CN110657176B - Disc brake device and split brake disc thereof - Google Patents
Disc brake device and split brake disc thereof Download PDFInfo
- Publication number
- CN110657176B CN110657176B CN201911076686.1A CN201911076686A CN110657176B CN 110657176 B CN110657176 B CN 110657176B CN 201911076686 A CN201911076686 A CN 201911076686A CN 110657176 B CN110657176 B CN 110657176B
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- brake
- disc
- fan
- split
- brake disc
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- 239000012634 fragment Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 229910001060 Gray iron Inorganic materials 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 3
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/121—Discs; Drums for disc brakes consisting of at least three circumferentially arranged segments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/123—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting
- F16D65/124—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting adapted for mounting on the wheel of a railway vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
- F16D2065/1312—Structure circumferentially segmented
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a disc brake device and a split brake disc thereof, wherein the split brake disc consists of a base plate and a plurality of brake fragments concentrically surrounding the base plate, wherein two adjacent brake fragments are spliced with each other, and the inner ends of the brake fragments are respectively detachably matched and fixed with the base plate; the disc brake device comprises a brake caliper and a split brake disc, wherein a brake pad which is acted with the edge of the split brake disc is arranged in the brake caliper, a transmission wheel shaft is provided with a threaded rod section which penetrates through a flange disc and the split brake disc and extends outwards to a central hole of a hub, a pressing cap is screwed and tightly matched with the threaded rod section, the pressing cap comprises a hollow cap body and a cap edge which is radially protruding relative to one end of the hollow cap body, the cap edge is tightly pressed on the outer end face of the hub, and the hollow cap body penetrates through the central hole of the hub and is in threaded fit with the threaded rod section to be tightly pressed on a substrate of the split brake disc. The invention is convenient for assembling and disassembling the brake disc, and simultaneously is convenient for assembling the hub and the brake disc, and has high assembling and maintaining efficiency and good quality.
Description
Technical Field
The invention belongs to the technical field of vehicle braking, and particularly relates to a disc type braking device and a split type braking disc thereof.
Background
Currently, most motor vehicles mount disc brakes (also known as brake discs), which are typically made of metal, carbon or ceramic material, and are tightly connected to the hub. During braking, a pair of brake pads located on opposite sides of the disc are pressed against the disc to press the disc, causing friction to slow the vehicle. The existing disc brake device generally uses a plurality of circumferentially uniformly distributed hub bolts to fixedly mount the hub, the brake disc and the flange at the end part of the wheel shaft, so that the tightening torque of each hub bolt is generally required to be uniform, the stability of the brake disc and the brake of the caliper can be ensured, and if the tightening torque of the wheel bolts is too low, the wheel bolts can be loosened to cause accidents during running, thereby influencing the assembly and maintenance efficiency and the assembly quality.
In addition, the existing brake disc is generally integrated, when the brake disc is installed, the brake disc is sleeved on the wheel axle, the brake disc needs to be taken out along the axial direction of the wheel axle when the brake disc is replaced, and other mechanisms or devices are also installed on the wheel axle and are barriers for disassembling the brake disc, so that the mechanisms or devices have to be disassembled firstly when the brake disc is disassembled, and the replacement of the existing brake disc is quite complex.
Disclosure of Invention
The invention aims to provide a split type brake disc which is convenient to disassemble and assemble.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the split type brake disc consists of a base plate and a plurality of brake fragments concentrically surrounding the base plate, wherein two adjacent brake fragments are spliced with each other, and the inner ends of the brake fragments are respectively detachably matched and fixed with the base plate.
Preferably, the brake segment is gray cast iron or a resin-based friction plate.
Preferably, the braking burst is by interior lamellar body and outer lamellar body integrated into one piece, and the outer lamellar body of adjacent two braking bursts splices each other, the both sides limit of interior lamellar body contracts in opposite directions to be located the fan-shaped scope that the both sides limit of outer lamellar body encloses, the base plate side corresponds each interior lamellar body's position department is equipped with respectively with interior lamellar body assorted slot, leave the division board between the slot on the base plate side, interior lamellar body inserts the base plate and can dismantle the cooperation with the base plate through the slot and fix.
Preferably, the outer end face of the base plate is provided with a threaded counter bore, the inner end of each inner sheet body is provided with a positioning hole corresponding to the threaded counter bore, and the threaded counter bore and the positioning hole are internally provided with a fastening bolt in a penetrating manner and a locking nut at the tail end of the fastening bolt.
Preferably, a first fan-shaped convex ring concentric with the outer sheet body is arranged at the position, close to the front surface of the outer sheet body, of one circumferential side of the outer sheet body, a second fan-shaped convex ring concentric with the outer sheet body is arranged at the position, close to the back surface of the outer sheet body, of the other circumferential side of the outer sheet body, and the first fan-shaped convex ring is in press fit with the opposite surfaces of the second fan-shaped convex rings on the circumferentially adjacent brake segments.
Preferably, the side surfaces of the first fan-shaped convex ring and the second fan-shaped convex ring are respectively provided with a centering column with semicircular cross sections, the position of the outer sheet body corresponding to the first fan-shaped convex ring on the circumferentially adjacent braking segment is provided with a first centering groove with semicircular cross sections, the position of the outer sheet body corresponding to the second fan-shaped convex ring on the circumferentially adjacent braking segment is provided with a second centering groove with semicircular cross sections, the centering columns on the first fan-shaped convex ring are matched with the first centering grooves embedded in the circumferentially adjacent braking segment, and the centering columns on the second fan-shaped convex ring are matched with the second centering grooves embedded in the circumferentially adjacent braking segment.
It is still another object of the present invention to provide a disc brake apparatus that facilitates disassembly and assembly of a brake disc.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
The invention also provides a disc brake device which comprises a brake caliper and the split brake disc, wherein the brake caliper is internally provided with a brake pad which is acted with the edge of the split brake disc, the split brake disc is arranged between a flange disc and a hub through a hub bolt assembly, and the flange disc is arranged on the end part of a transmission wheel shaft.
The invention further aims to provide the disc type braking device which is convenient for assembling and disassembling the brake disc and assembling the hub and the brake disc, and has high assembling and maintaining efficiency and good quality.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
The utility model provides a disc brake device, includes brake caliper and foretell split type brake disc, brake pad that has in the brake caliper and split type brake disc border looks effect, the transmission shaft have pass ring flange, split type brake disc and outwards extend to the threaded rod section in wheel hub centre bore, threaded rod section external spin tight fit has the pressure cap, the pressure cap includes integrated into one piece's cavity cap body and the cap edge that radially protrudes relative cavity cap body one end, the cap edge compresses tightly on the outer terminal surface of keeping away from split type brake disc of wheel hub, cavity cap body passes wheel hub centre bore and screw-thread fit outside the threaded rod section and compress tightly on split type brake disc's base plate.
Preferably, be equipped with the radial through-hole of opening cavity and the chamber bottom department that is located the opening cavity in the cavity cap body, hub center pore wall corresponds radial through-hole position department and is equipped with radial blind hole, the opening part of opening cavity has the internal thread and is equipped with the step face at the inside middle section of opening cavity, the top that is equipped with movable rod and movable rod in the interpolation of opening cavity passes through bolt fixed connection connecting block, the movable rod is outward and be located the cover between connecting block and the step face and be equipped with reset member, opening cavity opening part screw-thread fit have the adjusting lever just the adjusting lever offsets the cooperation with the connecting block, the movable rod bottom has the tight piece that rises through round pin swing joint, the tight piece that rises is gone into radial blind hole or is broken away from radial blind hole through the overhanging card of radial through the through-hole along with the push down or the rising of movable rod.
Preferably, the edge of the adjusting rod is movably connected with a locking block through a pin and a damping sleeve, a lock hole is formed in the position, corresponding to the radial blind hole, of the top of the press cap, and the position of the adjusting rod is kept motionless by embedding the locking block into the lock hole when the tensioning block is outwards clamped into the radial blind hole.
Compared with the prior art, the invention has the following beneficial effects:
1. The split type brake disc consists of the base plate and the brake fragments concentrically surrounding the base plate, the brake fragments are detachably matched and fixed with the base plate, the brake fragments are preferably inserted into the side surfaces of the base plate through the slots and are locked and fixed with the base plate through the fastening bolts, the split type brake disc is convenient to disassemble and assemble, other mechanisms or components (such as hubs) are not required to be disassembled during maintenance, only the assembly relation between the target brake fragments and the base plate is required to be disassembled, the base plate can be not replaced under the condition that the performance of the base plate is not influenced, and the cost is saved.
2. The brake segments are integrally formed by the inner sheet body and the outer sheet body, the inner sheet body is assembled with the base plate, the outer sheet bodies of the circumferentially adjacent brake segments are mutually spliced to form a whole circular ring disc body, and a mode that the circumferentially adjacent sides are in front-back press fit through the first fan-shaped convex ring and the second fan-shaped convex ring is preferably adopted, so that each brake segment is convenient to be independently disassembled and assembled, and the concentricity of each brake segment can be well ensured; in addition, the brake pad is further arranged to be a semicircular centering column and a matched centering groove, so that the independent dismounting function is ensured, and the axial stability and the non-staggered layer of the matching surface of the brake pad in the braking process of the brake pads at the two sides are ensured, and the braking force of the brake pad and the split type brake disc is uniform, the process is stable, the noise is low and the dual damage is small.
3. According to the disc brake device, the hub, the split brake disc, the flange disc and the transmission wheel shaft are assembled and combined together through the pressing cap, the pressing cap is only required to be screwed and matched with the threaded rod section of the transmission wheel shaft during assembly, then the hub is pressed by the cap edge, the base plate is pressed by the hollow cap body, and the transmission wheel shaft is screwed by the hollow cap body, so that consistency of clamping action and structural stability of each part among the hub, the split brake disc and the flange disc are ensured, operation time for screwing each hub bolt respectively can be saved, high requirements on screwing strength of each hub bolt are overcome, and assembly maintenance efficiency and assembly quality are improved.
4. Further, the pressing cap is further provided with a tensioning combination which is movably matched with the radial blind hole of the central hole of the hub, the tensioning combination comprises a movable rod, a connecting block, a reset member, an adjusting rod and a tensioning block movably connected to the bottom of the movable rod, the adjusting rod moves away from the movable rod during assembly to enable the tensioning block to be internally contracted and separated from the radial blind hole, the tensioning block can not influence the pressing cap to be tightly matched with the threaded rod section, and the adjusting rod moves close to the movable rod during assembly to enable the tensioning block to be outwards clamped into the radial blind hole, so that the pressing cap can be prevented from being loosened to lose the compression linkage action on the hub and the split brake disc. The locking block on the adjusting rod is matched with the locking hole on the pressing cap to keep the position of the adjusting rod unchanged, and meanwhile the pressing cap can be prompted to rotate in place, and the tensioning block can be pushed into the radial blind hole at the moment, so that consistency and convenience of screwing operation degree of the pressing cap each time are guaranteed.
Drawings
Fig. 1 is a front view of a split brake disk of the present invention.
Fig. 2 is a rear view of the split brake disc of the present invention.
Fig. 3 is a schematic view of a brake segment splicing structure according to the present invention.
Fig. 4 is an M-direction assembly view of two adjacent brake segments of the present invention shown in fig. 3.
Fig. 5 is an N-directional assembly view of two adjacent brake segments of the present invention shown in fig. 3.
Fig. 6 is a schematic view of a brake segment structure according to the present invention.
Fig. 7 is a schematic view showing a disc brake device according to embodiment 2 of the present invention.
Fig. 8 is a schematic view of a disc brake device according to embodiment 3 of the present invention.
Fig. 9 is a schematic diagram of a disc brake device according to embodiment 3 of the present invention.
Fig. 10 is a partial enlarged view of the portion P shown in fig. 9.
Fig. 11 is a schematic diagram of the structure of a press cap according to embodiment 3 of the present invention.
The marks in the figure: 10. a substrate; 11. a slot; 12. a fastening bolt; 20. braking and slicing; 21. an inner sheet; 22. an outer sheet; 221. a first fan-shaped convex ring; 222. a second fan-shaped convex ring; 223. a first centering groove; 224. a second centering groove; 30. a flange plate; 40. a hub; 41. a radial blind hole; 50. a transmission wheel shaft; 51. a threaded rod section; 60. pressing the cap; 61. a hollow cap body; 62. a brim; 63. an open chamber; 64. a radial through hole; 65. a lock hole; 71. a movable rod; 72. a connecting block; 73. a reset member; 74. an adjusting lever; 75. a tensioning block; 76. and a locking block.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Example 1
As shown in fig. 1-6, the present embodiment provides a split brake disc, which is composed of a base plate 10 and a plurality of brake segments 20 concentrically surrounding the base plate 10, wherein two adjacent brake segments 20 are spliced with each other, and inner ends of the brake segments 20 are detachably matched and fixed with the base plate 10.
In this embodiment, the braking segments 20 are gray cast iron or resin-based friction plates, the braking segments 20 are integrally formed by an inner sheet 21 and an outer sheet 22, the outer sheets 22 of two adjacent braking segments 20 are mutually spliced to form a whole circular disc body, and the braking segments are in contact with the circular disc body during braking. Specific: the first fan-shaped convex ring 221 concentric with the outer sheet 22 is arranged at the position of one circumferential side of the outer sheet 22 and close to the front surface of the outer sheet 22, the second fan-shaped convex ring 222 concentric with the outer sheet 22 is arranged at the position of the other circumferential side of the outer sheet 22 and close to the back surface of the outer sheet 22, and the first fan-shaped convex ring 221 and the second fan-shaped convex ring 222 on the circumferentially adjacent braking segment 20 are in press fit together, so that a whole circular disc body is formed.
Further, in order to ensure that the brake pads and the split brake disc are not staggered in the braking action process, the side surfaces of the first fan-shaped convex ring 221 and the second fan-shaped convex ring 222 are respectively provided with a centering column with semicircular cross section, the position of the outer sheet 22 corresponding to the first fan-shaped convex ring 221 on the circumferentially adjacent brake disc 20 is provided with a first centering groove 223 with semicircular cross section, the position of the outer sheet 22 corresponding to the second fan-shaped convex ring 222 on the circumferentially adjacent brake disc 20 is provided with a second centering groove 224 with semicircular cross section, the centering columns on the first fan-shaped convex ring 221 are matched with the first centering groove 223 embedded in the circumferentially adjacent brake disc 20, and the centering columns on the second fan-shaped convex ring 222 are matched with the second centering groove 224 embedded in the circumferentially adjacent brake disc 20, so that the action surfaces between the brake discs 20 can be automatically leveled, and the action surfaces acting with the brake discs are not staggered, and the brake disc is even, stable, noise is small, and the braking force is small in the braking process.
In this embodiment, the two sides of the inner sheet 21 are retracted to be within the sector-shaped range defined by the two sides of the outer sheet 22, the positions of the side surfaces of the substrate 10 corresponding to the inner sheets 21 are respectively provided with slots 11 matched with the inner sheet 21, a space plate is left between the slots 11 on the side surfaces of the substrate 10, and the inner sheet 21 is inserted into the substrate 10 through the slots 11 and is detachably matched and fixed with the substrate 10, specifically: the outer end face of the base plate 10 is provided with a threaded counter bore, the inner end of each inner sheet body 21 is provided with a positioning hole corresponding to the position of the threaded counter bore, and the threaded counter bore and the positioning hole are internally provided with a fastening bolt 12 in a penetrating manner and a nut is locked at the tail end of the fastening bolt 12, so that the brake segment 20 and the base plate 10 can be detachably mounted.
Example 2
As shown in fig. 7, this embodiment provides a disc brake apparatus comprising a brake caliper having therein brake pads for engaging the edges of a split brake disc mounted between a flange plate 30 and a hub 40 by a hub bolt assembly, the flange plate 30 being mounted on the end of a drive axle 50, and the drive axle 50 being part of a vehicle body drive system, and a split brake disc constructed as described in embodiment 1.
Example 3
As shown in fig. 8-11, this embodiment provides a disc brake device, including a brake caliper and a split brake disc, where the split brake disc is configured as described in embodiment 1, the brake caliper has a brake pad that acts on the edge of the split brake disc, the transmission axle 50 of the vehicle body transmission system has a threaded rod section 51 that passes through the flange 30 and the split brake disc and extends outward to the hub center hole, the threaded rod section 51 is tightly screwed with a pressing cap 60, the pressing cap 60 includes an integrally formed hollow cap body 61 and a cap edge 62 protruding radially from one end of the hollow cap body 61, the cap edge 62 is pressed against the outer end surface of the hub 40 away from the split brake disc, and the hollow cap body 61 passes through the hub center hole and is screwed with the threaded rod section 51 to be pressed against the base plate 10 of the split brake disc. The operation time for respectively screwing the hub bolts can be saved, the high requirement on the screwing force of the hub bolts can be overcome, simultaneously, the hub 40 is pressed by the cap rim 62, the base plate 10 is pressed by the hollow cap body 61, and the transmission wheel shaft 50 is screwed by the hollow cap body 61, so that the consistency of the clamping action of the hub 40, the split brake disc and the flange disc 30 is ensured, and the structural stability is enhanced.
Further, in order to avoid the release of the press cap 60 during traveling, the present embodiment is further modified as follows: the hollow cap body 61 is internally provided with an opening chamber 63 and a radial through hole 64 positioned at the bottom of the opening chamber 63, the bottom of the hub center hole wall is provided with a radial blind hole 41 corresponding to the position of the radial through hole 64, the opening of the opening chamber 63 is provided with internal threads and a step surface is arranged in the middle section inside the opening chamber 63, the movable rod 71 is inserted in the opening chamber 63, the top end of the movable rod 71 is fixedly connected with a connecting block 72 through bolts, a reset member 73 is sleeved outside the movable rod 71 and between the connecting block 72 and the step surface, the reset member 73 is preferably a compression spring, an adjusting rod 74 is in threaded fit at the opening of the opening chamber 63 and is in abutting fit with the connecting block 72, the bottom of the movable rod 71 is movably connected with an expansion block 75 through a pin, the expansion block 75 is outwards clamped into the radial blind hole 41 or inwards contracted away from the radial blind hole 41 through the radial through hole 64 along with the pressing or lifting of the movable rod 71, in particular, the adjusting rod 74 moves away from the movable rod 71 during assembly, so that the expansion block 75 is inwards contracted away from the radial blind hole 41, the expansion block 75 does not influence the compression cap 60, and the expansion block 75 is tightly presses the expansion block 75 against the radial blind hole 41 after the movable rod 71 is assembled, and the expansion block 74 is tightly moves the expansion block 75, and the expansion block 75 is prevented from being tightly pressed against the radial blind hole 41 after the movable rod 40, and the expansion block is tightly moves the expansion block 71.
Furthermore, in order to further strengthen the press cap 60 not to loosen from the threaded rod section 31, the edge of the adjusting rod 74 is movably connected with a locking block 76 through a pin and a damping sleeve, a lock hole 65 is arranged at the position of the top surface of the press cap 60 corresponding to the radial blind hole 41, the position of the adjusting rod 74 is kept unchanged by embedding the locking block 76 into the lock hole 65 when the tension block 75 is clamped into the radial blind hole 41 in an overhanging manner, and meanwhile, the cooperation of the locking block 76 and the lock hole 65 can also play a role in prompting the press cap 60 to rotate in place, so that the tension block 75 can be pushed into the radial blind hole 41 at the moment, and the consistency and convenience of the screwing operation degree of the press cap 60 are ensured every time.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (5)
1. A disc brake device is characterized in that the disc brake device comprises a brake caliper and a split type brake disc,
The split type brake disc consists of a base plate and a plurality of brake fragments concentrically surrounding the base plate, wherein two adjacent brake fragments are spliced with each other, and the inner ends of the brake fragments are respectively detachably matched and fixed with the base plate;
The braking separation plates are gray cast iron or resin-based friction plates, the braking separation plates are formed by integrating an inner plate body and an outer plate body, the outer plate bodies of two adjacent braking separation plates are spliced with each other, the two side edges of the inner plate body are oppositely contracted to be positioned in a fan-shaped range defined by the two side edges of the outer plate body, slots matched with the inner plate body are respectively arranged at the positions of the side surfaces of the substrate corresponding to the inner plate bodies, a spacing plate is reserved between the slots on the side surfaces of the substrate, and the inner plate body is inserted into the substrate through the slots and is detachably matched and fixed with the substrate;
the brake caliper is internally provided with a brake pad which is acted with the edge of the split brake disc, the transmission wheel shaft is provided with a threaded rod section which penetrates through the flange disc and the split brake disc and extends outwards to the central hole of the hub, and the threaded rod section is externally screwed and tightly matched with a pressing cap;
The pressing cap comprises an integrally formed hollow cap body and a cap edge radially protruding relative to one end of the hollow cap body, the cap edge is pressed on the outer end face of the hub far away from the split brake disc, and the hollow cap body passes through a hub center hole and is in threaded fit outside the threaded rod section to be pressed on a base plate of the split brake disc;
the hollow cap body is internally provided with an opening cavity and a radial through hole positioned at the cavity bottom of the opening cavity, the wall of the central hole of the hub is provided with a radial blind hole corresponding to the radial through hole, the opening of the opening cavity is provided with an internal thread and a step surface is arranged at the middle section inside the opening cavity, the opening cavity is internally inserted with a movable rod, the top end of the movable rod is fixedly connected with a connecting block through a bolt, a reset member is sleeved outside the movable rod and between the connecting block and the step surface, the opening cavity is provided with an adjusting rod in threaded fit and in abutted fit with the connecting block, the bottom of the movable rod is provided with an expanding block through a pin swing joint, and the expanding block is outwards clamped into the radial blind hole or inwards contracted to be separated from the radial blind hole along with the pressing or rising of the movable rod through the radial through hole.
2. A disc brake device according to claim 1, wherein: the edge of the adjusting rod is movably connected with a locking block through a pin and a damping sleeve, a lock hole is formed in the position, corresponding to the radial blind hole, of the top surface of the press cap, and the position of the adjusting rod is kept motionless by embedding the locking block into the lock hole when the tensioning block is outwards clamped into the radial blind hole.
3. A disc brake device according to claim 1, wherein: the outer end face of the base plate is provided with a threaded counter bore, the inner end of each inner sheet body is provided with a positioning hole corresponding to the threaded counter bore, and the threaded counter bore and the positioning hole are internally provided with a fastening bolt in a penetrating manner and a locking nut at the tail end of the fastening bolt.
4. A disc brake device according to claim 1, wherein: the first fan-shaped convex ring is arranged at one side of the circumference of the outer sheet body and close to the front of the outer sheet body, the second fan-shaped convex ring is arranged at the other side of the circumference of the outer sheet body and close to the back of the outer sheet body, and the first fan-shaped convex ring is in press fit with the opposite surfaces of the second fan-shaped convex rings on the circumferentially adjacent brake segments.
5. The disc brake device of claim 4, wherein: the side of first fan-shaped bulge loop and second fan-shaped bulge loop all is equipped with the cross-section shape and is semicircular centering post, the outer lamellar body be equipped with the first centering groove that the cross-section shape is semicircular with the corresponding position department of first fan-shaped bulge loop on the adjacent braking burst in circumference, the outer lamellar body correspond position department with the second fan-shaped bulge loop on the adjacent braking burst in circumference and be equipped with the second centering groove that the cross-section shape is semicircular, the centering post on the first fan-shaped bulge loop matches the first centering groove on the adjacent braking burst in circumference of embedding, the centering post on the second fan-shaped bulge loop matches the second centering groove on the adjacent braking burst in circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076686.1A CN110657176B (en) | 2019-11-06 | 2019-11-06 | Disc brake device and split brake disc thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076686.1A CN110657176B (en) | 2019-11-06 | 2019-11-06 | Disc brake device and split brake disc thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110657176A CN110657176A (en) | 2020-01-07 |
| CN110657176B true CN110657176B (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911076686.1A Active CN110657176B (en) | 2019-11-06 | 2019-11-06 | Disc brake device and split brake disc thereof |
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| CN (1) | CN110657176B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117646769B (en) * | 2024-01-29 | 2024-04-12 | 临汾市埠瑞联特煤机有限公司 | Normally closed brake of pneumatic crawler flat car |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10331576A1 (en) * | 2003-07-11 | 2005-02-10 | Wolfgang Weiss | Divided brake disk assembly for a motor vehicle includes brake surfaces and a brake disk support linked to a brake disk to compensate for different heat expansion |
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| CN109899420A (en) * | 2017-12-08 | 2019-06-18 | 常州中车铁马科技实业有限公司 | The pressure ring and brake disc of brake disc |
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| DE10331576A1 (en) * | 2003-07-11 | 2005-02-10 | Wolfgang Weiss | Divided brake disk assembly for a motor vehicle includes brake surfaces and a brake disk support linked to a brake disk to compensate for different heat expansion |
| CN104653668A (en) * | 2013-11-18 | 2015-05-27 | 现代自动车株式会社 | Brake disc manufactured from heterogeneous materials and method for manufacturing same |
| CN205918811U (en) * | 2016-08-01 | 2017-02-01 | 深圳市鑫宏星磨具磨料有限公司 | Novel friction plate |
| CN210830246U (en) * | 2019-11-06 | 2020-06-23 | 晋江凯燕新材料科技有限公司 | Disc type braking device and split type brake disc thereof |
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| CN110657176A (en) | 2020-01-07 |
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