CN215567771U

CN215567771U - Special-shaped belt pulley is used in processing of dysmorphism machine parts

Info

Publication number: CN215567771U
Application number: CN202121065975.4U
Authority: CN
Inventors: 方彪; 王安民; 王俊
Original assignee: Tianjin Liyangze Mechanical and Electrical Equipment Co Ltd
Current assignee: Tianjin Liyangze Mechanical and Electrical Equipment Co Ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-18
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a special-shaped belt pulley for machining a special-shaped mechanical accessory, which comprises a special-shaped belt pulley, a driving wheel and a taper sleeve, wherein the special-shaped belt pulley consists of the driving wheel and the taper sleeve, the driving wheel is formed by integrally casting an outer ring, a supporting wheel body, a reinforcing strip and an inner ring, six screw holes are formed in the inner ring body in an annular array, three spline grooves B are formed in the inner surface of the inner ring in the annular array, the taper sleeve is formed by integrally casting a disc and a cylinder, small round holes which correspond to the screw holes one by one are formed in the disc, three spline grooves C are formed in the outer surface of the cylinder in the annular array, a spline groove A is formed in the inner surface of the cylinder, the taper sleeve is screwed into the screw holes through the small round holes in a spiral mode and fixed on the driving wheel through fixing screws, and splines are arranged in the three spline grooves B and the three spline grooves C. Compared with the traditional special-shaped belt pulley, the belt pulley inner spline groove wear-following replacement can be realized only by replacing the taper sleeve without replacing the whole belt pulley.

Description

Special-shaped belt pulley is used in processing of dysmorphism machine parts

Technical Field

The utility model relates to the technical field of mechanical transmission devices, in particular to a special-shaped belt pulley for processing special-shaped mechanical accessories.

Background

The special-shaped belt pulley belongs to one of belt pulleys, belongs to hub parts, and generally has a relatively large size, and the manufacturing process generally mainly comprises casting and forging. The design with larger size is designed to be a casting method, the material is generally cast iron (with better casting performance), and the cast steel is rarely used (with poor casting performance); generally, the steel is small in size and can be designed to be forged, and the material is steel. The belt pulley is mainly used in the occasion of transmitting power in a long distance, such as the output of small diesel engine power, agricultural vehicles, tractors, automobiles, mining machinery, machining equipment, textile machinery, packaging machinery, lathes, forging beds, the transmission of power of some small horsepower motorcycles, the transmission of power of agricultural machinery, air compressors, speed reducers, generators, cotton ginning machines and the like,

traditional dysmorphism belt pulley all is the bulk casting, and the belt pulley is installed and is fixed through the nut on the transmission shaft, and when the nut is not hard up, the belt pulley atress is uneven, and inside spline groove can wear and tear, if not in time discover that the nut is not hard up, whole belt pulley spline groove wearing and tearing are played and just need wholly to be changed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special-shaped belt pulley for machining a special-shaped mechanical part, which only needs to replace a taper sleeve when compared with the conventional special-shaped belt pulley in which an internal spline groove is worn and replaced, does not need the advantage of replacing the whole belt pulley, and solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dysmorphism is special-shaped belt pulley for machine part processing, includes special-shaped belt pulley, drive wheel and taper sleeve, special-shaped belt pulley comprises drive wheel and taper sleeve, the drive wheel is formed by outer rim, supporting wheel body, consolidates strip and the whole casting of inner rim, is annular array on the inner rim body and has seted up six screw holes, and the inner surface of inner rim is annular array and has seted up three spline groove B, the taper sleeve is formed by the whole casting of disc and drum, sets up the little round hole with screw hole one-to-one on the disc, and the drum outward appearance is annular array and has seted up three spline groove C, and a spline groove A has been seted up to the drum internal surface, the taper sleeve passes the little round hole spiral through the fixed screw and twists the screw downthehole fixing on the drive wheel, and three spline groove B installs the spline with three spline groove C.

Preferably, the outer wheel ring and the inner wheel ring are respectively positioned at the outer end and the inner end of the support wheel body, the front surface and the back surface of the support wheel body are in an annular array and are respectively provided with six reinforcing strips, and the reinforcing strips are connected with the outer wheel ring and the inner wheel ring together.

Preferably, two belt grooves in a V-shaped design are formed in the outer ring.

Preferably, the outer diameter of the cylinder is the same as the inner diameter of the inner ring.

Preferably, six large circular holes distributed in an annular array are formed in the supporting wheel body.

Preferably, the taper sleeve is integrally provided with a crack groove.

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

according to the utility model, the special-shaped belt pulley is divided into the driving wheel and the taper sleeve, the taper sleeve is screwed into the screw hole on the inner ring by penetrating through the small round hole on the disc through the fixing screw, and the taper sleeve is fixed on the driving wheel, so that only the taper sleeve needs to be replaced when compared with the conventional special-shaped belt pulley when the spline groove in the special-shaped belt pulley is worn and replaced, the whole belt pulley is not required to be replaced, and resources are saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a driving wheel according to the present invention;

FIG. 3 is a schematic view of the structure of the taper sleeve of the present invention;

fig. 4 is a side view of the driving wheel of the present invention.

In the figure: 1. an outer wheel ring; 2. supporting the wheel body; 3. an inner race; 4. reinforcing the strips; 5. a large circular hole; 6. a spline groove A; 7. a small circular hole; 8. a disc; 9. fixing screws; 10. a screw hole; 11. a spline groove B; 12. a cylinder; 13. a spline groove C; 14. the belt groove.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution of a special-shaped pulley for machining a special-shaped mechanical fitting: a special-shaped belt pulley for processing special-shaped mechanical accessories comprises a special-shaped belt pulley, a transmission wheel and a taper sleeve, wherein the special-shaped belt pulley consists of the transmission wheel and the taper sleeve, the transmission wheel consists of an outer wheel ring 1, a supporting wheel body 2, reinforcing strips 4 and an inner wheel ring 3 which are integrally cast, the outer wheel ring 1 and the inner wheel ring 3 are respectively positioned at the outer end and the inner end of the supporting wheel body 2, the front surface and the back surface of the supporting wheel body 2 are in annular arrays and are respectively provided with six reinforcing strips 4, the reinforcing strips 4 are connected with the outer wheel ring 1 and the inner wheel ring 3 together, the outer wheel ring 1 is provided with two belt grooves 14 in a V-shaped design, the supporting wheel body 2 is provided with six large circular holes 5 distributed in an annular array, the inner wheel ring 3 is provided with six inner surface screw holes 10 in an annular array, and the inner wheel ring 3 is provided with three spline grooves B11 in an annular array; the big round hole 5 arranged on the supporting wheel body 2 can save resources and reduce the weight of the driving wheel.

The taper sleeve is formed by integrally casting a disc 8 and a cylinder 12, the taper sleeve is integrally provided with crack grooves, the disc 8 is provided with small round holes 7 which are in one-to-one correspondence with screw holes 10, the outer diameter of the cylinder 12 is the same as the inner diameter of the inner ring 3, the outer surface of the cylinder 12 is in an annular array and is provided with three spline grooves C13, and the inner surface of the cylinder 12 is provided with a spline groove A6; the taper sleeve is integrally provided with a crack groove, the principle of expansion with heat and contraction with cold is better possessed, the cylinder 12 can be effectively prevented from being overheated to expand and damage when rotating, and the whole special-shaped belt pulley is clamped into a spline on the transmission shaft through a spline groove A6 arranged on the inner surface of the cylinder 12 to be fixed with the spline.

The taper sleeve is screwed into the screw hole 10 through a fixing screw 9 passing through the small round hole 7 and fixed on the driving wheel, and splines are arranged in the three spline grooves B11 and the three spline grooves C13; when the special-shaped belt pulley rotates, the taper sleeve drives the driving wheel to rotate, acting force is completely concentrated on splines in the spline grooves B11 and the spline grooves C13, the fixing screw 9 only plays a role in fixing displacement, and therefore the fixing screw 9 cannot be broken generally.

The working principle is as follows: when the special-shaped belt pulley is in work, when the spline notch in the special-shaped belt pulley is worn and replaced, the special-shaped belt pulley is taken out of the transmission shaft, the fixing screw 9 is taken out through a tool, the taper sleeve is drawn out of the transmission wheel to be replaced, when the taper sleeve is installed, the spline is firstly placed in the spline groove C13 on the cylinder 12, then the spline is aligned with the three spline grooves B11 formed in the inner ring 3, a new taper sleeve is inserted into the inner ring 3, the fixing screw 9 penetrates through the small round hole 7 to be screwed into the screw hole 10 to be fixed on the inner ring 3, and only the taper sleeve needs to be replaced when the special-shaped belt pulley is worn and replaced compared with the conventional special-shaped belt pulley, and the whole belt pulley does not need to be replaced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dysmorphism machine parts processing is with special-shaped belt pulley, includes special-shaped belt pulley, drive wheel and taper sleeve, its characterized in that: the special-shaped belt pulley consists of a transmission wheel and a taper sleeve, the transmission wheel is formed by integrally casting an outer wheel ring (1), a supporting wheel body (2), a reinforcing strip (4) and an inner wheel ring (3), six screw holes (10) are formed in the ring body of the inner wheel ring (3) in an annular array, three spline grooves B (11) are formed in the inner surface of the inner wheel ring (3) in an annular array, the taper sleeve is formed by integrally casting a disc (8) and a cylinder (12), small round holes (7) which are in one-to-one correspondence with screw holes (10) are formed in the disc (8), three spline grooves C (13) are formed in the outer surface of the cylinder (12) in an annular array, a spline groove A (6) is formed in the inner surface of the cylinder (12), the taper sleeve is screwed into the screw hole (10) through a fixing screw (9) passing through the small round hole (7) and fixed on the driving wheel, and splines are arranged in the three spline grooves B (11) and the three spline grooves C (13).

2. The special-shaped pulley for machining the special-shaped mechanical part as claimed in claim 1, wherein: the outer wheel ring (1) and the inner wheel ring (3) are respectively positioned at the outer end and the inner end of the supporting wheel body (2), the front surface and the back surface of the supporting wheel body (2) are in an annular array and are respectively provided with six reinforcing strips (4), and the reinforcing strips (4) are connected with the outer wheel ring (1) and the inner wheel ring (3).

3. The special-shaped pulley for machining the special-shaped mechanical part as claimed in claim 1, wherein: two belt grooves (14) in a V-shaped design are formed in the outer wheel ring (1).

4. The special-shaped pulley for machining the special-shaped mechanical part as claimed in claim 1, wherein: the outer diameter of the cylinder (12) is the same as the inner diameter of the inner ring (3).

5. The special-shaped pulley for machining the special-shaped mechanical part as claimed in claim 1, wherein: six large round holes (5) distributed in an annular array are formed in the supporting wheel body (2).

6. The special-shaped pulley for machining the special-shaped mechanical part as claimed in claim 1, wherein: the taper sleeve is integrally provided with a crack groove.