CN108087464A - The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation - Google Patents

The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation Download PDF

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Publication number
CN108087464A
CN108087464A CN201711460554.XA CN201711460554A CN108087464A CN 108087464 A CN108087464 A CN 108087464A CN 201711460554 A CN201711460554 A CN 201711460554A CN 108087464 A CN108087464 A CN 108087464A
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China
Prior art keywords
spline
wheel hub
brake disc
expansion
connection
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CN201711460554.XA
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Chinese (zh)
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CN108087464B (en
Inventor
邴浩
常艳昌
范学林
翟剑锋
张晓虎
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HUBEI TRI-RING AXLE Co Ltd
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HUBEI TRI-RING AXLE Co Ltd
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Priority to CN201711460554.XA priority Critical patent/CN108087464B/en
Publication of CN108087464A publication Critical patent/CN108087464A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/78Features relating to cooling
    • F16D65/84Features relating to cooling for disc brakes
    • F16D65/847Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86Optimisation of rolling resistance, e.g. weight reduction 

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

Abstract

A kind of pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation,Including wheel hub and brake disc,Wheel hub is made of wheelboss flange and hub bearing position,Brake disc includes brake disc body,The disk inner ring of brake disc body towards wheel hub one side is equipped with connection keyway,Hub bearing position outer wall is equipped with connection spline,Brake disc body is mounted on by connecting keyway and connection spline on hub bearing position,Spline is connected towards being equipped with positioning reinforcing rib on the side of wheelboss flange with the outer wall of hub bearing position,Position reinforcing rib protrusion connection spline top surface,At least one connection spline top surface is equipped with the first half-round cross hole,First half-round cross hole is through connection spline and positioning reinforcing rib,It is correspondingly connected in keyway and is equipped with the second half-round cross hole,Second half-round cross hole is through connection keyway,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 the root of adjacent two connections spline.Suitable for commercial car.

Description

The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation
Technical field
The present invention relates to commercial car field of hub, more particularly to a kind of axis pin for commercial car of band brake disk heat dissipation Formula wheel 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 body 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 subject to 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, so 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, and the radiating efficiency for causing brake disc is not high, and amount of heat gathers can seriously affect system on the disc brake rotor The braking effect of Moving plate, so as to which traffic safety can be influenced.
The content of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technology, provide a kind of band brake disk heat dissipation is used for business With the pin type wheel hub brake disk assembly of vehicle.
In order to achieve the goal above, a kind of pin type wheel hub for commercial car of band brake disk heat dissipation provided by the invention Brake disk assembly, including wheel hub and brake disc, wherein, the wheel hub is made of wheelboss flange and hub bearing position, the braking Disk includes brake disc body, if the brake disc body is towards being along the circumferential direction equipped on the inner ring of the disk of the wheel hub one side A connection keyway is done, the corresponding position for installing the brake disc body is along the circumferential direction equipped on the outer wall of the hub bearing position With the connection matched connection spline of keyway, the brake disc body is pacified by the connection keyway and the connection spline On the hub bearing position, the connection spline is towards outer with the hub bearing position on the side of the wheelboss flange Corresponding position is equipped with positioning reinforcing rib, the top surface of the positioning reinforcing rib protrusion connection spline, at least one institute on wall It states and is equipped with the first half-round cross hole on the top surface of connection spline vertically, first half-round cross hole axially penetrates through the corresponding company Spline and the corresponding positioning reinforcing rib are connect, the second half-round cross hole is equipped with vertically in the corresponding connection keyway, it is described Second half-round cross hole axially penetrates through the corresponding connection keyway, second half-round cross hole and the first half-round cross hole institute group Into full circle through hole in expandable fixation assemblies are installed;Spline is equipped between the root of the two neighboring connection spline to divulge information Hole.
By along the circumferential direction opening up connection keyway on inner ring of the brake disc body towards the disk of wheel hub one side, and The position of corresponding installation brake disc body is along the circumferential direction added with being connected 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 body 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, such air can circulate at brake disc, so as to greatly increase the radiating efficiency of brake disc, ensure driving peace Entirely;Followed by, 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 body;Finally, By the way that the first half-round cross hole is designed to, through positioning reinforcing rib, so on the one hand to facilitate the installation of expandable fixation assemblies, When on the other hand dismantling, expandable fixation assemblies can support out from one end towards wheelboss flange of full circle through hole, so as to facilitate The dismounting of expandable fixation assemblies.
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 body can be against on the basis of locating flange towards on the disk of wheel hub one side, then installation can be swollen Swollen fixation kit, to ensure that the installation site of expandable fixation assemblies is correct.
In said program, the internal diameter of the brake disc body towards the disk of the wheel hub one side is less than the brake disc Body is backwards to the internal diameter of the disk of the wheel hub one side.By the way that internal diameter of the brake disc body towards the disk of wheel hub one side is designed Into less than brake disc body backwards to the internal diameter of the disk of the wheel hub one side so that it is convenient to installation.
In said program, the spline ventilation hole is arc structure.By being arc structure by spline vents design, So on the one hand be conducive to the flowing of air, improve radiating efficiency, be on the other hand avoided that stress concentration, ensure connection flower The intensity of key.
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 body towards the disk of wheel hub one side, and The position of corresponding installation brake disc body along the circumferential direction adds and to be connected 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 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, from And the force status of spline is significantly improved, and then further improve service life;
4th, since brake disc body 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 between the root of two neighboring connection spline, such air can be at brake disc Circulation, so as to greatly increase the radiating efficiency of brake disc, has ensured traffic safety;
6th, by being designed to the first half-round cross hole through positioning reinforcing rib, inflatable fixed group is so on the one hand facilitated 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;
7th, 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 body towards on the disk of wheel hub one side, then expandable fixation assemblies are installed, to ensure may expand The installation site of fixation kit is correct;
8th, by being designed to be less than brake disc body backwards to institute by internal diameter of the brake disc body towards the disk of wheel hub one side The internal diameter of the disk of wheel hub one side is stated so that it is convenient to installation;
9th, by being arc structure by spline vents design, be so on the one hand conducive to the flowing of air, improve scattered On the other hand the thermal efficiency is avoided that stress concentration, ensured the intensity of connection spline.
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 body 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 pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation, including 1 He of wheel hub Brake disc 2, wherein, the wheel hub 1 is made of wheelboss flange 1a and hub bearing position 1b, and the brake disc 2 includes brake disc sheet Body 2a, the brake disc body 2a are towards being along the circumferential direction equipped with several connections on the inner ring of the disk of 1 one side of wheel hub Keyway 2b, on the outer wall of the hub bearing position 1b the corresponding position for installing the brake disc body 2a be along the circumferential direction equipped with Matched connection the spline 1c, the brake disc body 2a of connection keyway 2b passes through the connection keyway 2b and the connection Spline 1c is mounted on the hub bearing position 1b, the connection spline 1c towards on the side of the wheelboss flange 1a with it is described Corresponding position is equipped with positioning reinforcing rib 1d, the positioning reinforcing rib 1d protrusions connection flower on the outer wall of hub bearing position 1b The top surface of key 1c, the positioning reinforcing rib 1d is for brake disc body 2a described in location and installation and for increasing the connection spline The intensity of 1c is equipped with the first half-round cross hole 1e, first semicircle on the top surface of at least one connection spline 1c vertically Through hole 1e axially penetrates through the corresponding connection spline 1c and corresponding positioning reinforcing rib 1d, the corresponding connection keyway The corresponding connection keyway 2b is axially penetrated through equipped with the second half-round cross hole 2c, the second half-round cross hole 2c vertically in 2b, Expandable fixation assemblies are installed in the full circle through hole that the second half-round cross hole 2c and the first half-round cross hole 1e is formed 3;It is equipped between the root of the two neighboring connection spline 1c on spline ventilation hole 1f, the wheelboss flange 1a along the circumferential direction 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 body 2a towards the disk of 1 one side of wheel hub 2b, and the position of corresponding installation brake disc body 2a is along the circumferential direction added with being connected 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 body 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 body 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 so facilitates the installation of expandable fixation assemblies 3, 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 body 2a on the basis of locating flange 3e towards on the disk of 1 one 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 at corresponding flange ventilation hole 1g on the same busbar of hub bearing position 1b 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, it can so increase flange ventilation hole 1g Intensity.
The internal diameter of above-mentioned brake disc body 2a towards the disk of 1 one side of wheel hub is less than the brake disc body 2a backwards The internal diameter of the disk of 1 one side of wheel hub.It is small by the way that internal diameters of the brake disc body 2a towards the disk of 1 one side of wheel hub is designed to In brake disc body 2a backwards to the internal diameter of the disk of 1 one side of wheel hub, the both sides that so can guarantee this assembly 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 so increase intake 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 Push-to air holes 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 so conducive to the flowing of air, 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 so on the one hand favourable 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 of expandable fixation assemblies 3 is stated as 5 groups, 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 body 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 body 2a radial positionings is mounted on wheel hub 1 by the connection keyway 2b;
B, by the brake disc body 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 body 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 body 2a towards the disk of 1 one side of wheel hub Keyway 2b is met, and the position of corresponding installation brake disc body 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 body 2a is direct It is 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 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 body 2a Set the effect of position;By the way that the first half-round cross hole 1e being designed to, so on the one hand facilitating 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 body 2a towards on the disk of 1 one 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, it can so increase the intensity of flange ventilation hole 1g;It is logical It crosses and the internal diameter of brake disc body 2a towards the disk of 1 one side of wheel hub is designed to be less than brake disc body 2a backwards to the wheel hub 1 The internal diameter of the disk of one side, the both sides that so can guarantee this assembly are perforations, so as to improve radiating efficiency;By by flange The quantitative design of ventilation hole 1g can so increase intake 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 at corresponding flange ventilation hole 1g on the same busbar of hub bearing position 1b, is so conducive to the flowing of air, improves Radiating efficiency;By the way that spline ventilation hole 1f is designed as arc structure, is so on the one hand conducive to the flowing of air, 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 so conducive to the flowing of air, 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 modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.

Claims (6)

1. a kind of pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation, including wheel hub (1) and brake disc (2), wherein, the wheel hub (1) is made of wheelboss flange (1a) and hub bearing position (1b), and the brake disc (2) includes braking Disk body (2a), which is characterized in that the brake disc body (2a) towards on the inner ring of the disk of the wheel hub (1) one side along circle Circumferential 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 body The position of (2a) is along the circumferential direction equipped with and the matched connection spline (1c) of the connection keyway (2b), the brake disc body (2a) is mounted on by the connection keyway (2b) and the connection spline (1c) on the hub bearing position (1b), the connection Spline (1c) with corresponding position on the outer wall of the hub bearing position (1b) towards setting on the side of the wheelboss flange (1a) There is positioning reinforcing rib (1d), the positioning reinforcing rib (1d) protrudes the top surface of the connection spline (1c), at least one company It connects and is equipped with the first half-round cross hole (1e) on the top surface of spline (1c) vertically, first half-round cross hole (1e) axially penetrates through correspondence The connection spline (1c) and the corresponding positioning reinforcing rib (1d), sets vertically in corresponding connection keyway (2b) There is the second half-round cross hole (2c), second half-round cross hole (2c) axially penetrates through the corresponding connection keyway (2b), and described the Expandable fixation assemblies are installed in the full circle through hole that two half-round cross holes (2c) are formed with first half-round cross hole (1e) (3);Spline ventilation hole (1f) is equipped between the root of the two neighboring connection spline (1c).
2. the pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation as described in claim 1, feature It is, the expandable fixation assemblies (3) include expansion axle sleeve (3a), expansion axis pin (3b) and expansion nut (3c), described swollen The side wall of swelling shaft set (3a) is equipped with inflation openings (3d), and the inner surface of the expansion axle sleeve (3a) is the conical surface, the expansion pin One end outer surface of axis (3b) is the matched conical surface of inner surface with the expansion axle sleeve (3a), the expansion axis pin (3b) Other end outer surface is equipped with screw thread, and the expansion axle sleeve (3a) is sleeved on the conical surface end of the expansion axis pin (3b), described swollen 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 of band brake disk heat dissipation as claimed in claim 2, feature It is, the end face of the expansion nut (3c) towards the expansion axle sleeve (3a) is equipped with locating flange (3e), the positioning mode The outer diameter of blue (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 of band brake disk heat dissipation as described in claim 1, feature It is, the internal diameter of the brake disc body (2a) towards the disk of the wheel hub (1) one side is less than the brake disc body (2a) Backwards to the internal diameter of the disk of the wheel hub (1) one side.
5. the pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation as described in claim 1, feature It is, the spline ventilation hole (1f) is arc structure.
6. the pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation as described in claim 1, feature It is, 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 uniform Arrangement.
CN201711460554.XA 2017-12-28 2017-12-28 Pin shaft type hub brake disc assembly with brake disc heat dissipation function for commercial vehicle Active CN108087464B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108679202A (en) * 2018-06-20 2018-10-19 唐泽制动器(天津)有限公司 A kind of speed changer brake disc assembly
CN114046324A (en) * 2021-11-19 2022-02-15 广州市特耐得车轴有限公司 Intelligent control axle temperature control device and control method thereof
CN114046324B (en) * 2021-11-19 2024-05-28 广州市特耐得车轴有限公司 Intelligent control axle temperature control device and control method thereof

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KR20080054825A (en) * 2006-12-13 2008-06-19 현대자동차주식회사 Structure of axle assembly for a driving wheel
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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
CN207893024U (en) * 2017-12-28 2018-09-21 湖北三环车桥有限公司 The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation

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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
KR20080054825A (en) * 2006-12-13 2008-06-19 현대자동차주식회사 Structure of axle assembly for a driving wheel
CN203752796U (en) * 2013-12-30 2014-08-06 郑州精益达汽车零部件有限公司 Passenger car front axle hub structure
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
CN207893024U (en) * 2017-12-28 2018-09-21 湖北三环车桥有限公司 The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108679202A (en) * 2018-06-20 2018-10-19 唐泽制动器(天津)有限公司 A kind of speed changer brake disc assembly
CN114046324A (en) * 2021-11-19 2022-02-15 广州市特耐得车轴有限公司 Intelligent control axle temperature control device and control method thereof
CN114046324B (en) * 2021-11-19 2024-05-28 广州市特耐得车轴有限公司 Intelligent control axle temperature control device and control method thereof

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