CN215673424U

CN215673424U - Turning gear box device

Info

Publication number: CN215673424U
Application number: CN202122353233.8U
Authority: CN
Inventors: 宋进宇; 袁吉; 邓创; 陈可; 缪华平; 李想
Original assignee: Chongqing Gearbox Co Ltd
Current assignee: Chongqing Gearbox Co Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-01-28
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a turning gear box device, comprising: the lifting lugs are used for driving the hub to rotate and driving the one-level planet-level structure to rotate, the one-level planet-level structure and the one-level parallel-level structure are detachably connected, and the lifting lugs are used for being connected with the lifting device and arranged on two sides of the one-level planet-level structure and the two sides of the one-level parallel-level structure. When the barring gear box device provided by the utility model is used, the primary parallel-level structure and the primary planet-level structure can be sequentially placed in the engine room, the difficulty of placing components in a narrow engine room is effectively reduced, the phenomenon of friction damage of the components is avoided, and the assembly efficiency of the device can be effectively improved.

Description

Turning gear box device

Technical Field

The utility model relates to the technical field of wind power generation, in particular to a turning gear box device.

Background

In the prior art, with the rapid development of the wind power generation industry, large-megawatt wind power gear boxes are gradually produced and used in batches, however, wind power generation blades which are too large and too long cannot be directly installed on a hub and then hoisted to a fan, the blades are usually installed after the hub is installed, and a barring gear box is needed to be used for installing the blades. A barring gear box is typically mounted at the tail of the wind turbine shaft for rotating the hub to a specific angle for mounting the blades. But barring gear box formula structure as an organic whole usually, device overall structure is great, and it is great to put into narrow cabin's the degree of difficulty with it, leads to the barring gear box to take place the friction damage phenomenon easily, and assembly efficiency is lower.

In summary, how to improve the assembling effect of the turning gear box is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a turning gear box device, which can effectively improve the assembling effect of the turning gear box.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a turning gear box apparatus comprising: the lifting device is used for driving a hub to rotate and driving a first-level planet-level structure and a first-level parallel-level structure, the first-level planet-level structure is detachably connected with the first-level parallel-level structure, and lifting lugs used for being connected with a lifting device are arranged on two sides of the first-level planet-level structure and two sides of the first-level parallel-level structure.

Preferably, the first-stage planet-stage structure is an integrated structure, and the first-stage parallel-stage structure is an integrated structure.

Preferably, the first-stage planetary stage structure comprises a planet carrier connected with the high-speed shaft of the wheel hub, a planet shaft arranged on the periphery of the planet carrier, a planet wheel sleeved on the periphery of the planet shaft, a rear shell arranged at the bottom of the planet carrier, a middle shell arranged at the top of the planet carrier and a gear ring, the periphery of the gear ring is meshed with the outer side of the planet wheel, the end part of the gear ring is respectively abutted against the middle shell and the rear shell, and the inner side of the planet wheel is meshed with a sun wheel of the first-stage parallel stage structure.

Preferably, the middle shell and the rear shell are connected with the planet carrier through bearings, and the planet carrier is connected with the high-speed shaft through splines.

Preferably, the lifting lugs are arranged on two sides of the middle shell and two sides of the rear shell, the middle shell is provided with a first mounting hole used for being connected with the first-level parallel structure, and the rear shell is provided with a second mounting hole used for being connected with a flange face of the hub.

Preferably, the first-stage parallel structure includes a first gear, a driving member for driving the first gear to rotate, a second gear engaged with an inner side of the first gear, the sun gear disposed on an inner peripheral portion of the second gear, an upper housing disposed on a top of the second gear, and a lower housing disposed on a bottom of the second gear, the first gear is uniformly distributed along a circumferential direction of the second gear, the first gear is sleeved on an outer peripheral portion of an output shaft of the driving member, and the lower housing is connected to the middle housing.

Preferably, the upper housing and the lower housing are both connected to the second gear through a bearing.

Preferably, the lifting lugs are arranged on two sides of the lower shell, and the lower shell is provided with a third mounting hole used for being connected with the middle shell.

Preferably, the bottom end of the sun wheel is provided with an inclined plane structure.

Preferably, the driving member is an electric motor or a hydraulic motor.

When the barring gear box device provided by the utility model is used, when the barring gear box device needs to be placed in a narrow engine room, the primary planet-level structure and the primary parallel-level structure can be detached, then the lifting device is connected with the lifting lug of the primary planet-level structure so as to place the primary planet-level structure in the engine room and be connected with the hub, then the lifting device is connected with the lifting lug of the primary parallel-level structure so as to place the primary parallel-level structure in the engine room, and finally the primary parallel-level structure is connected with the primary planet-level structure so as to finish the assembly operation of the barring gear box device. When the device is adopted, the one-level parallel structure and the one-level planet structure can be sequentially placed into the engine room, the difficulty of placing parts into a narrow engine room is effectively reduced, the phenomenon of friction damage of the parts is avoided, and the assembly efficiency of the device can be effectively improved.

In conclusion, the barring gear box device provided by the utility model can effectively improve the assembly effect of the barring gear box.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a barring gear box device provided by the present invention;

FIG. 2 is a schematic diagram of a one-level parallel structure;

fig. 3 is a schematic structural diagram of a first-stage planetary stage structure.

In fig. 1-3:

the structure comprises a first-stage planetary stage structure 1, a planetary carrier 11, a planetary shaft 12, a planetary wheel 13, a rear shell 14, a middle shell 15, a gear ring 16, a first mounting hole 17, a second mounting hole 18, a first-stage parallel stage structure 2, a first gear 21, a driving piece 22, a second gear 23, a sun wheel 24, an upper shell 25, a lower shell 26, a third mounting hole 27, a support plate 28, a snap spring 29, a lifting lug 3, a bearing 4, a spline 5, an inclined plane structure 6 and a bolt 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a barring gear box device which can effectively improve the assembly effect of a barring gear box.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a barring gear box device according to the present invention; FIG. 2 is a schematic diagram of a one-level parallel structure; fig. 3 is a schematic structural diagram of a first-stage planetary stage structure.

This specific embodiment provides a turning gear case device, includes: be used for driving wheel hub pivoted one-level planet level structure 1 and be used for driving 1 pivoted one-level parallel level structure 2 of one-level planet level structure, can dismantle between one-level planet level structure 1 and the one-level parallel level structure 2 and be connected, the both sides of one-level planet level structure 1 and one-level parallel level structure 2 all are equipped with the lug 3 that is used for being connected with hoisting accessory.

It should be noted that this device is including dismantling one-level planet class structure 1 and the parallel class structure 2 of one-level of connection for the barring gear box device can adapt to narrower cabin structure, and can not take place the damage phenomenon of part colliding with, effectively improves the assembly efficiency of barring gear box device.

In the actual application process, the shapes, structures, sizes and the like of the first-level planet-level structure 1 and the first-level parallel-level structure 2 can be determined according to the actual conditions and the actual requirements.

When the barring gear box device provided by the utility model is used, when the barring gear box device needs to be placed in a narrow engine room, the primary planet-level structure 1 and the primary parallel-level structure 2 can be detached, then the lifting device is used for being connected with the lifting lug 3 of the primary planet-level structure 1 so as to be convenient for placing the primary planet-level structure 1 in the engine room and being connected with the hub, then the lifting device is used for being connected with the lifting lug 3 of the primary parallel-level structure 2 so as to be convenient for placing the primary parallel-level structure 2 in the engine room, and finally the primary parallel-level structure 2 is connected with the primary planet-level structure 1 so as to finish the assembly operation of the barring gear box device. When the device is adopted, the first-level parallel structure 2 and the first-level planet structure 1 can be sequentially placed into the engine room, the difficulty of placing parts into a narrow engine room is effectively reduced, the phenomenon of friction damage of the parts is avoided, and the assembly efficiency of the device can be effectively improved.

On the basis of the above embodiment, preferably, the primary planet-stage structure 1 is an integrated structure, and the primary parallel-stage structure 2 is an integrated structure.

It should be noted that, mounting holes may be correspondingly formed in the shells of the first-stage planetary stage structure 1 and the first-stage parallel stage structure 2, so that the bolts 7 may pass through the aligned mounting holes, thereby achieving the fixed connection between the first-stage planetary stage structure 1 and the first-stage parallel stage structure 2, and after the bolts 7 are removed, two structures independent of each other may be obtained. The first-level planet-level structure 1 and the first-level parallel-level structure 2 are both of an integrated structure, so that the installation steps of the device can be reduced, the first-level planet-level structure 1 and the first-level parallel-level structure 2 can be conveniently hoisted to the cabin respectively by utilizing the hoisting device, and then the assembly is carried out.

Preferably, the primary planetary stage structure 1 includes a planet carrier 11 for connecting with a high-speed shaft of a wheel hub, a planet shaft 12 disposed on the periphery of the planet carrier 11, planet wheels 13 sleeved on the periphery of the planet shaft 12, a rear housing 14 disposed at the bottom of the planet carrier 11, a middle housing 15 disposed at the top of the planet carrier 11, and a ring gear 16, wherein the periphery of the ring gear 16 is meshed with the outer sides of the planet wheels 13, the ends of the ring gear 16 are respectively abutted against the middle housing 15 and the rear housing 14, and the inner sides of the planet wheels 13 are all meshed with a sun gear 24 of the primary parallel stage structure 2. Therefore, when the sun gear 24 of the first-stage parallel structure 2 rotates, the sun gear 24 can drive the planet gear 13 to rotate, so that the torque is transmitted to the planet carrier 11, the planet carrier 11 transmits the torque to the high-speed shaft, and then the hub is driven to rotate, so as to assist the blades to be installed.

Preferably, the middle housing 15 and the rear housing 14 are both connected with the planet carrier 11 through bearings 4, so as to avoid the abrasion phenomenon of the middle housing 15, the rear housing 14 and the planet carrier 11 during the use process. The planet carrier 11 is connected with the high-speed shaft through the spline 5 to ensure the connection effect of the planet carrier 11 and the high-speed shaft. Of course, other structures may be used to connect the carrier 11 and the high speed shaft.

Preferably, the lifting lugs 3 are arranged on two sides of the middle shell 15 and the rear shell 14, the middle shell 15 is provided with a first mounting hole 17 used for being connected with the first-level parallel structure 2, and the rear shell 14 is provided with a second mounting hole 18 used for being connected with a flange face of the hub. The bolts 7 can be utilized to penetrate through the corresponding mounting holes of the first mounting hole 17 and the first-level parallel-level structure 2 so as to realize the fixed connection of the middle shell 15 and the first-level parallel-level structure 2, and the bolts 7 can be utilized to penetrate through the corresponding mounting holes of the second mounting hole 18 and the hub flange surface so as to realize the fixed connection of the rear shell 14 and the hub.

In the actual application process, according to actual conditions and actual requirements, the shapes, structures, dimensions, materials, positions and the like of the planet carrier 11, the planet shaft 12, the planet wheel 13, the rear shell 14, the middle shell 15, the lifting lugs 3, the first mounting hole 17, the second mounting hole 18 and the gear ring 16 can be determined.

On the basis of the above embodiment, preferably, the one-stage parallel stage structure 2 includes a first gear 21, a driving member 22 for driving the first gear 21 to rotate, a second gear 23 engaged with an inner side of the first gear 21, a sun gear 24 disposed on an inner peripheral portion of the second gear 23, an upper housing 25 disposed on a top portion of the second gear 23, and a lower housing 26 disposed on a bottom portion of the second gear 23, the first gear 21 is uniformly distributed along a circumferential direction of the second gear 23, the first gear 21 is sleeved on an outer peripheral portion of an output shaft of the driving member 22, and the lower housing 26 is connected to the middle housing 15.

It should be noted that a supporting plate 28 and a snap spring 29 may be disposed on the top of the sun gear 24 to improve the connection effect between the second gear 23 and the sun gear 24, and the sun gear 24 may be integrally connected to the second gear 23 through a spline 5, a screw, the supporting plate 28, the snap spring 29, and the like. After the driving member 22 is operated, the driving member 22 can drive the first gear 21 to rotate, the first gear 21 can drive the second gear 23 to rotate, and the second gear 23 can be connected with the sun gear 24 through the spline 5 and other parts, so as to drive the sun gear 24 to rotate. Then, the sun gear 24 can drive the planet gear 13 to rotate, so that the torque is transmitted to the planet carrier 11, the planet carrier 11 transmits the torque to the high-speed shaft, and the hub is driven to rotate, so as to assist the blades to be installed.

Preferably, the upper housing 25 and the lower housing 26 are connected to the second gear 23 through bearings 4, so as to avoid the wear of the upper housing 25, the lower housing 26 and the planet carrier 11 during use.

Preferably, the lower case 26 is provided at both sides thereof with the lifting lugs 3, and the lower case 26 is provided with third mounting holes 27 for coupling with the middle case 15. Bolts 7 may be inserted through the third mounting holes 27 and the first mounting holes 17 of the middle case 15 to fixedly couple the lower case 26 and the middle case 15. Moreover, the bolts 7 are mounted in the corresponding mounting holes, so that the mounting surface of the housing is not affected.

Preferably, the bottom end of the sun gear 24 is provided with a bevel structure 6 so as to realize the meshing installation of the sun gear 24 and the planet gears 13.

Preferably, the drive member 22 is an electric or hydraulic motor to ensure the rotating effect of the first gear 21.

It should be further noted that, when the barring gear box device provided by the present invention is used, the barring gear box device may be divided into two parts to be respectively hoisted into the engine room, first, the first-stage planetary stage structure 1 may be installed on the flange surface reserved on the hub through the second installation hole 18, meanwhile, the planet carrier 11 may be connected with the high-speed shaft through the spline 5, and then, the first-stage parallel stage structure 2 is installed on the first-stage planetary stage structure 1 and is connected and fixed through the bolt 7, so as to complete the meshing installation of the sun gear 24 and the planet gear 13.

Then, can control hydraulic motor or motor operation to drive first gear 21 and rotate, first gear 21 can drive second gear 23 and rotate, and second gear 23 accessible components such as spline 5 are connected with sun gear 24, and then drive sun gear 24 and rotate, and sun gear 24 can drive planet wheel 13 and rotate, and then transmits the moment of torsion to planet carrier 11, and planet carrier 11 transmits the moment of torsion to the high-speed axle again, with drive wheel hub rotation, supplementary blade installation.

It should be noted that the first gear 21 and the second gear 23, the first mounting hole 17 and the second mounting hole 18, and the third mounting hole 27 are mentioned in this document, wherein the first, the second, and the third are only for distinguishing the position differences and are not in sequence.

It should be noted that the directions and positional relationships indicated by "top and bottom", "inside and outside" and the like in the present application are based on the directions and positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the device or element referred to must have a specific direction, be configured and operated in a specific direction, and thus, should not be construed as limiting the present invention.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all the embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.

The turning gear box device provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A turning gear box device, characterized by comprising: be used for driving wheel hub pivoted one-level planet level structure (1) and be used for the drive one-level planet level structure (1) pivoted one-level parallel level structure (2), one-level planet level structure (1) with can dismantle the connection between one-level parallel level structure (2), one-level planet level structure (1) with the both sides of one-level parallel level structure (2) all are equipped with and are used for lug (3) be connected with hoisting accessory.

2. A barring gear box arrangement according to claim 1 characterised in that the primary planet stage structure (1) is a one-piece structure and the primary parallel stage structure (2) is a one-piece structure.

3. The jigger gearbox device according to claim 2, wherein the primary planetary stage structure (1) comprises a planetary carrier (11) connected with the high-speed shaft of the hub, a planetary shaft (12) arranged on the periphery of the planetary carrier (11), planetary wheels (13) sleeved on the periphery of the planetary shaft (12), a rear housing (14) arranged at the bottom of the planetary carrier (11), a middle housing (15) arranged at the top of the planetary carrier (11), and a ring gear (16), wherein the periphery of the ring gear (16) is engaged with the outer sides of the planetary wheels (13), the end parts of the ring gear (16) are respectively abutted against the middle housing (15) and the rear housing (14), and the inner sides of the planetary wheels (13) are engaged with a sun wheel (24) of the primary parallel stage structure (2).

4. A barring gear box arrangement according to claim 3 characterised in that the middle housing (15) and the rear housing (14) are both connected with the planet carrier (11) by a bearing (4), the planet carrier (11) being connected with the high speed shaft by a spline (5).

5. A jigger gear box apparatus according to claim 4, wherein the lifting lugs (3) are provided on both sides of the middle housing (15) and the rear housing (14), the middle housing (15) is provided with a first mounting hole (17) for connection with the one-stage parallel stage structure (2), and the rear housing (14) is provided with a second mounting hole (18) for connection with a flange face of the hub.

6. The jigger gear box device according to any one of claims 3 to 5, wherein the primary parallel stage structure (2) includes a first gear (21), a driving member (22) for driving the first gear (21) to rotate, a second gear (23) engaged with an inner side of the first gear (21), the sun gear (24) provided on an inner peripheral portion of the second gear (23), an upper housing (25) provided on a top portion of the second gear (23), and a lower housing (26) provided on a bottom portion of the second gear (23), the first gear (21) is uniformly distributed along a circumferential direction of the second gear (23), the first gear (21) is fitted over an outer peripheral portion of an output shaft of the driving member (22), and the lower housing (26) is connected to the middle housing (15).

7. Barring gear box arrangement according to claim 6, characterized in that the upper housing (25) and the lower housing (26) are both connected with the second gear wheel (23) by a bearing (4).

8. A jigger gear box device according to claim 6, wherein the lifting lugs (3) are provided on both sides of the lower case (26), and the lower case (26) is provided with third mounting holes (27) for connection with the middle case (15).

9. Barring gear box arrangement according to claim 6, characterized in that the bottom end of the sun wheel (24) is provided with a ramp structure (6).

10. Barring gear box arrangement according to claim 6, characterized in that the driving element (22) is an electric or hydraulic motor.