CN115467918A - Brake disc with fluid internal circulation heat dissipation structure - Google Patents

Brake disc with fluid internal circulation heat dissipation structure Download PDF

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Publication number
CN115467918A
CN115467918A CN202211169935.3A CN202211169935A CN115467918A CN 115467918 A CN115467918 A CN 115467918A CN 202211169935 A CN202211169935 A CN 202211169935A CN 115467918 A CN115467918 A CN 115467918A
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CN
China
Prior art keywords
disc
auxiliary
channel
ring
connecting shaft
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Granted
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CN202211169935.3A
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Chinese (zh)
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CN115467918B (en
Inventor
李云宝
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Yuxi Yunqinghang Technology Co ltd
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Yuxi Yunqinghang Technology Co ltd
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Priority to CN202211169935.3A priority Critical patent/CN115467918B/en
Publication of CN115467918A publication Critical patent/CN115467918A/en
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Publication of CN115467918B publication Critical patent/CN115467918B/en
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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
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/128—Discs; Drums for disc brakes characterised by means for cooling
    • 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
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/1328—Structure internal cavities, e.g. cooling channels
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1384—Connection to wheel hub
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1388—Connection to shaft or axle
    • 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
    • F16D2065/784—Features relating to cooling the coolant not being in direct contact with the braking surface
    • 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
    • F16D2065/788—Internal cooling channels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention relates to the technical field of truck braking, in particular to a brake disc with a fluid internal circulation heat dissipation structure. The cooling and heat dissipation problem of the brake disc is solved. The brake disc with the fluid internal circulation heat dissipation structure comprises a friction disc body and a connecting shaft between a hub, wherein one end of the connecting shaft is fixed on the hub, the friction disc body is arranged at the other end of the connecting shaft, an outer ring channel and two semicircular ring channels which are concentric are arranged inside the friction disc body, the outer ring channel is an open ring, a partition is arranged at the open ring position of the outer ring channel and is communicated with the corresponding semicircular ring channels on the same side, and water channel holes are respectively arranged at the other ends of the semicircular ring channels; the friction disc body comprises a main face disc and an auxiliary face disc, the main face disc is attached and fixed on the connecting shaft, the auxiliary face disc is located on the outer side of the main face disc, an opening is formed in one side, facing the auxiliary face disc, of the auxiliary face disc, and a closed one-way circulation channel is formed after the auxiliary face disc is attached to the main face disc. The friction disk body and the connecting shaft are installed in a split mode, use cost is reduced, and the friction disk body is fully cooled through the inner ring channel and the outer ring channel.

Description

Brake disc with fluid internal circulation heat dissipation structure
Technical Field
The invention relates to the technical field of truck braking, in particular to a brake disc with a fluid internal circulation heat dissipation structure.
Background
Most freight trains adopt to brake block and brake disc cooperation to get up and brake, is furnished with the louvre on the wheel hub and dispels the heat, because the new rule of country forbids to use spray water system on the vehicle that uses disc braking, leads to high temperature easily at long slope highway section brake down, and current brake water spray system does not allow to use and cools down on the brake disc, and the radiating effect is also not ideal, and the vehicle that traveles on the road leads to great potential safety hazard.
The brake disc is an important part of an automobile during braking, and the driving safety of the automobile is directly influenced by the braking performance of the automobile. Especially, in a large-sized load-carrying vehicle, the temperature of the edge of the brake disc can be rapidly increased due to the fact that the brake acts on the edge of the brake disc because the inertia of the brake is large when the brake is applied. When the temperature of the edge of the brake disc rises to a certain temperature, the brake heat fading phenomenon can occur when the automobile brakes, and the brake effect is influenced. In the prior art, in order to improve heat dissipation performance, heat dissipation holes are usually formed in the disc surface of a brake disc. The application number CN201720707057.4 is that the automobile brake disc comprises a cylinder body, wherein the head of the cylinder body is provided with an annular body, mounting parts are uniformly distributed on the side wall of the annular body in the circumferential direction, and mounting holes are formed in the mounting parts; the tail part of the cylinder body is provided with a first disc body, the first disc body is connected with a second disc body through a connecting part, the second disc body is provided with a central hole, the tail part of the cylinder body axially extends outwards and penetrates through the central hole, and the tail end face of the cylinder body is provided with teeth; connecting portion include the cylinder group of three ring at least coaxial settings, cylinder group is including the cylinder body of circumference equipartition, every circle on the cylinder group cylinder body quantity, and adjacent two on the cylinder group the cylinder body sets up in a staggered way. The cooling effect of the brake disc is not ideal because the radiating surface is enlarged during braking but mainly depends on air cooling, and the cooling effect is worse when the temperature of the surrounding air is high.
The applicant also applied CN202021940944.4 in two years earlier and disclosed an internal water circulation heat dissipation brake disc with a water sump for a truck. The problem of high temperature generated by truck brake is solved. The brake disc is positioned on the left side of a wheel core of an inner hub of a truck, the outer hub is symmetrically arranged on the outer side of the inner hub, two symmetrical water pipe holes are formed in the wheel core in advance, the ventilation and heat dissipation part between the two original face discs of the brake disc is completely sealed to form a closed water sump, and two symmetrical water inlet and outlet holes are formed in the annular wall on the inner side of the face disc of the brake disc. Above-mentioned technical scheme utilizes current brake disc to reform transform and obtains a sealed circulation sump for carry out hydrologic cycle in the brake disc and cool down the processing, reform transform stability not high like this, it is long still exactly to be the manufacturing procedure, with high costs, need design a present brake disc now and carry out the direct mount and need not reform transform technical scheme again.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the brake disc with the fluid internal circulation heat dissipation structure, which is formed by one-time casting, can effectively form an effective fluid circulation channel in the brake disc, and water or other fluids can circulate to effectively cool the brake disc.
The technical scheme adopted by the invention for solving the technical problem is as follows: the brake disc with the fluid internal circulation heat dissipation structure comprises a friction disc body and a connecting shaft between the friction disc body and a hub, wherein one end of the connecting shaft is fixed on the hub, the friction disc body is installed at the other end of the connecting shaft, an outer ring channel and two semicircular ring channels which are concentric are arranged inside the friction disc body, the two semicircular ring channels are relatively independent and located on the inner side of the outer ring channel, the outer ring channel is an open ring, a partition is arranged at the open ring position of the outer ring channel, the partition corresponds to the semicircular ring channel on the same side, and water channel holes are formed in the other ends of the semicircular ring channels respectively.
The friction disc body is composed of a main face disc and an auxiliary face disc, the main face disc is attached and fixed on the connecting shaft, the auxiliary face disc is located on the outer side of the main face disc, the outer ring channel and the semicircular ring channel are mainly located on the main face disc, an opening is formed in one side, facing the auxiliary face disc, the auxiliary face disc is provided with a structure matched with the main face disc, and the auxiliary face disc forms a closed one-way circulation channel after being attached to the main face disc.
A plurality of threaded holes are uniformly formed in the circular ring surface at one end, where the connecting shaft and the friction disc body are fixedly installed, a main stop ring extends in the axial direction of the connecting shaft, a plurality of main stop grooves are uniformly distributed on the main stop ring, main stop protrusions matched with the main stop grooves are respectively arranged on the inner ring surfaces corresponding to the main disc and the auxiliary disc, mounting holes coaxial with the threaded holes in the connecting shaft are arranged in the main stop protrusions, the mounting holes correspond to the threaded holes one by one, bolts are arranged in the threaded holes, and the bolts sequentially penetrate through the mounting holes in the auxiliary disc and the main disc and are finally screwed in the threaded holes; an auxiliary stop ring radially extends out of the upper edge of the connecting shaft along the end face, an auxiliary stop groove is formed in the auxiliary stop ring, the whole auxiliary stop ring is in a gear shape, and an auxiliary stop recess matched with the auxiliary stop ring is formed in the side direction of the main face disc corresponding to the auxiliary stop ring.
Two water passage holes on the friction disc body respectively extend out to correspond to two threaded holes set on the upper auxiliary stop ring, and two through holes matched with the connecting shaft and the hub mounting end face are arranged on the connecting shaft and the hub mounting end face and used for mounting water pipes.
In a more preferable scheme, the through hole on the connecting shaft corresponds to the water channel hole, and the connecting shaft is provided with a water pipe groove which corresponds to the through hole and the water channel hole; the auxiliary stop groove of the auxiliary stop ring is a semicircular groove, and the auxiliary stop recess on the friction disc body is still matched with the auxiliary stop groove; the original threaded hole is integrally formed to extend a threaded rod outwards, and the threaded rod penetrates through the mounting holes of the main surface disc and the auxiliary surface disc outwards.
More preferably, a boss is arranged at the position of the water pipe hole on the main stop ring, a sliding block of a water channel is arranged on the boss, two arc-shaped water channels are arranged in the sliding block, one end of each arc-shaped water channel corresponds to the water channel hole on the friction disc body, the other end of each arc-shaped water channel corresponds to the threaded hole of the auxiliary stop ring of the connecting shaft, sealing ring grooves are arranged at two ends of each arc-shaped water channel, and the sliding block is screwed into the bolt through a mounting hole in the center position and fixed on the auxiliary stop ring on the connecting shaft; the peripheral outer edge of the auxiliary face disc is provided with a third stop groove, and the main face disc is provided with a third stop protrusion matched with the third stop groove on the auxiliary face disc; a plurality of main stop protrusions are uniformly distributed on the inner annular surface of the auxiliary face disc and extend towards the main stop grooves, the inner annular surface of the main face disc is matched with the main face disc to retract to a corresponding distance, cylindrical grooves are arranged in the plurality of main stop protrusions on the auxiliary face disc, and the cylindrical grooves are matched with nuts of bolts.
More preferred scheme, the connecting axle is equipped with two straight water courses that run through along the axial, and straight water course is close to friction disk body one side and is equipped with the arc water course and rubs the water course hole on the disk body and match, and the other one side end of straight water course is equipped with the sealing washer recess. The external pipeline is screwed on the hub through a reserved threaded hole on the hub, and the pipeline corresponds to the straight water channel.
More preferably, the friction disc body is divided into more than two independent channels, a water inlet and a water outlet are respectively arranged at two ends of each channel, and the independent channels are still jointed by the main face disc and the auxiliary face disc to form a closed internal circulation channel.
More preferred scheme, connecting axle and the casting of annular friction disk body integrated into one piece of circle are equipped with hollow water course in the friction disk body, and a plurality of sand discharge holes are reserved to friction disk body outer ring passageway and inner ring passageway, correspond outer ring way and semicircle ring way respectively, and sand discharge hole both sides are equipped with the screw thread aperture and are used for installing the closure piece, and the closure piece is used for the interior confined space of shutoff sand discharge hole formation.
The invention has the following beneficial effects: a circulating water channel is formed in the brake disc in a hollow mode, water enters one end of the inner groove from the water pipe hole, flows to the partition of the groove of the annular protrusion along the inner groove and then turns to the outer groove, flows to the other end of the partition along the outer groove and then turns to the inner groove, and finally flows out of the other water pipe hole of the inner groove. The water forms two inner and outer circulating water channels inside the brake disc to cool the brake disc. The friction disc body is fixedly arranged on the connecting shaft through the bolt, so that when the friction disc body is abraded, only the friction surface disc needs to be replaced independently, and the part of the connecting shaft does not need to be replaced, so that the use cost of a user is greatly reduced, and the friction disc body can be detached; when present brake disc installation, the friction disk body can block the other one end of connecting axle, does not install well, and the present friction disk body is for dismantling the mode, and the installation is more convenient when the connecting axle is fixed on wheel hub.
Drawings
FIG. 1 is a schematic view of a split structure of the present invention.
Figure 2 is a cross-sectional view of the interior of the friction disc.
Fig. 3 is a schematic structural view of the opposite side of fig. 1.
Fig. 4 is a schematic view of another retaining groove and retaining protrusion according to the present invention.
Fig. 5 is a partially cut-away schematic view of the slider of the present invention.
Fig. 6 is a schematic structural view of the opposite side of fig. 4.
Fig. 7 is a sectional view of the present invention connecting shaft with a straight water passage provided therein.
FIG. 8 is a schematic view of a friction disc with two independent water channels.
FIG. 9 is a schematic structural view of an integrally cast sand discharge hole of the present invention.
Fig. 10 is a partially cut-away schematic view of fig. 9.
In the figure: the friction disc body 1, the main face disc 101, the auxiliary face disc 102, the connecting shaft 2, the main stop ring 201, the auxiliary stop ring 202, the through hole 204, the water pipe groove 205, the straight water channel 206, the outer ring channel 3, the semicircular ring channel 4, the partition 5, the water channel hole 6, the threaded hole 7, the main stop groove 8, the main stop protrusion 9, the mounting hole 10, the auxiliary stop recess 11, the threaded rod 12, the sliding block 13, the arc-shaped water channel 14, the third stop groove 15, the third stop protrusion 16, the cylindrical groove 17, the independent channel 18, the sand discharge hole 19 and the threaded small hole 20.
Detailed Description
The invention is further illustrated below with reference to the figures and examples.
In which like parts are designated by like reference numerals. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the sub-drawings, the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component, respectively, and the sub-drawings are in a very simplified form and all use non-precise ratios, merely for the purpose of convenience and clarity in assisting in describing embodiments of the present invention.
Example 1
As shown in fig. 1 (actually, the main panel, the auxiliary panel and the connecting shaft are attached together, and the detachment mode is adopted only for displaying the structure), the brake disc with the fluid internal circulation heat dissipation structure comprises a connecting shaft 2 between a friction disc body 1 and a hub, one end of the connecting shaft 2 is fixed on the hub, the friction disc body 1 is installed at the other end of the connecting shaft, an outer annular channel 3 and two semicircular channels 4 which are concentric with each other are arranged inside the friction disc body 1, the two semicircular channels 4 are relatively independent and located on the inner side of the outer annular channel 3, the outer annular channel 3 is an open loop, a partition 5 is arranged at the open loop of the outer annular channel 3 and is communicated with the semicircular channels 4 on the same side correspondingly, water channel holes 6 are respectively arranged at the other end of the semicircular channel 4, the two water channel holes 6 can be arbitrarily selected to be communicated with a water inlet pipe and a water outlet pipe, and it is ensured that one water inlet pipe and the other water outlet pipe can be used.
As shown in fig. 2, the friction disc body 1 is composed of a main disc 101 and a sub disc 102, the main disc 101 is attached and fixed on the connecting shaft 2, the sub disc 102 is located outside the main disc 101, the outer ring 3 and the semicircular ring 4 are mainly located on the main disc 101, an opening is formed in one side facing the sub disc 102, a structure matched with the main disc 101 is arranged on the sub disc 102, and the sub disc 102 forms a closed one-way circulation channel after being attached to the main disc 101. Because the outer ring 3 and the two semicircular rings 4 need to be formed in the friction disc body 1, the existing casting technology cannot be realized, so the outer ring 3 and the semicircular rings 4 of the main surface disc 101 need to be opened for casting, and the opening area is covered at the opening of the main surface disc 101 through a corresponding structure set by the auxiliary surface disc 102, so that a unidirectional circulation channel is formed in the friction disc body 1.
As shown in fig. 3, a plurality of threaded holes 7 are uniformly and respectively formed in a circular ring surface at one end where the connecting shaft 2 and the friction disc body 1 are fixedly installed, a main stop ring 201 extends axially along the connecting shaft 2, a plurality of main stop grooves 8 are uniformly distributed on the main stop ring 201, main stop protrusions 9 matched with the main stop grooves 8 are respectively arranged on inner ring surfaces corresponding to the main disc 101 and the auxiliary disc 102, mounting holes 10 coaxial with the threaded holes on the connecting shaft are arranged in the main stop protrusions 9, the mounting holes 10 correspond to the threaded holes 7 one by one, bolts (not shown in the figure) are arranged in the threaded holes 7, and the bolts sequentially penetrate through the mounting holes 10 on the auxiliary disc 102 and the main disc 101 and are finally screwed in the threaded holes; an auxiliary stop ring 202 radially extends from the upper edge of the connecting shaft 2, an auxiliary stop groove is formed in the auxiliary stop ring 202, the whole auxiliary stop ring 202 is in a gear shape, and an auxiliary stop recess 11 matched with the auxiliary stop ring is formed in the main panel 101 corresponding to one side of the auxiliary stop ring.
Two water passage holes 6 on the friction disc body respectively extend to correspond to two threaded holes 7 arranged on the upper auxiliary stop ring 202, and two through holes 204 matched with the connecting shaft 2 and the hub mounting end face are arranged on the hub mounting end face and are used for mounting water pipes.
Can dismantle connecting axle 2 and the relative one end of friction disk body 1 and fix on wheel hub, because friction disk body 1 can be dismantled, can select the back installation, just do not have the sheltering from of friction disk body 1 when connecting axle 2 is installed at wheel hub like this, it is more convenient to install, after connecting axle 2 is fixed, match the installation of laminating one by one with main locking recess 8 to main face dish 101 installation main locking arch 9 earlier, and the through-hole on the connecting axle 2 corresponds with the water course hole on the friction disk body 1, again on the main face dish 101 is laminated according to the laminating of matching to vice face dish 102, finally twist the mounting hole that passes in proper order on vice face dish 102 and the main face dish 101 internal ring face in the screwed hole through the bolt.
The auxiliary face plate 102 and the main face plate 101 are attached together to form a closed space, it is guaranteed that water flows into the outer annular channel 3 after entering one semicircular channel 4 and flowing into the other end of the semicircular channel, the water flows along the outer annular channel 3 along the friction disc body 1 to approach a circumference, the water flows into the other semicircular channel after reaching the partition 5 at the open ring position and finally returns to the other water channel hole to flow out, a one-way inner and outer circulation channel is formed in the friction disc body 1, and therefore water flow circularly cools the inner channel and the outer channel of the whole friction disc body 1. After long-term use, if the friction disk body 1 is partially worn, only the bolts need to be screwed off, the main disk 101 and the auxiliary disk 102 are separated from the connecting shaft 2, only damaged parts can be replaced or the two parts are replaced together according to needs, and meanwhile, if the connecting shaft is damaged (the probability of damage to the connecting shaft is small), the friction disk body can be continuously used for replacing the connecting shaft, so that the use cost is greatly reduced.
Example 2
As shown in fig. 4, the embodiment is the same as example 1 except that: the through hole 204 on the connecting shaft 2 corresponds to the water channel hole 6, and the connecting shaft is provided with a water pipe groove 205 which corresponds to the through hole and the water channel hole; the auxiliary stop groove of the auxiliary stop ring 202 is a semicircular groove, the auxiliary stop recess 11 on the friction disc body 1 is still matched with the semicircular groove, actually, the groove area disappears, and only the original auxiliary stop recess area is provided with an arc-shaped bulge matched with the auxiliary stop groove; the original threaded hole is integrally formed with an outward extending threaded rod 12, the threaded rod 12 penetrates through the mounting holes of the main surface disc and the auxiliary surface disc outwards, and a nut (not shown in the figure) is arranged on the outer side of the threaded rod 12 for fixed mounting.
A boss is arranged at the position of a water pipe hole of the main stop ring 201, a sliding block 13 of a water channel is arranged on the boss, two arc-shaped water channels 14 are arranged in the sliding block 13, as shown in fig. 5 (in the figure, in order to show the arc-shaped water channels, half of one arc is cut off for showing, and the arc-shaped water channels are complete in practice), one end of each arc-shaped water channel 14 corresponds to the water channel hole on the friction disc body, the other end of each arc-shaped water channel corresponds to a threaded hole of an auxiliary stop ring of the connecting shaft, sealing ring grooves are arranged at two ends of each arc-shaped water channel, and the sliding block is screwed into a bolt (not shown in the figure) through a mounting hole at the central position and fixed on the auxiliary stop ring 202 on the connecting shaft; as shown in fig. 6, the third stopping groove 15 is arranged at the outer circumferential edge of the minor face disc 102, and the major face disc 101 is provided with a third stopping bulge 16 matched with the third stopping groove 15 on the minor face disc 102; a plurality of main stop bulges are uniformly distributed on the inner annular surface of the auxiliary face disc and extend towards the main stop grooves, the inner annular surface of the main face disc is matched with the main face disc to retract for a corresponding distance, cylindrical grooves 17 are arranged in the plurality of main stop bulges on the auxiliary face disc 102, and the cylindrical grooves are matched with nuts of bolts.
Two water pipes extending from the fluid exchange device sequentially penetrate through holes in the connecting shaft and are screwed in threaded holes in the auxiliary stop ring along water pipe grooves, the threaded holes correspond to arc-shaped water channel holes in the horizontal direction of the sliding block, sealing ring grooves are formed in two ends of an arc-shaped water channel in the sliding block, the water flow direction turns to the water channel holes in the semicircular ring channel to enter after the arc-shaped water channel turns, the third stop groove and the third stop protrusion are matched with each other, the auxiliary face disc and the main face disc are prevented from rotating, good stopping is achieved, the main stop protrusion on the inner ring face of the auxiliary face disc and the main stop protrusion on the main face disc are embedded into the main stop groove in the connecting shaft together, the main stop groove of the connecting shaft stops the main face disc and the auxiliary face disc, stability is improved, and quick installation of the whole friction disc body and the joint is facilitated.
Example 3
As shown in fig. 7, the embodiment is the same as embodiment 2 except that: the connecting shaft 2 is provided with two through straight water channels 206 along the axial direction, one side of the straight water channel 206 close to the friction disc body is provided with an arc-shaped water channel 14 matched with a water channel hole on the friction disc body 1, and the end head of the other side of the straight water channel is provided with a sealing ring groove.
The external pipeline is screwed on the hub through a reserved threaded hole on the hub, and the pipeline corresponds to the straight water channel. After the circulation of fluid entering the friction disc body in the friction disc body from the external pipeline through the straight water channel and the arc-shaped water channel is finished, the fluid passes through the other arc-shaped water channel and the straight water channel again from the other water channel hole and then flows out of the external pipeline.
Example 4
As shown in fig. 8, the embodiment is the same as embodiment 3 except that: the friction disc body 1 is divided into two independent channels 18, two ends of each channel 18 are respectively provided with a water channel hole 6, and the independent channels are still jointed by the main face disc and the auxiliary face disc to form a closed internal circulation channel.
Two independent channels are formed in the friction disc body, each channel corresponds to one group of water channel holes, various fluid circulation requirements are met, and the fluid enters each channel of the friction disc body to respectively cool a half area of the friction disc body.
Example 5
As shown in fig. 9 and 10, the embodiment is the same as example 1 except that: the connecting shaft 2 and the annular friction disc body 1 and other matched components are integrally cast, a hollow water channel is arranged in the friction disc body, a plurality of sand discharge holes 19 are reserved in an outer ring channel and an inner ring channel of the friction disc body and respectively correspond to the outer ring channel 3 and the semicircular ring channel 4, threaded small holes 20 are formed in two sides of each sand discharge hole and used for installing a plugging piece (the plugging piece is not shown in the drawing), the plugging piece is screwed on a threaded hole through a bolt, and the plugging piece is used for plugging the sand discharge holes to form an internal sealing space.
Because the inside hollow circulation passageway that needs the casting of friction disk body, the unable one-time molding of present casting technique, all need later stage welding process, correspond the region at outer ring way and semicircle ring way and set up the sediment outflow hole, pour the foundry sand in the passageway after convenient casting like this, whole brake disc integrated into one piece casting has been realized, increase the intensity of whole friction disk body, after the casting is finished, utilize the closure plate to seal the sediment outflow hole and just can realize a sealed passageway, the sediment outflow hole can adopt other modes such as welding to realize sealing, accomplish sealed passageway, and because the most area of friction disk body adopts integrative casting, intensity is guaranteed.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development effort might be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.

Claims (9)

1. Brake disc with fluid inner loop heat radiation structure, including the connecting axle between friction disk body and the wheel hub, connecting axle one end is fixed on wheel hub, its characterized in that: the friction disc body is arranged at the other end of the connecting shaft, an outer ring channel and two semicircular ring channels which are concentric are arranged in the friction disc body, the two semicircular ring channels are relatively independent and are positioned at the inner side of the outer ring channel, the outer ring channel is an open ring, a partition is arranged at the open ring position of the outer ring channel and is communicated with the corresponding semicircular ring channels at the same side, and water channel holes are respectively arranged at the other ends of the semicircular ring channels;
the friction disc body is composed of a main face disc and an auxiliary face disc, the main face disc is fixedly attached to the connecting shaft, the auxiliary face disc is located on the outer side of the main face disc, the outer ring channel and the semicircular ring channel are mainly located on the main face disc, an opening is formed in one side, facing the auxiliary face disc, of the auxiliary face disc, a structure matched with the main face disc is arranged on the auxiliary face disc, and the auxiliary face disc forms a closed one-way circulation channel after being attached to the main face disc;
two water passage holes on the friction disc body respectively extend out to correspond to two threaded holes set on the upper auxiliary stop ring, and two through holes matched with the connecting shaft and the hub mounting end face are arranged on the connecting shaft and the hub mounting end face and used for mounting water pipes.
2. A brake disc having a structure for dissipating heat generated by internal circulation of fluid according to claim 1, wherein: a plurality of threaded holes are uniformly and respectively formed in a ring surface at one end, where the connecting shaft and the friction disc body are fixedly installed, a main stop ring extends in the axial direction of the connecting shaft, a plurality of main stop grooves are uniformly distributed on the main stop ring, main stop protrusions matched with the main stop grooves are respectively arranged on inner ring surfaces corresponding to the main face disc and the auxiliary face disc, mounting holes coaxial with the threaded holes in the connecting shaft are arranged in the main stop protrusions, the mounting holes correspond to the threaded holes one by one, bolts are arranged in the threaded holes, and the bolts sequentially penetrate through the mounting holes in the auxiliary face disc and the main face disc and finally are screwed in the threaded holes; an auxiliary stop ring radially extends out of the upper edge of the connecting shaft along the end face, an auxiliary stop groove is formed in the auxiliary stop ring, the whole auxiliary stop ring is in a gear shape, and an auxiliary stop recess matched with the auxiliary stop ring is formed in the side direction of the main face disc corresponding to one side of the auxiliary stop ring.
3. A brake disc having a structure for dissipating heat generated by internal circulation of fluid according to claim 2, wherein: the water pipe hole position on the main stop ring is provided with a boss, the boss is provided with a slide block of a water channel, two arc-shaped water channels are arranged in the slide block, one end of each arc-shaped water channel corresponds to the water channel hole on the friction disc body, the other end of each arc-shaped water channel corresponds to the threaded hole of the auxiliary stop ring of the connecting shaft, the two ends of each arc-shaped water channel are provided with sealing ring grooves, and the slide block is screwed into the bolt through the mounting hole in the central position and is fixed on the auxiliary stop ring on the connecting shaft; the peripheral outer edge of the auxiliary panel is provided with a third stopping groove, and the main panel is provided with a third stopping bulge matched with the third stopping groove on the auxiliary panel; a plurality of main stop protrusions are uniformly distributed on the inner annular surface of the auxiliary face disc and extend towards the main stop grooves, the inner annular surface of the main face disc is matched with the main face disc to retract to a corresponding distance, cylindrical grooves are arranged in the plurality of main stop protrusions on the auxiliary face disc, and the cylindrical grooves are matched with nuts of bolts.
4. A brake disc having a structure for dissipating heat generated by internal circulation of fluid according to claim 2, wherein: the through hole on the connecting shaft corresponds to the water channel hole, and the connecting shaft is provided with a water pipe groove which corresponds to the through hole and the water channel hole; the auxiliary stop groove of the auxiliary stop ring is a semicircular groove, and the auxiliary stop recess on the friction disc body is still matched with the auxiliary stop groove; the threaded rod outwards extends from the original threaded hole in an integrally formed mode, and outwards penetrates through the mounting holes of the main face disc and the auxiliary face disc.
5. A brake disc having a structure for dissipating heat generated by internal circulation of fluid according to claim 3, wherein: the through hole on the connecting shaft corresponds to the water channel hole, and the connecting shaft is provided with a water pipe groove which corresponds to the through hole and the water channel hole; the auxiliary stop groove of the auxiliary stop ring is a semicircular groove, and the auxiliary stop recess on the friction disc body is still matched with the auxiliary stop groove; the threaded rod outwards extends from the original threaded hole in an integrally formed mode, and outwards penetrates through the mounting holes of the main face disc and the auxiliary face disc.
6. A brake disc having a structure for dissipating heat by internal circulation of fluid according to any one of claims 1 to 5, wherein: the connecting shaft is provided with two straight water channels which penetrate through along the axial direction, one side of each straight water channel, which is close to the friction disc body, is provided with an arc-shaped water channel which is matched with a water channel hole in the friction disc body, and the end head of the other side of each straight water channel is provided with a sealing ring groove.
7. A brake disc having a structure for dissipating heat generated by internal circulation of fluid according to any one of claims 1 to 5, wherein: the friction disc body is divided into more than two independent channels, the two ends of each channel are respectively provided with a water inlet and a water outlet, and the independent channels are still laminated by the main face disc and the auxiliary face disc to form a closed internal circulation channel.
8. A brake disc having a structure for dissipating heat generated by internal circulation of fluid according to claim 1, wherein: the connecting shaft and the circular friction disc body are integrally molded and cast, a hollow water channel is arranged in the friction disc body, a plurality of sand discharge holes are reserved in an outer ring channel and an inner ring channel of the friction disc body and respectively correspond to an outer ring channel and a semicircular ring channel, threaded small holes are formed in two sides of each sand discharge hole and used for installing a plugging sheet, and the plugging sheet is used for plugging the sand discharge holes to form an internal sealing space.
9. A brake disc having a structure for dissipating heat generated by internal circulation of fluid according to claim 6, wherein: the connecting shaft and the circular friction disc body are integrally molded and cast, a hollow water channel is arranged in the friction disc body, a plurality of sand discharge holes are reserved in an outer ring channel and an inner ring channel of the friction disc body and respectively correspond to an outer ring channel and a semicircular ring channel, threaded small holes are formed in two sides of each sand discharge hole and used for installing a plugging sheet, and the plugging sheet is used for plugging the sand discharge holes to form an internal sealing space.
CN202211169935.3A 2022-09-26 2022-09-26 Brake disc with fluid internal circulation heat radiation structure Active CN115467918B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019806A1 (en) * 1990-06-21 1992-01-02 Knorr Bremse Ag Disc brake with internally ventilated disc - has ventilation hole with spray nozzle for water, and ventilation space, friction rings and pipe
WO2000008351A1 (en) * 1998-08-05 2000-02-17 Pierino Pistis Closed circuit disc brake cooling device
CN105387100A (en) * 2015-12-23 2016-03-09 苏州市凯业金属制品有限公司 Compound brake device
DE102017222339A1 (en) * 2017-12-11 2019-06-13 Bayerische Motoren Werke Aktiengesellschaft Cooling device for an internally ventilated brake disc
CN110206835A (en) * 2019-07-04 2019-09-06 北京优加特福乐科技有限公司 Interior circulating cooling type brake disc
CN211969397U (en) * 2020-04-09 2020-11-20 北京优加特福乐科技有限公司 Quick radiating braking system
CN113513549A (en) * 2020-04-09 2021-10-19 北京优加特福乐科技有限公司 Internal circulation water-cooling brake
CN215097521U (en) * 2021-03-01 2021-12-10 玉溪云庆商贸有限公司 Internal circulation heat dissipation system for truck brake disc water and antifreeze
CN218031180U (en) * 2022-09-26 2022-12-13 玉溪云庆行科技有限公司 Brake disc with fluid internal circulation heat dissipation structure

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019806A1 (en) * 1990-06-21 1992-01-02 Knorr Bremse Ag Disc brake with internally ventilated disc - has ventilation hole with spray nozzle for water, and ventilation space, friction rings and pipe
WO2000008351A1 (en) * 1998-08-05 2000-02-17 Pierino Pistis Closed circuit disc brake cooling device
CN105387100A (en) * 2015-12-23 2016-03-09 苏州市凯业金属制品有限公司 Compound brake device
DE102017222339A1 (en) * 2017-12-11 2019-06-13 Bayerische Motoren Werke Aktiengesellschaft Cooling device for an internally ventilated brake disc
CN110206835A (en) * 2019-07-04 2019-09-06 北京优加特福乐科技有限公司 Interior circulating cooling type brake disc
CN211969397U (en) * 2020-04-09 2020-11-20 北京优加特福乐科技有限公司 Quick radiating braking system
CN113513549A (en) * 2020-04-09 2021-10-19 北京优加特福乐科技有限公司 Internal circulation water-cooling brake
CN215097521U (en) * 2021-03-01 2021-12-10 玉溪云庆商贸有限公司 Internal circulation heat dissipation system for truck brake disc water and antifreeze
CN218031180U (en) * 2022-09-26 2022-12-13 玉溪云庆行科技有限公司 Brake disc with fluid internal circulation heat dissipation structure

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