CN216768133U

CN216768133U - Wind-powered electricity generation gear box input connection structure

Info

Publication number: CN216768133U
Application number: CN202123314580.6U
Authority: CN
Inventors: 单清泽
Original assignee: Heilongjiang Hna Chuangtong Mechanical Transmission Equipment Manufacturing Co ltd
Current assignee: Heilongjiang Hna Chuangtong Mechanical Transmission Equipment Manufacturing Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-17
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses an input connecting structure of a wind power gear box, which comprises an outer pipe, a first connecting shaft and a second connecting shaft, and is characterized in that one end of the outer pipe is provided with a circular ring, the inner side of the circular ring is movably connected with the outer pipe, one side of the circular ring is provided with a first airtight gasket, one side of the first airtight gasket is fixedly connected with the circular ring, bolts are arranged on the circular ring at equal intervals and are respectively movably connected with the circular ring, one end of each bolt is respectively provided with a nut which is respectively connected with the bolts in a threaded manner, one side of the outer pipe is provided with a fixed block, one end of an outer rod is fixedly connected with the middle part of the fixed block, the other side of the fixed block is provided with a second connecting shaft, one end of the second connecting shaft is fixedly connected with the middle part of the other side of the fixed block, the other end of the second connecting shaft is provided with the first connecting shaft, and a second airtight gasket is arranged between the second connecting shaft and the outer pipe, the second airtight gasket is connected with one side of the inner wall of the outer tube in an embedded mode. The utility model has simple structure and convenient operation.

Description

Wind-powered electricity generation gear box input connection structure

Technical Field

The utility model relates to the technical field of input connection structures of gear boxes, in particular to an input connection structure of a wind power gear box.

Background

With the rapid development of wind power generation technology, the transmission power of a wind turbine generator is higher and higher, and a wind power speed-up gear box not only has higher reliability requirement, but also has smaller volume and lighter weight, so that the high manufacturing, transportation, installation and maintenance cost is reduced.

In the input connection of the wind power speed-increasing gear box with the power of less than 3MW, a locking disc connection mode is basically adopted, and as shown in figure 1, an input flange 1a and an input planet carrier 3a of the wind power speed-increasing gear box are connected together through a locking disc 2 a. The structure is mainly applied to wind turbines which are relatively small in transmission torque, large in design space allowance of the engine room and relatively loose in requirements on axial size, weight and overall dimension of a transmission structure. However, with the continuous increase of the power of the wind turbine, the wind turbine has higher requirements on the control of the whole weight of the wind turbine, the space of the engine room and the installation and maintenance, and the connection mode of the locking disc is not suitable for the development requirement of the high-power wind turbine. The main reasons are as follows: one is that the designed axial size and weight are large; secondly, the disassembly and assembly of the gear box requires the cabin to leave a space for the gear box to retreat, so that the cabin is lengthened and the weight is increased; thirdly, the installation and the disassembly of the locking disc need to be carried out through professional training and strict operation specifications, and the realization difficulty is high; fourthly, the locking disc needs to be designed and manufactured by professional manufacturers, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an input connecting structure of a wind power gear box, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a wind-powered electricity generation gear box input connection structure, includes outer tube, first connecting axle and second connecting axle, its characterized in that, the ring is installed to the one end of outer tube, the inboard of ring with outer tube swing joint, first airtight packing ring is installed to one side of ring, one side of first airtight packing ring with ring fixed connection, the equidistant bolt of installing of ring, the bolt respectively with ring swing joint, the nut is installed respectively to the one end of bolt, the nut respectively with bolt threaded connection, the fixed block is installed to one side of outer tube, the outer pole is installed to one side of fixed block, the one end of outer pole with the middle part fixed connection of fixed block, the second connecting axle is installed to the opposite side of fixed block, the one end of second connecting axle with the opposite side middle part fixed connection of fixed block, first connecting axle is installed to the other end of second connecting axle, first connecting axle with the crossing department of second connecting axle installs the fixed key, the second connecting axle with install the airtight packing ring of second between the outer tube, the airtight packing ring of second with the gomphosis of inner wall one side of outer tube is connected.

Furthermore, grooves are respectively arranged on the first connecting shaft and the second connecting shaft, and the grooves are connected with the fixed keys in an embedded mode.

Furthermore, round holes are arranged on the fixed block and the circular ring at equal intervals and are movably connected with the bolts.

Furthermore, a slope is arranged on the periphery of one side of the outer pipe, and the slope of the outer pipe is attached to the inner wall of the circular ring.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, synchronous transmission is realized between the first connecting shaft and the second connecting shaft through the fixed key, meanwhile, the second connecting shaft is movably connected with the inner wall of the outer tube, and by matching with the ring on the outer side of the outer tube, a worker twists the bolt, so that the ring gradually moves to one side, one side of the outer tube is more attached and clamps the second connecting shaft, and the phenomenon of falling off in subsequent transmission operation can be avoided. The device simple structure, the dismantlement of easily operation and later stage.

Drawings

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

FIG. 1 is an overall cross-sectional schematic view of a wind power gearbox input connection;

FIG. 2 is a schematic overall side view of an input connection structure of a wind power gearbox.

Reference numerals:

1. a fixed block; 2. a nut; 3. a first hermetic gasket; 4. a circular ring; 5. a bolt; 6. an outer tube; 7. a first connecting shaft; 8. a fixed key; 9. a second connecting shaft; 10. a second hermetic gasket; 11. an outer rod.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the wind power gearbox input connection structure according to the embodiment of the utility model includes an outer tube 6, a first connection shaft 7 and a second connection shaft 9, and is characterized in that one end of the outer tube 6 is provided with a ring 4, the inner side of the ring 4 is movably connected with the outer tube 6, one side of the ring 4 is provided with a first airtight gasket 3, one side of the first airtight gasket 3 is fixedly connected with the ring 4, the ring 4 is provided with bolts 5 at equal intervals, the bolts 5 are respectively movably connected with the ring 4, one end of each bolt 5 is provided with a nut 2, the nuts 2 are respectively in threaded connection with the bolts 5, one side of the outer tube 6 is provided with a fixed block 1, one side of the fixed block 1 is provided with an outer rod 11, one end of the outer rod 11 is fixedly connected with the middle part of the fixed block 1, second connecting axle 9 is installed to the opposite side of fixed block 1, the one end of second connecting axle 9 with the opposite side middle part fixed connection of fixed block 1, first connecting axle 7 is installed to the other end of second connecting axle 9, first connecting axle 7 with the fixed key 8 is installed to the crossing department of second connecting axle 9, second connecting axle 9 with install second airtight packing ring 10 between the outer tube 6, second airtight packing ring 10 with the gomphosis of inner wall one side of outer tube 6 is connected.

Through the scheme of the utility model, the first connecting shaft 7 and the second connecting shaft 9 are respectively provided with a groove, the grooves are connected with the fixed keys 8 in an embedded mode, the fixed blocks 1 and the circular rings 4 are provided with round holes at equal intervals, the round holes are movably connected with the bolts 5, the periphery of one side of the outer pipe 6 is provided with a slope, and the slope of the outer pipe 6 is attached to the inner wall of the circular ring 4.

The working principle is as follows: according to the utility model, synchronous transmission is realized between the first connecting shaft 7 and the second connecting shaft 9 through the fixed key 8, meanwhile, the second connecting shaft 9 and the inner wall of the outer pipe 6 are movably connected with each other, and by matching with the circular ring 4 on the outer side of the outer pipe 6, a worker twists the bolt 5 to enable the circular ring 4 to gradually move to one side, so that one side of the outer pipe 6 is attached to clamp the second connecting shaft 9 more, and the phenomenon of falling off in subsequent transmission operation can be avoided. The device simple structure, the dismantlement of easily operation and later stage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wind-powered electricity generation gear box input connection structure, includes outer tube (6), first connecting axle (7) and second connecting axle (9), its characterized in that, ring (4) are installed to the one end of outer tube (6), the inboard of ring (4) with outer tube (6) swing joint, first airtight packing ring (3) are installed to one side of ring (4), one side of first airtight packing ring (3) with ring (4) fixed connection, bolt (5) are installed at equidistant on ring (4), bolt (5) respectively with ring (4) swing joint, nut (2) are installed respectively to the one end of bolt (5), nut (2) respectively with bolt (5) threaded connection, fixed block (1) is installed to one side of outer tube (6), outer pole (11) are installed to one side of fixed block (1), the one end of outer pole (11) with the middle part fixed connection of fixed block (1), second connecting axle (9) is installed to the opposite side of fixed block (1), the one end of second connecting axle (9) with the opposite side middle part fixed connection of fixed block (1), first connecting axle (7) is installed to the other end of second connecting axle (9), first connecting axle (7) with fixed key (8) are installed to the crossing department of second connecting axle (9), second connecting axle (9) with install second airtight packing ring (10) between outer tube (6), second airtight packing ring (10) with the inner wall one side gomphosis of outer tube (6) is connected.

2. The wind power gearbox input connection structure as claimed in claim 1, wherein grooves are respectively arranged on the first connecting shaft (7) and the second connecting shaft (9), and the grooves are connected with the fixed keys (8) in an embedded manner.

3. The wind power gearbox input connection structure according to claim 1, wherein round holes are arranged on the fixed block (1) and the ring (4) at equal intervals and are movably connected with the bolts (5).

4. The wind power gearbox input connection structure according to claim 1, wherein a slope is arranged on the periphery of one side of the outer pipe (6), and the slope of the outer pipe (6) is attached to the inner wall of the circular ring (4).