Real-time vibration monitoring system for hoisting mechanism of shipbuilding portal crane

Abstract

The invention discloses a real-time vibration monitoring system for a hoisting mechanism of a shipbuilding portal crane, and relates to the technical field of crane monitoring. The invention discloses a real-time vibration monitoring system for a hoisting mechanism of a shipbuilding portal crane. The real-time vibration monitoring system comprises the following steps: firstly, a monitoring camera, a temperature sensor, a pressure sensor and a vibration sensor are matched with one another; a device used by the real-time vibration monitoring system for the hoisting mechanism of the shipbuilding portal crane comprises a main body frame, a crane big arm is fixedly connected to the side end of the main body frame, an alarm lamp is fixedly connected to the top end of the main body frame, and L-shaped plates are symmetrically and fixedly connected to the positions, close to the center, of the bottom end of the crane big arm; according to the lifting mechanism monitoring device, the motor I is operated, and then under the mutual cooperation of the monitoring assembly, the worm gear I, the worm gear II, the worm I, the worm II and the monitoring head body, the effect of multi-angle adjustment of the monitoring head body is achieved, so that the real-time monitoring work of the lifting mechanism is conveniently completed.

Description

Technical Field

[0001] The invention relates to the technical field of crane monitoring, and in particular to a real-time vibration monitoring system for a hoisting mechanism of a shipbuilding gantry crane. Background Art

[0002] With the rapid development of economic globalization, the domestic shipbuilding industry has also developed rapidly. The number of large-scale and customized ships has continued to increase, and the shipbuilding cycle has become increasingly tight. Large-scale lifting equipment in shipyards is generally operating at full load, cross-operation, or even with "diseases"; Existing equipment managers usually need to use monitoring cameras to monitor the operating status of the crane's hoisting mechanism in real time, and then evaluate and judge the safety status of the equipment. However, since the working environment where the monitoring camera is installed is dusty, the external protective shell of the lens will be contaminated with a lot of dust after the monitoring camera has been used for a period of time, which will affect the clarity of the camera's shooting. In response to the above problems, the inventor proposes a real-time monitoring system for the vibration of the hoisting mechanism of a shipbuilding gantry crane to solve the above problems. Summary of the invention

[0003] In order to solve the problem that the working environment where the monitoring camera is installed is dusty and the external protective shell of the lens will be contaminated with a lot of dust after the monitoring camera has been used for a period of time; the purpose of the present invention is to provide a real-time vibration monitoring system for the hoisting mechanism of a shipbuilding gantry crane.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solution: a real-time monitoring system for vibration of a hoisting mechanism of a shipbuilding gantry crane, comprising the following steps: S1: First, the monitoring camera, temperature sensor, pressure sensor, and vibration sensor work together to complete the real-time monitoring of the temperature, pressure, and vibration key parameters of the crane hoisting mechanism; S2: Then connect the Zigbee communication module through the UART interface to realize the collection and transmission of the operating status information of the crane hoisting mechanism by the embedded gateway; S3: The operating status, key parameters and alarm information of the crane hoisting mechanism are displayed in real time through the display screen or remote monitoring platform, and the operating data of the crane needs to be recorded, analyzed and counted, so as to provide decision-making basis and improvement direction for managers; S4: Through data analysis and algorithm judgment, the abnormal status of the crane's hoisting mechanism is monitored in real time. When overload, overheating, or excessive vibration occurs, an alarm signal is immediately issued, and the operator is reminded through sound and light, so that the operator can take corresponding measures in time.

[0005] A device used in a real-time monitoring system for the vibration of a hoisting mechanism of a shipbuilding gantry crane comprises a main frame, a crane boom is fixedly connected to the side end of the main frame, an alarm light is fixedly connected to the top of the main frame, an L-shaped plate is symmetrically fixedly connected to the bottom end of the crane boom near the center, a water supply component is fixedly connected to the top end of the crane boom and near the center, a cleaning component is fixedly connected between two of the L-shaped plates, and a monitoring component is fixedly connected to the bottom end of the cleaning component.

[0006] Preferably, the water supply component includes a water supply tank, and the bottom end of the water supply tank is fixedly connected to the crane boom, a water inlet is opened at the top of the water supply tank and near the center of one side, an adapter box is symmetrically fixedly connected to the bottom end of the two L-shaped plates and near the monitoring component, two groups of nozzles are symmetrically fixedly connected to one side end of the two adapter boxes near the monitoring component, and the two groups of nozzles are distributed obliquely, a water pipe 2 is fixedly connected to the top of the adapter box and near one side, a water pump is fixedly connected to the top of the crane boom and near the water supply tank, and the other ends of the two water pipes 2 are fixedly connected to the water pump, a water pipe 1 is fixedly connected to the side end of the water supply tank near the bottom, and the other end of the water pipe 1 is fixedly connected to the water pump.

[0007] Preferably, the cleaning component includes a square plate, and both sides of the square plate are fixedly connected to the L-shaped plate, a mounting groove is opened near the center of the top of the crane boom, a rotating shaft five is rotatably connected at the center of the top of the square plate, a motor is fixedly connected inside the mounting groove, the output end of the motor passes through the crane boom and is fixedly connected to the rotating shaft five, and a connecting rod is fixedly connected to the outer circle of the rotating shaft five and near the bottom.

[0008] Preferably, the monitoring component includes a square box, and the top of the square box is fixedly connected to the square plate, a rotating shaft 1 is rotatably connected to the center of the top inside the square box, the outer ring of the rotating shaft 1 is rotatably connected to a sleeve shaft, the outer ring of the sleeve shaft is fixedly connected to a worm gear 1 near the top, and the outer ring of the rotating shaft 1 is fixedly connected to a worm gear 2 near the top.

[0009] Preferably, a square slide groove is fixedly connected at the center of the side end of the connecting rod, a slider is slidably connected between the inner walls of the square slide groove, a spring is fixedly connected at the center of the side end of the slider, and the other end of the spring is fixedly connected to the inner wall of the square slide groove, a square rail groove is opened inside the square plate and near the center, a sliding shaft is slidably connected inside the square rail groove, and the top end of the sliding shaft is fixedly connected to the slider, a cleaning sponge is provided at the bottom end of the sliding shaft, and the cleaning sponge is in contact with the square box.

[0010] Preferably, the side wall of the square box is rotatably connected to a rotating shaft 2 near the top, a worm 1 is fixedly connected to the outer ring of the rotating shaft 2 near the second worm wheel, and the worm 1 is meshed with the second worm wheel, a motor 1 is fixedly connected to the other side wall of the square box near the top, and the output end of the motor 1 is fixedly connected to the second rotating shaft, a rotating shaft 3 is rotatably connected to the side wall of the square box near the worm wheel, a worm 2 is fixedly connected to the outer ring of the rotating shaft 3 near the worm wheel, and the worm 2 is meshed with the first worm wheel, a motor 2 is fixedly connected to the other side wall of the square box near the motor, and the output end of the motor 2 is fixedly connected to the third rotating shaft.

[0011] Preferably, a support plate is fixedly connected between the inner walls of the square box and near the center, a circular rotating box is rotatably connected at the center inside the support plate, and the top of the circular rotating box is fixedly connected to the sleeve shaft, a rotating shaft four is rotatably connected between the inner walls of the circular rotating box, a bevel gear two is fixedly connected to the outer ring of the rotating shaft four and near the center, the bottom end of the rotating shaft one passes through the circular rotating box and is fixedly connected to bevel gear one, and bevel gear one is meshed with bevel gear two, a base frame is fixedly connected at the center of the outer ring of the rotating shaft four, a monitoring head body is fixedly connected to the bottom end of the base frame, and the square box is made of transparent material.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by running the motor 1, the monitoring assembly and the worm gear 1, the worm gear 2, the worm 1, the worm 2 and the monitoring head body cooperate with each other, so as to achieve the effect of multi-angle adjustment of the monitoring head body, so as to complete the real-time monitoring of the lifting mechanism; 2. In the present invention, a proper amount of cleaning agent is added to the water supply tank, and then the cleaning component and the water pump, as well as the water pipe 1, the water pipe 2, the adapter box, the nozzle, and the cleaning sponge cooperate with each other to achieve the effect of cleaning the outside of the square box, thereby solving the problem that the working environment where the monitoring camera is installed is dusty, and the external protective shell of the lens will be contaminated with a lot of dust after the monitoring camera has been used for a period of time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the module structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the overall structure of the device of the present invention.

[0016] Figure 3 It is a schematic diagram of the structure of the water supply tank of the present invention.

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the square box of the present invention.

[0018] Figure 5 For the present invention Figure 3 Enlarged structural diagram at A in the middle.

[0019] Figure 6 For the present invention Figure 4 Enlarged structural diagram at B in the middle.

[0020] In the figure: 1. Main frame; 101. Crane boom; 102. Warning light; 103. L-shaped plate; 2. Water supply assembly; 201. Water supply tank; 202. Water pump; 203. Water pipe 1; 204. Water pipe 2; 205. Adapter box; 206. Spray head; 3. Cleaning assembly; 301. Square plate; 302. Rotating shaft 5; 303. Motor; 304. Square slide; 305. Sliding block; 306. Spring; 307. Square rail groove; 308. Sliding shaft; 309. Cleaning sponge; 31 0. Mounting slot; 311. Connecting rod; 4. Monitoring assembly; 401. Square box; 402. Rotating shaft one; 403. Sleeve shaft; 404. Worm gear one; 405. Worm gear two; 406. Rotating shaft two; 407. Worm one; 408. Motor one; 409. Rotating shaft three; 410. Worm two; 411. Motor two; 412. Support plate; 413. Round rotating box; 414. Bevel gear one; 415. Rotating shaft four; 416. Bevel gear two; 417. Base frame; 418. Monitoring head body. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example: Figure 1-6 As shown, the present invention provides a technical solution: a real-time vibration monitoring system for a shipbuilding gantry crane hoisting mechanism, comprising the following steps: S1: First, the monitoring camera, temperature sensor, pressure sensor, and vibration sensor work together to complete the real-time monitoring of the temperature, pressure, and vibration key parameters of the crane hoisting mechanism; S2: Then connect the Zigbee communication module through the UART interface to realize the collection and transmission of the operating status information of the crane hoisting mechanism by the embedded gateway; S3: The operating status, key parameters and alarm information of the crane hoisting mechanism are displayed in real time through the display screen or remote monitoring platform, and the operating data of the crane needs to be recorded, analyzed and counted, so as to provide decision-making basis and improvement direction for managers; S4: Through data analysis and algorithm judgment, the abnormal status of the crane's hoisting mechanism is monitored in real time. When overload, overheating, or excessive vibration occurs, an alarm signal is immediately issued, and the operator is reminded through sound and light, so that the operator can take corresponding measures in time.

[0023] A device used in a real-time monitoring system for the vibration of a hoisting mechanism of a shipbuilding gantry crane comprises a main frame 1, a crane boom 101 is fixedly connected to the side end of the main frame 1, an alarm light 102 is fixedly connected to the top of the main frame 1, an L-shaped plate 103 is symmetrically fixedly connected to the bottom end of the crane boom 101 near the center, a water supply component 2 is fixedly connected to the top of the crane boom 101 and near the center, a cleaning component 3 is fixedly connected between the two L-shaped plates 103, and a monitoring component 4 is fixedly connected to the bottom end of the cleaning component 3.

[0024] The water supply component 2 includes a water supply tank 201, and the bottom end of the water supply tank 201 is fixedly connected to the crane boom 101, a water inlet is opened at the top of the water supply tank 201 and near the center of one side, an adapter box 205 is symmetrically fixedly connected at the bottom of the two L-shaped plates 103 and near the monitoring component 4, two groups of nozzles 206 are symmetrically fixedly connected at one side of the two adapter boxes 205 near the monitoring component 4, and the two groups of nozzles 206 are obliquely distributed, a water pipe 204 is fixedly connected at the top of the adapter box 205 and near one side, a water pump 202 is fixedly connected at the top of the crane boom 101 and near the water supply tank 201, and the other ends of the two water pipes 204 are fixedly connected to the water pump 202, a water pipe 1 203 is fixedly connected to the side end of the water supply tank 201 near the bottom, and the other end of the water pipe 1 203 is fixedly connected to the water pump 202.

[0025] By adopting the above technical solution, a water inlet is opened at the top of the water supply tank 201 to facilitate the addition of cleaning liquid into the water supply tank 201, and the nozzle 206 is installed at an angle to spray the cleaning liquid to the outside of the square box 401 to a greater extent.

[0026] The cleaning component 3 includes a square plate 301, and both sides of the square plate 301 are fixedly connected to the L-shaped plate 103. A mounting groove 310 is provided near the center of the top of the crane boom 101. A rotating shaft 302 is rotatably connected to the center of the top of the square plate 301. A motor 303 is fixedly connected inside the mounting groove 310. The output end of the motor 303 passes through the crane boom 101 and is fixedly connected to the rotating shaft 302. A connecting rod 311 is fixedly connected to the outer ring of the rotating shaft 302 and near the bottom.

[0027] By adopting the above technical solution, the motor 303 is operated so that the fixedly connected rotating shaft 5 302 drives the connecting rod 311 to rotate. The installation groove 310 is provided at the top of the crane boom 101 so that the motor 303 can work normally.

[0028] The monitoring component 4 includes a square box 401, and the top of the square box 401 is fixedly connected to the square plate 301, a rotating shaft 402 is rotatably connected to the center of the top inside the square box 401, the outer ring of the rotating shaft 402 is rotatably connected to a sleeve shaft 403, the outer ring of the sleeve shaft 403 and near the top is fixedly connected to a worm gear 1 404, and the outer ring of the rotating shaft 402 and near the top is fixedly connected to a worm gear 2 405.

[0029] By adopting the above technical solution, worm gear 2 405 is arranged on the outer ring of rotating shaft 1 402 to facilitate driving rotating shaft 1 402 and fixedly connected bevel gear 1 414 to rotate, thereby causing meshing bevel gear 2 416 to rotate.

[0030] A square slide groove 304 is fixedly connected at the center of the side end of the connecting rod 311, and a slider 305 is slidably connected between the inner walls of the square slide groove 304. A spring 306 is fixedly connected at the center of the side end of the slider 305, and the other end of the spring 306 is fixedly connected to the inner wall of the square slide groove 304. A square rail groove 307 is opened inside the square plate 301 and near the center. A sliding shaft 308 is slidably connected inside the square rail groove 307, and the top of the sliding shaft 308 is fixedly connected to the slider 305. A cleaning sponge 309 is provided at the bottom of the sliding shaft 308, and the cleaning sponge 309 is in contact with the square box 401.

[0031] By adopting the above technical solution, a slider 305 is set inside the square slide groove 304 and fixedly installed with the spring 306, so that the slide shaft 308 can move inside the square rail groove 307 when the connecting rod 311 rotates. A cleaning sponge 309 is set and contacts with the square box 401, so as to complete the cleaning work of the square box 401.

[0032] A rotating shaft 406 is rotatably connected to the side wall of the square box 401 near the top, a worm 1 407 is fixedly connected to the outer ring of the rotating shaft 406 near the worm gear 2 405, and the worm 1 407 is meshed with the worm gear 2 405. A motor 1 408 is fixedly connected to the other side wall of the square box 401 near the top, and the output end of the motor 1 408 is fixedly connected to the rotating shaft 2 406. A rotating shaft 3 409 is rotatably connected to the side wall of the square box 401 near the worm gear 1 404, a worm 2 410 is fixedly connected to the outer ring of the rotating shaft 3 409 near the worm gear 1 404, and the worm 2 410 is meshed with the worm gear 1 404. A motor 2 411 is fixedly connected to the other side wall of the square box 401 near the motor 1 408, and the output end of the motor 2 411 is fixedly connected to the rotating shaft 3 409.

[0033] By adopting the above technical solution, the motor 1 408 is operated to rotate the fixedly connected shaft 2 406, thereby causing the worm 1 407 to drive the meshingly connected worm wheel 2 405 to rotate. After the shaft 3 409 rotates, the worm wheel 1 404 can be rotated under the action of the worm 2 410.

[0034] A support plate 412 is fixedly connected between the inner walls of the square box 401 and near the center, a circular rotating box 413 is rotatably connected at the center of the support plate 412, and the top of the circular rotating box 413 is fixedly connected to the sleeve shaft 403, a rotating shaft 415 is rotatably connected between the inner walls of the circular rotating box 413, a bevel gear 2 416 is fixedly connected to the outer ring of the rotating shaft 415 and near the center, the bottom end of the rotating shaft 1 402 passes through the circular rotating box 413 and is fixedly connected to a bevel gear 1 414, and the bevel gear 1 414 is meshed with the bevel gear 2 416, a base frame 417 is fixedly connected to the center of the outer ring of the rotating shaft 415, and a monitoring head body 418 is fixedly connected to the bottom end of the base frame 417, and the square box 401 is made of transparent material.

[0035] By adopting the above technical solution, after the rotating shaft 1 402 rotates, the fixedly connected bevel gear 1 414 can drive the meshingly connected bevel gear 2 416 to rotate, and at this time, the rotating shaft 415 will drive the base frame 417 to rotate.

[0036] Working principle: When the present invention is in use, when the monitoring head body 418 needs to be adjusted due to real-time monitoring of the lifting mechanism, the motor 1 408 is operated to rotate the fixedly connected rotating shaft 2 406, thereby causing the worm 1 407 to drive the meshing worm gear 2 405 to rotate. At this time, the rotating shaft 1 402 fixedly connected to its worm gear 2 405 will rotate, thereby causing the fixedly connected bevel gear 1 414 to drive the meshing bevel gear 2 416 to rotate, thereby causing the fixedly connected rotating shaft 415 to drive the base frame 417 to rotate, thereby achieving the effect of lateral adjustment of the monitoring head body 418. By operating the motor 2 411, the fixedly connected rotating shaft 3 409 drives the worm 2 410 to rotate, and then the meshing worm gear 1 404 drives the sleeve shaft 403 to rotate, and then the fixedly connected circular rotating box 413 drives the monitoring head body 418 to adjust the longitudinal angle under the action of the support plate 412, thereby achieving the effect of multi-angle adjustment of the monitoring head body 418. When it is necessary to clean the external square box 401, first add an appropriate amount of cleaning agent into the water supply tank 201, and then operate the water pump 202, so that the cleaning agent inside the water supply tank 201 can be passed to the inside of the adapter box 205 through the two water pipes 204 under the action of the water pipe 1 203, and then under the action of the two groups of nozzles 206, the effect of spraying the cleaning agent to the outside of the square box 401 is achieved, and then the motor 303 is operated, so that the fixedly connected rotating shaft 5 302 drives the connecting rod 311 to rotate, and at this time the sliding shaft 308 located inside the square rail groove 307 will move under the action of the slider 305, the spring 306 and the square slide groove 304, so that the cleaning sponge 309 in contact with the square box 401 moves in a circle around the outside of the square box 401, and then under the cooperation of the cleaning agent, the effect of cleaning the outside of the square box 401 is achieved, thereby solving the problem that the working environment where the monitoring camera is installed is dusty, and the external protective shell of the lens of the monitoring camera will be contaminated with a lot of dust after being used for a period of time.

[0037] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A real-time monitoring system for vibration of a shipbuilding gantry crane hoisting mechanism, characterized in that: The following steps are involved: S1: First, the monitoring camera, temperature sensor, pressure sensor, and vibration sensor work together to complete the real-time monitoring of the temperature, pressure, and vibration key parameters of the crane hoisting mechanism; S2: Then connect the Zigbee communication module through the UART interface to realize the collection and transmission of the operating status information of the crane hoisting mechanism by the embedded gateway; S3: The operating status, key parameters and alarm information of the crane hoisting mechanism are displayed in real time through the display screen or remote monitoring platform, and the operating data of the crane needs to be recorded, analyzed and counted, so as to provide decision-making basis and improvement direction for managers; S4: Through data analysis and algorithm judgment, the abnormal status of the crane's hoisting mechanism is monitored in real time. When overload, overheating, or excessive vibration occurs, an alarm signal is immediately issued, and the operator is reminded through sound and light, so that the operator can take corresponding measures in time.

2. A device used in a real-time vibration monitoring system for a shipbuilding gantry crane hoisting mechanism as claimed in claim 1, comprising a main frame (1), characterized in that: A crane boom (101) is fixedly connected to the side end of the main frame (1), an alarm light (102) is fixedly connected to the top end of the main frame (1), an L-shaped plate (103) is symmetrically fixedly connected to the bottom end of the crane boom (101) near the center, a water supply component (2) is fixedly connected to the top end of the crane boom (101) near the center, a cleaning component (3) is fixedly connected between the two L-shaped plates (103), and a monitoring component (4) is fixedly connected to the bottom end of the cleaning component (3).

3. The device used in the real-time vibration monitoring system for the hoisting mechanism of a shipbuilding gantry crane according to claim 2, characterized in that: The water supply assembly (2) comprises a water supply box (201), and the bottom end of the water supply box (201) is fixedly connected to the crane boom (101), a water inlet is provided at the top of the water supply box (201) and near the center of one side, a transfer box (205) is symmetrically fixedly connected to the bottom ends of the two L-shaped plates (103) and near the monitoring assembly (4), and two groups of nozzles (206) are symmetrically fixedly connected to the ends of the two transfer boxes (205) near the monitoring assembly (4), and the two groups of nozzles ( 206) are distributed obliquely, the top of the adapter box (205) and near one side is fixedly connected to a water pipe 2 (204), the top of the crane boom (101) and near the water supply tank (201) is fixedly connected to a water pump (202), and the other ends of the two water pipes 2 (204) are fixedly connected to the water pump (202), and the side end of the water supply tank (201) is fixedly connected to a water pipe 1 (203) near the bottom, and the other end of the water pipe 1 (203) is fixedly connected to the water pump (202).

4. The device used in the real-time vibration monitoring system for the hoisting mechanism of a shipbuilding gantry crane according to claim 2, characterized in that: The cleaning assembly (3) comprises a square plate (301), and both sides of the square plate (301) are fixedly connected to the L-shaped plate (103); a mounting groove (310) is provided near the center of the top of the crane boom (101); a rotating shaft (302) is rotatably connected to the center of the top of the square plate (301); a motor (303) is fixedly connected inside the mounting groove (310); an output end of the motor (303) passes through the crane boom (101) and is fixedly connected to the rotating shaft (302); a connecting rod (311) is fixedly connected to the outer ring of the rotating shaft (302) and near the bottom.

5. The device used in the real-time vibration monitoring system for the hoisting mechanism of a shipbuilding gantry crane according to claim 4, characterized in that: The monitoring component (4) comprises a square box (401), and the top of the square box (401) is fixedly connected to the square plate (301), a rotating shaft (402) is rotatably connected to the center of the top of the square box (401), the outer ring of the rotating shaft (402) is sleeved with a sleeve shaft (403) rotatably connected, the outer ring of the sleeve shaft (403) is fixedly connected to a worm gear (404) near the top, and the outer ring of the rotating shaft (402) is fixedly connected to a worm gear (405).

6. The device used in the real-time vibration monitoring system for the hoisting mechanism of a shipbuilding gantry crane according to claim 5, characterized in that: A square slide groove (304) is fixedly connected at the center of the side end of the connecting rod (311), a slider (305) is slidably connected between the inner walls of the square slide groove (304), a spring (306) is fixedly connected at the center of the side end of the slider (305), and the other end of the spring (306) is fixedly connected to the inner wall of the square slide groove (304), a square rail groove (307) is opened inside and near the center of the square plate (301), a sliding shaft (308) is slidably connected inside the square rail groove (307), and the top end of the sliding shaft (308) is fixedly connected to the slider (305), and a cleaning sponge (309) is provided at the bottom end of the sliding shaft (308), and the cleaning sponge (309) is in contact with the square box (401).

7. The device used in the real-time vibration monitoring system for the hoisting mechanism of a shipbuilding gantry crane according to claim 5, characterized in that: The side wall of the square box (401) is rotatably connected to a second rotating shaft (406) near the top, and the outer ring of the second rotating shaft (406) is fixedly connected to a worm gear (407) near the second worm gear (405), and the worm gear (407) is meshed with the second worm gear (405). The other side wall of the square box (401) is fixedly connected to a motor (408) near the top, and the output end of the motor (408) is fixedly connected to the second rotating shaft (406). The square box ( A rotating shaft three (409) is rotatably connected to the side wall of the square box (401) and near the worm gear one (404); a worm gear two (410) is fixedly connected to the outer ring of the rotating shaft three (409) and near the worm gear one (404); and the worm gear two (410) is meshed with the worm gear one (404); a motor two (411) is fixedly connected to the other side wall of the square box (401) and near the motor one (408); and the output end of the motor two (411) is fixedly connected to the rotating shaft three (409).

8. The device used in the real-time vibration monitoring system for the hoisting mechanism of a shipbuilding gantry crane according to claim 7, characterized in that: A support plate (412) is fixedly connected between the inner walls of the square box (401) and near the center; a circular rotating box (413) is rotatably connected to the center of the support plate (412), and the top of the circular rotating box (413) is fixedly connected to the sleeve shaft (403); a rotating shaft four (415) is rotatably connected between the inner walls of the circular rotating box (413); a bevel gear two (416) is fixedly connected to the outer ring of the rotating shaft four (415) and near the center; the bottom end of the rotating shaft one (402) passes through the circular rotating box (413) and is fixedly connected to the bevel gear one (414), and the bevel gear one (414) is meshed with the bevel gear two (416); a base frame (417) is fixedly connected to the center of the outer ring of the rotating shaft four (415); a monitoring head body (418) is fixedly connected to the bottom end of the base frame (417); and the square box (401) is made of transparent material.

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