CN216009463U

CN216009463U - Split type double-row belt pulley

Info

Publication number: CN216009463U
Application number: CN202121744815.2U
Authority: CN
Inventors: 李军; 戴宝丰; 陈哲清
Original assignee: Hubei Baoxinda Auto Parts Manufacturing Co ltd
Current assignee: Hubei Baoxinda Auto Parts Manufacturing Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-11
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a split double-row belt pulley, which relates to the technical field of belt pulleys and comprises power equipment, wherein a mounting hole is formed in one side wall of the power equipment, a belt pulley mechanism is fixedly connected inside the mounting hole, the belt pulley mechanism comprises a support component and a belt pulley component, after the belt pulley component is used for a period of time, the surface of the belt pulley component is damaged due to abrasion between the belt pulley component and a transmission belt or external force, so that the power transmission work cannot be normally carried out, at the moment, a fastening bolt can be disassembled to separate the belt pulley component from the support component, only the belt pulley component needs to be replaced without replacing the whole device, the manufacturing cost of the belt pulley is saved, a large amount of heat can be generated during the transmission of the transmission belt and the belt pulley, part of the heat is transmitted into a heat dissipation cavity through a heat conducting block on the inner wall of the belt pulley, the heat is absorbed through cooling liquid, so that the surface temperature of the belt pulley is reduced, is beneficial to prolonging the service life of the transmission belt and the belt pulley.

Description

Split type double-row belt pulley

Technical Field

The utility model relates to the technical field of belt pulleys, in particular to a split type double-row belt pulley.

Background

A belt pulley belongs to a hub part, generally has a large relative size, and is mainly cast and forged in a manufacturing process (the design with the large size is a casting method, the material is generally cast iron (the casting performance is good) and the steel is rarely cast (the casting performance of the steel is poor), while the design with the small size is forged and the material is steel). The belt pulley is mainly used for the occasions 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 small horsepower motorcycles, the transmission of power of agricultural machinery, air compressors, speed reducers, generators, cotton ginning machines and the like.

But under the long-term high-speed running state of belt pulley, constantly rub between belt and the belt pulley, the degree of depth and the width increase of inside belt groove behind the long-time wearing and tearing of belt spacing groove of belt pulley, the belt can't receive with belt pulley looks adaptation this moment, power transmission receives serious influence, at this moment, just need more renew's belt pulley, and other positions of belt pulley do not damage, the belt pulley also can only wholly scrap, cause the problem that the use cost of belt pulley increases, and the heat that long-term friction produced between belt pulley and the belt can aggravate the wearing and tearing of belt pulley, and driving belt intensity reduces under high temperature, the easy condition of rupture that takes place.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a split double-row belt pulley, which solves the problems that after the belt pulley works and is damaged for a long time, only the whole belt pulley can be replaced, so that the use cost of the belt pulley is increased, and the service lives of the belt pulley and a belt are reduced under a high-temperature working condition.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a split type double-row belt pulley, includes power equipment, the mounting hole has been seted up to power equipment's a lateral wall, the inside fixedly connected with belt pulley mechanism of mounting hole, belt pulley mechanism includes supporting component and belt pulley component.

The supporting component comprises a supporting shaft and a mounting seat, a limiting plate is fixedly welded at one end of the supporting shaft, a key groove is formed in one side of the outer wall of the supporting shaft, a side wall fixedly connected with mounting seat of the limiting plate is provided, a first limiting hole and a limiting groove are respectively formed in the outer wall of the mounting seat, a liquid injection hole is formed in the center of one side wall of the mounting seat, the liquid injection hole is communicated with a heat dissipation cavity inside the mounting seat, and a plurality of radiating fins are fixedly arranged on one side wall of the mounting seat.

The belt pulley assembly comprises a belt pulley, a second limiting hole is formed in the middle of the outer wall of the belt pulley, belt grooves are symmetrically formed in two sides of the second limiting hole, and the inner wall of the belt pulley is fixedly connected with a heat conducting block.

Furthermore, the outer diameter of the mounting seat is matched with the inner diameter of the belt pulley, the first limiting holes and the second limiting holes are distributed in an annular array, and the number and the positions of the first limiting holes and the limiting grooves correspond to each other one by one.

Furthermore, the heat conduction blocks are distributed in an annular array, the number of the heat conduction blocks is four, and the internal structure of the limiting groove is matched with the structure of the heat conduction blocks.

Furthermore, the interior of the liquid injection hole is in threaded connection with a sealing bolt, and a sealing gasket is fixedly arranged between the liquid injection hole and the sealing bolt.

Further, the belt pulley assembly and the supporting assembly form a fixed connection structure through fastening bolts.

Furthermore, cooling liquid is arranged in a heat dissipation cavity inside the mounting seat.

Advantageous effects

The utility model provides a split double-row belt pulley. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a split type double-row belt pulley, including power equipment, the mounting hole has been seted up to power equipment's a lateral wall, the inside fixedly connected with pulley mechanism of mounting hole, pulley mechanism includes supporting component and pulley subassembly, pulley mechanism passes through fastening bolt by supporting component and pulley subassembly and is connected and constitutes, after pulley subassembly uses a period, its surface is owing to and the destruction of external force or the wearing and tearing between the drive belt, lead to unable normal power transmission work, can dismantle fastening bolt back with pulley subassembly and supporting component separation this moment, only need to change pulley subassembly can, need not to change whole device, the manufacturing cost of belt pulley has been saved.

2. The utility model provides a split type double-row belt pulley, the inside heat dissipation chamber that is provided with of supporting component's mount pad, inside injection has the coolant liquid, can produce a large amount of heats during driving belt and the belt pulley transmission, and partial heat transmits the heat dissipation chamber through the heat conduction piece of belt pulley inner wall in, absorbs the heat through the coolant liquid to belt pulley surface temperature reduces, is favorable to improving the life of driving belt and belt pulley.

Drawings

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

FIG. 2 is a schematic perspective view of the pulley mechanism of the present invention;

FIG. 3 is an exploded perspective view of the pulley mechanism of the present invention;

FIG. 4 is a side view of the support assembly of the present invention.

In the figure: 1. a power plant; 2. mounting holes; 3. a belt pulley mechanism; 301. a support assembly; 3011. a support shaft; 3012. a mounting seat; 3013. a limiting plate; 3014. a keyway; 3015. a first limit hole; 3016. a limiting groove; 3017. a liquid injection hole; 3018. a seal bolt; 3019. a gasket; 3010. a heat sink; 302. a pulley assembly; 3021. a belt pulley; 3022. a second limiting hole; 3023. a belt groove; 3024. a heat conducting block.

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, the present invention provides a technical solution: the utility model provides a split type double-row belt pulley, includes power equipment 1, and mounting hole 2 has been seted up to power equipment 1's a lateral wall, and the inside fixedly connected with belt pulley mechanism 3 of mounting hole 2, belt pulley mechanism 3 include supporting component 301 and belt pulley component 302.

Referring to fig. 2-4, the supporting assembly 301 includes a supporting shaft 3011 and a mounting base 3012, a limiting plate 3013 is fixedly welded at one end of the supporting shaft 3011, a key slot 3014 is formed on one side of an outer wall of the supporting shaft 3011, the mounting base 3012 is fixedly connected to one side wall of the limiting plate 3013, a first limiting hole 3015 and a limiting groove 3016 are respectively formed on an outer wall of the mounting base 3012, a liquid injection hole 3017 is formed at a central position of one side wall of the mounting base 3012, the liquid injection hole 3017 is communicated with a heat dissipation cavity inside the mounting base 3012, a plurality of heat dissipation fins 3010 are fixedly arranged on one side wall of the mounting base 3012, the pulley assembly 302 includes a pulley 3021, a second limiting hole 3022 is formed in a middle portion of an outer wall of the pulley 3021, belt grooves 3023 are symmetrically formed on two sides of the second limiting hole 3022, a heat conduction block 3024 is fixedly connected to an inner wall of the pulley 3021, an outer diameter of the mounting base 3012 is adapted to an inner diameter of the pulley 3021, the first limiting hole 3015 and the second limiting hole 3022 are distributed in an annular array, the number and the positions of the first limiting holes 3015 and the limiting grooves 3016 are in one-to-one correspondence, the heat conducting blocks 3024 are distributed in an annular array, the number of the heat conducting blocks 3024 is four, the internal structure of the limiting grooves 3016 is matched with the structure of the heat conducting blocks 3024, the internal thread of the liquid injection hole 3017 is connected with a sealing bolt 3018, a sealing gasket 3019 is fixedly arranged between the liquid injection hole 3017 and the sealing bolt 3018, the belt pulley assembly 302 and the support assembly 301 form a fixed connection structure through the fastening bolt, and cooling liquid is arranged in a heat dissipation cavity inside the mounting seat 3012.

When the device is used, the belt pulley mechanism 3 is fixedly connected in the mounting hole 2 of the side wall of the power equipment 1 through the support shaft 3011, the support shaft 3011 is provided with the key slot 3014 on the outer wall, so that the belt pulley mechanism can be fixed with the power equipment 1 more firmly, when the device works, the transmission belt is arranged in the belt slot 3023, the belt pulley 3021 rotates rapidly, simultaneously, a large amount of heat is generated due to friction between the belt and the belt pulley 3021, part of the heat is naturally dissipated into air, the other part of the heat is transferred into the limiting slot 3016 of the mounting seat 3012 through the heat conducting block 3024 on the inner wall of the belt pulley 3021, and the heat is transferred into the heat dissipation cavity inside the mounting seat 3012 through the outer wall, the cooling liquid after absorbing the heat dissipates the heat through the heat dissipation fins 3010 on the outer wall, when the belt pulley 3021 is damaged for a period of time, the fastening bolt for fixing the support assembly 301 and the belt pulley assembly 302 can be detached, the pulley assembly 302 is separated from the outer wall of the support assembly 301, and the pulley assembly 302 is replaced with a new one to be operated again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A split type double-row belt pulley comprises a power device (1), and is characterized in that: a mounting hole (2) is formed in one side wall of the power equipment (1), a belt pulley mechanism (3) is fixedly connected to the inside of the mounting hole (2), and the belt pulley mechanism (3) comprises a supporting assembly (301) and a belt pulley assembly (302);

the supporting component (301) comprises a supporting shaft (3011) and a mounting seat (3012), a limiting plate (3013) is fixedly welded at one end of the supporting shaft (3011), a key slot (3014) is formed in one side of the outer wall of the supporting shaft (3011), a mounting seat (3012) is fixedly connected to one side wall of the limiting plate (3013), a first limiting hole (3015) and a limiting groove (3016) are formed in the outer wall of the mounting seat (3012) respectively, a liquid injection hole (3017) is formed in the center of one side wall of the mounting seat (3012), the liquid injection hole (3017) is communicated with a heat dissipation cavity in the mounting seat (3012), and a plurality of radiating fins (3010) are fixedly arranged on one side wall of the mounting seat (3012);

the belt pulley assembly (302) comprises a belt pulley (3021), a second limiting hole (3022) is formed in the middle of the outer wall of the belt pulley (3021), belt grooves (3023) are formed in the two sides of the second limiting hole (3022), and the inner wall of the belt pulley (3021) is fixedly connected with a heat conducting block (3024).

2. The split double-row pulley according to claim 1, wherein: the outer diameter of the mounting seat (3012) is matched with the inner diameter of the belt pulley (3021), the first limiting holes (3015) and the second limiting holes (3022) are distributed in an annular array, and the number and the positions of the first limiting holes (3015) and the limiting grooves (3016) are in one-to-one correspondence.

3. The split double-row pulley according to claim 1, wherein: the heat conduction blocks (3024) are distributed in an annular array, the number of the heat conduction blocks (3024) is four, and the internal structure of the limiting groove (3016) is matched with the structure of the heat conduction blocks (3024).

4. The split double-row pulley according to claim 1, wherein: and a sealing bolt (3018) is connected to the internal thread of the liquid injection hole (3017), and a sealing gasket (3019) is fixedly arranged between the liquid injection hole (3017) and the sealing bolt (3018).

5. The split double-row pulley according to claim 1, wherein: the belt pulley assembly (302) and the support assembly (301) form a fixed connection structure through fastening bolts.

6. The split double-row pulley according to claim 1, wherein: and cooling liquid is arranged in a heat dissipation cavity inside the mounting seat (3012).