CN215673549U

CN215673549U - Planet carrier of wind power gear box

Info

Publication number: CN215673549U
Application number: CN202122227095.9U
Authority: CN
Inventors: 丁军; 吴晓冬
Original assignee: Wuxi Dingyi Heavy Industry Manufacturing Co ltd
Current assignee: Wuxi Dingyi Heavy Industry Manufacturing Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-28
Anticipated expiration: 2031-09-14

Abstract

The utility model provides a wind-powered electricity generation gear box planet carrier, drain pan outer wall one side screw rod is connected with the top shell, the integrative casting of drain pan one side outer wall is kept away from to the top shell has the main shaft circle, the main shaft circle is the tubulose, the top shell is kept away from drain pan one side outer wall and has been seted up the shaft hole, the axis hole inner wall is pegged graft and is had the round pin axle, it does not have supplementary mounting structure mostly to have solved ordinary planet carrier among the prior art through cassette and mounting groove, the problem of axle center skew easily appears, it does not have additional strengthening mostly to have ordinary planet carrier among the prior art to have solved through protruding circle and supporting shoe, round pin shaft hole stress is too big, the problem of crack easily appears, it does not have shock-absorbing structure mostly to have ordinary planet carrier among the prior art to have solved through the shock pad, the problem of vibrations easily appears in the planet machine work.

Description

Planet carrier of wind power gear box

Technical Field

The utility model relates to the technical field of wind driven generators, in particular to a wind power gear box planet carrier.

Background

The wind power gear box is an important mechanical component in a wind generating set, and the main function of the wind power gear box is to match the rotating speed of a wind wheel under the action of wind power with a generator.

Ordinary planet carrier does not have supplementary mounting structure mostly among the prior art, easily appears the problem of axle center skew, and ordinary planet carrier does not have additional strengthening mostly among the prior art simultaneously, and round pin shaft hole stress is too big, easily appears the problem of fracture, and secondly ordinary planet carrier does not have shock-absorbing structure mostly among the prior art, easily appears the problem of vibrations in the planet machine work.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: most of common planet carriers in the prior art have no auxiliary mounting structures, and the problem of axle center deviation is easy to occur.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a wind power gearbox planet carrier, comprising: the top shell is provided with a main shaft ring in an integrated casting mode, the main shaft ring is tubular, the structural strength of the main shaft in rotation is greatly improved by the tubular main shaft ring, the pressure born by the outer wall of the top shell is reduced, the outer wall of one side, away from the bottom shell, of the top shell is provided with a shaft hole, the inner wall of the shaft hole is spliced with a pin shaft, and the function of prolonging the service life of the top shell is realized through the main shaft ring.

According to the preferred technical scheme, the clamping seat is integrally cast on the inner wall of the bottom shell close to the top shell, the clamping seat is semicircular, the semicircular clamping seat increases the overall structural strength after the top shell and the bottom shell are installed, the positioning function is achieved, the outer wall of the bottom shell close to the top shell is connected with the sealing sheet in an adhesive mode, the outer wall of the sealing sheet is tightly attached to the outer wall of the top shell, the sealing effect after the top shell and the bottom shell are installed is improved by the sealing sheet, and the function of facilitating assembly and disassembly is achieved through the clamping seat.

According to the preferable technical scheme, the outer wall of the bottom shell is connected with three mounting grooves in a welding mode, the three mounting grooves are uniformly distributed on the outer wall of the bottom shell, the inner walls of the three mounting grooves are tightly attached to the outer wall of the top shell, the inner walls of the three mounting grooves are connected with the shock pad in an adhering mode, and after the three mounting grooves and the mounting grooves are installed in a sliding mode, the shock pad connected between the installation body and the bottom shell in an adhering mode achieves a shock absorption function.

According to the preferable technical scheme, the outer wall of one side, close to the top shell, of the bottom shell is connected with three convex rings in a welding mode, the convex rings are opposite to the shaft holes, the outer walls of the convex rings are connected with supporting blocks in a welding mode, the supporting blocks are evenly distributed on the outer walls of the convex rings in an annular mode, and the trapezoidal supporting blocks can strengthen the structure of the outer wall of the shaft hole and reduce the weight of the shell at the same time of improving the structural strength.

According to the preferable technical scheme, the outer wall of the top end of the bottom shell is in threaded connection with the oil injection hole, the function of lubricating the gear in the shell at any time is achieved through the oil injection hole, the inner wall of the bottom shell, close to the top shell, of one side is provided with the three oil outlet holes, the three oil outlet holes are horizontally and vertically arranged with the three shaft holes, the three oil outlet holes can simultaneously discharge oil to uniformly lubricate the gear, and the oil injection hole is communicated with an oil way of the oil outlet holes to achieve conveying of lubricating oil.

The utility model has the following advantages: the problem of ordinary planet carrier do not have auxiliary mounting structure mostly among the prior art has been solved through cassette and mounting groove, the axle center skew easily appears, it does not have additional strengthening mostly to have solved ordinary planet carrier among the prior art through protruding circle and supporting shoe, and the stress of round pin shaft hole is too big, the problem of crack easily appears, solved ordinary planet carrier among the prior art and do not have shock-absorbing structure mostly through the shock pad, the problem of vibrations easily appears in planet machine work.

Drawings

FIG. 1 is a schematic perspective view of a main body of a planet carrier of a wind power gearbox according to a preferred embodiment of the present invention;

FIG. 2 is a schematic sectional top view of a top shell of a planet carrier of a wind power gearbox according to a preferred embodiment of the utility model;

fig. 3 is a schematic perspective view of a convex ring of a planet carrier of a wind power gear box according to a preferred embodiment of the utility model.

Description of reference numerals: 1. a bottom case; 2. a top shell; 3. a card holder; 4. mounting grooves; 5. a shock pad; 6. a convex ring; 7. a support block; 8. a shaft hole; 9. a pin shaft; 10. a main shaft ring; 11. sealing the sheet; 12. an oil filler hole; 13. an oil outlet.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

The utility model will be further explained with reference to the drawings.

Referring to fig. 1-3, a planetary carrier of a wind power gearbox includes:

bottom shell

1, 1 outer wall one side screw rod of bottom shell is connected with top shell 2, and top shell 2 keeps away from the integrative casting of 1 one side outer wall of bottom shell and has main shaft circle 10, and main shaft circle 10 is the tubulose for promote main shaft stability, top shell 2 keeps away from 1 one side outer wall of bottom shell and has seted up shaft hole 8, is used for installing round

pin axle

9, and 8 inner walls in shaft hole are pegged graft and are had round pin axle 9.

Wherein, 6 outer walls of protruding circle are cyclic annular evenly distributed and have supporting shoe 7, supporting shoe 7 welded connection is in 6 outer walls of protruding circle, the structural strength of protruding circle 6 has been promoted greatly, shaft hole 8 is relative with protruding circle 6, three protruding 6 welded connection of circle is in bottom shell 1 and is close to 2 outer wall one sides of top shell, 2 outer wall one sides of top shell closely laminate with the 11 outer wall of gasket, increase sealed effect and connection stability, 11 bonding connection of gasket are in bottom shell 1 and are close to 2 outer wall one sides of top shell, 3 integrative castings of cassette are close to 2 inner wall one sides of top shell with bottom shell 1, make things convenient for 2 location installation of top shell.

Wherein, 5 adhesive connection of shock pad are in three mounting groove 4 inner walls, realize the absorbing effect of during operation, 2 outer walls of epitheca and 4 inner walls of mounting groove are closely laminated, realize the assistance-localization real-time function, 1 outer wall evenly distributed of drain pan has mounting

groove

4, 4 welded connection in the function of realizing convenient loading and unloading in 1 outer wall of drain pan,

oil outlet

13 and 12 oil circuits of oil filler point intercommunication, realize the transport of lubricating oil, three oil outlet is seted up in drain pan 1 and is close to 2 one side inner walls of kicking block, realize the oil function, 12 threaded connection in the outer pendulum of drain pan 1 top.

In particular, when in use, the top shell 2 is aligned with the clamping seat 3 and inserted into the bottom shell 1, the structural strength of the top shell 1 and the bottom shell 1 after being installed is enhanced, during the insertion process, the sealing sheet 11 is arranged between the bottom shell 1 and the top shell 2, the stability and the precision between the bottom shell 1 and the top shell 2 during installation are improved, the outer wall of the top shell 2 is tightly attached to the inner wall of the mounting groove 4, so that the accurate positioning function is realized, the assembly and disassembly are convenient, after the bottom shell 1 and the top shell 2 are installed, the mounting groove 4 is inserted into an installation body in a sliding manner, so that the quick assembly and disassembly function is provided, the shock absorption pad 5 which is bonded and connected with the outer wall of the mounting groove 4 provides a shock absorption function when the top shell 2 and the bottom shell 1 provide work, the supporting block 7 is connected to the outer wall of the convex ring 6 in an annular welding manner, the structural strength of the convex ring 6 is increased, and the stress caused by the work of the pin shaft 9 is reduced, when lubrication is needed, oil is filled into the bottom shell 1 through the oil filling hole 12, and the lubricating oil is discharged from the oil outlet hole 13 to lubricate the gear.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Other parts of the utility model not described in detail are prior art and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A wind power gearbox planet carrier, comprising: the improved structure of the hinge pin is characterized by comprising a bottom shell (1), wherein a top shell (2) is connected to a screw rod on one side of the outer wall of the bottom shell (1), a spindle ring (10) is integrally cast on the outer wall of one side, away from the bottom shell (1), of the top shell (2), the spindle ring (10) is tubular, a shaft hole (8) is formed in the outer wall of one side, away from the bottom shell (1), of the top shell (2), and a pin shaft (9) is inserted into the inner wall of the shaft hole (8).

2. The planet carrier of the wind power gearbox according to claim 1, wherein the inner wall of the bottom shell (1) near the top shell (2) is integrally cast with a clamping seat (3), the clamping seat (3) is semicircular, the outer wall of the bottom shell (1) near the top shell (2) is bonded with a sealing sheet (11), and the outer wall of the sealing sheet (11) is tightly attached to the outer wall of the top shell (2).

3. The planet carrier of the wind power gearbox according to claim 1, wherein the outer wall of the bottom shell (1) is welded with three mounting grooves (4), the three mounting grooves (4) are uniformly distributed on the outer wall of the bottom shell (1), the inner walls of the three mounting grooves (4) are closely attached to the outer wall of the top shell (2), and the inner walls of the three mounting grooves (4) are all bonded with a shock pad (5).

4. The planet carrier of the wind power gearbox according to claim 1, wherein the outer wall of the bottom shell (1) near the top shell (2) is welded with three convex rings (6), the convex rings (6) are opposite to the shaft holes (8), the outer wall of the convex rings (6) is welded with supporting blocks (7), and the supporting blocks (7) are uniformly distributed on the outer wall of the convex rings (6) in an annular shape.

5. The planet carrier of the wind power gearbox is characterized in that an oil filling hole (12) is connected to the outer wall of the top end of the bottom shell (1) in a threaded mode, three oil outlet holes (13) are formed in the inner wall of one side, close to the top shell (2), of the bottom shell (1), the three oil outlet holes (13) are horizontally and vertically arranged with three shaft holes (8), and the oil filling hole (12) is communicated with an oil way of the oil outlet holes (13).