CN211852060U

CN211852060U - Anti-rotation pin shaft threaded connection inner ring device of wind power locking disc

Info

Publication number: CN211852060U
Application number: CN201922202512.7U
Authority: CN
Inventors: 闫龙翔; 赵俊民; 卫文达
Original assignee: Luoyang Haozhi Mechanical Co ltd
Current assignee: Luoyang Haozhi Mechanical Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-11-03
Anticipated expiration: 2029-12-10

Abstract

An anti-rotation pin shaft of a wind power locking disc is in threaded connection with an inner ring device, the outer wall of the inner ring of the locking disc is provided with an inner ring outer conical surface, a conical hole is reserved in the middle of the outer ring of the locking disc, and a locking disc inner ring is arranged in the conical hole; one side of the inner ring flange plate is reserved as an inner ring platform groove corresponding to the large-diameter end of the inner ring of the locking plate, and the inner ring of the locking plate is arranged in the inner ring platform groove; a pin hole reserved on the wall body of the inner ring flange plate is provided with a positioning pin hole, and a pin hole reserved on the wall body of the inner ring flange plate is provided with a limiting pin hole; the positioning pin hole and the limiting pin hole are respectively and correspondingly arranged into pin hole holes which are penetrated oppositely, and the positioning pin hole and the limiting pin hole are respectively provided with a positioning pin shaft; the utility model discloses an at least a pair of round pin shaft hole is reserved to a week equipartition that the inner ring flange wall body corresponds locking dish inner ring wall body, sets up the locating pin axle in the at least a pair of round pin shaft hole respectively, can prevent that inner ring flange dish and locking dish inner ring are rotatory, by a wide margin improvement economic benefits, ensure safety in production and use.

Description

Anti-rotation pin shaft threaded connection inner ring device of wind power locking disc

Technical Field

The utility model relates to an inner ring device of locking dish for the transmission shaft, especially a wind-powered electricity generation locking dish prevent changeing round pin axle spiro union inner ring device.

Background

At present, a large amount of steel can be saved by a wind power locking disc inner ring threaded assembly device of a wind power generating set, an inner ring and a flange of the wind power locking disc inner ring threaded assembly device are formed by threaded connection of an inner thread and an outer thread, and a large amount of production cost can be saved; in the operation process of the wind generating set, because the inner ring is in threaded connection with the flange through the inner wire and the outer wire, the load transmitted by the large-scale fan blade through the inner ring threaded connection assembly device is huge, and the threads in threaded connection with the inner wire and the outer wire of the inner ring threaded connection assembly device are easy to change and stretch under the action of temperature, so that the threads of the inner wire and the outer wire are loosened, and even the flange rotates; once the flange rotates, the locking disc is loosened, the fan blades are unstable, the operation of the whole machine is affected, and then the machine is stopped to maintain or replace parts, large-scale equipment and labor are needed for maintaining or replacing the parts, the waste of expenditure is huge, and the after-sale economic burden of enterprises is caused; in view of the above reasons, an anti-rotation pin shaft screwing inner ring device of a wind power locking disc is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problem that the threads of the inner thread and the outer thread are easy to be changed and stretched by temperature and cause the loosening phenomenon of the threads of the inner thread and the outer thread and even the rotation of a flange in the long-term operation process of the wind power locking disc inner thread and the outer thread; the locking disc is loosened, the fan blades are unstable, the operation of the whole machine is influenced, and then the machine is stopped to maintain or replace parts, large-scale equipment and labor are needed for maintaining or replacing the parts, the cost waste is huge, and the economic burden of enterprises after sale is caused, and the anti-rotation pin shaft of the wind power locking disc is screwed with the inner ring device through reasonable design; the utility model discloses an at least a pair of round pin shaft hole is reserved to a week equipartition that the inner ring flange wall body corresponds locking dish inner ring wall body, set up the positioning pin axle in the at least a pair of round pin shaft hole respectively, it is rotatory with the locking dish inner ring to prevent the inner ring flange, wind power generator is at the operation in-process, the internal thread of inner ring flange and locking dish inner ring, the screw thread of outer thread receives temperature variation, can not become flexible when flexible, it is rotatory, ensure that wind power generator complete machine can normal operating, reduce the maintenance of shutting down, reduce the equipment of maintenance and artifical and the waste of expenditure and the economic burden after sale of enterprise, energy-concerving and environment-protective has been realized, by a wide margin, ensure safe production.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme, a wind-powered electricity generation locking dish prevent changeing round pin axle spiro union inner ring device, be by: the locking disc comprises a locking disc outer ring, a locking disc inner ring, an inner ring flange plate, a wire threading screw hole, a positioning pin hole, a limiting pin hole, an inner platform groove thread, an inner ring outer conical surface, an inner ring external thread, an inner ring platform groove, a spindle hole and a flange platform; the outer wall of the inner ring of the locking disc is provided with an inner ring outer conical surface, the middle part of the outer ring of the locking disc is provided with a tapered hole, and the inner ring of the locking disc is arranged in the tapered hole; a flange groove table is reserved at the large opening end of the conical hole of the outer ring of the locking disc, and an inner ring flange plate is arranged in the flange groove table; the inner side of the inner ring flange plate and the bottom of the flange groove platform are uniformly distributed with wire penetrating screw holes which are reserved for opposite penetration, and fastening bolts are arranged in the wire penetrating screw holes; one side of the inner ring flange plate is reserved as an inner ring groove corresponding to the large-diameter end of the inner ring of the locking plate, the inner ring of the locking plate is arranged in the inner ring groove, at least two pairs of pin shaft holes are uniformly distributed and reserved on the wall body of the inner ring flange plate corresponding to the circumference of the inner ring wall body of the locking plate, positioning pin shafts are respectively arranged in the at least two pairs of pin shaft holes, and the middle parts of the inner ring flange plate and the inner ring of the locking plate are provided with main shaft;

a pin hole reserved on the wall body of the inner ring flange plate is provided with a positioning pin hole, and a pin hole reserved on the wall body of the inner ring flange plate is provided with a limiting pin hole; the positioning pin hole and the limiting pin hole are respectively and correspondingly arranged into pin hole holes which are penetrated oppositely, and the positioning pin hole and the limiting pin hole are respectively provided with a positioning pin shaft; and threads are arranged between the outer diameter of the inner ring of the locking disc and the inner ring flange plate, threads on the outer side of the large-diameter end of the inner ring outer conical surface of the inner ring of the locking disc are inner ring external threads, threads on the inner wall of the inner ring groove of the inner ring flange plate are inner ring groove threads, and inner ring external threads are correspondingly arranged in the inner ring groove threads.

The beneficial effects are that: the utility model discloses an at least a pair of round pin shaft hole is reserved to a week equipartition that the inner ring flange wall body corresponds locking dish inner ring wall body, set up the positioning pin axle in the at least a pair of round pin shaft hole respectively, it is rotatory with the locking dish inner ring to prevent the inner ring flange, wind power generator is at the operation in-process, the internal thread of inner ring flange and locking dish inner ring, the screw thread of outer thread receives temperature variation, can not become flexible when flexible, it is rotatory, ensure that wind power generator complete machine can normal operating, reduce the maintenance of shutting down, reduce the equipment of maintenance and artifical and the waste of expenditure and the economic burden after sale of enterprise, energy-concerving and environment-protective has been realized, by a wide margin, ensure safe production.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic view of the assembly structure;

FIG. 2 is a schematic side view of the structure of FIG. 1;

FIG. 3 is a schematic view of the flange and inner ring of the locking disk of FIG. 1;

FIG. 4 is a side view schematic of the structure of FIG. 3;

FIG. 5 is a schematic view of the flange configuration of FIG. 1;

FIG. 6 is a schematic view of the inner ring structure of the locking disk of FIG. 1;

in fig. 1, 2, 3, 4, 5, 6: the locking disc comprises a locking disc outer ring 1, a locking disc inner ring 2, an inner ring flange 3, a wire threading screw hole 4, a positioning pin hole 5, a limiting pin hole 6, an inner table groove thread 7, an inner ring outer conical surface 8, an inner ring outer thread 9, an inner ring table groove 10, a spindle hole 11 and a flange table 12.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings:

the outer wall of the inner ring 2 of the locking disc is provided with an inner ring outer conical surface 8, a conical hole is reserved in the middle of the outer ring 1 of the locking disc, and the inner ring 2 of the locking disc is arranged in the conical hole; a flange groove table 12 is reserved at the large opening end of the tapered hole of the outer ring 1 of the locking disc, and an inner ring flange 3 is arranged in the flange groove table 12; the inner side of the inner ring flange 3 and the bottom of the flange groove table 12 are uniformly provided with wire penetrating screw holes 4 which are penetrated oppositely, and fastening bolts are arranged in the wire penetrating screw holes 4; an inner ring groove 10 is reserved at one side of the inner ring flange 3 corresponding to the large-diameter end of the inner ring 2 of the locking disc, the inner ring 2 of the locking disc is arranged in the inner ring groove 10, at least two pairs of pin shaft holes are uniformly distributed and reserved on the wall body of the inner ring flange 3 corresponding to the circumference of the wall body of the inner ring 2 of the locking disc, positioning pin shafts are respectively arranged in the at least two pairs of pin shaft holes, and a main shaft hole 11 is arranged in the middle of the inner ring flange 3 and the inner ring 2 of;

a pin hole reserved on the wall body of the inner ring flange 3 is provided with a positioning pin hole 5, and a pin hole reserved on the wall body of the locking disc inner ring 2 is provided with a limiting pin hole 6; the positioning pin hole 5 and the limiting pin hole 6 are respectively and correspondingly arranged into pin hole holes which are penetrated oppositely, and the positioning pin hole 5 and the limiting pin hole 6 are respectively provided with a positioning pin shaft; threads are arranged between the outer diameter of the inner ring 2 of the locking disc and the inner ring flange 3, threads on the outer side of the large-diameter end of the inner ring outer conical surface 8 of the inner ring 2 of the locking disc are inner ring external threads 9, threads on the inner wall of the inner ring groove 10 of the inner ring flange 3 are inner ring groove threads 7, and the inner ring external threads 9 are correspondingly arranged in the inner ring groove threads 7.

Claims

1. An anti-rotation pin shaft screw connection inner ring device of a wind power locking disc is composed of: the locking disc comprises a locking disc outer ring (1), a locking disc inner ring (2), an inner ring flange plate (3), a wire threading screw hole (4), a positioning pin hole (5), a limiting pin hole (6), an inner platform groove thread (7), an inner ring outer conical surface (8), an inner ring outer thread (9), an inner platform groove (10), a spindle hole (11) and a flange groove platform (12); the method is characterized in that: the outer wall of the locking disc inner ring (2) is provided with an inner ring outer conical surface (8), a conical hole is reserved in the middle of the locking disc outer ring (1), and the locking disc inner ring (2) is arranged in the conical hole; a flange groove table (12) is reserved at the large opening end of a conical hole of the outer ring (1) of the locking disc, and an inner ring flange plate (3) is arranged in the flange groove table (12); the inner side of the inner ring flange plate (3) and the bottom of the flange groove platform (12) are uniformly distributed with wire penetrating screw holes (4) which are reserved in a penetrating way, and fastening bolts are arranged in the wire penetrating screw holes (4); the large-diameter end of the inner ring flange (3) one side corresponding to the locking disc inner ring (2) is reserved as an inner ring groove (10), the locking disc inner ring (2) is arranged in the inner ring groove (10), at least two pairs of pin shaft holes are reserved in a circle of the wall body of the inner ring flange (3) corresponding to the wall body of the locking disc inner ring (2), positioning pin shafts are arranged in the at least two pairs of pin shaft holes respectively, and the middle parts of the inner ring flange (3) and the locking disc inner ring (2) are arranged as a main shaft hole (11).

2. The anti-rotation pin shaft screw joint inner ring device of the wind power locking disc as claimed in claim 1, wherein: a pin hole reserved on the wall body of the inner ring flange plate (3) is provided with a positioning pin hole (5), and a pin hole reserved on the wall body of the locking plate inner ring (2) is provided with a limiting pin hole (6); the positioning pin hole (5) and the limiting pin hole (6) are respectively and correspondingly arranged into pin shaft holes which are penetrated oppositely, and the positioning pin hole (5) and the limiting pin hole (6) are respectively provided with a positioning pin shaft; the locking disc is characterized in that threads are arranged between the outer diameter of the inner ring (2) of the locking disc and the inner ring flange (3), threads on the outer side of the large-diameter end of an inner ring outer conical surface (8) of the inner ring (2) of the locking disc are arranged into inner ring external threads (9), threads on the inner wall of an inner ring groove (10) of the inner ring flange (3) are arranged into inner ring groove threads (7), and inner ring external threads (9) are correspondingly arranged in the inner ring groove threads (7).