CN109083953B - Heat dissipation method for vehicle brake disc - Google Patents
Heat dissipation method for vehicle brake disc Download PDFInfo
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- CN109083953B CN109083953B CN201811116904.5A CN201811116904A CN109083953B CN 109083953 B CN109083953 B CN 109083953B CN 201811116904 A CN201811116904 A CN 201811116904A CN 109083953 B CN109083953 B CN 109083953B
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000007921 spray Substances 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 235000012046 side dish Nutrition 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/228—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to the technical field of brake disc heat dissipation, and particularly relates to a heat dissipation method for a vehicle brake disc, which comprises the following steps: s1, a water tank and a micro water pump are installed on a chassis of the vehicle, a water inlet of the micro water pump is connected with the water tank, a water outlet of the micro water pump is connected with a spray head, and a water outlet of the spray head is aligned to a brake disc; and S2, on the basis of S1, a non-contact temperature sensor is further installed on the chassis of the vehicle, the non-contact temperature sensor detects the temperature of the brake disc and feeds back the detection result to the controller, and when the detected temperature exceeds a preset value, the controller controls the micro water pump in S1 to pump water in the water tank out and spray the water on the brake disc through the spray head so as to cool the brake disc. The method realizes the cooling of the vehicle brake disc by adopting the principle of physical cooling, and has the characteristics of safe and reliable cooling, energy conservation and environmental protection.
Description
Technical Field
The invention belongs to the technical field of brake disc heat dissipation, and particularly relates to a heat dissipation method for a vehicle brake disc.
Background
The brake disc is simply a round disc, when a vehicle runs, the brake disc also rotates, the brake calipers clamp the brake disc to generate braking force, when the vehicle treads a brake, the brake disc is clamped by the brake calipers to play a role in reducing speed or stopping, the brake disc is good in braking effect and easier to maintain than a drum brake, the brake discs are various in types, and the brake disc is characterized in that the wall is thin, the disc and the center are formed by sand cores, the thickness of the disc and the size of a gap between the two discs are different, and the thickness and the height of a disc hub are also different. The brake disc with the single-layer disc is simple in structure. The castings weigh up to 6-18 kg and most motor vehicles are fitted with disc brakes (also known as brake discs) which are usually made of metal, carbon or ceramic material and are tightly connected to the hub, and when braking, a pair of brake pads on either side of the disc element press against the disc element, exerting pressure on the disc element, creating friction to slow the vehicle, a challenge in disc brake design is the need to absorb and dissipate large amounts of heat which is transferred from the kinetic energy of the vehicle via the braking friction.
At present, an automobile can generate braking heat in the braking process, the braking heat is absorbed by materials between two friction surfaces of each brake disc, and when an existing brake disc-shaped component rotates, heat dissipation mainly depends on the convection heat transfer of the two friction surfaces, so that the ventilation of a common brake disc is poor, the convection heat transfer of the brake disc is affected, the heat dissipation function of the brake disc is further reduced, the service life of the brake disc is prolonged, and the damage is caused to the safe running of the automobile.
Disclosure of Invention
The invention aims to solve the problems and provide a heat dissipation method for a vehicle brake disc.
The invention achieves the aim through the following technical scheme, and a heat dissipation method for a vehicle brake disc comprises the following steps:
s1, a water tank and a micro water pump are installed on a chassis of the vehicle, a water inlet of the micro water pump is connected with the water tank, a water outlet of the micro water pump is connected with a spray head, and a water outlet of the spray head is aligned to a brake disc;
s2, on the basis of S1, a non-contact temperature sensor is further mounted on a chassis of the vehicle, the non-contact temperature sensor detects the temperature of a brake disc and feeds back the detection result to a controller, and when the detected temperature exceeds a preset value, the controller controls a micro water pump in S1 to pump water in a water tank out and spray the water on the brake disc through a spray head to cool the brake disc;
the brake disc adopted in the method comprises a hub main body, an axle, the brake disc main body, an installation and disassembly device at one end of the hub main body, a brake resetting device and a fastening and heat dissipation device at one side of the brake disc main body;
the mounting and dismounting device comprises a screw rod, a threaded hole, a fixed disc, a connecting block, a groove, a sleeve, a fixed plate and a fixed nut, wherein the two sides of one end of the hub main body are respectively fixedly connected with the connecting block and the fixed plate;
the brake resetting device comprises a hydraulic cylinder, a piston, a first brake pad, a connecting frame, a sliding groove, a connecting rod, a first limiting pipe, an electric push rod, a connecting pipe, a second limiting pipe, a piston cylinder, a positive plate, a negative plate, a piston block, a heat conducting rod and a second brake pad, wherein the connecting frame is fixedly connected inside the side walls of the two ends of the hub main body, one end of the connecting frame is fixedly connected with the hydraulic cylinder, the piston is arranged inside the hydraulic cylinder, one end of the piston is fixedly connected with the first brake pad, the electric push rod is installed at the top of one end of the connecting frame, the output end of the electric push rod penetrates through the first limiting pipe and is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected with the second brake pad, the sliding groove is formed inside the connecting frame, the other end of the second brake pad is fixedly connected with the piston cylinder and the heat, one end of the piston block is fixedly connected with the negative plate, one end inside the piston cylinder is fixedly connected with the positive plate, the other end of the piston cylinder is fixedly connected with one end of the connecting pipe, the other end of the connecting pipe is fixedly connected with one end of the electric push rod, the piston cylinder is sleeved inside the second limiting pipe, and the second limiting pipe is fixedly connected to the bottom end of the connecting frame;
the fastening heat dissipation device comprises a brake disc main body, a right disc, a gap, a heat conduction plate, a heat conduction column, a limiting groove, a left disc, a locking bolt, an arc-shaped plate and a fixing hole, an axle is sleeved in the brake disc main body, a plurality of fixing holes are formed in the side walls of the two ends of the brake disc main body, the fixing hole is internally in threaded connection with the side wall of the locking bolt, the locking bolt is fixedly connected with the arc-shaped plate at one end, the left disc and the right disc are fixedly connected with the side wall of the brake disc main body, the gap is formed between the left disc and the right disc, the limiting groove is formed in the left disc and the right disc, the heat conduction column is sleeved in the limiting groove, and one end of the heat conduction column is.
Specifically, one end of the positive plate and one end of the negative plate are respectively electrically connected with the positive electrode and the negative electrode of the electric push rod through cables, and the cables penetrate through the connecting pipe.
Specifically, the screw rod passes through screw hole difference threaded connection fixed disk, connecting block and fixed plate, and screw rod threaded connection's fixation nut is located the one end outside of fixed disk.
Specifically, the piston block freely slides left and right along the cylinder wall of the piston cylinder and is tightly attached to the cylinder wall, one end of the piston cylinder is sealed, and one side in the piston cylinder is filled with a gas medium capable of expanding under heating.
Specifically, the heat conduction rod is alumina heat conduction rubber, one end of the heat conduction rod is fixed in the second brake pad, and the other end of the heat conduction rod extends to the inside of the piston cylinder.
Specifically, one end of the axle penetrates through the sleeve, and one end of the axle is sleeved with the groove.
Specifically, the heat-conducting plate is arc-shaped, and the two ends of the heat-conducting plate are sleeved in the limiting grooves in the left plate and the right plate through the heat-conducting columns.
The invention has the beneficial effects that:
(1) the method realizes the cooling of the vehicle brake disc by adopting the principle of physical cooling, and has the characteristics of safe and reliable cooling, energy conservation and environmental protection.
(2) The brake disc adopted in the method is characterized in that one end of an axle is sleeved with a groove in a connecting block by the way that the axle penetrates through the interior of a sleeve, a screw is in threaded connection with threaded holes in a hub main body, a fixing plate, the connecting block and a fixing disc, a fixing nut is in threaded connection with one end of the screw, the axle is sleeved with the brake disc main body, a locking bolt on the side wall of the brake disc main body is in threaded connection with a fixing hole, so that one side of an arc-shaped plate is tightly attached to the outer side wall of the axle, the position of the axle and the brake disc main body is fixed, the brake disc main body and the axle are convenient to mount and dismount, the brake disc main body is convenient and rapid to maintain and replace, a large amount of heat is generated by the brake disc main body under the friction action of a first brake block and a second brake block, the heat is transferred into a heat, the heat dissipation area and the space of the heat conduction plate are increased, and timely heat dissipation is facilitated, so that the heat dissipation of the brake disc is accelerated.
(3) The brake disc adopted in the method controls the work of a hydraulic cylinder through an external switch, the hydraulic cylinder drives a first brake pad to move at the bottom of a connecting frame through a piston, so that the first brake pad is tightly attached to the side wall of one end of a left disc, a second brake pad is tightly attached to the side wall of a right disc under the support of an electric push rod, so that the rotating speed of a brake disc main body is reduced, after the brake is finished, after the first brake pad is separated from the left disc under the action of the hydraulic cylinder and the piston, a large amount of heat generated by the friction of the second brake pad is transferred into a piston cylinder through a heat conducting rod, a gas medium which can be heated and expanded in the piston cylinder is heated, so that a piston block moves rightwards in the piston cylinder, the piston block drives a negative plate to be in contact with a positive plate in the piston cylinder, so that a circuit of the electric push rod is communicated, the electric push rod works, so that the, the first limiting pipe limits the moving distance of the electric push rod, so that the second brake pad is thoroughly separated from the right disc, the gas medium in the piston cylinder is cooled, the piston block drives the positive plate to be separated from the negative plate, the piston block restores to the original position, the electric push rod drives the second brake pad to be reset, the second brake pad is completely separated from the brake disc main body, the second brake pad is prevented from slightly rubbing the disc-shaped part, and oil consumption is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a brake disc used in the method;
FIG. 2 is a schematic illustration of the positions of the brake disc main body, the locking bolt, the arc plate and the fixing hole of the present invention;
FIG. 3 is a partial enlarged view of the present invention at A.
In the figure: 1. the brake disc comprises a hub main body, 2, a screw rod, 3, a threaded hole, 4, a fixed disc, 5, a connecting block, 6, a groove, 7, a sleeve, 8, a fixed plate, 9, a fixing nut, 10, an axle, 11, a brake disc main body, 12, a hydraulic cylinder, 13, a piston, 14, a first brake pad, 15, a connecting frame, 16, a sliding groove, 17, a connecting rod, 18, a first limiting pipe, 19, an electric push rod, 20, a connecting pipe, 21, a second limiting pipe, 22, a piston cylinder, 23, a positive plate, 24, a negative plate, 25, a piston block, 26, a heat conducting rod, 27, a right disc, 28, a gap, 29, a heat conducting plate, 30, a heat conducting column, 31, a limiting groove, 32, a left disc, 33, a second brake pad, 34, a locking bolt, 35, an arc-shaped plate, 36 and a.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a method for dissipating heat of a brake disc of a vehicle includes the following steps:
s1, a water tank and a micro water pump are installed on a chassis of the vehicle, a water inlet of the micro water pump is connected with the water tank, a water outlet of the micro water pump is connected with a spray head, and a water outlet of the spray head is aligned to a brake disc;
s2, on the basis of S1, a non-contact temperature sensor is further mounted on a chassis of the vehicle, the non-contact temperature sensor detects the temperature of a brake disc and feeds back the detection result to a controller, and when the detected temperature exceeds a preset value, the controller controls a micro water pump in S1 to pump water in a water tank out and spray the water on the brake disc through a spray head to cool the brake disc;
the brake disc adopted in the method comprises a hub main body 1, an axle 10, a brake disc main body 11, an installation and disassembly device at one end of the hub main body 1, a brake resetting device and a fastening and heat dissipation device at one side of the brake disc main body 11;
the mounting and dismounting device comprises a screw rod 2, a threaded hole 3, a fixed disc 4, a connecting block 5, a groove 6, a sleeve 7, a fixed plate 8 and a fixing nut 9, wherein two sides of one end of a hub main body 1 are respectively fixedly connected with the connecting block 5 and the fixed plate 8, two sides of one ends of the connecting block 5, the fixed plate 8, the hub main body 1 and the fixed disc 4 are respectively provided with the threaded hole 3, the threaded hole 3 is internally threaded with one end of the screw rod 2, the other end of the screw rod 2 is in threaded connection with the fixing nut 9, the center of the connecting block 5 is provided with the groove 6, an axle 10 is sleeved in the groove 6, one end of the axle 10 is sleeved with the center of the fixed disc 4, so that the mounting and dismounting of the;
the brake resetting device comprises a hydraulic cylinder 12, a piston 13, a first brake pad 14, a connecting frame 15, a sliding groove 16, a connecting rod 17, a first limiting pipe 18, an electric push rod 19, a connecting pipe 20, a second limiting pipe 21, a piston cylinder 22, a positive plate 23, a negative plate 24, a piston block 25, a heat conducting rod 26 and a second brake pad 33, wherein the connecting frame 15 is fixedly connected inside the side walls of the two ends of the hub main body 1, one end of the connecting frame 15 is fixedly connected with the hydraulic cylinder 12, the piston 13 is arranged inside the hydraulic cylinder 12, one end of the piston 13 is fixedly connected with the first brake pad 14, the electric push rod 19 is installed at the top of one end of the connecting frame 15, the output end of the electric push rod 19 penetrates through the first limiting pipe 18 and is fixedly connected with one end of the connecting rod 17, the other end of the connecting rod 17 is fixedly connected with the second brake pad 33, the sliding groove 16 is, the other end of the second brake pad 33 is fixedly connected with the piston cylinder 22 and the heat conducting rod 26, the piston block 25 is connected inside the piston cylinder 22 in a sliding mode, one end of the piston block 25 is fixedly connected with the negative pole piece 24, one end of the inside of the piston cylinder 22 is fixedly connected with the positive pole piece 23, the other end of the piston cylinder 22 is fixedly connected with one end of the connecting pipe 20, the other end of the connecting pipe 20 is fixedly connected with one end of the electric push rod 19, the piston cylinder 22 is sleeved inside the second limiting pipe 21, the second limiting pipe 21 is fixedly connected to the bottom end of the connecting frame 15, after the brake pedal is released, the second brake pad 33 is completely separated from contact with the brake disc main body 11, and the second brake pad 33 avoids slight friction with the disc-shaped part, so that the oil consumption is reduced;
the fastening heat dissipation device comprises a brake disc main body 11, a right disc 27, a gap 28, a heat conduction plate 29, a heat conduction column 30, a limiting groove 31, a left disc 32, a locking bolt 34, an arc-shaped plate 35 and fixing holes 36, wherein the inside of the brake disc main body 11 is sleeved with the axle 10, the side walls of the two ends of the brake disc main body 11 are respectively provided with a plurality of fixing holes 36, the fixing holes 36 are in threaded connection with the side walls of the locking bolt 34, one end of the locking bolt 34 is fixedly connected with the arc-shaped plate 35, the side wall of the brake disc main body 11 is fixedly connected with the left disc 32 and the right disc 27, the gap 28 is arranged between the left disc 32 and the right disc 27, the limiting groove 31 is respectively arranged inside the left disc 32 and the right disc 27, the heat conduction column 30 is sleeved in the limiting groove 31, one end of the heat conduction column 30 is fixedly connected with one end of the heat conduction plate 29, so that the heat dissipation between, the ventilation is good, so that the convection heat transfer between the brake disc and the brake pad is accelerated, the heat dissipation function of the brake disc is improved, the surface temperature of the brake pad is reduced in time, the service life of the brake pad is prolonged, and the friction coefficient is improved.
One end of the positive plate 23 and one end of the negative plate 24 are respectively and electrically connected with the positive and negative electrodes of the electric push rod 19 through cables, and the cables penetrate through the inside of the connecting pipe 20, so that the working state of the electric push rod 19 is conveniently controlled, and the second brake pad 33 is completely separated from the right disc 27; the screw rod 2 is respectively in threaded connection with the fixed disc 4, the connecting block 5 and the fixed plate 8 through the threaded hole 3, and the fixed nut 9 in threaded connection with the screw rod 2 is positioned on the outer side of one end of the fixed disc 4, so that the screw rod is convenient to mount and dismount, and is more convenient and quicker to maintain and replace; the piston block 25 freely slides left and right along the cylinder wall of the piston cylinder 22 and is tightly attached to the cylinder wall, one end of the piston cylinder 22 is sealed, one side in the piston cylinder 22 is filled with a gas medium capable of expanding by heat, and the heat generated by the second brake pad 33 is utilized to heat the gas medium capable of expanding by heat in the piston cylinder 22, so that the piston block 25 and the positive plate 24 are pushed to move, and the action of the electric push rod 19 is controlled; the heat conducting rod 26 is made of alumina heat conducting rubber, one end of the heat conducting rod 26 is fixed inside the second brake pad 33, and the other end of the heat conducting rod 26 extends into the piston cylinder 22, so that heat can be conveniently transferred; one end of the axle 10 penetrates through the sleeve 7, and one end of the axle 10 is sleeved with the groove 6, so that the structure is more reasonable, and the axle 10 is convenient to fix and connect; the heat conducting plate 29 is arc-shaped, and two ends of the heat conducting plate 29 are sleeved in the limiting grooves 31 in the left disc 32 and the right disc 27 through the heat conducting columns 30, so that the heat radiating area is increased conveniently, and the heat radiating capacity of the brake disc is improved.
When the device is used, firstly, an electric component in the device is externally connected with a control switch and a power supply, then an axle 10 penetrates through the inside of a sleeve 7 to enable one end of the axle 10 to be sleeved with a groove 6 in a connecting block 5, a screw rod 2 is in threaded connection with a hub main body 1, a fixing plate 8, the connecting block 5 and a threaded hole 3 in a fixed disc 4, a fixing nut 9 is in threaded connection with one end of the screw rod 2, the axle 10 is sleeved with a brake disc main body 11, a locking bolt 34 on the side wall of the brake disc main body 11 is in threaded connection with a fixing hole 36, so that one side of an arc-shaped plate 35 is tightly attached to the outer side wall of the axle 10, then the positions of the axle 10 and the brake disc main body 11 are fixed, the hydraulic cylinder 12 is controlled to work through the external switch, the hydraulic cylinder 12 drives a first brake pad 14 to move at the bottom of a connecting frame 15 through a piston, the second brake pad 33 is tightly attached to the side wall of the right disc 27 under the support of the electric push rod 19, so as to slow down the rotation speed of the brake disc main body 11, after braking is finished, when the first brake pad 14 is separated from the left disc 32 under the action of the hydraulic cylinder 12 and the piston 13, a large amount of heat generated by friction of the second brake pad 33 is transferred into the piston cylinder 22 through the heat conduction rod 26, the gas medium which can be heated and expanded in the piston cylinder 22 is heated, so that the piston block 25 moves rightwards in the piston cylinder 22, the piston block 25 drives the negative pole piece 24 to be in contact with the positive pole piece 23 in the piston cylinder 22, so as to connect the circuit of the electric push rod 19, the electric push rod 19 works, so as to drive the second brake pad 33 to be in sliding connection in the sliding groove 16 through the connecting rod 17, the first limit pipe 18 limits the moving distance of the electric push rod 19, so that the second brake pad 33 is separated from the right disc 27, the gas medium in, thereby make the piston piece 25 drive positive plate 23 and break away from with negative pole piece 24, piston piece 25 restores to the original position, electric putter 19 drives second brake block 33 and resets, brake disc main part 11 produces a large amount of heats under the friction of first brake block 14 and second brake block 33, the heat transmits to heat-conducting plate 29 in through heat conduction post 30 in spacing groove 31 and the spacing groove 31, through the space 28 between left side dish 32 and the right side dish 27, increase heat-radiating area and the space of heat-conducting plate 29, be convenient for timely heat dissipation, thereby accelerate the heat dissipation of brake disc.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A heat dissipation method for a vehicle brake disc is characterized by comprising the following steps:
s1, a water tank and a micro water pump are installed on a chassis of the vehicle, a water inlet of the micro water pump is connected with the water tank, a water outlet of the micro water pump is connected with a spray head, and a water outlet of the spray head is aligned to a brake disc;
s2, on the basis of S1, a non-contact temperature sensor is further mounted on a chassis of the vehicle, the non-contact temperature sensor detects the temperature of a brake disc and feeds back the detection result to a controller, and when the detected temperature exceeds a preset value, the controller controls a micro water pump in S1 to pump water in a water tank out and spray the water on the brake disc through a spray head to cool the brake disc;
the brake disc adopted in the method comprises a hub main body (1), an axle (10), a brake disc main body (11), an installation and disassembly device at one end of the hub main body (1), a brake resetting device and a fastening and heat dissipation device at one side of the brake disc main body (11); the mounting and dismounting device comprises a screw rod (2), a threaded hole (3), a fixed disc (4), a connecting block (5), a groove (6), a sleeve (7), a fixed plate (8) and a fixing nut (9), wherein two sides of one end of a hub main body (1) are respectively and fixedly connected with the connecting block (5) and the fixed plate (8), the threaded hole (3) is formed in each of two sides of one end of the connecting block (5), the fixed plate (8), the hub main body (1) and the fixed disc (4), one end of the screw hole (3) is connected with one end of the screw rod (2) in a threaded mode, the other end of the screw rod (2) is connected with the fixing nut (9) in a threaded mode, the groove (6) is formed in the center of the connecting block (5), an axle (10) is sleeved in the groove; the brake resetting device comprises a hydraulic cylinder (12), a piston (13), a first brake pad (14), a connecting frame (15), a sliding groove (16), a connecting rod (17), a first limiting pipe (18), an electric push rod (19), a connecting pipe (20), a second limiting pipe (21), a piston cylinder (22), a positive plate (23), a negative plate (24), a piston block (25), a heat conducting rod (26) and a second brake pad (33), wherein the connecting frame (15) is fixedly connected inside the side walls of the two ends of the hub main body (1), one end of the connecting frame (15) is fixedly connected with the hydraulic cylinder (12), the piston (13) is arranged inside the hydraulic cylinder (12), one end of the piston (13) is fixedly connected with the first brake pad (14), the electric push rod (19) is installed at the top of one end of the connecting frame (15), and the output end of the electric push rod (19) penetrates through the first limiting pipe (18) and is fixedly connected with one end of the connecting rod (17, the other end of the connecting rod (17) is fixedly connected with a second brake pad (33), a sliding groove (16) is formed in the connecting frame (15), the other end of the second brake pad (33) is fixedly connected with a piston cylinder (22) and a heat conducting rod (26), the piston block (25) is slidably connected in the piston cylinder (22), one end of the piston block (25) is fixedly connected with a negative plate (24), one end of the piston cylinder (22) is fixedly connected with a positive plate (23), the other end of the piston cylinder (22) is fixedly connected with one end of a connecting pipe (20), the other end of the connecting pipe (20) is fixedly connected with one end of an electric push rod (19), the piston cylinder (22) is sleeved in a second limiting pipe (21), and the second limiting pipe (21) is fixedly connected to the bottom end of the connecting frame (15); the fastening heat dissipation device comprises a brake disc main body (11), a right disc (27), a gap (28), a heat conduction plate (29), a heat conduction column (30), a limiting groove (31), a left disc (32), a locking bolt (34), an arc-shaped plate (35) and fixing holes (36), wherein an axle (10) is sleeved in the brake disc main body (11), a plurality of fixing holes (36) are formed in the side walls of the two ends of the brake disc main body (11), the fixing holes (36) are connected with the side walls of the locking bolt (34) in an internal thread mode, one end of the locking bolt (34) is fixedly connected with the arc-shaped plate (35), the side walls of the brake disc main body (11) are fixedly connected with the left disc (32) and the right disc (27), the gap (28) is formed between the left disc (32) and the right disc (27), the limiting groove (31) is formed in each of the left disc (32) and the right disc (27), and the heat conduction column (30) is sleeved, one end of the heat conducting column (30) is fixedly connected with one end of the heat conducting plate (29).
2. The method for dissipating heat of the brake disc of the vehicle according to claim 1, wherein: one end of the positive plate (23) and one end of the negative plate (24) are respectively electrically connected with the positive electrode and the negative electrode of the electric push rod (19) through cables, and the cables penetrate through the inside of the connecting pipe (20).
3. The method for dissipating heat of the brake disc of the vehicle according to claim 1, wherein: screw rod (2) are threaded connection fixed disk (4), connecting block (5) and fixed plate (8) respectively through screw hole (3), and screw rod (2) threaded connection's fixation nut (9) are located the one end outside of fixed disk (4).
4. The method for dissipating heat of the brake disc of the vehicle according to claim 1, wherein: the piston block (25) freely slides left and right along the cylinder wall of the piston cylinder (22) and is tightly attached to the cylinder wall, one end of the piston cylinder (22) is sealed, and one side in the piston cylinder (22) is filled with a gas medium capable of expanding under heat.
5. The method for dissipating heat of the brake disc of the vehicle according to claim 1, wherein: the heat conducting rod (26) is made of aluminum oxide heat conducting rubber, one end of the heat conducting rod (26) is fixed inside the second brake pad (33), and the other end of the heat conducting rod (26) extends to the inside of the piston cylinder (22).
6. The method for dissipating heat of the brake disc of the vehicle according to claim 1, wherein: one end of the axle (10) penetrates through the sleeve (7), and one end of the axle (10) is sleeved with the groove (6).
7. The method for dissipating heat of the brake disc of the vehicle according to claim 1, wherein: the heat conducting plate (29) is arc-shaped, and two ends of the heat conducting plate (29) are sleeved in the limiting grooves (31) in the left disc (32) and the right disc (27) through heat conducting columns (30).
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| CN201811116904.5A CN109083953B (en) | 2018-09-25 | 2018-09-25 | Heat dissipation method for vehicle brake disc |
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| CN201811116904.5A CN109083953B (en) | 2018-09-25 | 2018-09-25 | Heat dissipation method for vehicle brake disc |
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| CN111288095A (en) * | 2020-03-03 | 2020-06-16 | 涡阳县安元汽车配件有限公司 | A rust-proof brake |
| CN111634440B (en) * | 2020-04-21 | 2023-09-26 | 江西冠一通用飞机有限公司 | General airplane brake cooling device |
| CN112776768B (en) * | 2021-02-23 | 2022-04-29 | 常熟理工学院 | An automatic braking device for automobile brake disc overheating |
| CN113623341B (en) * | 2021-09-26 | 2023-10-31 | 浙江华际制动系统有限公司 | Automobile brake pad structure |
| CN113915268B (en) * | 2021-11-08 | 2024-04-30 | 龙口市江达汽车配件有限公司 | New energy disc brake disc and application method thereof |
| CN114810868B (en) * | 2022-01-21 | 2024-04-12 | 宝鸡鑫龙余管营汽车零部件有限公司 | New energy automobile braking pincers |
| CN115013458A (en) * | 2022-08-05 | 2022-09-06 | 江苏三志制动器有限公司 | Automobile brake capable of automatically cooling |
| CN116480704B (en) * | 2023-04-24 | 2025-10-21 | 河北福莱卡航空科技有限公司 | A wheel hub integrated hydraulic brake device |
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| JP2011102105A (en) * | 2009-11-12 | 2011-05-26 | Toyota Motor Corp | Braking device for vehicle |
| JP5447003B2 (en) * | 2010-03-02 | 2014-03-19 | 新日鐵住金株式会社 | Eddy current reducer with power regeneration function |
| CN207274650U (en) * | 2017-09-11 | 2018-04-27 | 三河市乐仙环保科技有限公司 | A kind of automotive hub with brake disc |
| CN108443373A (en) * | 2018-03-28 | 2018-08-24 | 广德盛源电器有限公司 | A kind of brake cooling device |
| CN108407659A (en) * | 2018-04-29 | 2018-08-17 | 成都西华新源科技有限公司 | A kind of automobile cooling recirculation system |
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