Electrical equipment maintenance device

Abstract

The utility model belongs to the field of electrical equipment, and particularly relates to an electrical equipment maintenance device which comprises a moving device, a workbench is arranged at the top end of the moving device, and adjusting assemblies are arranged on the two sides of the workbench. The adjusting assembly comprises rotating knobs, the rotating knobs are arranged at the top end of the moving device, the two sets of rotating knobs are arranged, the first screw rods are sleeved with the two sets of rotating knobs, the two sets of rotating knobs are fixedly connected with the first screw rods, and the two sets of first screw rods are sleeved with first screw sleeves; through the structural design of the adjusting assembly, the function of adjusting the length of the workbench is achieved, and the problem that when a maintenance device is used for conveniently maintaining power equipment, due to the fact that the structure of the workbench is fixed, the space cannot be adjusted according to the requirements of maintenance personnel to adapt to specific working conditions is solved.

Description

Technical Field

[0001] The utility model relates to the field of electric power equipment, in particular to an electric power equipment maintenance device. Background Art

[0002] Power equipment mainly includes two categories: power generation equipment and power supply equipment. Power generation equipment mainly includes power station boilers, steam turbines, gas turbines, water turbines, generators, transformers, etc. Power supply equipment mainly includes transmission lines of various voltage levels, mutual inductors, contactors, etc. During the maintenance process of existing power equipment, most of the maintenance equipment uses maintenance devices to drive the staff to the appropriate location and carry out maintenance.

[0003] The existing power equipment maintenance device can specifically refer to the Chinese utility model patent with application number CN202221154677.7, which specifically discloses a power equipment maintenance device, including a base, a roller, a hydraulic box, an adjustment column, a controller, a protective door, a battery, a lighting lamp and a button, a limit plate connected to the bottom of the base, a roller connected to the inner side of the limit plate, a folding device connected to the upper surface of the base, a hydraulic seat connected to the outer side of the hydraulic box, an adjustment column connected to the upper surface of the hydraulic seat, a workbench connected to the upper surface of the adjustment column, a controller connected to the top of the workbench, a protective door connected to the outside of the guardrail, a storage frame connected to the outside of the guardrail, a lifting column connected to one side of the battery, and a lighting lamp connected to the top of the lifting column. The utility model is a power equipment maintenance device. Through the hydraulic components provided, the device can achieve the working effect of height adjustment when conducting survey and maintenance on the power equipment, which not only facilitates the staff to inspect the power equipment, but also greatly improves the working efficiency and maintenance effect of the device.

[0004] The above-mentioned power equipment maintenance device lacks a component for adjusting the length of the workbench, and the workbench of the above-mentioned device is fixed, and the space cannot be adjusted according to the needs of the maintenance personnel to adapt to the specific working conditions. When the position of the workbench needs to be adjusted, the position of the workbench can only be moved by pushing the whole, and the workbench cannot be moved and adjusted unilaterally; therefore, an power equipment maintenance device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, the power equipment maintenance device in the prior art lacks a component for adjusting the length of the workbench, and the workbench of the above-mentioned device is fixed, and the space cannot be adjusted according to the needs of the maintenance personnel to adapt to the specific working situation. When the position of the workbench needs to be adjusted, the position of the workbench can only be moved by pushing the whole, and the workbench cannot be moved and adjusted unilaterally. The utility model proposes a power equipment maintenance device.

[0006] The technical solution adopted by the utility model to solve the technical problem is: the utility model is a power equipment maintenance device, comprising a mobile device, a workbench is arranged on the top of the mobile device, and adjustment components are arranged on both sides of the workbench;

[0007] The adjusting component includes a rotating knob, which is arranged at the top of the moving device, and there are two groups of rotating knobs, both of which are sleeved on the outside of the first screw, and both of which are fixedly connected to the first screw, both of which are sleeved on the outside of the first screw, and both of which are threadedly connected to the first screw, both of which are penetrated by a screw sleeve connecting plate, and both of which are fixedly connected to the screw sleeve connecting plate, the bottom ends of both of which are engaged with the first clamping block, both of which are penetrated by a guardrail connected to the workbench, and both of which are fixedly connected to the first sliding rod, and a lifting component is arranged at the top of the moving device and the bottom of the workbench.

[0008] Preferably, the lifting assembly includes a driving motor, which is arranged at the bottom end of the workbench, and the output end of the driving motor passes through the right end of the first connecting plate, the output end of the driving motor is fixedly connected to the right end of the first worm, the left end of the first worm is rotatably connected to the left end of the first connecting plate, the first worm is meshed with the first worm wheel, and the first worm wheel is provided with two groups, and the bottom ends of the two groups of the first worm wheels are fixedly connected to the inner ring of the first bearing, the outer rings of the two groups of the first bearings are fixedly connected to the inner wall of the first sleeve, the outsides of the two groups of the first worm wheels are sleeved with a second screw, and the two groups of the first worm wheels are threadedly connected to the second screw.

[0009] Preferably, the two groups of the first sliding rods both pass through the workbench, the two groups of the first sliding rods are both slidably connected to the workbench, the two groups of the first sliding rods are both fixedly connected to the first protective frame, the two groups of the first protective frame are both fixedly connected to the first extension plate, the two groups of the first extension plate both pass through the workbench, and the two groups of the first extension plates are both slidably connected to the workbench, the two groups of the first protective frames are both fixedly connected to the second sliding rods, the two groups of the second sliding rods both pass through the workbench, and the two groups of the second sliding rods are both slidably connected to the workbench.

[0010] Preferably, the top ends of the two groups of the second screws are fixedly connected to the connecting sleeves, the top ends of the two groups of the connecting sleeves are fixedly connected to the bottom end of the workbench, the two groups of the connecting sleeves are sleeved on the outside of the first connecting piece, the two groups of the first connecting pieces are fixedly connected to the top end of the moving device, and the two groups of the first connecting pieces are fixedly connected to the bottom end of the first sleeve.

[0011] Preferably, the rotating knob is provided with anti-slip grooves, and the rotating knob is made of rubber material, multiple groups of the first engaging blocks are provided, and the multiple groups of the first engaging blocks are all fixedly connected to the guardrail on the workbench, and the interiors of the multiple groups of the first engaging blocks are provided with cylindrical holes that engage with the first screw.

[0012] Preferably, the bottom end of the driving motor is fixedly connected to the motor connecting piece, the motor connecting piece is fixedly connected to the right end of the first connecting plate, and the first connecting plate is fixedly connected to the two groups of first sleeves.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model realizes the function of adjusting the length of the workbench by adjusting the structural design of the components, and solves the problem that the maintenance device can be used to conveniently maintain the power equipment, but the structure of the workbench is fixed, so that the space cannot be adjusted according to the needs of the maintenance personnel to adapt to the specific working situation;

[0015] 2. The utility model realizes the function of lifting the workbench through the structural design of the lifting component. The power equipment can be repaired by using the maintenance device. The staff can be conveniently led to the appropriate maintenance position through the lifting component, thereby avoiding the staff from using ladders to repair the power equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a side view stereoscopic structural schematic diagram of the utility model;

[0019] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 It is a schematic diagram of the first partial three-dimensional structure of the utility model;

[0021] Figure 5 For the utility model Figure 4 The enlarged structural diagram at B in the middle;

[0022] Figure 6 It is a schematic diagram of a second partial three-dimensional structure of the utility model.

[0023] In the figure: 1, moving device; 2, workbench; 40, first extension plate; 41, first protective frame; 42, first sliding rod; 44, rotating knob; 45, first screw rod; 46, first screw sleeve; 47, screw sleeve connecting plate; 48, first locking block; 49, second sliding rod; 60, first connecting piece; 61, connecting sleeve; 62, driving motor; 63, motor connecting piece; 64, first worm; 65, first worm wheel; 66, first connecting plate; 67, second screw rod; 68, first bearing; 69, first sleeve. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 6 As shown, an electric power equipment maintenance device comprises a mobile device 1, a workbench 2 is arranged on the top of the mobile device 1, and adjustment components are arranged on both sides of the workbench 2;

[0026] The adjustment component includes a rotating knob 44, which is arranged at the top of the mobile device 1, and there are two sets of rotating knobs 44, both of which are sleeved on the outside of the first screw rod 45, and both of which are connected to the first screw rod 45 by adhesive, and the inside of the rotating knob 44 is provided with a cylindrical hole matching the first screw rod 45, and the outside of the two sets of first screw rods 45 are sleeved with a first screw sleeve 46, and both sets of first screw rods 45 are threadedly connected to the first screw sleeve 46, and the two sets of first screw rods 45 are threadedly connected to the first screw sleeve 46. The first screw sleeves 46 of the two groups all penetrate the screw sleeve connecting plate 47, and the two groups of first screw sleeves 46 are welded together with the screw sleeve connecting plate 47, and the screw sleeve connecting plate 47 is provided with a cylindrical hole matching the first screw sleeve 46 inside, the bottom ends of the two groups of first screw rods 45 are engaged with the first clamping block 48, the two groups of screw sleeve connecting plates 47 all penetrate the guardrail connected to the workbench 2, and the two groups of screw sleeve connecting plates 47 are welded together with the first sliding rod 42, and the top end of the mobile device 1 and the bottom end of the workbench 2 are provided with a lifting assembly;

[0027] During operation, when adjusting the length of the workbench 2, by turning the rotating knob 44, the rotating knob 44 is provided with anti-slip grooves, and the rotating knob 44 is made of rubber, so that the friction between the hand and it can be increased, so that it is convenient for the staff to rotate it, and the rotating knob 44 is fixedly connected to the first screw rod 45, thereby driving the first screw rod 45 to rotate inside the first screw sleeve 46, the first screw rod 45 is threadedly connected to the first screw sleeve 46, and the first screw sleeve 46 is fixedly connected to the screw sleeve connecting plate 47, the first screw rod 45 is rotated with the first screw sleeve 46, and then the first screw rod 45 moves upward inside the first engaging block 48, when the first screw rod 45 moves upward to completely disengage from the first engaging block 48, then the first screw rod 45 and the cylindrical hole inside the first engaging block 48 are no longer engaged, and then the first protective frame 41 is pushed to the left, and then The first protective frame 41 moves to the left, and the first protective frame 41 is fixedly connected to the first extension plate 40, thereby driving the first extension plate 40 to slide to the left inside the workbench 2. The first protective frame 41 is also fixedly connected to the first sliding rod 42 and the second sliding rod 49, thereby driving the first sliding rod 42 and the second sliding rod 49 to slide to the left inside the workbench 2. The screw sleeve connecting plate 47 is fixedly connected to the first sliding rod 42, thereby driving the screw sleeve connecting plate 47 to slide to the left. When the first extension plate 40 slides to the left to a suitable position, the first screw rod 45 is moved downward by rotating the rotating knob 44 in the opposite direction. When the first screw rod 45 moves downward to re-engage with the cylindrical hole inside the first engaging block 48, the length of the workbench 2 can be adjusted. Whether to adjust another set of first extension plates 40 can be decided according to the actual needs of the maintenance personnel.

[0028] Further, the lifting assembly includes a driving motor 62, which is arranged at the bottom end of the workbench 2, and the output end of the driving motor 62 passes through the right end of the first connecting plate 66, the output end of the driving motor 62 is welded to the right end of the first worm 64, the left end of the first worm 64 is rotatably connected to the left end of the first connecting plate 66, the first worm 64 is meshed with the first worm gear 65, and the first worm gear 65 is provided with two groups, and the bottom ends of the two groups of first worm gears 65 are welded to the inner ring of the first bearing 68, the outer rings of the two groups of first bearings 68 are welded to the inner wall of the first sleeve 69, the first sleeve 69 is provided with a cylindrical hole matching the outer ring of the first bearing 68, the outside of the two groups of first worm gears 65 are sleeved with a second screw 67, and the two groups of first worm gears 65 are threadedly connected to the second screw 67;

[0029] During operation, when repairing the power equipment, the mobile device 1 is pushed to drive the entire device to move to a suitable position. After the entire device moves to a suitable position, the roller at the bottom of the mobile device 1 is engaged to prevent the entire device from sliding during operation. The maintenance personnel then climb into the workbench 2 and start the drive motor 62. The output end of the drive motor 62 is fixedly connected to the right end of the first worm 64, and the left end of the first worm 64 is rotationally connected to the left end of the first connecting plate 66, thereby driving the first worm 64. The first worm gear 64 is meshed with the two groups of first worm wheels 65, thereby driving the two groups of first worm wheels 65 to rotate. The bottom end of the first worm wheel 65 is fixedly connected to the inner ring of the first bearing 68, and the outer ring of the first bearing 68 is fixedly connected to the inner wall of the first sleeve 69, thereby causing the bottom end of the first worm wheel 65 to rotate in the inner ring of the first bearing 68, and the first worm wheel 65 is sleeved on the outside of the second screw 67, and the first worm wheel 65 is threadedly connected to the second screw 67, and the second screw 67 is moved upward by the rotation of the first worm wheel 65.

[0030] Further, both groups of first sliding rods 42 penetrate the workbench 2, both groups of first sliding rods 42 are slidably connected to the workbench 2, both groups of first sliding rods 42 are welded to the first protective frame 41, both groups of first protective frames 41 are welded to the first extension plate 40, the first extension plate 40 is rectangular in design, the first extension plate 40 is made of aluminum alloy with excellent wear resistance and corrosion resistance, and can ensure that no rust or excessive wear occurs during long-term use, both groups of first extension plates 40 penetrate the workbench 2, and both groups of first extension plates 40 are slidably connected to the workbench 2, both groups of first protective frames 41 are welded to the second sliding rods 49, both groups of second sliding rods 49 penetrate the workbench 2, and both groups of second sliding rods 49 are slidably connected to the workbench 2;

[0031] During operation, when the first screw rod 45 moves upward to completely disengage from the interior of the first engaging block 48, the first screw rod 45 is no longer engaged with the cylindrical hole inside the first engaging block 48, and then the first protective frame 41 is pushed to the left, and then the first protective frame 41 moves to the left. The first protective frame 41 is fixedly connected to the first extension plate 40, and then the first extension plate 40 is driven to slide to the left inside the workbench 2. The first protective frame 41 is also fixedly connected to the first sliding rod 42 and the second sliding rod 49, and then the first sliding rod 42 and the second sliding rod 49 are driven. 49 slides to the left inside the workbench 2, and the screw sleeve connecting plate 47 is fixedly connected to the first sliding rod 42, which then drives the screw sleeve connecting plate 47 to slide to the left. When the first extension plate 40 slides to the left to a suitable position, the rotating knob 44 is rotated in the opposite direction, thereby causing the first screw rod 45 to move downward. When the first screw rod 45 moves downward and re-engages with the cylindrical hole inside the first engaging block 48, the length of the workbench 2 can be adjusted. Whether to adjust another set of first extension plates 40 can be decided based on the actual needs of the maintenance personnel.

[0032] Furthermore, the top ends of the two sets of second screw rods 67 are welded together with the connecting sleeves 61, the top ends of the two sets of connecting sleeves 61 are welded together with the bottom end of the workbench 2, the two sets of connecting sleeves 61 are sleeved on the outside of the first connecting member 60, the two sets of first connecting members 60 are welded together with the top end of the moving device 1, the two sets of first connecting members 60 are welded together with the bottom end of the first sleeve 69, and the first connecting member 60 is provided with a cylindrical hole inside that matches the bottom end of the first sleeve 69;

[0033] During operation, the first worm gear 65 is threadedly connected to the second screw 67, and the rotation of the first worm gear 65 causes the second screw 67 to move upward. The top end of the second screw 67 is fixedly connected to the connecting sleeve 61, which then drives the connecting sleeve 61 to move upward outside the first connecting member 60. The top end of the connecting sleeve 61 is fixedly connected to the bottom end of the workbench 2, which then drives the workbench 2 to move upward, thereby driving the maintenance personnel to move upward. When the workbench 2 moves upward to a suitable position, the drive motor 62 can be stopped, and the power equipment can be repaired. The first connecting member 60 is fixedly connected to the first sleeve 69, and the first connecting member 60 is fixedly connected to the top of the mobile device 1. The first sleeve 69 is connected to the top of the mobile device 1 through the first connecting member 60.

[0034] Furthermore, the rotating knob 44 is provided with anti-slip grooves, and the rotating knob 44 is made of rubber material, and multiple groups of first engaging blocks 48 are provided, and the multiple groups of first engaging blocks 48 are welded together with the guardrail on the workbench 2, and the multiple groups of first engaging blocks 48 are provided with cylindrical holes engaged with the first screw 45 inside;

[0035] During operation, the rotating knob 44 is provided with anti-slip grooves, and the rotating knob 44 is made of rubber, so as to increase the friction between the hand and it, making it easier for the staff to turn it. Multiple groups of first engaging blocks 48 are fixedly connected to the guardrail on the workbench 2, and the first engaging blocks 48 are provided with cylindrical holes engaged with the first screw 45. Through the engagement of the first engaging blocks 48 and the first screw 45, the first sliding rod 42 can be more stably inserted into the inside of the workbench 2.

[0036] Furthermore, the bottom end of the driving motor 62 is welded to the motor connector 63, the motor connector 63 is designed in a rectangular shape, the motor connector 63 is welded to the right end of the first connecting plate 66, and the first connecting plate 66 is welded to the two sets of first sleeves 69;

[0037] During operation, the bottom end of the driving motor 62 is fixedly connected to the motor connector 63, the motor connector 63 is fixedly connected to the right end of the first connecting plate 66, the driving motor 62 is connected to the right end of the first connecting plate 66 through the motor connector 63, the first connecting plate 66 is fixedly connected to the two groups of first sleeves 69, thereby allowing the first worm gear 64 to rotate more stably inside the first connecting plate 66.

[0038] Working principle: When adjusting the length of the workbench 2, by turning the rotating knob 44, the rotating knob 44 is provided with anti-slip grooves, and the rotating knob 44 is made of rubber, so that the friction between the hand and it can be increased, so that it is convenient for the staff to rotate it, and the rotating knob 44 is fixedly connected to the first screw rod 45, and then drives the first screw rod 45 to rotate inside the first screw sleeve 46, the first screw rod 45 is threadedly connected to the first screw sleeve 46, and the first screw sleeve 46 is fixedly connected to the screw sleeve connecting plate 47, the first screw rod 45 rotates with the first screw sleeve 46, and then the first screw rod 45 moves upward inside the first engaging block 48, when the first screw rod 45 moves upward to completely disengage from the first engaging block 48, then the first screw rod 45 and the cylindrical hole inside the first engaging block 48 are no longer engaged, and then the first protective frame 41 is pushed to the left, Then the first protective frame 41 moves to the left, the first protective frame 41 is fixedly connected to the first extension plate 40, and then the first extension plate 40 is driven to slide to the left inside the workbench 2, the first protective frame 41 is also fixedly connected to the first sliding rod 42 and the second sliding rod 49, and then the first sliding rod 42 and the second sliding rod 49 are driven to slide to the left inside the workbench 2, the screw sleeve connecting plate 47 is fixedly connected to the first sliding rod 42, and then the screw sleeve connecting plate 47 is driven to slide to the left, when the first extension plate 40 slides to the left to a suitable position, the rotating knob 44 is rotated in the opposite direction, and then the first screw rod 45 moves downward, when the first screw rod 45 moves downward to re-engage with the cylindrical hole inside the first engaging block 48, the adjustment of the length of the workbench 2 can be completed, and whether to adjust another set of first extension plates 40 can be decided according to the actual needs of the maintenance personnel.

[0039] When repairing the power equipment, the mobile device 1 is pushed to drive the entire device to move to a suitable position. When the entire device moves to a suitable position, the roller at the bottom end of the mobile device 1 is engaged to prevent the entire device from sliding during work. The maintenance personnel then climb into the workbench 2 and start the drive motor 62. The output end of the drive motor 62 is fixedly connected to the right end of the first worm 64, and the left end of the first worm 64 is rotatably connected to the left end of the first connecting plate 66, which then drives the first worm 64 to rotate. The first worm 64 meshes with the two sets of first worm wheels 65, which then drives the two sets of first worm wheels 65 to rotate. The bottom end of the first worm wheel 65 is fixedly connected to the inner ring of the first bearing 68. The first bearing 68 The outer ring is fixedly connected to the inner wall of the first sleeve 69, so that the bottom end of the first worm gear 65 rotates in the inner ring of the first bearing 68, and the first worm gear 65 is sleeved on the outside of the second screw 67, and the first worm gear 65 is threadedly connected to the second screw 67. The rotation of the first worm gear 65 causes the second screw 67 to move upward, and the top end of the second screw 67 is fixedly connected to the connecting sleeve 61, which drives the connecting sleeve 61 to move upward on the outside of the first connecting member 60. The top end of the connecting sleeve 61 is fixedly connected to the bottom end of the workbench 2, which drives the workbench 2 to move upward, thereby driving the maintenance personnel to move upward. When the workbench 2 moves upward to a suitable position, the drive motor 62 can be stopped, and the power equipment can be repaired.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An electric power equipment maintenance device, comprising a mobile device (1), a workbench (2) being arranged on the top of the mobile device (1), characterized in that: Adjustment components are arranged on both sides of the workbench (2); The adjustment assembly comprises a rotating knob (44), the rotating knob (44) being arranged at the top end of the moving device (1), and the rotating knob (44) being arranged in two groups, the two groups of the rotating knob (44) being sleeved on the outside of the first screw rod (45), and the two groups of the rotating knob (44) being fixedly connected to the first screw rod (45), the outside of the two groups of the first screw rod (45) being sleeved with a first screw sleeve (46), and the two groups of the first screw rod (45) being threadedly connected to the first screw sleeve (46), and the two groups of the first screw rod (45) being threadedly connected to the first screw sleeve (46), and the two groups of the first screw rod (45) being threadedly connected to the first screw sleeve (46), and the two groups of the first screw rod (45) being threadedly connected to the first screw sleeve (46). The first screw sleeves (46) of the two groups all pass through the screw sleeve connecting plate (47), and the two groups of the first screw sleeves (46) are fixedly connected to the screw sleeve connecting plate (47), the bottom ends of the two groups of the first screw rods (45) are engaged with the first engaging block (48), the two groups of the screw sleeve connecting plates (47) all pass through the guardrail connected to the workbench (2), and the two groups of the screw sleeve connecting plates (47) are fixedly connected to the first sliding rod (42), and the top end of the moving device (1) and the bottom end of the workbench (2) are provided with a lifting assembly.

2. The power equipment maintenance device according to claim 1, characterized in that: The lifting assembly comprises a driving motor (62), wherein the driving motor (62) is arranged at the bottom end of the workbench (2), and the output end of the driving motor (62) passes through the right end of the first connecting plate (66), the output end of the driving motor (62) is fixedly connected to the right end of the first worm (64), the left end of the first worm (64) is rotatably connected to the left end of the first connecting plate (66), the first worm (64) is meshed with a first worm gear (65), two groups of the first worm gear (65) are provided, and the bottom ends of the two groups of the first worm gear (65) are fixedly connected to the inner ring of the first bearing (68), the outer rings of the two groups of the first bearing (68) are fixedly connected to the inner wall of the first sleeve (69), the outer parts of the two groups of the first worm gear (65) are sleeved with a second screw (67), and the two groups of the first worm gear (65) are threadedly connected to the second screw (67).

3. The power equipment maintenance device according to claim 2, characterized in that: Both groups of the first sliding rods (42) penetrate the workbench (2), and both groups of the first sliding rods (42) are slidably connected to the workbench (2). Both groups of the first sliding rods (42) are fixedly connected to the first protective frame (41), and both groups of the first protective frame (41) are fixedly connected to the first extension plate (40). Both groups of the first extension plates (40) penetrate the workbench (2), and both groups of the first extension plates (40) are slidably connected to the workbench (2). Both groups of the first protective frames (41) are fixedly connected to the second sliding rods (49), and both groups of the second sliding rods (49) penetrate the workbench (2), and both groups of the second sliding rods (49) are slidably connected to the workbench (2).

4. The power equipment maintenance device according to claim 3, characterized in that: The top ends of the two groups of the second screw rods (67) are fixedly connected to the connecting sleeves (61), the top ends of the two groups of the connecting sleeves (61) are fixedly connected to the bottom end of the workbench (2), the two groups of the connecting sleeves (61) are sleeved on the outside of the first connecting member (60), the two groups of the first connecting members (60) are fixedly connected to the top end of the moving device (1), and the two groups of the first connecting members (60) are fixedly connected to the bottom end of the first sleeve (69).

5. The power equipment maintenance device according to claim 4, characterized in that: The rotating knob (44) is provided with anti-slip grooves and is made of rubber material. The first engaging blocks (48) are provided in multiple groups, and the multiple groups of the first engaging blocks (48) are all fixedly connected to the guardrail on the workbench (2), and the interiors of the multiple groups of the first engaging blocks (48) are provided with cylindrical holes engaged with the first screw rod (45).

6. The power equipment maintenance device according to claim 5, characterized in that: The bottom end of the driving motor (62) is fixedly connected to the motor connecting member (63), the motor connecting member (63) is fixedly connected to the right end of the first connecting plate (66), and the first connecting plate (66) is fixedly connected to the two groups of first sleeves (69).

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