CN108223631A - The pin type wheel hub brake disk assembly for commercial car with heat dissipation and reinforcing rib - Google Patents
The pin type wheel hub brake disk assembly for commercial car with heat dissipation and reinforcing rib Download PDFInfo
- Publication number
- CN108223631A CN108223631A CN201711463311.1A CN201711463311A CN108223631A CN 108223631 A CN108223631 A CN 108223631A CN 201711463311 A CN201711463311 A CN 201711463311A CN 108223631 A CN108223631 A CN 108223631A
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- China
- Prior art keywords
- spline
- wheel hub
- reinforcing rib
- hole
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 55
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 103
- 230000000712 assembly Effects 0.000 claims abstract description 39
- 238000000429 assembly Methods 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000008961 swelling Effects 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
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
-
- 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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
-
- 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
- F16D65/123—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting
-
- 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
- F16D2065/1392—Connection elements
- F16D2065/1396—Ancillary resilient elements, e.g. anti-rattle or retraction springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A kind of band heat dissipation and the pin type wheel hub brake disk assembly for commercial car of reinforcing rib, including the wheel hub being made of wheelboss flange and hub bearing position, brake disc includes brake disc ontology, the disk inner ring of brake disc ontology towards wheel hub side is equipped with connection keyway, hub bearing position is equipped with connection spline, brake disc ontology is by connecting keyway and connection spline on hub bearing position, spline is connected towards the positioning reinforcing rib for being equipped with protrusion connection spline top surface on the side of wheelboss flange with the outer wall of hub bearing position, at least one connection spline top surface is equipped with the first half-round cross hole through positioning reinforcing rib, it is correspondingly connected in keyway and is equipped with the second half-round cross hole, expandable fixation assemblies are housed in the full circle through-hole that the second half-round cross hole and the first half-round cross hole are formed；Spline ventilation hole is equipped between adjacent two connections spline root, flange ventilation hole is along the circumferential direction equipped on wheelboss flange, ventilation hole reinforcing rib is equipped between adjacent two flanges ventilation hole.Suitable for commercial car.
Description
Technical field
The present invention relates to commercial car field of hub, more particularly to a kind of heat dissipation of band and the pin for commercial car of reinforcing rib
Shaft type hub brake disk assembly.
Background technology
At present, Medium or severe type truck and Passenger Vehicle are widely used in highway transportation and engineering transportation, wheel hub brake disc
Assembly is as an important transmission link between ground and vehicle body, and which determine the traffic safeties and economy of vehicle.It is existing
Wheel hub brake disk assembly generally comprise wheel hub and brake disc, wherein, wheel hub is made of wheelboss flange and hub bearing position, braking
Disk is made of brake disc ontology and brake disc sleeve, and brake disc is sleeved on the hub bearing position of wheel hub simultaneously by brake disc sleeve
It is fixed by fixing bolt.This existing wheel hub brake disk assembly has the following problems in actual use：
1st, it is sleeved on the hub bearing position of wheel hub and is fixed by fixing bolt, institute by brake disc sleeve due to brake disc
It can be by very big shearing force with fixing bolt；
2nd, since fixing bolt is fixed on brake disc sleeve and the connecting portion of hub bearing position, so the braking of brake disc
The stress point of power and fixing bolt is not in approximately the same plane, and brake force and stress point are in the axial direction there are certain distance, in this way
A moment of flexure will be generated, so as to further increase the stress of fixing bolt；
3rd, since brake disc is sleeved on by brake disc sleeve on the hub bearing position of wheel hub, so entire wheel hub brake disc
Assembly is enclosed construction, causes radiating efficiency not high, and amount of heat gathers the system that can seriously affect brake disc on the disc brake rotor
Dynamic effect, so as to which traffic safety can be influenced.
Invention content
The purpose of the invention is to overcome the shortcomings of above-mentioned background technology, being used for for a kind of heat dissipation of band and reinforcing rib is provided
The pin type wheel hub brake disk assembly of commercial car.
In order to achieve the goal above, the pin type wheel for commercial car of a kind of band heat dissipation provided by the invention and reinforcing rib
Hub brake disk assembly, including wheel hub and brake disc, wherein, the wheel hub is made of wheelboss flange and hub bearing position, the system
Moving plate includes brake disc ontology, and the brake disc ontology is towards being along the circumferential direction equipped on the inner ring of the disk of the wheel hub side
Several connect keyways, and the corresponding position for installing the brake disc ontology is along the circumferential direction set on the outer wall of the hub bearing position
Have and pass through the connection keyway and the connection spline with the connection matched connection spline of keyway, the brake disc ontology
On the hub bearing position, the connection spline towards on the side of the wheelboss flange with the hub bearing position
Corresponding position is equipped with positioning reinforcing rib on outer wall, and the top surface of the positioning reinforcing rib protrusion connection spline is at least one
The top surface upper edge of the connection spline is axially arranged with the first half-round cross hole, and first half-round cross hole axially penetrates through corresponding described
Spline and the corresponding positioning reinforcing rib are connected, the second half-round cross hole, institute are equipped in an axial direction in the corresponding connection keyway
It states the second half-round cross hole and axially penetrates through the corresponding connection keyway, second half-round cross hole and the first half-round cross hole institute
Expandable fixation assemblies are installed in the full circle through-hole of composition；Lead between the root of the two neighboring connection spline equipped with spline
Air holes is along the circumferential direction equipped with several flange ventilation holes that can be connected with the spline ventilation hole, phase on the wheelboss flange
Ventilation hole reinforcing rib is equipped between adjacent two flange ventilation holes.
By along the circumferential direction opening up connection keyway on inner ring of the brake disc ontology towards the disk of wheel hub side, and
The position of corresponding installation brake disc ontology is along the circumferential direction added with connecting the matched company of keyway on the outer wall of hub bearing position
Spline is connect, such brake disc can be mounted on by spline connection mode radial positioning on wheel hub, then again by inflatable solid
Determining the cooperation between component and full circle through-hole can be axially installed in brake disc on wheel hub, it is this combination mounting means by
In employing spline structure, connection spline plays the role of main stress, so expandable fixation assemblies are only merely to play positioning
Effect, stress is very small, smaller so as to be sized to, in order to install the maintenance with the later stage, and service life
It is longer；Simultaneously as the load that spline can bear is larger, so further increasing service life；Moreover, because spline
Stress point and brake disc brake force in approximately the same plane, so moment of flexure will not be generated, so as to significantly improve spline
Force status, and then further improve service life；Again and, since brake disc ontology is directly pacified by spline structure
On hub bearing position, so brake disc need not redesign brake disc sleeve, so as to greatly reduce the weight of this assembly,
Be conducive to the lightweight of vehicle, more energy efficient environmental protection；Then, led to by opening up spline between the root of two neighboring connection spline
Air holes, and several flange ventilation holes that can be connected with spline ventilation hole are along the circumferential direction opened up on wheelboss flange, it is empty in this way
Gas can circulate in this assembly, so as to greatly increase the radiating efficiency of this assembly, ensure traffic safety；Followed by logical
It crosses the position corresponding on the outer wall of hub bearing position on side of the connection spline towards wheelboss flange and adds positioning reinforcing rib,
And make the top surface of positioning reinforcing rib protrusion connection spline, in this way, on the one hand the positioning reinforcing rib added can play connection spline
On the other hand the effect strengthened to intensity can also play the role of brake disc ontology installation positioning；In addition, by by the first half
Round tube hole is designed to, through positioning reinforcing rib, on the one hand facilitate the installation of expandable fixation assemblies in this way, on the other hand dismantle
When, expandable fixation assemblies can support out from one end towards wheelboss flange of full circle through-hole, so as to facilitate inflatable fixed group
The dismounting of part；Finally, by adding ventilation hole reinforcing rib between two flange ventilation holes, flange ventilation hole can be increased in this way
Intensity.
In said program, the expandable fixation assemblies include expansion axle sleeve, expansion axis pin and expansion nut, described swollen
The side wall of swelling shaft set is equipped with inflation openings, and the inner surface of the expansion axle sleeve is the conical surface, one end appearance of the expansion axis pin
Face is the matched conical surface of inner surface with the expansion axle sleeve, and the other end outer surface of the expansion axis pin is equipped with screw thread, institute
It states expansion axle sleeve to be sleeved on the conical surface end of the expansion axis pin, the expansion nut is sleeved on the end of thread of the expansion axis pin
On, the expansion axle sleeve is mounted on the expansion axis pin expansion in the full circle through-hole.
In said program, the end face of the expansion nut towards the expansion axle sleeve is equipped with locating flange, described fixed
The outer diameter of position flange is more than the internal diameter of the full circle through-hole.By adding positioning on the end face of expansion nut direction expansion axle sleeve
Flange, in this way, brake disc ontology can be against on the basis of locating flange towards on the disk of wheel hub side, then installation can be swollen
Swollen fixation kit, to ensure that the installation site of expandable fixation assemblies is correct.
In said program, each full circle through-hole is corresponded to is located at the hub bearing there are one the flange ventilation hole
On the same busbar of position.It is located at the same of hub bearing position there are one the flange ventilation hole by corresponding to each full circle through-hole
On busbar, i.e., each full circle through-hole be located on the same busbar of hub bearing position with corresponding flange ventilation hole so that it is convenient to from
Flange disposed at air vent auxiliary dismounting expandable fixation assemblies.
In said program, the internal diameter of the brake disc ontology towards the disk of the wheel hub side is less than the brake disc
Ontology is backwards to the internal diameter of the disk of the wheel hub side.By the way that internal diameter of the brake disc ontology towards the disk of wheel hub side is designed
Into the internal diameter less than brake disc ontology backwards to the disk of the wheel hub side, the both sides that can guarantee this assembly in this way are perforations,
So as to improve radiating efficiency.
In said program, the quantity of the flange ventilation hole is more than the quantity of the spline ventilation hole.By by flange
The quantitative design of ventilation hole can increase intake in this way into the quantity more than spline ventilation hole.
In said program, each spline ventilation hole is corresponded to is located at the hub spindle there are one the flange ventilation hole
It holds on the same busbar of position.It is located at the same of hub bearing position there are one flange ventilation hole by designing each spline ventilation hole and corresponding to
On one busbar, i.e., each spline ventilation hole is located at corresponding flange ventilation hole on the same busbar of hub bearing position, has in this way
Conducive to the flowing of air, radiating efficiency is improved.
In said program, the spline ventilation hole is arc structure.By being arc structure by spline vents design,
On the one hand be conducive to the flowing of air in this way, improve radiating efficiency, be on the other hand avoided that stress concentration, ensure connection flower
The intensity of key.
In said program, the flange ventilation hole is arc structure.By being arc structure by flange vents design,
On the one hand be conducive to the flowing of air in this way, improve radiating efficiency, be on the other hand avoided that stress concentration, ensure wheel hub method
Blue intensity.
In said program, the quantity of the expandable fixation assemblies is 5 groups, expandable fixation assemblies edge circle described in 5 groups
Circumferential direction is evenly arranged.
The advantageous effect that technical solution provided by the invention is brought is：
1st, by along the circumferential direction opening up connection keyway on inner ring of the brake disc ontology towards the disk of wheel hub side, and
The position of corresponding installation brake disc ontology along the circumferential direction adds and to connect keyway matched on the outer wall of hub bearing position
Spline is connected, such brake disc can be mounted on by spline connection mode radial positioning on wheel hub, then again by inflatable
Brake disc can be axially installed on wheel hub by the cooperation between fixation kit and full circle through-hole, this combination mounting means
As a result of spline structure, connection spline plays the role of main stress, so expandable fixation assemblies are only merely to play to determine
Position effect, stress is very small, smaller so as to be sized to, and in order to install the maintenance with the later stage, and uses the longevity
Life is longer；
2nd, the load that can bear due to spline is larger, so further increasing service life；
3rd, since the brake force of the stress point of spline and brake disc is in approximately the same plane, so moment of flexure will not be generated, from
And the force status of spline is significantly improved, and then further improve service life；
4th, since brake disc ontology is directly mounted on by spline structure on hub bearing position, so brake disc without setting again
Brake disc sleeve is counted, so as to greatly reduce the weight of this assembly, is conducive to the lightweight of vehicle, more energy efficient environmental protection；
5th, by opening up spline ventilation hole, and on wheelboss flange circumferentially between the root of two neighboring connection spline
Direction opens up several flange ventilation holes that can be connected with spline ventilation hole, and such air can circulate in this assembly, so as to big
The earth improves the radiating efficiency of this assembly, has ensured traffic safety；
6th, by side of the connection spline towards wheelboss flange position corresponding on the outer wall of hub bearing position add
Position reinforcing rib is set, and makes the top surface of positioning reinforcing rib protrusion connection spline, in this way, the positioning reinforcing rib that adds on the one hand can be with
Play the role of intensity to connection spline to strengthen, installation positioning on the other hand can also be played to brake disc ontology；
7th, by being designed to the first half-round cross hole through positioning reinforcing rib, inflatable fixed group is on the one hand facilitated in this way
The installation of part, when on the other hand dismantling, expandable fixation assemblies can support out from one end towards wheelboss flange of full circle through-hole, from
And facilitate the dismounting of expandable fixation assemblies；
8th, by adding locating flange on the end face of expansion nut direction expansion axle sleeve, in this way, can be with locating flange
On the basis of be against brake disc ontology towards on the disk of wheel hub side, then expandable fixation assemblies are installed, to ensure may expand
The installation site of fixation kit is correct；
9th, by corresponding to each full circle through-hole, there are one the same busbares that the flange ventilation hole is located at hub bearing position
On, i.e., each full circle through-hole is located on the same busbar of hub bearing position with corresponding flange ventilation hole so that it is convenient to from flange
Disposed at air vent auxiliary dismounting expandable fixation assemblies；
10th, by adding ventilation hole reinforcing rib between two flange ventilation holes, the strong of flange ventilation hole can be increased in this way
Degree；
11st, by being designed to be less than brake disc ontology backwards to institute by internal diameter of the brake disc ontology towards the disk of wheel hub side
The internal diameter of the disk of wheel hub side is stated, the both sides that can guarantee this assembly in this way are perforations, so as to improve radiating efficiency；
12nd, by the way that into the quantity more than spline ventilation hole, the quantitative design of flange ventilation hole can be increased intake in this way；
13rd, by designing each spline ventilation hole correspondence, there are one the same busbares that flange ventilation hole is located at hub bearing position
On, i.e., each spline ventilation hole is located at corresponding flange ventilation hole on the same busbar of hub bearing position, is conducive to sky in this way
The flowing of gas, improves radiating efficiency；
14th, by being arc structure by spline vents design, be on the one hand conducive to the flowing of air in this way, improve scattered
On the other hand the thermal efficiency is avoided that stress concentration, ensured the intensity of connection spline；
15th, by being arc structure by flange vents design, be on the one hand conducive to the flowing of air in this way, improve scattered
On the other hand the thermal efficiency is avoided that stress concentration, ensured the intensity of wheelboss flange.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is another viewing angle constructions schematic diagram of Fig. 1；
Fig. 3 is the main structure diagram of Fig. 1；
Fig. 4 is the backsight structural representation of Fig. 1；
Fig. 5 is the cross-sectional view of the line A-A along Fig. 4；
Fig. 6 is the side structure schematic view of Fig. 1；
Fig. 7 is the structure diagram of wheel hub；
Fig. 8 is another viewing angle constructions schematic diagram of Fig. 7；
Fig. 9 is the main structure diagram of Fig. 7；
Figure 10 is the backsight structural representation of Fig. 7；
Figure 11 is the cross-sectional view of the line B-B along Figure 10；
Figure 12 is the side structure schematic view of Fig. 7；
Figure 13 is the structure diagram of brake disc；
Figure 14 is the main structure diagram of Figure 13；
Figure 15 is the side structure schematic view of Figure 13；
Figure 16 is the configuration schematic diagram of the present invention；
Figure 17 is another viewing angle constructions schematic diagram of Figure 16；
Figure 18 is the main structure diagram of Figure 16；
Figure 19 is another configuration schematic diagram of the present invention；
Figure 20 is the structure diagram of expandable fixation assemblies；
Figure 21 is the main structure diagram of Figure 20；
Figure 22 is the side structure schematic view of Figure 20；
Figure 23 is the cross-sectional view of the line C-C along Figure 22；
Figure 24 is the configuration schematic diagram of expandable fixation assemblies.
In figure：Wheel hub 1, wheelboss flange 1a, hub bearing position 1b connect spline 1c, position reinforcing rib 1d, and the first semicircle leads to
Hole 1e, spline ventilation hole 1f, flange ventilation hole 1g, ventilation hole reinforcing rib 1h, brake disc 2, brake disc ontology 2a connect keyway
2b, the second half-round cross hole 2c, expandable fixation assemblies 3 expand axle sleeve 3a, expand axis pin 3b, expansion nut 3c, inflation openings
3d, locating flange 3e.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments, but the embodiment should not be construed as pair
The limitation of the present invention.
Embodiment：A kind of band heat dissipation and the pin type wheel hub brake disk assembly for commercial car of reinforcing rib, including wheel hub 1
With brake disc 2, wherein, the wheel hub 1 is made of wheelboss flange 1a and hub bearing position 1b, the brake disc 2 include brake disc
Ontology 2a, the brake disc ontology 2a are towards being along the circumferential direction equipped with several companies on the inner ring of the disk of 1 side of wheel hub
Keyway 2b is met, the corresponding position for installing the brake disc ontology 2a is along the circumferential direction equipped on the outer wall of the hub bearing position 1b
Pass through the connection keyway 2b and the company with matched connection the spline 1c, the brake disc ontology 2a of connection keyway 2b
Spline 1c is met on the hub bearing position 1b, the connection spline 1c towards on the side of the wheelboss flange 1a with institute
It states corresponding position on the outer wall of hub bearing position 1b and is equipped with positioning reinforcing rib 1d, the positioning reinforcing rib 1d protrusions connection
The top surface of spline 1c, the positioning reinforcing rib 1d is for brake disc ontology 2a described in location and installation and for increasing the connection flower
The intensity of key 1c, the top surface upper edge of at least one connection spline 1c are axially arranged with the first half-round cross hole 1e, and described the first half
Round tube hole 1e axially penetrates through the corresponding connection spline 1c and corresponding positioning reinforcing rib 1d, the corresponding connecting key
In slot 2b the corresponding connection keyway is axially penetrated through equipped with the second half-round cross hole 2c, the second half-round cross hole 2c in an axial direction
Inflatable fixed group is installed in the full circle through-hole that 2b, the second half-round cross hole 2c are formed with the first half-round cross hole 1e
Part 3；Circumferentially side is equipped on spline ventilation hole 1f, the wheelboss flange 1a between the root of the two neighboring connection spline 1c
To the flange ventilation hole 1g that can be connected equipped with several with the spline ventilation hole 1f.
By along the circumferential direction opening up connection keyway on inner rings of the brake disc ontology 2a towards the disk of 1 side of wheel hub
2b, and the position of corresponding installation brake disc ontology 2a is along the circumferential direction added with connecting keyway on the outer wall of hub bearing position 1b
The matched connection spline 1c of 2b, such brake disc 2 can be mounted on by spline connection mode radial positioning on wheel hub 1, so
Brake disc 2 can be axially installed in by wheel hub 1 by the cooperation between expandable fixation assemblies 3 and full circle through-hole again afterwards
On, this combination mounting means plays the role of main stress as a result of spline structure, connection spline 1c, so inflatable solid
It is only merely to play positioning action to determine component 3, and stress is very small, smaller so as to be sized to, in order to install
With the maintenance in later stage, and service life is longer；Simultaneously as the load that spline can bear is larger, so further improving
Service life；Moreover, because the stress point of spline and the brake force of brake disc is in approximately the same plane, so will not generate curved
Square so as to significantly improve the force status of spline, and then further improves service life；Again and, due to braking
Disk ontology 2a is directly mounted on by spline structure on the 1b of hub bearing position, so brake disc 2 need not redesign brake disc sleeve,
So as to greatly reduce the weight of this assembly, be conducive to the lightweight of vehicle, more energy efficient environmental protection；Then, by adjacent two
Open up spline ventilation hole 1e between the root of a connection spline 1c, and along the circumferential direction open up several on wheelboss flange 1a can
The flange ventilation hole 1f connected with spline ventilation hole 1e, such air can circulate in this assembly, so as to greatly increase this
The radiating efficiency of assembly, has ensured traffic safety；Followed by, by connection spline 1c towards on the side of wheelboss flange 1a with
Corresponding position adds positioning reinforcing rib 1d on the outer wall of hub bearing position 1b, and makes positioning reinforcing rib 1d protrusion connection splines 1c
Top surface, strengthen in this way, on the one hand the positioning reinforcing rib 1d that adds can play the role of intensity to connection spline 1c, the opposing party
Face can also play the role of brake disc ontology 2a installation positioning；Finally, by being designed to the first half-round cross hole 1e through fixed
On the one hand position reinforcing rib 1d facilitates the installation of expandable fixation assemblies 3 in this way, when on the other hand dismantling, may expand fixed group
Part 3 can support out from one end towards wheelboss flange 1a of full circle through-hole, so as to facilitate the dismounting of expandable fixation assemblies 3.
Above-mentioned expandable fixation assemblies 3 include expansion axle sleeve 3a, expansion axis pin 3b and expansion nut 3c, the expansion axle sleeve
The side wall of 3a is equipped with inflation openings 3d, and the inner surface of the expansion axle sleeve 3a is the conical surface, outside one end of the expansion axis pin 3b
Surface is the matched conical surface of inner surface with the expansion axle sleeve 3a, and the other end outer surface of the expansion axis pin 3b is equipped with spiral shell
Line, the expansion axle sleeve 3a are sleeved on the conical surface end of the expansion axis pin 3b, and the expansion nut 3c is sleeved on the expansion
On the end of thread of axis pin 3b, the expansion axle sleeve 3a is mounted on the expansion axis pin 3b expansions in the full circle through-hole.It is described
Outer diameter of the end face equipped with locating flange 3e, the locating flange 3e of expansion nut 3c towards the expansion axle sleeve 3a are more than institute
State the internal diameter of full circle through-hole.By adding locating flange 3e on the end face of expansion nut 3c direction expansion axle sleeves 3a, in this way, can
It is fixed by being against brake disc ontology 2a on the basis of locating flange 3e towards on the disk of 1 side of wheel hub, then installation is inflatable
Component 3, to ensure that the installation site of expandable fixation assemblies 3 is correct.
Each full circle through-hole is corresponded to is located at the same of the hub bearing position 1b there are one the flange ventilation hole 1g
On busbar.By corresponding to each full circle through-hole, there are one the same busbares that the flange ventilation hole 1g is located at hub bearing position 1b
On, i.e., each full circle through-hole be located on the same busbar of hub bearing position 1b with corresponding flange ventilation hole 1g so that it is convenient to from
Auxiliary dismounting expandable fixation assemblies 3 at flange ventilation hole 1g.Ventilation hole is equipped between the two neighboring flange ventilation hole 1g
Reinforcing rib 1h.By adding ventilation hole reinforcing rib 1h between two flange ventilation hole 1g, flange ventilation hole 1g can be increased in this way
Intensity.
The internal diameter of above-mentioned brake disc ontology 2a towards the disk of 1 side of wheel hub is less than the brake disc ontology 2a backwards
The internal diameter of the disk of 1 side of wheel hub.It is small by the way that internal diameters of the brake disc ontology 2a towards the disk of 1 side of wheel hub is designed to
In brake disc ontology 2a backwards to the internal diameter of the disk of 1 side of wheel hub, the both sides that can guarantee this assembly in this way are perforations, from
And improve radiating efficiency.The quantity of the flange ventilation hole 1g is more than the quantity of the spline ventilation hole 1f.By by flange
The quantitative design of ventilation hole 1g can increase intake in this way into the quantity more than spline ventilation hole 1f.Each spline ventilation
Hole 1f, which is corresponded to, to be located at there are one the flange ventilation hole 1g on the same busbar of the hub bearing position 1b.By designing each flower
Key ventilation hole 1f, which is corresponded to, to be located at there are one flange ventilation hole 1g on the same busbar of hub bearing position 1b, i.e., each spline ventilation hole
1f is located at corresponding flange ventilation hole 1g on the same busbar of hub bearing position 1b, is conducive to the flowing of air in this way, improves
Radiating efficiency.
Above-mentioned spline ventilation hole 1f is arc structure.By the way that spline ventilation hole 1f is designed as arc structure, such side
Face is conducive to the flowing of air, improves radiating efficiency, is on the other hand avoided that stress concentration, has ensured that connection spline 1c's is strong
Degree.The flange ventilation hole 1g is arc structure.It is on the one hand advantageous in this way by the way that flange ventilation hole 1g is designed as arc structure
In the flowing of air, radiating efficiency is improved, is on the other hand avoided that stress concentration, ensured the intensity of wheelboss flange 1a.Institute
The quantity for stating expandable fixation assemblies 3 is 5 groups, and expandable fixation assemblies 3 are evenly distributed in the circumferential direction described in 5 groups.
The assembly method of above-mentioned wheel hub brake disk assembly is as follows：
A, the connection spline being directed at the connection keyway 2b on the brake disc ontology 2a on the wheel hub 1
1c, and the first half-round cross hole 1e is made to be directed at the corresponding second half-round cross hole 2c, pass through the company of mutual cooperation
It meets spline 1c and the brake disc ontology 2a radial positionings is mounted on wheel hub 1 by the connection keyway 2b；
B, by the brake disc ontology 2a axial compressions on the positioning reinforcing rib 1d；
C, the expandable fixation assemblies 3 are inserted by the second half-round cross hole 2c and the first half-round cross hole 1e
In the full circle through-hole formed, and the expandable fixation assemblies 3 are expanded so that the brake disc ontology 2a axial restraints are installed
On the wheel hub 1.
Wherein, when assembling expandable fixation assemblies 3, it will first cover and install the expansion axle sleeve 3a's and expansion nut 3c
The expansion axis pin 3b is inserted into the full circle through-hole, and makes the locating flange 3e with the full circle through-hole backwards to described
The end face of wheelboss flange 1a offsets, and then tightening the expansion nut 3c expands the expandable fixation assemblies 3.
The present embodiment passes through the along the circumferential direction company of opening up on inner rings of the brake disc ontology 2a towards the disk of 1 side of wheel hub
Keyway 2b is met, and the position of corresponding installation brake disc ontology 2a is along the circumferential direction added with connecting on the outer wall of hub bearing position 1b
The matched connection spline 1c of keyway 2b are met, such brake disc 2 can be mounted on wheel hub 1 by spline connection mode radial positioning
On, brake disc 2 then can be axially installed in by wheel by the cooperation between expandable fixation assemblies 3 and full circle through-hole again
On hub 1, this combination mounting means is as a result of spline structure, and connection spline 1c plays the role of main stress, so can be swollen
Swollen fixation kit 3 is only merely to play positioning action, and stress is very small, smaller so as to be sized to, in order to
Installation and the maintenance in later stage, and service life is longer；Since the load that spline can bear is larger, so further increasing
Service life；Since the stress point of spline and the brake force of brake disc are in approximately the same plane, so moment of flexure will not be generated, so as to
The force status of spline is significantly improved, and then further improves service life；Since brake disc ontology 2a is direct
It is mounted on the 1b of hub bearing position by spline structure, so brake disc 2 need not redesign brake disc sleeve, so as to greatly subtract
The light weight of this assembly, is conducive to the lightweight of vehicle, more energy efficient environmental protection；By in the root of two neighboring connection spline 1c
Between open up spline ventilation hole 1e, and along the circumferential direction open up several on wheelboss flange 1a and can be connected with spline ventilation hole 1e
Flange ventilation hole 1f, such air can circulate in this assembly, so as to greatly increase the radiating efficiency of this assembly, ensure
Traffic safety；By in connection spline 1c towards corresponding on the outer wall of hub bearing position 1b on the side of wheelboss flange 1a
Position adds positioning reinforcing rib 1d, and makes the top surface of positioning reinforcing rib 1d protrusion connection splines 1c, in this way, the positioning added is strengthened
On the one hand muscle 1d can play the role of intensity to connection spline 1c and strengthen, on the other hand can also play peace to brake disc ontology 2a
Set the effect of position；By the way that the first half-round cross hole 1e being designed to, on the one hand facilitating in this way can be swollen through positioning reinforcing rib 1d
The installation of swollen fixation kit 3, when on the other hand dismantling, expandable fixation assemblies 3 can be from full circle through-hole towards wheelboss flange 1a
One end support out, so as to facilitate the dismounting of expandable fixation assemblies 3.
In addition, the present embodiment adds locating flange 3e by being expanded in expansion nut 3c directions on the end face of axle sleeve 3a, this
Sample can be against brake disc ontology 2a towards on the disk of 1 side of wheel hub on the basis of locating flange 3e, and then installation is inflatable
Fixation kit 3, to ensure that the installation site of expandable fixation assemblies 3 is correct；By corresponding to each full circle through-hole, there are one institutes
It states flange ventilation hole 1g to be located on the same busbar of hub bearing position 1b, i.e., each full circle through-hole and corresponding flange ventilation hole 1g
The auxiliary dismounting expandable fixation assemblies 3 on the same busbar of hub bearing position 1b so that it is convenient at flange ventilation hole 1g；
By adding ventilation hole reinforcing rib 1h between two flange ventilation hole 1g, the intensity of flange ventilation hole 1g can be increased in this way；It is logical
It crosses and the internal diameter of brake disc ontology 2a towards the disk of 1 side of wheel hub is designed to be less than brake disc ontology 2a backwards to the wheel hub 1
The internal diameter of the disk of side, the both sides that can guarantee this assembly in this way are perforations, so as to improve radiating efficiency；By by flange
The quantitative design of ventilation hole 1g can increase intake in this way into the quantity more than spline ventilation hole 1f；By designing each spline
Ventilation hole 1f, which is corresponded to, to be located at there are one flange ventilation hole 1g on the same busbar of hub bearing position 1b, i.e., each spline ventilation hole 1f
It is located on the same busbar of hub bearing position 1b with corresponding flange ventilation hole 1g, is conducive to the flowing of air in this way, improves
Radiating efficiency；By the way that spline ventilation hole 1f is designed as arc structure, is on the one hand conducive to the flowing of air in this way, improves scattered
On the other hand the thermal efficiency is avoided that stress concentration, ensured the intensity of connection spline 1c；By the way that flange ventilation hole 1g is designed as
On the one hand arc structure is conducive to the flowing of air in this way, improve radiating efficiency, is on the other hand avoided that stress concentration, protects
The intensity of wheelboss flange 1a is hindered.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of band heat dissipation and the pin type wheel hub brake disk assembly for commercial car of reinforcing rib, including wheel hub (1) and braking
Disk (2), wherein, the wheel hub (1) is made of wheelboss flange (1a) and hub bearing position (1b), and the brake disc (2) includes system
Moving plate ontology (2a), which is characterized in that the brake disc ontology (2a) is towards the inner ring upper edge of the disk of the wheel hub (1) side
Circumferencial direction is equipped with several connection keyways (2b), is corresponded on the outer wall of the hub bearing position (1b) and installs the brake disc sheet
The position of body (2a) is along the circumferential direction equipped with and the matched connection spline (1c) of the connection keyway (2b), the brake disc sheet
Body (2a) connects keyway (2b) and the connection spline (1c) on the hub bearing position (1b) by described, the company
Connect spline (1c) towards on the side of the wheelboss flange (1a) with corresponding position on the outer wall of the hub bearing position (1b)
Equipped with positioning reinforcing rib (1d), the positioning reinforcing rib (1d) protrudes the top surface of the connection spline (1c), at least one described
The top surface upper edge of connection spline (1c) is axially arranged with the first half-round cross hole (1e), and first half-round cross hole (1e) axially penetrates through pair
The connection spline (1c) and the corresponding positioning reinforcing rib (1d) answered, the corresponding connection keyway (2b) are interior in an axial direction
Equipped with the second half-round cross hole (2c), second half-round cross hole (2c) axially penetrates through the corresponding connection keyway (2b), described
Expandable fixation assemblies are installed in the full circle through-hole that second half-round cross hole (2c) is formed with first half-round cross hole (1e)
(3)；Spline ventilation hole (1f), wheelboss flange (1a) upper edge are equipped between the root of the two neighboring connection spline (1c)
Circumferencial direction is equipped with several flange ventilation holes (1g) that can be connected with the spline ventilation hole (1f), the two neighboring flange
Ventilation hole reinforcing rib (1h) is equipped between ventilation hole (1g).
2. the pin type wheel hub brake disk assembly for commercial car as described in claim 1 with heat dissipation and reinforcing rib, special
Sign is that the expandable fixation assemblies (3) include expansion axle sleeve (3a), expansion axis pin (3b) and expansion nut (3c), described
The side wall for expanding axle sleeve (3a) is equipped with inflation openings (3d), and the inner surface of the expansion axle sleeve (3a) is the conical surface, the expansion
One end outer surface of axis pin (3b) is the matched conical surface of inner surface with the expansion axle sleeve (3a), the expansion axis pin (3b)
Other end outer surface be equipped with screw thread, it is described expansion axle sleeve (3a) be sleeved on it is described expansion axis pin (3b) conical surface end on, it is described
Expansion nut (3c) is sleeved on the end of thread of the expansion axis pin (3b), the expansion axle sleeve (3a) and the expansion axis pin
(3b) expansion is mounted in the full circle through-hole.
3. the pin type wheel hub brake disk assembly for commercial car as claimed in claim 2 with heat dissipation and reinforcing rib, special
Sign is that the end face of the expansion nut (3c) towards the expansion axle sleeve (3a) is equipped with locating flange (3e), the positioning
The outer diameter of flange (3e) is more than the internal diameter of the full circle through-hole.
4. the pin type wheel hub brake disk assembly for commercial car as described in claim 1 with heat dissipation and reinforcing rib, special
Sign is that there are one the flange ventilation holes (1g) positioned at the same of the hub bearing position (1b) for each full circle through-hole correspondence
On one busbar.
5. the pin type wheel hub brake disk assembly for commercial car as described in claim 1 with heat dissipation and reinforcing rib, special
Sign is that the internal diameter of the brake disc ontology (2a) towards the disk of the wheel hub (1) side is less than the brake disc ontology
(2a) is backwards to the internal diameter of the disk of the wheel hub (1) side.
6. the pin type wheel hub brake disk assembly for commercial car as described in claim 1 with heat dissipation and reinforcing rib, special
Sign is that the quantity of the flange ventilation hole (1g) is more than the quantity of the spline ventilation hole (1f).
7. the pin type wheel hub brake disk assembly for commercial car as claimed in claim 6 with heat dissipation and reinforcing rib, special
Sign is that each spline ventilation hole (1f) is corresponding, and there are one the flange ventilation holes (1g) positioned at the hub bearing position
On the same busbar of (1b).
8. the pin type wheel hub brake disk assembly for commercial car as described in claim 1 with heat dissipation and reinforcing rib, special
Sign is that the spline ventilation hole (1f) is arc structure.
9. the pin type wheel hub brake disk assembly for commercial car as described in claim 1 with heat dissipation and reinforcing rib, special
Sign is that the flange ventilation hole (1g) is arc structure.
10. the pin type wheel hub brake disk assembly for commercial car as described in claim 1 with heat dissipation and reinforcing rib, special
Sign is that the quantity of the expandable fixation assemblies (3) is 5 groups, and expandable fixation assemblies (3) described in 5 groups are along the circumferential direction equal
Even arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463311.1A CN108223631B (en) | 2017-12-28 | 2017-12-28 | Pin shaft type hub brake disc assembly with heat dissipation and reinforcing ribs for commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463311.1A CN108223631B (en) | 2017-12-28 | 2017-12-28 | Pin shaft type hub brake disc assembly with heat dissipation and reinforcing ribs for commercial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108223631A true CN108223631A (en) | 2018-06-29 |
| CN108223631B CN108223631B (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711463311.1A Active CN108223631B (en) | 2017-12-28 | 2017-12-28 | Pin shaft type hub brake disc assembly with heat dissipation and reinforcing ribs for commercial vehicle |
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| Country | Link |
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| CN (1) | CN108223631B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101027A (en) * | 2006-07-05 | 2008-01-09 | 哈尔德克斯制动产品股份公司 | Disc brake and spacer element |
| CN202194979U (en) * | 2011-07-06 | 2012-04-18 | 武汉元丰汽车零部件有限公司 | Braking part for automobiles |
| CN204110000U (en) * | 2014-09-18 | 2015-01-21 | 东风汽车公司 | A kind of plate disc brake mounting structure |
| CN206522384U (en) * | 2017-02-15 | 2017-09-26 | 三环集团有限公司 | A kind of slidably brake disc and hub unit |
| CN107314066A (en) * | 2016-10-24 | 2017-11-03 | 上海汇众汽车制造有限公司 | Split-type brake disc |
-
2017
- 2017-12-28 CN CN201711463311.1A patent/CN108223631B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101027A (en) * | 2006-07-05 | 2008-01-09 | 哈尔德克斯制动产品股份公司 | Disc brake and spacer element |
| CN202194979U (en) * | 2011-07-06 | 2012-04-18 | 武汉元丰汽车零部件有限公司 | Braking part for automobiles |
| CN204110000U (en) * | 2014-09-18 | 2015-01-21 | 东风汽车公司 | A kind of plate disc brake mounting structure |
| CN107314066A (en) * | 2016-10-24 | 2017-11-03 | 上海汇众汽车制造有限公司 | Split-type brake disc |
| CN206522384U (en) * | 2017-02-15 | 2017-09-26 | 三环集团有限公司 | A kind of slidably brake disc and hub unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108223631B (en) | 2024-05-14 |
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