CN117108657A - Brake pad heat sink - Google Patents
Brake pad heat sink Download PDFInfo
- Publication number
- CN117108657A CN117108657A CN202311378013.8A CN202311378013A CN117108657A CN 117108657 A CN117108657 A CN 117108657A CN 202311378013 A CN202311378013 A CN 202311378013A CN 117108657 A CN117108657 A CN 117108657A
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- China
- Prior art keywords
- brake pad
- calipers
- cooling liquid
- caliper
- heat dissipation
- Prior art date
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- 239000000110 cooling liquid Substances 0.000 claims abstract description 86
- 230000017525 heat dissipation Effects 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 23
- 235000014676 Phragmites communis Nutrition 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 22
- 239000002826 coolant Substances 0.000 description 21
- 230000009471 action Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F16D65/14—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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
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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
- F16D65/853—Features relating to cooling for disc brakes with closed cooling system
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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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D69/0408—Attachment of linings specially adapted for plane linings
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a brake pad cooling device, which belongs to the technical field of brake pads and comprises a first caliper, a second caliper and brake pads respectively arranged on the first caliper and the second caliper; the first calipers and the second calipers are respectively provided with a hydraulic cylinder and a hydraulic rod, the hydraulic rods are detachably connected with the brake pads, the hydraulic cylinders are connected with oil inlet pipelines, the first calipers and the second calipers are respectively provided with a cooling assembly, and the first calipers are respectively provided with a fixing frame; the cooling assembly includes: the cooling liquid bin is arranged on the fixing frame and internally stores cooling liquid; the radiating grids are respectively arranged on the first calipers and the second calipers; one end of the cooling liquid pipe is connected to the outlet of the cooling liquid bin, contacts with the brake pad through the heat dissipation grating and the hydraulic rod, passes through the other heat dissipation grating, and the other end of the cooling liquid pipe is connected to the inlet of the cooling liquid bin. According to the invention, the cooling liquid can circularly act on the brake pad through the pipeline to cool the brake pad, the brake pad is convenient to replace, and the safety and stability of braking are improved.
Description
Technical Field
The invention relates to the technical field of brake pads, in particular to a brake pad cooling device.
Background
The brake is a device having a function of decelerating, stopping, or maintaining a stopped state of a moving member, and is a mechanical component for stopping or decelerating a moving member in a machine, and is commonly called a brake. The general principle of operation of a brake system is to use the mutual friction between a non-rotating element associated with the body or frame and a rotating element associated with the wheel or drive shaft to prevent the wheel from turning or tendency to turn. The brake block is also called a brake block, and is generally composed of a steel plate, an adhesive heat-insulating layer and a friction block, wherein the friction block is composed of friction materials and adhesives and is extruded on a brake disc or a brake drum to generate friction during braking, so that the aim of decelerating and braking a vehicle is fulfilled.
Patent application publication number CN110081105A discloses a car brake block heat sink, agrees with the connection piece and is located directly over the brake block body and with brake connection piece body fixed connection, water guide joint and drainage joint set up respectively in the top both sides that agrees with the connection piece, the flow chamber is seted up on the brake block body, two ports in flow chamber communicate each other with water guide joint and drainage joint respectively, go up mounting plate fixed mounting and agrees with the inboard top of connection piece, the mounting plate is located under the mounting plate down, two mounting grooves are seted up respectively at the side that last mounting plate and mounting plate are relative down. This car brake block heat sink for coolant liquid is led out through the intercommunicating pore, thereby makes the coolant liquid better carry out cooling to the brake block body, however, this heat sink's cooling structure and brake block are as an organic whole, inconvenient change the brake block alone, and the whole cost of changing is too high, and the cooling oil acts on the brake block surface directly suddenly, can cause the moment braking force to produce the change, unstable braking force, can cause equipment shake scheduling problem.
Disclosure of Invention
In view of the above, the invention provides a brake pad cooling device, which solves the technical problems that in the prior art, cooling liquid suddenly and directly acts on the surface of a brake pad, the braking stability is affected, and the brake pad is inconvenient to replace.
In order to solve the technical problems, the invention provides a brake pad cooling device, which comprises a first caliper, a second caliper and brake pads respectively arranged on the first caliper and the second caliper; the first calipers and the second calipers are respectively provided with a hydraulic cylinder and a hydraulic rod, the hydraulic rods are detachably connected with the brake pads, the hydraulic cylinders are connected with oil inlet pipelines, the first calipers and the second calipers are respectively provided with a cooling assembly, and the first calipers are respectively provided with a fixing frame; the cooling assembly includes:
the cooling liquid bin is arranged on the fixing frame and internally stores cooling liquid;
the radiating grids are respectively arranged on the first calipers and the second calipers;
and one end of the cooling liquid pipe is connected with an outlet of the cooling liquid bin, is contacted with the brake pad through the heat dissipation grating and the hydraulic rod, passes through the other heat dissipation grating, and the other end of the cooling liquid pipe is connected with an inlet of the cooling liquid bin.
By adopting the technical scheme, the cooling liquid in the cooling liquid bin passes through the cooling liquid pipe, enters into the hydraulic rod, clings to the brake pad, cools down the brake pad, then returns to the cooling liquid bin, at this in-process, through the heat dissipation grid, makes the cooling liquid dispel the heat, and this cooling liquid pipe flow path is the circulation loop, can effectively cool down the brake pad, and the cooling liquid temperature is stable, avoids the cooling liquid to contact the brake pad suddenly, causes the braking unstable. The hydraulic rod is detachably connected with the brake pad, and the brake pad can be replaced independently, so that the safety of braking is improved.
Specifically, the hydraulic cylinder is clamped at the upper parts of the first calipers and the second calipers, threads are arranged on the hydraulic cylinder, and the hydraulic cylinder is fixed on the first calipers and the second calipers through nuts.
According to the technical scheme, the hydraulic cylinder can be disassembled through the nuts, the hydraulic cylinder and the brake pad are respectively arranged on two sides of the first caliper and the second caliper, the hydraulic cylinder is pressurized through the oil inlet pipeline, and the hydraulic rod and the brake pad are pushed to move, so that braking is performed. When the brake pad is replaced, the hydraulic cylinder and the brake pad are detached from the first caliper or the second caliper through nuts, and then the brake pad is taken down from the hydraulic rod.
Preferably, a groove is formed in one side of the brake pad, the hydraulic rod is clamped in the groove, a fixing piece is arranged at the edge of the groove, a clamping groove is formed in the hydraulic rod, and the fixing piece is clamped in the clamping groove. The hydraulic rod is clamped in the groove of the brake block and is fixed through the fixing piece.
Specifically, a reed is arranged between the fixing piece and the brake block, one side of the reed is provided with a limiting rod, and the hydraulic rod is clamped in the groove and then is clamped into the clamping groove for fixing through the fixing piece.
Through the technical scheme, after the hydraulic rod is clamped in the groove, the fixing piece is pulled to be clamped in the clamping groove, and the fixing piece is limited through the limiting rod. Pulling the stationary blade, can blocking into the draw-in groove, realizing the connection of brake block and hydraulic stem, during the dismantlement, pulling the stationary blade, taking off the stationary blade from the draw-in groove, realizing the separation of brake block and hydraulic stem, the stationary blade resets under the effect of reed.
Preferably, an output port is arranged on one side of the hydraulic rod, which is close to the brake pad, an input port is arranged in the groove, a connecting piece is connected between the output port and the input port, the connecting piece is connected with a cooling liquid pipe at the output port and the input port, and the cooling liquid pipe is in contact with the brake pad.
The coolant pipe enters from the upper part of the hydraulic rod, is output from the output port of the hydraulic rod, passes through the connecting piece, and is in surrounding contact with the brake pad to cool the brake pad.
The hydraulic rod is clamped in the groove, the ejector rod contacts the sealing piece, and the first spring is compressed, so that the output port is opened; and taking down the brake block, separating the ejector rod from the sealing plate, and sealing the output port by the sealing plate under the action of the first spring.
Through above-mentioned technical scheme, the one end of spring one is connected with the delivery outlet, and the sealing fin is connected to the other end, and the size of sealing fin is greater than the export of delivery outlet, and spring one resumes elasticity, can seal the delivery outlet, blocks the coolant liquid in delivery outlet and the coolant liquid pipe and flows out, and in the cooling process, the ejector pin withstands the sealing fin, makes the delivery outlet open, and the coolant liquid can flow into in the connecting piece, cools down the brake block.
Preferably, one brake block is connected with two hydraulic rods, two heat dissipation grids are arranged on the first caliper and the second caliper, the two heat dissipation grids on the first caliper are a first heat dissipation grid and a second heat dissipation grid, and the two heat dissipation grids on the second caliper are a third heat dissipation grid and a fourth heat dissipation grid.
The two hydraulic rods are connected to the brake pad, the two hydraulic cylinders and the two oil inlet pipelines are also connected, the braking effect can be enhanced, and meanwhile, the cooling liquid pipes are also designed on the hydraulic rods, so that the cooling effect on the brake pad can be enhanced. Two heat dissipation grids are designed on the first calipers and the second calipers, the cooling liquid pipes are distributed on the heat dissipation grids, the number of the heat dissipation grids corresponds to the number of the hydraulic rods, and the heat dissipation effect of the cooling liquid pipes is enhanced.
The cooling liquid pipe is provided with a circulating pump, so that cooling liquid in the cooling liquid pipe can be controlled.
And a rotating shaft is connected between the first calipers and the second calipers, the rotating shaft is of a hollow structure, and the cooling liquid pipe penetrates through the rotating shaft.
Through the technical scheme, after the cooling liquid pipe is output from the outlet of the cooling liquid bin, the cooling liquid pipe sequentially passes through the rotating shaft and the third heat dissipation grating, reaches the two hydraulic rods on the second calipers, contacts with the brake block on the second calipers, passes through the fourth heat dissipation grating, then passes through the rotating shaft again, passes through the second heat dissipation grating, reaches the two hydraulic rods on the first calipers, contacts with the brake block on the first calipers, passes through the first heat dissipation grating, and returns to the inlet of the cooling liquid bin. And a rotating shaft is arranged between the first calipers and the second calipers, the first calipers and the second calipers can be rotated, and the rotating shaft is of a hollow structure, so that a cooling liquid pipe can circulate between the first calipers and the second calipers conveniently.
The fixing frame is provided with a locating pin, the locating pin is provided with a second spring, one end of the second spring is connected to the first caliper, the other end of the second spring is connected to the locating pin, the second caliper is provided with an arc-shaped groove, and the locating pin penetrates through the first caliper and is clamped in the arc-shaped groove.
The caliper I and the caliper II are fixed through the locating pin, when the caliper I and the caliper II need to rotate, the locating pin is pulled out, the caliper I is rotated, after the caliper I and the caliper II rotate, the locating pin is clamped at the other end of the arc-shaped groove under the action of the elastic force of the spring II, and the locating is realized.
The technical scheme of the invention has the following beneficial effects:
1. according to the invention, the cooling liquid in the cooling liquid bin enters the hydraulic rod through the cooling liquid pipe, is tightly attached to the brake pad, cools the brake pad, and then returns to the cooling liquid bin, in the process, the cooling liquid is cooled through the cooling grid, the cooling liquid pipe flows through a circulation loop, the brake pad can be effectively cooled, the cooling liquid is stable in temperature, and unstable braking caused by sudden contact of the cooling liquid with the brake pad is avoided.
2. According to the invention, the hydraulic rod and the brake pad are detachably connected, the brake pad is provided with the fixing piece and the reed, the hydraulic rod is fixed through the fixing piece after being connected with the brake pad, the brake pad can be independently replaced, the replacement cost is low, and the safety of the brake is improved.
3. The rotary shaft is connected between the first calipers and the second calipers, and the first calipers can be rotated by positioning pins and the arc-shaped grooves, so that the brake pad is convenient to detach.
Drawings
FIG. 1 is a schematic diagram of a brake pad cooling apparatus according to the present invention;
FIG. 2 is a schematic view of the construction of the coolant tube and oil feed line of the present invention;
FIG. 3 is a side view of the hydraulic stem of the present invention;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
FIG. 5 is a schematic structural view of a brake pad according to the present invention;
FIG. 6 is a schematic illustration of the connection between a brake pad and a hydraulic lever in accordance with the present invention;
FIG. 7 is a schematic illustration of the connection between the second caliper and the brake pad of the present invention;
FIG. 8 is a schematic diagram of a brake pad cooling device with an alarm assembly according to the present invention;
FIG. 9 is a schematic diagram of the structure of the alarm unit of the present invention;
FIG. 10 is a schematic view of the structure of the return lever and the metal spring plate of the present invention;
FIG. 11 is a schematic diagram of a brake pad cooling apparatus with return line according to the present invention.
In the figure: 1. a caliper II; 2. a caliper I; 3. a nut; 4. a hydraulic cylinder; 5. a fixing frame; 6. a positioning pin; 7. a cooling liquid bin; 8. a circulation pump; 9. a coolant tube; 10. an oil inlet pipeline; 11. a diverter valve; 12. a brake pad; 13. a second heat radiation grille; 14. a first heat radiation grille; 15. a third heat radiation grille; 16. a heat radiation grille IV; 17. a hydraulic rod; 18. a first spring; 19. a sealing sheet; 20. an output port; 21. a limit rod; 22. a groove; 23. a push rod; 24. a metal conductive sheet; 25. an arc-shaped groove; 26. a second spring; 27. a fixing piece; 28. a rotation shaft; 29. an electromagnetic coil electrode; 30. an alarm unit; 31. a limit shell; 32. a metal motion block; 33. a reset lever; 34. limit teeth; 35. an alarm; 36. a return spring; 37. an electromagnetic coil; 38. an alarm electrode; 39. a metal spring piece; 40. a return valve; 41. a return line; 42. a reed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 11 of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
Examples
The embodiment provides a brake pad cooling device, as shown in fig. 1 and 2, which comprises a first caliper 2, a second caliper 1 and a brake pad 12 respectively arranged on the first caliper 2 and the second caliper 1; the first calipers 2 and the second calipers 1 are respectively provided with a hydraulic cylinder 4 and a hydraulic rod 17, the hydraulic rods 17 are detachably connected with the brake pads 12, the hydraulic cylinders 4 are connected with oil inlet pipelines 10, the first calipers 2 and the second calipers 1 are provided with cooling assemblies, and the first calipers 2 are provided with fixing frames 5; the cooling assembly includes:
a cooling liquid bin 7 which is provided on the fixing frame 5 and stores cooling liquid therein;
the radiating grids are respectively arranged on the first calipers 2 and the second calipers 1;
one end of the cooling liquid pipe 9 is connected to the outlet of the cooling liquid bin 7, contacts with the brake pad 12 through the heat dissipation grating and the hydraulic rod 17, passes through the other heat dissipation grating, and the other end of the cooling liquid pipe is connected to the inlet of the cooling liquid bin 7.
The hydraulic cylinder 4 is connected with the hydraulic rod 17, and pressure is applied to the hydraulic cylinder 4 through the oil inlet pipeline 10 to push the hydraulic rod 17 to move so as to push the brake pad 12 to move for braking. By adopting the technical scheme, the cooling liquid in the cooling liquid bin 7 passes through the cooling liquid pipe 9, enters into the hydraulic rod 17, clings to the brake pad 12, cools down the brake pad 12, then returns to the cooling liquid bin 7, in the process, passes through the heat dissipation grille, and makes the cooling liquid dispel the heat, and the cooling liquid pipe 9 flow path is a circulation loop, can effectively cool down the brake pad 12, and the cooling liquid temperature is stable, avoids the cooling liquid to suddenly contact the brake pad 12, and causes the braking unstable. The hydraulic rod 17 and the brake pad 12 are detachably connected, and the brake pad 12 can be independently replaced, so that the safety and stability of braking are improved.
Specifically, the pneumatic cylinder 4 card is in calliper one 2 and calliper two 1 upper portions, is equipped with the screw thread on the pneumatic cylinder 4, fixes on calliper one 2 and calliper two 1 through nut 3.
The hydraulic cylinder 4 can be disassembled through the nut 3, the hydraulic cylinder 4 and the brake pad 12 are respectively arranged on two sides of the first caliper 2 and the second caliper 1, the hydraulic cylinder 4 is pressurized through the oil inlet pipeline, and the hydraulic rod 17 and the brake pad 12 are pushed to move, so that braking is performed. When the brake pad 12 is replaced, the hydraulic cylinder 4 and the brake pad 12 are detached from the first caliper 2 or the second caliper 1 through the nuts 3, and then the brake pad 12 is detached from the hydraulic rod 17.
As a preferred mode of this embodiment, as shown in fig. 3-6, a groove 22 is formed on one side of the brake pad 12, the hydraulic rod 17 is clamped in the groove 22, a fixing piece 27 is formed on the edge of the groove 22, and a clamping groove is formed on the hydraulic rod 17, and the fixing piece 27 is clamped in the clamping groove. The groove 22 is arranged on the brake pad 12 and is close to one side of the hydraulic rod 17, the hydraulic rod 17 is clamped in the groove 22 of the brake pad 12 and is fixed through the fixing piece 27, and the hydraulic rod 17 and the brake pad 12 are detachably connected.
Specifically, as shown in fig. 5, a reed 42 is disposed between the fixing piece 27 and the brake pad 12, one side of the reed 42 is provided with a limiting rod 21, after the hydraulic rod 17 is clamped in the groove 22, the hydraulic rod is fixed by clamping the fixing piece 27 into the clamping groove, and the fixing piece 27 is pulled to be clamped into the clamping groove and limit the fixing piece 27 by the limiting rod 21.
The fixing piece 27 is pulled, the fixing piece 27 can be clamped into the clamping groove, the connection between the brake pad 12 and the hydraulic rod 17 is realized, and when the brake pad is detached, the fixing piece 27 is pulled, the fixing piece 27 is taken down from the clamping groove, the separation between the brake pad 12 and the hydraulic rod 17 is realized, and the fixing piece 27 is reset under the action of the reed 42. In order to increase the connection firmness between the brake pad 12 and the hydraulic rod 17, the fixing piece 27, the spring piece 42 and the limit lever 21 can be arranged in two, but can be arranged in other numbers.
As a preferred mode of this embodiment, as shown in fig. 2-4, an output port 20 is provided on a side of the hydraulic rod 17 near the brake pad 12, an input port is provided in the groove 22, a connecting piece is connected between the output port 20 and the input port, the connecting piece connects the output port 20 and the coolant tube 9 at the input port, and the coolant tube 9 enters the input port through the connecting piece after being output from the output port 20 and contacts the brake pad 12.
The coolant pipe 9 enters from the upper part of the hydraulic rod 17, is output from an output port 20 of the hydraulic rod 17, passes through a connecting piece and is circumferentially contacted on the brake pad 12, and cools the brake pad 12. The connection piece is through or other pipeline connection pieces, the brake pad 12 is taken down from the hydraulic rod 17, and the connection piece can be separated from the cooling liquid pipe 9.
As shown in fig. 4 and 5, the first spring 18 is arranged in the output port 20, the first spring 18 is connected with the sealing piece 19, the ejector rod 23 is arranged in the input port, the ejector rod 23 is connected with the brake pad 12, the hydraulic rod 17 is clamped in the groove 22, the ejector rod 23 contacts with the sealing piece 19, and the first spring 18 is compressed, so that the output port 20 is opened; the brake block 12 is removed, the ejector rod 23 is separated from the sealing plate 19, and the sealing plate 19 seals the output port 20 under the action of the first spring 18.
One end of the first spring 18 is connected with the output port 20, the other end of the first spring is connected with the sealing piece 19, the size of the sealing piece 19 is larger than that of an outlet of the output port 20, the first spring 18 recovers elasticity, the output port 20 can be sealed, cooling liquid in the output port 20 and the cooling liquid pipe 9 is blocked from flowing out, in the cooling process, the ejector rod 23 props against the sealing piece 19, the output port 20 is opened, the cooling liquid can flow into a connecting piece, and the brake pad 12 is cooled. The outlet 20 is a rectangular frame, the inlet of the outlet 20 is matched with the cooling liquid pipe 9, the outlet of the outlet 20 is matched with the connecting piece, the inside is a cavity, and the first spring 18 and the sealing piece 19 are arranged in the cavity. The input port is designed in the middle of the groove 22, the input port is provided with a channel through which the coolant pipe 9 passes, one end of the connecting piece is connected with the outlet of the output port 20, the other end of the connecting piece passes through the ejector rod 23 and is connected with the brake pad 12, and the connecting piece is also provided with an opening for connecting the coolant pipe 9 arranged in the channel, and of course, the connecting piece can be changed into a tee joint.
As a preferred mode of this embodiment, as shown in fig. 2, two hydraulic rods 17 are connected to one brake pad 12, two heat dissipation grids are respectively provided on the first caliper 2 and the second caliper 1, the two heat dissipation grids on the first caliper 2 are a first heat dissipation grid 14 and a second heat dissipation grid 13, and the two heat dissipation grids on the second caliper 1 are a third heat dissipation grid 15 and a fourth heat dissipation grid 16.
The two hydraulic rods 17 are connected to the brake pad 12, and the two hydraulic cylinders 4 and the two oil inlet pipelines 10 are also connected, so that the braking effect can be enhanced, and meanwhile, the cooling liquid pipes 9 are also designed on the hydraulic rods 17, so that the cooling effect on the brake pad 12 can be enhanced. Two heat dissipation grids are designed on the first calipers 2 and the second calipers 1, the cooling liquid pipes 9 are arranged on the heat dissipation grids, the number of the heat dissipation grids corresponds to the number of the hydraulic rods 17, and the heat dissipation effect of the cooling liquid pipes 9 is enhanced. On the same brake pad 12, the coolant pipe 9, which is output from one hydraulic rod 17, enters the other hydraulic rod 17 and then enters the radiator grille.
As shown in fig. 1, a circulation pump 8 is provided on the coolant pipe 9 to control the coolant in the coolant pipe 9.
A rotating shaft 28 is connected between the first calipers 2 and the second calipers 1, the rotating shaft 28 is of a hollow structure, and the cooling liquid pipe 9 penetrates through the rotating shaft 28. The coolant pipe 9 passes through the rotation shaft 28 and the third heat dissipation grating 15 in turn after being output from the outlet of the coolant bin 7, reaches the two hydraulic rods 17 on the second caliper 1, contacts the brake pad 12 on the second caliper 1, passes through the fourth heat dissipation grating 16, passes through the rotation shaft 28 again, passes through the second heat dissipation grating 13, reaches the two hydraulic rods 17 on the first caliper 2, contacts the brake pad 12 on the first caliper 2, passes through the first heat dissipation grating 14, and returns to the inlet of the coolant bin 7.
As shown in fig. 2, a rotating shaft 28 is arranged between the first caliper 2 and the second caliper 1, so that the first caliper 2 and the second caliper 1 can be rotated, and the rotating shaft 28 is of a hollow structure, so that the coolant tube 9 can circulate between the first caliper 2 and the second caliper 1 conveniently.
The fixing frame 5 is provided with a locating pin 6, the locating pin 6 is provided with a second spring 26, one end of the second spring 26 is connected to the first caliper 2, the other end of the second spring 26 is connected to the locating pin 6, the second caliper 1 is provided with an arc-shaped groove 25, and the locating pin 6 penetrates through the first caliper 2 and is clamped in the arc-shaped groove 25.
As shown in fig. 1 and 7, the caliper 1 and the caliper 2 are fixed by the positioning pin 6, when rotation is needed, the positioning pin 6 is pulled out, the caliper 1 is rotated, after rotation, the positioning pin 6 is clamped at the other end of the arc-shaped groove 25 under the action of the elastic force of the spring 26, and positioning is realized. The cooling liquid pipe 9 and the oil inlet pipeline 10 are both hoses, and a flow dividing valve 11 of the oil inlet pipeline 10 is arranged on the fixing frame 5.
As a preferred mode of this embodiment, as shown in fig. 8-10, the first caliper 2 and the second caliper 1 are further provided with an alarm assembly, the alarm assembly comprises an electromagnetic coil electrode 29 arranged on the first caliper 2 and the second caliper 1, a metal conducting plate 24 arranged on the brake pad 12, and an alarm unit 30 arranged on the first caliper 2 and the second caliper 1, the alarm unit 30 comprises a limiting shell 31, an alarm 35 arranged on one side of the limiting shell 31, two alarm electrodes 38 arranged in the limiting shell 31, limiting teeth 34, an electromagnetic coil 37, a return spring 36, a metal moving block 32, a metal spring piece 39 and a return rod 33, the alarm electrodes 38 are connected with the alarm 35, the alarm electrodes 38 and the limiting teeth 34 are arranged on one side of the limiting shell 31, one end of the return spring 36 is connected with the electromagnetic coil 37, the other end of the return spring piece 39 is connected with the metal moving block 32, the metal spring piece 39 is arranged on one side of the metal moving block 32 close to the limiting teeth 34, and the return rod 33 is connected with the metal spring piece 39. The electromagnetic coil electrodes 29 are also designed in two. The limiting shell 31 is made of non-metal materials, and a cover plate is arranged on the limiting shell.
When the friction of the brake pad 12 is consumed to a certain extent, the metal conducting plate 24 on the brake pad 12 contacts the electromagnetic coil electrode 29, the electromagnetic coil 37 conducts electricity and attracts the metal moving block 32, the metal spring piece 39 is clamped on the limiting teeth 34, so that the two alarm electrodes 38 are connected, and the alarm 35 alarms to remind the replacement of the brake pad 12. Under the action of the limiting teeth 34, the metal motion block 32 cannot be reset, and the alarm 35 continuously alarms and is not influenced by the working state of the brake pad 12. When the brake pad 12 is replaced, the reset rod 33 is shifted, the metal spring piece 39 is separated from the limiting teeth 34, the reset spring 36 slowly returns to the natural state, and the metal motion block 32 is reset, so that an alarm is eliminated.
As a preferable mode of this embodiment, as shown in fig. 11, a return valve 40 and a return pipe 41 are further provided on the fixing frame 5, the return pipe 41 is also connected with the hydraulic cylinder 4, and the return valve 40 and the flow dividing valve 11 are both of a unidirectional flow structure; the two valves are simultaneously connected with a brake oilcan; under the braking action, the brake oil pot is positive pressure, and brake oil can flow into the hydraulic cylinder 4 through the oil inlet pipeline 10; when the brake is reset, the brake oil pot is under negative pressure, and the brake oil can flow back to the brake oil pot through the return pipeline 41. The circulating brake oil can reduce accumulated heat of the brake oil, and heat dissipation is achieved. The side of the hydraulic rod 17, which is close to the brake pad 12, is also provided with a heat conduction sealing pad, so that the heat conduction can be increased, and brake oil can participate in the cooling of the brake pad 12.
The application method of the invention comprises the following steps:
1. starting a circulating pump 8 on a cooling liquid pipe 9, outputting cooling liquid from an outlet of a cooling liquid bin 7, entering the cooling liquid pipe 9, sequentially passing through a rotating shaft 28 and a third heat dissipation grating 15, reaching two hydraulic rods 17 on a second caliper 1, contacting with a brake pad 12 on the second caliper 1, passing through a fourth heat dissipation grating 16, then passing through the rotating shaft 28 again, passing through a second heat dissipation grating 13, reaching two hydraulic rods 17 on a first caliper 2, contacting with a brake pad 12 on the first caliper 2, passing through a first heat dissipation grating 14, returning to an inlet of the cooling liquid bin 7, and realizing circulating cooling on the brake pad 12;
2. the hydraulic cylinder 4 is pressurized through the oil inlet pipeline 10 to push the hydraulic rod 17 to move so as to push the brake pad 12 to move for braking, when the friction of the brake pad 12 is consumed to a certain extent, the metal conducting pad 24 on the brake pad 12 contacts the electromagnetic coil electrode 29, the electromagnetic coil 37 conducts electricity to attract the metal moving block 32, the metal spring piece 39 is clamped on the limiting teeth 34, the two alarming electrodes 38 are connected, the alarm 35 alarms, and the replacement of the brake pad 12 is reminded;
3. when the brake pad 12 is replaced, the circulating pump 8 is closed, the positioning pin 6 is pulled out, the caliper I2 is rotated, the positioning pin 6 is clamped at the other end of the arc-shaped groove 25 under the action of the elastic force of the spring II 26, positioning is realized, the nut 3 is removed, the hydraulic cylinder 4 is separated from the caliper I2 and the caliper II 1, the fixing piece 27 is pulled, the fixing piece 27 is removed from the clamping groove, the separation of the brake pad 12 and the hydraulic rod 17 is realized, the ejector rod 23 is separated from the sealing piece 19, the sealing piece 19 blocks the outlet 20 and cooling liquid in the cooling liquid pipe 9 from flowing out under the action of the spring I18, and the connecting piece is removed, so that the brake pad 12 can be replaced;
4. when the brake block 12 is installed, the fixing piece 27 is pulled, the fixing piece 27 is clamped in the clamping groove, the brake block 12 is connected with the hydraulic rod 17, the connecting piece is connected, the ejector rod 23 is propped against the sealing piece 19, the output port 20 is opened, cooling liquid can flow into the connecting piece to cool the brake block 12, the nut 3 is installed, the hydraulic cylinder 4 is connected with the first calipers 2 and the second calipers 1, the positioning pin 6 is pulled out, the first calipers 2 are rotated, and the positioning pin 6 is clamped at the initial position of the arc-shaped groove 25 under the action of the elastic force of the second springs 26;
5. when the brake pad 12 is replaced, the reset rod 33 is shifted, the metal spring piece 39 is separated from the limiting teeth 34, the reset spring 36 slowly returns to the natural state, and the metal motion block 32 is reset, so that an alarm is eliminated.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A brake pad cooling device comprises a first caliper (2), a second caliper (1) and brake pads (12) which are respectively arranged on the first caliper (2) and the second caliper (1); the hydraulic cylinder (4) and the hydraulic rod (17) are arranged on the first calipers (2) and the second calipers (1), the hydraulic rod (17) is detachably connected with the brake pad (12), and the hydraulic cylinder (4) is connected with an oil inlet pipeline (10), and is characterized in that: the first calipers (2) and the second calipers (1) are provided with cooling assemblies, and the first calipers (2) are provided with fixing frames (5); the cooling assembly includes:
a cooling liquid bin (7) which is arranged on the fixing frame (5) and stores cooling liquid therein;
the radiating grids are respectively arranged on the first calipers (2) and the second calipers (1);
and one end of the cooling liquid pipe (9) is connected with the outlet of the cooling liquid bin (7), is contacted with the brake pad (12) through the heat dissipation grating and the hydraulic rod (17), and is connected with the inlet of the cooling liquid bin (7) through the other heat dissipation grating.
2. The brake pad cooling device of claim 1, wherein: the hydraulic cylinder (4) is clamped on the upper parts of the first calipers (2) and the second calipers (1), threads are arranged on the hydraulic cylinder (4), and the hydraulic cylinder is fixed on the first calipers (2) and the second calipers (1) through nuts (3).
3. The brake pad cooling device of claim 2, wherein: one side of the brake block (12) is provided with a groove (22), the hydraulic rod (17) is clamped in the groove (22), the edge of the groove (22) is provided with a fixing piece (27), the hydraulic rod (17) is provided with a clamping groove, and the fixing piece (27) is clamped in the clamping groove.
4. A brake pad cooling device as claimed in claim 3, wherein: a reed (42) is arranged between the fixing piece (27) and the brake pad (12), a limit rod (21) is arranged on one side of the reed (42), and the hydraulic rod (17) is clamped in the groove (22) and then is clamped into the clamping groove for fixing through the fixing piece (27).
5. The brake pad cooling device of claim 4, wherein: one side of the hydraulic rod (17) which is close to the brake pad (12) is provided with an output port (20), an input port is arranged in the groove (22), a connecting piece is connected between the output port (20) and the input port, the connecting piece is connected with the output port (20) and a cooling liquid pipe (9) at the input port, and the cooling liquid pipe (9) is in contact with the brake pad (12).
6. The brake pad cooling device of claim 5, wherein: the novel brake disc is characterized in that a first spring (18) is arranged in the output port (20), the first spring (18) is connected with a sealing sheet (19), a push rod (23) is arranged in the input port, the push rod (23) is connected with the brake disc (12), and the push rod (23) is contacted with or separated from the sealing sheet (19) to control the opening or sealing of the output port (20).
7. The brake pad cooling device of claim 6, wherein: two hydraulic rods (17) are connected to the brake block (12), two heat dissipation grids are arranged on the first calipers (2) and the second calipers (1), the two heat dissipation grids on the first calipers (2) are a first heat dissipation grid (14) and a second heat dissipation grid (13), and the two heat dissipation grids on the second calipers (1) are a third heat dissipation grid (15) and a fourth heat dissipation grid (16).
8. The brake pad cooling device of claim 7, wherein: the cooling liquid pipe (9) is provided with a circulating pump (8).
9. The brake pad cooling device of claim 8, wherein: a rotating shaft (28) is connected between the first calipers (2) and the second calipers (1), the rotating shaft (28) is of a hollow structure, and the cooling liquid pipe (9) penetrates through the rotating shaft (28).
10. The brake pad cooling device of claim 9, wherein: be equipped with locating pin (6) on mount (5), be equipped with two (26) of spring on locating pin (6), the one end of two (26) of spring is connected on calliper one (2), the other end of two (26) of spring is connected on locating pin (6), be equipped with arc wall (25) on calliper two (1), locating pin (6) pass calliper one (2), the card is in arc wall (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311378013.8A CN117108657B (en) | 2023-10-24 | 2023-10-24 | Brake pad heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311378013.8A CN117108657B (en) | 2023-10-24 | 2023-10-24 | Brake pad heat sink |
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| CN117108657A true CN117108657A (en) | 2023-11-24 |
| CN117108657B CN117108657B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311378013.8A Active CN117108657B (en) | 2023-10-24 | 2023-10-24 | Brake pad heat sink |
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| CN (1) | CN117108657B (en) |
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| CN116006605A (en) * | 2022-12-05 | 2023-04-25 | 台州万洲机械股份有限公司 | Automobile brake hub brake pad gap adjusting equipment |
| WO2023070705A1 (en) * | 2021-10-30 | 2023-05-04 | 衡阳迈特制动系统有限公司 | New-type brake caliper |
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|---|---|---|---|---|
| US20050284708A1 (en) * | 2002-01-14 | 2005-12-29 | Joachim Christ | Cooling arrangement for brake caliper |
| KR20090059576A (en) * | 2007-12-07 | 2009-06-11 | 정철규 | Caliper for a braking system of an automobile |
| CN111692249A (en) * | 2020-06-02 | 2020-09-22 | 万金国 | Preheating and cooling device for disc brake |
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| CN117108657B (en) | 2024-01-30 |
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