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CN-121994476-A - Belt breakage detection device, detection method and planetary stirring equipment

CN121994476ACN 121994476 ACN121994476 ACN 121994476ACN-121994476-A

Abstract

The invention relates to a belt breakage detection device, a detection method and planetary stirring equipment, and belongs to the technical field of mechanical equipment transmission monitoring. The speed measuring coded disc is arranged at the top of a revolution main shaft of the planetary stirring equipment, induction magnetic discs are respectively arranged at the tops of two rotation main shafts, and meanwhile, a Hall sensor fixed on a frame is used for detecting magnetic disc signals passing along with the revolution of the main shaft, and revolution periods are counted in sections in cooperation with coded disc pulses. The invention solves the problem that the moving part cannot be directly wired when being applied to belt detection of planetary stirring equipment, and realizes belt breakage detection under the working condition of multiple rotating speeds.

Inventors

  • YANG JIUYONG
  • HAN BIN

Assignees

  • 罗斯（无锡）设备有限公司

Dates

Publication Date
20260508
Application Date
20260313

Claims (10)

  1. 1. A belt breakage detection device for planetary stirring equipment, planetary stirring equipment includes revolution gear box (400), and set up first dispersion main shaft (100), second dispersion main shaft (1000) and central main shaft (800) in revolution gear box (400), central main shaft (800) are as the revolution axis, first dispersion main shaft (100) with second dispersion main shaft (1000) are as the rotation axis, all be equipped with on first dispersion main shaft (100) with second dispersion main shaft (1000) and disperse synchronous pulley (300), be equipped with on central main shaft (800) central synchronous pulley (900), central synchronous pulley (900) with dispersion synchronous pulley (300) pass through hold-in range (200) transmission and are connected, its characterized in that, belt breakage detection device includes: A first inductive disk (710) disposed on top of the first dispersive spindle (100); A second inductive disk (730) disposed on top of the second dispersion spindle (1000); The Hall sensor (720) is fixedly arranged on the revolution gearbox (400) and is positioned above the revolution passing position of the first dispersion main shaft (100) or the second dispersion main shaft (1000) and used for generating an induction signal when the first induction magnetic disk (710) or the second induction magnetic disk (730) revolves along with the main shaft where the first induction magnetic disk or the second induction magnetic disk passes through.
  2. 2. The belt breakage detection device as claimed in claim 1, wherein the first inductive disk (710) and the second inductive disk (730) are identical in structure, each comprising: The mounting plate (711) is used for being fixedly connected with the top of the corresponding dispersing main shaft; A strong magnet (712) provided on the mounting plate (711); and a pressing plate (713) which is pressed on the strong magnet (712) and is connected with the mounting plate (711) through a fastener (714) so as to fix the strong magnet (712) on the mounting plate (711).
  3. 3. The belt breakage detection device as claimed in claim 1, further comprising a revolution speed measurement assembly (500), the revolution speed measurement assembly (500) comprising: the speed measuring coded disc (510) is coaxially arranged at the top of the central main shaft (800) and revolves along with the central main shaft (800); the groove-type photoelectric sensor (520) is fixedly arranged and matched with the speed measuring code wheel (510) and is used for generating pulse signals with corresponding numbers according to the number of teeth of the speed measuring code wheel (510) in each revolution period.
  4. 4. The belt breakage detection device as claimed in claim 3, further comprising a revolution fixed point stop assembly (600), the revolution fixed point stop assembly (600) comprising: A fixed point sample stopping block (610) arranged on the central main shaft (800); A fixed point stop proximity switch (620) fixedly arranged and matched with the fixed point stop sample block (610) for generating a fixed point stop signal when the central spindle (800) revolves for every revolution.
  5. 5. The belt breakage detection device according to claim 1, wherein the number of the hall sensors (720) is one and is located at the same radial position of the revolution locus of the first dispersion spindle (100) and the second dispersion spindle (1000) to generate the induction signal when the first induction disk (710) and the second induction disk (730) pass by, respectively.
  6. 6. A detection method using the belt breakage detection apparatus according to any one of claims 1 to 5, characterized by comprising the steps of: Acquiring revolution periodic signals; Dividing one revolution period into a first period, a second period, a third period and a fourth period; Recording a first signal quantity A generated by the first induction magnetic disk (710) detected by the Hall sensor (720) in the first time period; Judging whether the first signal quantity A is larger than a first preset threshold value or not in the second time period, and if not, accumulating a first pre-alarm value; Recording a second number of signals B generated by the hall sensor (720) detecting the second inductive disk (730) during the third period of time; And in the fourth time period, judging whether the second signal quantity B is larger than a second preset threshold value, and if not, accumulating a second pre-alarm value.
  7. 7. The method of detecting as claimed in claim 6, wherein the step of dividing one revolution period into a first period, a second period, a third period and a fourth period, comprises: and dividing the total pulse number into four equal parts according to the total pulse number generated by the revolution speed measuring assembly (500) in one revolution period, and taking the time length corresponding to each equal part as a time period.
  8. 8. The method of detection of claim 6, further comprising: calculating a ratio of the first signal quantity A to the second signal quantity B in the fourth time period; Judging whether the ratio is in a preset ratio range, if not, accumulating a third preset alarm value.
  9. 9. The detection method according to any one of claims 6 to 8, characterized in that the detection method further comprises: counting the sum of the accumulated first pre-alarm value and the accumulated second pre-alarm value in a preset number of continuous revolution periods; and judging whether the sum is larger than a third preset threshold value, and if so, outputting a belt breakage alarm signal.
  10. 10. A planetary stirring apparatus comprising the belt breakage detection device according to any one of claims 1 to 5.

Description

Belt breakage detection device, detection method and planetary stirring equipment Technical Field The invention relates to the technical field of mechanical equipment transmission monitoring, in particular to a belt breakage detection device, a detection method and planetary stirring equipment. Background With the development of mechanical equipment transmission monitoring technology, the technical requirement of monitoring the belt transmission state in real time appears. The belt transmission has the characteristics of simple structure, stable operation, suitability for long-distance transmission and the like, and is widely applied to various mechanical equipment. However, due to the aesthetic appearance of the mechanical structure, the belt is often designed to be in a hidden arrangement, so that an operator cannot directly observe the running state of the belt, and usually when the equipment is abnormal, stopped or cannot work normally, the belt is broken, and the problems of obvious monitoring blind areas and maintenance hysteresis exist. In the related art, as proposed in the patent with publication number CN217675154U a belt state monitoring device based on magnetic switch, through installing magnet on the drive wheel, cooperate magnetic switch to respond to the magnet, utilize the periodic proximity switch of magnet to produce the on-off signal, and then judge whether the belt is in normal operation, and cooperate audible and visual alarm to indicate unusual. However, the above-described scheme has the following problems in practical applications: The judgment logic is single, and the detection can be carried out only based on fixed on-off frequency, so that the device is difficult to adapt to complex working conditions requiring frequent switching of rotating speed or variable speed operation; Meanwhile, the scheme takes the tension roller as a motion sensing point, the tension roller is usually a driven roller, and when the belt is loosened, the tension roller can stop moving, so that the real running state of the belt can not be accurately reflected; in addition, the structure cannot be suitable for stirring equipment with a planetary revolution mechanism, cannot be compatible with the monitoring requirement under a multi-degree-of-freedom motion scene, and limits the application range of the structure. Disclosure of Invention The inventor aims at the defects in the prior art, and provides a belt breakage detection device, a detection method and planetary stirring equipment, so that the problem that the stirring equipment with a planetary revolution structure cannot be directly detected at fixed points is solved, the function is ensured to be effective even under different rotation speed combinations, and the reliability of the detection result is high. The technical scheme adopted by the invention is as follows: The utility model provides a belt break detection device for planetary stirring equipment, planetary stirring equipment includes revolution gear box, and set up first dispersion main shaft, second dispersion main shaft and the center main shaft in the revolution gear box, the center main shaft is as the revolution axis, first dispersion main shaft with the second dispersion main shaft is as the rotation axis, first dispersion main shaft with all be equipped with dispersion synchronous pulley on the second dispersion main shaft, be equipped with central synchronous pulley on the center main shaft, central synchronous pulley with dispersion synchronous pulley passes through the hold-in range transmission and is connected, belt break detection device includes: the first induction magnetic disk is arranged on the top of the first dispersion main shaft; the second induction magnetic disk is arranged at the top of the second dispersion main shaft; The Hall sensor is fixedly arranged on the revolution gear box and is positioned above the revolution passing position of the first dispersion main shaft or the second dispersion main shaft, and is used for generating an induction signal when the first induction magnetic disk or the second induction magnetic disk revolves along with the main shaft where the first induction magnetic disk or the second induction magnetic disk is arranged and passes. As a further improvement of the above technical scheme: In one embodiment, the first inductive disk and the second inductive disk have the same structure, and each includes: The mounting plate is used for being fixedly connected with the top of the corresponding dispersing main shaft; a strong magnet disposed on the mounting plate; and the pressing plate is pressed on the strong magnet and connected with the mounting plate through a fastener so as to fix the strong magnet on the mounting plate. In one embodiment, the apparatus further comprises a revolution speed measurement assembly, the revolution speed measurement assembly comprising: the speed measuring coded disc is coaxially arranged at the top of the