CN218913621U

CN218913621U - Novel belt pulley mounting structure

Info

Publication number: CN218913621U
Application number: CN202223312673.XU
Authority: CN
Inventors: 谭逢玖
Original assignee: Chongqing Wenao Machinery Co ltd
Current assignee: Chongqing Wenao Machinery Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-04-25
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a novel belt pulley installation structure, and relates to the technical field of belt pulley installation. This novel belt pulley mounting structure aims at solving traditional belt pulley installation in-process, hydro-cylinder push-pull force is great to the precision influence of back bearing, and the frictional heat of belt pulley is great to the temperature rise influence of back bearing, this novel belt pulley mounting structure includes main shaft and belt pulley, be provided with back bearing on the main shaft, the belt pulley cover is established on the main shaft, the outer surface left side welding of main shaft has the spacing ring, cooperate with belt pulley right side terminal surface, be convenient for carry out spacing to the belt pulley and block, make and leave certain distance space between belt pulley and the back bearing, reduce heat conduction, the main shaft left end is provided with the dog, the dog right surface cooperatees with belt pulley left end face, a plurality of first screw holes have been seted up on the main shaft left surface, dog left surface inboard is provided with a plurality of first screws, with first screw hole screw-thread fit, the steadiness of dog has been ensured, and then extrusion is fixed to the belt pulley.

Description

Novel belt pulley mounting structure

Technical Field

The utility model belongs to the technical field of belt pulley installation, and particularly relates to a novel belt pulley installation structure.

Background

The conventional main shaft belt pulley is characterized in that a nut is added at the rear end of the main shaft to bear axial load, the bearing point of the belt pulley is close to the bearing at the rear end, the main shaft has about 0.005 deformation under the action of the tension force of an oil cylinder, and the deformation is small, but the influence on the precision main shaft and the bearing in the main shaft is very large, and the service life and the precision are very large.

The traditional belt pulley mounting structure has the advantages that in the use process, the push-pull force of the oil cylinder has a larger influence on the precision of the rear bearing, and the friction heat of the belt pulley has a larger influence on the temperature rise of the rear bearing, so that the service life of the rear bearing is seriously influenced.

In order to solve the problems, a novel belt pulley mounting structure is provided.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a novel belt pulley mounting structure, and aims to solve the problems that the precision influence of the push-pull force of an oil cylinder on a rear bearing is large, the temperature rise of the rear bearing is large due to the friction heat of the belt pulley, and the service life of the rear bearing is seriously influenced due to the traditional belt pulley mounting in the prior art.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a novel belt pulley mounting structure, which comprises a main shaft and a rear bearing, wherein the rear bearing is arranged on the main shaft, a belt pulley is arranged on the left side of the rear bearing, the belt pulley is sleeved on the main shaft, a limiting ring is welded on the left side of the outer surface of the main shaft, the limiting ring is mutually matched with the right end surface of the belt pulley, a stop block is arranged at the left end of the main shaft, the outer side of the right surface of the stop block is mutually matched with the left end surface of the belt pulley, a plurality of first threaded holes are formed in the left surface of the main shaft, a plurality of first screws are in threaded fit with the inner side of the left surface of the stop block, a plurality of second threaded holes are formed in one side, close to the main shaft, of the left surface of the belt pulley, which is far away from the main shaft, of the first screws, and the second screws are in threaded fit with the stop block and the second threaded holes.

Through mutually supporting of spacing ring and belt pulley right-hand member face, the cooperation of combining dog and belt pulley left end face is convenient for extrude fixedly to the belt pulley, wherein the screw fit of first screw and first screw hole, the convenience is in the same place dog and main shaft fixed connection, the screw fit of combining second screw and second screw hole, the convenience is in the same place dog and belt pulley fixed connection, the stability of belt pulley has further been ensured, the installation of belt pulley has been realized, wherein the effect of spacing ring, leave certain distance space between messenger's belt pulley and the back bearing, effectively reduced the heat conduction, reduce the influence of the frictional heat of belt pulley to the back bearing, ensure the life of back bearing.

Preferably, one side of the limiting ring, which is close to the belt pulley, is welded with a plurality of clamping blocks, and one side of the right surface of the belt pulley, which is close to the main shaft, is provided with a plurality of clamping grooves.

Further, the clamping blocks are in one-to-one correspondence with the clamping grooves and are matched with each other.

Furthermore, the clamping block and the clamping groove are of arc structures, and the inner side surface of the clamping block is attached to the outer surface of the main shaft.

Furthermore, a plurality of mutually matched third threaded holes are formed in the right surface of the stop block and the left surface of the belt pulley, and third screws are in threaded fit with the inner parts of the third threaded holes.

Further, a groove is formed in the outer side of the third threaded hole in the surface of the belt pulley and is matched with the right end of the third screw.

(3) Advantageous effects

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

1. according to the utility model, through the mutual matching of the limit ring and the right end face of the belt pulley and the mutual matching of the stop block and the left end face of the belt pulley, the belt pulley is conveniently extruded and fixed, wherein the first screw is in threaded matching with the first threaded hole, the stop block is conveniently and fixedly connected with the main shaft, the second screw is combined with the threaded matching of the second threaded hole, the stop block is conveniently and fixedly connected with the belt pulley, the stability of the belt pulley is further ensured, the belt pulley is mounted, the effect of the limit ring is realized, a certain distance space is reserved between the belt pulley and the rear bearing, the heat conduction is effectively reduced, the influence of friction heat of the belt pulley on the rear bearing is reduced, and the service life of the rear bearing is ensured.

2. According to the utility model, the stability between the belt pulley and the stop block is further ensured through the threaded fit of the third screw and the third threaded hole.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 isbase:Sub>A schematic view of the structure of section A-A in FIG. 2;

FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 3;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3 at C;

fig. 6 is an enlarged schematic view of the structure at D in fig. 3.

The marks in the drawings are: 1. a main shaft; 2. a rear bearing; 3. a belt pulley; 4. a limiting ring; 5. a stop block; 6. a first screw; 7. a second screw; 8. a first threaded hole; 9. a second threaded hole; 10. a clamping block; 11. a clamping groove; 12. a third screw; 13. and a third threaded hole.

Detailed Description

This concrete embodiment is novel belt pulley mounting structure, as shown in fig. 1-6, this novel belt pulley mounting structure, including main shaft 1 and back bearing 2, back bearing 2 sets up on main shaft 1, back bearing 2 left side is provided with belt pulley 3, and belt pulley 3 cover is established on main shaft 1, main shaft 1 surface left side welding has spacing ring 4, spacing ring 4 and belt pulley 3 right side terminal surface mutually support, main shaft 1 left end is provided with dog 5, dog 5 right side surface outside and belt pulley 3 left end face mutually support, a plurality of first screw holes 8 have been seted up on main shaft 1 left side surface, dog 5 left side surface inboard screw fit has a plurality of first screw 6, first screw 6 and first screw hole 8 screw fit, a plurality of second screw holes 9 have been seted up on one side that the belt pulley 3 left side surface is close to main shaft 1, one side that main shaft 1 was kept away from to first screw 6 is provided with second screw 7, and second screw 7 and dog 5 and second screw hole 9 screw fit.

Through the mutually supporting of spacing ring 4 and pulley 3 right-hand member face, combine the mutually supporting of dog 5 and pulley 3 left end face, be convenient for extrude fixedly to pulley 3, wherein the screw fit of first screw 6 and first screw hole 8, conveniently be in the same place dog 5 and main shaft 1 fixed connection, the screw fit of combining second screw 7 and second screw hole 9, conveniently be in the same place dog 5 and pulley 3 fixed connection, further ensured pulley 3's stability, the installation of pulley 3 has been realized, wherein the effect of spacing ring 4, make and leave certain distance space between pulley 3 and the rear bearing 2, effectively reduced the heat conduction, reduce the influence of the frictional heat of pulley 3 to rear bearing 2, ensure rear bearing 2's life.

One side welding that spacing ring 4 is close to belt pulley 3 has a plurality of fixture blocks 10, and the one side that belt pulley 3 right surface is close to main shaft 1 has offered a plurality of draw-in grooves 11, fixture block 10 and draw-in groove 11 one-to-one, mutually support, fixture block 10 and draw-in groove 11 are the arc structure, and fixture block 10 inboard surface and main shaft 1 surface laminating, through the one-to-one of fixture block 10 and draw-in groove 11, mutually support, further play spacing effect to belt pulley 3, prevent that belt pulley 3 and main shaft 1 from taking place relative rotation, guarantee the stability that belt pulley 3 drove main shaft 1 rotation process.

The third screw hole 13 of a plurality of mutually supporting is all offered on dog 5 right surface and belt pulley 3 left surface, the inside screw fit of third screw hole 13 has third screw 12, the recess is offered in the third screw hole 13 outside on belt pulley 3 surface, mutually support with third screw 12 right-hand member, screw fit through third screw 12 and third screw hole 13 has further ensured the steadiness of being connected between belt pulley 3 and the dog 5, and then guaranteed the whole steadiness of main shaft 1 and belt pulley 3, combine the mutually supporting of recess and third screw 12 right-hand member, prevent effectively that third screw 12 right-hand member from protruding, influence drive belt's installation and use.

Working principle: when the novel belt pulley mounting structure of the technical scheme is used, firstly, the belt pulley 3 is sleeved on the main shaft 1 through the left end of the main shaft 1, the clamping groove 11 on the right surface of the belt pulley 3 is adjusted to be aligned with the clamping block 10, the belt pulley 3 is pushed to be in contact with the limiting ring 4, and at the moment, the clamping block 10 is clamped into the corresponding clamping groove 11, so that the purpose of preliminary limiting and fixing of the belt pulley 3 is achieved;

then, the stop block 5 is adjusted to be in contact with the left end face of the main shaft 1, so that the first screw 6 and the second screw 7 are aligned with the first threaded hole 8 and the second threaded hole 9 respectively, under the threaded fit of the first screw 6 and the first threaded hole 8 and the threaded fit of the second screw 7 and the second threaded hole 9, the first screw 6 is adjusted to be screwed inwards of the first threaded hole 8, the stop block 5 is stably connected with the main shaft 1, and meanwhile, the second screw 7 is adjusted to be screwed inwards of the second threaded hole 9, so that the stop block 5 is firmly connected with the belt pulley 3;

at the moment, the third threaded hole 13 on the right surface of the stop block 5 is aligned with the third threaded hole 13 on the left surface of the belt pulley 3, and under the threaded fit of the third screw 12 and the third threaded hole 13, the third screw 12 is adjusted to be screwed in through the third threaded hole 13 on the surface of the belt pulley 3 until being screwed in the third threaded hole 13 on the right surface of the stop block 5, so that the connection stability between the belt pulley 3 and the stop block 5 is further ensured;

simultaneously, under the mutual cooperation of the groove and the right end of the third screw 12, the third screw 12 is adjusted to be screwed inwards until the right end of the third screw 12 is retracted into the groove, so that the right end of the third screw 12 is effectively prevented from protruding, and the installation and the use of a transmission belt are affected.

According to the utility model, the right end face of the belt pulley 3 is limited and blocked through the limiting ring 4, so that a certain distance space is reserved between the belt pulley 3 and the rear bearing 2, the heat conduction is reduced, the influence of friction heat of the belt pulley 3 on the rear bearing 2 is effectively reduced, meanwhile, the stop block 5 is connected with the main shaft 1 and the belt pulley 3 through screws, and the stability of the belt pulley 3 is ensured by combining the mutual matching of the clamping block 10 and the clamping groove 11, and the influence of the push-pull force of the oil cylinder on the precision of the rear bearing 2 is effectively reduced.

It should be further noted that, the installation structure, connection manner or arrangement manner of each member in the present utility model is a common mechanical manner, and can be implemented as long as the beneficial effects thereof can be achieved.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims

1. The utility model provides a novel belt pulley mounting structure, includes main shaft (1) and back bearing (2), a serial communication port, back bearing (2) set up on main shaft (1), back bearing (2) left side is provided with belt pulley (3), just belt pulley (3) cover is established on main shaft (1), the welding of main shaft (1) surface left side has spacing ring (4), spacing ring (4) and belt pulley (3) right side terminal surface mutually support, main shaft (1) left end is provided with dog (5), dog (5) right surface outside and belt pulley (3) left end face mutually support, a plurality of first screw holes (8) have been seted up on main shaft (1) left side surface, dog (5) left surface inboard screw-thread fit has a plurality of first screw (6), a plurality of second screw holes (9) have been seted up to one side that belt pulley (3) left side surface is close to main shaft (1), one side that main shaft (1) was kept away from to first screw (6) is provided with second screw (7), and second screw (7) and second screw hole (9) screw-thread fit.

2. The novel belt pulley mounting structure according to claim 1, wherein a plurality of clamping blocks (10) are welded on one side, close to the belt pulley (3), of the limiting ring (4), and a plurality of clamping grooves (11) are formed on one side, close to the main shaft (1), of the right surface of the belt pulley (3).

3. The novel belt pulley mounting structure according to claim 2, wherein the clamping blocks (10) are in one-to-one correspondence with the clamping grooves (11) and are matched with each other.

4. The novel belt pulley mounting structure according to claim 3, wherein the clamping block (10) and the clamping groove (11) are of arc-shaped structures, and the inner side surface of the clamping block (10) is attached to the outer surface of the main shaft (1).

5. The novel belt pulley mounting structure according to claim 4, wherein a plurality of mutually matched third threaded holes (13) are formed in the right surface of the stop block (5) and the left surface of the belt pulley (3), and third screws (12) are in threaded fit with the third threaded holes (13).

6. The novel belt pulley mounting structure according to claim 5, wherein the outer side of the third threaded hole (13) on the surface of the belt pulley (3) is provided with a groove, and the groove is matched with the right end of the third screw (12).