CN217032844U - Escalator component bolt looseness detection system - Google Patents
Escalator component bolt looseness detection system Download PDFInfo
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- CN217032844U CN217032844U CN202220205062.6U CN202220205062U CN217032844U CN 217032844 U CN217032844 U CN 217032844U CN 202220205062 U CN202220205062 U CN 202220205062U CN 217032844 U CN217032844 U CN 217032844U
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Abstract
The utility model discloses a bolt looseness detection system for an escalator component, which comprises a wire monitoring component and a signal processing component, wherein the wireless monitoring component comprises a first shell, a magnetic suction piece, an acceleration sensor and a signal acquisition board, wherein the magnetic suction piece, the acceleration sensor and the signal acquisition board are arranged on the first shell; the signal processing assembly comprises a second shell, a signal processing board and a man-machine interaction panel, the signal processing board and the man-machine interaction panel are mounted on the second shell, the signal processing board is electrically connected with the man-machine interaction panel, the signal processing board is provided with a second wireless communication unit, and the second wireless communication unit can be in wireless communication connection with the first wireless communication unit. The bolt tightness monitoring device can be used for monitoring the bolt tightness of the part to be detected of the escalator on line, does not need complex wiring, and is convenient to use.
Description
Technical Field
The utility model relates to the technical field of special equipment detection, in particular to a bolt looseness detection system for an escalator component.
Background
Bolts play an important role as connectors and fasteners for a variety of mechanical products and structures. In the electromechanical special equipment (such as an escalator), bolt connection is more visible everywhere. However, during the operation of mechanical parts, the loosening of bolts, especially the loosening of bolts of key parts, is often a significant cause of accidents. Therefore, there is a need to monitor the tightness of the bolts of the escalator components during use.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an escalator component bolt looseness detection system which can monitor the tightness of escalator component bolts.
The embodiment of the utility model provides an escalator component bolt looseness detection system, which is applied to an escalator and comprises a wireless monitoring component and a signal processing component, wherein the wireless monitoring component comprises a first shell, a magnetic suction piece, an acceleration sensor and a signal acquisition board, the magnetic suction piece is arranged on the first shell, the first shell is arranged on a component to be detected of the escalator in a suction manner through the magnetic suction piece, the acceleration sensor is electrically connected with the signal acquisition board, and the signal acquisition board is provided with a first wireless communication unit; the signal processing assembly comprises a second shell, a signal processing board and a human-computer interaction panel, the signal processing board is installed on the second shell, the signal processing board is electrically connected with the human-computer interaction panel, the signal processing board is provided with a second wireless communication unit, and the second wireless communication unit can be in wireless communication connection with the first wireless communication unit.
According to some embodiments of the present invention, the number of the wireless monitoring components is plural, and the first wireless communication units of the plural wireless monitoring components are respectively connected with the second wireless communication units of the signal processing components in a wireless communication manner.
According to some embodiments of the utility model, the first wireless communication unit and the second wireless communication unit each employ a bluetooth communication unit, a GPRS communication unit, or a 2.4G communication unit.
According to some embodiments of the present invention, the signal collecting board is provided with a first processor, an a/D conversion circuit and a first interface, the first processor is electrically connected to the first wireless communication unit, an input end of the a/D conversion circuit is electrically connected to the first interface, an output end of the a/D conversion circuit is electrically connected to the first processor, and the first interface is used for being connected to the acceleration sensor.
According to some embodiments of the utility model, the acceleration sensor employs at least one of a single axis acceleration sensor and a three axis acceleration sensor.
According to some embodiments of the present invention, the signal acquisition board is further provided with a wireless networking key and a first indicator light, the wireless networking key is electrically connected to the input end of the first processor, and the first indicator light is electrically connected to the output end of the first processor.
According to some embodiments of the present invention, the signal acquisition board is further provided with a first debug interface, and the first debug interface is electrically connected to the first processor.
According to some embodiments of the utility model, the wireless monitoring assembly further comprises a mobile power supply module, the signal acquisition board is provided with a power supply interface, and the mobile power supply module is electrically connected to the signal acquisition board through the power supply interface.
According to some embodiments of the present invention, the signal processing board is provided with a second processor, and a memory and a human-computer interaction interface electrically connected to the second processor, the second processor is electrically connected to the second wireless communication unit, and the human-computer interaction interface is electrically connected to the human-computer interaction panel.
According to some embodiments of the present invention, a second debugging interface is further disposed on the signal processing board, and the second debugging interface is electrically connected to the second processor.
The embodiment of the utility model at least has the following beneficial effects:
the wireless monitoring subassembly is inhaled a piece adsorption equipment through magnetism and is being waited to detect on the part at automatic escalator, the simple convenient of mounting means, the wireless monitoring subassembly passes through acceleration sensor and gathers the signal of waiting to detect the part, and send the signal of gathering for the signal processing subassembly through wireless mode, the signal processing subassembly carries out the detection and the demonstration of bolt elasticity according to received signal, can wait to detect the bolt elasticity of part to carry out on-line monitoring to automatic escalator, and need not complicated wiring, high durability and convenient use.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a connecting structure of a motor reduction box base of an escalator in an embodiment of the utility model;
FIG. 2 is a schematic block diagram of an escalator component bolt looseness detection system of an embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a wireless monitoring assembly of the escalator component bolt loosening detection system shown in FIG. 2;
fig. 4 is a schematic circuit diagram of a signal processing assembly of the escalator component bolt loosening detection system shown in fig. 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means one or more, "a plurality" means two or more, and greater than, less than, more than, etc. are understood as excluding the present number, and "greater than", "lower than", "inner", etc. are understood as including the present number. If the description of "first", "second", etc. is used for the purpose of distinguishing technical features, it is not intended to indicate or imply relative importance or to implicitly indicate the number of indicated technical features or to implicitly indicate the precedence of the indicated technical features.
In the description of the present invention, unless otherwise explicitly limited, terms such as "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1, the embodiment discloses an escalator component bolt looseness detection system, which is applied to an escalator, wherein key components of the escalator can be a truss of the escalator, a motor reduction gearbox, a base of the motor reduction gearbox and the like. Referring to fig. 2, the system for detecting bolt loosening of an escalator component in the present embodiment includes a wireless monitoring component 100 and a signal processing component 200, wherein the wireless monitoring component 100 includes a first housing (not shown), a magnetic attraction component (not shown) mounted on the first housing, an acceleration sensor 110, and a signal acquisition board (not shown), the first housing is attached to a component to be detected of the escalator through the magnetic attraction component, the acceleration sensor 110 is electrically connected to the signal acquisition board, and the signal acquisition board is provided with a first wireless communication unit 120; the signal processing assembly 200 includes a second housing (not shown), and a signal processing board (not shown) and a human-computer interaction panel (not shown) mounted on the second housing, the signal processing board is electrically connected to the human-computer interaction panel, the signal processing board is provided with a second wireless communication unit 220, and the second wireless communication unit 220 can be in wireless communication connection with the first wireless communication unit 120.
For the convenience of understanding, the embodiment takes the connection structure of the base of the reduction box of the motor of the escalator as an example. Referring to fig. 1, in the connecting structure of the motor reduction box base of the escalator shown in fig. 1, a step sprocket 011 is mounted on a fixed structural member 012 by a connecting bolt 013. When the tightness monitoring needs to be carried out on the connecting bolt 013, the wireless monitoring assembly 100 is installed on one side of the connecting bolt 013 through the magnetic attraction piece in an adsorbing mode, as shown in a point in fig. 1, the wireless monitoring assembly 100 carries out signal acquisition through the acceleration sensor 110, the acquired signals are sent to the second wireless communication unit 220 through the first wireless communication unit 120, the signal processing board carries out tightness analysis on the signals received by the second wireless communication unit 220, the analysis structure is displayed through the human-computer interaction panel, it is worth understanding that the human-computer interaction panel can comprise a touch display screen, or the human-computer interaction panel comprises an LCD display and function keys. It should be noted that a plurality of coupling bolts 013 can be installed at the connection between the step sprocket 011 and the fixed structure 012, and a plurality of coupling bolts 013 located at the same monitoring position can be monitored by one wireless monitoring assembly 100. The bolt tightness detection method comprises the steps of determining an acceleration peak value and an acceleration peak value according to an acceleration signal acquired by the acceleration sensor 110, and determining the bolt tightness by combining an energy duty time domain characteristic and a time-frequency domain characteristic of the acceleration peak value and an energy duty time domain characteristic and a time-frequency domain characteristic of the acceleration peak value.
In some application examples, the number of the wireless monitoring assemblies 100 is plural, and the first wireless communication units 120 of the plural wireless monitoring assemblies 100 are respectively connected with the second wireless communication units 220 of the signal processing assembly 200 in a wireless communication manner. For example, in the illustrated connecting structure of the escalator motor reduction box base, a plurality of connecting bolts can be installed at the connecting position between the step chain wheel and the fixed structural member, one wireless monitoring component 100 is correspondingly installed on one side of each connecting bolt, so that the escalator is beneficial to being provided with a plurality of key components, one wireless monitoring component 100 is installed on each key component, and the signal processing component 200 can receive signals of the plurality of wireless monitoring components 100, so that a plurality of positions to be detected of the escalator are monitored on line.
Specifically, the first wireless communication unit 120 and the second wireless communication unit 220 each employ a bluetooth communication unit, a GPRS communication unit, or a 2.4G communication unit. For example, the power consumption and the cost of the bluetooth communication unit are low, and the communication range is about 10 meters, so that the requirement of short-distance communication can be met; compared with a Bluetooth communication unit, the GPRS general Packet Radio Service technical unit has a wider communication range and can realize remote online monitoring. It is worth understanding that the wireless monitoring component 100 can be provided with a bluetooth communication unit, a GPRS communication unit and a 2.4G communication unit at the same time, and can be selected according to application requirements during use, which is beneficial to improving applicability.
Referring to fig. 2 and 3, the signal acquisition board is provided with a first processor 130, an a/D conversion circuit 140 and a first interface 150, the first processor 130 is electrically connected to the first wireless communication unit 120, an input end of the a/D conversion circuit 140 is electrically connected to the first interface 150, an output end of the a/D conversion circuit 140 is electrically connected to the first processor 130, and the first interface 150 is used for being connected to the acceleration sensor 110. Referring to fig. 3, the chip IC1 shown in fig. 3 is used as the first processor 130, the chip U18 is used as the a/D conversion circuit 140, and the interface J1 is used as the first interface 150. The illustrated circuit further comprises a first voltage stabilizing circuit 161 and a second voltage stabilizing circuit 162, wherein the first voltage stabilizing circuit 161 is used for providing a first stable working voltage for the acceleration sensor 110 and the shuffle U18, and the second voltage stabilizing circuit 162 is used for providing a second stable working voltage for the chip IC 1.
According to practical applications, the acceleration sensor 110 is at least one of the single-axis acceleration sensor 110 and the three-axis acceleration sensor 110, for example, the single-axis acceleration sensor 110 can acquire signals in one axial direction, so that the cost is low, and the method is suitable for application occasions of single acquisition objects; the triaxial acceleration sensor 110 can acquire signals in three axial directions, has high cost, and is suitable for application occasions for a plurality of acquisition objects.
Referring to fig. 2, the signal acquisition board is further provided with a wireless networking key 170 and a first indicator light 180, the wireless networking key 170 is electrically connected to the input end of the first processor 130, and the first indicator light 180 is electrically connected to the output end of the first processor 130. For example, when the wireless networking button 170 is triggered, the first wireless communication unit 120 and the second wireless communication unit 220 are connected for networking, and after the connection is successful, the first indicator light 180 is used for flashing and prompting, which is beneficial to enabling a user to intuitively know the current working state of the wireless monitoring assembly 100.
Referring to fig. 2, the signal acquisition board is further provided with a first debugging interface 190, and the first debugging interface 190 is electrically connected to the first processor 130. The first debugging interface 190 is used for connecting with an external debugging device, such as an electronic computer, an industrial personal computer, or a tablet computer. The debugging device can debug the wireless monitoring assembly 100 through the first debugging interface 190, for example, the debugging of the acquisition precision, the debugging of the acquisition frequency and the like, and can perform adaptive adjustment according to different working conditions, which is favorable for improving the precision of data acquisition.
In some application examples, the wireless monitoring assembly 100 further includes a mobile power module, the signal acquisition board is provided with a power supply interface, and the mobile power module is electrically connected to the signal acquisition board through the power supply interface. Compared with an integrated power supply, the mobile power supply module has replaceability, and when the electric quantity of the mobile power supply module is low, the mobile power supply module can be replaced by a new one, so that the cruising ability of the wireless monitoring assembly 100 is improved.
Referring to fig. 2, the signal processing board is provided with a second processor 230, a memory 240 electrically connected to the second processor 230, and a human-machine interaction interface 250, wherein the second processor 230 is electrically connected to the second wireless communication unit 220, and the human-machine interaction interface 250 is electrically connected to the human-machine interaction panel. The second processor 230 receives the collected signals from the wireless monitoring assembly 100 through the second wireless communication unit 220, the memory 240 is used for storing the collected signals and the signals processed by the second processor 230, and the man-machine interaction panel can display the current collected signals, bolt tightness and the like, so that a user can visually know the bolt tightness of key parts of the escalator. Referring to fig. 4, the chip U1 shown in the figure is used as the second processor 230, and the chip U1 is connected to the interface P1 and electrically connected to the second wireless communication unit 220 through the interface P1.
Referring to fig. 2, the signal processing board is further provided with a second debugging interface 260, and the second debugging interface 260 is electrically connected to the second processor 230. The second debugging interface 260 is used for connecting with an external debugging device, such as an electronic computer, an industrial personal computer, or a tablet computer. The debugging device can debug the signal processing component 200 through the second debugging interface 260, for example, the debugging device can perform adaptive adjustment according to different working conditions, which is beneficial to improving the data processing speed.
Known through the foretell discussion, the wireless monitoring subassembly 100 of this embodiment is through magnetism piece adsorption equipment on automatic escalator's waiting to detect the part, the mounting means is simple convenient, wireless monitoring subassembly 100 passes through acceleration sensor 110 and gathers the signal of waiting to detect the part, and send the signal of gathering for signal processing subassembly 200 through wireless mode, signal processing subassembly 200 carries out the detection and the demonstration of bolt elasticity according to the signal received, can wait to detect the bolt elasticity of part to carry out on-line monitoring to automatic escalator, and need not complicated wiring, high durability and convenient use.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. The utility model provides an automatic staircase part bolt looseness detecting system, is applied to automatic staircase, its characterized in that includes:
the wireless monitoring assembly (100) comprises a first shell, a magnetic suction piece, an acceleration sensor (110) and a signal acquisition board, wherein the magnetic suction piece, the acceleration sensor (110) and the signal acquisition board are arranged on the first shell, the first shell is arranged on a part to be detected of the escalator in a suction manner through the magnetic suction piece, the acceleration sensor (110) is electrically connected with the signal acquisition board, and a first wireless communication unit (120) is arranged on the signal acquisition board;
the signal processing assembly (200) comprises a second shell, a signal processing board and a human-computer interaction panel, wherein the signal processing board and the human-computer interaction panel are arranged on the second shell, the signal processing board is electrically connected with the human-computer interaction panel, the signal processing board is provided with a second wireless communication unit (220), and the second wireless communication unit (220) can be in wireless communication connection with the first wireless communication unit (120).
2. Escalator component bolt loosening detection system according to claim 1, characterized in that the number of wireless monitoring assemblies (100) is multiple, the first wireless communication units (120) of multiple wireless monitoring assemblies (100) being in wireless communication connection with the second wireless communication units (220) of the signal processing assemblies (200), respectively.
3. Escalator component bolt looseness detection system according to claim 1 or 2, wherein said first wireless communication unit (120) and said second wireless communication unit (220) each employ a bluetooth communication unit, a GPRS communication unit or a 2.4G communication unit.
4. Escalator component bolt loosening detection system according to claim 1, characterized in that the signal acquisition board is provided with a first processor (130), an a/D conversion circuit (140) and a first interface (150), the first processor (130) being electrically connected with the first wireless communication unit (120), the input of the a/D conversion circuit (140) being electrically connected with the first interface (150), the output of the a/D conversion circuit (140) being electrically connected with the first processor (130), the first interface (150) being for connection with the acceleration sensor (110).
5. Escalator component bolt looseness detection system according to claim 1 or 4, wherein said acceleration sensor (110) employs at least one of a single axis acceleration sensor (110) and a three axis acceleration sensor (110).
6. The escalator component bolt looseness detection system according to claim 4, wherein a wireless networking button (170) and a first indicator light (180) are further arranged on the signal acquisition board, the wireless networking button (170) is electrically connected with an input end of the first processor (130), and the first indicator light (180) is electrically connected with an output end of the first processor (130).
7. The escalator component bolt looseness detection system according to claim 4 or 6, wherein a first debugging interface (190) is further disposed on the signal acquisition board, and the first debugging interface (190) is electrically connected with the first processor (130).
8. The escalator component bolt looseness detection system according to claim 1, wherein the wireless monitoring assembly (100) further comprises a mobile power supply module, the signal acquisition board is provided with a power supply interface, and the mobile power supply module is electrically connected to the signal acquisition board through the power supply interface.
9. Escalator component bolt looseness detection system according to claim 1, wherein said signal processing board is provided with a second processor (230) and a memory (240) and a human machine interaction interface (250) electrically connected with said second processor (230), said second processor (230) being electrically connected with said second wireless communication unit (220), said human machine interaction interface (250) being for electrical connection with said human machine interaction panel.
10. The escalator component bolt looseness detection system of claim 9, wherein a second debugging interface (260) is further provided on said signal processing board, said second debugging interface (260) being electrically connected to said second processor (230).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220205062.6U CN217032844U (en) | 2022-01-25 | 2022-01-25 | Escalator component bolt looseness detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220205062.6U CN217032844U (en) | 2022-01-25 | 2022-01-25 | Escalator component bolt looseness detection system |
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| Publication Number | Publication Date |
|---|---|
| CN217032844U true CN217032844U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220205062.6U Active CN217032844U (en) | 2022-01-25 | 2022-01-25 | Escalator component bolt looseness detection system |
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| CN (1) | CN217032844U (en) |
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- 2022-01-25 CN CN202220205062.6U patent/CN217032844U/en active Active
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