Toolbox for overhauling converter of wind turbine generator

Abstract

The utility model belongs to the technical field of tool boxes, and particularly relates to a wind turbine generator converter maintenance tool box which comprises a box body, sliding grooves are symmetrically formed in the two sides of the inner wall of the box body, sliding blocks are installed in the sliding grooves in a sliding mode, a first tool box is fixedly installed among the four sliding blocks, and two connecting rods are rotatably installed on the two sides of the first tool box. Second tool boxes are rotationally installed among the four connecting rods and located above and below the first tool boxes correspondingly, the connecting rods are located between the first tool boxes and the sliding blocks, threaded rods are rotationally installed in the two sliding grooves correspondingly, and the top ends of the threaded rods penetrate through the sliding blocks. According to the utility model, personnel can quickly find required tools and overhaul the converter of the wind turbine generator system, meanwhile, the two tool boxes II and the tool box I can store a large number of different tools, so that the personnel can use the tools conveniently, and the personnel can be ensured to stand to use the tools to overhaul the converter of the wind turbine generator system. And people do not need to squat to take tools, so that the tools are convenient to take and use.

Description

Technical Field

[0001] The utility model belongs to the technical field of tool boxes, and in particular relates to a maintenance tool box for a wind turbine converter. Background Art

[0002] The wind turbine generator set includes a wind rotor and a generator; the wind rotor contains blades, a hub, and reinforcements; it has the functions of generating electricity by rotating the blades under wind power and rotating the generator head. The wind power source consists of a wind turbine generator set, a tower supporting the generator set, a battery charging controller, an inverter, an unloader, a grid-connected controller, and a battery pack. The converter on the wind turbine generator set will be damaged during long-term use, and personnel are required to inspect and repair the converter of the wind turbine generator set.

[0003] For example, the Chinese patent with the publication number CN219134927U discloses a wind turbine inverter maintenance tool box, including an upper box, a lower box, a sponge, and a spare parts sponge. The utility model is characterized in that it also includes legs, light strips, wheels, and telescopic handles; the bottom of the lower box is provided with wheels, and the other end away from the wheels is provided with a telescopic handle. The side of the tool box is provided with grooves, and the legs are engaged in the grooves. The upper box is provided with a sponge, and the sponge has grooves for various tools. The sponge around the grooves is provided with light strips. The lower box is provided with a spare parts sponge, and the spare parts sponge has grooves of different sizes. The bottom of the spare parts sponge is provided with a battery pack. The utility model removes unnecessary tools and only places the necessary tools for maintenance. It also adds areas for placing computers, drawings, optical fibers, and areas for placing bolts, spare parts, etc., and is provided with legs that can be used as seats for workers to rest. It also provides telescopic handles and wheels for easy movement.

[0004] The above patent has the following problems:

[0005] This patent has some disadvantages when used, such as: the space for storing tools in this device is small, resulting in insufficient storage of tools, and when too many tools are stored, when personnel need to use a certain tool to repair the wind turbine converter, they need to search among multiple tools, which is inconvenient for personnel to take the required tools, and when personnel stand to use different tools, they need to squat back and forth to take the tools, which is inconvenient for personnel to take the required tools. In view of this, we propose a wind turbine converter maintenance tool box. Utility Model Content

[0006] The utility model aims to provide a wind turbine converter maintenance tool box to solve the problems raised in the above background technology.

[0007] In view of this, the utility model provides a wind turbine converter maintenance tool box, comprising:

[0008] A box body, wherein both sides of the inner wall of the box body are symmetrically provided with slide grooves, a slider is slidably installed in the slide grooves, a same tool box 1 is fixedly installed between four of the sliders, two connecting rods are rotatably installed on both sides of the tool box 1, a tool box 2 is rotatably installed between the four connecting rods and respectively located above and below the tool box 1, the connecting rod is located between the tool box 1 and the slider, wherein threaded rods are rotatably installed in two of the slide grooves, the top of the threaded rod passes through the slider, and the slider is threadedly connected to the threaded rod;

[0009] A power assembly, which is located in the box and is used to drive the two threaded rods to rotate;

[0010] A limiting assembly is located in tool box one and is used to fix one of the connecting rods.

[0011] In the present technical scheme, the limiting assembly is set, and the limiting assembly can release the limit of the connecting rod. Then, the two tool boxes two are rotated, and the two tool boxes two will drive the four connecting rods to rotate on the tool box one. At the same time, the two tool boxes two will rotate around the tool box one. When the top surfaces of the two tool boxes two are flush with the top surface of the tool box one, the connecting rod can be limited by the limiting assembly, so that the connecting rod cannot rotate, thereby making the two tool boxes two unable to rotate, ensuring that all the tools in the two tool boxes two and the tool box one can be displayed in front of the personnel, which is convenient for the personnel to select and use, ensuring that the personnel can quickly find the tools they need and repair the wind turbine converter. At the same time, the two tool boxes two and the tool box one can store a large number of different tools, which is convenient for the personnel to use;

[0012] The power assembly is driven by the set power assembly, and the power assembly drives the two threaded rods to rotate. Under the action of the threads, the two threaded rods will respectively drive the two sliders to move upward, and the two sliders will drive the tool box one to move upward. The tool box one will drive the two tool boxes two to move upward together through four connecting rods. When the tool box one and the two tool boxes two move to a position convenient for personnel to stand and take them, the worm gear is stopped to ensure that when personnel use tools to repair the wind turbine converter while standing, they do not need to squat to take the tools, which is more convenient for personnel to take and use.

[0013] In the above technical solution, further, the power assembly includes:

[0014] A rectangular groove is provided in the box body and is located at the top of two of the slide grooves. Two worm wheels are rotatably installed in the rectangular groove, and the bottom ends of the two worm wheels pass through the bottom of the rectangular groove and are coaxially connected to the corresponding threaded rods. A worm is meshingly installed in the rectangular groove and located on one side of the two worm wheels, and one end of the worm passes through one side of the rectangular groove and extends to the outside.

[0015] In the present technical solution, the worm is rotated, and under the action of meshing, the rotation of the worm will drive the two worm wheels to rotate, and the rotation of the two worm wheels will respectively drive the two threaded rods to rotate. Under the action of the thread, the two threaded rods will respectively drive the two sliders to move upward, and the two sliders will drive tool box one to move upward. Tool box one will drive the two tool boxes two to move upward together through four connecting rods. When tool box one and the two tool boxes two move to a position convenient for personnel to stand and take them, the worm is stopped from rotating, ensuring that personnel do not need to squat to take the tools when standing and using tools to repair the wind turbine inverter, which is more convenient for personnel to take and use.

[0016] In the above technical solution, further, the worm is rotatably connected to the rectangular slot and the box body.

[0017] In this technical solution, it is ensured that the worm can rotate normally in the rectangular groove and the box body.

[0018] In the above technical solution, further, the limit assembly includes:

[0019] A limiting groove is provided in a tool box, a limiting block is slidably installed in the limiting groove, and one end of the limiting block passes through one side of the limiting groove and extends into the connecting rod, a pull rod is fixedly installed on the other end of the limiting block, and one end of the pull rod passes through the other side of the limiting groove and extends to the outside, and a spring is sleeved on the pull rod and located in the limiting groove.

[0020] In the present technical scheme, when the pull rod is pulled, the pull rod will drive the limit block to move in the limit groove. When the limit block moves, it will squeeze the spring to contract. When one end of the limit block is detached from the connecting rod, the limit block can release the limit on the connecting rod. Then, the two tool boxes two are rotated, and the two tool boxes two will drive the four connecting rods to rotate on the tool box one. At the same time, the two tool boxes two will rotate around the tool box one. When the top surfaces of the two tool boxes two are flush with the top surface of the tool box one, under the action of the spring rebound force, the spring will squeeze the limit block to move in the limit groove, and when one end of the limit block is inserted into the connecting rod, the limit block can limit the connecting rod, so that the connecting rod cannot rotate, thereby making the two tool boxes two unable to rotate, ensuring that all the tools in the two tool boxes two and the tool box one can be displayed in front of the personnel, which is convenient for the personnel to select and use, and ensuring that the personnel can quickly find the tools they need and repair the wind turbine converter.

[0021] In the above technical solution, further, one end of the limit block is plugged into the connecting rod, the pull rod is slidably connected to the limit groove, one end of the pull rod is slidably connected to the tool box, and both ends of the spring are tightly welded to the limit block and the inner wall of the limit groove respectively.

[0022] In this technical solution, it is ensured that one end of the limit block can be inserted into the connecting rod, that the pull rod can slide normally in the limit groove, that one end of the pull rod can slide normally in the tool box, and that the structure of the spring is stable.

[0023] In the above technical solution, further, sealing doors are rotatably installed on both sides of the box body, the same sealing cover is plugged into the top of the two sealing doors, two magnets 1 are fixedly installed on one side of the two sealing doors close to the box body, two magnets 2 are fixedly installed on both sides of the box body, and the four magnets 1 correspond to the four magnets 2 one by one, and universal wheels are fixedly installed at the bottom of the box body and near the four corners.

[0024] In this technical solution, the sealing cover is first removed from the two sealing doors, and then the two sealing doors are rotated outward with force to release the connection between magnet one and magnet two. The box can be opened to ensure that it is convenient for personnel to take tools. With the help of four universal wheels, it is convenient for personnel to move the entire device.

[0025] In the above technical solution, further, the magnet one is magnetically connected to the magnet two.

[0026] In this technical solution, it is ensured that the first magnet can be attracted to the second magnet.

[0027] The beneficial effects of the utility model are:

[0028] 1. The wind turbine converter maintenance tool box has a limit component that can release the limit on the connecting rod. Then, the two tool boxes two are rotated, and the two tool boxes two will drive the four connecting rods to rotate on the tool box one. At the same time, the two tool boxes two will rotate around the tool box one. When the top surfaces of the two tool boxes two are flush with the top surface of the tool box one, the connecting rod can be limited by the limit component, so that the connecting rod cannot rotate, thereby making the two tool boxes two unable to rotate, ensuring that all the tools in the two tool boxes two and the tool box one can be displayed in front of the personnel, so that the personnel can select and use them, and ensure that the personnel can quickly find the tools they need and repair the wind turbine converter. At the same time, the two tool boxes two and the tool box one can store a large number of different tools for the convenience of personnel.

[0029] 2. The wind turbine converter maintenance tool box drives the power component through the power component set, and the power component drives the two threaded rods to rotate. Under the action of the threads, the two threaded rods will respectively drive the two sliders to move upward, and the two sliders will drive the tool box one to move upward. The tool box one will drive the two tool boxes two to move upward together through four connecting rods. When the tool box one and the two tool boxes two are moved to a position convenient for personnel to stand and take them, the worm gear is stopped to ensure that when personnel use tools to repair the wind turbine converter while standing, they do not need to squat to take the tools, which is more convenient for personnel to take and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2 It is a schematic diagram of the detailed internal structure of the box in the utility model;

[0032] Figure 3 It is a schematic diagram of the cross-sectional structure of the box body in the utility model;

[0033] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0034] Figure 5 It is a cross-sectional structural diagram of a tool box 1 in the utility model;

[0035] Figure 6 For this utility model Figure 5 The enlarged structural diagram at B in the middle;

[0036] Figure 7 It is a schematic diagram of the structure of the tool box 1 and the slider in the utility model;

[0037] Figure 8 This is a schematic diagram of the regional structure of the box in the utility model

[0038] Fig. 9 The schematic diagram of the local structure of the connecting rod in the utility model is as follows

[0039] Fig.10 This is one of the structural diagrams of the overall device in the utility model.

[0040] Fig.11 This is the second structural diagram of the overall device in the utility model.

[0041] The symbols in the figure are:

[0042] 1. Box body; 2. Slide groove; 3. Sliding block; 4. Tool box one; 5. Connecting rod; 6. Tool box two; 7. Limiting groove; 8. Limiting block; 9. Pull rod; 10. Spring; 11. Threaded rod; 12. Rectangular groove; 13. Worm gear; 14. Worm; 15. Sealing door; 16. Sealing cover; 17. Magnet one; 18. Magnet two; 19. Universal wheel. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0044] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0045] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0046] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0047] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0048] Embodiment 1:

[0049] See also Figure 1 - Fig.11 As shown, this embodiment provides a wind turbine converter maintenance tool box, including:

[0050] Box body 1, both sides of the inner wall of the box body 1 are symmetrically provided with slide grooves 2, a slider 3 is slidably installed in the slide grooves 2, a same tool box 1 4 is fixedly installed between four sliders 3, two connecting rods 5 are rotatably installed on both sides of the tool box 1 4, tool box 2 6 is rotatably installed between the four connecting rods 5 and respectively located above and below the tool box 1 4, the connecting rod 5 is located between the tool box 1 4 and the slider 3, wherein threaded rods 11 are rotatably installed in two slide grooves 2, the top of the threaded rod 11 passes through the slider 3, and the slider 3 is threadedly connected to the threaded rod 11;

[0051] A power assembly, which is located in the housing 1 and is used to drive the two threaded rods 11 to rotate;

[0052] The limiting assembly is located in the tool box 1 4 and is used to fix one of the connecting rods 5 .

[0053] Among them, through the setting of the limiting component, the limiting component can release the limit of the connecting rod 5, and then rotate the two tool boxes 2 6, the two tool boxes 2 6 will drive the four connecting rods 5 to rotate on the tool box 1 4, and the two tool boxes 2 6 will rotate around the tool box 1 4. When the top surfaces of the two tool boxes 2 6 are flush with the top surface of the tool box 1 4, the connecting rod 5 can be limited by the limiting component, so that the connecting rod 5 cannot rotate, thereby making the two tool boxes 2 6 unable to rotate, ensuring that all the tools in the two tool boxes 2 6 and the tool box 1 4 can be displayed in front of the personnel, which is convenient for the personnel to select and use, ensuring that the personnel can quickly find the tools they need and repair the wind turbine converter. At the same time, the two tool boxes 2 6 and the tool box 1 4 can store a large number of different tools for easy use by personnel;

[0054] By setting a power component to drive the power component, the power component drives the two threaded rods 11 to rotate. Under the action of the thread, the two threaded rods 11 will respectively drive the two sliders 3 to move upward, and the two sliders 3 will drive the tool box 1 4 to move upward. The tool box 1 4 will drive the two tool boxes 2 6 to move upward together through four connecting rods 5. When the tool box 1 4 and the two tool boxes 2 6 move to a position convenient for personnel to stand and take them, the worm 14 is stopped from rotating, ensuring that when personnel use tools to repair the wind turbine converter while standing, they do not need to squat to take the tools, which is more convenient for personnel to take and use.

[0055] Embodiment 2:

[0056] This embodiment provides a wind turbine converter maintenance tool box, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the power assembly includes:

[0057] A rectangular groove 12 is provided in the box body 1 and is located at the top of two of the slide grooves 2. Two worm gears 13 are rotatably installed in the rectangular groove 12, and the bottom ends of the two worm gears 13 pass through the bottom of the rectangular groove 12 and are coaxially connected to the corresponding threaded rod 11. A worm 14 is meshingly installed in the rectangular groove 12 and located on one side of the two worm gears 13, and one end of the worm 14 passes through one side of the rectangular groove 12 and extends to the outside.

[0058] Among them, by rotating the worm 14, under the action of meshing, the rotation of the worm 14 will drive the two worm wheels 13 to rotate, and the rotation of the two worm wheels 13 will respectively drive the two threaded rods 11 to rotate. Under the action of the thread, the two threaded rods 11 will respectively drive the two sliders 3 to move upward, and the two sliders 3 will drive the tool box 1 4 to move upward. The tool box 1 4 will drive the two tool boxes 2 6 to move upward together through four connecting rods 5. When the tool box 1 4 and the two tool boxes 2 6 move to a position convenient for personnel to stand and take them, stop rotating the worm 14 to ensure that when personnel use tools to inspect the wind turbine converter while standing, they do not need to squat to take the tools, which is more convenient for personnel to take and use.

[0059] Embodiment 3:

[0060] This embodiment provides a wind turbine converter maintenance tool box, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the worm 14 is rotatably connected to the rectangular slot 12 and the box body 1.

[0061] Herein, it is ensured that the worm 14 can rotate normally in the rectangular groove 12 and the housing 1 .

[0062] Embodiment 4:

[0063] This embodiment provides a wind turbine converter maintenance tool box, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the limit assembly includes:

[0064] A limiting groove 7 is provided in the tool box 4, a limiting block 8 is slidably installed in the limiting groove 7, and one end of the limiting block 8 passes through one side of the limiting groove 7 and extends into the connecting rod 5, a pull rod 9 is fixedly installed on the other end of the limiting block 8, and one end of the pull rod 9 passes through the other side of the limiting groove 7 and extends to the outside, and a spring 10 is sleeved on the pull rod 9 and located in the limiting groove 7.

[0065] Among them, when the pull rod 9 is pulled, the pull rod 9 will drive the limit block 8 to move in the limit groove 7. When the limit block 8 moves, it will squeeze the spring 10 to contract. When one end of the limit block 8 is disengaged from the connecting rod 5, the limit block 8 can release the limit on the connecting rod 5. Then, the two tool boxes 2 6 are rotated. The two tool boxes 2 6 will drive the four connecting rods 5 to rotate on the tool box 1 4. At the same time, the two tool boxes 2 6 will rotate around the tool box 1 4. When the top surfaces of the two tool boxes 2 6 are flush with the top surface of the tool box 1 4, Under the action of the rebound force of the spring 10, the spring 10 will squeeze the limit block 8 to move in the limit groove 7. When one end of the limit block 8 is inserted into the connecting rod 5, the limit block 8 can limit the connecting rod 5, so that the connecting rod 5 cannot rotate, thereby making the two tool boxes 2 6 unable to rotate, ensuring that all the tools in the two tool boxes 2 6 and tool box 1 4 can be displayed in front of the personnel, facilitating the personnel to select and use, and ensuring that the personnel can quickly find the tools they need and repair the wind turbine converter.

[0066] Embodiment 5:

[0067] The present embodiment provides a wind turbine inverter maintenance tool box, which, in addition to the technical solutions of the above-mentioned embodiments, also has the following technical features: one end of the limit block 8 is plugged into the connecting rod 5, the pull rod 9 is slidably connected to the limit groove 7, one end of the pull rod 9 is slidably connected to the tool box 4, and the two ends of the spring 10 are tightly welded to the limit block 8 and the inner wall of the limit groove 7 respectively.

[0068] Among them, it is ensured that one end of the limit block 8 can be inserted into the connecting rod 5, that the pull rod 9 can slide normally in the limit groove 7, that one end of the pull rod 9 can slide normally in the tool box 4, and that the structure of the spring 10 is stable.

[0069] Embodiment 6:

[0070] The present embodiment provides a wind turbine inverter maintenance tool box, which, in addition to the technical solutions of the above-mentioned embodiments, also has the following technical features: sealing doors 15 are rotatably installed on both sides of the box body 1, and the same sealing cover 16 is plugged and installed on the top of the two sealing doors 15, and two magnets 17 are fixedly installed on one side of the two sealing doors 15 close to the box body 1, and two magnets 2 18 are fixedly installed on both sides of the box body 1, and the four magnets 17 and the four magnets 2 18 correspond one to one, and universal wheels 19 are fixedly installed at the bottom of the box body 1 and near the four corners.

[0071] Among them, first remove the sealing cover 16 from the two sealing doors 15, and then rotate the two sealing doors 15 outward with force to release the connection between magnet 17 and magnet 2 18, so that the box body 1 can be opened to ensure that it is convenient for personnel to take tools. With the action of the four universal wheels 19, it is convenient for personnel to move the entire device.

[0072] Embodiment 7:

[0073] This embodiment provides a wind turbine converter maintenance tool box, which, in addition to the technical solutions of the above embodiments, also has the following technical features: magnet 17 is magnetically connected to magnet 2 18.

[0074] Here, it is ensured that the magnet 17 can be attracted to the magnet 2 18 .

[0075] It is worth noting that since the worm 14 and the two worm wheels 13 are self-locking when rotating, it can ensure that when the worm 14 stops rotating, the two worm wheels 13 will not rotate, ensuring that the tool box 1 4 and the two tool boxes 2 6 will not drop in height due to gravity, thereby ensuring structural stability.

[0076] Working principle: When using this device, first pull out the sealing cover 16 from the two sealing doors 15, then rotate the two sealing doors 15 outward with force to release the connection between magnet 1 17 and magnet 2 18, then pull the pull rod 9, the pull rod 9 will drive the limit block 8 to move in the limit groove 7, and the limit block 8 will squeeze the spring 10 to contract when it moves. When one end of the limit block 8 is detached from the connecting rod 5, the limit block 8 can release the limit on the connecting rod 5, and then rotate the two tool boxes 2 6, the two tool boxes 2 6 will drive the four connecting rods 5 to rotate on the tool box 1 4, and at the same time, the two tool boxes 2 6 will surround the tool The tool box 1 4 rotates, and when the top surfaces of the two tool boxes 2 6 are flush with the top surfaces of the tool box 1 4, under the action of the rebound force of the spring 10, the spring 10 will squeeze the limit block 8 to move in the limit groove 7. When one end of the limit block 8 is inserted into the connecting rod 5, the limit block 8 can limit the connecting rod 5, so that the connecting rod 5 cannot rotate, thereby making the two tool boxes 2 6 unable to rotate, ensuring that all the tools in the two tool boxes 2 6 and the tool box 1 4 can be displayed in front of the personnel, which is convenient for the personnel to select and use, and ensuring that the personnel can quickly find the tools they need and repair the wind turbine converter;

[0077] When a person is standing to work, the worm 14 can be rotated. Under the action of meshing, the rotation of the worm 14 will drive the two worm wheels 13 to rotate, and the rotation of the two worm wheels 13 will respectively drive the two threaded rods 11 to rotate. Under the action of the threads, the two threaded rods 11 will respectively drive the two sliders 3 to move upward, and the two sliders 3 will drive the tool box 1 4 to move upward. The tool box 1 4 will drive the two tool boxes 2 6 to move upward together through four connecting rods 5. When the tool box 1 4 and the two tool boxes 2 6 move to a position convenient for a person to stand and take them, the worm 14 is stopped from rotating, ensuring that when a person is standing and using tools to repair the wind turbine converter, he does not need to squat to take the tools, which is more convenient for the person to take and use.

[0078] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A wind turbine converter maintenance tool box, characterized in that: include: A box body (1), wherein both sides of the inner wall of the box body (1) are symmetrically provided with slide grooves (2), a slider (3) is slidably installed in the slide grooves (2), a same tool box (4) is fixedly installed between four of the sliders (3), two connecting rods (5) are rotatably installed on both sides of the tool box (4), a tool box (6) is rotatably installed between the four connecting rods (5) and respectively located above and below the tool box (4), the connecting rod (5) is located between the tool box (4) and the slider (3), wherein threaded rods (11) are rotatably installed in two of the slide grooves (2), the top end of the threaded rod (11) passes through the slider (3), and the slider (3) is threadedly connected to the threaded rod (11); A power assembly, the power assembly is located in the housing (1) and is used to drive the two threaded rods (11) to rotate; A limiting assembly, the limiting assembly is located in the tool box (4) and is used to fix one of the connecting rods (5).

2. A wind turbine converter maintenance toolbox according to claim 1, characterized in that: The power assembly comprises: A rectangular groove (12) is provided in the box body (1) and is located at the top of two of the slide grooves (2); two worm wheels (13) are rotatably mounted in the rectangular groove (12); the bottom ends of the two worm wheels (13) penetrate the bottom of the rectangular groove (12) and are coaxially connected to the corresponding threaded rod (11); a worm (14) is meshingly mounted in the rectangular groove (12) and is located at one side of the two worm wheels (13); one end of the worm (14) penetrates one side of the rectangular groove (12) and extends to the outside.

3. A wind turbine converter maintenance toolbox according to claim 2, characterized in that: The worm (14) is rotationally connected to the rectangular slot (12) and the box body (1).

4. A wind turbine converter maintenance toolbox according to claim 1, characterized in that: The limiting component comprises: A limit groove (7), wherein the limit groove (7) is provided in a tool box (4), a limit block (8) is slidably installed in the limit groove (7), and one end of the limit block (8) passes through one side of the limit groove (7) and extends into the connecting rod (5), a pull rod (9) is fixedly installed on the other end of the limit block (8), and one end of the pull rod (9) passes through the other side of the limit groove (7) and extends to the outside, and a spring (10) is sleeved on the pull rod (9) and located in the limit groove (7).

5. A wind turbine converter maintenance toolbox according to claim 4, characterized in that: One end of the limit block (8) is plugged into the connecting rod (5), the pull rod (9) is slidably connected to the limit groove (7), one end of the pull rod (9) is slidably connected to the tool box (4), and the two ends of the spring (10) are tightly welded to the limit block (8) and the inner wall of the limit groove (7), respectively.

6. A wind turbine converter maintenance tool box according to claim 1, characterized in that: Sealing doors (15) are rotatably mounted on both sides of the box body (1), a same sealing cover (16) is plugged and mounted on the tops of the two sealing doors (15), two magnets (17) are fixedly mounted on one side of the two sealing doors (15) close to the box body (1), two magnets (18) are fixedly mounted on both sides of the box body (1), and the four magnets (17) and the four magnets (18) correspond to each other one by one, and universal wheels (19) are fixedly mounted on the bottom of the box body (1) and close to the four corners.

7. A wind turbine converter maintenance tool box according to claim 6, characterized in that: The magnet one (17) is magnetically connected to the magnet two (18).

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