CN111377350A - A kind of overall disassembly and assembly tool for wind power gearbox planetary stage - Google Patents

Abstract

The invention relates to the technical field of wind power gearboxes, and discloses an integral disassembly and assembly tool for a planetary stage of a wind power gearbox, including a boom assembly and a connecting arm assembly. The boom assembly is configured to be connectable to external lifting equipment. The connecting arm assembly includes a connecting seat and a connecting arm, the connecting seat is rotatably mounted on the boom assembly, the connecting arm is detachably fixed on the connecting seat, and the connecting seat is configured to be able to be docked with the stop of the planetary stage of the wind turbine gearbox , the connection seat is provided with a first connection hole, the fastener can pass through the first connection hole to be threadedly connected with the bolt hole on the inner side of the planetary stage of the wind turbine gearbox, and the connection arm is provided with a second connection hole, the fastener can pass through It is threadedly connected with the lifting hole on the outer side of the planetary stage of the wind turbine gearbox through the second connecting hole. The overall disassembly and assembly tool for the planetary stage of the wind power gearbox provided by the invention can only disassemble and assemble the planetary stage as a whole, simplifies the disassembly and assembly process, shortens the disassembly and assembly period, and reduces the use of manpower and material resources.

Description

A kind of overall disassembly and assembly tool for wind power gearbox planetary stage

technical field

The invention relates to the technical field of wind power gearboxes, in particular to an integral disassembly and assembly tool for a planetary stage of a wind power gearbox.

Background technique

Wind power gearbox is the main equipment for wind power generation. At present, after the planetary stage of the wind power gearbox is damaged, due to the lack of special disassembly and assembly aids, the wind power gearbox can only be removed from the tower as a whole and replaced, and cannot be disassembled and replaced on the tower. The overall lowering of the wind power gearbox requires the use of larger ground lifting equipment. At the same time, after replacing the new planetary stage, it is necessary to reuse the larger ground lifting equipment to install the wind power gearbox back on the tower. This replacement method has a complicated process and a long period of time, requires a large amount of manpower and material resources, and has a large potential safety hazard. At the same time, in order to make the hoisting equipment park smoothly, a large area of flat ground at the bottom of the fan tower is required.

Therefore, there is an urgent need for a new type of overall disassembly and assembly tool for the planetary stage of the wind power gearbox to solve the above technical problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an integral disassembly and assembly tool for the planetary stage of the wind power gearbox, which can only disassemble and assemble the planetary stage of the wind power gearbox as a whole, simplifies the disassembly and assembly process, shortens the disassembly and assembly period, and reduces the use of manpower and material resources. Reduce safety hazards, while reducing the need for level ground.

For achieving the above object, the present invention adopts the following technical solutions:

An integral disassembly and assembly tool for a planetary level of a wind power gearbox, comprising:

a boom assembly, configured to be able to connect with external lifting equipment;

A connecting arm assembly includes a connecting seat and a connecting arm, the connecting seat is rotatably mounted on the boom assembly, the connecting arm is detachably fixed on the connecting seat, and the connecting seat is configured to be able to It is docked with the stop port of the planetary stage of the wind turbine gearbox, the connecting seat is provided with a first connecting hole, and the fastener can pass through the first connecting hole and the bolt hole thread on the inner side of the planetary stage of the wind turbine gearbox. For connection, the connecting arm is provided with a second connecting hole, and the fastener can pass through the second connecting hole and be screwed to the hoisting hole on the outer side of the planetary stage of the wind turbine gearbox.

As a preferred solution for the overall disassembly and assembly of the planetary stage of the wind turbine gearbox, a plurality of the connecting arms are evenly distributed along the circumferential direction of the connecting seat; and/or

The plurality of first connection holes are evenly distributed along the circumferential direction of the connection seat.

As a preferred solution for the overall disassembly and assembly of the planetary stage of the wind power gearbox, the boom assembly includes a boom, a boom shaft and a connecting shaft, the boom shaft is mounted on the boom, and the connecting shaft It is detachably connected with the boom shaft, and the connection seat is rotatably mounted on the connection shaft.

As a preferred solution for the overall disassembly and assembly of the planetary stage of the wind power gearbox, a bearing is provided between the connecting seat and the connecting shaft.

As a preferred solution for the overall disassembly and assembly of the planetary stage of the wind power gearbox, the boom assembly further includes a hoisting ring, the hoisting ring is detachably mounted on the hoisting arm, and the hoisting ring is configured to be able to connect with the External lifting equipment connection.

As a preferred solution for the overall disassembly and assembly of the planetary stage of the wind power gearbox, the boom includes a vertically connected mounting portion and a lifting portion, the boom shaft is mounted on the mounting portion, and the lifting ring is mounted on the mounting portion. on the hoisting part.

As a preferred solution for the overall disassembly and assembly of the planetary stage of the wind power gearbox, the connecting seat includes a docking part and a first connecting part, and the docking part is configured to be able to be connected with the stop of the planetary stage of the wind power gearbox Butt joint, the first connection hole is opened on the first connection part.

As a preferred solution for the overall disassembly and assembly of the planetary stage of the wind power gearbox, a positioning groove is also formed on the first connecting portion, and one end of the connecting arm can be inserted into the positioning groove.

As a preferred solution for the overall disassembly and assembly of the planetary stage of the wind power gearbox, the connecting arm includes a fixing part and a second connecting part, the fixing part is detachably fixed on the connecting seat, and the second connecting part The extension direction of the connecting portion is parallel to the rotation axis of the connecting seat, and the second connecting hole is opened on the second connecting portion.

As a preferred solution for the overall disassembly and assembly of the planetary stage of the wind power gearbox, the boom shaft is fixedly mounted on the boom by welding.

The beneficial effects of the present invention are:

The overall disassembly and assembly tool for the planetary stage of the wind power gearbox provided by the present invention can make the connection by setting the 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. The seat is fixedly connected to 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 hoisting hole outside the planetary stage, the connecting arm and the planetary stage can be fixed. connect. After the connecting seat and the connecting arm are fixedly connected with the planetary stage, the planetary stage can be pulled out from the wind power gearbox or inserted into the wind power gearbox through a small lifting device, so as to realize parallel alignment. Star independent disassembly. In addition, since the connecting seat is rotatably mounted on the boom assembly, the planetary gear in the planetary stage can rotate freely during the process of pulling out and loading the planetary stage, so that the helical gear planetary gear and the ring gear can be avoided due to helical gears. Interference occurs between them and the phenomenon cannot be disassembled. The overall disassembly and assembly tool for the planetary stage of the wind power gearbox provided by the invention can only disassemble and assemble the planetary stage as a whole, simplifies the disassembly and assembly process, shortens the disassembly and assembly period, reduces the use of manpower and material resources, and reduces potential safety hazards. Small lifting equipment can be disassembled and assembled, so the bottom of the fan tower only needs a small level ground to ensure that the lifting equipment can be parked smoothly.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the drawings in the following description are only some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained according to the contents of the embodiments of the present invention and these drawings without creative efforts.

1 is a schematic structural diagram of an integral disassembly and assembly tool for a planetary stage of a wind power gearbox provided by an embodiment of the present invention;

2 is a cross-sectional view of an integral disassembly and assembly tool for a planetary stage of a wind power gearbox provided by an embodiment of the present invention;

FIG. 3 is a partial structural schematic diagram of an overall disassembly and assembly tool for a planetary stage of a wind power gearbox provided by an embodiment of the present invention.

In the picture:

1- boom assembly; 11- boom; 111- installation part; 112- hoisting part; 12- boom shaft; 13- connecting shaft; 14- lifting ring;

2- connecting arm assembly; 21- connecting seat; 211- first connecting hole; 212- docking part; 213- first connecting part; 214- positioning groove; 22- connecting arm; 221- second connecting hole; 222- fixing part; 223 - the second connecting part;

3-bearing;

4- End caps.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," etc. are used for descriptive purposes only or to distinguish between different structures or components, and should not be construed to indicate or imply relative importance. Therein, the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection 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 those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 and FIG. 2 , this embodiment provides an overall disassembly and assembly tool for the planetary stage of a wind power gearbox. When the planetary stage in the gearbox is damaged, the tooling can be used to disassemble the planetary stage as a whole. . Specifically, the overall disassembly and assembly tool for the planetary stage of the wind power gearbox includes a boom assembly 1 and a connecting arm assembly 2, and the boom assembly 1 is configured to be able to be connected with external lifting equipment. The connecting arm assembly 2 includes a connecting base 21 and a connecting arm 22, the connecting base 21 is rotatably mounted on the boom assembly 1, the connecting arm 22 is detachably fixed on the connecting base 21, and the connecting base 21 is configured to be able to connect with the wind power gear The stop ports of the planetary stage of the gearbox are butted, and the connecting seat 21 is provided with a first connecting hole 211. The fastener can pass through the first connecting hole 211 and be threadedly connected to the bolt hole on the inner side of the planetary stage of the wind turbine gearbox. A second connection hole 221 is provided, and the fastener can pass through the second connection hole 221 to be threadedly connected to the hoisting hole outside the planetary stage of the wind turbine gearbox.

In the overall disassembly and assembly tool for the planetary stage of the wind turbine gearbox provided in this embodiment, the first connecting hole 211 is provided on the connecting seat 21, and then the fastener is used to fit the first connecting hole 211 and the bolt hole on the inner side of the planetary stage. , the connecting seat 21 can be fixedly connected with the planetary stage, and at the same time, by setting the second connecting hole 221 on the connecting arm 22, and then using the fastener to cooperate with the second connecting hole 221 and the lifting hole on the outer side of the planetary stage, it can be The connecting arm 22 is fixedly connected to the planetary stage. After the connecting base 21 and the connecting arm 22 are fixedly connected with the planetary stage of the wind turbine gearbox, the planetary stage can be pulled out from the wind turbine gearbox or loaded into the wind turbine gear by a small lifting device In the box, the disassembly and assembly of the planetary level can be realized independently. In addition, since the connecting seat 21 is rotatably mounted on the boom assembly 1, the planetary gear in the planetary stage can be freely rotated during the process of pulling out and loading the planetary stage, so that the helical gear planetary gear and the planetary gear can be avoided. The phenomenon that the ring gear interferes and cannot be disassembled occurs. The overall disassembly and assembly tooling for the planetary stage of the wind power gearbox provided in this embodiment can only disassemble and assemble the planetary stage as a whole, simplify the disassembly and assembly process, shorten the disassembly and assembly cycle, reduce the use of manpower and material resources, and reduce potential safety hazards. Small hoisting equipment can be disassembled and assembled, so the bottom of the fan tower only needs a small level ground to ensure that the hoisting equipment can be parked smoothly.

Preferably, the plurality of connecting arms 22 are evenly distributed along the circumferential direction of the connecting seat 21 . The cooperation of the plurality of connecting arms 22 is beneficial to ensure the firmness and stability of the connection between the connecting arms 22 and the planetary stage, and to ensure the safety of the disassembly and assembly process. Specifically, in this embodiment, the number of the connecting arms 22 is three. Preferably, the plurality of first connection holes 211 are evenly distributed along the circumferential direction of the connection seat 21 . Similarly, the cooperation through the plurality of first connection holes 211 is beneficial to ensure the firmness and stability of the connection between the connection base 21 and the planetary stage. Specifically, in this embodiment, the number of the first connection holes 211 is three. Preferably, the plurality of connecting arms 22 and the plurality of first connecting holes 211 are alternately arranged along the circumferential direction of the connecting seat 21 .

Preferably, as shown in FIGS. 1 and 2 , 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 installed on the boom 11 , and the connecting shaft 13 is connected to the boom 11 . The boom shaft 12 is detachably connected, 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, the boom 11 is provided with a shaft hole, and the boom shaft 12 is first passed through the shaft hole, and then the boom shaft 12 is fixed in the shaft hole by welding. Specifically, in this embodiment, the boom shaft 12 and the connecting shaft 13 are connected by bolts.

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 disposed between the connecting seat 21 and the connecting shaft 13 . In order to ensure the accuracy of the position of the bearing 3 on the connecting shaft 13 , the inner ring and the outer ring of the bearing 3 are fixed with a shaft retaining ring. Further, the overall disassembly and assembly tool for the planetary stage of the wind power gearbox provided in this embodiment further includes an end cover 4 , and the end cover 4 is detachably arranged at the end of the connecting shaft 13 to further limit the bearing 3 on the connecting shaft 13 . Location.

Preferably, as shown in FIGS. 1 and 2 , 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 able to be connected with external lifting equipment. By providing the lifting eye 14, the boom assembly 1 can be quickly connected to external lifting equipment.

Specifically, as shown in FIGS. 1 and 2 , 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 superior. In this embodiment, the boom 11 is a hollow structure.

Preferably, as shown in FIG. 3 , the connecting seat 21 provided in this embodiment includes a docking portion 212 and a first connecting portion 213 . The docking portion 212 is configured to be able to dock with the stop of the planetary stage of the wind turbine gearbox. The first connection The hole 211 is opened on the first connecting portion 213 . By docking the docking portion 212 with the stop on the planetary level, it can play the role of matching and positioning. According to the size of the spigots of different planetary grades, it is possible to disassemble and assemble other planetary grades of different spigots by simply replacing the connecting seat 21 that matches the size of the spigots, so as to improve the flexibility and application scope of the disassembly and assembly tools. .

Preferably, as shown in FIG. 3 , a positioning groove 214 is further formed on the first connecting portion 213 , and one end of the connecting arm 22 can be inserted into the positioning groove 214 . By setting the positioning groove 214 , it is beneficial 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 .

Preferably, as shown in FIG. 3 , the connecting arm 22 includes a fixing portion 222 and a second connecting portion 223 . The fixing portion 222 is detachably fixed on the connecting base 21 , and the extension direction of the second connecting portion 223 is related to the rotation of the connecting base 21 . The axes are parallel, and the second connecting hole 221 is opened on the second connecting portion 223 . Specifically, in this embodiment, the free end of the fixing portion 222 is provided with a flange, and the flange is detachably fixed in the positioning groove 214 by a fastener.

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

Claims (10)

1. An integral disassembly and assembly tooling for a planetary stage of a wind power gearbox is characterized in that, comprising: a boom assembly, configured to be able to connect with external lifting equipment; A connecting arm assembly includes a connecting seat and a connecting arm, the connecting seat is rotatably mounted on the boom assembly, the connecting arm is detachably fixed on the connecting seat, and the connecting seat is configured to be able to It is docked with the stop port of the planetary stage of the wind turbine gearbox, the connecting seat is provided with a first connecting hole, and the fastener can pass through the first connecting hole and the bolt hole thread on the inner side of the planetary stage of the wind turbine gearbox. For connection, the connecting arm is provided with a second connecting hole, and the fastener can pass through the second connecting hole and be screwed to the hoisting hole on the outer side of the planetary stage of the wind turbine gearbox. 2. The overall disassembly and assembly tool for a planetary stage of a wind power gearbox according to claim 1, wherein a plurality of the connecting arms are evenly distributed along the circumferential direction of the connecting seat; and/or The plurality of first connection holes are evenly distributed along the circumferential direction of the connection seat. 3 . The overall disassembly and assembly tool for a planetary stage of a wind power gearbox according to claim 1 , wherein the boom assembly comprises a boom, a boom shaft and a connecting shaft, and the boom shaft is installed on the crane. 4 . On the arm, the connecting shaft is detachably connected with the boom shaft, and the connecting seat is rotatably mounted on the connecting shaft. 4 . The overall disassembly and assembly tool for the planetary stage of a wind power gearbox according to claim 3 , wherein a bearing is provided between the connecting seat and the connecting shaft. 5 . 5 . The overall disassembly and assembly tool for the planetary stage of a wind power gearbox according to claim 3 , wherein the boom assembly further comprises a lifting ring, the lifting ring is detachably mounted on the boom, and the lifting ring is detachable. 6 . is configured to be connectable to the external lifting device. 6 . The overall disassembly and assembly tool for a planetary stage of a wind power gearbox according to claim 5 , wherein the boom comprises a vertically connected mounting portion and a lifting portion, and the boom shaft is mounted on the mounting portion. 7 . , the hoisting ring is installed on the hoisting part. 7 . The overall disassembly and assembly tool for a planetary stage of a wind power gearbox according to claim 1 , wherein the connecting seat comprises a docking part and a first connecting part, and the docking part is configured to be able to connect with the wind power gear. 8 . The stops on the planetary level of the box are butted, and the first connection hole is opened on the first connection part. 8 . The overall disassembly and assembly tool for a planetary stage of a wind turbine gearbox according to claim 7 , wherein a positioning groove is further opened on the first connecting portion, and one end of the connecting arm can be inserted in the positioning groove. 9 . in the slot. 9 . The overall disassembly and assembly tool for a planetary stage of a wind turbine gearbox according to claim 1 , wherein the connecting arm comprises a fixing part and a second connecting part, and the fixing part is detachably fixed on the connecting seat. 10 . 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. 10 . The overall disassembly and assembly tool for a planetary stage of a wind power gearbox according to claim 3 , wherein the boom shaft is fixedly mounted on the boom by welding. 11 .

Images