Disassembly tools

Abstract

The present disclosure relates to a disassembly and assembly tool, comprising a connecting assembly, a first rod body, a second rod body and a first sleeve, wherein the connecting assembly comprises a first plate body and a second plate body connected to each other at an angle, the first plate body is provided with a first notch, and the second plate body is provided with a second notch; the first rod body comprises a control end and a transmission end, the transmission end is located at the inner side of the connecting assembly after passing through the first notch, and the transmission end is provided with a first transmission member; the second rod body comprises a driven end and a disassembly and assembly end, the driven end is located at the inner side of the connecting assembly after passing through the second notch, the driven end is provided with a second transmission member transmission-connected to the first transmission member, and the disassembly and assembly end is used for disassembling and assembling bolts; one end of the first sleeve is connected to the first plate body and is sleeved on the first rod body, and a plurality of bearings sleeved on the first rod body at intervals along the length direction of the first rod body are provided in the first sleeve.

Description

Technical Field

[0001] The present disclosure relates to the technical field of electric power tools, and in particular, to a disassembly and assembly tool. Background Art

[0002] The cooling fan of a wind turbine is prone to damage after long-term operation, and needs to be disassembled and replaced. However, the fixing bolts of the cooling fan are usually located in a relatively narrow area of ​​the wind turbine, and need to be disassembled and installed using multi-section extension rods and universal joints. In addition, during the process of disassembling and assembling the bolts, due to the large number of sections of the extension rod, it is easy to shake during the process of tightening the bolts. In addition, during the process of rotating and tightening the bolts, the extension rod itself is prone to produce a large deformation due to the change in torque, and thus the entire torque cannot be applied to the bolts, resulting in low disassembly and assembly efficiency. Utility Model Content

[0003] The purpose of the present disclosure is to provide a disassembly and assembly tool, which can increase the torque acting on the bolts, thereby improving the disassembly and assembly efficiency of the wind turbine cooling fan bolts, so as to at least partially solve the above technical problems.

[0004] In order to achieve the above-mentioned objectives, the present disclosure provides a disassembly and assembly tool, including: a connecting assembly, including a first plate body and a second plate body connected to each other at an angle, the first plate body being provided with a first notch, and the second plate body being provided with a second notch; a first rod body, including a control end and a transmission end, the transmission end being located at the inner side of the connecting assembly after passing through the first notch, and a first transmission member being provided on the transmission end; a second rod body, including a driven end and a disassembly and assembly end, the driven end being located at the inner side of the connecting assembly after passing through the second notch, the driven end being provided with a second transmission member transmission-connected to the first transmission member, and the disassembly and assembly end being used for disassembling and assembling bolts; and a first sleeve, one end of which is connected to the first plate body and sleeved on the first rod body, a plurality of bearings sleeved on the first rod body at intervals along the length direction of the first rod body being provided in the first sleeve.

[0005] Optionally, the number of the bearings in the first sleeve is three, two of which are located at two ends of the first sleeve, and the other bearing is located in the middle of the first sleeve in the length direction.

[0006] Optionally, the first transmission member is configured as a first bevel gear, and the second transmission member is configured as a second bevel gear meshed with the first bevel gear.

[0007] Optionally, the control end is provided with an operating part for driving the first rod body to rotate.

[0008] Optionally, the disassembly and assembly tool further includes a second sleeve, one end of which is connected to the second plate body and sleeved on the second rod body, and a plurality of the bearings are installed in the second sleeve at intervals along the length direction of the second rod body.

[0009] Optionally, there are two bearings in the second sleeve, and the two bearings are respectively located at two ends of the second sleeve.

[0010] Optionally, the disassembly end includes a slot connected to the second rod body; and a plug detachably connected to the slot, and the plug is used for disassembling the bolt.

[0011] Optionally, the second rod body is provided with a limiting portion, and the limiting portion is used to limit the bearing in the second sleeve at one end away from the second transmission member.

[0012] Optionally, the length of the first rod body is 40 cm, and the length of the second rod body is 8 cm.

[0013] Optionally, an outer side wall of the first sleeve is provided with an anti-slip portion.

[0014] Through the above technical solution, that is, the disassembly and assembly tool provided by the present invention, when disassembling and replacing the bolts of the cooling fan of the wind turbine set, the disassembly and assembly end of the disassembly and assembly tool can be connected to the bolt, and the control end of the first rod body can be held by hand to rotate. When the first rod body rotates, the second rod body can be driven to rotate through the transmission connection between the first transmission member and the second transmission member, and then the disassembly and assembly end can be driven to rotate to achieve the installation and disassembly of the bolt. In addition, in the process of disassembling the bolt by using the disassembly and assembly tool, the first rod body can also be supported by multiple bearings in the first sleeve, so as to reduce the deformation of the first rod body caused by torque changes during rotation, so that more torque can be applied to the bolt to be disassembled, thereby improving the disassembly and assembly efficiency of the bolts of the cooling fan of the wind turbine set.

[0015] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0017] Figure 1 Schematic diagram of the structure of the disassembly and assembly tool provided in an exemplary embodiment of the present disclosure.

[0018] Description of Reference Numerals

[0019] 1-first rod body; 101-control end; 1011-operating part; 102-transmission end; 110-first transmission member; 2-second rod body; 201-driven end; 202-disassembly end; 2021-slot; 2022-plug; 203-limiting part; 210-second transmission member; 3-connecting assembly; 310-first plate body; 311-first notch; 320-second plate body; 321-second notch; 4-first sleeve; 5-second sleeve; 6-bearing. DETAILED DESCRIPTION

[0020] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0021] In the present disclosure, unless otherwise stated, directional words such as "inside and outside" refer to the inside and outside relative to the outline of the component or structure itself; "first, second" and the like are to distinguish one element from another and have no order or importance.

[0022] The present invention provides a disassembly and assembly tool, referring to Figure 1 As shown, the disassembly and assembly tool includes a connecting assembly 3, a first rod body 1, a second rod body 2 and a first sleeve 4. The connecting assembly 3 includes a first plate body 310 and a second plate body 320 connected to each other at an angle. The first plate body 310 is provided with a first notch 311, and the second plate body 320 is provided with a second notch 321. The first rod body 1 includes a control end 101 and a transmission end 102. The transmission end 102 passes through the first notch 311 and is located on the inner side of the connecting assembly 3. The transmission end 102 is provided with a first transmission member 110; the second rod body 2 includes a driven end 201 and a disassembly end 202. The driven end 201 is located on the inner side of the connecting component 3 after passing through the second slot 321. The driven end 201 is provided with a second transmission member 210 which is transmission-connected to the first transmission member 110. The disassembly end 202 is used for disassembling bolts; one end of the first sleeve 4 is connected to the first plate body 310 and is sleeved on the first rod body 1. The first sleeve 4 is provided with a plurality of bearings 6 which are sleeved on the first rod body 1 at intervals along the length direction of the first rod body 1.

[0023] Through the above scheme, that is, the disassembly and assembly tool provided by the present invention, when disassembling and replacing the bolts of the cooling fan of the wind turbine generator set, the disassembly and assembly end 202 of the disassembly and assembly tool can be connected to the bolt, and the control end 101 of the first rod body 1 can be held by hand to rotate. When the first rod body 1 rotates, the second rod body 2 can be driven to rotate through the transmission connection between the first transmission member 110 and the second transmission member 210, and then the disassembly and assembly end 202 can be driven to rotate to achieve the installation and disassembly of the bolt. In addition, in the process of disassembling the bolt by using the disassembly and assembly tool, the first rod body 1 can also be supported by multiple bearings 6 in the first sleeve 4, so as to reduce the deformation of the first rod body 1 caused by the torque change during the rotation process, so that more torque can be applied to the bolt to be disassembled, thereby improving the disassembly and assembly efficiency of the bolts of the cooling fan of the wind turbine generator set.

[0024] It should be noted that the first transmission member 110 and the second transmission member 210 mentioned in the above specific embodiments can be constructed as any suitable transmission member. For example, the first transmission member 110 and the second transmission member 210 can be respectively constructed as two interconnected joints of a universal joint. When the first rod body 1 rotates, the first transmission member 110 can transmit the rotational motion of the first rod body 1 to the second transmission member 210, thereby driving the second rod body 2 to rotate. Alternatively, the first transmission member 110 and the second transmission member 210 can also be respectively constructed as two meshing gears. The linked rotation between the first rod body 1 and the second rod body 2 can also be achieved through gear transmission. The present disclosure does not make specific limitations on this.

[0025] In addition, the angle between the first plate 310 and the second plate 320 can also be selected as any appropriate angle according to actual conditions, and the present disclosure does not specifically limit this. For example, since the installation position of the bolts of the cooling fan of the wind turbine is usually located in a relatively narrow and long space, the angle between the first plate 310 and the second plate 320 can be designed as a 90° right-angle connection. In this connection form, reference Figure 1 As shown, the disassembly tool can drive the relatively short second rod body 2 through the longer first rod body 1 to extend into the narrow and long space where the bolt is installed, so as to conveniently realize the process of disassembling and assembling the bolt.

[0026] In some embodiments, reference Figure 1As shown, there are three bearings 6 in the first sleeve 4, two of which are located at the two ends of the first sleeve 4, and the other bearing 6 is located in the middle of the length direction of the first sleeve 4. In this way, when the first rod 1 rotates, the three bearings 6 can support the first rod 1 at different positions in the first sleeve 4, so as to reduce the deformation of the first rod 1 caused by the change of torque during the rotation process, so as to be able to transmit more torque to the second rod 2, and then the bolts of the cooling fan of the wind turbine can be more conveniently disassembled and assembled.

[0027] It should be noted that, in the above embodiment, the number of bearings 6 located inside the first sleeve 4 can be arbitrary and is not limited to three in the above specific embodiment. The number of bearings 6 can also be four, five or more. The number of bearings 6 inside the first sleeve 4 can be adaptively increased or decreased according to the actual application scenario, and the present disclosure does not make specific limitations on this.

[0028] In some embodiments, reference Figure 1 As shown, the first transmission member 110 is configured as a first bevel gear, and the second transmission member 210 is configured as a second bevel gear meshed with the first bevel gear. In this way, when the first rod body 1 rotates, the first bevel gear will be driven to rotate, and the second rod body 2 can rotate through the meshing transmission of the first bevel gear and the second bevel gear, and then the bolts of the cooling fan of the wind turbine can be disassembled and assembled through the disassembly end 202 at the other end of the second rod body 2, and this transmission method through the bevel gear can further increase the torque acting on the bolts and improve the efficiency of disassembly and assembly of the bolts.

[0029] In some embodiments, reference Figure 1 As shown, the control end 101 is provided with an operating portion 1011 for driving the first rod body 1 to rotate. In this way, the operating portion 1011 can be more convenient for the staff to hold, and then the first rod body 1 can be rotated more effortlessly. For example, Figure 1 As shown, the operating portion 1011 can be an operating handle located at one end of the first rod body 1, and the inner wall of the operating handle can be provided with a hexagonal hole. Under this arrangement, the staff can choose to directly rotate the operating handle manually, or insert an external tool such as a hexagonal wrench into the hexagonal hole and rotate the hexagonal wrench to drive the first rod body 1 to rotate, so that the first rod body 1 can be rotated more labor-savingly to achieve the disassembly and assembly process of the bolt.

[0030] In some embodiments, reference Figure 1As shown, the disassembly and assembly tool also includes a second sleeve 5, one end of which is connected to the second plate 320 and sleeved on the second rod 2, and a plurality of bearings 6 are installed in the second sleeve 5 at intervals along the length direction of the second rod 2. In this way, when the second rod 2 rotates, it can also be supported by the plurality of bearings 6 inside the second sleeve 5, thereby reducing the deformation amount of the second rod 2 caused by the change of torque during the rotation process, so that the torque from the first rod 1 can act more on the bolt, thereby improving the disassembly and assembly efficiency of the cooling fan of the wind turbine.

[0031] In some embodiments, reference Figure 1 As shown, there are two bearings 6 in the second sleeve 5, and the two bearings 6 are respectively located at both ends of the second sleeve 5. In this arrangement, when the second rod 2 rotates, the two bearings 6 can support the second rod 2 at both ends of the second sleeve 5, so as to reduce the deformation of the second rod 2 caused by the change of torque during the rotation process, so as to be able to transmit more torque to the bolt, and then the bolt can be more conveniently disassembled.

[0032] It should be noted that the number of bearings 6 can be adaptively increased or decreased according to the actual length of the second rod body 2 and the second sleeve 5, and is not limited to the two specified in the above specific implementation manner. If a longer second rod body 2 and second sleeve 5 are used, the number of bearings 6 in the second sleeve 5 can also be three, four or more, and the present disclosure does not make specific limitations on this.

[0033] In some embodiments, reference Figure 1 As shown, the disassembly end 202 includes a slot 2021 connected to the second rod body 2; and a plug 2022 detachably connected to the slot 2021, and the plug 2022 is used to disassemble the bolt. In this way, the connection between the slot 2021 and the plug 2022 is designed to be detachable, and the plug 2022 of the appropriate size can be selected according to the size of the bolt, so that the bolts of different sizes can be rotated and disassembled.

[0034] In some embodiments, reference Figure 1 As shown, the second rod body 2 is provided with a limiting portion 203, and the limiting portion 203 is used to limit the bearing 6 in the second sleeve 5 away from the end of the second transmission member 210. In this way, the limiting portion 203 can limit the bearing 6 in the second sleeve 5, thereby preventing the bearing 6 from being separated from the second sleeve 5. For details, please refer to Figure 1 As shown, when it is necessary to Figure 1When the disassembly tool is used in the direction of, that is, the bolt to be disassembled is in the vertical direction, the second rod body 2 needs to be rotated with the vertical direction as the axis. In this state, the limiting portion 203 is actually a thicker rod segment with a diameter larger than the second rod body 2 itself. In this way, when the second rod body 2 rotates, the end face of the thicker rod segment below can support the bearing 6, thereby preventing the bearing 6 from falling along the second rod body 2 in the vertical direction and detaching from the second sleeve 5, so that the bearing 6 can always be inside the second sleeve 5 to support the second rod body 2.

[0035] In some embodiments, reference Figure 1 As shown, the length of the first rod body 1 is 40 cm, and the length of the second rod body 2 is 8 cm. With this arrangement, the longer first rod body 1 can drive the second rod body 2 to extend into the relatively narrow installation position of the fixing bolt of the cooling fan, thereby making it more convenient to disassemble and assemble the fixing bolt.

[0036] In some embodiments, reference Figure 1 As shown, the outer wall of the first sleeve 4 is provided with an anti-skid portion. In this way, the anti-skid portion of the outer wall of the first sleeve 4 can be easily held by the staff, thereby preventing slipping during the process of disassembling and assembling the bolt, that is, when the staff disassembles and assembles the spiral, they can hold the anti-skid portion of the outer wall of the first sleeve 4 with one hand, and hold the operating part 1011 with the other hand to rotate the first rod body 1, thereby more stably disassembling and assembling the bolt. In addition, it should be noted that the anti-skid portion can be any structure with an anti-skid function, for example, the anti-skid portion can be a rubber sleeve sleeved on the outer wall of the first sleeve 4, or an anti-skid pattern directly provided on the outer wall of the first sleeve 4, etc., and the present disclosure does not make specific limitations on this.

[0037] The present disclosure exemplarily describes the specific process of disassembling and assembling the fixing bolts of the cooling fan of a wind turbine generator set using the disassembly and assembly tool, which may include the following steps:

[0038] After predetermining the position of the mounting bolts of the cooling fan of the wind turbine generator set, insert the first rod body 1 and the second rod body 2 of the disassembly and assembly tool into the relatively narrow bolt installation position, align the plug 2022 with the bolt to be disassembled, hold the outer wall of the first sleeve 4 with one hand, and rotate the operating part 1011 of the first rod body 1 with the other hand. The rotation of the operating part 1011 will drive the first rod body 1 and the first transmission member 110 (first bevel gear) to rotate synchronously. Since the first transmission member 110 (first bevel gear) and the second transmission member 210 (second bevel gear) are meshed for transmission, the second transmission member 210 will drive the second rod body 2 to rotate as well, and then drive the plug 2022 to rotate to disassemble the bolt.

[0039] After the bolts to be removed are removed from the cooling fan, the newly replaced bolts can be connected to the plug 2022, and the first rod body 1 can be rotated in the opposite direction according to the above steps to complete the installation of the bolts.

[0040] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0041] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0042] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A disassembly and assembly tool, characterized in that: include: The connecting assembly comprises a first plate body and a second plate body connected to each other at an angle, wherein the first plate body is provided with a first notch, and the second plate body is provided with a second notch; A first rod body, comprising a control end and a transmission end, wherein the transmission end is located inside the connecting assembly after passing through the first notch, and a first transmission member is provided on the transmission end; A second rod body, comprising a driven end and a disassembly end, wherein the driven end is located inside the connecting assembly after passing through the second notch, the driven end is provided with a second transmission member drivingly connected to the first transmission member, and the disassembly end is used for disassembling the bolt; and One end of the first sleeve is connected to the first plate and sleeved on the first rod. The first sleeve is provided with a plurality of bearings sleeved on the first rod at intervals along the length direction of the first rod.

2. The disassembly and assembly tool according to claim 1, characterized in that: The number of the bearings in the first sleeve is three, two of which are located at two ends of the first sleeve, and the other bearing is located in the middle of the first sleeve in the length direction.

3. The disassembly and assembly tool according to claim 1, characterized in that: The first transmission member is configured as a first bevel gear, and the second transmission member is configured as a second bevel gear meshed with the first bevel gear.

4. The disassembly and assembly tool according to claim 3, characterized in that: The control end is provided with an operating part for driving the first rod body to rotate.

5. The disassembly and assembly tool according to claim 1, characterized in that: The disassembly and assembly tool also includes a second sleeve, one end of which is connected to the second plate body and sleeved on the second rod body, and a plurality of the bearings are installed in the second sleeve at intervals along the length direction of the second rod body.

6. The disassembly and assembly tool according to claim 5, characterized in that: The number of the bearings in the second sleeve is two, and the two bearings are respectively located at two ends of the second sleeve.

7. The disassembly and assembly tool according to claim 6, characterized in that: The disassembly end comprises a slot connected to the second rod body; and a plug detachably connected to the slot, and the plug is used for disassembling the bolt.

8. The disassembly and assembly tool according to claim 6, characterized in that: The second rod body is provided with a limiting portion, and the limiting portion is used to limit the bearing in the second sleeve at one end away from the second transmission member.

9. The disassembly and assembly tool according to claim 1, characterized in that: The length of the first rod is 40 cm, and the length of the second rod is 8 cm.

10. The disassembly and assembly tool according to claim 1, characterized in that: The outer side wall of the first sleeve is provided with an anti-slip portion.

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