Rope body length measuring device and measuring method
A technology of length measurement and measuring devices, which is applied to measuring devices, electrical devices, instruments, etc., and can solve problems such as measurement errors
Active Publication Date: 2019-03-08
HUNAN ZOOMLION INTELLIGENT TECH
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[0008] The object of the present invention is to provide a rope body length measuring device and a measuring method, which are used to solve the problem that the existing single potentiometer rope body length measuring device easily leads to measurement errors
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[0037] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and not to limit the present invention.
[0038] figure 2 It is a schematic structural diagram of a rope length measuring device according to an embodiment of the present invention. Such as figure 2 As shown, the rope body measuring device includes: a reel 1 for winding a rope body; a trigger gear 2 fixed at the center of the reel 1; a reduction gear 3 meshing with the trigger gear 2; The second rotary potentiometer 5 fixed to the circular mandrel of the trigger gear 2 is used to measure the first angle showing the rotation angle of the trigger gear 2 And a first rotary potentiometer 4 fixed to the circular mandrel of the reduction gear 3 for measuring a second angle showing the rotation angle of the reduction g...
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The invention relates to the field of engineering machinery, and discloses a rope body length measuring device and measuring method. The rope body length measuring device comprises a wire rotating disc, a triggering gear, a speed reducing gear, a second rotating potentiometer and a first rotating potentiometer, the wire rotating disc is used for winding a rope body, the triggering gear is fixed atthe circle center of the wire rotating disc, the speed reducing gear is meshed with the triggering gear, the second rotating potentiometer is fixed with the circle center shaft of the triggering gear, and is used for measuring a first angle showing the rotation angle of the trigger gear, the second rotary potentiometer is a circulating rotary potentiometer, the first rotating potentiometer whichis fixed with the circle center shaft of the speed reducing gear, and is used for measuring a second angle showing the rotation angle of the speed reducing gear, the length of the rope body is measured by adopting double potentiometers, and measurement errors caused by meshing intermittency due to use abrasion, improper installation and other reasons of the triggering gear and the speed reducing gear can be avoided.
Description
Technical field [0001] The invention relates to the field of engineering machinery, and in particular to a rope length measuring device and a measuring method. Background technique [0002] In recent years, as the requirements for automation in the field of construction machinery have increased, rope length measuring devices (also called length sensors) that can automatically measure the length of the boom and the telescopic distance of the outrigger have also received more and more attention. To a certain extent, its performance affects the performance and image of the whole product. [0003] figure 1 It is a schematic structural diagram of a single potentiometer cord length measuring device in the prior art. Such as figure 1 As shown, the single potentiometer rope body length measuring device includes a spool 1 (a rope body, such as a steel wire, wound on the spool 1), and a center of the spool 1 (with a radius of R) fixed on the spool The trigger gear 2 (with a radius of r1) a...
Claims
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Login to View More IPC IPC(8): G01B7/02
CPCG01B7/02
Inventor 张迁王婷姣陈文陈都龙世文
Owner HUNAN ZOOMLION INTELLIGENT TECH