Measuring method, system and medical equipment for synchronous belt slack
A timing belt and slack technology, which is applied in diagnostic recording/measurement, medical science, machine gear/transmission mechanism testing, etc., can solve problems such as insufficient timeliness, waste of manpower and material resources, etc., to eliminate the influence of control accuracy and improve control accuracy , the effect of saving manpower and material resources
Active Publication Date: 2016-12-28
SIEMENS SHANGHAI MEDICAL EQUIP LTD
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Problems solved by technology
At present, it is mainly carried out manually by maintenance personnel on a regular basis, but this detection method may not be timely enough on the one hand, and wastes manpower and material resources on the other hand
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[0047] For such as figure 1 As shown in the device that needs to be driven by a synchronous belt to reciprocate a reciprocating element (such as the examination bed board 5 ), the driving zero position is usually set on one side of the transmission area. Such as figure 1 When the photoelectric sensor 8 is located at the position of the photoelectric sensor 8 in the table, when the stopper set on the bed support frame 6 covers the photoelectric sensor 8, it means that the examination bed bed 5 is at the driving zero position. When the stopper provided on the bed support frame 6 leaves the photoelectric sensor 8, it means that the examination bed bed 5 is at the non-driving zero position.
[0048] In addition, in order to feedback the running speed of the driving motor and the current driving position of the driving component, an encoder is usually installed on the driving motor. Such as figure 1 As shown in , an encoder 9 is installed on one side of the driving motor 1 for f...
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The invention discloses a method and a system for measuring looseness of a synchronous belt and a medical device. The method comprises the steps that when a reciprocating motion element on the synchronous belt is positioned at a driving zero position, a preset forward-backward counter is reset; when the synchronous belt drives the reciprocating motion element to move far away from the driving zero position under driving of a first rotation direction of a driving motor, the forward-backward counter performs forward counting on pulse signals of a coder arranged on the driving motor; when the synchronous belt is driven by a second rotation direction of the driving motor, the forward-backward counter performs backward counting on the pulse signals of the coder arranged on the driving motor; when the synchronous belt drives the reciprocating motion element to return back to the driving zero position under driving of the second rotation direction of the driving motor, the forward-backward counter stops backward counting and outputs the current counting result capable of indicting the looseness of the synchronous belt. By means of the technical scheme, the looseness of the synchronous belt can be provided automatically in real time, and human and material resources are saved.
Description
technical field [0001] The invention relates to the field of mechanical transmission, in particular to a method, system and medical equipment for measuring the slack of a synchronous belt. Background technique [0002] In some fields such as medical equipment and industrial equipment, a pulley set is usually used as a transmission tool for its internal mechanical power. [0003] For example, figure 1 It shows a schematic structural diagram of a mechanical transmission assembly of an examination table commonly used in medical equipment such as magnetic resonance (MR) equipment or computerized tomography (CT) equipment. Such as figure 1 As shown, the mechanical transmission assembly mainly includes: a driving wheel 2 connected to a driving motor 1 , a fixedly installed driven wheel 3 , and a transmission timing belt 4 matched with the driving wheel 2 and driven wheel 3 . Wherein, the synchronous belt 4 is driven by the drive motor 1 to drive the bed support frame 6 connecte...
Claims
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IPC IPC(8): G01M13/02A61B5/055A61B6/03
Inventor 邬海宏
Owner SIEMENS SHANGHAI MEDICAL EQUIP LTD