is applied in directions such as navigation through speed/acceleration measurement, can solve the problems that the probe head is easily restricted in sliding, increases measurement difficulty, and reduces measurement efficiency, etc., and achieves practical and reliable structure, smooth and fast sliding, and improved The effect of measuring efficiency

Inactive Publication Date: 2018-03-16
江门市中讯通信技术有限公司
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Problems solved by technology

The existing communication pipeline trajectory detection head is usually equipped with an instrument compartment for loading sensors, and at least two sets of pulleys are provided, which are relatively large in size and complex in structure. When the pipeline is too curved, the sliding of the detection head is easily restricted, which increases the difficulty of measurement. Reduce measurement efficiency

Method used

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  • Pipeline diameter measuring device

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Embodiment Construction

[0014] refer to figure 1 , a pipeline path measuring device of the present invention comprises a fuselage and a wheel set arranged on the fuselage, the wheel set includes at least three righting brackets arranged radially around the fuselage and rollers 2 arranged on the righting brackets, The front end of the fuselage is provided with a traction head 1 for connecting a transmission cable 6. The traction head 1 is equipped with an attitude sensor and a stroke encoder, and the attitude sensor and the stroke encoder transmit the detected data to the upper position through the transmission cable 6. Machine, the fuselage is made of stainless steel pipe body, which reduces the quality of the whole machine and makes the structure stronger. The attitude sensor used is a high-performance three-dimensional motion attitude measurement system based on MEMS technology. It includes three-axis gyroscopes, three-axis accelerometers, three-axis electronic compass and other motion sensors, and...

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Abstract

The invention discloses a pipeline diameter measuring device, comprising a body and a wheel set arranged on the body; the wheel set includes at least three centralizing supports arranged around the radius of the body and rollers on the centralizing supports; the front end of the body is provided with a traction head for connecting a transmission cable, and a posture sensor is arranged in the traction head; the wheel set supports the inner wall of a pipe during measuring so as to maintain stable proceeding of a trajectory measurer, and damping and friction reduction are provided; instrument chamber structure is omitted, the posture sensor and a travel encoder are integrated in the traction head, the posture sensor measures a positional path of a pipeline during measurement proceeding, the travel encoder measures travel path data, the size of the device is greatly reduced, the weight is lighter, operations are more flexible and convenient, sliding is smoother and faster, and measuring efficiency can be improved; the pipeline diameter measuring device is structurally practical and reliable.

Description

technical field [0001] The invention relates to a measuring device, in particular to a pipeline path measuring device. Background technique [0002] The pipeline space trajectory measurement technology of trenchless communication engineering has the advantages of no damage to the environment, no impact on traffic, and short construction period. It is widely used in communication pipeline projects, and its pipeline space trajectory measurement plays an important role in trenchless engineering construction. At present, the trajectory measurement technology of communication pipelines mainly uses pipeline measuring instruments for data collection, uses the detection head to walk in the pipeline, and transmits the measured data to the host computer through the cable to process and calculate the three-dimensional trajectory. The existing communication pipeline trajectory detection head is usually equipped with an instrument compartment for loading sensors, and at least two sets of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/12
CPCG01C21/12
Inventor 彭锡基
Owner 江门市中讯通信技术有限公司
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