An oil leakage monitoring and early warning system for ship lock hydraulic hoist

Abstract

A ship lock hydraulic hoist oil leakage monitoring and early warning system includes an oil level detection device and a gate valve state monitoring device, wherein the oil level detection device and the gate valve state monitoring device are electrically connected to the input end of a signal processing device, and the output end of the signal processing device is electrically connected to an alarm device; the gate valve state monitoring device includes a gate closing condition signal acquisition device and a water delivery valve closing condition signal acquisition device. The utility model provides a ship lock hydraulic hoist oil leakage monitoring and early warning system, which can monitor the oil tank level in real time, and when abnormal oil level changes are detected, an early warning alarm is issued to prompt maintenance personnel to analyze and handle the abnormal conditions. A large amount of oil leakage is avoided, and gate and valve failure caused by oil leakage can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of ship lock gates, in particular to an oil leakage monitoring and early warning system for a ship lock hydraulic hoist. Background Art

[0002] The hydraulic system of the ship lock is the core of the entire ship lock operation. Especially when the oil tank level is too low, it will cause the ship lock to malfunction, which will have a great impact on the efficiency of the ship lock operation. Since the leakage points of the ship lock hydraulic pipeline are relatively hidden, the staffing is insufficient, and the inspection volume is large, this brings a lot of workload to the ship lock maintenance personnel. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide an oil leakage monitoring and early warning system for a ship lock hydraulic hoist, which can monitor the oil level of a hydraulic oil tank in real time, and intelligently warn of leakage and send out an alarm.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a ship lock hydraulic hoist oil leakage monitoring and early warning system, including an oil level detection device and a gate valve status monitoring device, the oil level detection device and the gate valve status monitoring device are electrically connected to the input end of the signal processing device, and the output end of the signal processing device is electrically connected to the alarm device; the gate valve status monitoring device includes a gate closing status signal acquisition device and a water supply valve closing status signal acquisition device.

[0005] Preferably, the oil level detection device comprises a non-contact oil level detection chip, the non-contact oil level detection chip is electrically connected to the input end of the signal processing device, and the non-contact oil level detection chip is attached to the outer wall of the hydraulic oil tank.

[0006] Preferably, the gate closing condition signal acquisition device includes a first limit switch, which is arranged on the gate wall and is used to monitor the opening and closing state of the gate, and the first limit switch is electrically connected to the input end of the signal processing device. When the gate is in the closed state, the limit switch is triggered to send the gate closing condition signal.

[0007] Preferably, the water delivery valve closing condition signal acquisition device includes a second limit switch, the second limit switch is electrically connected to the input end of the signal processing device, the second limit switch is arranged at the upper part of the oil cylinder, and the second limit switch is used to monitor the extension and retraction state of the oil cylinder; the lower end of the oil cylinder is connected to the water delivery valve, and is used to drive the water delivery valve to rotate. When the water delivery valve is in the closed state, the oil cylinder extends, the limit switch is triggered, and the water delivery valve closing condition signal is sent.

[0008] The utility model provides a ship lock hydraulic hoist oil leakage monitoring and early warning system, which can monitor the oil tank level in real time, and when abnormal oil level changes are detected, an early warning alarm is issued to prompt the maintenance personnel to analyze and deal with the abnormal situation, thus avoiding the situation of large-scale oil leakage and preventing the gate and valve from malfunctioning due to oil leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0010] Figure 1 It is a structural block diagram of the utility model;

[0011] Figure 2 This is a schematic diagram of the installation structure of the oil level detection device of the utility model;

[0012] Figure 3 This is a schematic diagram of the installation structure of the closing status signal acquisition device of the utility model;

[0013] Figure 4 It is a schematic diagram of the installation structure of the water delivery valve closing status signal acquisition device of the utility model. DETAILED DESCRIPTION

[0014] like Figure 1 As shown, a ship lock hydraulic hoist oil leakage monitoring and early warning system includes an oil level detection device 1 and a gate valve state monitoring device 2, the oil level detection device 1 and the gate valve state monitoring device 2 are electrically connected to the input end of the signal processing device 3, and the output end of the signal processing device 3 is electrically connected to the alarm device 6; the gate valve state monitoring device 2 includes a gate closing status signal acquisition device and a water delivery valve closing status signal acquisition device.

[0015] Preferably, Figure 2 As shown, the oil level detection device 1 includes a non-contact oil level detection chip 8 , which is electrically connected to the input end of the signal processing device 3 , and the non-contact oil level detection chip 8 is attached to the outer wall of the hydraulic oil tank 7 .

[0016] Preferably, Figure 3 As shown, the gate closing condition signal acquisition device includes a first limit switch 9, which is arranged on the gate wall 11 and is used to monitor the opening and closing state of the gate 10. The first limit switch 9 is electrically connected to the input end of the signal processing device 3. When the gate is in the closed state, the limit switch is triggered to send a gate closing condition signal.

[0017] Preferably, Figure 4As shown, the water delivery valve closing condition signal acquisition device includes a second limit switch 13, the second limit switch 13 is electrically connected to the input end of the signal processing device 3, and the second limit switch 13 is arranged on the upper part of the oil cylinder 12. The second limit switch is used to monitor the extension and contraction state of the oil cylinder 12; the lower end of the oil cylinder 12 is connected to the water delivery valve 14, and is used to drive the water delivery valve 14 to rotate. When the water delivery valve is in the closed state, the oil cylinder extends, the limit switch is triggered, and the water delivery valve closing condition signal is sent.

[0018] The signal processing device 3 shown has an automatic diagnosis module 4 and an oil level database 5 built in. The automatic diagnosis module 4 performs an oil level leakage early warning alarm based on the data in the oil level database 5 .

[0019] After the oil level detection device, water supply valve and gate closing status signal acquisition device send signals, the signal processing device receives and processes the sent signals in real time, compares the oil level data with the oil level database, and when the result reaches the warning value, sends an alarm signal to the alarm device.

[0020] When the alarm device receives an alarm signal, it immediately sounds an alarm and displays a red alarm pattern on the screen, prompting maintenance personnel to analyze and deal with the abnormal situation.

[0021] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A ship lock hydraulic hoist oil leakage monitoring and early warning system, characterized in that: The invention comprises an oil level detection device (1) and a gate valve state monitoring device (2), wherein the oil level detection device (1) and the gate valve state monitoring device (2) are electrically connected to the input end of a signal processing device (3), and the output end of the signal processing device (3) is electrically connected to an alarm device (6); the gate valve state monitoring device (2) comprises a gate closing state signal acquisition device and a water delivery valve closing state signal acquisition device.

2. According to claim 1, a ship lock hydraulic hoist oil leakage monitoring and early warning system is characterized in that: The oil level detection device (1) comprises a non-contact oil level detection chip (8), the non-contact oil level detection chip (8) is electrically connected to an input end of the signal processing device (3), and the non-contact oil level detection chip (8) is attached to the outer wall of the hydraulic oil tank (7).

3. According to claim 1, a ship lock hydraulic hoist oil leakage monitoring and early warning system is characterized in that: The gate closing status signal acquisition device comprises a first limit switch (9), which is arranged on the gate wall (11) and is used to monitor the opening and closing status of the gate (10). The first limit switch (9) is electrically connected to the input end of the signal processing device (3).

4. According to claim 1, a ship lock hydraulic hoist oil leakage monitoring and early warning system is characterized in that: The water delivery valve closing status signal acquisition device comprises a second limit switch (13), the second limit switch (13) being electrically connected to an input end of the signal processing device (3), the second limit switch (13) being arranged at the upper part of the oil cylinder (12), and being used to monitor the extension and retraction state of the oil cylinder (12); the lower end of the oil cylinder (12) being connected to the water delivery valve (14), and being used to drive the water delivery valve (14) to rotate.

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