CN117423221A - Fixed pulley rope anti-drop alarm device and system - Google Patents
Fixed pulley rope anti-drop alarm device and system Download PDFInfo
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- CN117423221A CN117423221A CN202311512430.7A CN202311512430A CN117423221A CN 117423221 A CN117423221 A CN 117423221A CN 202311512430 A CN202311512430 A CN 202311512430A CN 117423221 A CN117423221 A CN 117423221A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
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Abstract
The invention discloses an anti-drop alarm device for a fixed pulley rope, which comprises a workbench, wherein an anti-drop device is arranged at the upper end of the workbench, a fixed pulley is rotationally connected to the center of the inner surface of the workbench, an alarm device is arranged at the upper surface of the workbench, and a camera is arranged above the workbench.
Description
Technical Field
The invention relates to the technical field of fixed pulleys, in particular to an anti-falling alarm device and system for a fixed pulley rope.
Background
Refers to a non-movable or non-rotatable pulley, typically used to support and guide rope, cable, rope, etc. materials to change direction or to provide mechanical advantage, as opposed to a movable pulley, which may be rotated or moved, which is typically fixed to a bracket or bracket and cannot rotate freely, which functions to change the direction of the force without changing the magnitude of the force.
In the prior art, especially in slings, ropes, rope systems, one often changes or applies the force by means of fixed position fixed pulleys.
However, in the practical use process, when the rope moves outside the fixed pulley, a certain degree of deviation is often generated in the groove inside the fixed pulley due to the fact that the outer surface of the rope is rough, so that the rope can have the risk of falling out of the fixed pulley in high-place operation, normal lifting operation of people is affected, and the weight in the lifting process can have the risk of losing weight and falling down, so that life safety of constructors is endangered.
Disclosure of Invention
The invention mainly aims to provide a fixed pulley rope anti-falling alarm device and a fixed pulley rope anti-falling alarm system, which solve the problems in the background art.
In order to achieve the above purpose, the fixed pulley rope anti-falling alarm device provided by the invention comprises a workbench, wherein an anti-falling device is arranged at the upper end of the workbench, a fixed pulley is rotationally connected to the center of the inner surface of the workbench, an alarm device is arranged at the upper surface of the workbench, and a camera is arranged above the workbench;
the alarm device comprises a limiting block, the inside of the limiting block is rotationally connected with a rotating block, the end part of the rotating block is fixedly connected with a spiral spring, the inner cambered surface of the rotating block is fixedly connected with a positioning block, the front surface of the positioning block is fixedly connected with a limiting poking piece, the inner surface of the limiting block is fixedly connected with a trigger switch, and the back surface of the trigger switch is fixedly connected with a trigger poking piece.
Preferably, the anti-falling device comprises a support, wherein the inner surface of the support is fixedly connected with a connecting shaft, and a compression bar is rotationally connected to the outer surface of the connecting shaft.
Preferably, the front end of workstation has seted up the recess of rectangle, the upper surface of workstation is through bolt fixedly connected with stopper, the stopper is inside to be hollow form, the stopper is provided with two sets of, and uses the central line of workstation to be symmetry axisymmetric distribution between two sets of limit blocks, two sets of the through-hole that runs through has all been seted up to the adjacent face of stopper.
Preferably, the lower extreme of commentaries on classics piece is provided with the arch of rectangle, the surface of scroll spring is provided with cylindrical arch, the protruding department of scroll spring contacts with the stopper inner wall, the surface of trigger plectrum contacts with changeing the piece, the screw hole that multiunit runs through has been seted up to the front surface department of locating piece, the one end that the locating piece was kept away from to the spacing plectrum sets up to the arc.
Preferably, the upper end of support sets up to the arc, the support is provided with two sets of, and uses the central line of workstation between two sets of supports as symmetry axisymmetric distribution, the through-hole that the multiunit runs through has been seted up to the internal surface of support, both ends all fixedly connected with a set of support about the connecting axle, the distance between depression bar and the fixed pulley is less than or equal to one third of rope diameter.
A fixed sheave rope anti-drop alarm system, the fixed sheave rope anti-drop alarm system comprising:
the alarm triggering module is used for receiving the abnormal alarm signal transmitted by the triggering switch and comprises a triggering switch module and a wireless transmission module;
the image shooting and recording module is used for connecting the camera and transmitting and storing the monitored image, and comprises a camera module, an online transmission module and an image storage module;
the image analysis module is used for carrying out discrimination analysis on the position of the rope through an image recognition analysis technology and comprises an image calibration module, an image algorithm module and an anomaly log module;
the abnormal processing module is used for carrying out audible and visual alarm processing on the received abnormal alarm signals, and the abnormal alarm module comprises a buzzing alarm module, a warning lamp alarm module and a circuit scram module;
and the remote control module is used for carrying out real-time feedback monitoring on the rope state at the fixed pulley by an operator and comprises a video display module, an abnormal resetting module and a signal sending module.
Preferably, the trigger switch module is used for controlling the trigger switch, and can enable the trigger switch to form a complete closed loop when the trigger plectrum is pushed by the rotating block, at the moment, the trigger switch will generate an electric signal therewith, and transmit the electric signal to the wireless transmission module, the wireless transmission module is used for receiving the electric signal generated in the trigger switch module, and transmitting the electric signal to the abnormality processing module after filtering to trigger corresponding abnormal alarm, the camera module is used for controlling the working state of the camera, and can monitor the power supply state of the camera and automatically match the system time, the online transmission module is used for maintaining the real-time interconnection state between the camera module and the remote control module, and can feed back the image shot in the camera module to the remote control module in real time, and the image storage module is used for transmitting the image information fed back in the camera module to the local database for video data storage, and supporting the storage time of the self-defined video data so that the video information has the traceability of self-defined duration.
Preferably, the image calibration module is used for estimating internal parameters of the camera including focal length, principal point coordinates and external parameters according to pixel coordinates of the feature points and actual coordinates on the calibration board by using a calibration algorithm, the image algorithm module is used for comparing the rope state with a set safety threshold range in real time and storing video data of an abnormal period in an abnormal log module in a matching manner with system time, and the abnormal log module is used for storing the video data of the abnormal period in a list text form and supporting the remote control module to carry out video retrieval verification on the rope state of the abnormal period in a point selection manner.
Preferably, the buzzer alarm module is used for controlling a buzzer component of the numerical control terminal, and can synchronously drive the buzzer to operate to send alarm sound when the abnormality processing module receives an abnormality alarm signal, the alarm lamp alarm module is used for controlling the operation state of an abnormality alarm lamp in the numerical control terminal, when the rope operation state is normal, the alarm lamp is controlled to send out green light, and when the rope operation state is abnormal, the alarm lamp is controlled to send out red flashing light, and the circuit scram module is used for controlling a driving module for driving the rope to move, and can control relevant circuits required by the rope operation to scram and cut off when the rope operation state is abnormal, and the rope can stop operating.
Preferably, the video display module is used for controlling a display screen of the numerical control terminal, and can enable the display screen to continuously receive rope states of the fixed pulleys shot in the image shooting and recording module and display the rope states in the screen for operators to observe, the abnormal reset module is used for resetting error alarm signals transmitted by the alarm triggering module and the image analysis module at the numerical control terminal, meanwhile, the abnormal reset module can also control the circuit emergency stop module to recover normal power supply operation of the rope driving module, and the signal transmitting module is used for transmitting control information input in the abnormal reset module to the image analysis module, the alarm triggering module and the abnormal processing module in a classified mode, so that the transmission of alarm elimination and circuit recovery signals is correspondingly completed.
Compared with the prior art, the invention has the following beneficial effects:
(1) When the fixed pulley rope anti-drop alarm device is used, the rope on the outer surface of the fixed pulley needs to be driven to move through the external driving device, when the rope moves at a high speed to generate a drop risk, the limiting poking piece is driven to generate a certain degree of vibration, meanwhile, the limiting poking piece drives the positioning block to rotate at the same time, in the rotating process of the positioning block, the rotating block is driven to rotate to a certain degree, at the moment, the rotating block pushes the triggering poking piece to move towards the triggering switch in the rotating process, and the triggering switch can be triggered to generate an alarm, and people are reminded of the drop risk of the rope.
(2) When the rope is at a falling risk, the rope can move outwards along the inner cambered surface of the fixed pulley, and then the rope can contact with the compression bar, and the compression bar can shield the rope by itself so that the rope can not be fully far away from the fixed pulley all the time, so that the rope can not be fully separated from the fixed pulley all the time in the moving process, and the safety risk caused by falling off of the rope from the fixed pulley is reduced.
(3) When the fixed pulley rope anti-drop alarm system operates, the camera is used for simultaneously shooting and recording videos of the contact position of the rope and the fixed pulley, the shot and recorded videos are synchronously transmitted to the numerical control terminal for real-time observation by operators, meanwhile, the image analysis module can also carry out real-time data analysis on the rope state through the internal image algorithm module and can cooperatively alarm the triggering module to send an alarm signal, so that the reliability of abnormal alarm is improved, and the false alarm phenomenon caused by shaking and false touch triggering of a pulling piece in the rope operation process is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the support of the present invention;
FIG. 3 is a schematic view of a structure of a limit lever according to the present invention;
FIG. 4 is a schematic view of the internal structure of the stopper according to the present invention;
FIG. 5 is a block diagram of a fixed pulley rope anti-drop alarm system of the present invention;
FIG. 6 is a flow chart of an alarm triggering module of the present invention;
FIG. 7 is a block diagram of an image capture module according to the present invention;
FIG. 8 is a block diagram of an image analysis module according to the present invention;
FIG. 9 is a flow chart of an exception handling module according to the present invention;
FIG. 10 is a flow chart of a remote control module according to the present invention.
In the figure: 1. a work table; 2. an alarm device; 3. an anti-falling device; 4. a camera; 5. a fixed pulley; 201. a limiting block; 202. a slide block; 203. a limit deflector rod; 204. a spiral spring; 205. a rotating block; 206. triggering a poking piece; 207. triggering a switch; 301. a compression bar; 302. a connecting shaft; 303. and (5) a support.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a fixed pulley rope anti-drop alarm device, includes workstation 1, and the upper end of workstation 1 is provided with anti-drop device 3, and the internal surface center department of workstation 1 rotates and is connected with fixed pulley 5, and this fixed pulley 5 is the assembly pulley in the prior art, in addition, can be according to actual use demand correspondingly install multiunit pulley in fixed pulley 5 department thereby satisfy its work demand, and the upper surface department of workstation 1 is provided with alarm device 2, and the top of workstation 1 is provided with camera 4;
the alarm device 2 comprises a limiting block 201, the inside of the limiting block 201 is rotationally connected with a rotating block 205, the end part of the rotating block 205 is fixedly connected with a scroll spring 204, the inner cambered surface of the rotating block 205 is fixedly connected with a positioning block 202, the front surface of the positioning block 202 is fixedly connected with a limiting pulling sheet 203, the inner surface of the limiting block 201 is fixedly connected with a trigger switch 207, and the back surface of the trigger switch 207 is fixedly connected with a trigger pulling sheet 206.
Specifically, the front end of the workbench 1 is provided with a rectangular groove, so that the fixed pulley 5 can be accommodated and positioned at the front end of the workbench 1, the upper surface of the workbench 1 is fixedly connected with the limiting block 201 through bolts, the inside of the limiting block 201 is hollow, so that the rotating block 205, the scroll spring 204, the trigger plectrum 206 and the trigger switch 207 are positioned in the limiting block 201, two groups of limiting blocks 201 are symmetrically distributed by taking the central line of the workbench 1 as a symmetrical axis, the adjacent surfaces of the two groups of limiting blocks 201 are respectively provided with a through hole, so that the rotating block 205 can be fixedly connected with the sliding block 202 through a fixed shaft, and the two can coaxially rotate, the lower end of the rotating block 205 is provided with a rectangular bulge, so that the rotating block 205 can push the trigger plectrum 206 to the trigger switch 207 to move when rotating, thereby triggering an alarm, the outer surface of the scroll spring 204 is provided with a cylindrical bulge, therefore, when the fixed pulley is rotated, the fixed pulley is elastically deformed due to contact with the limiting block 201, the bulge of the scroll spring 204 is contacted with the inner wall of the limiting block 201, the outer surface of the trigger pulling piece 206 is contacted with the rotating block 205, the trigger pulling piece 206 is synchronously driven to rotate when the rotating block 205 is rotated, the front surface of the sliding block 202 is provided with a rectangular sliding groove, so that people can synchronously adjust the position of the limit pulling rod 203 when adjusting the position of the fixed pulley 5, one end of the limit pulling rod 203 far away from the sliding block 202 is provided with an arc shape, the probability of scratch damage caused by the contact of the limit pulling rod 203 with a rope can be reduced, the outer surface of the limit pulling rod 203 is provided with two groups of rectangular bulges, the limit pulling rod 203 can be fixedly connected with the upper end trigger switch 207 through the bulges, the trigger switch 207 and the trigger pulling piece 206 are provided with two groups, and the two ends of the limit deflector 203, which are respectively positioned in the limit stopper 201 and on the upper surface of the limit deflector 203, thus the limit deflector 203 can make the trigger switch 207 send abnormal signals when moving in the horizontal or vertical direction, the lower surface of the upper trigger switch 207 is fixedly connected with the limit deflector 203, the outer surface of the upper trigger deflector 206 is contacted with the bottom plate 208, one end of the limit deflector 203, which is close to the bottom plate 208, is fixedly connected with a spring, and the limit deflector 203 can be reset by the elastic force of the spring after moving in the direction of the bottom plate 208.
In the embodiment of the invention, the anti-falling device 3 comprises a support 303, wherein the inner surface of the support 303 is fixedly connected with a connecting shaft 302, and the outer surface of the connecting shaft 302 is rotatably connected with a compression bar 301.
Specifically, the upper end of the support 303 is arc-shaped, so that the distances between the plurality of groups of connecting shafts 302 and the fixed pulleys 5 are always equal, the support 303 is provided with two groups, the two groups of supports 303 are symmetrically distributed by taking the central line of the workbench 1 as a symmetrical axis, a plurality of groups of penetrating through holes are formed in the inner surface of the support 303, the connecting shafts 302 can be contained and positioned in the support, a group of supports 303 are fixedly connected to the left end and the right end of the connecting shafts 302, the distance between the pressure rods 301 and the fixed pulleys 5 is less than or equal to one third of the diameter of a rope, and therefore the rope does not cause motion obstruction to the pressure rods 301 when slight deviation occurs, and only causes blocking to the rope when the rope is in a falling risk.
When the rope pulling device is in operation (or in use), the rope on the outer surface of the fixed pulley 5 is required to be driven to move through the external driving device, when the rope moves at a high speed to generate a falling risk, the limiting pulling piece 203 is driven to generate a certain degree of vibration, meanwhile, the limiting pulling piece 203 simultaneously drives the positioning block 202 to rotate, when the positioning block 202 rotates, the rotating block 205 is driven to rotate to a certain degree along with the limiting pulling piece, at the moment, the rotating block 205 pushes the triggering pulling piece 206 to move towards the triggering switch 207 in the rotating process, and the triggering switch 207 can be triggered to generate an alarm, and people are reminded of the falling risk of the rope.
Meanwhile, when the rope is at risk of falling out, the rope can move outwards along the inner cambered surface of the fixed pulley 5, at the moment, the rope can contact the compression bar 301, and the compression bar 301 can shield the rope by itself so that the rope can not be fully far away from the fixed pulley 5 all the time, so that the rope can not be fully separated from the fixed pulley 5 all the time in the moving process, and the safety risk caused by falling out of the fixed pulley 5 by the rope is reduced.
Referring to fig. 5-10, the present invention provides a technical solution: a fixed pulley rope anti-drop alarm system, the fixed pulley rope anti-drop alarm system includes:
the alarm triggering module is used for receiving the abnormal alarm signal transmitted by the triggering switch and comprises a triggering switch module and a wireless transmission module;
the image shooting and recording module is used for connecting the camera and transmitting and storing the monitored image, and comprises a camera module, an online transmission module and an image storage module;
the image analysis module is used for carrying out discrimination analysis on the position of the rope through an image recognition analysis technology and comprises an image calibration module, an image algorithm module and an abnormal log module;
the abnormal processing module is used for carrying out audible and visual alarm processing on the received abnormal alarm signals, and the abnormal alarm module comprises a buzzing alarm module, a warning lamp alarm module and a circuit scram module;
and the remote control module is used for carrying out real-time feedback monitoring on the rope state at the fixed pulley by an operator and comprises a video display module, an abnormal resetting module and a signal sending module.
The trigger switch module is used for controlling the trigger switch, and can enable the trigger switch to form a complete closed loop when the trigger pulling piece is pushed by the rotating block, at the moment, the trigger switch generates an electric signal and transmits the electric signal to the wireless transmission module, and the wireless transmission module is used for receiving the electric signal generated in the trigger switch module, filtering the electric signal and transmitting the electric signal to the abnormality processing module to trigger corresponding abnormality alarm.
The camera module is used for controlling the working state of the camera, monitoring the power supply state of the camera and automatically matching the system time, the online transmission module is used for keeping the real-time interconnection state between the camera module and the remote control module, feeding back the image shot and recorded in the camera module to the remote control module in real time, and the image storage module is used for transmitting the image information fed back in the camera module to the local database for video data storage, and supporting the storage time of the self-defined video data to enable the video information to have the traceability of the self-defined duration.
The image calibration module is used for estimating internal parameters of the camera including focal length, principal point coordinates and external parameters according to pixel coordinates of the feature points and actual coordinates on the calibration board by using a calibration algorithm, the image algorithm module is used for comparing the rope state with a set safety threshold range in real time and storing video data of an abnormal period in an abnormal log module in a matching manner with system time, and the abnormal log module is used for storing the video data of the abnormal period in a list text form and supporting the remote control module to carry out video retrieval verification on the rope state of the abnormal period in a clicking manner.
The buzzer alarm module is used for controlling a buzzer component of the numerical control terminal, and can synchronously drive the buzzer to operate to give out alarm when the abnormality processing module receives an abnormality alarm signal, the alarm lamp alarm module is used for controlling the operation state of an abnormality alarm lamp in the numerical control terminal, when the rope operation state is normal, the alarm lamp is controlled to give out green light, when the rope operation state is abnormal, the alarm lamp is controlled to give out red flashing light, the circuit scram module is used for controlling a driving module for driving the rope to move, and can control relevant circuits required by the rope operation to scram and cut off when the rope operation state is abnormal, and the rope can stop operating.
The video display module is used for controlling a display screen of the numerical control terminal, the display screen can continuously receive rope states of the fixed pulleys shot in the image shooting and recording module and display the rope states in the screen for operators to observe, the abnormal reset module is used for resetting error alarm signals transmitted by the operators in the alarm triggering module and the image analysis module at the numerical control terminal, meanwhile, the abnormal reset module can also control the circuit scram module to recover normal power supply operation of the rope driving module, and the signal transmission module is used for transmitting control information input in the abnormal reset module to the image analysis module, the alarm triggering module and the abnormal processing module in a classified mode, so that alarm elimination and circuit recovery signal transmission are correspondingly completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a fixed pulley rope anti-drop alarm device, includes workstation (1), its characterized in that: the upper end of the workbench (1) is provided with an anti-falling device (3), a fixed pulley (5) is rotatably connected to the center of the inner surface of the workbench (1), an alarm device (2) is arranged on the upper surface of the workbench (1), and a camera (4) is arranged above the workbench (1);
alarm device (2) are including stopper (201), the inside of stopper (201) rotates and is connected with turning block (205), the tip fixedly connected with spiral spring (204) of turning block (205), the intrados department fixedly connected with slider (202) of turning block (205), the preceding fixedly connected with limit deflector rod (203) of slider (202), the internal surface fixedly connected with trigger switch (207) of stopper (201), the back fixedly connected with trigger plectrum (206) of trigger switch (207), the outside fixedly connected with bottom plate (208) of stopper (201).
2. The fixed sheave rope anti-drop alarm device of claim 1, wherein: the anti-falling device (3) comprises a support (303), a connecting shaft (302) is fixedly connected to the inner surface of the support (303), and a pressing rod (301) is rotatably connected to the outer surface of the connecting shaft (302).
3. The fixed sheave rope anti-drop alarm device of claim 1, wherein: rectangular grooves are formed in the front end of the workbench (1), limiting blocks (201) are fixedly connected to the upper surface of the workbench (1) through bolts, the inside of each limiting block (201) is hollow, two groups of limiting blocks (201) are arranged, the two groups of limiting blocks (201) are symmetrically distributed by taking the central line of the workbench (1) as a symmetrical axis, and two groups of adjacent surfaces of each limiting block (201) are provided with through holes.
4. The fixed sheave rope anti-drop alarm device of claim 1, wherein: the lower extreme of commentaries on classics piece (205) is provided with the arch of rectangle, the surface of spiral spring (204) is provided with cylindrical arch, the protruding department of spiral spring (204) is contacted with stopper (201) inner wall, the surface of trigger plectrum (206) is contacted with commentaries on classics piece (205), the spout of rectangle is seted up to the front surface department of slider (202), the one end that slider (202) was kept away from to limit poking rod (203) sets up to the arc, the surface department of limit poking rod (203) is provided with the arch of two sets of rectangles, trigger switch (207) are provided with two sets of with trigger plectrum (206), and are located the inside of stopper (201) and the upper surface of limit poking rod (203) respectively, the upper end the lower surface and the limit poking rod (203) fixed connection of trigger plectrum (206) the surface contact has bottom plate (208), the one end that is close to bottom plate (208) of limit poking rod (203) is fixedly connected with the spring.
5. The fixed sheave rope anti-drop alarm device of claim 2, wherein: the upper end of support (303) sets up to the arc, support (303) are provided with two sets of, and use the central line of workstation (1) between two sets of supports (303) as symmetry axis symmetric distribution, the through-hole that the multiunit runs through has been seted up to the internal surface of support (303), both ends are all fixedly connected with a set of support (303) about connecting axle (302), the distance between depression bar (301) and fixed pulley (5) is less than or equal to one third of rope diameter.
6. The utility model provides a fixed pulley rope anti-drop alarm system which characterized in that: the fixed pulley rope anti-drop alarm system includes:
the alarm triggering module is used for receiving the abnormal alarm signal transmitted by the triggering switch and comprises a triggering switch module and a wireless transmission module;
the image shooting and recording module is used for connecting the camera and transmitting and storing the monitored image, and comprises a camera module, an online transmission module and an image storage module;
the image analysis module is used for carrying out discrimination analysis on the position of the rope through an image recognition analysis technology and comprises an image calibration module, an image algorithm module and an anomaly log module;
the abnormal processing module is used for carrying out audible and visual alarm processing on the received abnormal alarm signals, and the abnormal alarm module comprises a buzzing alarm module, a warning lamp alarm module and a circuit scram module;
and the remote control module is used for carrying out real-time feedback monitoring on the rope state at the fixed pulley by an operator and comprises a video display module, an abnormal resetting module and a signal sending module.
7. The fixed sheave rope anti-drop alarm system of claim 6, wherein: the trigger switch module is used for controlling the trigger switch, and can enable the trigger switch to form a complete closed loop when the trigger plectrum is pushed by the rotating block, at the moment, the trigger switch can generate an electric signal, the electric signal is transmitted to the wireless transmission module, the wireless transmission module is used for receiving the electric signal generated in the trigger switch module, filtering the electric signal and transmitting the electric signal to the abnormality processing module to trigger corresponding abnormal alarm, the camera module is used for controlling the working state of the camera, monitoring the power supply state of the camera module and automatically matching the system time, the online transmission module is used for keeping the real-time interconnection state between the camera module and the remote control module, feeding back the image shot in the camera module to the remote control module in real time, and the image storage module is used for transmitting the image information fed back in the camera module to the local database for video data storage and supporting the storage time of the self-defined video data so that the video information has the traceability of self-defined duration.
8. The fixed sheave rope anti-drop alarm system of claim 6, wherein: the image calibration module is used for estimating internal parameters of the camera including focal length, principal point coordinates and external parameters according to pixel coordinates of the feature points and actual coordinates on the calibration board by using a calibration algorithm, the image algorithm module is used for comparing a rope state with a set safety threshold range in real time and storing video data of an abnormal period in an abnormal log module in a matching manner with system time, and the abnormal log module is used for storing the video data of the abnormal period in a list text form and supporting the remote control module to carry out video retrieval verification on the rope state of the abnormal period in a point selection manner.
9. The fixed sheave rope anti-drop alarm system of claim 6, wherein: the buzzer alarm module is used for controlling a buzzer component of the numerical control terminal, and can synchronously drive the buzzer to operate to send alarm sounds when the abnormality processing module receives an abnormality alarm signal, the alarm lamp alarm module is used for controlling the operation state of an abnormality alarm lamp in the numerical control terminal, when the rope operation state is normal, the alarm lamp is controlled to send out green light, and when the rope operation state is abnormal, the alarm lamp is controlled to send out red flashing light, and the circuit emergency stop module is used for controlling a driving module for driving the rope to move and can control relevant circuits required by the rope operation to be cut off in an emergency when the rope operation state is abnormal, so that the rope can stop operating.
10. The fixed sheave rope anti-drop alarm system of claim 6, wherein: the video display module is used for controlling a display screen of the numerical control terminal, the display screen can continuously receive rope states of the fixed pulleys shot in the image shooting and recording module and display the rope states in the screen for operators to observe, the abnormal reset module is used for resetting error alarm signals transmitted by the alarm triggering module and the image analysis module at the numerical control terminal, meanwhile, the abnormal reset module can also control the circuit emergency stop module to recover normal power supply operation of the rope driving module, and the signal transmitting module is used for transmitting control information input in the abnormal reset module to the image analysis module, the alarm triggering module and the abnormal processing module in a classified mode, so that alarm elimination and transmission of circuit recovery signals are correspondingly completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311512430.7A CN117423221A (en) | 2023-11-13 | 2023-11-13 | Fixed pulley rope anti-drop alarm device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311512430.7A CN117423221A (en) | 2023-11-13 | 2023-11-13 | Fixed pulley rope anti-drop alarm device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117423221A true CN117423221A (en) | 2024-01-19 |
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ID=89524855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311512430.7A Pending CN117423221A (en) | 2023-11-13 | 2023-11-13 | Fixed pulley rope anti-drop alarm device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117423221A (en) |
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2023
- 2023-11-13 CN CN202311512430.7A patent/CN117423221A/en active Pending
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