CN116067415A - A wearable compliance detection device for an attached safety rope based on a piezoelectric sensor - Google Patents

Abstract

The invention relates to an attached safety rope wearing compliance detection device based on a piezoelectric sensor, which is used for being arranged on a safety rope hook and comprises an arc-shaped frame, a pressure sensor, a lora communication module, an antenna, a power supply and a triggering device for triggering the pressure sensor; the lora communication module is used for converting an electric signal generated by the pressure sensor into a circuit logic signal and sending the signal through the antenna; the arc frame outer arc one side is equipped with the centre gripping groove, and the arc frame is close to the position at both ends and still is equipped with the hasp that is used for the cooperation centre gripping groove centre gripping. The detection device can be installed on the existing safety rope hook for use, can monitor whether the wearing of the safety rope of an operator is standard, intervenes in advance, and avoids accidents.

Description

A wearable compliance detection device for an attached safety rope based on a piezoelectric sensor

technical field

The invention relates to the field of high-altitude construction safety protection, in particular to an attachment-type safety rope wearing compliance detection device based on a piezoelectric sensor.

Background technique

The current management of high-altitude operations on the construction site mainly depends on the safety awareness of the workers themselves. Especially in the construction of the hanging basket, it often happens that the workers do not hang the safety rope lock on the fixed position of the hanging basket, which makes the safety rope in case of accidents. It didn't work when it fell. Usually it is because the workers need to change the position during the construction process, and the normal operation needs to be unfastened and then fastened again, but in actual situations, negligence and troublesome failure to close it again are common occurrences, and more than 80% of the casualties of the hanging basket construction personnel It is because the lock of the safety rope is not hooked on the load structure.

In the prior art, for example, the invention patent with the notification number CN202605566U discloses a monitoring device for the use state of the safety rope, including a pressure sensor for detecting whether the safety rope hook is actually locked on the anchor point, and the pressure sensor is covered on the pressure sensor to buffer the pressure. Protective pad for protecting the pressure sensor, acceleration sensor for monitoring whether the safety rope is actually worn, power supply for receiving signals collected by the pressure sensor and acceleration sensor and single-chip microcomputer chip circuit, sound and light alarm for reminding the safety rope that the hook is not locked at the anchor point , A wireless communication chip used to send warning information to security managers.

Most of the existing equipment used to detect whether the safety lock is worn properly is a product integrated with the safety rope lock. For enterprises, it requires a lot of cost to purchase a new safety rope with a hook, which increases the cost And the idleness of the original safety rope and hook.

Contents of the invention

In order to standardize the construction operations of construction personnel and improve the safety of high-altitude operations, the present invention provides an attached safety rope wearing compliance inspection device based on a piezoelectric sensor, which can send out the lock state of the safety rope in real time, which is convenient for people to pre-install Intervene to reduce security risks.

Technical purpose of the present invention is achieved through the following technical solutions:

An attached safety rope wearing compliance detection device based on a piezoelectric sensor, used to be installed on a safety rope hook, including an arc frame, a pressure sensor, a lora communication module, an antenna, a power supply, and a trigger for triggering the pressure sensor device; the lora communication module is used to convert the electrical signal generated by the pressure sensor into a circuit logic signal and send the signal through the antenna; the outer arc side of the arc frame is provided with a clamping groove, and the position near the two ends of the arc frame is also provided for Match the buckle clamped by the clamping groove.

Further, the trigger device includes a wire rope and a trigger assembly, the trigger assembly is arranged close to one end of the arc frame, one end of the wire rope is connected to the trigger assembly, the other end of the wire rope is connected to the other end of the arc frame, and the pressing wire The rope drives the trigger assembly to press the pressure sensor.

Further, the trigger assembly includes a pressing plate and a spring for supporting the pressing plate. The pressing plate is arranged on one side of the pressure sensor, the spring is sleeved outside the pressure sensor, the spring is placed between the pressing plate and the pressure sensor, and one end of the wire is connected to the pressing plate to pull The wire press plate approaches and squeezes the pressure sensor toward the pressure sensor.

Further, the trigger assembly also includes a guide cylinder, the pressure plate and the spring are arranged in the guide cylinder, and the pressure plate moves along the inner wall of the guide cylinder.

Further, the inner side of the hook of the safety rope is snapped into the clamping groove, and the lock buckle cooperates with the clamping groove to fix the arc-shaped frame on the hook of the safety rope.

Further, the end of the arc frame with the trigger component is also provided with a box body, and the pressure sensor, lora communication module, antenna, power supply and trigger component are installed in the box body.

Compared with the prior art, the beneficial effects of the present invention are:

1. The piezoelectric sensor-based attached safety rope wearing compliance detection device of the present invention is a separate product, which can be used directly with the existing safety rope hook, reducing the cost of the enterprise and avoiding idleness caused by product replacement. ;

2. Whether the safety rope hook is used can be detected through the piezoelectric sensor-based attached safety rope wearing compliance detection device of the present invention. If the safety rope hook is in use, the pressure sensor will generate a signal under force, and the antenna will The signal is sent to the receiving end of the management personnel; if the safety rope hook is not used, the management personnel cannot receive the corresponding signal, and the operator can be reminded to wear the safety rope to prevent accidents.

Description of drawings

FIG. 1 is a schematic diagram of the use of the piezoelectric sensor-based attachment-type safety rope wearing compliance detection device of the present invention.

Fig. 2 is a schematic diagram of the inside of the box in the piezoelectric sensor-based attachment-type safety rope wearing compliance detection device of the present invention.

Fig. 3 is a schematic diagram of the triggering principle of the pressure sensor of the present invention.

Fig. 4 is a schematic diagram of the use of the lock in the present invention.

In the figure, 1. Safety rope hook; 2. Arc frame; 3. Box body; 4. Pressure sensor; 5. Lora communication module; 6. Antenna; 7. Power supply; 8. Cord; 9. Clamping groove; 10. Lock; 11. Hook body; 12. Rotary handle; 13. Buckle; 14. Press plate; 15. Spring; 16. Guide cylinder; 17. Lock body.

Detailed ways

The technical solution of the present invention is further described below in conjunction with specific embodiments:

An attached safety rope wearing compliance detection device based on a piezoelectric sensor, as shown in Figures 1-4, is used to be installed on a safety rope hook 1, including an arc frame 2, and a Box body 3, pressure sensor 4, lora communication module 5, antenna 6, power supply 7 and trigger device for triggering pressure sensor 4; trigger device includes wire rope 8, trigger component, pressure sensor 4, lora communication module 5, antenna 6 , power supply 7 and trigger assembly are installed in the box body 3, and the power supply selects button battery, lithium battery etc. for use. One end of the wire rope 8 is connected to the trigger assembly, and the other end of the wire rope 8 is connected to the other end of the arc frame 2. When the safety rope hook is used, the weight of the safety rope hook will cause the wire rope 8 to be stressed, and the wire rope 8 will be stressed. The trigger assembly is driven to press the pressure sensor 4 .

The lora communication module 5 converts the electrical signal generated by the pressure sensor 4 into a circuit logic signal and sends the signal through the antenna 6; the outer arc side of the arc frame 2 is provided with a clamping groove 9, and the position of the arc frame 2 near both ends is also provided with There is a buckle 10 for clamping with the clamping groove 9 . The inner side of the safety rope hook hanging 1 is snapped into the clamping groove 9, and the lock catch 10 cooperates with the clamping groove 9 to fix the arc frame 2 on the safety rope hook 1. The lock buckle is like an existing hasp, including an arc lock Buckle body 17, the hook body 11 installed on the lock body, the rotary handle 12 installed on the arc frame, the clasp 13 installed on the rotary handle, the end of the rotary handle is hinged on the arc frame, and the lock body One end of 17 is hinged with one side of the arc frame 2, and the buckle 13 is fastened to the hook body 11, and the rotary handle 12 is pressed down so that the lock catch and the clamping groove clamp the safety rope hook.

The trigger assembly includes a pressure plate 14, a spring 15 supported by the pressure plate 14, the pressure plate 14 is arranged on one side of the pressure sensor 4, the spring 15 is sleeved outside the pressure sensor 4, the spring 15 is placed between the pressure plate 14 and the pressure sensor 4, and the wire One end of the rope 8 is connected with the pressure plate 14, and when the wire rope 8 is pulled, the pressure plate approaches the pressure sensor 4 and squeezes the pressure sensor 4. When the safety rope hook is not in normal use, the wire rope is not subject to external force, and the pressure plate is separated from the pressure sensor under the action of the spring. Preferably, the trigger assembly further includes a guide cylinder 16 , the pressure plate 14 and the spring 15 are arranged in the guide cylinder 16 , and the pressure plate 14 moves along the inner wall of the guide cylinder 16 .

This embodiment is only a further explanation of the present invention, not a limitation of the present invention. Those skilled in the art can make non-creative modifications to this embodiment as required after reading this description, but as long as they are within the scope of the claims of the present invention are protected by patent law.

Claims (6)

1. An attached safety rope wearing compliance detection device based on a piezoelectric sensor, which is used to be installed on a safety rope hook, is characterized in that it includes an arc frame, a piezoelectric pressure sensor, a lora communication module, and an antenna , a power supply and a trigger device for triggering the pressure sensor; the lora communication module is used to convert the electrical signal generated by the pressure sensor into a circuit logic signal and send the signal through the antenna; the outer arc side of the arc frame is provided with a clip The holding groove is provided, and the position near the two ends of the arc-shaped frame is also provided with locks for matching with the holding groove. 2. A piezoelectric sensor-based attached safety rope wearing compliance detection device according to claim 1, wherein the trigger device includes a wire rope and a trigger assembly, and the trigger assembly is close to the arc frame One end of the wire is set, one end of the wire is connected to the trigger assembly, and the other end of the wire is connected to the other end of the arc frame, and pressing the wire drives the trigger assembly to press the pressure sensor. 3. A piezoelectric sensor-based attached safety rope wearing compliance detection device according to claim 2, wherein the trigger assembly includes a pressing plate and a spring for supporting the pressing plate, and the pressing plate is arranged at On one side of the pressure sensor, the spring is sleeved outside the pressure sensor, the spring is placed between the pressure plate and the pressure sensor, one end of the wire is connected to the pressure plate, and the pressure plate of the traction line approaches the pressure sensor and squeezes the pressure sensor . 4. A piezoelectric sensor-based attached safety rope wearing compliance detection device according to claim 3, wherein the trigger assembly further includes a guide cylinder, and the pressure plate and the spring are arranged in the guide cylinder , the pressing plate moves along the inner wall of the guide cylinder. 5. A piezoelectric sensor-based attached safety rope wear compliance detection device according to claim 1, characterized in that the inner side of the safety rope hook is snapped into the clamping groove, and the lock buckle Cooperate with the clamping groove to fix the arc frame on the safety rope hook. 6. A piezoelectric sensor-based attached safety rope wear compliance detection device according to claim 2, characterized in that, the end of the arc-shaped bridge with the trigger assembly is also provided with a box, and the pressure Sensors, lora communication modules, antennas, power supplies and trigger components are installed in the box.

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