Anti-explosion brake drum

Abstract

The utility model belongs to the technical field of brake drums, and particularly discloses an anti-explosion brake drum which comprises a brake drum body, a plurality of heat dissipation fins are evenly arranged on the surface of the brake drum body in an annular array at equal intervals, the lower ends of the heat dissipation fins extend into the inner wall of the brake drum body, and a fixing ring sleeve is arranged in the brake drum body. The outer side wall of the fixing ring sleeve abuts against the side walls of the heat dissipation fins, a containing space is formed between every two adjacent heat dissipation fins and the fixing ring sleeve, a heat dissipation water pipe is arranged in each containing space, the uppermost end of each heat dissipation water pipe is a water inlet connected with a water inlet pipe, and the lowermost end of each heat dissipation water pipe is a water outlet connected with a water outlet pipe. The water inlet pipe is communicated with the water suction pump, the water outlet pipe is communicated with the cooling water tank, and the water suction pump is communicated with the cooling water tank through a pipeline; a connecting disc is arranged at the end, away from the water inlet pipe and the water outlet pipe, of the brake drum body, a mounting frame is fixedly arranged on the connecting disc, and a cooling fan is arranged on the mounting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of brake drums, in particular to an explosion-proof brake drum. Background Art

[0002] An automotive drum brake uses a brake transmission mechanism to press brake friction pads against the inner side of a brake drum, thereby generating a braking force to decelerate the wheel as needed or stop the vehicle within the shortest distance to ensure driving safety and ensure reliable parking of the vehicle without automatic slippage.

[0003] A brake drum is a cast iron part shaped like a tambourine. It is fixed to the tire and rotates at the same speed. When braking, hydraulic pressure is used to push the brake shoe to contact the inner edge of the brake drum, and the generated frictional force is used to inhibit the rotation of the tire to achieve the purpose of braking. Currently, users' requirements for vehicle comfort are increasing day by day, vehicles are getting larger and larger, and the required braking force is also increasing.

[0004] During the long-term driving of a vehicle, when the internal brake pads are braking, frictional force is generated, which easily causes a large amount of heat in the brake drum. Over a long time, the heat of the brake drum is likely to be too high, which makes the brake drum prone to explosion. Therefore, it is necessary to cool the heat generated by the brake drum during use. Content of the Utility Model

[0005] The purpose of the utility model is to provide an explosion-proof brake drum to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an explosion-proof brake drum, including a brake drum main body. A number of heat dissipation fins are evenly and equidistantly arranged in a circumferential array on the surface of the brake drum main body. The lower ends of the heat dissipation fins extend into the interior of the inner wall of the brake drum main body. A fixed ring sleeve is arranged inside the brake drum main body. The outer side wall of the fixed ring sleeve abuts against the side walls of the heat dissipation fins. An accommodation space is formed between two adjacent heat dissipation fins and the fixed ring sleeve. A heat dissipation water pipe is arranged in the accommodation space. The two outer ends of the heat dissipation water pipe in the accommodation space are close to the heat dissipation fins. The uppermost end of the heat dissipation water pipe is an inlet connected to a water inlet pipe, and the lowermost end of the heat dissipation water pipe is an outlet connected to a water outlet pipe. The water inlet pipe is connected to a water pump, and the water outlet pipe is connected to a cooling water tank. The water pump and the cooling water tank are connected through a pipeline; at one end of the brake drum main body away from the water inlet pipe and the water outlet pipe, there is a connection plate. An installation frame is fixedly arranged on the connection plate, and a heat dissipation fan is arranged on the installation frame.

[0007] Preferably, a columnar block is arranged between adjacent heat dissipation fins. The upper and lower ends of the block are fixed on the inner wall of the brake drum main body and the outer peripheral wall of the fixed ring sleeve.

[0008] Preferably, the whole of the radiating water pipe is wound in an "S" shape, and one turning point of the radiating water pipe passes through the stopper.

[0009] Preferably, the connecting disc and the brake drum body are of an integral structure.

[0010] Preferably, the center of the connecting disc is a circular opening, a plurality of heat dissipation holes are arranged in an array on the outer ring of the connecting disc far from the circular opening, and mounting holes are arranged on the inner ring close to the circular opening, and the mounting frame is fixedly mounted corresponding to the mounting holes.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: the present utility model is provided with a radiating water pipe and radiating fins. The radiating water pipe is wound around the radiating fins in an "S" shape and is connected to a cooling water tank and a water pump. When the temperature inside the brake drum is relatively high, the water pump is used to pump the water in the cooling water tank into the radiating water pipe. The radiating water pipe absorbs the heat generated by the brake drum due to braking. At the same time, the radiating fins also absorb a part of the heat and exchange heat with the surrounding air to improve the heat dissipation efficiency. The present utility model is also provided with a mounting frame and a cooling fan. The cooling fan accelerates the air circulation inside the brake drum, blows the low-temperature air outside into the brake drum, and blows the hot air inside out, accelerating heat dissipation. At the same time, water cooling and air cooling are used for cooling, efficiently dissipating heat from the brake drum and reducing the possibility of brake drum rupture due to high temperature. There is a gap left between the brake drum body and the fixed ring sleeve of the present utility model. When braking, the brake shoe fits against the side wall of the fixed ring sleeve and rubs. The gap gives the fixed ring sleeve space for deformation when it heats up. Moreover, the surrounding radiating fins strengthen the overall structural strength of the brake drum, further preventing the brake drum from bursting. Description of the Drawings

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is a schematic diagram of the combined structure of the parts of the present utility model, namely the brake drum body, the radiating water pipe and the fixed ring sleeve;

[0014] Figure 3 is a schematic diagram of the structure of the part of the brake drum body of the present utility model.

[0015] In the figure: 1. Brake drum body; 2. Radiating fins; 3. Fixed ring sleeve; 4. Stopper; 5. Radiating water pipe; 6. Water inlet pipe; 7. Water outlet pipe; 8. Water pump; 9. Cooling water tank; 10. Connecting disc; 11. Mounting hole; 12. Heat dissipation hole; 13. Mounting frame; 14. Cooling fan. Detailed Embodiment

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0017] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0018] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0019] Please refer to Figures 1 - 3 , the present invention provides a technical solution: an explosion-proof brake drum, including a brake drum main body 1. A plurality of heat dissipation fins 2 are evenly and equidistantly arranged in a circular array on the surface of the brake drum main body 1. The lower ends of the heat dissipation fins 2 extend to the inside of the inner wall of the brake drum main body 1. A fixed ring sleeve 3 is arranged inside the brake drum main body 1. The outer side wall of the fixed ring sleeve 3 abuts against the side walls of the heat dissipation fins 2. An accommodation space is formed between two adjacent heat dissipation fins 2 and the fixed ring sleeve 3. A heat dissipation water pipe 5 is arranged in the accommodation space. The two outer ends of the heat dissipation water pipe 5 in the accommodation space are close to the heat dissipation fins 2. The uppermost end of the heat dissipation water pipe 5 is an inlet connected to a water inlet pipe 6, and the lowermost end of the heat dissipation water pipe 5 is an outlet connected to a water outlet pipe 7. The water inlet pipe 6 is connected to a water pump 8, and the water outlet pipe 7 is connected to a cooling water tank 9. The water pump 8 and the cooling water tank 9 are connected through a pipeline; a connection disk 10 is arranged at one end of the brake drum main body 1 away from the water inlet pipe 6 and the water outlet pipe 7. An installation frame 13 is fixedly arranged on the connection disk 10, and a heat dissipation fan 14 is arranged on the installation frame 13.

[0020] Furthermore, a columnar block 4 is arranged between adjacent heat dissipation fins 2. The upper and lower ends of the block 4 are fixed on the inner wall of the brake drum main body 1 and the outer peripheral wall of the fixed ring sleeve 3.

[0021] Furthermore, the overall shape of the radiating water pipe 5 is "S"-shaped and wound around. One turning point of the radiating water pipe 5 passes through the stopper 4, and the stopper 4 facilitates the fixation of the radiating water pipe 5.

[0022] Furthermore, the connecting disc 10 and the brake drum main body 1 are of an integral structure.

[0023] Furthermore, the center of the connecting disc 10 is a circular opening. A plurality of heat dissipation holes 12 are arranged in an array on the outer ring of the connecting disc 10 away from the circular opening, and mounting holes 11 are arranged on the inner ring close to the circular opening. The mounting frame 13 is fixedly installed corresponding to the mounting holes 11.

[0024] Working principle: The present utility model provides an explosion-proof brake drum, which includes a brake drum main body 1. A number of heat dissipation fins 2 are evenly arranged at equal intervals in a circumferential array on the surface of the brake drum main body 1. The lower end of the heat dissipation fin 2 extends into the interior of the inner wall of the brake drum main body 1. A fixed ring sleeve 3 is arranged inside the brake drum main body 1. The outer side wall of the fixed ring sleeve 3 abuts against the side wall of the heat dissipation fin 2. An accommodation space is formed between two adjacent heat dissipation fins 2 and the fixed ring sleeve 3. A heat dissipation water pipe 5 is arranged in the accommodation space. The two outer ends of the heat dissipation water pipe 5 are arranged close to the heat dissipation fin 2 in the accommodation space. The uppermost end of the heat dissipation water pipe 5 is an inlet connected to a water inlet pipe 6, and the lowermost end of the heat dissipation water pipe 5 is an outlet connected to a water outlet pipe 7. The water inlet pipe 6 is connected to a water pump 8, and the water outlet pipe 7 is connected to a cooling water tank 9. The water pump 8 and the cooling water tank 9 are connected through a pipeline; One end of the brake drum main body 1 away from the water inlet pipe 6 and the water outlet pipe 7 is provided with a connection disk 10. An installation frame 13 is fixedly arranged on the connection disk 10. A heat dissipation fan 14 is arranged on the installation frame 13; In specific use, when the temperature of the brake drum is relatively high, the water pump 8 pumps the water in the cooling water tank 9 into the heat dissipation water pipe 5 through the water inlet pipe 6. The relatively low-temperature water in the heat dissipation water pipe 5 exchanges heat with the attached heat dissipation fin 2. The high-temperature water after absorbing heat re-enters the cooling water tank 9 for cooling and is recycled. At the same time, the outer end of the heat dissipation fin 2 exchanges heat with the air. While the heat dissipation water pipe 5 exchanges heat and cools down, the heat dissipation fan 14 is turned on to accelerate the air circulation inside the brake drum. The present utility model is provided with a heat dissipation water pipe 5 and a heat dissipation fin 2. The heat dissipation water pipe 5 is wound around the heat dissipation fin 2 in an "S" shape and is connected to the cooling water tank 9 and the water pump 8. When the temperature inside the brake drum is relatively high, the water pump 8 pumps the water inside the cooling water tank 9 into the heat dissipation water pipe 5. The heat dissipation water pipe 5 absorbs the heat generated by the brake drum due to braking. At the same time, the heat dissipation fin 2 also absorbs a part of the heat and exchanges heat with the surrounding air, improving the heat dissipation efficiency; The present utility model is also provided with an installation frame 13 and a heat dissipation fan 14. The heat dissipation fan 14 accelerates the air circulation inside the brake drum, blows the low-temperature air from the outside into the brake drum, and blows the hot air inside out, accelerating heat dissipation. At the same time, water cooling and air cooling are used to efficiently dissipate heat from the brake drum, reducing the possibility of the brake drum cracking due to high temperature; A gap is left between the brake drum main body 1 and the fixed ring sleeve 3. When braking, the brake shoe abuts against the side wall of the fixed ring sleeve 3 and rubs. The gap gives the fixed ring sleeve 3 space for deformation when it heats up. Moreover, the circumferentially arranged heat dissipation fins 2 strengthen the overall structural strength of the brake drum, further preventing the brake drum from bursting.

[0025] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof brake drum, characterized in that: The invention comprises a brake drum body (1), wherein a plurality of heat dissipation fins (2) are evenly and equidistantly arranged in an annular array on the surface of the brake drum body (1), wherein the lower ends of the heat dissipation fins (2) extend to the inside of the inner wall of the brake drum body (1), wherein a fixed ring sleeve (3) is arranged inside the brake drum body (1), wherein the outer side wall of the fixed ring sleeve (3) abuts against the side wall of the heat dissipation fin (2), and an accommodation space is formed between two adjacent heat dissipation fins (2) and the fixed ring sleeve (3), wherein a heat dissipation water pipe (5) is arranged in the accommodation space, and wherein the heat dissipation water pipe (5) is arranged in the accommodation space with both outer ends close to the heat dissipation fins (2). The uppermost end of the heat dissipation water pipe (5) is a water inlet connected to a water inlet pipe (6), the lowermost end of the heat dissipation water pipe (5) is a water outlet connected to a water outlet pipe (7), the water inlet pipe (6) is connected to a water pump (8), the water outlet pipe (7) is connected to a cooling water tank (9), and the water pump (8) and the cooling water tank (9) are connected via a pipeline; a connection plate (10) is provided at one end of the brake drum body (1) away from the water inlet pipe (6) and the water outlet pipe (7), a mounting frame (13) is fixedly provided on the connection plate (10), and a heat dissipation fan (14) is provided on the mounting frame (13).

2. The explosion-proof brake drum according to claim 1, characterized in that: A columnar stopper (4) is arranged between the adjacent heat dissipation fins (2), and the upper and lower ends of the stopper (4) are fixed on the inner wall of the brake drum body (1) and the outer peripheral wall of the fixing ring sleeve (3).

3. The explosion-proof brake drum according to claim 1, characterized in that: The heat dissipation water pipe (5) is arranged in an "S" shape as a whole, and a turning point on one side of the heat dissipation water pipe (5) passes through the block (4).

4. The explosion-proof brake drum according to claim 1, characterized in that: The connecting plate (10) and the brake drum body (1) are an integral structure.

5. The explosion-proof brake drum according to claim 1, characterized in that: The center of the connection disk (10) is a circular opening, a plurality of heat dissipation holes (12) are arranged in an outer circle array away from the circular opening on the connection disk (10), a mounting hole (11) is arranged in an inner circle close to the circular opening, and the mounting frame (13) is fixedly installed corresponding to the mounting hole (11).

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