Debugging and fault diagnosis platform for hydraulic hoist

Abstract

The utility model relates to the technical field of on-line maintenance of ship lock hydraulic equipment, and discloses a platform for debugging and fault diagnosis of a hydraulic hoist, which comprises a main body mechanism, the main body mechanism comprises a working table body, and the working table body is used for building the platform, so that a worker can carry out on-site practical operation. A hydraulic oil station structure is fixedly installed in the workbench body, and a hoist oil cylinder structure is fixedly installed at the rear end of the left end of the upper end of the workbench body. According to the debugging and fault diagnosis platform for the hydraulic hoist, a hydraulic valve device for simulating a ship lock is designed, a simple electrical control loop structure is combined, and the door opening and closing functions of a ship lock valve are simulated; through debugging of the hydraulic system and diagnosis of faults, a worker can deeply understand the principles of a hydraulic control system and an electrical loop, so that the practical ability of the worker is trained, and the ability of the worker to deal with complex hydraulic system problems is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of online maintenance of ship lock hydraulic equipment, in particular to a platform for debugging and fault diagnosis of hydraulic hoists. Background Art

[0002] With the rapid development of water conservancy projects, industrial automation and other fields, the valve hydraulic opening and closing machine is a key equipment, and its performance stability and reliability are crucial to ensuring the safe and efficient operation of the entire system.

[0003] Therefore, it is particularly important to improve the skills of relevant practitioners and strengthen the debugging and fault diagnosis capabilities of valve hydraulic opening and closing machines.

[0004] Based on this, we provide a platform for debugging and fault diagnosis of hydraulic gate hoists. Utility Model Content

[0005] The purpose of this utility model is to provide a platform for debugging and fault diagnosis of hydraulic hoists, so as to solve the problem of stability and reliability of the performance of the valve hydraulic hoists raised in the above background technology, which is crucial to ensuring the safe and efficient operation of the entire system.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a platform for debugging and fault diagnosis of a hydraulic gate hoist, comprising a main body, the main body comprising a workbench body, the workbench body being constructed on the platform to enable staff to perform on-site operations;

[0007] A hydraulic oil station structure is fixedly installed inside the workbench body, and a gate cylinder structure is fixedly installed at the rear end of the upper left end of the workbench body. The hydraulic oil station structure is composed of a hydraulic pump, which is equivalent to a power unit and is used to supply oil to the hydraulic circuit. The gate cylinder structure simulates the opening and closing action of the valve. An HDMI smart terminal and display structure are fixedly installed above the workbench body. The HDMI smart terminal and display structure are used for reference personnel to monitor the action status of the valve during operation. An encoder is fixedly installed at the lower end of the gate cylinder structure, and the encoder is used to simulate the valve opening.

[0008] Preferably, a hydraulic system valve group structure is fixedly installed on the upper end of the workbench body, and the hydraulic system valve group structure is used to control the opening and closing actions of the valve. The hydraulic system valve group structure is mainly composed of a relief valve, a reversing solenoid valve, a throttle valve, a one-way valve, etc., and is used to simulate the control of the opening and closing actions of the valve. The opening and closing machine cylinder structure is mainly composed of a piston oil rod, an encoder, a limit switch, etc., and simulates the opening and closing actions of the valve.

[0009] Preferably, an electrical control circuit structure is fixedly installed above the workbench body, and the electrical control circuit structure is located below the HDMI smart terminal and display screen structure. The electrical control circuit structure is used to issue valve opening and closing action instructions. The electrical control circuit structure is mainly composed of contactors, thermal relays, circuit breakers, intermediate relays, 24V DC power supplies, buttons, etc., which are used to control the solenoid valve to facilitate the logical control of valve opening and closing. The HDMI smart terminal and display screen structure use Kunlun Tongti configuration software to draw the screen, which is used to intuitively monitor the valve opening and closing and opening status.

[0010] Preferably, a support frame is fixedly installed at the lower end of the workbench body, and the hydraulic oil station structure is located at the upper end of the support frame.

[0011] Preferably, an assembly frame is fixedly installed on the left end of the upper rear end of the workbench body, the HDMI smart terminal and display screen structure are located at the front end of the assembly frame, and the electrical control circuit structure is located at the front end of the assembly frame.

[0012] Preferably, a self-locking universal wheel is fixedly mounted on the lower end of the workbench body, and the self-locking universal wheels are evenly distributed on the lower end of the workbench body.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] This platform for debugging and fault diagnosis of hydraulic gate engines simulates the opening and closing functions of the gate valve by designing a hydraulic valve device that simulates the ship lock and combines it with a simple electrical control circuit structure. By debugging the hydraulic system and diagnosing faults, the staff can deepen their understanding of the hydraulic control system and electrical circuit principles, thereby training their practical ability and improving their ability to deal with complex hydraulic system problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the hydraulic principle structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the electrical principle structure of this utility model Figure 1 ;

[0019] Figure 5 This is a schematic diagram of the electrical principle structure of this utility model Figure 2 ;

[0020] Figure 6 This is a schematic diagram of the electrical principle structure of this utility model Figure 3 ;

[0021] Figure 7 This is a schematic diagram of the electrical principle structure of this utility model Figure 4 ;

[0022] Figure 8 This is a schematic diagram of the operating process structure of the utility model.

[0023] In the figure: 1. Main body; 101. Workbench body; 102. Hydraulic oil station structure; 103. Hoist cylinder structure; 104. HDMI smart terminal and display structure; 105. Hydraulic system valve group structure; 106. Electrical control circuit structure; 107. Encoder; 108. Support frame; 109. Assembly frame; 110. Self-locking universal wheel. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1 - Figure 8 The utility model provides a technical solution: a platform for debugging and fault diagnosis of a hydraulic gate hoist, comprising a main body 1, the main body 1 comprising a workbench body 101, the workbench body 101 is constructed on the platform to enable staff to perform on-site operations;

[0026] A hydraulic oil station structure 102 is fixedly installed inside the workbench body 101, and a gate cylinder structure 103 is fixedly installed at the rear end of the upper left end of the workbench body 101. The hydraulic oil station structure 102 is composed of a hydraulic pump, which is equivalent to a power unit and is used to supply oil to the hydraulic circuit. The gate cylinder structure 103 simulates the opening and closing action states of the valve. An HDMI smart terminal and display screen structure 104 is fixedly installed above the workbench body 101. The HDMI smart terminal and display screen structure 104 are used for reference personnel to monitor the action state of the valve during operation.

[0027] The workbench software uses the Kunlun Tongti configuration software Mcgspro to build the operation screen, and the AoTuo configuration software NAPro to build the logic control;

[0028] Debugging system operation process:

[0029] like Figure 8The specific contents are as follows:

[0030] 1) The pressure relief system is adjusted to its initial state;

[0031] 2) Setting of rod chamber / rodless chamber safety relief valve;

[0032] 3) System overpressure / underpressure pressure relay setting;

[0033] 4) Setting of rod cavity / rodless cavity pressure relay;

[0034] 5) Adjustment of system speed regulating valve and throttle valve;

[0035] 6) Operate the hoist to test fault alarm;

[0036] 7) Operating time of the gate hoist operation test;

[0037] 8) The hydraulic system operates normally.

[0038] A hydraulic system valve group structure 105 is fixedly installed on the upper end of the workbench body 101. The hydraulic system valve group structure 105 is used to control the opening and closing of the valve. An electrical control circuit structure 106 is fixedly installed above the workbench body 101. The electrical control circuit structure 106 is located below the HDMI smart terminal and display screen structure 104. The electrical control circuit structure 106 is used to issue valve opening and closing action instructions. An encoder 107 is fixedly installed at the lower end of the hoist cylinder structure 103. The encoder 107 is used to simulate the valve opening. A support frame 108 is fixedly installed at the lower end of the workbench body 101, the hydraulic oil station structure 102 is located at the upper end of the support frame 108, and an assembly frame 109 is fixedly installed at the left end of the upper rear end of the workbench body 101. The HDMI smart terminal and display structure 104 is located at the front end of the assembly frame 109, and the electrical control circuit structure 106 is located at the front end of the assembly frame 109. A self-locking universal wheel 110 is fixedly installed at the lower end of the workbench body 101, and self-locking universal wheels 110 are evenly distributed on the lower end of the workbench body 101.

[0039] The workbench system is driven and controlled by the hydraulic oil station structure 102. The hydraulic pump increases the oil pressure to drive the piston in the oil rod to slide up and down. The hoist cylinder structure 103 simulates the opening and closing action of the valve. The pull-wire encoder 107 communicates with the HDMI smart terminal using RS485 communication. The reading is displayed on the HDMI smart terminal and the display structure 104. The encoder 107 simulates the valve opening. The PLC controller communicates with the HDMI smart terminal through the network cable. Specifically, when the actual button SB1 is pressed, the hydraulic pump starts, and then the valve opening button SB3 is pressed or the valve opening button is pressed on the display. At this time, the intermediate relay K2 controls the solenoid valve DT1 for overflow unloading. The intermediate relay Device K4 controls the solenoid valve DT3 for the piston to rise, simulating valve opening, and stops when the piston reaches the open end position SQ1; when the valve closing button SB4 is pressed or the valve closing button is pressed on the display, the intermediate relay K2 controls the solenoid valve DT1 for overflow unloading; the intermediate relay K3 controls the solenoid valve DT2 for the piston to descend, simulating valve closing, and stops when the piston reaches the closed end position SQ2; pressure relays are provided in the rod chamber oil circuit, the rodless chamber oil circuit, and the system oil circuit; when overpressure or underpressure occurs, the PLC reads the relay signal and the system stops running; when the piston changes from opening the valve to closing the valve, you must first press the stop button SB2 or trigger the limit protection switch to shut down before pressing the valve closing start button.

[0040] Working principle: The workbench software is built with the Kunlun configuration software Mcgspro to build the operation screen, and the AoTuo configuration software NAPro to build the logic control;

[0041] Debugging system operation process:

[0042] like Figure 8 The specific contents are as follows:

[0043] 1) The pressure relief system is adjusted to its initial state;

[0044] 2) Setting of rod chamber / rodless chamber safety relief valve;

[0045] 3) System overpressure / underpressure pressure relay setting;

[0046] 4) Setting of rod cavity / rodless cavity pressure relay;

[0047] 5) Adjustment of system speed regulating valve and throttle valve;

[0048] 6) Operate the hoist to test fault alarm;

[0049] 7) Operating time of the gate hoist operation test;

[0050] 8) The hydraulic system operates normally.

[0051] The workbench system is driven and controlled by the hydraulic oil station structure 102. The hydraulic pump increases the oil pressure to drive the piston in the oil rod to slide up and down. The hoist cylinder structure 103 simulates the opening and closing action of the valve. The pull-wire encoder 107 communicates with the HDMI smart terminal using RS485 communication. The reading is displayed on the HDMI smart terminal and the display structure 104. The encoder 107 simulates the valve opening. The PLC controller communicates with the HDMI smart terminal through the network cable. Specifically, when the actual button SB1 is pressed, the hydraulic pump starts, and then the valve opening button SB3 is pressed or the valve opening button is pressed on the display. At this time, the intermediate relay K2 controls the solenoid valve DT1 for overflow unloading. The intermediate relay Device K4 controls the solenoid valve DT3 for the piston to rise, simulating valve opening, and stops when the piston reaches the open end position SQ1; when the valve closing button SB4 is pressed or the valve closing button is pressed on the display, the intermediate relay K2 controls the solenoid valve DT1 for overflow unloading; the intermediate relay K3 controls the solenoid valve DT2 for the piston to descend, simulating valve closing, and stops when the piston reaches the closed end position SQ2; pressure relays are provided in the rod chamber oil circuit, the rodless chamber oil circuit, and the system oil circuit; when overpressure or underpressure occurs, the PLC reads the relay signal and the system stops running; when the piston changes from opening the valve to closing the valve, you must first press the stop button SB2 or trigger the limit protection switch to shut down before pressing the valve closing start button.

[0052] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Simple modifications or equivalent replacements of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A platform for debugging and fault diagnosis of a hydraulic gate hoist, comprising a main body (1), characterized in that: The main body (1) comprises a workbench body (101), and the workbench body (101) is used to build a platform to enable staff to perform on-site operations; A hydraulic oil station structure (102) is fixedly installed inside the workbench body (101), and a gate cylinder structure (103) is fixedly installed at the rear end of the upper left end of the workbench body (101). The hydraulic oil station structure (102) is composed of a hydraulic pump, which is equivalent to a power device and is used to supply oil to the hydraulic circuit. The gate cylinder structure (103) simulates the opening and closing action states of the valve. An HDMI smart terminal and display screen structure (104) is fixedly installed above the workbench body (101). The HDMI smart terminal and display screen structure (104) are used for reference personnel to monitor the action state of the valve during operation. An encoder (107) is fixedly installed at the lower end of the gate cylinder structure (103), and the encoder (107) is used to simulate the valve opening.

2. The platform for debugging and fault diagnosis of hydraulic hoist according to claim 1, characterized in that: A hydraulic system valve group structure (105) is fixedly mounted on the upper end of the workbench body (101), and the hydraulic system valve group structure (105) is used to control the opening and closing actions of the valve.

3. The platform for debugging and fault diagnosis of hydraulic hoist according to claim 2, characterized in that: An electrical control circuit structure (106) is fixedly installed above the workbench body (101), and the electrical control circuit structure (106) is located below the HDMI intelligent terminal and display screen structure (104). The electrical control circuit structure (106) is used to issue valve opening and closing action instructions.

4. The platform for debugging and fault diagnosis of hydraulic hoist according to claim 3 is characterized in that: A support frame (108) is fixedly installed at the lower end of the workbench body (101), and the hydraulic oil station structure (102) is located at the upper end of the support frame (108).

5. The platform for debugging and fault diagnosis of hydraulic hoist according to claim 4, characterized in that: An assembly frame (109) is fixedly mounted on the left end of the upper rear end of the workbench body (101), the HDMI intelligent terminal and display screen structure (104) is located at the front end of the assembly frame (109), and the electrical control circuit structure (106) is located at the front end of the assembly frame (109).

6. The platform for debugging and fault diagnosis of hydraulic hoist according to claim 5, characterized in that: A self-locking universal wheel (110) is fixedly mounted on the lower end of the workbench body (101), and the self-locking universal wheels (110) are evenly distributed on the lower end of the workbench body (101).

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