CN213628605U - Brake disc with anti-warping pin - Google Patents

Abstract

The utility model discloses a brake disc of round pin is prevented upwarping in area, including supporting disk, two friction discs, a plurality of customization fastening components and a plurality of proof warp round pin, two friction discs are laminated respectively and are passed through between the both sides of supporting disk and the three a plurality of customization fastening components press from both sides tight locking, and a plurality of customization fastening components evenly arrange along the circumferencial direction, and the friction disc is outer along being equipped with a plurality of proof warp pinholes, and the outer edge of supporting disk is equipped with a plurality of location pinholes, and proof warp pinhole, location pinhole and proof warp round pin three quantity equal, and the proof warp round pin is worn to locate in proof warp pinhole and the location pinhole and is used for locking friction disc and supporting disk, and the proof warp round pin is located customization. The utility model discloses an outer edge setting up at the superimposed friction disk and supporting disk prevents upwarping the round pin for the supporting disk with two friction disk transmission moment of torsion and the proof upwarping in the outside, customization fastening component can set up and radially lean on the inboard, can improve customization fastening component's connection reliability and the holistic security of brake disc.

Description

Brake disc with anti-warping pin

Technical Field

The utility model relates to a car class arresting gear technical field especially relates to a brake disc of round pin is prevented upwarping in area.

Background

At present, most of domestic vehicle brakes are disc brakes, and conventional brake discs mostly adopt straight grooves for heat dissipation, so that the heat dissipation efficiency is low. Disc brake formats are mainly divided into two categories: shaft-mounted and wheel-mounted. The shaft-mounted brake disc body of the high-speed vehicle is made of cast steel and integrally cast, the production efficiency is high, the production cost is low, the structure of the brake disc is mature and reliable, and the cast steel brake disc with the structure is widely applied to the high-speed vehicle. However, the existing cast steel brake disc is quite heavy, and in addition, with the continuous increase of the driving speed of vehicles, the vehicles generate larger thermal load during braking, and the traditional cast steel brake disc and powder metallurgy brake pad combination cannot be well adapted to the long-time high-temperature braking environment.

The carbon ceramic material has the advantages of low density, high temperature resistance, high specific strength and high wear resistance, the unsprung weight of high-speed vehicles can be reduced due to the low density, and the requirement of the high-speed vehicles on light weight is met; the high-temperature-resistant, high-specific-strength and high-wear-resistant brake material can bear larger brake energy and meet the requirement of high-speed vehicles on speed increase, so that the carbon ceramic material becomes a main research direction of a new generation of brake friction material.

However, the carbon ceramic material has the characteristics of poor toughness and easy brittle fracture, the traditional brake disc structure is quite complex and has a lath-shaped heat dissipation rib structure for heat dissipation, so that a disc body of the existing structure cannot be cast and molded by the carbon ceramic material, and the brake disc of the existing structure does not consider the problem of cracking and upwarp of the outer edge of the brake disc, so that a new structure and a new connection mode must be designed according to the characteristics of the carbon ceramic material.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide one kind and have the radial outside of preventing rise to stick up, can improve the brake disc of connecting reliability and brake disc holistic security's area proof warp round pin's brake disc.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a brake disc of round pin is prevented upwarping in area, includes supporting disk, two friction discs, a plurality of customization fastening components and a plurality of proof warp round pin, two friction discs laminate respectively and pass through between the both sides of supporting disk and the three a plurality of customization fastening components press from both sides tight locking, a plurality of customization fastening components evenly arrange along the circumferencial direction, the friction disc is outer along being equipped with a plurality of proof warp pinholes, the outer edge of supporting disk is equipped with a plurality of locating pin holes, proof warp pinhole, locating pin hole and proof warp round pin three quantity equal, proof warp round pin is worn to locate in proof warp pinhole and the locating pin hole and is used for locking friction disc and supporting disk, proof warp round pin is located customization fastening components's the outside.

As a further improvement of the above technical solution:

the anti-warping pin comprises a pin body and flat pin split bodies arranged at two ends of the pin body, the pin body penetrates through the positioning pin hole, and the flat pin split bodies at the two ends are respectively located in the anti-warping pin holes of the two friction disks.

The flat pin is characterized in that flat surfaces are arranged on two sides of the flat pin body, inverted teeth are arranged on the flat surfaces, the inverted teeth are separated from the flat surfaces towards one end of the pin body, the other end of the inverted teeth is fixedly connected with the flat surfaces, the inverted teeth on the two sides are arranged in a horn mouth shape, the anti-warping pin holes are matched with the flat pin body, protruding limiting grooves are arranged on the inner walls of the anti-warping pin holes in contact with the flat surfaces, and the limiting grooves are in limiting fit with the inverted teeth to prevent the flat pin body from being separated from the anti-warping pin holes.

The flat surface of the flat pin split body and the anti-warping pin hole of the friction disc are installed in a tight fit mode, so that torque is transmitted to the supporting disc in the braking process.

The anti-warping pin comprises a pin body and pin split bodies arranged at two ends of the pin body, the diameter of each pin split body is smaller than that of the pin body, a sealing ring is fixedly sleeved on each pin split body, the pin body penetrates through the corresponding positioning pin hole, the pin split bodies at the two ends are respectively located in the anti-warping pin holes of the two friction disks, and a convex sealing ring clamping groove is formed in each anti-warping pin hole.

The customization fastening components include fastening bolt and two fastening sleeves, fastening sleeve one end is equipped with and is equipped with the sleeve counter bore in spacing portion of axial and the fastening sleeve, be equipped with the fastening counter bore on the friction disk, the fastening counter bore is in the inboard of proof warp pinhole, be equipped with the fastening through-hole on the supporting disk, in a fastening counter bore and the fastening through-hole are worn to establish by a fastening sleeve, in another fastening sleeve wears to establish in another fastening counter bore and fastening through-hole, and the step face butt of the spacing portion of each axial and the fastening counter bore that corresponds, fastening bolt wears to locate in two sleeve counter bores, and fastening bolt's nut and the step face butt of a sleeve counter bore, the fastening nut of fastening bolt afterbody and the step face butt of another sleeve counter bore.

The surface of the fastening sleeve is provided with a slit which penetrates through the wall of the fastening sleeve; the seam is an oblique seam, a wavy seam or a straight seam relative to the axis of the fastening sleeve.

The supporting plate and the friction disc are circular, and the fastening bolt is close to the inner ring of the supporting plate.

The customization fastening components include sleeve bolt and box nut, sleeve bolt one end and box nut's one end all are equipped with the spacing portion of axial, the sleeve bolt has the external screw thread, the internal thread has in the box nut, be equipped with the fastening counter bore on the friction disk, the fastening counter bore is in the inboard of proof warp pinhole, be equipped with the fastening through-hole on the supporting disk, the sleeve bolt is worn to establish in a fastening counter bore and fastening through-hole, box nut wears to establish in another fastening counter bore and fastening through-hole, and the internal thread is mutually supported with the external screw thread, the spacing portion of axial of sleeve bolt and the step face butt in the fastening counter bore that corresponds, the spacing portion of axial of box nut and the step face butt in the fastening counter bore that corresponds.

The supporting disk comprises the supporting disk components of a whole that can function independently coincide of two symmetries, a plurality of arc radiating grooves of equipartition and a plurality of brace rod on the supporting disk components of a whole that can function independently, brace rod and arc radiating groove staggered arrangement, proof warp round pin is located the arc radiating groove, the arc radiating groove is helix type or involute type, and the open mode is greater than radial inboard opening for radial outside opening.

Compared with the prior art, the utility model has the advantages of:

(1) the brake disc with the anti-warping pin of the utility model is provided with the anti-warping pin at the outer edge of the overlapped friction disc and the support disc, the brake disc is used for transmitting torque between the support disc and the two friction discs and preventing the outer sides from warping, the brake disc can be locked by combining the customized fastening assembly with the warping-preventing pin, because the anti-warping pin is arranged on the outer side, the customized fastening component for fastening the friction disc and the supporting disc can be arranged on the inner side in the radial direction, and compared with the outer side in the radial direction, the temperature of the disc body is low, the heat conduction energy is low, the expansion value is small, the connection reliability of the customized fastening component 3 and the overall safety of the brake disc can be improved, therefore, the brake disc has the advantages of radial outer side upwarp prevention, reliable connection, high temperature resistance, convenient maintenance, good braking effect, light weight, reduction of energy consumption of running and braking of high-speed vehicles and great saving of the operating cost of high-speed vehicle companies.

(2) The utility model discloses a brake disc of perk round pin is prevented in area, the preferred disk body of carbon pottery material of friction disk, the preferred disk body of aluminum alloy or titanium alloy material of supporting disk, friction disk and supporting disk are ring circular structure, and the brake disc is whole can subtract heavy about 50% to 70% like this, satisfies modernized car class to the light-weighted requirement, and the friction disk of carbon pottery material can bear bigger braking energy, satisfies the car class requirement that will shorten braking distance again that need not speed up.

(3) The utility model discloses a brake disc of round pin is prevented upwarping in area, because the fastening counter sink is in the inboard of proof upwarping counter sink and lean on the outside for radially, the disk body temperature is low, and fastening bolt's heat conduction energy is low, and the expansion value is little, can improve fastening bolt's connection reliability and the holistic security of brake disc to, fastening sleeve and fastening bolt's stack connection can leave sufficient thermal expansion clearance.

Drawings

Fig. 1 is a schematic structural diagram of a brake disc according to embodiment 1 of the present invention.

Fig. 2 is a view a-a in fig. 1.

Fig. 3 is a view B-B in fig. 1.

Fig. 4 is an enlarged view at D in fig. 3.

Fig. 5 is a schematic structural view of a warp prevention pin according to embodiment 1 of the present invention (a portion is a three-dimensional structure, b portion is a front view, and c portion is a top view).

Fig. 6 is a schematic structural view of a friction disk according to embodiment 1 of the present invention (section d is a front view, section E is a view from E to E of section d, and section F is a view from F to F of section d).

Fig. 7 is a schematic structural view of a support plate in embodiment 1 of the present invention (portion h is a back surface, and portion g is a front surface).

Fig. 8 is an enlarged view at C in fig. 2 (a structural schematic view of the customized fastening assembly).

Fig. 9 is a schematic structural view of a fastening sleeve according to embodiment 1 of the present invention (a section k is a perspective view, and a section m is a front view).

Fig. 10 is a schematic view of three other structures of the fastening sleeve of the present invention.

Fig. 11 is a schematic structural view of a warpage preventing pin according to embodiment 2 of the present invention (a perspective view of a portion q and a front view of a portion w).

Fig. 12 is a schematic structural view of a sleeve bolt according to embodiment 3 of the present invention (a perspective view of a portion s and a front view of a portion t).

Fig. 13 is a schematic structural view of a collet nut according to embodiment 3 of the present invention (a perspective view of a u-portion and a front view of a v-portion).

Fig. 14 is a schematic structural view of a support plate in embodiment 4 of the present invention.

The reference numerals in the figures denote:

1. a support disc; 101. a positioning pin hole; 102. fastening through holes; 103. an arc-shaped heat dissipation groove; 104. supporting ribs; 105. connecting the outer ribs of the friction disc; 106. connecting a middle rib of the friction disc; 107. connecting an inner rib of the friction disc; 11. the support plate is split; 2. a friction disk; 201. anti-warping pin holes; 202. fastening the counter sink; 203. a limiting groove; 3. customizing a fastening component; 301. an axial limiting part; 302. a sleeve counterbore; 31. fastening a bolt; 311. fastening a nut; 32. fastening the sleeve; 321. slotting; 33. a sleeve bolt; 331. an external thread; 34. a sleeve nut; 341. an internal thread; 35. a sleeve gasket; 36. fastening the elastic pad; 4. a buckling prevention pin; 41. a pin body; 42. the flat pin is split; 421. flat surface; 422. inverting and hanging teeth; 43. the pin is split; 431. a seal ring; 5. a heat dissipating element; 6. connecting shaft bumps; 61. and connecting shaft bolt holes.

Detailed Description

The invention is described in further detail below with reference to the drawings and specific examples.

Example 1

As shown in fig. 1 to 9, the brake disc with the anti-warping pin of this embodiment, including supporting disk 1, two friction disks 2, a plurality of customization fastening components 3 and a plurality of anti-warping pins 4, two friction disks 2 are laminated respectively and are tightly locked between the both sides of supporting disk 1 and the three through a plurality of customization fastening components 3, a plurality of customization fastening components 3 are evenly arranged along the circumferencial direction, friction disk 2 is outer along being equipped with a plurality of anti-warping pin holes 201, the outer edge of supporting disk 1 is equipped with a plurality of locating pin holes 101, anti-warping pin hole 201, locating pin hole 101 and anti-warping pin 4 three quantity equal, anti-warping pin 4 wears to locate in anti-warping pin hole 201 and locating pin hole 101 and is used for locking friction disk 2 and supporting disk 1, anti-warping pin 4 is located the outside of customization fastening components 3. Through the tight pinning of proof warp round pin 4 with proof warp pinhole 201, lock the whole edge direction outside of the coincide body of friction disk 2 and supporting disk 1, prevent that friction disk 2 and supporting disk 1 from perk out.

The brake disc with the anti-warping pin is characterized in that the anti-warping pin 4 is arranged on the outer edge of the overlapped friction disc 2 and the support disc 1, the customized fastening component 3 is combined with the anti-warping pin 4 to lock the brake disc, since the anti-warping pin 4 is disposed at the outer side, the customized fastening assembly 3 for fastening the friction disc 2 and the support disc 1 can be disposed at the inner side in the radial direction, and the disc body temperature is low, the heat conduction energy is low, the expansion value is small relative to the outer side in the radial direction, the connection reliability of the customized fastening assembly 3 and the safety of the entire brake disc can be improved, and therefore, the brake disc has the advantages of radial outer side upwarp prevention, reliable connection, high temperature resistance, convenient maintenance, good braking effect, light weight, reduction of energy consumption of running and braking of high-speed vehicles and great saving of the operating cost of high-speed vehicle companies.

In this embodiment, the anti-warping pin 4 includes a pin body 41 and flat pin split bodies 42 provided at both ends of the pin body 41, the pin body 41 is inserted into the positioning pin hole 101, and the flat pin split bodies 42 at both ends are respectively located in the anti-warping pin holes 201 of the two friction disks 2. The anti-warping pin hole 201 is matched with the flat pin split body 42 in shape, and can prevent the anti-warping pin 4 from rotating. The flat surface 421 of the pin body 41 is tightly fitted with the anti-warping pin hole 201 of the friction disc 2, and can transmit torque to the support disc 1 during braking.

Preferably, flat surfaces 421 are arranged on two sides of the flat pin split body 42, inverted teeth 422 are arranged on the flat surfaces 421, one ends of the inverted teeth 422 facing the pin main body 41 are separated from the flat surfaces 421, the other ends of the inverted teeth 422 are fixedly connected with the flat surfaces 421, the inverted teeth 422 on the two sides are arranged in a horn shape, a protruding limiting groove 203 is arranged on the inner wall of the anti-warping pin hole 201 contacting with the flat surfaces 421, and the limiting groove 203 is in limiting fit with the inverted teeth 422 to prevent the flat pin split body 42 from being separated from the anti-warping pin hole 201. During assembly, the pin main body 41 is firstly inserted into the positioning pin hole 101 of the support plate 1, and because the radial maximum size of the flat pin split body 42 and the radial maximum size of the inverted tooth 422 are smaller than the pin main body 41, the pin main body 41 cannot interfere with the inverted tooth 422 during installation, after the pin main body 41 is installed, the anti-warping pin hole 201 of the friction disc 2 is sleeved on the flat pin split body 42, the elastic force of the inverted tooth 422 is overcome, the inverted tooth 422 elastically restores to be clamped in the limit groove 203 of the anti-warping pin hole 201, the anti-warping pin hole 201 is prevented from being separated from the flat pin split body 42, and therefore the friction disc 2 is prevented from being separated from the support plate 1. The structure of the inverted tooth 422 can improve the reliability and stability of the connection of the anti-warp pin 4. Besides the present embodiment, the flat pin split body 42 may not be provided with the inverted tooth 422, and the friction disc 2 and the support disc 1 at the radial outer edge may be locked to prevent the radial outer edge from tilting by interference fit between the flat pin split body 42 and the tilting prevention pin hole 201.

In the embodiment, the friction disc 2 is preferably made of carbon ceramic, the support disc 1 is preferably made of aluminum alloy or titanium alloy, and the friction disc 2 and the support disc 1 are both of circular ring structures, so that the whole brake disc can reduce weight by about 50-70%, the requirement of modern vehicles on light weight is met, the friction disc 2 made of carbon ceramic can bear larger braking energy, and the requirement of vehicles on speed increase and braking distance shortening is met.

In this embodiment, the customized fastening assembly 3 includes a fastening bolt 31 and two fastening sleeves 32, an axial limiting portion 301 is disposed at one end of each fastening sleeve 32, and a sleeve counterbore 302 is disposed in each fastening sleeve 32. The friction disc 2 is provided with a fastening counter bore 202, and the fastening counter bore 202 is arranged on the inner side of the warping-proof pin hole 201. The supporting disk 1 is provided with a fastening through hole 102. One of the fastening sleeves 32 is inserted into the fastening counter bore 202 and the fastening through hole 102 of one of the friction disks 2, the other fastening sleeve 32 is inserted into the fastening counter bore 202 and the fastening through hole 102 of the other friction disk 2, and the axial direction stopper 301 of each fastening sleeve 32 abuts against the step surface of the corresponding fastening counter bore 202. The two fastening sleeves 32 are arranged coaxially in opposite directions and are abutted against each other, and the two axial limiting parts 301 face outwards. The fastening bolt 31 is arranged in the two sleeve countersunk holes 302 in a penetrating manner, the nut of the fastening bolt 31 is abutted against the step surface of one sleeve countersunk hole 302, the fastening nut 311 at the tail of the fastening bolt 31 is abutted against the step surface of the other sleeve countersunk hole 302, and the fastening nut 311 is screwed and unscrewed, so that the clamping and the dismounting of the brake disc can be realized. The fastening bolt 31 is provided at both ends thereof with fastening elastic washers 36.

The fastening countersunk hole 202 is arranged on the inner side of the warping-proof pin hole 201 and is close to the inner ring of the supporting disc 1 relative to the radial outer side, namely the fastening bolt 31 is close to the radial inner side, the temperature of the disc body is low, the heat conduction energy of the fastening bolt 31 is low, the expansion value is small, and the connection reliability of the fastening bolt 31 and the overall safety of the brake disc can be improved. Also, the overlapping connection of the fastening sleeve 32 and the fastening bolt 31 can leave a sufficient thermal expansion gap.

In this embodiment, it is preferable that the surface of the fastening sleeve 32 is provided with a slit 321, and the slit 321 penetrates through the wall of the fastening sleeve 32. The slit 321 provides elasticity to the fastening sleeve 32, and the fastening sleeve 32 automatically shrinks the sleeve aperture size along with thermal expansion and contraction, thereby further increasing the thermal expansion gap. In this embodiment, a sleeve gasket 35 is disposed between the axial limiting portion 301 of the fastening sleeve 32 and the step surface of the fastening counter bore 202. In order to reduce the heat transmission to the fastening bolt 31 and the fastening nut 311, a layer of high temperature resistant heat insulating glue is coated on the surface of the sleeve gasket 35. In this embodiment, the slit 321 is taken as a straight slit as an example, and it should be noted that in other embodiments, the slit 321 may also be an oblique slit or a wavy slit with respect to the axis.

In this embodiment, the sleeve counterbore 302 of the fastening sleeve 32 is a slotted hexagonal configuration. It should be noted that, in addition to the present embodiment, in other embodiments, the sleeve counter bore 302 of the fastening sleeve 32 may have a closed hexagonal structure (portion n in fig. 10), or a long-waist quadrangular structure (portion p in fig. 10), or a circular structure (portion r in fig. 10).

As shown in fig. 7, in this embodiment, the supporting plate 1 is split and is formed by overlapping two symmetrical supporting plate split bodies 11, a plurality of arc-shaped heat dissipation grooves 103 and a plurality of supporting ribs 104 are uniformly distributed on the supporting plate split bodies 11, and the supporting ribs 104 and the arc-shaped heat dissipation grooves 103 are arranged in a staggered manner. The quantity of arc radiating groove 103 and brace rod 104 equipartition can be designed into 2 ~ 20. The protrusion between the two arc-shaped heat dissipation grooves 103 constitutes a support rib 104. Preferably, the dowel holes 101 and the fastening through holes 102 of the support plate 1 are provided on the support ribs 104. The arc-shaped heat dissipation grooves 103 corresponding to the positions of the assembled support discs 1 and the two support disc split bodies 11 are spliced into a complete heat dissipation channel. The arc-shaped heat dissipation groove 103 is a spiral line type or an involute type, and the opening mode is that the radial outer opening is larger than the radial inner opening. When the arc-shaped heat dissipation channel rotates to the same direction as the vehicle, gas can be thrown out, and the air inflow of the brake disc can be improved, so that the heat resistance and the heat dissipation performance of the brake disc are improved, and the braking efficiency of the vehicle is greatly improved.

Wherein, the heat dissipation element 5 is arranged in the arc-shaped heat dissipation groove 103 to improve the heat dissipation efficiency of the brake disc. The radiating elements 5 are made of composite materials with high radiating performance, the radiating elements 5 can be firmly and reliably connected in a gluing or other connecting mode, a certain supporting stress effect can be borne, and the layout number of the radiating elements 5 can be properly adjusted according to design requirements.

In this embodiment, the front surface (i.e., the surface contacting the friction disk 2) of the support plate division body 11 is provided with an outer friction disk rib 105, a middle friction disk rib 106 and an inner friction disk rib 107, and the arc-shaped heat dissipation groove 103 is provided on the back surface of the support plate division body 11.

In this embodiment, as shown in fig. 7, the dowel holes 101 are placed on the support ribs 104. Except this embodiment, also can place on arc radiating groove 103, prevent that the warpage pin 4 locates in arc radiating groove 103 promptly, through the air flow of arc radiating groove 103, accelerate the temperature of cooling proof warpage pin 4.

In this embodiment, the inner ring of the support plate split 11 is provided with a plurality of uniformly distributed connecting shaft projections 6, and the connecting shaft projections 6 are provided with connecting shaft bolt holes 61. After the supporting disc 1 and the two friction discs 2 are assembled, the anti-warping pin 4 and the fastening bolt 31 are locked, after all the processes are completed in sequence, the installation accuracy of the brake disc, the structural stability, the stress condition of the test brake disc, the dynamic balance and other parameters are checked, and the automobile body needing the brake disc can be installed through the connecting shaft bolt hole 61 in the connecting shaft lug 6.

Example 2

As shown in fig. 11, the brake disc with the anti-warp pin of the present embodiment is different from embodiment 1 only in that:

in this embodiment, the anti-warping pin 4 includes a pin main body 41 and pin split bodies 43 disposed at two ends of the pin main body 41, the pin main body 41 and the pin split bodies 43 are both cylindrical, the diameter of the pin split bodies 43 is smaller than that of the pin main body 41, a seal ring 431 is fixedly sleeved on the pin split bodies 43, the pin main body 41 is inserted into the positioning pin hole 101, the pin split bodies 43 at two ends are respectively located in anti-warping pin holes 201 of the two friction disks 2, and a convex seal ring clamping groove (not shown in the drawing) is disposed in the anti-warping pin hole 201. The pin split body 43 and the warping-proof pin hole 201 can be prevented through the matching of the sealing ring 431 and the sealing ring clamping groove in the warping-proof pin hole 201, so that the support plate 1 and the friction disc are split, and the warping-proof effect of the warping-proof pin 4 is improved.

The rest parts which are not described are basically the same as the embodiment 1, and the description is omitted.

Example 3

As shown in fig. 12 and 13, the brake disc with the anti-warp pin of the present embodiment is different from embodiment 1 only in that:

in this embodiment, the customized fastening assembly 3 includes the sleeve bolt 33 and the sleeve nut 34, and the one end of the sleeve bolt 33 and the one end of the sleeve nut 34 are all provided with the axial limiting portion 301, and one end of the sleeve bolt 33 is of a sleeve structure, and the other end of the sleeve bolt is of a bolt structure, and the one end close to the sleeve structure is provided with the axial limiting portion 301, and the bolt structure is provided with the external thread 331. The collet nut 34 has internal threads 341 therein. Correspondingly, the friction disc 2 is provided with a fastening countersunk hole 202, the support disc 1 is provided with a fastening through hole 102, the sleeve bolt 33 is inserted into the fastening countersunk hole 202 and the fastening through hole 102 of one friction disc 2, the sleeve nut 34 is inserted into the fastening countersunk hole 202 and the fastening through hole 102 of the other friction disc 2, the internal thread 341 and the external thread 331 are matched with each other, the axial limiting part 301 of the sleeve bolt 33 is abutted against the step surface of the corresponding fastening countersunk hole 202, and the axial limiting part 301 of the sleeve nut 34 is abutted against the step surface of the corresponding fastening countersunk hole 202. The socket bolt 33 and the socket nut 34 are coaxially arranged to face each other. The custom fastening assembly 3 may be designed with a sleeve bolt 33 and sleeve nut 34 configuration to simplify the installation process, increase structural strength and reduce the depth of the friction disc 2 countersunk.

The rest parts which are not described are basically the same as the embodiment 1, and the description is omitted.

Example 4

As shown in fig. 14, the brake disc with the anti-warp pin of the present embodiment is different from embodiment 1 only in that:

the support disc 1 in this embodiment is of unitary construction.

The rest parts which are not described are basically the same as the embodiment 1, and the description is omitted.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a brake disc of proof warp round pin in area which characterized in that: comprises a supporting plate (1), two friction plates (2), a plurality of customized fastening components (3) and a plurality of anti-warping pins (4), the two friction discs (2) are respectively attached to two sides of the support disc (1) and clamped and locked by the customized fastening components (3), the plurality of customized fastening components (3) are uniformly arranged along the circumferential direction, the outer edge of the friction disc (2) is provided with a plurality of anti-warping pin holes (201), the outer edge of the supporting plate (1) is provided with a plurality of positioning pin holes (101), the anti-warping pin holes (201), the positioning pin holes (101) and the anti-warping pins (4) are equal in number, the anti-warping pin (4) penetrates through the anti-warping pin hole (201) and the positioning pin hole (101) to be used for locking the friction disc (2) and the support disc (1), and the anti-warping pin (4) is located on the outer side of the customized fastening assembly (3).

2. The brake disc with the anti-warp pin according to claim 1, wherein: the anti-warping pin (4) comprises a pin body (41) and flat pin split bodies (42) arranged at two ends of the pin body (41), the pin body (41) penetrates through the positioning pin hole (101), and the flat pin split bodies (42) at the two ends are respectively located in anti-warping pin holes (201) of the two friction discs (2).

3. The brake disc with the anti-warp pin according to claim 2, wherein: flat round pin components of a whole that can function independently (42) both sides are equipped with planum (421), be equipped with inverted tooth (422) on planum (421), inverted tooth (422) separate with planum (421) towards the one end of round pin main part (41), the other end and planum (421) fixed connection, inverted tooth (422) of both sides become the horn mouth and arrange, proof warp pinhole (201) and flat round pin components of a whole that can function independently (42) looks adaptation, and the inner wall of preventing warp pinhole (201) and planum (421) contact is equipped with evagination spacing groove (203), spacing groove (203) and inverted tooth (422) spacing cooperation are in order to prevent flat round pin components of a whole that can function independently (42) and proof warp pinhole (201) and break away from.

4. The brake disc with the anti-warp pin according to claim 3, wherein: the flat surface (421) of the flat pin split body (42) and the warping-proof pin hole (201) of the friction disc (2) are installed in a tight fit mode, and therefore torque is transmitted to the supporting disc (1) in the braking process conveniently.

5. The brake disc with the anti-warp pin according to claim 1, wherein: the anti-warping pin (4) comprises a pin body (41) and pin split bodies (43) arranged at two ends of the pin body (41), the diameter of the pin split bodies (43) is smaller than that of the pin body (41), sealing rings (431) are fixedly arranged on the pin split bodies (43) in a fixed mode, the pin body (41) penetrates through the positioning pin hole (101), the pin split bodies (43) at the two ends are respectively located in anti-warping pin holes (201) of the two friction discs (2), and convex sealing ring clamping grooves are formed in the anti-warping pin holes (201).

6. The brake disc with the anti-warp pin according to any one of claims 1 to 5, wherein: the customized fastening assembly (3) comprises a fastening bolt (31) and two fastening sleeves (32), one end of each fastening sleeve (32) is provided with an axial limiting part (301) and a sleeve counter bore (302) in each fastening sleeve (32), each fastening counter bore (202) is arranged on the friction disc (2), each fastening counter bore (202) is arranged on the inner side of the corresponding anti-warping pin hole (201), each supporting disc (1) is provided with a fastening through hole (102), one fastening sleeve (32) is arranged in one fastening counter bore (202) and one fastening through hole (102), the other fastening sleeve (32) is arranged in the other fastening counter bore (202) and the other fastening through hole (102), the axial limiting parts (301) are abutted to the step surfaces of the corresponding fastening counter bores (202), the fastening bolt (31) is arranged in the two sleeve counter bores (302) in a penetrating manner, and the nut of the fastening bolt (31) is abutted to the step surfaces of one sleeve counter bore (302), and a fastening nut (311) at the tail part of the fastening bolt (31) is abutted against the step surface of the other sleeve counterbore (302).

7. The brake disc with the anti-warp pin according to claim 6, wherein: a slot (321) is formed in the surface of the fastening sleeve (32), and the slot (321) penetrates through the wall of the fastening sleeve (32); the seam (321) is an oblique seam, a wave seam or a straight seam relative to the axis of the fastening sleeve (32).

8. The brake disc with the anti-warp pin according to claim 6, wherein: the supporting plate (1) and the friction disc (2) are annular, and the fastening bolt (31) is close to an inner ring of the supporting plate (1).

9. The brake disc with the anti-warp pin according to any one of claims 1 to 5, wherein: the customization fastening component (3) includes sleeve bolt (33) and sleeve nut (34), the one end of sleeve bolt (33) one end and sleeve nut (34) all is equipped with the spacing portion of axial (301), sleeve bolt (33) have external screw thread (331), internal thread (341) have in sleeve nut (34), be equipped with fastening counter bore (202) on friction disc (2), fastening counter bore (202) are in the inboard of preventing upwarping pinhole (201), be equipped with fastening through-hole (102) on supporting disk (1), sleeve bolt (33) are worn to establish in a fastening counter bore (202) and fastening through-hole (102), sleeve nut (34) are worn to establish in another fastening counter bore (202) and fastening through-hole (102), and internal thread (341) and external screw thread (331) mutually support, the spacing portion of axial (301) of sleeve bolt (33) and the stepped surface butt of the fastening counter bore (202) that corresponds, and the axial limiting part (301) of the sleeve nut (34) is abutted with the step surface of the corresponding fastening counter bore (202).

10. The brake disc with the anti-warp pin according to any one of claims 1 to 5, wherein: the supporting plate (1) is formed by overlapping two symmetrical supporting plate split bodies (11), a plurality of arc-shaped heat dissipation grooves (103) and a plurality of supporting ribs (104) are uniformly distributed on the supporting plate split bodies (11), the supporting ribs (104) and the arc-shaped heat dissipation grooves (103) are arranged in a staggered mode, and the anti-warping pins (4) are located in the arc-shaped heat dissipation grooves (103); the arc-shaped heat dissipation groove (103) is of a spiral line type or an involute type, and the opening mode is that the radial outer opening is larger than the radial inner opening.

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