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Large-sized forgeable piece three-dimensional size and temperature on-line detection device

A technology for large forgings and detection devices, applied in measuring devices, optical devices, radiation pyrometry, etc., can solve problems such as the inability to reflect the three-dimensional shape information of large forgings, and achieve elimination of luminous and high temperature effects, high structural rigidity, and scanning. high precision effect

Inactive Publication Date: 2008-07-09
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

Since this technique can only measure a section of a forging, it cannot reflect the three-dimensional shape information of a large forging

Method used

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  • Large-sized forgeable piece three-dimensional size and temperature on-line detection device

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Embodiment Construction

[0013] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0014] The structure of the large-scale forging three-dimensional external dimension and temperature online detection device of the present invention is shown in Figure 1, mainly including a high-temperature laser rangefinder 1, an infrared thermometer 10 and a computer 8, and adopts a two-degree-of-freedom parallel rotating scanning frame to realize three-dimensional Scan measurement. The two-degree-of-freedom parallel rotating scanning frame consists of a motion platform 2, five hinges 3, an outer frame 4, a driving rod 5, a frame 6, two motors 7 and an inner frame 9 One group of opposite sides of the moving platform 2 is connected with the inner frame 9 through two hinges 3, the inner frame 9 is connected with a motor 7 and installed on the frame 6 of the motor, the other pair of the moving platform 2 Limit is connected with oute...

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Abstract

The invention relates to an online measurement device for measuring three-dimensional contour and temperature of large forgings, comprising a high-temperature laser ranger, an infrared thermometer and a two-DOF parallel rotary scanning frame. The two-DOF parallel rotary scanning frame comprises a motion platform, hinges, an outer frame, a driving rod, a chassis, two motors and an inner frame, wherein a set of opposite sides of the motion platform is connected with the inner frame via the hinge, the inner frame is connected with one motor and installed on the chassis, the other set of opposite sides of the motion platform is connected with the outer frame via the hinge, and the outer frame is connected with the driving rod via the hinge, and the driving rod is connected with the other motor in parallel and installed on the chassis. The high-temperature laser ranger and the infrared thermometer are fixedly installed on the motion platform, the high-temperature laser ranger, the infrared thermometer and the two motors are connected with a computer via data lines, so as to realize three-dimensional scanning measurement. The invention has simple structure, can realize non-contact and long-distance measurement, and can obtain the three-dimensional contour, size and temperature information at the same time.

Description

technical field [0001] The invention relates to an online detection device for three-dimensional external dimensions and temperature of a large forging, in particular to an online detection device for three-dimensional external dimensions and temperature of a laser scanning and infrared temperature measurement, belonging to the technical field of metal forming detection. Background technique [0002] Large-scale forgings are an important foundation for national development and national economic construction, and comprehensively improving the manufacturing capacity and technical level of large-scale forgings has great social significance and economic value. The shape and size of large forgings need to be guaranteed through online measurement and feedback during the forging process. At present, domestic forging plants generally use manual contact measurement, which not only has slow speed, low precision, and poor working conditions, but also has limited measurement data, and c...

Claims

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Application Information

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IPC IPC(8): G01B11/24G01B11/02G01J5/00
Inventor 高峰郭为忠赵现朝金振林张青田志松
Owner SHANGHAI JIAO TONG UNIV
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