Determining the position of movable measuring points on the machine
A technology of measuring points and machines, applied in the direction of measuring devices, fluid pressure actuating devices, instruments, etc., can solve problems such as troublesome operation and confusion
Active Publication Date: 2017-10-27
FRIEDRICH WILH SCHWING GMBH
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Problems solved by technology
This single-axis actuation has the disadvantage that one positioning possibility is assigned to each joint of the articulated column and bogie, making operation confusing and cumbersome
Method used
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[0026] figure 1 Shown is the base frame 10 of the machine, the articulated mast 10a hinged to said base frame, said articulated mast comprising four mast segments 11, 12, 13, 14, and Strut ends 15 at the ends of four-strut segments 14 . The mast segments 11, 12, 13, 14 are pivotably coupled to each other in joints 11.1, 12.1, 13.1, 14.1. Arranged on the base frame 10 is a transmitting / receiving unit A, another transmitting / receiving unit B is arranged on the first pole section 11 , and another transmitting / receiving unit C is arranged on the fourth pole section 14 superior. The transmitter / receiver unit C is arranged in the region of the mast end 15 .
[0027]In the mast position shown, transmit / receive units A and B have a distance (b) relative to each other, and transmit / receive units A and C are at a distance (a) from each other, while transmit / receive units B and C are arranged at a distance (c) from each other. All distances (a), (b), (c) are variable when the pole e...
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The invention relates to a machine comprising a base frame (10) and a position detection system (4) for determining the position of at least one measuring point movable in two or three dimensions with respect to the base frame (10), said The measuring point is in particular the mast end (15) of an articulated mast (10a) having a plurality of mast segments (11, 12, 13, 14) articulated to each other, wherein the position detection system (4) comprises at least three Several transmit / receive units (A,B,C,D,E) and evaluation unit (3) connected to transmit / receive units (A,B,C,D,E) and designed to evaluate The measurement signals of the transmitter / receiver units (A, B, C, D, E) are sent and the actual position of the measurement point is derived from the measurement signals. The problem addressed by the invention is to provide a machine which can determine the position of a measuring point moving in two or three dimensions simply and with the highest possible accuracy. The problem is solved in that the sending / receiving units (A,B,C,D,E) are designed to communicate with each other and to generate measurement signals therefrom from which it is possible to derive , the distance between a pair in E), where the evaluation unit (3) is designed to derive the actual position of the measurement point from the measurement signal by triangulation.
Description
technical field [0001] The invention relates to a machine comprising a base frame and a position detection system for determining the position of at least one measuring point movable relative to the base frame in two or three dimensions, in particular with a plurality of columns articulated to each other The position of the pole end of the articulated pole of the segment, wherein the position detection system comprises a plurality, at least three transmitting / receiving units and an evaluating unit connected to the transmitting / receiving units, and the evaluating unit is It is designed to evaluate the measurement signal of the transmitter / receiver unit and to derive the actual position of the measurement point from the measurement signal. Background technique [0002] An example for such a machine is a manipulator of large size, such as a mast of a fixed or movable concrete pump, a crane, a lifting platform or the like. [0003] For concrete pumps, for example, an articulate...
Claims
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IPC IPC(8): B66C13/46E04G21/04F15B15/28B66C23/78
CPCB66C13/46B66C23/78E04G21/0463G01B7/30
Inventor R·菲尔科滕
Owner FRIEDRICH WILH SCHWING GMBH