High Thermal Conductivity Vermicular Graphite Brake Disc

Abstract

The present invention discloses a highly heat-conductive vermicular graphite brake disc, which relates to the technical field of brake discs. It includes a brake disc body, and the brake disc body includes a mounting ring. Front and rear brake discs are respectively and fixedly installed at both ends of the mounting ring; a replacement assembly is arranged on the mounting ring, and a plurality of spare brake discs are installed on the replacement assembly. Replacement grooves are formed on both the front brake disc and the rear brake disc; positioning assemblies are arranged inside both the front brake disc and the rear brake disc, and a temperature reduction assembly is arranged on the positioning assemblies. This invention automatically replaces the front and back sides of the spare brake discs on the brake disc body through the replacement assembly, effectively extending the service life of the brake disc body, and at the same time, to a certain extent, avoiding the phenomenon of car accidents caused by brake failure. By using the positioning assembly and the temperature reduction assembly, it effectively reduces the phenomenon that the brake disc body is deformed due to excessive heat of the brake disc body.

Description

Technical Field

[0001] The present invention relates to the technical field of brake discs, and specifically to a high - thermal - conductivity vermicular graphite brake disc. Background Art

[0002] A high - thermal - conductivity vermicular graphite brake disc is a new type of brake disc. Its main feature is the use of vermicular graphite material with high thermal conductivity (usually vermicular cast iron). This material not only has high thermal conductivity but also excellent friction and wear resistance. Among them, the brake disc is an important part of the vehicle braking system.

[0003] In the prior art, the Chinese patent application with the publication number CN110966326A discloses a fast - cooling brake disc. By using the rotation of the brake disc with the shaft sleeve, natural wind is inhaled through the self - cyclone inlet based on the eddy current principle, then enters the self - cyclone cavity, and enters the honeycomb patch through the self - cyclone channel. Through the effective heat - conducting and dissipating function of the honeycomb patch, the heat is taken away through the air outlet on the air outlet cover, realizing the cooling of the brake disc under normal use without other power, natural heat dissipation, good heat dissipation effect, and low operating cost, and solving the problem of poor cooling effect of the existing brake discs.

[0004] The existing brake discs are divided into single - sided brake discs and double - sided brake discs. When the double - sided brake disc works, both sides of the double - sided brake disc will come into contact with the brake pads simultaneously to realize the function of automobile braking. Among them, under long - term operation, due to long - term contact with the brake pads, the disc surface of the double - sided brake disc will be severely worn. When there is no significant friction between the double - sided brake disc and the brake pads, it will lead to the failure of automobile braking, which is likely to cause accidents. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides a high - thermal - conductivity vermicular graphite brake disc, which solves the problems mentioned in the above background art.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions:

[0007] A high - thermal - conductivity vermicular graphite brake disc, including a brake disc body. The brake disc body includes a mounting ring, and a front brake disc and a rear brake disc are respectively and fixedly installed at both ends of the mounting ring;

[0008] A replacement component is provided on the mounting ring, and a plurality of spare brake discs are installed on the replacement component. Replacement grooves are provided on both the front brake disc and the rear brake disc;

[0009] Positioning components are respectively arranged inside the front brake disc and the rear brake disc, and a cooling component is arranged on the positioning component.

[0010] Preferably, the replacement component includes a mounting frame plate and an auxiliary frame plate fixedly installed between the front brake disc and the rear brake disc. A motor is fixedly installed on the mounting frame plate. The output end of the motor is fixedly installed with a drive shaft. A worm is fixedly installed on the drive shaft. A rotating ring is fixedly installed on the mounting ring. The side end face of the rotating ring is fixedly installed with worm gear teeth.

[0011] Preferably, the side end face of the rotating ring is fixedly installed with symmetrically arranged helical gear rings. A plurality of auxiliary shafts are rotatably installed inside both the front brake disc and the rear brake disc. Helical gears are fixedly installed on the plurality of auxiliary shafts. The spare brake disc is fixedly installed on the auxiliary shaft.

[0012] Preferably, auxiliary grooves for cooperating with the auxiliary shafts are opened inside both the front brake disc and the rear brake disc. Drive grooves for cooperating with the helical gears are opened on both the front brake disc and the rear brake disc. The helical gears are meshed with the helical gear rings. The worm is meshed with the worm gear teeth. The position of the spare brake disc is inside the replacement groove. The mounting frame plate and the auxiliary frame plate are symmetrically arranged. The end of the drive shaft away from the mounting frame plate is rotatably connected to the auxiliary frame plate.

[0013] Preferably, an air pump is fixedly installed on the auxiliary frame plate. The output end of the air pump is fixedly communicated with an air outlet pipe. The end of the air outlet pipe away from the air pump is fixedly communicated with a shunt pipe. The end of the shunt pipe away from the air outlet pipe is fixedly communicated with an annular pipe. An exhaust pipe is fixedly communicated with the annular pipe. A valve is arranged on the exhaust pipe.

[0014] Preferably, mounting cavities are opened inside both the front brake disc and the rear brake disc. A circular block is slidably installed inside the mounting cavity. One end of the circular block is fixedly installed with a positioning rod. An extrusion air bag is fixedly installed inside the mounting cavity and on one side of the circular block. A positioning groove is opened on the spare brake disc.

[0015] Preferably, the end of the exhaust pipe away from the annular pipe extends into the mounting cavity and is fixedly communicated with the extrusion air bag. The end of the positioning rod away from the circular block extends into the replacement groove and is inserted into the positioning groove of the spare brake disc.

[0016] Preferably, the side end face of the circular block is fixedly connected with a spring. The end of the spring away from the circular block is fixedly connected inside the mounting cavity. The spring is located outside the positioning rod. A limiting groove is opened inside the mounting cavity. A limiting block is fixedly installed on the circular block. The limiting block is slidably connected with the limiting groove.

[0017] Preferably, an air guide pipe is fixedly communicated with the annular pipe, and a plurality of exhaust heads are fixedly arranged on the air guide pipe. A heat conduction ring is fixedly installed on the inner sides of the front brake disc and the rear brake disc, and heat dissipation fins are fixedly installed on the heat conduction ring. The number of the air guide pipes and the heat dissipation fins is multiple, and they are both arranged in a ring shape. The exhaust heads on the air guide pipe and the heat dissipation fins are in the same direction.

[0018] Preferably, positioning cavities are formed inside the front brake disc and the rear brake disc, a shaping airbag is arranged inside the positioning cavities, a connecting pipe is fixedly communicated with the shaping airbag, and one end of the connecting pipe far away from the shaping airbag is fixedly communicated with the annular pipe.

[0019] The present invention provides a high - thermal - conductivity vermicular graphite brake disc. Compared with the prior art, it has the following beneficial effects:

[0020] 1. In the present invention, the worm on the driving shaft is driven to rotate by the motor. By the cooperation of the worm and the worm wheel teeth on the rotating ring, the rotating ring rotates to drive the helical tooth ring to rotate. Then, through the cooperation of the helical tooth ring and the helical gear on the auxiliary shaft, the auxiliary shaft rotates to rotate the spare brake disc by 180 degrees, so that the back surface of the spare brake disc is in the front of the brake disc body. By using the contact between the back surface of the spare brake disc and the brake pads, the service life of the brake disc body can be effectively extended.

[0021] 2. In the present invention, the gas is introduced into the shunt pipe through the air outlet pipe by the air pump. The gas in the shunt pipe enters the annular pipe. The gas in the annular pipe is divided into three parts. One part of the gas enters the extrusion airbag through the exhaust pipe. The extrusion airbag expands due to the filling of the gas. The extrusion airbag is used to push the circular block to slide in the installation cavity. The positioning rod on the circular block is inserted into the positioning groove of the spare brake disc to ensure that the spare brake disc will not change its position in the replacement groove after the front and back sides are replaced, and ensure that the spare brake disc can effectively contact the brake pads, improving the use effect of the spare brake disc body.

[0022] 3. In the present invention, the heat conduction ring can absorb the heat on the brake disc body, and the absorbed heat will be quickly dissipated through the heat dissipation fins. At the same time, one part of the gas in the annular pipe enters the air guide pipe, and the gas in the air guide pipe is discharged through the exhaust heads. The discharged gas blows to the position of the heat dissipation fins. While accelerating the heat dissipation efficiency of the heat dissipation fins through the gas flow, it can avoid the phenomenon that the brake disc is damaged due to overheating caused by friction.

[0023] 4. In the present invention, the last part of the gas in the annular pipe is introduced into the shaping airbag through the connecting pipe. By the expansion of the shaping airbag, the deformation pressure received by the brake disc body is shared, effectively reducing the deformation degree of the brake disc body and further improving the service life of the brake disc body. Description of the Drawings

[0024] Figure 1 is the overall structural schematic diagram of the present invention;

[0025] Figure 2 is the cross-sectional view of the brake disc body in the present invention;

[0026] Figure 3 is the internal structural schematic diagram of the front brake disc in the present invention;

[0027] Figure 4 is Figure 3 the enlarged view of part A in

[0028] Figure 5 is the structural schematic diagram of the annular tube in the present invention;

[0029] Figure 6 is Figure 5 the enlarged view of part B in

[0030] Figure 7 is the cross-sectional view of the mounting ring in the present invention;

[0031] Figure 8 is the structural schematic diagram of the helical ring in the present invention;

[0032] Figure 9 is the cross-sectional view of the front brake disc in the present invention.

[0033] In the figure: 1. Brake disc body; 101. Mounting ring; 102. Front brake disc; 103. Rear brake disc; 2. Spare brake disc; 3. Replacement groove; 4. Mounting frame plate; 5. Auxiliary frame plate; 6. Motor; 7. Drive shaft; 8. Worm; 9. Rotating ring; 10. Worm gear teeth; 11. Helical ring; 12. Auxiliary shaft; 13. Helical gear; 14. Auxiliary groove; 15. Drive groove; 16. Air pump; 17. Air outlet pipe; 18. Shunt pipe; 19. Annular tube; 20. Exhaust pipe; 21. Valve; 22. Installation cavity; 23. Circular block; 24. Positioning rod; 25. Extrusion airbag; 26. Positioning groove; 27. Spring; 28. Limiting groove; 29. Limiting block; 30. Air guide pipe; 31. Exhaust head; 32. Heat conducting ring; 33. Heat dissipation fin; 34. Positioning cavity; 35. Shaping airbag; 36. Connecting pipe. Detailed implementation manners

[0034] 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.

[0035] Please refer to Figures 1-9 , the present invention is a high - thermal - conductivity vermicular graphite brake disc, which includes a brake disc body 1. The brake disc body 1 includes a mounting ring 101. At both ends of the mounting ring 101, a front brake disc 102 and a rear brake disc 103 are fixedly installed respectively. A replacement component is arranged on the mounting ring 101, and a plurality of spare brake discs 2 are installed on the replacement component. Replacement grooves 3 are provided on both the front brake disc 102 and the rear brake disc 103. Positioning components are arranged inside both the front brake disc 102 and the rear brake disc 103, and a temperature - reducing component is arranged on the positioning component.

[0036] The replacement component includes a mounting plate 4 and an auxiliary plate 5 fixedly installed between the front brake disc 102 and the rear brake disc 103. A motor 6 is fixedly installed on the mounting plate 4. The output end of the motor 6 is fixedly installed with a drive shaft 7. A worm 8 is fixedly installed on the drive shaft 7. A rotating ring 9 is fixedly installed on the mounting ring 101. A worm gear tooth 10 is fixedly installed on the side end face of the rotating ring 9. Symmetrically arranged helical ring teeth 11 are fixedly installed on the side end face of the rotating ring 9. A plurality of auxiliary shafts 12 are rotatably installed inside both the front brake disc 102 and the rear brake disc 103. Helical gears 13 are fixedly installed on the plurality of auxiliary shafts 12. The spare brake disc 2 is fixedly installed on the auxiliary shafts 12. Auxiliary grooves 14 for cooperating with the auxiliary shafts 12 are provided inside both the front brake disc 102 and the rear brake disc 103. Drive grooves 15 for cooperating with the helical gears 13 are provided on both the front brake disc 102 and the rear brake disc 103. The helical gears 13 are meshed with the helical ring teeth 11, and the worm 8 is meshed with the worm gear tooth 10. The position of the spare brake disc 2 is inside the replacement groove 3. The mounting plate 4 and the auxiliary plate 5 are symmetrically arranged. One end of the drive shaft 7 away from the mounting plate 4 is rotatably connected to the auxiliary plate 5. Among them, power is used to drive the rotation of the spare brake disc 2, ensuring that when the brake disc body 1 is used on an automobile, it is avoided that the surface of the brake disc body 1 is too smooth to play a braking role. The power can automatically replace the front and back sides of the spare brake disc 2, and to a certain extent, it can play a braking effect.

[0037] In the present invention, the motor 6 drives the worm 8 on the drive shaft 7 to rotate. By using the cooperation between the worm 8 and the worm gear tooth 10 on the rotating ring 9, the rotation of the rotating ring 9 is used to drive the rotation of the helical ring teeth 11. Then, through the cooperation between the helical ring teeth 11 and the helical gears 13 on the auxiliary shafts 12, the spare brake disc 2 is rotated by 180 degrees through the rotation of the auxiliary shafts 12, so that the back side of the spare brake disc 2 is in the front of the brake disc body 1. By using the contact between the back side of the spare brake disc 2 and the brake pads, the service life of the brake disc body 1 can be effectively extended.

[0038] An air pump 16 is fixedly installed on the auxiliary support plate 5. The output end of the air pump 16 is fixedly communicated with an air outlet pipe 17. One end of the air outlet pipe 17 away from the air pump 16 is fixedly communicated with a shunt pipe 18. One end of the shunt pipe 18 away from the air outlet pipe 17 is fixedly communicated with an annular pipe 19. An exhaust pipe 20 is fixedly communicated with the annular pipe 19. A valve 21 is arranged on the exhaust pipe 20. Installation cavities 22 are formed inside the front brake disc 102 and the rear brake disc 103. A circular block 23 is slidably installed inside the installation cavity 22. One end of the circular block 23 is fixedly installed with a positioning rod 24. An extrusion air bag 25 is fixedly installed inside the installation cavity 22 and on one side of the circular block 23. A positioning groove 26 is formed in the spare brake disc 2. One end of the exhaust pipe 20 away from the annular pipe 19 extends into the installation cavity 22 and is fixedly communicated with the extrusion air bag 25. One end of the positioning rod 24 away from the circular block 23 extends into the replacement groove 3 and is inserted into the positioning groove 26 of the spare brake disc 2. The side end face of the circular block 23 is fixedly connected with a spring 27. One end of the spring 27 away from the circular block 23 is fixedly connected inside the installation cavity 22. The spring 27 is located outside the positioning rod 24. A limiting groove 28 is formed inside the installation cavity 22. A limiting block 29 is fixedly installed on the circular block 23. The limiting block 29 is slidably connected with the limiting groove 28. When there is no gas filled in the extrusion air bag 25, the elastic force of the spring 27 can be used to make the positioning rod 24 inserted into the positioning groove 26 return to its original position, ensuring that the spare brake disc 2 can rotate normally. An air outlet pipe 17 can be arranged on the extrusion air bag 25. One end of the air outlet pipe 17 away from the extrusion air bag 25 extends between the front brake disc 102 and the rear brake disc 103, facilitating the discharge of the gas in the extrusion air bag 25. The position of the annular pipe 19 can be installed inside the brake disc body 1 according to the needs of personnel, or can be arranged between the front brake disc 102 and the rear brake disc 103.

[0039] In the present invention, the air pump 16 is used to introduce gas into the shunt pipe 18 through the air outlet pipe 17. The gas in the shunt pipe 18 will enter the annular pipe 19. The gas in the annular pipe 19 will be divided into three parts. One part of the gas will enter the extrusion air bag 25 through the exhaust pipe 20. The extrusion air bag 25 expands due to the filling of gas. The extrusion air bag 25 is used to push the circular block 23 to slide inside the installation cavity 22. The positioning rod 24 on the circular block 23 is inserted into the positioning groove 26 of the spare brake disc 2, ensuring that the spare brake disc 2 will not change its position in the replacement groove 3 after the front and back sides are replaced, ensuring that the spare brake disc 2 can effectively contact the brake pads and improving the use effect of the spare brake disc 2.

[0040] An air duct 30 is fixedly connected to the annular pipe 19. A plurality of exhaust heads 31 are fixedly arranged on the air duct 30. Heat-conducting rings 32 are fixedly installed on the inner sides of the front brake disc 102 and the rear brake disc 103. Heat-radiating fins 33 are fixedly installed on the heat-conducting rings 32. The number of the air ducts 30 and the heat-radiating fins 33 is multiple, and they are both arranged in a ring shape. The exhaust heads 31 on the air duct 30 and the heat-radiating fins 33 are in the same direction. One end of the air duct 30 far from the annular pipe 19 extends between the front brake disc 102 and the rear brake disc 103. The position of the exhaust head 31 is between the front brake disc 102 and the rear brake disc 103, ensuring that the gas discharged from the exhaust head 31 can blow towards the heat-radiating fins 33.

[0041] In the present invention, the heat-conducting ring 32 can absorb the heat on the brake disc body 1, and the absorbed heat will be quickly dissipated through the heat-radiating fins 33. At the same time, one portion of the gas in the annular pipe 19 enters the air duct 30, and the gas in the air duct 30 will be discharged through the exhaust head 31. The discharged gas will blow towards the position of the heat-radiating fins 33. While accelerating the heat dissipation efficiency of the heat-radiating fins 33 through the flow of the gas, it can avoid the phenomenon that the brake disc body 1 is damaged due to overheating caused by friction.

[0042] Positioning cavities 34 are formed inside the front brake disc 102 and the rear brake disc 103. A shaping airbag 35 is arranged inside the positioning cavities 34. A connecting pipe 36 is fixedly connected to the shaping airbag 35. One end of the connecting pipe 36 far from the shaping airbag 35 is fixedly connected to the annular pipe 19.

[0043] In the present invention, the last portion of the gas in the annular pipe 19 is introduced into the shaping airbag 35 through the connecting pipe 36. The shaping airbag 35 expands to share the deformation pressure received by the brake disc body 1, effectively reducing the degree of deformation of the brake disc body 1 and further improving the service life of the brake disc body 1.

[0044] Working principle: When in use, the motor 6 drives the worm 8 on the drive shaft 7 to rotate. By using the cooperation between the worm 8 and the worm gear teeth 10 on the rotating ring 9, the rotating ring 9 rotates to drive the helical ring 11 to rotate. Then, through the cooperation between the helical ring 11 and the helical gear 13 on the auxiliary shaft 12, the auxiliary shaft 12 rotates to rotate the spare brake disc 2 by 180 degrees, so that the back surface of the spare brake disc 2 is in the front of the brake disc body 1. The reverse side of the spare brake disc 2 is used to contact the brake pads, thereby achieving the effect of braking the vehicle.

[0045] The gas is introduced into the shunt pipe 18 through the outlet pipe 17 by the air pump 16. The gas in the shunt pipe 18 will be introduced into the annular pipe 19. The gas in the annular pipe 19 will be divided into three parts. One part of the gas will enter the extrusion airbag 25 through the exhaust pipe 20. The extrusion airbag 25 expands by the filling of the gas. The circular block 23 is pushed to slide in the installation cavity 22 by the extrusion airbag 25. The positioning rod 24 on the circular block 23 is inserted into the positioning groove 26 of the spare brake disc 2 to ensure that the spare brake disc 2 will not change its position in the replacement groove 3 after the front and back sides are replaced;

[0046] The heat on the brake disc body 1 can be absorbed by the heat conduction ring 32. The absorbed heat will be quickly dissipated through the heat dissipation fins 33. At the same time, one part of the gas in the annular pipe 19 enters the air guide pipe 30. The gas in the air guide pipe 30 will be discharged through the exhaust head 31. The discharged gas will blow to the position of the heat dissipation fins 33. The last part of the gas in the annular pipe 19 is introduced into the shaping airbag 35 through the connecting pipe 36. The shaping airbag 35 expands to share the deformation pressure received by the brake disc body 1, effectively reducing the deformation degree of the brake disc body 1.

[0047] In the present invention, both the extrusion airbag 25 and the shaping airbag 35 are made of high-temperature materials. And because the heat dissipation fins 33 are used to accelerate the heat dissipation of the brake disc body 1, the service life of the extrusion airbag 25 and the shaping airbag 35 can be improved. The contact surface between the brake pads in the vehicle and the brake disc body 1 is above the helical gear 13 to ensure that the helical gear 13 will not affect the rotation of the brake disc body 1 and the contact between the brake disc body 1 and the brake pads. When the spare brake disc 2 rotates at an angle, it will not contact the brake pads.

[0048] Although the embodiments of the present invention 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 invention.

Claims

1. A high thermal conductivity vermicular ink brake disc, comprising a brake disc body (1), characterized in that: The brake disc body (1) comprises a mounting ring (101), and a front brake disc (102) and a rear brake disc (103) are respectively fixedly mounted on both ends of the mounting ring (101); A replacement assembly is provided on the mounting ring (101), a plurality of spare brake discs (2) are installed on the replacement assembly, and a replacement groove (3) is provided on both the front brake disc (102) and the rear brake disc (103); A positioning component is disposed inside the front brake disc (102) and the rear brake disc (103), and a cooling component is disposed on the positioning component; The replacement assembly comprises a mounting frame plate (4) and an auxiliary frame plate (5) fixedly mounted between a front brake disc (102) and a rear brake disc (103); a motor (6) is fixedly mounted on the mounting frame plate (4); a drive shaft (7) is fixedly mounted on the output end of the motor (6); a worm (8) is fixedly mounted on the drive shaft (7); a rotating ring (9) is fixedly mounted on the mounting ring (101); worm gears (10) are fixedly mounted on the side end surface of the rotating ring (9); symmetrically arranged helical gear rings (11) are fixedly mounted on the side end surface of the rotating ring (9); a plurality of auxiliary shafts (12) are rotatably mounted inside the front brake disc (102) and the rear brake disc (103); a plurality of helical gears (13) are fixedly mounted on the auxiliary shafts (12); the spare brake disc (2) is fixedly mounted on the auxiliary shaft (12); the helical gears (13) mesh with the helical gear rings (11); and the worm (8) mesh with the worm gear teeth (10); An air pump (16) is fixedly mounted on the auxiliary frame plate (5); an output end of the air pump (16) is fixedly connected to an air outlet pipe (17); an end of the air outlet pipe (17) away from the air pump (16) is fixedly connected to a shunt pipe (18); an end of the shunt pipe (18) away from the air outlet pipe (17) is fixedly connected to an annular pipe (19); an exhaust pipe (20) is fixedly connected to the annular pipe (19); a valve (21) is provided on the exhaust pipe (20); an installation cavity (22) is provided inside the front brake disc (102) and the rear brake disc (103); a sliding cavity (22) is provided inside the installation cavity (22). A circular block (23) is dynamically installed, a positioning rod (24) is fixedly installed at one end of the circular block (23), an extrusion airbag (25) is fixedly installed inside the installation cavity (22) and on one side of the circular block (23), a positioning groove (26) is opened on the spare brake disc (2), one end of the exhaust pipe (20) away from the annular tube (19) extends to the inside of the installation cavity (22) and is fixedly connected to the extrusion airbag (25), and one end of the positioning rod (24) away from the circular block (23) extends to the inside of the replacement groove (3) and is inserted into the positioning groove (26) of the spare brake disc (2).

2. The high thermal conductivity compacted ink brake disc according to claim 1, characterized in that: The front brake disc (102) and the rear brake disc (103) are each provided with an auxiliary groove (14) for use with the auxiliary shaft (12); the front brake disc (102) and the rear brake disc (103) are each provided with a driving groove (15) for use with the bevel gear (13); the spare brake disc (2) is located inside the replacement groove (3); the mounting frame plate (4) and the auxiliary frame plate (5) are symmetrically arranged; and the end of the driving shaft (7) away from the mounting frame plate (4) is rotatably connected to the auxiliary frame plate (5).

3. The high thermal conductivity compacted ink brake disc according to claim 1, characterized in that: A spring (27) is fixedly connected to the side end surface of the circular block (23); one end of the spring (27) away from the circular block (23) is fixedly connected to the inside of the installation cavity (22); the position of the spring (27) is outside the positioning rod (24); a limiting groove (28) is provided inside the installation cavity (22); a limiting block (29) is fixedly installed on the circular block (23); and the limiting block (29) is slidably connected to the limiting groove (28).

4. The high thermal conductivity compacted ink brake disc according to claim 1, characterized in that: The annular tube (19) is fixedly connected to an air guide tube (30), and a plurality of exhaust heads (31) are fixedly arranged on the air guide tube (30). A heat conduction ring (32) is fixedly installed on the inner side surfaces of the front brake disc (102) and the rear brake disc (103), and a heat dissipation fin (33) is fixedly installed on the heat conduction ring (32). The number of the air guide tube (30) and the heat dissipation fin (33) is plural and all are arranged in an annular manner. The exhaust heads (31) and the heat dissipation fins (33) on the air guide tube (30) are in the same direction.

5. The high thermal conductivity compacted ink brake disc according to claim 1, characterized in that: A positioning cavity (34) is provided inside the front brake disc (102) and the rear brake disc (103), a shaping airbag (35) is provided inside the positioning cavity (34), a connecting pipe (36) is fixedly connected to the shaping airbag (35), and one end of the connecting pipe (36) away from the shaping airbag (35) is fixedly connected to the annular tube (19).

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