An actively cooled disc brake assembly

Abstract

The application discloses an actively-cooled disc brake assembly and relates to the technical field of disc brake assemblies. The disc brake assembly comprises a brake frame plate and a brake disc body. Symmetrical hydraulic components are fixedly arranged on the inner side of the brake frame plate. Brake pads are fixedly arranged on the hydraulic components. A through pipe is fixedly and communicatively arranged on the hydraulic components. A connecting pipe is fixedly and communicatively arranged at the end of the through pipe, which is away from the hydraulic components. The position of the brake pads is on the outer side of the brake disc body. A heat-conducting ring is fixedly arranged on the outer side of the brake disc body. The disc brake assembly can automatically clean the heat-dissipating fins through the cooperation of the heat-dissipating fins, the cooling assembly and the auxiliary assembly. The heat-dissipating fins and the cold water can cooperate with each other to effectively and rapidly cool the overheated brake disc body, effectively prevent the brake disc body from overheating and prolong the service life of the brake disc, and greatly improve the performance and durability of the entire disc brake assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to disc brake assembly technical field, specifically to a disc brake assembly that can be actively cooled. BACKGROUND

[0002] The brake disc is the friction pair of the disc brake, in addition to having the strength and rigidity required as a component, it should also have a high and stable friction coefficient, and appropriate wear resistance, heat resistance, heat dissipation and heat capacity, the brake disc is an important part of the vehicle braking system, and its quality directly affects the safety of the vehicle driving.

[0003] During driving, the vehicle often brakes, and the friction with the brake disc generates a large amount of heat, if the heat cannot be effectively dissipated, the temperature of the brake disc will rise sharply, when the brake pad is overheated, the friction performance between the brake pad and the brake disc will decrease, so that the braking effect is weakened, and even the danger of brake failure occurs. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a disc brake assembly that can be actively cooled, which solves the problems mentioned in the background.

[0005] To achieve the above object, the present application is realized by the following technical scheme:

[0006] A disc brake assembly that can be actively cooled, comprising a brake frame plate and a brake disc body, the inner side of the brake frame plate is fixedly installed with symmetrically arranged hydraulic components, the brake pad is fixedly installed on the hydraulic component, the through pipe is fixedly communicated on the hydraulic component, the connecting pipe is fixedly communicated at the end away from the hydraulic component, and the position of the brake pad is on the outside of the brake disc body.

[0007] The outer side of the brake disc body is fixedly installed with a heat conducting ring, the outer side of the heat conducting ring is fixedly installed with cross-arranged heat dissipation fins, and the heat dissipation grooves are formed in the heat dissipation fins.

[0008] The inside of the brake frame plate is provided with a cooling assembly, and the inside of the brake frame plate and below the cooling assembly is provided with an auxiliary assembly.

[0009] Preferably, the cooling assembly comprises a cold water tank fixedly installed on the brake frame plate, the water pump is fixedly installed on the cold water tank, the output end of the water pump is fixedly communicated with the bifurcated pipe, the end away from the water pump of the bifurcated pipe is fixedly communicated with the hose, the end away from the water pump of the hose is fixedly communicated with the drain pipe, and the outer side of the drain pipe is fixedly installed with the water jet pipe and the extended jet pipe.

[0010] Preferably, the number of water spray pipes is multiple, and they are uniformly arranged, the water spray pipes are located on the outer side of the brake disc body, the extension spray pipe extends to the outer side of the brake plate from the end of the drain pipe, the nozzle of the extension spray pipe is located on the outer side of the heat dissipation fin, and the water spray pipe is located on the inner side of the extension spray pipe.

[0011] Preferably, a screw sliding block is fixedly installed on the brake block, a screw rod is rotatably installed on the inner side of the brake plate, a large gear is fixedly installed on the screw rod, a linkage rod is rotatably installed on the inner side of the brake plate and on one side of the screw rod, and a small gear and an intermittent gear are fixedly installed on the linkage rod.

[0012] Preferably, an oscillating groove is formed on the inner side of the brake plate and on one side of the linkage rod, an oscillating rod is rotatably installed in the oscillating groove, an oscillating ring is fixedly installed on the oscillating rod, a torsional spring is fixedly connected to the outer side of the oscillating ring, and an oscillating gear is fixedly installed on the drain pipe.

[0013] Preferably, the end of the screw rod away from the brake plate extends to the inside of the screw sliding block and is movably installed with the screw sliding block, the large gear is engaged with the small gear, the intermittent gear is located on the inner side of the small gear, the intermittent gear is engaged with the oscillating gear, the end of the oscillating rod away from the oscillating groove extends to the inner side of the brake plate and is fixedly installed with the drain pipe.

[0014] Preferably, the auxiliary assembly comprises a stabilizing block fixedly installed in the brake plate, a stabilizing rod slidably installed on the stabilizing block, an installation block fixedly installed at the bottom end of the stabilizing rod, a cleaning brush fixedly installed on the lower end surface of the installation block, and a connecting frame fixedly installed on the upper end surface of the installation block.

[0015] Preferably, an installation rod is fixedly installed on the outer side of the large gear, a limiting ring is fixedly installed on the installation rod, and a driving rod is rotatably installed on the installation rod and on the inner side of the limiting ring.

[0016] Preferably, the end of the driving rod away from the installation rod is rotatably connected to the connecting frame, the cleaning brush on the installation block is in contact with the heat dissipation fin by rotating the large gear, vertically sliding the stabilizing rod and the stabilizing block, and cooperating the driving rod and the installation rod.

[0017] The present application provides an actively cooled disc brake assembly. Compared with the prior art, the present application has the following advantages:

[0018] 1. The application utilizes a connecting pipe to pass hydraulic oil into the hydraulic component through the pipe, and through the drive of the hydraulic component, the two brake shoes move inward at the same time, and the two brake shoes complete the fixation of the brake disc body, when the brake disc body has high heat, the heat on the brake disc body is first transferred to the heat dissipation fins through the heat conducting ring, the heat dissipation fins accelerate the heat dissipation of the brake disc body, at the same time, the water pump sends the cold water in the cold water tank to the drain pipe through the bifurcated pipe and the hose, part of the cold water is sprayed on the brake disc body through the water jet pipe on the drain pipe, and another part of the cold water is sprayed on the heat dissipation fins through the extension spray pipe on the drain pipe, the heat dissipation grooves on the heat dissipation fins improve the contact between the cold water and the heat dissipation fins, so as to accelerate the heat dissipation effect of the heat dissipation fins, the cooling effect of the brake disc body is further accelerated by the cooling effect of the cold water, the heat accumulation of the brake disc body is effectively reduced, and the brake failure is prevented.

[0019] 2. When the two brake shoes move inward at the same time, the brake shoes synchronously drive the spiral slider to move synchronously, through the cooperation of the spiral slider and the spiral rod, the spiral rod is in a rotating state, the spiral rod drives the large gear to rotate through the rotation of the spiral rod, and through the cooperation of the large gear and the small gear, the small gear drives the intermittent gear to rotate through the linkage rod when rotating, through the cooperation of the intermittent gear and the swing gear, the swing rod is fixed with the drain pipe and the counterforce of the swing spring, so that the drain pipe is in a swing state, and the cold water sprayed by the water jet pipe and the extension spray pipe is more uniform in contact with the brake disc body and the heat dissipation fins, so that the heat is quickly taken away.

[0020] 3. When the large gear rotates, the large gear drives the drive rod to rotate through the mounting rod and the limiting ring, through the cooperation of the drive rod and the connecting frame, the fixing of the connecting frame and the mounting block, and the limiting sliding of the stabilizing rod and the stabilizing block on the mounting block, the cleaning brush on the mounting block is conveniently lowered, the cleaning brush contacts the heat dissipation fins, the dust on the heat dissipation fins is conveniently cleaned by the cleaning brush, the heat dissipation fins are always kept clean, dust accumulation is prevented to affect the heat dissipation effect, and the heat dissipation effect of the brake disc body is further improved.

[0021] 4. Through the cooperation of the heat dissipation fins, the cooling assembly and the auxiliary assembly, the automatic cleaning of the heat dissipation fins can be automatically completed, the heat dissipation fins and the cold water cooperate with each other, the over-heated brake disc body can be quickly cooled, the over-heating of the brake disc body is effectively prevented, and the service life of the brake disc is prolonged, so that the performance and durability of the entire disc brake assembly are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the application;

[0023] Figure 2 The internal structure diagram of the brake frame plate in the application;

[0024] Figure 3 The internal structure diagram of the brake frame plate in the application; Figure 2 The enlarged view of A in the application;

[0025] Figure 4 The side sectional view of the brake frame plate in the application;

[0026] Figure 5 The internal structure diagram of the brake frame plate in the application; Figure 4 The enlarged view of B in the application;

[0027] Figure 6 The structure diagram of the mounting block in the application;

[0028] Figure 7 The structure diagram of the spiral slider in the application;

[0029] Figure 8 The structure diagram of the drain pipe in the application.

[0030] In the figure: 1, brake frame plate; 2, brake disc body; 3, hydraulic part; 4, brake pad; 5, through pipe; 6, connecting pipe; 7, heat conducting ring; 8, heat dissipation fin; 9, heat dissipation groove; 10, cold water tank; 11, water pump; 12, bifurcated pipe; 13, hose; 14, drain pipe; 15, water spray pipe; 16, extended spray pipe; 17, spiral slider; 18, spiral rod; 19, large gear; 20, linkage rod; 21, small gear; 22, intermittent gear; 23, swing groove; 24, swing rod; 25, swing ring; 26, torsional spring; 27, swing gear; 28, stabilizing block; 29, stabilizing rod; 30, mounting block; 31, cleaning brush; 32, connecting frame; 33, mounting rod; 34, limiting ring; 35, driving rod. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0032] Please refer to Figures 1-8The application discloses an actively-cooled disc brake assembly which comprises a brake carrier plate 1 and a brake disc body 2, the inner side of the brake carrier plate 1 is fixedly provided with symmetrical hydraulic components 3, the hydraulic components 3 are fixedly provided with brake pads 4, the hydraulic components 3 are fixedly and communicatively provided with through pipes 5, the through pipes 5 are fixedly and communicatively provided with connecting pipes 6 at the ends away from the hydraulic components 3, the brake pads 4 are located at the outer side of the brake disc body 2, the outer side of the brake disc body 2 is fixedly provided with heat-conducting rings 7, the outer side of the heat-conducting rings 7 is fixedly provided with cross-arranged heat dissipation fins 8, the heat dissipation fins 8 are provided with heat dissipation grooves 9, the inside of the brake carrier plate 1 is provided with a cooling assembly, the inside of the brake carrier plate 1 and below the cooling assembly is provided with an auxiliary assembly, the cooling assembly comprises a cold water tank 10 fixedly arranged on the brake carrier plate 1, the cold water tank 10 is fixedly provided with a water pump 11, the output end of the water pump 11 is fixedly and communicatively provided with a bifurcated pipe 12, the bifurcated pipe 12 is fixedly and communicatively provided with a hose 13 at the end away from the water pump 11, the hose 13 is fixedly and communicatively provided with a drain pipe 14 at the end away from the water pump 11, the outer side of the drain pipe 14 is fixedly provided with water spraying pipes 15 and extended spraying pipes 16, the number of the water spraying pipes 15 is plural and they are evenly arranged, the water spraying pipes 15 are located at the outer side of the brake disc body 2, the extended spraying pipes 16 extend to the outer side of the brake carrier plate 1 at the ends away from the drain pipe 14, the nozzles of the extended spraying pipes 16 are located at the outer side of the heat dissipation fins 8, and the position of the water spraying pipes 15 is located at the inner side of the extended spraying pipes 16, wherein the cold water tank 10 is provided with a water inlet pipe, the water inlet pipe is convenient for adding cold water into the cold water tank 10, and the hydraulic components 3 and the water inlet pipe are both known technologies in the field and will not be described in detail.

[0033] In the embodiment, the hydraulic oil is introduced into the hydraulic components 3 through the through pipes 5 by the connecting pipes 6, the two brake pads 4 are simultaneously moved to the inner side by the driving of the hydraulic components 3, and the brake disc body 2 is fixed by the two brake pads 4, when the brake disc body 2 has high heat, the heat on the brake disc body 2 is firstly transferred to the heat dissipation fins 8 through the heat-conducting rings 7, the heat dissipation of the brake disc body 2 is accelerated by the heat dissipation fins 8, meanwhile, the cold water in the cold water tank 10 is delivered into the drain pipe 14 through the bifurcated pipe 12 and the hose 13 by the water pump 11, part of the cold water is sprayed on the brake disc body 2 by the water spraying pipes 15 on the drain pipe 14, another part of the cold water is sprayed on the heat dissipation fins 8 by the extended spraying pipes 16 on the drain pipe 14, the heat dissipation effect of the heat dissipation fins 8 is improved by the heat dissipation grooves 9 on the heat dissipation fins 8, the cooling of the brake disc body 2 is further accelerated by the cold water, the heat accumulation of the brake disc body 2 is effectively reduced, and the brake failure is prevented.

[0034] The brake piece 4 is fixedly provided with a screw sliding block 17, the inner side of the brake frame plate 1 is rotatably provided with a screw rod 18, the screw rod 18 is fixedly provided with a large gear 19, the inner side of the brake frame plate 1 and at one side of the screw rod 18 is rotatably provided with a linkage rod 20, the linkage rod 20 is fixedly provided with a small gear 21 and an intermittent gear 22, the inner side of the brake frame plate 1 and at one side of the linkage rod 20 is provided with an oscillating groove 23, the oscillating groove 23 is rotatably provided with an oscillating rod 24, the oscillating rod 24 is fixedly provided with an oscillating ring 25, the outer side of the oscillating ring 25 is fixedly connected with a torsion spring 26, the drain pipe 14 is fixedly provided with an oscillating gear 27, one end of the screw rod 18 away from the brake frame plate 1 extends to the inside of the screw sliding block 17 and is movably arranged with the screw sliding block 17, the large gear 19 is engaged with the small gear 21, the intermittent gear 22 is located at the inner side of the small gear 21, the intermittent gear 22 is engaged with the oscillating gear 27, one end of the oscillating rod 24 away from the oscillating groove 23 extends to the inner side of the brake frame plate 1 and is fixedly arranged with the drain pipe 14, wherein the ratio of the large gear 19 to the small gear 21 is at least 4:1, so that the small gear 21 rotates one circle when the large gear 19 rotates 90 degrees, and the drain pipe 14 can oscillate multiple times, wherein the screw sliding block 17 is provided with a screw hole matched with the screw rod 18, and the screw sliding block 17 is matched with the screw rod 18 through the screw hole, since the structure of the screw rod 18 is a technology known to those skilled in the art, which will not be described in detail here.

[0035] In the embodiment, when the two brake pieces 4 move inward at the same time, the brake pieces 4 synchronously drive the screw sliding block 17 to move synchronously, through the cooperation of the screw sliding block 17 and the screw rod 18, the screw rod 18 is in a rotating state, through the rotation of the screw rod 18 to drive the large gear 19 to rotate, and then through the cooperation of the large gear 19 and the small gear 21, the small gear 21 rotates to drive the intermittent gear 22 to rotate through the linkage rod 20, through the cooperation of the intermittent gear 22 and the oscillating gear 27, the oscillating rod 24 is fixed with the drain pipe 14 and the reverse force of the torsion spring 26 on the oscillating rod 24, so that the drain pipe 14 is in an oscillating state, and the oscillating state of the drain pipe 14 facilitates the cold water sprayed by the water spraying pipe 15 and the extension spraying pipe 16 to be more uniformly in contact with the brake disc body 2 and the heat dissipation fins 8, so that the heat is quickly taken away.

[0036] The auxiliary assembly comprises a stabilizing block 28 fixedly installed in the brake frame plate 1, a stabilizing rod 29 slidingly installed on the stabilizing block 28, an installation block 30 fixedly installed at the bottom end of the stabilizing rod 29, a cleaning brush 31 fixedly installed on the lower end surface of the installation block 30, a connecting frame 32 fixedly installed on the upper end surface of the installation block 30, an installation rod 33 fixedly installed on the outer side surface of the large gear 19, a limiting ring 34 fixedly installed on the installation rod 33, a driving rod 35 rotatably installed on the installation rod 33 and located on the inner side of the limiting ring 34, and the one end of the driving rod 35 away from the installation rod 33 is rotatably connected to the connecting frame 32. By rotating the large gear 19, by the vertical sliding of the stabilizing rod 29 and the stabilizing block 28, by the cooperation of the driving rod 35 and the installation rod 33, the cleaning brush 31 on the installation block 30 is brought into contact with the heat dissipation fins 8. The material of the cleaning brush 31 is heat-resistant material, which avoids the damage of the cleaning brush 31 caused by the high temperature of the brake disc body 2, and the cleaning brush 31 is fixed and the heat dissipation fins 8 on the heat conduction ring 7 are completely cleaned. The movement of the installation block 30 is driven by two symmetrically arranged driving rods 35, and the driving rod 35 is inclined.

[0037] In the embodiment, when the large gear 19 rotates, the large gear 19 drives the driving rod 35 to rotate through the installation rod 33 and the limiting ring 34. By the cooperation of the driving rod 35 and the connecting frame 32, the fixing of the connecting frame 32 and the installation block 30, and the limiting sliding of the stabilizing rod 29 and the stabilizing block 28 on the installation block 30, the cleaning brush 31 on the installation block 30 is lowered to contact the heat dissipation fins 8. The cleaning brush 31 is used to clean the dust on the heat dissipation fins 8, so that the heat dissipation fins 8 are always kept clean, the dust accumulation is prevented, the heat dissipation effect is improved, and the heat dissipation effect of the brake disc body 2 is further improved.

[0038] Working principle: in use, the hydraulic oil is introduced into the hydraulic part 3 through the connecting pipe 6 and the through pipe 5, and the two brake shoes 4 are driven to move inward simultaneously, so that the brake disc body 2 is fixed by the two brake shoes 4. When the two brake shoes 4 move inward simultaneously, the spiral slider 17 is synchronously driven to move by the brake shoes 4. Through the cooperation of the spiral slider 17 and the spiral rod 18, the spiral rod 18 is in a rotating state. The spiral rod 18 is rotated to drive the large gear 19 to rotate. When the large gear 19 rotates, the large gear 19 drives the driving rod 35 to rotate through the mounting rod 33 and the limiting ring 34. Through the cooperation of the driving rod 35 and the connecting frame 32, the connecting frame 32 is fixed with the mounting block 30, and the limiting sliding of the stabilizing rod 29 and the stabilizing block 28 on the mounting block 30, the cleaning brush 31 on the mounting block 30 is lowered, so that the cleaning brush 31 contacts the heat dissipation fins 8. The cleaning brush 31 is used to pre-clean the dust on the heat dissipation fins 8, so that the surface of the heat dissipation fins 8 is kept clean. When the brake shoes 4 complete the braking action on the brake disc body 2, the brake disc body 2 is high in temperature. The heat on the brake disc body 2 is transferred to the heat dissipation fins 8 through the heat conducting ring 7. The heat dissipation fins 8 accelerate the heat dissipation of the brake disc body 2. At the same time, the water pump 11 sends the cold water in the cold water tank 10 to the drain pipe 14 through the bifurcated pipe 12 and the hose 13. The water in the drain pipe 14 is sprayed on the brake disc body 2 through the water spraying pipe 15. Another part of the cold water is sprayed on the heat dissipation fins 8 through the extension spraying pipe 16 on the drain pipe 14. The heat dissipation grooves 9 on the heat dissipation fins 8 increase the contact between the cold water and the heat dissipation fins 8, so as to accelerate the heat dissipation effect of the heat dissipation fins 8. The cold water is used for cooling, which further accelerates the cooling of the brake disc body 2, effectively reduces the heat accumulation of the brake disc body 2, and prevents the brake from failing. When the two brake shoes 4 move inward simultaneously, the spiral slider 17 is synchronously driven to move by the brake shoes 4. Through the cooperation of the spiral slider 17 and the spiral rod 18, the spiral rod 18 is in a rotating state. The spiral rod 18 is rotated to drive the large gear 19 to rotate. Through the cooperation of the large gear 19 and the small gear 21, the small gear 21 is rotated to drive the intermittent gear 22 to rotate through the linkage rod 20 when the small gear 21 rotates. Through the cooperation of the intermittent gear 22 and the swing gear 27, the swing rod 24 is fixed with the drain pipe 14, and the counterforce of the swing spring 26, so that the drain pipe 14 is in a swing state. The water sprayed by the water spraying pipe 15 and the extension spraying pipe 16 is more uniform in contact with the brake disc body 2 and the heat dissipation fins 8, so that the heat is quickly taken away.

[0039] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting, since the scope of the present application will be limited to the appended claims. It must be noted that, as used in the specification and the appended claims, the singular form "a," "an" and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a plurality of components. Also, the terms "comprises," "comprising," "includes," "including" or "contains," "containing," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises, includes, contains or contains elements or steps not expressly listed is also within the scope of such terms. The terms "comprise," "comprising," "include," "including," and "contain," "containing," are not used in their exclusive sense but in their inclusive sense.

[0040] While the embodiments of the application have been shown and described herein, it is to be understood that the application is not limited to these embodiments. Rather, various modifications, changes, substitutions, and alterations can be made thereto without departing from the spirit and scope of the present application.

Claims

1. An actively coolable disc brake assembly comprising a brake carrier plate (1) and a brake disc body (2), characterized in that: The inner side of the brake frame plate (1) is fixedly installed with symmetrically arranged hydraulic components (3), the brake pads (4) are fixedly installed on the hydraulic components (3), the through pipes (5) are fixedly communicated on the hydraulic components (3), one end of the through pipes (5) away from the hydraulic components (3) is fixedly communicated with the connecting pipes (6), and the positions of the brake pads (4) are on the outer side of the brake disc body (2); The outer side of the brake disc body (2) is fixedly installed with the heat-conducting rings (7), the outer side of the heat-conducting rings (7) is fixedly installed with the cross-arranged heat dissipation fins (8), and the heat dissipation grooves (9) are formed in the heat dissipation fins (8); The inside of the brake frame plate (1) is provided with a cooling assembly, the inside of the brake frame plate (1) and below the cooling assembly is provided with an auxiliary assembly, the cooling assembly comprises a cold water tank (10) fixedly installed on the brake frame plate (1), the water pump (11) is fixedly installed on the cold water tank (10), the output end of the water pump (11) is fixedly communicated with the bifurcated pipes (12), one end of the bifurcated pipes (12) away from the water pump (11) is fixedly communicated with the hoses (13), one end of the hoses (13) away from the water pump (11) is fixedly communicated with the drain pipes (14), the outer side of the drain pipes (14) is fixedly installed with the water spraying pipes (15) and the extended spraying pipes (16), the spiral sliding blocks (17) are fixedly installed on the brake pads (4), the spiral rods (18) are rotatably installed on the inner side of the brake frame plate (1), the large gears (19) are fixedly installed on the spiral rods (18), the linkage rods (20) are rotatably installed on one side of the spiral rods (18) on the inner side of the brake frame plate (1), the small gears (21) and the intermittent gears (22) are fixedly installed on the linkage rods (20), the oscillating grooves (23) are formed on one side of the linkage rods (20) on the inner side of the brake frame plate (1), the oscillating rods (24) are rotatably installed in the oscillating grooves (23), the oscillating rings (25) are fixedly installed on the oscillating rods (24), the torsional springs (26) are fixedly connected to the outer side of the oscillating rings (25), and the oscillating gears (27) are fixedly installed on the drain pipes (14); The auxiliary assembly comprises the stabilizing blocks (28) fixedly installed in the brake frame plate (1), the stabilizing rods (29) are slidingly installed on the stabilizing blocks (28), the mounting blocks (30) are fixedly installed at the bottom ends of the stabilizing rods (29), the cleaning brushes (31) are fixedly installed on the lower end faces of the mounting blocks (30), the connecting frames (32) are fixedly installed on the upper end faces of the mounting blocks (30), the mounting rods (33) are fixedly installed on the outer side of the large gears (19), the limiting rings (34) are fixedly installed on the mounting rods (33), and the driving rods (35) are rotatably installed on the mounting rods (33) and inside the limiting rings (34).

2. An actively cooled disc brake assembly according to claim 1, wherein: The number of the water spraying pipes (15) is multiple, and they are uniformly arranged, the water spraying pipes (15) are located at the outer side of the brake disc body (2), the extending spraying pipes (16) extend to the outer side of the brake frame plate (1) from the one end of the water draining pipe (14), the spraying heads of the extending spraying pipes (16) are located at the outer side of the heat dissipation fins (8), and the positions of the water spraying pipes (15) are located at the inner side of the extending spraying pipes (16).

3. An actively cooled disc brake assembly according to claim 1, wherein: The screw rod (18) extends to the inside of the screw sliding block (17) from the one end of the brake frame plate (1), and is movably installed with the screw sliding block (17), the large gear (19) is engaged with the small gear (21), the intermittent gear (22) is located at the inner side of the small gear (21), the intermittent gear (22) is engaged with the swing gear (27), the swing rod (24) extends to the inner side of the brake frame plate (1) from the one end of the swing groove (23), and is fixedly installed with the water draining pipe (14).

4. An actively cooled disc brake assembly according to claim 1, wherein: The driving rod (35) is rotatably connected to the connecting frame (32) from the one end of the mounting rod (33), the mounting block (30) is contacted with the heat dissipation fins (8) by the rotation of the large gear (19), the vertical sliding of the stabilizing rod (29) and the stabilizing block (28), and the cooperation of the driving rod (35) and the mounting rod (33).

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