Device for detecting insertion state of anti-falling pin of cross beam of tower crane

Abstract

The utility model discloses a tower crane cross beam anti-drop pin insertion state detection device which comprises a waterproof shell, a sensor protection shell is installed on the right side of a waterproof box magnetic attraction installation plate through strong magnetism, a sensor is installed on the inner side of the sensor protection shell, and a PCB fixing plate is installed on the top of the waterproof box magnetic attraction installation plate. A battery is installed on the left side of the top of the PCB fixing plate through a battery fixing plate, a sensor information collection PCB is installed on the right side of the top of the PCB fixing plate, a waterproof box cover is installed on the top of the waterproof shell, and a module power switch and a charging DC interface are installed on the front face of the waterproof shell. According to the signal acquisition device based on the wireless data transmission technology, manual field wiring is not needed, the installation is simple, the wireless module is high in efficiency, and the cost is low. The Bluetooth wireless transmission is used for replacing the RS485 wired transmission, the data transmission is stable, the data transmission is not easy to be damaged, the operability is strong, the cost is low, and a certain wiring construction operation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery safety, in particular to a tower crane crossbeam anti-dropout pin insertion state detection device. Background Art

[0002] Whether the tower crane crossbeam anti-dropout pin is inserted is a very important source of safety risk during tower crane installation and disassembly operations, and is an essential monitoring item in the tower crane installation and disassembly safety monitoring information system. The tower crane crossbeam anti-dropout pin insertion status detection device is an important equipment in the field of engineering machinery safety monitoring. It ensures the normal operation of the tower crane during installation and disassembly, and provides reliable data monitoring guarantees for the field of engineering machinery safety monitoring. In the past, the traditional tower crane installation and disassembly crossbeam anti-dropout pin insertion status monitoring method relied on manual measurement or wiring collection. The wiring harness was cumbersome, the degree of intelligent management was low, the measurement method and operation had many inconveniences, and it was impossible to quickly monitor in real time. The tower crane crossbeam anti-dropout pin insertion status detection device can realize non-contact measurement to reduce complicated work, and improve the detection efficiency of the crossbeam anti-dropout pin insertion status during tower crane installation and disassembly operations. Utility Model Content

[0003] In order to solve the technical problems raised in the above background technology, the utility model provides a device for detecting the insertion state of an anti-dropout pin of a tower crane crossbeam.

[0004] The utility model is implemented by the following technical solutions: a tower crane beam anti-slip pin insertion status detection device, including a waterproof shell, a rubber-coated strong magnet is installed at the bottom of the waterproof shell, an external sensor aviation plug is installed on the left side of the waterproof shell, a waterproof box magnetic mounting plate is installed at the bottom of the inner side of the waterproof shell, a sensor protection shell is installed on the right side of the waterproof box magnetic mounting plate through a strong magnet, a sensor is installed on the inner side of the sensor protection shell, a PCB fixing plate is installed on the top of the waterproof box magnetic mounting plate, a battery is installed on the left side of the top of the PCB fixing plate through a battery fixing plate, a sensor information acquisition PCB is installed on the right side of the top of the PCB fixing plate, a waterproof box cover is installed on the top of the waterproof shell, and a module power switch and a charging DC interface are respectively installed on the front of the waterproof shell.

[0005] As a further improvement of the above solution, three operation indicator lights are provided on the surface of the waterproof housing and below the module power switch.

[0006] As a further improvement of the above solution, two charging indicator lights are installed on the surface of the waterproof housing and below the charging DC interface.

[0007] As a further improvement of the above solution, it also includes an MCU controller, the output end of the MCU controller is connected to the sensor, the MCU controller is connected to the switch button on the module power switch, and the MCU controller is connected to the battery.

[0008] As a further improvement of the above solution, the MCU controller is connected to the data processing platform via Bluetooth.

[0009] As a further improvement of the above solution, the MCU controller obtains data information of the sensor through the serial port and IO.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The signal acquisition device based on wireless data transmission technology does not require manual on-site wiring and is easy to install. The wireless module is highly efficient and low-cost. Using Bluetooth wireless instead of RS485 wired transmission, the data transmission is stable, not easily damaged, highly operable, and low-cost, reducing certain wiring construction operations.

[0012] 2. This utility model adopts the universal ABS waterproof box design, which is lightweight, waterproof, economical and practical. The waterproof box adopts a large round rubber-coated strong magnetic adsorption installation, equipped with a metal spring safety anti-fall rope, which is simple and reliable to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the functional block diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the utility model;

[0016] Figure 4 This is a flowchart of the operation of the utility model;

[0017] Figure 5 This is the detection principle diagram of the utility model.

[0018] Description of main symbols:

[0019] 1. Waterproof housing, 2. Rubber-coated strong magnet, 3. External sensor aviation plug, 4. Waterproof box magnetic mounting plate, 5. Strong magnet, 6. Sensor protective housing, 7. Sensor, 8. PCB fixing plate, 9. Battery fixing plate, 10. Battery, 11. Sensor information acquisition PCB, 12. Waterproof box cover, 13. Module power switch, 14. Charging DC interface. DETAILED DESCRIPTION

[0020] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0021] Please combine Figure 1-4 , a tower crane crossbeam anti-dropout pin insertion status detection device of this embodiment includes a waterproof shell 1, a rubber-coated strong magnet 2 is installed at the bottom of the waterproof shell 1, an external sensor aviation plug 3 is installed on the left side of the waterproof shell 1, a waterproof box magnetic mounting plate 4 is installed at the bottom of the inner side of the waterproof shell 1, a sensor protection shell 6 is installed on the right side of the waterproof box magnetic mounting plate 4 through a strong magnet 5, a sensor 7 is installed on the inner side of the sensor protection shell 6, a PCB fixing plate 8 is installed on the top of the waterproof box magnetic mounting plate 4, a battery 10 is installed on the left side of the top of the PCB fixing plate 8 through a battery fixing plate 9, a sensor information collection PCB 11 is installed on the right side of the top of the PCB fixing plate 8, a waterproof box cover 12 is installed on the top of the waterproof shell 1, a module power switch 13 and a charging DC interface 14 are respectively installed on the front of the waterproof shell 1, three operation indicator lights are provided on the surface of the waterproof shell 1 and below the module power switch 13, and two charging indicator lights are provided on the surface of the waterproof shell 1 and below the charging DC interface 14.

[0022] It also includes an MCU controller, the output end of the MCU controller is connected to the sensor 7, the MCU controller is connected to the switch button on the module power switch 13, the MCU controller is connected to the battery 10, the MCU controller is connected to the data processing platform via Bluetooth, and the MCU controller obtains data information of the sensor 7 through the serial port and IO.

[0023] The battery 10 powers the MCU controller, sensor 7, Bluetooth and indicator light, providing a stable power supply system. The MCU controller obtains the data information of the sensor 7 through the serial port and IO, processes it, and then transmits the collected information through Bluetooth. The device can be turned on and off through the module power switch, and the module battery can be charged through the charging DC interface.

[0024] When the NPN photoelectric switch detects that the anti-dropout pin is in place, it outputs a signal, which is converted by the circuit and finally obtains the signal of the microcontroller. The microcontroller collects and filters the data, calculates the correct data, and reports it via Bluetooth.

[0025] The photoelectric switch is used to detect the insertion status of the anti-dropping pin, and the wireless data transmission technology is used for signal transmission. The utility model includes a photoelectric switch, a data acquisition and processing center, a wireless transmission module, etc. The utility model is also characterized by simple installation and convenient use.

[0026] Please combine Figure 5, two NPN proximity switch data acquisition circuits, this circuit consists of R11, R12, R13, R17, R19, R21, R23, R25, R26 resistors and C14, C12 capacitors and Q2-p_mos tube, Q4-n_mos tube. Its working principle is: when the NPN proximity sensor collects data, it will input a low level to the A_IN port. The A_IN input port usually maintains a high level. When the A_IN input is low, VCC_8.4V will be pulled down to 0V through resistors R17 and R21, and capacitor C14 will perform filtering. Processing, at this time Q2-p_mos tube is turned on, VCC_8.4V passes through resistor R11 and then through Q2 and finally through resistor R25 to form a loop. At this time, R23 is at a high level, and Q4-n_mos tube is turned on at a high level. R26 is used to release the residual voltage when Q4 is turned off. When Q4 is turned on, VCC_33 forms a loop through Q4 through R12. At this time, the level on R19 is pulled down to 0V, and after filtering through resistor R13 and capacitor C12, a reliable level signal is output from A_OUT. The microcontroller can process the signal by collecting it.

[0027] The above embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A tower crane crossbeam anti-drop pin insertion state detection device, characterized in that: The invention comprises a waterproof housing (1), wherein a rubber-coated strong magnet (2) is installed at the bottom of the waterproof housing (1), an external sensor aviation plug (3) is installed on the left side of the waterproof housing (1), a waterproof box magnetic mounting plate (4) is installed at the bottom of the inner side of the waterproof housing (1), a sensor protection shell (6) is installed on the right side of the waterproof box magnetic mounting plate (4) through a strong magnet (5), a sensor (7) is installed on the inner side of the sensor protection shell (6), a PCB fixing plate (8) is installed on the top of the waterproof box magnetic mounting plate (4), a battery (10) is installed on the left side of the top of the PCB fixing plate (8) through a battery fixing plate (9), a sensor information acquisition PCB (11) is installed on the right side of the top of the PCB fixing plate (8), a waterproof box cover (12) is installed on the top of the waterproof housing (1), and a module power switch (13) and a charging DC interface (14) are respectively installed on the front side of the waterproof housing (1).

2. A tower crane crossbeam anti-dropout pin insertion state detection device according to claim 1, characterized in that: Three operating indicator lights are provided on the surface of the waterproof housing (1) and below the module power switch (13).

3. A tower crane crossbeam anti-dropout pin insertion state detection device according to claim 1, characterized in that: Two charging indicator lights are installed on the surface of the waterproof housing (1) and below the charging DC interface (14).

4. A tower crane crossbeam anti-dropout pin insertion state detection device according to claim 1, characterized in that: It also includes an MCU controller, wherein the output end of the MCU controller is connected to the sensor (7), the MCU controller is connected to the switch button on the module power switch (13), and the MCU controller is connected to the battery (10).

5. A tower crane crossbeam anti-dropout pin insertion state detection device according to claim 4, characterized in that: The MCU controller is connected to the data processing platform via Bluetooth.

6. A tower crane crossbeam anti-dropout pin insertion state detection device according to claim 4, characterized in that: The MCU controller obtains data information of the sensor (7) through the serial port and IO.

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