High-voltage frequency converter maintenance device

Abstract

The utility model relates to a high-voltage frequency converter maintenance device, and belongs to the technical field of maintenance devices.The high-voltage frequency converter maintenance device comprises a bottom plate, a control cabinet is fixed to the right side of the bottom plate, a lifting mechanism is arranged on the top of the bottom plate, a detector is arranged on a lifting assembly, a telescopic column is fixed to the top of the bottom plate, and a connecting plate is fixed to the top of the telescopic column; and a protection assembly is arranged at the top of the connecting plate, a locking assembly is arranged on the protection assembly, a storage box and a supporting plate are fixed to the protection assembly, and a clamping mechanism is arranged at the top of the supporting plate. According to the maintenance device for the high-voltage frequency converter, the height of the maintenance platform is adjusted through the lifting mechanism, the high-voltage frequency converter is positioned and fixed through the clamping mechanism, the lifting mechanism and the clamping mechanism are adjusted in a matched mode through the control cabinet, and accurate positioning and rapid maintenance of the high-voltage frequency converter are achieved; the use automation degree of the device is improved, and then the maintenance efficiency of the whole device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance devices, in particular to a maintenance device for a high-voltage frequency converter. Background Art

[0002] The frequency converter is an electric energy control device that converts industrial frequency power into another frequency by using the on-off function of power semiconductor devices. With the rapid development of modern power electronics and microelectronics technology, high-voltage and high-power variable frequency speed regulation devices have continued to mature. The high-voltage problem that has been difficult to solve has been well solved in recent years by connecting devices in series or units in series. However, during the use of the frequency converter, the frequency converter requires maintenance and the use of maintenance devices.

[0003] For example, a Chinese patent (publication number: CN221248793U) discloses a high-voltage inverter maintenance device, which belongs to the technical field of high-voltage inverter maintenance devices and includes: a toolbox, which is a suitcase, and a plurality of compartments are arranged inside the toolbox; a vacuum cleaner, which is placed in the compartment; a negative pressure detection mechanism, which includes a plurality of wind hoods and impeller anemometers, and the plurality of wind hoods and the impeller anemometers are all placed in the compartment, the wind hood is a tube body, and the diameters of the plurality of wind hoods are all different; a temperature detection mechanism, which is placed in the compartment. The utility model uses a vacuum cleaner to remove dust from the inside and outside of the high-frequency transformer, the negative pressure detection mechanism detects the ventilation condition of the high-frequency transformer, and the temperature detection mechanism detects the internal and external ambient temperature and the body temperature of the high-frequency transformer, and all these modules are embedded in the toolbox to meet various maintenance and detection needs of the high-voltage inverter, thereby making the maintenance device highly functional.

[0004] This patent realizes the detection and maintenance of the inverter by coordinating the temperature detection mechanism and the negative pressure detection mechanism. However, the maintenance method of the device lacks professional and automated device support and cannot effectively respond to complex maintenance needs. Therefore, a high-voltage inverter maintenance device is proposed to solve the above-mentioned problems. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a high-voltage inverter maintenance device with the advantages of high maintenance efficiency, which solves the problem that the maintenance device cannot effectively respond to complex maintenance needs.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-voltage inverter maintenance device, comprising a base plate, a control cabinet being fixed to the right side of the base plate, a lifting mechanism being provided on the top of the base plate, a detector for detecting working pressure being provided on the lifting assembly, a telescopic column being fixed to the top of the telescopic column, a connecting plate being fixed to the top of the connecting plate, a protective assembly being provided on the top of the connecting plate, a locking assembly for adjusting the protective assembly being provided on the protective assembly, a storage box and a support plate being fixed to the protective assembly, and a clamping mechanism for clamping an object being provided on the top of the support plate;

[0007] The lifting mechanism includes a fixed plate, a top support plate, a servo motor, a threaded rod, a sliding block, two connecting columns, a sliding ring, a swing plate, a movable block and a hinge plate. The fixed plate is fixed to the top of the base plate, the top of the top support plate is fixed to the connecting plate, the servo motor is fixed to the top of the fixed plate, the right side of the threaded rod is fixed to the output shaft of the servo motor, the sliding block is threadedly connected to the outer side of the threaded rod, the two connecting columns are respectively fixed to the inner sides of the fixed plate and the top support plate, the sliding ring is movably connected to the outer side of the bottom connecting column, the bottom of the swing plate is hinged to the front side of the sliding ring, the movable block is movably connected to the outer side of the top connecting column, the top of the hinged plate is hinged to the back side of the movable block, the top of the swing plate is hinged to the bottom of the top support plate, the bottom of the hinged plate is hinged to the top of the fixed plate, and the front side of the sliding block is fixed to the swing plate.

[0008] By adopting this technical solution, the height of the maintenance platform can be adjusted, which is beneficial to improving the flexibility of the overall device and the overall use effect. Through the coordinated setting of the protection component and the locking component, the maintenance personnel are further protected, and the stability and safety of the device are improved. The setting of the clamping mechanism is conducive to achieving precise clamping of the inverter and improving maintenance efficiency.

[0009] Furthermore, the telescopic column includes a movable cylinder and a fixed cylinder, the fixed cylinder is fixed to the top of the base plate, the movable cylinder passes through the inner side of the fixed cylinder, the movable cylinder is movably connected to the fixed cylinder, and the top of the movable cylinder is fixed to the connecting plate.

[0010] By adopting this technical solution, it is beneficial to support the connecting plate, thereby facilitating the stability of the lifting and lowering of the entire device.

[0011] Furthermore, the protective assembly includes a receiving plate, an adjustment plate, a connecting plate and an alarm, the receiving plate is fixed to the top of the connecting plate, the adjustment plate is hinged to the top of the receiving plate, the connecting plate is hinged to the top of the adjustment plate, and the storage box and the support plate are both fixed to the top of the receiving plate.

[0012] The adoption of this technical solution is beneficial for protecting maintenance personnel and improving the safety of the overall device.

[0013] Furthermore, the back side of the adjustment plate is rotatably connected to two upper and lower hinged rods, a baffle is hinged between the upper and lower hinged rods, and the alarm is fixed to the left and right sides of the receiving plate.

[0014] By adopting this technical solution, the maintenance platform is provided with protection on both the left and right sides, which further ensures the safety of maintenance personnel and improves the safety of device use.

[0015] Furthermore, the locking assembly includes an extension block, a rotating rod and a turntable, the extension block is fixed to the right side of the connecting plate, the rotating rod is threadedly connected to the right side of the adjustment plate, the rotating rod is threadedly connected to the bottom of the extension block, and the turntable is fixed to the right side of the rotating rod.

[0016] By adopting this technical solution, the protective components are adjusted, which is conducive to improving the flexibility of the use of the entire device and improving the use effect of the entire device.

[0017] Furthermore, the clamping mechanism includes a sliding mechanism, a connecting frame, an extension plate, a slide plate, a clamp and a sensor. The sliding mechanism is fixed to the top of the support plate, the connecting frame is fixed to the top of the sliding mechanism, the extension plate is fixed to the inner side surface of the top of the connecting frame, the slide plate is slidably connected to the front of the extension plate, and the clamp and the sensor are both fixed to the front of the slide plate.

[0018] By adopting this technical solution, it is beneficial to realize the clamping function of the inverter, thereby facilitating the smooth progress of maintenance work and facilitating the stability of device use.

[0019] Furthermore, the sliding mechanism includes a sliding seat, a driving cylinder, a push rod, a receiving seat, a pushing cylinder and a displacement seat. The sliding seat is fixed to the top of the support plate, the driving cylinder is fixed to the left side of the sliding seat, the push rod is fixed to the movable axis of the driving cylinder, the receiving seat is movably connected to the top of the sliding seat, the movable axis of the pushing cylinder is fixed to the front of the displacement seat, the back of the pushing cylinder is fixed to the receiving seat, and the displacement seat is movably connected to the top of the receiving seat.

[0020] By adopting this technical solution, it is helpful to adjust the orientation of the clamping jaws, thereby facilitating the precise clamping of the inverter, thereby facilitating the improvement of the ease of use of the entire device and thus improving maintenance efficiency.

[0021] Furthermore, a sliding channel is provided on the top of the sliding seat and the receiving seat, and the receiving seat and the displacement seat are respectively slidably connected to the sliding seat and the receiving seat through the sliding channel.

[0022] The adoption of this technical solution is beneficial to the stability of the clamp adjustment, thereby further improving the stability of the overall device.

[0023] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0024] The high-voltage inverter maintenance device realizes adjustment of the maintenance platform height through the setting of the lifting mechanism, and realizes positioning and fixing of the high-voltage inverter through the setting of the clamping mechanism. The lifting mechanism and the clamping mechanism are coordinated and adjusted by the control cabinet to realize precise positioning and rapid maintenance of the high-voltage inverter, thereby improving the degree of automation of the device use and thus improving the maintenance efficiency of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a three-dimensional diagram of the lifting mechanism of the utility model;

[0027] Figure 3 This is a three-dimensional diagram of the protective component of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the clamping mechanism of the utility model.

[0029] Figure: 1, bottom plate; 2, control cabinet; 3, lifting mechanism; 301, fixed plate; 302, top support plate; 303, servo motor; 304, threaded rod; 305, sliding block; 306, connecting column; 307, sliding ring; 308, swing plate; 309, movable block; 310, hinged plate; 4, detector; 5, connecting plate; 6, telescopic column; 7, receiving plate; 8, adjusting plate; 9, connecting plate; 10, alarm Alarm device; 11. Extension block; 12. Rotating rod; 13. Turntable; 14. Storage box; 15. Support plate; 16. Clamping mechanism; 1601. Sliding seat; 1602. Driving cylinder; 1603. Push rod; 1604. Receiver seat; 1605. Push cylinder; 1606. Displacement seat; 1607. Connecting frame; 1608. Extension plate; 1609. Slide plate; 1610. Clamping claw; 1611 Sensor. DETAILED DESCRIPTION

[0030] 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 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.

[0031] See also Figure 1 and Figure 3 A high-voltage inverter maintenance device in this embodiment includes a base plate 1, a control cabinet 2 is fixed to the right side of the base plate 1, a lifting mechanism 3 is provided on the top of the base plate 1, and a detector 4 for detecting working pressure is provided on the lifting mechanism 3.

[0032] It can be understood that the provision of the detector 4 is conducive to monitoring the working state of the servo motor 303, thereby facilitating the stability of the use of the entire device and thereby facilitating the improvement of the safety of maintenance work.

[0033] A telescopic column 6 is fixed to the top of the base plate 1, and a connecting plate 5 is fixed to the top of the telescopic column 6. The telescopic column 6 includes a movable cylinder and a fixed cylinder. The fixed cylinder is fixed to the top of the base plate 1, and the movable cylinder passes through the inside of the fixed cylinder. The movable cylinder is movably connected to the fixed cylinder.

[0034] The arrangement of the movable cylinder and the fixed cylinder is conducive to providing a supporting force for the connecting plate 5 when it rises upward, thereby being conducive to the stability of the telescopic column 6 and the stable use of the maintenance device.

[0035] It can also be understood that the top of the movable cylinder is fixed to the connecting plate 5, and a protective component is provided on the top of the connecting plate 5. The provision of the protective component is beneficial to the protection of maintenance personnel, thereby improving the safety during operation, and further improving the safety of the device. A locking component for adjusting the protective component is provided on the protective component, and a storage box 14 and a support plate 15 are fixed on the protective component. A clamping mechanism 16 for clamping objects is provided on the top of the support plate 15.

[0036] The setting of the locking component is conducive to adjusting the protective component, thereby improving the flexibility of the device. The setting of the protective component is conducive to improving the safety of the device and improving the use effect of the entire device.

[0037] It should be noted that the protective component includes a receiving plate 7, an adjusting plate 8, a connecting plate 9 and an alarm 10. The receiving plate 7 is fixed to the top of the connecting plate 5, the adjusting plate 8 is hinged to the top of the receiving plate 7, and the back of the adjusting plate 8 is rotatably connected to two upper and lower hinged rods, and a baffle is hinged between the upper and lower hinged rods. The setting of the baffle is beneficial to protect the left and right sides of the device, thereby further improving the safety of the device. The connecting plate 9 is hinged to the top of the adjusting plate 8, the storage box 14 and the support plate 15 are fixed to the top of the receiving plate 7, and the alarm 10 is fixed to the left and right sides of the receiving plate 7.

[0038] It should also be noted that the provision of the alarm 10 facilitates timely alarm of device failures. When a failure occurs, the alarm 10 will sound an alarm in a timely manner, thereby facilitating improved safety in the overall use of the device. The provision of multiple storage boxes 14 facilitates the storage of maintenance tools, thereby facilitating improved use of the device.

[0039] The locking assembly includes an extension block 11, a rotating rod 12 and a turntable 13. The extension block 11 is fixed to the right side of the connecting plate 9, the rotating rod 12 is threadedly connected to the right side of the adjustment plate 8, the rotating rod 12 is threadedly connected to the bottom of the extension block 11, and the turntable 13 is fixed to the right side of the rotating rod 12.

[0040] The threaded connection setting of the rotating rod 12 achieves the locking effect of the rotating rod 12 on the adjustment plate 8 and the connecting plate 9, which is beneficial for adjusting the protective component, further improving the flexibility of the device and improving the overall use effect.

[0041] It is not difficult to see that in this embodiment, the height of the overall maintenance platform is adjusted by the lifting mechanism 3, and the setting of the clamping mechanism 16 is combined to achieve precise clamping of the inverter, which is beneficial to improving the use effect of the overall device and improving the maintenance efficiency of the device.

[0042] See also Figure 2 In order to realize the adjustment function of the maintenance platform, the lifting mechanism 3 in this embodiment includes a fixed plate 301, a top support plate 302, a servo motor 303, a threaded rod 304, a sliding block 305, two connecting columns 306, a sliding ring 307, a swing plate 308, a movable block 309 and a hinge plate 310. The fixed plate 301 is fixed to the top of the base plate 1, the top of the top support plate 302 is fixed to the connecting plate 5, the servo motor 303 is fixed to the top of the fixed plate 301, the right side of the threaded rod 304 is fixed to the output shaft of the servo motor 303, and the sliding block 305 is threadedly connected to the outer side of the threaded rod 304.

[0043] The servo motor 303 supplies energy to drive the threaded rod 304 to rotate, and the threaded connection drives the sliding block 305 to move to the left, thereby facilitating the realization of the lifting function.

[0044] It can be understood that the two connecting columns 306 are fixed to the inner sides of the fixed plate 301 and the top support plate 302 respectively, the sliding ring 307 is movably connected to the outer side of the bottom connecting column 306, and the bottom of the swing plate 308 is hinged to the front of the sliding ring 307.

[0045] The hinged setting facilitates the angle adjustment of the swing plate 308, thereby facilitating the realization of the lifting function of the entire platform, thereby facilitating the improvement of the flexibility of the overall device and the improvement of the use effect of the device.

[0046] In addition, the movable block 309 is movably connected to the outer side of the top connecting column 306, the top of the hinged plate 310 is hinged to the back of the movable block 309, the top of the swing plate 308 is hinged to the bottom of the top support plate 302, the bottom of the hinged plate 310 is hinged to the top of the fixed plate 301, and the front of the sliding block 305 is fixed to the swing plate 308.

[0047] In this embodiment, the servo motor 303 is used to supply energy, driving the threaded rod 304 to rotate and driving the sliding block 305 to move, thereby realizing the angle adjustment of the swing plate 308, which is conducive to realizing the height adjustment function of the top support plate 302, helping to adjust the height of the maintenance platform, and improving the overall convenience of use.

[0048] See also Figure 4 In order to achieve precise positioning of the inverter, the clamping mechanism 16 in this embodiment includes a sliding mechanism, a connecting frame 1607, an extension plate 1608, a slide plate 1609, a clamping claw 1610 and a sensor 1611. The sliding mechanism is fixed to the top of the support plate 15, the connecting frame 1607 is fixed to the top of the sliding mechanism, the extension plate 1608 is fixed to the inner side surface of the top of the connecting frame 1607, the slide plate 1609 is slidably connected to the front of the extension plate 1608, and the clamping claw 1610 and the sensor 1611 are both fixed to the front of the slide plate 1609.

[0049] By setting the sensor 1611 and adjusting the position and pressure of the clamping jaw 1610 through the control system, accurate clamping of high-voltage inverters of different specifications can be achieved, thereby avoiding slippage or damage of the equipment during maintenance and improving the convenience and safety of the device.

[0050] It should be explained that the sliding mechanism includes a sliding seat 1601, a driving cylinder 1602, a push rod 1603, a receiving seat 1604, a pushing cylinder 1605 and a displacement seat 1606. The sliding seat 1601 is fixed to the top of the support plate 15, the driving cylinder 1602 is fixed to the left side of the sliding seat 1601, and the push rod 1603 is fixed to the movable axis of the driving cylinder 1602.

[0051] Through the fixed connection setting, the driving cylinder 1602 and the pushing cylinder 1605 can control the entire clamping mechanism 16, which is beneficial to the normal use and reasonable operation of the clamping mechanism 16.

[0052] It should also be explained that the receiving seat 1604 is movably connected to the top of the sliding seat 1601, the movable shaft of the pushing cylinder 1605 is fixed to the front of the displacement seat 1606, the back of the pushing cylinder 1605 is fixed to the receiving seat 1604, and the displacement seat 1606 is movably connected to the top of the receiving seat 1604. The tops of the sliding seat 1601 and the receiving seat 1604 are both provided with sliding channels, and the receiving seat 1604 and the displacement seat 1606 are slidably connected to the sliding seat 1601 and the receiving seat 1604 respectively through the sliding channels.

[0053] In this embodiment, the air cylinder 1605 and the driving cylinder 1602 are energized to push the receiving seat 1604 and the displacement seat 1606 to move, thereby achieving overall adjustment of the clamping jaws 1610. At the same time, in conjunction with the setting of the sensor 1611, the control of the clamping mechanism 16 is achieved, thereby improving the degree of automation of the device and helping to improve the overall maintenance efficiency.

[0054] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the present invention is controlled by the controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is mainly used to protect mechanical devices, so the control method and circuit connection are no longer explained in detail in the present invention.

[0055] The working principle of the above embodiment is:

[0056] The servo motor 303 rotates, driving the threaded rod 304 to rotate. The threaded connection of the sliding block 305 drives the sliding rings 307 and the movable block 309 on the front and rear sides to slide to the left. The swing plate 308 and the hinged plate 310 are adjusted in angle through the hinged action, thereby supporting the supporting plate 302 upward, thereby adjusting the height of the entire device. At the same time, the stabilizing effect of the telescopic column 6 is further improved to further improve the stability of the entire device. The connecting plate 9 is pulled to place the adjustment plate 8 vertically. Then, the rotating rod 12 is rotated to thread the rotating rod 12 and the adjustment plate 8, thereby locking the adjustment plate 8 and the connecting plate 9, thereby achieving the overall construction of the guardrail. The position of the clamping claw 1610 is adjusted by controlling the driving cylinder 1602 and the pushing cylinder 1605. Then, the circuit control of the control cabinet 2 drives the slide plate 1609 and the clamping claw 1610 to move, thereby accurately clamping the high-voltage inverter, thereby realizing the automation of the entire device, improving the convenience of device use, and facilitating the improvement of maintenance efficiency.

Claims

1. A high-voltage inverter maintenance device, comprising a base plate (1), characterized in that: A control cabinet (2) is fixed to the right side of the base plate (1), a lifting mechanism (3) is provided on the top of the base plate (1), a detector (4) for detecting working pressure is provided on the lifting mechanism (3), a telescopic column (6) is fixed on the top of the telescopic column (6), a connecting plate (5) is fixed on the top of the connecting plate (5), a protective component is provided on the top of the connecting plate (5), a locking component for adjusting the protective component is provided on the protective component, a storage box (14) and a support plate (15) are fixed on the protective component, and a clamping mechanism (16) for clamping an object is provided on the top of the support plate (15); The lifting mechanism (3) includes a fixed plate (301), a supporting plate (302), a servo motor (303), a threaded rod (304), a sliding block (305), two connecting columns (306), a sliding ring (307), a swinging plate (308), a movable block (309) and a hinge plate (310), wherein the fixed plate (301) is fixed to the top of the bottom plate (1), the top of the supporting plate (302) is fixed to the connecting plate (5), the servo motor (303) is fixed to the top of the fixed plate (301), the right side of the threaded rod (304) is fixed to the output shaft of the servo motor (303), and the sliding block (305) is threadedly connected to the outer side of the threaded rod (304). The two connecting columns (306) are respectively fixed to the inner sides of the fixed plate (301) and the top support plate (302); the sliding ring (307) is movably connected to the outer side of the bottom connecting column (306); the bottom of the swing plate (308) is hinged to the front side of the sliding ring (307); the movable block (309) is movably connected to the outer side of the top connecting column (306); the top of the hinged plate (310) is hinged to the back side of the movable block (309); the top of the swing plate (308) is hinged to the bottom of the top support plate (302); the bottom of the hinged plate (310) is hinged to the top of the fixed plate (301); and the front side of the sliding block (305) is fixed to the swing plate (308).

2. A high-voltage inverter maintenance device according to claim 1, characterized in that: The telescopic column (6) comprises a movable cylinder and a fixed cylinder, the fixed cylinder is fixed to the top of the base plate (1), the movable cylinder penetrates the inside of the fixed cylinder, the movable cylinder is movably connected to the fixed cylinder, and the top of the movable cylinder is fixed to the connecting plate (5).

3. A high-voltage inverter maintenance device according to claim 1, characterized in that: The protective assembly comprises a receiving plate (7), an adjusting plate (8), a connecting plate (9) and an alarm (10), wherein the receiving plate (7) is fixed to the top of the connecting plate (5), the adjusting plate (8) is hinged to the top of the receiving plate (7), the connecting plate (9) is hinged to the top of the adjusting plate (8), the storage box (14) and the support plate (15) are both fixed to the top of the receiving plate (7), and the alarm (10) is fixed to the left and right sides of the receiving plate (7).

4. A high-voltage inverter maintenance device according to claim 3, characterized in that: The back side of the adjustment plate (8) is rotatably connected to two upper and lower hinged rods, and a baffle is hinged between the upper and lower hinged rods.

5. A high-voltage inverter maintenance device according to claim 3, characterized in that: The locking assembly comprises an extension block (11), a rotating rod (12) and a rotating disk (13), wherein the extension block (11) is fixed to the right side of the connecting plate (9), the rotating rod (12) is threadedly connected to the right side of the adjusting plate (8), the rotating rod (12) is threadedly connected to the bottom of the extension block (11), and the rotating disk (13) is fixed to the right side of the rotating rod (12).

6. A high-voltage inverter maintenance device according to claim 1, characterized in that: The clamping mechanism (16) includes a sliding mechanism, a connecting frame (1607), an extension plate (1608), a slide plate (1609), a clamping claw (1610) and a sensor (1611), wherein the sliding mechanism is fixed to the top of the support plate (15), the connecting frame (1607) is fixed to the top of the sliding mechanism, the extension plate (1608) is fixed to the inner side surface of the top of the connecting frame (1607), the slide plate (1609) is slidably connected to the front of the extension plate (1608), and the clamping claw (1610) and the sensor (1611) are both fixed to the front of the slide plate (1609).

7. A high-voltage inverter maintenance device according to claim 6, characterized in that: The sliding mechanism comprises a sliding seat (1601), a driving cylinder (1602), a push rod (1603), a receiving seat (1604), a pushing cylinder (1605) and a displacement seat (1606), wherein the sliding seat (1601) is fixed to the top of the support plate (15), the driving cylinder (1602) is fixed to the left side of the sliding seat (1601), the push rod (1603) is fixed to the movable shaft of the driving cylinder (1602), the receiving seat (1604) is movably connected to the top of the sliding seat (1601), the movable shaft of the pushing cylinder (1605) is fixed to the front side of the displacement seat (1606), the back side of the pushing cylinder (1605) is fixed to the receiving seat (1604), and the displacement seat (1606) is movably connected to the top of the receiving seat (1604).

8. A high-voltage inverter maintenance device according to claim 7, characterized in that: The tops of the sliding seat (1601) and the receiving seat (1604) are both provided with sliding channels, and the receiving seat (1604) and the displacement seat (1606) are respectively slidably connected to the sliding seat (1601) and the receiving seat (1604) through the sliding channels.

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