Cleaning tool for stator and rotor of generator set of hydroelectric power station and using method of cleaning tool

Abstract

The invention relates to a special tool for cleaning a stator and a rotor of a generator set of a hydroelectric power station, and aims to provide a cleaning solution which is efficient, safe and easy to operate. The cleaning tool mainly comprises a movable base, wherein universal moving wheels are arranged at the bottom of the movable base; a rotating seat is mounted on the top surface of the movable base, an adjustable structure consisting of a plurality of sections of support arms is arranged on the rotating seat, the support arms are connected through connecting pin shafts, and a cleaning mechanism is arranged at the end part of the support arm at the uppermost end and comprises a cleaning brush cylinder and a flushing pipe. A cavity is formed in the movable base and comprises a first motor, a driving gear, a driven gear ring, a storage battery and a control module. The first motor drives the rotating seat to rotate so as to adjust the angle of the cleaning mechanism. According to the cleaning tool, the cleaning efficiency and quality are improved, the operation safety and convenience are enhanced, and the cleaning tool is suitable for cleaning tasks of stators and rotors of hydroelectric power station generator sets of various models.

Description

Technical Field

[0001] The invention relates to the technical field of chemical production, in particular to a cleaning tool for the stator and rotor of a generator set of a hydroelectric power station and a use method thereof. Background Art

[0002] With the development of hydropower energy, the maintenance and upkeep of hydropower stations has become increasingly important. Among them, the cleaning of the stator and rotor of the generator set is one of the key links to ensure the efficient operation of the equipment. Traditional manual cleaning methods are not only inefficient, but also pose safety hazards, especially when operating in narrow or difficult-to-reach spaces. In addition, manual cleaning often makes it difficult to ensure the consistency and thoroughness of the cleaning quality.

[0003] In order to overcome the above problems, some mechanical equipment specially designed for cleaning the stators and rotors of hydroelectric power station generator sets has appeared on the market. However, the existing cleaning equipment still has room for improvement in terms of flexibility, automation and cleaning effect. For example, some equipment may not have sufficient mobility and cannot adapt to stators and rotors of different shapes and sizes; some other equipment may not have an integrated effective control mechanism, resulting in complex operation and difficulty in accurately controlling the cleaning process; some equipment lacks the necessary monitoring means and cannot evaluate the cleaning effect in real time, thus affecting the final cleaning quality. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a cleaning tool for the stator and rotor of a hydroelectric power station generator set and a method for using the same, aiming to provide a more flexible, highly automated and effective cleaning solution for the stator and rotor of a hydroelectric power station generator set.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a cleaning tool for the stator and rotor of a generator set of a hydroelectric power station, comprising a mobile base, a universal mobile wheel is arranged at the bottom of the mobile base, a rotating seat is arranged on the top surface of the mobile base, a multi-section support arm is arranged on the rotating seat, the support arms are connected by connecting pins, and a cleaning mechanism is arranged at the end of the uppermost support arm; A flushing pipe is also provided on the support arm at the uppermost end, the water inlet end of the flushing pipe is connected to a water supply hose, and the water supply hose extends to be connected to a water tank arranged on the top surface of the mobile base.

[0006] In a preferred embodiment, a cavity is provided in the movable base, a first motor is provided in the cavity, a driving gear is provided on the driving shaft of the first motor, the lower part of the rotating seat passes through the cavity, and a driven gear ring is provided on the lower part of the rotating seat, and the driving gear is meshed with the driven gear ring.

[0007] In a preferred solution, a battery is provided in the cavity, and the battery is used to supply power to the cavity; A control module is also provided in the cavity, the control module is connected to the battery, and an external control panel is also connected to the control module.

[0008] In a preferred solution, an arm adjustment motor is provided on the outer wall end of the arm, and the arm adjustment motor is fixed by a motor fixing housing fixed on the arm; The drive shaft of the support arm adjustment motor is connected to the support arm by a connecting pin shaft; A bearing for a connecting pin to pass through is arranged on the supporting arm fixed to the motor fixed housing, and the connecting pin is fixedly connected to the other supporting arm.

[0009] In a preferred solution, the cleaning mechanism includes a cleaning brush cylinder, and the cleaning brush cylinder is driven by a cleaning brush cylinder driving motor arranged on the outer side of the support arm; The cleaning mechanism also includes a camera module fixed on the support arm, and the camera module is arranged toward the water outlet end of the flushing pipe.

[0010] In a preferred solution, the support arm adjustment motor and the cleaning brush barrel drive motor are both connected to a battery and a control module.

[0011] In a preferred solution, a hose tensioning mechanism is provided on the top surface of the mobile base, and one end of the water supply hose connected to the water tank bypasses the hose tensioning mechanism and is connected to the water tank.

[0012] In a preferred solution, a submersible pump located inside the water tank is provided on the pipe on the water tank connected to the water supply hose.

[0013] In a preferred embodiment, a plurality of vertical guide rods are provided in the hose tensioning mechanism, and the guide rods are divided into two groups and are staggeredly arranged on the top surface and the bottom surface of the tensioning mechanism; The end of the guide rod is provided with a limit plate, a slider is passed through the guide rod, and a spring is provided on the guide rod between the slider and the limit plate; The slide block is provided with a pipe winding column, and the water supply hose is wound around a plurality of pipe winding columns and passes through the hose tensioning mechanism in an "S" shape.

[0014] The method for using the stator and rotor cleaning tooling based on the above-mentioned hydroelectric power station generator set includes the following steps: 1) Assemble the tooling and conduct reliability tests to ensure that the battery power is not less than 20%; 2) Push the tooling to the vicinity of the stator and rotor, and control the angle of the multi-section support arm and the direction of the rotating seat through the external control panel to make the cleaning mechanism reach the appropriate height and angle; 3) Monitor the cleaning area through the camera module, and manually operate the cleaning brush drive motor and start the submersible pump to clean the area to be cleaned; 4) During the cleaning process, multiple arm adjustment motors drive multiple arms to adjust to different angles to adjust the angle and strength of the cleaning mechanism; 5) After the cleaning operation is completed, the device is reset and pushed away from the work area.

[0015] The present invention provides a cleaning tool for the stator and rotor of a hydroelectric power station generator set and a method for using the same. By adopting the above structure and method, the cleaning tool has the following beneficial effects: (1) Compared with the traditional cleaning method that completely relies on manual handheld tools, there is no need to hold tools high or bend over for a long time, which reduces the fatigue of operators and reduces labor intensity. During the cleaning process, operators can control the tooling movements through the control panel, reducing manual physical exertion; (2) The hose tensioning mechanism can effectively tension the water supply hose during the height adjustment process of the device to prevent the water supply hose from being entangled or damaged; (3) Operators can flexibly select cleaning tools and adjust cleaning parameters, such as arm posture, cleaning mechanism angle and strength, according to the dirt conditions and structural characteristics of different parts of the stator and rotor, to achieve precise cleaning of the stator and rotor surfaces and gaps, effectively remove impurities such as oil, dust, etc., avoid cleaning dead corners, improve cleaning quality, help ensure the heat dissipation, insulation and other properties of the stator and rotor, and extend the service life of the generator set. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments: Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a schematic diagram of the cleaning mechanism structure of the present invention.

[0018] Figure 3 It is a schematic structural diagram of the hose tensioning mechanism of the present invention.

[0019] Figure 4 It is a schematic diagram of the top view of the connection position of adjacent supporting arms of the present invention.

[0020] Figure 5 It is a schematic diagram of the top view of the cleaning mechanism of the present invention.

[0021] In the figure: a mobile base 1, a universal mobile wheel 101, a cavity 102, a rotating base 2, a first motor 3, a battery 4, a control module 5, an external control panel 6, a driving gear 7, a driven gear ring 8, a support arm 9, a connecting pin 10, a cleaning mechanism 11, a cleaning brush cylinder 12, a flushing pipe 13, a water supply hose 14, a camera module 15, a water tank 16, a hose tensioning mechanism 17, a guide rod 18, a limit plate 19, a slider 20, a winding column 21, a spring 22, a submersible pump 23, a support arm adjustment motor 24, a motor fixing housing 25, and a cleaning brush cylinder drive motor 26. DETAILED DESCRIPTION

[0022] like Figure 1 A cleaning tool for the stator and rotor of a generator set of a hydroelectric power station includes a mobile base 1, a universal mobile wheel 101 is provided at the bottom of the mobile base 1, a rotating base 2 is provided on the top surface of the mobile base 1, and a multi-section support arm 9 is provided on the rotating base 2. The support arms 9 are connected by connecting pins 10, and a cleaning mechanism 11 is provided at the end of the uppermost support arm 9; A flushing pipe 13 is also provided on the support arm 9 at the uppermost end. The water inlet end of the flushing pipe 13 is connected to a water supply hose 14 . The water supply hose 14 extends to be connected to a water tank 16 provided on the top surface of the mobile base 1 .

[0023] In a preferred embodiment, a cavity 102 is provided in the movable base 1, a first motor 3 is provided in the cavity 102, a driving gear 7 is provided on the driving shaft of the first motor 3, the lower part of the rotating base 2 passes into the cavity 102, and a driven gear ring 8 is provided on the lower part of the rotating base 2, and the driving gear 7 is meshed with the driven gear ring 8.

[0024] In a preferred solution, a battery 4 is provided in the cavity 102, and the battery 4 is used to supply power to the cavity 102; A control module 5 is also disposed in the cavity 102 . The control module 5 is connected to the battery 4 . An external control panel 6 is also connected to the control module 5 .

[0025] In a preferred embodiment, an arm adjustment motor 24 is provided on the outer wall end of the arm 9, and the arm adjustment motor 24 is fixed by a motor fixing housing 25 fixed on the arm 9; The drive shaft of the support arm adjustment motor 24 is in transmission connection with the connecting pin 10 between the support arm 9; A bearing for the connecting pin 10 to pass through is provided on the supporting arm 9 fixed to the motor fixed housing 25 , and the connecting pin 10 is fixedly connected to the other supporting arm 9 .

[0026] In a preferred embodiment, the cleaning mechanism 11 includes a cleaning brush cylinder 12, and the cleaning brush cylinder 12 is driven by a cleaning brush cylinder driving motor 26 disposed outside the support arm 9; The cleaning mechanism 11 further includes a camera module 15 fixed on the support arm 9 , and the camera module 15 is arranged toward the water outlet end of the flushing pipe 13 .

[0027] In a preferred solution, the support arm adjustment motor 24 and the cleaning brush cylinder drive motor 26 are both connected to the battery 4 and the control module 5 .

[0028] In a preferred solution, a hose tensioning mechanism 17 is provided on the top surface of the mobile base 1 , and one end of the water supply hose 14 connected to the water tank 16 bypasses the hose tensioning mechanism 17 and is connected to the water tank 16 .

[0029] In a preferred solution, a submersible pump 23 located inside the water tank 16 is provided on the pipe on the water tank 16 connected to the water supply hose 14 .

[0030] In a preferred embodiment, a plurality of vertical guide rods 18 are provided in the hose tensioning mechanism 17, and the guide rods 18 are divided into two groups and are staggeredly arranged on the top surface and the bottom surface of the tensioning mechanism 17; The guide rod 18 is provided with a limit plate 19 at the end thereof, a slider 20 is passed through the guide rod 18, and a spring 22 is provided on the guide rod 18 between the slider 20 and the limit plate 19; The slide block 20 is provided with a pipe winding column 21 , and the water supply hose 14 is wound around a plurality of pipe winding columns 21 and passes through the hose tensioning mechanism 17 in an “S” shape.

[0031] Embodiment 2: When assembling the above tooling: Base assembly: Place the mobile base 1 on a flat ground and check whether the four universal mobile wheels 101 rotate smoothly.

[0032] The rotating base 2 is fixed at the center position of the top surface of the movable base 1 to ensure that its verticality and horizontality meet the requirements.

[0033] Arm Installation: The multi-section support arms 9 are connected in sequence through the connecting pins 10 , and sufficient space should be reserved for installing the cleaning mechanism 11 on the uppermost support arm 9 .

[0034] Install the arm adjustment motor 24 and its fixed housing 25 , and ensure that the motor drive shaft is correctly connected to the connecting pin shaft 10 .

[0035] Electrical Connection: The first motor 3 , the driving gear 7 , the driven gear ring 8 , the battery 4 and the control module 5 are installed inside the cavity 102 .

[0036] All motors are connected to the control module 5 , and a communication connection is established with the external control panel 6 through the control module 5 .

[0037] Water connection: One end of the flushing pipe 13 is connected to the interface on the uppermost support arm 9 , and the other end is connected to the water tank 16 through the water supply hose 14 .

[0038] Ensure that the water supply hose 14 bypasses the hose tensioning mechanism 17 and is firmly connected to the submersible pump 23 in the water tank 16 .

[0039] Cleaning mechanism installation: A cleaning mechanism 11 including a cleaning brush cylinder 12 and a camera module 15 is installed at the end of the uppermost support arm 9, and it is confirmed that the cleaning brush cylinder driving motor 26 works normally.

[0040] Reliability test: Conduct an electrical connection reliability test on the entire tooling, using a DC 48V voltage and a 10A current for continuous power supply for 1 hour to ensure stable battery power supply.

[0041] Manually test each joint to verify that it rotates smoothly through its full range without any jamming, and that the clamps clamp and release quickly and reliably.

[0042] Embodiment 3: The method for using the stator and rotor cleaning tool of the hydroelectric power station generator set according to embodiment 1 comprises the following steps: 1) Assemble the tooling and conduct reliability tests to ensure that the power of battery 4 is not less than 20%; 2) Push the tooling to the vicinity of the stator and rotor, and control the angle of the multi-section support arm 9 and the direction of the rotating seat 2 through the external control panel 6, so that the cleaning mechanism 11 reaches a suitable height and angle; 3) The cleaning area is monitored by the camera module 15, and the cleaning brush drive motor 26 and the submersible pump 23 are started by manual operation to clean the area to be cleaned; 4) During the cleaning process, the multiple arm adjustment motors 24 drive the multiple arm 9 to adjust to different angles, thereby adjusting the angle and strength of the cleaning mechanism 11; 5) After the cleaning operation is completed, the device is reset and pushed away from the work area.

[0043] The above cleaning process specifically includes: Cleaning process Push the tooling to the vicinity of the stator and rotor, and adjust the cleaning mechanism 11 to a suitable height according to the height, with the error controlled within the range of ±0.05 meters.

[0044] The external control panel 6 is used to adjust the angle of the rotating platform with an accuracy of ±1 degree so that the cleaning mechanism 11 faces the area to be cleaned.

[0045] Manually operate the support arm 9, adjust the posture of the support arm 9, and install and fix cleaning tools (such as a brush, a spray gun, etc.).

[0046] Wipe or brush large areas; for gaps or hard-to-clean areas, accurately control the position of the rotating platform and lifting rod through the control panel, and cooperate with the manual operation of the robotic arm to carry out careful cleaning.

[0047] Adjust the cleaning parameters at any time according to the actual situation, such as the angle and strength of the cleaning mechanism 11, the speed of the rotating seat 2, the height of the lifting rod, etc., to ensure the best cleaning effect.

[0048] After the cleaning task is completed, the support arm 9 is adjusted, the support arm 9 is stored and lowered to the lowest position, and the rotating seat 2 is returned to the zero position, and the error is controlled within ±0.03 meters.

[0049] Comprehensively inspect the tooling, including roller wear, joint lubrication, battery charging and discharging performance, etc.

[0050] Clean the external control panel and tooling surface to prevent dust and debris accumulation that may affect next use.

[0051] Regularly perform in-depth maintenance on the tooling, such as precision calibration of mechanical parts, inspection and maintenance of electrical systems, etc., to ensure stable and reliable performance of the tooling.

Claims

1. A cleaning tool for the stator and rotor of a generator set of a hydroelectric power station, comprising a movable base (1), wherein a universal movable wheel (101) is provided at the bottom of the movable base (1), and wherein: The top surface of the movable base (1) is provided with a rotating base (2), and the rotating base (2) is provided with a plurality of support arms (9), the support arms (9) are connected by connecting pins (10), and a cleaning mechanism (11) is provided at the end of the support arm (9) at the uppermost end; A flushing pipe (13) is also provided on the support arm (9) at the uppermost end. The water inlet end of the flushing pipe (13) is connected to a water supply hose (14). The water supply hose (14) extends to connect to a water tank (16) provided on the top surface of the mobile base (1).

2. A cleaning tool for the stator and rotor of a hydroelectric power station generator set according to claim 1, characterized in that: The movable base (1) is provided with a cavity (102), a first motor (3) is provided in the cavity (102), a driving gear (7) is provided on the driving shaft of the first motor (3), the lower part of the rotating base (2) passes into the cavity (102), and a driven gear ring (8) is provided on the lower part of the rotating base (2), and the driving gear (7) is meshed with the driven gear ring (8).

3. The cleaning tool for the stator and rotor of a generator set of a hydroelectric power station according to claim 1, characterized in that: A storage battery (4) is arranged in the cavity (102), and the storage battery (4) is used to supply power to the cavity (102); A control module (5) is also provided in the cavity (102); the control module (5) is connected to the storage battery (4); and an external control panel (6) is also connected to the control module (5).

4. The cleaning tool for the stator and rotor of a hydroelectric power station generator set according to claim 1, characterized in that: An arm adjustment motor (24) is provided on the outer wall end of the support arm (9), and the arm adjustment motor (24) is fixed by a motor fixing housing (25) fixed on the support arm (9); The drive shaft of the support arm adjustment motor (24) is drivingly connected to the connecting pin shaft (10) between the support arm (9); A bearing for the connecting pin shaft (10) to pass through is provided on the supporting arm (9) fixed to the motor fixed housing (25), and the connecting pin shaft (10) is fixedly connected to the other supporting arm (9).

5. A cleaning tool for the stator and rotor of a hydroelectric power station generator set according to claim 4, characterized in that: The cleaning mechanism (11) comprises a cleaning brush cylinder (12), and the cleaning brush cylinder (12) is driven by a cleaning brush cylinder drive motor (26) arranged outside the support arm (9); The cleaning mechanism (11) further comprises a camera module (15) fixed on the support arm (9), and the camera module (15) is arranged toward the water outlet end of the flushing pipe (13).

6. A cleaning tool for the stator and rotor of a generator set of a hydroelectric power station according to claim 5, characterized in that: The support arm adjustment motor (24) and the cleaning brush cylinder drive motor (26) are both connected to the battery (4) and the control module (5).

7. The cleaning tool for the stator and rotor of a generator set of a hydroelectric power station according to claim 1, characterized in that: A hose tensioning mechanism (17) is provided on the top surface of the mobile base (1), and one end of the water supply hose (14) connected to the water tank (16) passes around the hose tensioning mechanism (17) and is then connected to the water tank (16).

8. The cleaning tool for the stator and rotor of a hydroelectric power station generator set according to claim 1, characterized in that: A submersible pump (23) located inside the water tank (16) is provided on a pipe on the water tank (16) connected to the water supply hose (14).

9. The cleaning tool for the stator and rotor of a generator set of a hydroelectric power station according to claim 7, characterized in that: The hose tensioning mechanism (17) is provided with a plurality of vertical guide rods (18), and the guide rods (18) are divided into two groups and are staggeredly arranged on the top surface and the bottom surface of the tensioning mechanism (17); A limiting plate (19) is provided at the end of the guide rod (18), a slider (20) is passed through the guide rod (18), and a spring (22) is provided on the guide rod (18) between the slider (20) and the limiting plate (19); The slide block (20) is provided with a pipe winding column (21), and the water supply hose (14) is wound around a plurality of pipe winding columns (21) and passes through the hose tensioning mechanism (17) in an "S" shape.

10. The method for using the stator and rotor cleaning tool for a hydroelectric power station generator set according to any one of claims 1 to 9, characterized in that The following steps are involved: 1) Assemble the tooling and conduct reliability tests to ensure that the battery (4) power level is not less than 20%; 2) pushing the tooling to the vicinity of the stator and rotor, and controlling the angle of the multi-section support arm (9) and the orientation of the rotating seat (2) through an external control panel (6) so that the cleaning mechanism (11) reaches a suitable height and angle; 3) monitoring the cleaning area through the camera module (15), and manually operating the cleaning brush cylinder drive motor (26) and the submersible pump (23) to clean the area to be cleaned; 4) During the cleaning process, the multiple arm adjustment motors (24) drive the multiple arm sections (9) to adjust to different angles, thereby adjusting the angle and strength of the cleaning mechanism (11); 5) After the cleaning operation is completed, the device is reset and pushed away from the work area.

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