CN213839468U

CN213839468U - Low-noise low-vibration flat belt pulley

Info

Publication number: CN213839468U
Application number: CN202022929602.9U
Authority: CN
Inventors: 郭建国; 郭勇; 魏凌峰
Original assignee: Foshan Xuyang Machinery Equipment Co ltd
Current assignee: Foshan Xuyang Machinery Equipment Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-30
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a low noise hangs down vibrations plate belt pulley, concretely relates to plate belt pulley field, including fixed disk and runner, the fixed disk is located inside the runner, the fixed sleeve that is equipped with of fixed disk inner wall, the fixed support sleeve that is equipped with of fixed disk outer wall, the fixed orifices that has the equidistance to distribute is opened to fixed disk one side outer wall, the fixed positioning disk that is equipped with is all fixed to fixed disk both sides outer wall, the guiding hole of looks adaptation is all opened to positioning disk one side outer wall, the fixed backing sheet that is equipped with the equidistance and distributes of support sleeve one side outer wall. The utility model discloses a half arc guide post can reduce the frictional force that belt and fixed slot both sides inner wall produced when rotating in the rotatory in-process of runner, avoids belt and fixed slot both sides inner wall rapid friction and the high temperature that produces, avoids damaging the belt strip body, improves the life of belt strip.

Description

Low-noise low-vibration flat belt pulley

Technical Field

The embodiment of the utility model provides a relate to dull and stereotyped belt pulley technical field, concretely relates to low noise low vibration dull and stereotyped belt pulley.

Background

The belt pulley belongs to a hub part, generally has a relatively large size, and is mainly cast and forged in the manufacturing process. The common large-size design is a casting method, the materials are generally cast iron, and cast steel is rarely used; 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 at 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 gins and the like.

The prior art has the following defects: the high-speed rotatory in-process amplitude of current belt pulley is big, can produce a large amount of noises, and it is healthy to be not convenient for near the personnel duct of belt pulley, and belt pulley lateral wall and belt lateral wall can produce a large amount of frictional force, and the rotatory in-process of belt pulley can produce a large amount of heats, leads to the belt to soften, and long-term wearing and tearing can lead to the belt pulley fracture to damage, and the belt skids easily on the belt pulley and causes the condition such as mechanical idle running.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a low-noise low-vibration flat belt pulley, through the semi-arc guide post, the friction force generated when the inner walls at the two sides of the belt and the fixed groove rotate can be reduced in the rotating process of the runner, the high temperature generated by the quick friction between the inner walls at the two sides of the belt and the fixed groove can be avoided, the belt strip body can be prevented from being damaged, the service life of the belt strip can be prolonged, the fixed groove is equidistantly distributed through the belt groove, the anti-slip snap boards and the rubber pads which are fixed in the fixed groove can be matched, the inner wall of the belt strip can be more attached to the inner wall of the fixed groove, the belt can be prevented from slipping on the inner wall of the fixed groove, the vibration frequency is guided into the sound attenuation chamber through the sound absorption hole, the sound wave is shaky back and forth in the sound attenuation chamber through the sound attenuation hemisphere which is arranged in the sound attenuation chamber to offset the vibration energy, the noise generated in the rotating process of the runner is reduced, so as to solve the problem that a large amount of noise can be generated in the high-speed rotating process of the belt pulley in the prior art, belt pulley lateral wall and belt lateral wall can produce a large amount of frictional force, and the rotatory in-process of belt pulley can produce a large amount of heats, leads to the belt to soften, and long-term wearing and tearing can lead to the belt pulley fracture damage, the problem that the belt skidded on the belt pulley easily.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a low-noise low-vibration flat belt pulley comprises a fixed disc and a rotating wheel, wherein the fixed disc is arranged in the rotating wheel, a fixed sleeve is fixedly arranged on the inner wall of the fixed disc, a supporting sleeve is fixedly arranged on the outer wall of the fixed disc, fixing holes are formed in the outer wall of one side of the fixed disc at equal intervals, positioning discs are fixedly arranged on the outer walls of the two sides of the fixed disc, guide holes which are matched with each other are formed in the outer wall of one side of each positioning disc, supporting pieces are fixedly arranged on the outer wall of one side of each supporting sleeve at equal intervals, the outer wall of one side of each supporting piece is connected with the inner wall of the rotating wheel, sound absorbing holes are formed in the outer wall of each supporting piece at equal intervals, a sound deadening chamber is formed in the supporting pieces, silencing hemispheres are fixedly arranged on the inner wall of the sound deadening chamber at equal intervals, belt grooves are formed in the outer wall of the rotating wheel, and semi-arc guide columns are fixedly arranged on the inner walls of the two sides of each belt groove at equal intervals, the inner wall of the bottom of the belt groove is provided with fixed grooves distributed at equal intervals, the inner wall of the bottom of each fixed groove is fixedly provided with a vertical upward anti-skidding clamping plate, and the inner wall of each fixed groove is fixedly provided with a rubber pad.

Furthermore, the outer walls of the two sides of the supporting sheet are fixedly provided with wind breaking cut angles.

Further, the outer wall of one side of the semi-arc-shaped guide post protrudes outwards, and the height of the semi-arc-shaped guide post is lower than that of the belt groove.

Further, the outer walls of the fixed disc, the rotating wheel, the fixed sleeve, the supporting sleeve and the supporting sheet are coated with anti-rust paint.

Furthermore, the outer walls of two sides of the top of the rotating wheel are provided with semi-arc chamfers.

Furthermore, the antiskid cardboard is triangle trapezium structure, antiskid cardboard height is greater than the degree of depth of fixed slot, the rubber pad is made by the pouring of rubber gel fat, rubber pad outer wall radian and half arc guide post outer wall radian looks adaptation.

The embodiment of the utility model provides a have following advantage:

1. the utility model can reduce the friction force generated when the inner walls at the two sides of the belt and the fixed groove rotate in the rotating process of the runner through the semi-arc guide post, avoid the high temperature generated by the quick friction of the inner walls at the two sides of the belt and the fixed groove, avoid damaging the belt strip body, prevent the belt strip from softening in the use process and prolong the service life of the belt strip;

2. the utility model discloses a be equipped with the fixed slot that the equidistance distributes on the belt groove, the cooperation of the antiskid cardboard and the rubber pad that fixed slot internal fixation was some can make belt strip inner wall laminate more on the fixed slot internal wall, can prevent that the belt from skidding on the fixed slot inner wall, through inhaling in the leading-in amortization room of sound hole with vibration frequency, through the amortization hemisphere that the amortization indoor was equipped with the sound wave in the amortization indoor tremble the energy of consumption vibration back and forth, can reduce effectively the utility model discloses rotate the noise that the in-process produced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of a three-dimensional structure of a low-noise low-vibration flat belt pulley provided by the present invention;

FIG. 2 is a schematic view of a low-noise and low-vibration flat belt pulley according to the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of a low-noise low-vibration flat belt pulley according to the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 3 of a low-noise low-vibration flat belt pulley according to the present invention;

in the figure: the wind-proof and sound-absorbing type wind-proof anti-skidding rubber cushion comprises a fixed disc 1, a rotating wheel 2, a fixed sleeve 3, a supporting sleeve 4, a fixed hole 5, a positioning disc 6, a guide hole 7, a supporting sheet 8, a wind-breaking corner cut 9, a sound-absorbing hole 10, a sound-absorbing chamber 11, a sound-absorbing hemisphere 12, a leather belt groove 13, a semi-arc guide column 14, a fixed groove 15, an anti-skidding clamping plate 16 and a rubber cushion 17.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-4 of the specification, the low-noise low-vibration flat belt pulley of the embodiment comprises a fixed disc 1 and a rotating wheel 2, wherein the fixed disc 1 is arranged inside the rotating wheel 2, a fixed sleeve 3 is fixedly arranged on the inner wall of the fixed disc 1, a supporting sleeve 4 is fixedly arranged on the outer wall of the fixed disc 1, fixing holes 5 distributed at equal intervals are formed in the outer wall of one side of the fixed disc 1, positioning discs 6 are fixedly arranged on the outer walls of two sides of the fixed disc 1, adaptive guide holes 7 are formed in the outer wall of one side of each positioning disc 6, supporting pieces 8 distributed at equal intervals are fixedly arranged on the outer wall of one side of each supporting sleeve 4, the outer wall of one side of each supporting piece 8 is connected with the inner wall of the rotating wheel 2, sound absorbing holes 10 distributed at equal intervals are formed in the outer walls of the supporting pieces 8, silencing chambers 11 distributed at equal intervals are formed in the inner walls of the

silencing chambers

11, 2 outer walls of runner are opened there is race 13, the fixed semi-arc guide post 14 that is equipped with the equidistance and distributes in race 13 both sides inner wall, race 13 bottom inner wall is opened has the fixed slot 15 that the equidistance distributes, fixed slot 15 bottom inner wall is fixed and is equipped with vertical ascending anti-skidding cardboard 16, fixed slot 15 inner wall is equipped with rubber pad 17.

Further, 8 both sides outer walls of backing sheet are fixed and are equipped with broken wind corner cut 9, reduce the windage that backing sheet 9 produced, can reduce the utility model discloses rotate the noise that the in-process produced.

Further, the outer wall of one side of the semi-arc-shaped guide post 14 protrudes outwards, and the height of the semi-arc-shaped guide post 14 is lower than that of the belt groove 13.

Further, fixed disk 1, runner 2, fixed sleeve 3, support

sleeve

4 and 8 outer walls of backing sheet scribble the anti-rust paint, improve runner 2's life, avoid runner 2 to rust.

Furthermore, the outer walls of two sides of the top of the rotating wheel 2 are provided with semi-arc chamfers.

Further, antiskid cardboard 16 is triangle trapezium structure, antiskid cardboard 16 highly is greater than the degree of depth of fixed slot 15, rubber pad 17 is made by the pouring of rubber pitch, rubber pad 17 outer wall radian and the 14 outer wall radian looks adaptations of half arc guide post, the 16 outer walls of antiskid cardboard and the contact of belt strip of being convenient for, rubber pad 17 outer wall and belt strip contact avoid belt strip inner wall and belt groove 13 inner wall to skid.

The implementation scenario is specifically as follows: through positioning disk 6, fixed sleeve 3 and fixed orifices 5 use the bolt will the utility model discloses be fixed in rotating device on, cup joint the belt on belt groove 13, begin rotatory rotating device, drive the belt strip transmission through 2 rotations of runner, the belt strip can reduce the frictional force that produces when belt strip and the rotation of fixed slot 15 both sides inner wall through half arc guide post 14 when belt groove 13 internal rotations, avoid belt strip and fixed slot 15 both sides inner wall rapid friction to produce a large amount of high temperature damage belt strip bodies, improve the life of belt strip, fixed slot 15 through being equipped with the equidistance and distributing on belt groove 13, fixed slot 15 internal fixation has 1 anti-skidding cardboard 16 and rubber pad 17 cooperation, can avoid the belt strip to skid on fixed slot 15 inner wall, improve the effective transmission efficiency of belt strip, through inhaling in leading-in the amortization room 11 of vibration frequency, through what amortization hemisphere 12 was equipped with in the amortization room 11 with the sound wave in the amortization room 11 trembles consumption vibration's consumption Can, can reduce effectively the utility model discloses the noise that the rotation in-process produced, this embodiment specifically solved among the prior art current belt strip high-speed rotatory in-process can produce a large amount of noises, and belt strip lateral wall can produce a large amount of frictional force, and the rotatory in-process of belt strip can produce a large amount of heats, leads to the belt strip to soften, and long-term wearing and tearing can lead to belt strip fracture damage, the problem that the belt strip skidded on the belt inslot wall easily.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a dull and stereotyped belt pulley of low noise low vibrations, includes fixed disk (1) and runner (2), inside runner (2) were located in fixed disk (1), its characterized in that: the inner wall of the fixed disc (1) is fixedly provided with a fixed sleeve (3), the outer wall of the fixed disc (1) is fixedly provided with a supporting sleeve (4), the outer wall of one side of the fixed disc (1) is provided with fixed holes (5) distributed at equal intervals, the outer walls of two sides of the fixed disc (1) are respectively fixedly provided with a positioning disc (6), the outer wall of one side of the positioning disc (6) is provided with guide holes (7) matched with each other, the outer wall of one side of the supporting sleeve (4) is fixedly provided with supporting sheets (8) distributed at equal intervals, the outer wall of one side of each supporting sheet (8) is connected with the inner wall of the rotating wheel (2), the outer wall of each supporting sheet (8) is provided with sound absorbing holes (10) distributed at equal intervals, a sound deadening chamber (11) is arranged inside each supporting sheet (8), the inner wall of the sound deadening chamber (11) is fixedly provided with silencing hemispheres (12) distributed at equal intervals, the outer wall of the rotating wheel (2) is provided with a belt groove (13), the anti-skidding safety belt is characterized in that semi-arc-shaped guide posts (14) distributed at equal intervals are fixedly arranged on the inner walls of the two sides of the belt groove (13), fixing grooves (15) distributed at equal intervals are formed in the inner wall of the bottom of the belt groove (13), a vertical upward anti-skidding clamping plate (16) is fixedly arranged on the inner wall of the bottom of each fixing groove (15), and a rubber pad (17) is fixedly arranged on the inner wall of each fixing groove (15).

2. A low noise and low vibration flat pulley according to claim 1, wherein: and wind breaking cut corners (9) are fixedly arranged on the outer walls of the two sides of the supporting sheet (8).

3. A low noise and low vibration flat pulley according to claim 1, wherein: the outer wall of one side of the semi-arc guide column (14) protrudes outwards, and the height of the semi-arc guide column (14) is lower than that of the belt groove (13).

4. A low noise and low vibration flat pulley according to claim 1, wherein: the outer walls of the fixed disc (1), the rotating wheel (2), the fixed sleeve (3), the supporting sleeve (4) and the supporting sheet (8) are coated with antirust paint.

5. A low noise and low vibration flat pulley according to claim 1, wherein: the outer walls of two sides of the top of the rotating wheel (2) are provided with semi-arc chamfers.

6. A low noise and low vibration flat pulley according to claim 1, wherein: the anti-skidding clamping plate (16) is of a triangular trapezoidal structure, the height of the anti-skidding clamping plate (16) is larger than the depth of the fixing groove (15), the rubber pad (17) is made by pouring rubber grease, and the radian of the outer wall of the rubber pad (17) is matched with the radian of the outer wall of the semi-arc guide column (14).