Belt pulley heat dissipation mechanism

Abstract

The utility model discloses a belt pulley heat dissipation mechanism which comprises a connecting base disc which is arranged in a belt pulley body, the belt pulley body is arranged in a circular ring shape, and four hollowed-out grooves are formed in the connecting base disc. The belt groove is formed in the outer wall of the belt wheel body, the depth of the belt groove is two thirds of the width of the belt wheel body, at least four sets of second heat dissipation holes are formed in the bottom of the belt groove, the second heat dissipation holes are formed in the bottom of the belt groove at equal intervals, and the second heat dissipation holes communicate with the hollowed-out groove. According to the belt pulley, the second heat dissipation holes communicating with the hollowed-out grooves are formed in the bottoms of the belt grooves, the hollowed-out grooves enable the belt pulley to form a turbine structure, when the belt pulley rotates, the turbine structure can accelerate air disturbance, heat dissipation of the belt pulley is accelerated through rapidly flowing air, and heat in the belt grooves can be guided into the hollowed-out grooves through the second heat dissipation holes; heat dissipation of the belt pulley is further accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of pulleys, in particular to a pulley heat dissipation mechanism. Background Art

[0002] Pulleys are disc-hub parts, which are generally relatively large in size. The manufacturing process is generally based on casting and forging. Pulleys are mainly used in situations where power is transmitted over long distances, such as the output of small diesel engines, agricultural vehicles, tractors, automobiles, mining machinery, mechanical processing equipment, textile machinery, packaging machinery, lathes, forging machines, some low-horsepower motorcycle power transmission, agricultural machinery power transmission, air compressors, reducers, speed reducers, generators, cotton gins, etc.

[0003] The Chinese patent publication number is CN219492986U, and the authorization announcement date is August 8, 2023. A pulley that is easy to dissipate heat includes a coaxially arranged inner ring and outer ring and a reinforcing rib arranged between the inner ring and the outer ring. The outer ring is provided with a belt groove, and the reinforcing rib is in a turbofan shape. The number of reinforcing ribs is multiple, and the multiple reinforcing ribs are evenly arranged around the axis of the inner ring or the outer ring. The pulley that is easy to dissipate heat provided by the utility model has a simple structure and a reasonable design. It can dissipate heat by rotating the pulley, and there is no need to set up an additional heat dissipation mechanism to dissipate heat for the pulley, and the cost is low.

[0004] The bottom of the belt groove on the existing pulley is a closed structure. The heat generated by the friction of the belt in the belt groove cannot be released quickly, causing heat to accumulate in the belt groove. The temperature of the belt when working is greatly increased, which accelerates the aging of the belt, reduces the use effect of the pulley transmission, and cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a pulley heat dissipation mechanism to solve the problem proposed in the above background technology that the bottom of the belt groove on the existing pulley is a closed structure, and the heat generated by the friction of the belt in the belt groove cannot be released quickly, so that the heat accumulates in the belt groove, the temperature of the belt when working is greatly increased, the aging speed of the belt is accelerated, the use effect of the pulley transmission is reduced, and the use requirements cannot be met.

[0006] To achieve the above object, the utility model provides the following technical solution: a pulley heat dissipation mechanism, including a pulley body, and also including:

[0007] A connecting base plate is arranged inside the pulley body, and the connecting base plate and the pulley body are arranged as a whole, the pulley body is arranged in a circular ring shape, and the pulley body and the connecting base plate are arranged concentrically, and the connecting base plate is provided with a hollow groove, and the hollow grooves are provided with four, and the four hollow grooves are arranged equidistantly on the connecting base plate;

[0008] A belt groove is arranged on the outer wall of the pulley body, and the depth of the belt groove is two-thirds of the width of the pulley body. A second heat dissipation hole is arranged at the bottom of the belt groove. There are at least four groups of second heat dissipation holes, and the second heat dissipation holes are arranged equidistantly at the bottom of the belt groove. The second heat dissipation holes are connected to the hollow groove.

[0009] Preferably, a reinforcing block is provided at the contact point between the pulley body and the connecting base, eight reinforcing blocks are provided, and the reinforcing blocks are equidistantly arranged on the edges of both sides of the connecting base, and the reinforcing blocks are fixedly connected to both the pulley body and the connecting base.

[0010] Preferably, the cross-section of the belt groove is trapezoidal, a wear-resistant and anti-slip layer is provided inside the belt groove, and the wear-resistant and anti-slip layer is integrated with the pulley body.

[0011] Preferably, first heat dissipation holes are provided on both sides of the pulley body, at least sixteen first heat dissipation holes are provided, and the first heat dissipation holes are equidistantly arranged on both sides of the pulley body, and the first heat dissipation holes are connected to the belt groove.

[0012] Preferably, the first heat dissipation hole and the second heat dissipation hole are both provided with oil-blocking nets, and the oil-blocking nets are connected to the pulley body as a whole.

[0013] Preferably, heat dissipation strips are provided on both sides of the pulley body, there are at least sixteen heat dissipation strips, and the heat dissipation strips are equidistantly arranged on both sides of the pulley body, the heat dissipation strips are integrated with the pulley body, and the cross-section of the heat dissipation strips is trapezoidal.

[0014] Preferably, a connecting hole is provided at the center of the connecting base, a connecting keyway is provided on the inner wall of the connecting hole, and the connecting keyway is arranged in a rectangular shape, and the pulley body and the connecting base are both made of ZL108 aluminum alloy.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model device is provided with a hollow groove, which enables the pulley to form a turbine structure. When the pulley rotates, the turbine structure can accelerate air disturbance and use fast-flowing air to accelerate the heat dissipation of the pulley;

[0017] 2. The utility model device is provided with a first heat dissipation hole, a second heat dissipation hole and an oil-blocking net. The first heat dissipation hole releases the heat in the belt groove from both sides of the pulley body, and the second heat dissipation hole guides the heat in the belt groove into the hollow groove, further accelerating the heat dissipation of the pulley. The oil-blocking net can prevent the oil from entering the belt groove along the first heat dissipation hole and the second heat dissipation hole and contacting the belt, thereby preventing the belt from slipping.

[0018] 3. The utility model device increases the contact friction between the belt and the pulley by setting a wear-resistant and anti-skid layer, effectively preventing the belt from heating up during operation and slipping between the pulley, thereby improving the transmission efficiency of the pulley. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the front view of the utility model;

[0020] Figure 2 It is the first cross-sectional view of the utility model;

[0021] Figure 3 It is a second cross-sectional view of the utility model;

[0022] Figure 4 This is a diagram showing the connection relationship between the heat dissipation strip, the second heat dissipation hole and the pulley body of the utility model.

[0023] In the figure: 1. Pulley body; 2. Connecting base plate; 3. Hollow groove; 4. Connecting hole; 5. Connecting keyway; 6. Reinforcement block; 7. Heat dissipation strip; 8. First heat dissipation hole; 9. Belt groove; 10. Wear-resistant and anti-skid layer; 11. Oil retaining net; 12. Second heat dissipation hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-4 The utility model provides an embodiment: a pulley heat dissipation mechanism, including a pulley body 1, and also including:

[0026] A connecting base plate 2 is arranged inside the pulley body 1, and the connecting base plate 2 and the pulley body 1 are arranged as a whole, the pulley body 1 is arranged in a circular ring shape, and the pulley body 1 and the connecting base plate 2 are arranged concentrically, and a hollow groove 3 is arranged on the connecting base plate 2, and the hollow groove 3 is provided with four, and the four hollow grooves 3 are equidistantly arranged on the connecting base plate 2;

[0027] The belt groove 9 is arranged on the outer wall of the pulley body 1, and the depth of the belt groove 9 is two-thirds of the width of the pulley body 1. The bottom of the belt groove 9 is provided with second heat dissipation holes 12. The second heat dissipation holes 12 are provided in at least four groups, and the second heat dissipation holes 12 are equidistantly arranged at the bottom of the belt groove 9. The second heat dissipation holes 12 are connected to the hollow groove 3.

[0028] When in use: the hollow groove 3 makes the pulley form a turbine structure. When the pulley rotates, the turbine structure can accelerate air disturbance and use fast-flowing air to accelerate the heat dissipation of the pulley. The second heat dissipation hole 12 can transfer the heat generated in the belt groove 9 to the hollow groove 3, which can accelerate the heat dissipation of the pulley.

[0029] See also Figure 1 and Figure 2 A reinforcing block 6 is provided at the contact point between the pulley body 1 and the connecting base 2. There are eight reinforcing blocks 6, and the reinforcing blocks 6 are equidistantly arranged on the edges of both sides of the connecting base 2. The reinforcing blocks 6 are fixedly connected to the pulley body 1 and the connecting base 2. The reinforcing blocks 6 increase the structural strength of the connection between the pulley body 1 and the connecting base 2.

[0030] See also Figure 2 and Figure 4 The cross-section of the belt groove 9 is trapezoidal, and a wear-resistant and anti-skid layer 10 is arranged inside the belt groove 9, and the wear-resistant and anti-skid layer 10 is arranged as a whole with the pulley body 1. The wear-resistant and anti-skid layer 10 can increase the contact friction between the belt and the pulley, thereby improving the transmission efficiency of the pulley.

[0031] See also Figure 1 and Figure 2 First heat dissipation holes 8 are arranged on both sides of the pulley body 1. There are at least sixteen first heat dissipation holes 8, and the first heat dissipation holes 8 are equidistantly arranged on both sides of the pulley body 1. The first heat dissipation holes 8 are connected to the belt groove 9. The heat generated in the belt groove 9 is transferred and released through the first heat dissipation holes 8, which can accelerate the heat dissipation of the pulley.

[0032] See also Figure 1 , Figure 2 and Figure 3 An oil retaining net 11 is provided inside the first heat dissipation hole 8 and the second heat dissipation hole 12, and the oil retaining net 11 is connected to the pulley body 1 as a whole. The oil retaining net 11 can prevent oil from flowing through the first heat dissipation hole 8 and the second heat dissipation hole 12 into the belt groove 9 and contacting the belt, thereby preventing the belt from slipping.

[0033] See also Figure 1 and Figure 4 , heat dissipation strips 7 are arranged on both sides of the pulley body 1, at least sixteen heat dissipation strips 7 are arranged, and the heat dissipation strips 7 are arranged equidistantly on both sides of the pulley body 1, the heat dissipation strips 7 and the pulley body 1 are arranged as a whole, and the cross-section of the heat dissipation strips 7 is arranged in a trapezoidal shape, so that the heat on the pulley body 1 can be released more quickly through the heat dissipation strips 7.

[0034] See also Figure 1A connecting hole 4 is provided at the center of the connecting base 2, a connecting keyway 5 is provided on the inner wall of the connecting hole 4, and the connecting keyway 5 is rectangularly arranged, the pulley body 1 and the connecting base 2 are both made of ZL108 aluminum alloy, and the connecting hole 4 and the connecting keyway 5 are used to conveniently connect the pulley to the transmission shaft.

[0035] Working principle: The pulley is connected to the transmission shaft through the connecting hole 4 and the connecting keyway 5. The hollow groove 3 allows the pulley to form a turbine structure. When the pulley rotates, the turbine structure can accelerate air disturbance and use the fast-flowing air to accelerate the heat dissipation of the pulley. The second heat dissipation hole 12 can transfer the heat generated in the belt groove 9 to the hollow groove 3. The first heat dissipation hole 8 transfers and releases the heat generated in the belt groove 9, which can accelerate the heat dissipation of the pulley; the wear-resistant and anti-skid layer 10 can increase the contact friction between the belt and the pulley, and the oil retaining net 11 can prevent oil from entering the belt groove 9 along the first heat dissipation hole 8 and the second heat dissipation hole 12 and contacting the belt, thereby preventing the belt from slipping and improving the transmission efficiency of the pulley.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulley heat dissipation mechanism, comprising a pulley body (1), characterized in that: Also includes: A connecting base (2) is arranged inside the pulley body (1), and the connecting base (2) and the pulley body (1) are arranged as a whole, the pulley body (1) is arranged in a circular ring shape, and the pulley body (1) and the connecting base (2) are arranged concentrically, and the connecting base (2) is provided with a hollow groove (3), and there are four hollow grooves (3), and the four hollow grooves (3) are arranged equidistantly on the connecting base (2); A belt groove (9) is arranged on the outer wall of the pulley body (1), and the depth of the belt groove (9) is two-thirds of the width of the pulley body (1); a second heat dissipation hole (12) is arranged at the bottom of the belt groove (9); at least four groups of the second heat dissipation holes (12) are arranged, and the second heat dissipation holes (12) are arranged at equal intervals at the bottom of the belt groove (9); and the second heat dissipation holes (12) are arranged in communication with the hollow groove (3).

2. A pulley heat dissipation mechanism according to claim 1, characterized in that: A reinforcing block (6) is provided at the contact point between the pulley body (1) and the connecting base (2), eight reinforcing blocks (6) are provided, and the reinforcing blocks (6) are equidistantly arranged at the edges of both sides of the connecting base (2), and the reinforcing blocks (6) are fixedly connected to both the pulley body (1) and the connecting base (2).

3. A pulley heat dissipation mechanism according to claim 1, characterized in that: The cross section of the belt groove (9) is arranged in a trapezoidal shape, a wear-resistant and anti-slip layer (10) is arranged inside the belt groove (9), and the wear-resistant and anti-slip layer (10) is arranged integrally with the pulley body (1).

4. A pulley heat dissipation mechanism according to claim 1, characterized in that: First heat dissipation holes (8) are provided on both sides of the pulley body (1), at least sixteen first heat dissipation holes (8) are provided, and the first heat dissipation holes (8) are equidistantly arranged on both sides of the pulley body (1), and the first heat dissipation holes (8) are connected to the belt groove (9).

5. A pulley heat dissipation mechanism according to claim 4, characterized in that: The first heat dissipation hole (8) and the second heat dissipation hole (12) are both provided with an oil blocking net (11), and the oil blocking net (11) and the pulley body (1) are both connected as a whole.

6. A pulley heat dissipation mechanism according to claim 1, characterized in that: Both sides of the pulley body (1) are provided with heat dissipation strips (7), at least sixteen heat dissipation strips (7) are provided, and the heat dissipation strips (7) are equidistantly provided on both sides of the pulley body (1), the heat dissipation strips (7) and the pulley body (1) are provided as a whole, and the cross-section of the heat dissipation strips (7) is provided in a trapezoidal shape.

7. A pulley heat dissipation mechanism according to claim 1, characterized in that: A connection hole (4) is provided at the center of the connection base plate (2), a connection keyway (5) is provided on the inner wall of the connection hole (4), and the connection keyway (5) is arranged in a rectangular shape. The pulley body (1) and the connection base plate (2) are both made of ZL108 aluminum alloy.

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