A wind power gearbox planetary level overall disassembly and assembly tool

Abstract

The present invention relates to the technical field of wind power gearboxes, and discloses a planetary-level integral disassembly and assembly tool for a wind power gearbox, comprising a boom assembly and a connecting arm assembly. The boom assembly is configured to be connected to an external lifting device. The connecting arm assembly comprises a connecting seat and a connecting arm, wherein the connecting seat is rotatably mounted on the boom assembly, and the connecting arm is detachably fixed on the connecting seat, and the connecting seat is configured to be able to dock with the stopper of the planetary level of the wind power gearbox, and a first connecting hole is provided on the connecting seat, and a fastener can pass through the first connecting hole and be threadedly connected to a bolt hole on the inner side of the planetary level of the wind power gearbox, and a second connecting hole is provided on the connecting arm, and the fastener can pass through the second connecting hole and be threadedly connected to a lifting hole on the outer side of the planetary level of the wind power gearbox. The planetary-level integral disassembly and assembly tool for a wind power gearbox provided by the present invention can only perform overall disassembly and assembly of the planetary level, simplify the disassembly and assembly process, shorten the disassembly and assembly cycle, and reduce the use of manpower and material resources.

Description

Technical Field

[0001] The invention relates to the technical field of wind power gear boxes, and in particular to a planetary-level integral disassembly and assembly tool for a wind power gear box. Background Art

[0002] Wind turbine gearboxes are the main equipment for wind power generation. At present, when the planetary level of a wind turbine gearbox is damaged, due to the lack of special disassembly and assembly tooling, the wind turbine gearbox can usually only be replaced by lowering the tower as a whole, and it cannot be disassembled and replaced on the tower. Lowering the wind turbine gearbox as a whole from the tower requires the use of larger ground lifting equipment, and after replacing the new planetary level, the larger ground lifting equipment must be reused to install the wind turbine gearbox back on the tower. This replacement method is complex and has a long cycle, requiring a large amount of manpower and material resources, and has great safety hazards. At the same time, in order for the lifting equipment to stop smoothly, a large area of ​​flat ground is required at the bottom of the wind turbine tower.

[0003] Therefore, a new type of planetary-level overall disassembly and assembly tool for wind turbine gearbox is urgently needed to solve the above technical problems. Summary of the invention

[0004] The purpose of the present invention is to provide a wind turbine gearbox planetary-level integral disassembly and assembly tool, which can only perform overall disassembly and assembly of the planetary-level wind turbine gearbox, simplify the disassembly and assembly process, shorten the disassembly and assembly cycle, reduce the use of manpower and material resources, reduce safety hazards, and at the same time reduce the need for a flat ground.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A planetary-level integrated disassembly and assembly tool for a wind power gearbox, comprising:

[0007] a boom assembly configured to be connected to an external lifting device;

[0008] The connecting arm assembly includes a connecting seat and a connecting arm, wherein the connecting seat is rotatably mounted on the boom assembly, and the connecting arm is detachably fixed to the connecting seat, and the connecting seat is configured to be docked with the stopper of the planetary stage of the wind turbine gearbox. A first connecting hole is provided on the connecting seat, and a fastener can pass through the first connecting hole and be threadedly connected to a bolt hole on the inner side of the planetary stage of the wind turbine gearbox; a second connecting hole is provided on the connecting arm, and the fastener can pass through the second connecting hole and be threadedly connected to a lifting hole on the outer side of the planetary stage of the wind turbine gearbox.

[0009] As a preferred solution of the planetary-level integral disassembly and assembly tooling of the wind turbine gearbox, the plurality of connecting arms are evenly distributed along the circumference of the connecting seat; and / or

[0010] The plurality of first connection holes are evenly distributed along the circumference of the connection seat.

[0011] As a preferred solution for the planetary-level integral disassembly and assembly tooling of the wind turbine gearbox, the boom assembly includes a boom, a boom shaft and a connecting shaft, the boom shaft is installed on the boom, the connecting shaft is detachably connected to the boom shaft, and the connecting seat is rotatably installed on the connecting shaft.

[0012] As a preferred solution for the planetary-level integral disassembly and assembly tooling of the wind turbine gearbox, a bearing is provided between the connecting seat and the connecting shaft.

[0013] As a preferred solution for the planetary-level integral disassembly and assembly tooling of the wind turbine gearbox, the boom assembly further includes a lifting ring, which is detachably mounted on the boom and is configured to be connectable to the external lifting device.

[0014] As a preferred solution for the planetary-level integral disassembly and assembly tooling of the wind turbine gearbox, the boom includes a vertically connected mounting portion and a hoisting portion, the boom shaft is mounted on the mounting portion, and the lifting ring is mounted on the hoisting portion.

[0015] As a preferred solution for the overall disassembly and assembly tool of the planetary stage of the wind turbine gearbox, the connecting seat includes a docking portion and a first connecting portion, the docking portion is configured to be docked with the stopper of the planetary stage of the wind turbine gearbox, and the first connecting hole is opened on the first connecting portion.

[0016] As a preferred solution for the planetary-level integral disassembly and assembly tooling of the wind turbine gearbox, a positioning groove is further provided on the first connecting portion, and one end of the connecting arm can be inserted into the positioning groove.

[0017] As a preferred solution for the planetary-level integral disassembly and assembly tooling of the wind turbine gearbox, the connecting arm includes a fixing portion and a second connecting portion, the fixing portion is detachably fixed to the connecting seat, the extension direction of the second connecting portion is parallel to the rotation axis of the connecting seat, and the second connecting hole is opened on the second connecting portion.

[0018] As a preferred solution for the planetary-level integral disassembly and assembly tooling of the wind turbine gearbox, the boom shaft is fixedly mounted on the boom by welding.

[0019] The beneficial effects of the present invention are:

[0020] The wind power gearbox planetary stage integral disassembly and assembly tool provided by the present invention can make the connecting seat fixedly connected to the planetary stage by setting a first connecting hole on the connecting seat, and then using the fastener to cooperate with the first connecting hole and the bolt hole on the inner side of the planetary stage, and at the same time, by setting a second connecting hole on the connecting arm, and then using the fastener to cooperate with the second connecting hole and the lifting hole on the outer side of the planetary stage, the connecting arm can be fixedly connected to the planetary stage. When the connecting seat and the connecting arm are both fixedly connected to the planetary stage, the planetary stage can be pulled out of the wind power gearbox or installed into the wind power gearbox by a smaller lifting device, so as to realize the independent disassembly and assembly of the planetary stage. In addition, since the connecting seat is rotatably mounted on the lifting arm assembly, the planetary gear in the planetary stage can rotate freely during the process of pulling out and installing the planetary stage, so as to avoid the phenomenon that the planetary gear with helical teeth cannot be disassembled and assembled due to interference between the planetary gear with helical teeth and the ring gear. The wind turbine gearbox planetary-level integral disassembly and assembly tool provided by the present invention can only perform overall disassembly and assembly of the planetary level, thereby simplifying the disassembly and assembly process, shortening the disassembly and assembly cycle, reducing the use of manpower and material resources, and reducing safety hazards. At the same time, since disassembly and assembly can be achieved using relatively small lifting equipment, only a relatively small flat ground is required at the bottom of the wind turbine tower to ensure that the lifting equipment can stop stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0022] Figure 1 It is a structural schematic diagram of a planetary-level integral disassembly and assembly tool for a wind turbine gearbox provided by an embodiment of the present invention;

[0023] Figure 2 It is a cross-sectional view of a planetary-level integral disassembly and assembly tool for a wind turbine gearbox provided by an embodiment of the present invention;

[0024] Figure 3 It is a partial structural schematic diagram of a planetary-level integral disassembly and assembly tool for a wind turbine gearbox provided by an embodiment of the present invention.

[0025] In the figure:

[0026] 1- boom assembly; 11- boom; 111- mounting portion; 112- hoisting portion; 12- boom shaft; 13- connecting shaft; 14- lifting ring;

[0027] 2-connecting arm assembly; 21-connecting seat; 211-first connecting hole; 212-docking portion; 213-first connecting portion; 214-positioning groove; 22-connecting arm; 221-second connecting hole; 222-fixing portion; 223-second connecting portion;

[0028] 3-Bearings;

[0029] 4- End cap. DETAILED DESCRIPTION

[0030] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, or to distinguish different structures or components, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] like Figure 1 and Figure 2As shown, this embodiment provides a wind power gearbox planetary stage integral disassembly and assembly tool, which can be used to separately disassemble and assemble the planetary stage as a whole when the planetary stage in the gearbox is damaged. Specifically, the wind power gearbox planetary stage integral disassembly and assembly tool comprises a boom assembly 1 and a connecting arm assembly 2, and the boom assembly 1 is configured to be connected to an external lifting device. The connecting arm assembly 2 comprises a connecting seat 21 and a connecting arm 22, the connecting seat 21 is rotatably mounted on the boom assembly 1, and the connecting arm 22 is detachably fixed on the connecting seat 21, and the connecting seat 21 is configured to be able to dock with the stopper of the wind power gearbox planetary stage, and a first connecting hole 211 is provided on the connecting seat 21, and a fastener can pass through the first connecting hole 211 and be threadedly connected to a bolt hole on the inner side of the wind power gearbox planetary stage, and a second connecting hole 221 is provided on the connecting arm 22, and a fastener can pass through the second connecting hole 221 and be threadedly connected to a lifting hole on the outer side of the wind power gearbox planetary stage.

[0034] The wind power gearbox planetary stage integral disassembly and assembly tool provided in this embodiment can make the connecting seat 21 fixedly connected to the planetary stage by setting a first connecting hole 211 on the connecting seat 21, and then use the fastener to cooperate with the first connecting hole 211 and the bolt hole on the inner side of the planetary stage, and at the same time, by setting a second connecting hole 221 on the connecting arm 22, and then use the fastener to cooperate with the second connecting hole 221 and the lifting hole on the outer side of the planetary stage, so that the connecting arm 22 can be fixedly connected to the planetary stage. When the connecting seat 21 and the connecting arm 22 are both fixedly connected to the planetary stage of the wind power gearbox, the planetary stage can be pulled out of the wind power gearbox or installed into the wind power gearbox by a smaller lifting device, so as to realize the independent disassembly and assembly of the planetary stage. In addition, since the connecting seat 21 is rotatably mounted on the boom assembly 1, the planetary gear in the planetary stage can rotate freely during the process of pulling out and installing the planetary stage, so as to avoid the phenomenon that the planetary gear with helical teeth cannot be disassembled and assembled due to interference between the planetary gear and the ring gear. The wind turbine gearbox planetary-level overall disassembly and assembly tool provided in this embodiment can only perform overall disassembly and assembly of the planetary level, simplifying the disassembly and assembly process, shortening the disassembly and assembly cycle, reducing the use of manpower and material resources, and reducing safety hazards. At the same time, since disassembly and assembly can be achieved using smaller lifting equipment, the bottom of the wind turbine tower only requires a smaller flat ground to ensure that the lifting equipment can stop stably.

[0035] Preferably, the plurality of connecting arms 22 are evenly distributed along the circumference of the connecting seat 21. The cooperation of the plurality of connecting arms 22 is conducive to ensuring the firmness and stability of the connection between the connecting arms 22 and the planetary stage, and ensuring the safety of the disassembly and assembly process. Specifically, in the present embodiment, the number of the connecting arms 22 is three. Preferably, the plurality of first connecting holes 211 are evenly distributed along the circumference of the connecting seat 21. Similarly, the cooperation of the plurality of first connecting holes 211 is conducive to ensuring the firmness and stability of the connection between the connecting seat 21 and the planetary stage. Specifically, in the present embodiment, the number of the first connecting holes 211 is three. Preferably, the plurality of connecting arms 22 and the plurality of first connecting holes 211 are alternately arranged along the circumference of the connecting seat 21.

[0036] Preferably, if Figure 1 and Figure 2 As shown, the boom assembly 1 provided in this embodiment includes a boom 11, a boom shaft 12 and a connecting shaft 13, the boom shaft 12 is mounted on the boom 11, the connecting shaft 13 is detachably connected to the boom shaft 12, and the connecting seat 21 is rotatably mounted on the connecting shaft 13. Specifically, in this embodiment, the boom shaft 12 is fixedly mounted on the boom 11 by welding. In this embodiment, an axis hole is provided on the boom 11, the boom shaft 12 is firstly inserted into the axis hole, and then the boom shaft 12 is fixed in the axis hole by welding. Specifically, in this embodiment, the boom shaft 12 and the connecting shaft 13 are connected by bolts.

[0037] Preferably, a bearing 3 is provided between the connection seat 21 and the connection shaft 13 to ensure the smoothness and smoothness of the rotation of the connection seat 21. Specifically, in this embodiment, two bearings 3 are provided between the connection seat 21 and the connection shaft 13. In order to ensure the accuracy of the position of the bearing 3 on the connection shaft 13, the inner ring and the outer ring of the bearing 3 are fixed with a shaft retaining ring. Furthermore, the planetary-level integral disassembly and assembly tool of the wind power gearbox provided in this embodiment also includes an end cover 4, which is detachably provided at the end of the connection shaft 13 to further limit the position of the bearing 3 on the connection shaft 13.

[0038] Preferably, if Figure 1 and Figure 2 As shown, the boom assembly 1 provided in this embodiment further includes a lifting ring 14, which is detachably mounted on the boom 11 and is configured to be connected to an external lifting device. By providing the lifting ring 14, the boom assembly 1 can be quickly connected to an external lifting device.

[0039] Specifically, Figure 1 and Figure 2 As shown, the boom 11 provided in this embodiment includes a vertically connected mounting portion 111 and a hoisting portion 112, the boom shaft 12 is mounted on the mounting portion 111, and the hoisting ring 14 is mounted on the hoisting portion 112. In this embodiment, the boom 11 is a hollow structure.

[0040] Preferably, if Figure 3 As shown, the connection seat 21 provided in this embodiment includes a docking portion 212 and a first connection portion 213. The docking portion 212 is configured to be docked with the stopper of the planetary stage of the wind power gearbox, and the first connection hole 211 is provided on the first connection portion 213. The docking portion 212 docks with the stopper of the planetary stage, which can play a role in matching and positioning. According to the size of the stopper of different planetary stages, the connection seat 21 that is adapted to the stopper size can be replaced separately to realize the disassembly and assembly of other planetary stages with different stoppers, so as to improve the flexibility and application range of the disassembly and assembly tooling.

[0041] Preferably, if Figure 3 As shown, a positioning groove 214 is also provided on the first connecting portion 213, and one end of the connecting arm 22 can be inserted into the positioning groove 214. The positioning groove 214 is provided to ensure the accuracy of the installation position of the connecting arm 22, and it is more convenient to install the connecting arm 22 on the connecting seat 21.

[0042] Preferably, if Figure 3 As shown, the connecting arm 22 includes a fixing portion 222 and a second connecting portion 223, the fixing portion 222 is detachably fixed to the connecting seat 21, the extending direction of the second connecting portion 223 is parallel to the rotation axis of the connecting seat 21, and the second connecting hole 221 is provided on the second connecting portion 223. Specifically, in this embodiment, a flange is provided at the free end of the fixing portion 222, and the flange is detachably fixed in the positioning groove 214 by a fastener.

[0043] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A planetary-level integrated disassembly and assembly tool for a wind turbine gearbox, characterized in that: include: a boom assembly configured to be connected to an external lifting device; A connecting arm assembly, comprising a connecting seat and a connecting arm, wherein the connecting seat is rotatably mounted on the boom assembly, and the connecting arm is detachably fixed to the connecting seat, wherein the connecting seat is configured to be able to dock with a stopper of a planetary stage of a wind turbine gearbox, wherein a first connecting hole is provided on the connecting seat, and a fastener can pass through the first connecting hole and be threadedly connected to a bolt hole on the inner side of the planetary stage of the wind turbine gearbox, and wherein a second connecting hole is provided on the connecting arm, and a fastener can pass through the second connecting hole and be threadedly connected to a lifting hole on the outer side of the planetary stage of the wind turbine gearbox; The connecting seat includes a docking portion and a first connecting portion, the docking portion is configured to be able to dock with the stopper of the planetary stage of the wind gearbox, and the first connecting hole is opened on the first connecting portion; The first connecting portion is also provided with a positioning groove, and one end of the connecting arm can be inserted into the positioning groove; The connecting arm includes a fixing portion and a second connecting portion, wherein the fixing portion is detachably fixed to the connecting seat, an extending direction of the second connecting portion is parallel to a rotation axis of the connecting seat, and the second connecting hole is provided on the second connecting portion.

2. The planetary-level integral disassembly and assembly tool for wind turbine gearbox according to claim 1 is characterized in that: The plurality of connecting arms are evenly distributed along the circumference of the connecting seat; and / or The plurality of first connection holes are evenly distributed along the circumference of the connection seat.

3. The planetary-level integral disassembly and assembly tool for wind turbine gearbox according to claim 1 is characterized in that: The boom assembly comprises a boom, a boom shaft and a connecting shaft, wherein the boom shaft is mounted on the boom, the connecting shaft is detachably connected to the boom shaft, and the connecting seat is rotatably mounted on the connecting shaft.

4. The planetary-level integral disassembly and assembly tool for wind turbine gearbox according to claim 3 is characterized in that: A bearing is arranged between the connecting seat and the connecting shaft.

5. The planetary-level integral disassembly and assembly tool for wind turbine gearbox according to claim 3 is characterized in that: The boom assembly further includes a lifting ring detachably mounted on the boom, wherein the lifting ring is configured to be connectable to the external lifting device.

6. The planetary-level integral disassembly and assembly tool for wind turbine gearbox according to claim 5, characterized in that: The boom comprises a mounting portion and a hoisting portion which are vertically connected, the boom shaft is mounted on the mounting portion, and the lifting ring is mounted on the hoisting portion.

7. The planetary-level integral disassembly and assembly tool for wind turbine gearbox according to claim 3, characterized in that: The boom shaft is fixedly mounted on the boom by welding.

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