A self-tensioning rope servo traction measuring device
A measuring device and tensioning technology, which is applied in measuring devices, force/torque/work measuring instruments, instruments, etc., can solve the problems of inability to measure rope tension and spatial displacement, decrease in measurement accuracy, and high cost, and achieve Improve the applicability and economic benefits, improve the effect of measurement accuracy
Active Publication Date: 2022-05-17
UNIV OF SCI & TECH OF CHINA
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Problems solved by technology
This kind of rope traction measurement device can only measure the displacement of the device installation parallel to the direction of the rope, and cannot measure the rope tension and spatial displacement on the rope
There are large layout constraints, a single measurement type, and the measurement accuracy is greatly affected by the ambient temperature and humidity
[0003] The Chinese invention patent number is CN201710254027.7, which discloses a high-precision rope drive device. The invention discloses a high-precision rope drive device using a rope traction parallel robot, which uses a servo motor and a planetary reducer to drive the rope reel and lead screw. , which realizes rope traction with multiple degrees of freedom in space; this device has the disadvantages of complex structure, bulky size and high cost, and it is difficult to measure multiple pose points in a limited space
[0004] Chinese Invention Patent No. CN201210507956.1 discloses a guy wire locator and its measurement method. The invention discloses a guy wire locator and its measurement method applied to water location measurement. Multiple groups of rope rope length measuring devices are combined with pulleys. Detect and measure the pose change of a single measurement point; the structure of the device is complex and bulky, and it needs to rely on multiple sets of measurement devices for angular positioning, which may cause problems such as decreased measurement accuracy and rope interference
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[0065] Such as figure 1 As shown, it includes: a rope guiding mechanism 1000, a tension measuring mechanism 2000, a coiling mechanism 3000, a device housing 4000, a servo tensioning mechanism 5000 and a measuring rope 6000;
[0066] Such as figure 2 As shown, the rope guiding mechanism includes: a rope guiding bracket 1001, a guiding bracket shaft 1002, a guiding pulley 1003, a rotating bracket 1004, and a rotating bracket bearing 1005;
[0067] The tension measuring mechanism includes: a measuring bracket support bearing 2001, a pressure sensor 2002, a measuring bracket 2003, a measuring bracket shaft 2004, and a measuring pulley 2005;
[0068] Such as image 3 As shown, the coiling mechanism includes: a reel 3001, a reel sliding shaft 3002, a sliding bearing 3003, a reel 3004, a reel sliding shaft bracket 3005, a reel cover 3006, and a reel screw base 3007;
[0069] The servo tensioning mechanism includes: motor shaft support bearing 5001, scroll spring 5002, spring cove...
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The invention discloses a self-tensioning rope servo traction measuring device, which comprises: a rope guiding mechanism, a tension measuring mechanism, a coiling mechanism, a device housing, a servo tensioning mechanism and a measuring rope; the self-tensioning rope servo traction The measuring device measures the tension of the rope and the change in length of the rope in real time during the release and recovery of the rope, and at the same time keeps the measuring rope in a tensioned state when the external temperature and humidity change, which improves the measurement accuracy of the position and tension of the measuring device. The applicability and economic benefits of the measuring device are greatly improved.
Description
technical field [0001] The invention relates to a rope traction measuring device, in particular to a self-tensioning rope traction measuring device. Background technique [0002] The rope traction measuring device has the advantages of high measurement accuracy, convenient implementation and high cost performance, and is widely used in engineering construction, safety monitoring of bridge construction and industrial production; the traditional rope traction measuring device uses a scroll spring to drive the rope drum, and uses a rotary encoding The sensor measures the rotation angle of the drum to calculate the change in the length of the rope. This rope traction measuring device can only measure the displacement of the device installation place parallel to the direction of the rope, and cannot measure the rope tension and spatial displacement on the rope. There are large layout constraints, single measurement types, and measurement accuracy is greatly affected by ambient t...
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IPC IPC(8): G01L5/00G01B21/02
CPCG01L5/0033G01B21/02
Inventor 张飞尚伟伟庞顺翔丛爽
Owner UNIV OF SCI & TECH OF CHINA