Pressure heavy load sensor of concrete filled steel tube

A technology of concrete filled steel tubes and sensors, which is applied in the field of heavy-load sensors, can solve the problems of inconvenient processing and manufacturing, increase the cost of the sensor, reduce the stiffness of the sensor, etc., and achieve the effects of simple and reasonable structure, reliable performance and stable performance.

Inactive Publication Date: 2014-11-19
UNIV OF JINAN
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  • Claims
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Problems solved by technology

[0002] In the current heavy-duty weighing, the carrier used by the pressure sensor is all-metal material. In order to carry a large load, the volume of the sensor is often increased, which increases the cost of the sensor. ...

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  • Pressure heavy load sensor of concrete filled steel tube
  • Pressure heavy load sensor of concrete filled steel tube

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Embodiment Construction

[0010] See attached figure 1 , figure 2 , the invention provides a weighing and pressure sensor with high rigidity and large bearing capacity. It is composed of 2 end caps, 3 wires, 4 steel pipes, 5 concrete, 6 through holes, 7 fastening screws, 8 non-slip threads, and 9 resistance strain gauges.

[0011] See attached figure 1 , figure 2 , the sensor is in the shape of a short cylinder. After the end cover 2 is coated with sealant, it is fixed on the sensor carrier by six fastening screws 7. The six fastening screws are evenly distributed on the end cover. There is a boss on the end cover. With anti-skid pattern 8

[0012] See attached figure 1 , the carrier of the sensor is composed of steel pipe 4 and concrete 5 . Two groups of strain gauges 9 are evenly arranged in the steel tube concrete, the first group includes four strain gauges, which are evenly distributed on the contact surface between the concrete and the steel pipe, and the direction is vertical, and the tw...

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Abstract

Disclosed is a one-dimensional heavy load sensor which is high in accuracy, high in rigidity, large in load and low in cost. The concrete filled steel tube structure is adopted as a bearing body, the outer portion of the concrete filled steel tube structure is of a cylindrical structure, two sets of resistance strain sheets are arranged in the bearing body, the first set comprises four resistance strain sheets vertically and evenly distributed on the contact surface of concrete and the steel tube, the other set comprises one resistance strain sheet which is arranged in the center of the concrete filled steel tube, the two ends of the resistance strain sheets are connected with wires, and the wires on the resistance strain sheets are connected to external equipment through through holes in the wall and the bottom end of the sensor. The concrete filled steel tube is adopted as the bearing body, the load bearing capacity is largely increased, and the size of the bearing body can be largely reduced. The sensor is provided with the two sets of resistance strain sheets which are five in number, so that the sensitivity and accuracy of the sensor are improved. The pressure heavy load sensor of the concrete filled steel tube has the advantages of being simple in structure, convenient to machine, reliable in performance, good in load bearing capacity, high in measurement accuracy, small in size, high in rigidity, stable in performance and the like.

Description

technical field [0001] The invention relates to a heavy-duty sensor for weighing and measuring pressure. Background technique [0002] In the current heavy-duty weighing, the carrier used by the pressure sensor is all-metal material. In order to carry a large load, the volume of the sensor is often increased, which increases the cost of the sensor. It is inconvenient to use, inconvenient to process and manufacture, and difficult to weigh. accurate. Although many heavy-duty sensors adopt a hollow structure, this reduces the stiffness of the sensor and sacrifices the load value of the load. Contents of the invention [0003] The purpose of the present invention is to provide a high-precision, large-load, high-rigidity, low-cost one-dimensional heavy-duty sensor. [0004] In order to achieve the above object, the present invention adopts the following scheme: high precision, large load, high rigidity, low-cost one-dimensional heavy load sensor is based on the unified theor...

Claims

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Application Information

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IPC IPC(8): G01L9/04
Inventor 李玉钦李映君崔焕勇田娜韩彬彬夏婷王海燕
Owner UNIV OF JINAN
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