CN108488259B - Automobile peripheral disc type braking system - Google Patents
Automobile peripheral disc type braking system Download PDFInfo
- Publication number
- CN108488259B CN108488259B CN201810421957.1A CN201810421957A CN108488259B CN 108488259 B CN108488259 B CN 108488259B CN 201810421957 A CN201810421957 A CN 201810421957A CN 108488259 B CN108488259 B CN 108488259B
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- braking
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- 230000002093 peripheral effect Effects 0.000 title claims abstract description 29
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 210000000003 hoof Anatomy 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 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
- F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
- F16D49/16—Brakes with two brake-blocks
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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
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/06—Bands, shoes or pads; Pivots or supporting members therefor for externally-engaging brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D65/80—Features relating to cooling for externally-engaging brakes
- F16D65/807—Features relating to cooling for externally-engaging brakes with open cooling system, e.g. cooled by air
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides an automobile peripheral disc type braking system which comprises a shaft body and a hub, wherein the inner side of the hub is connected with a Zhou Zhidong disc which runs synchronously with the hub, a circumferential clamping brake shoe is arranged on the outer circumferential surface corresponding to the Zhou Zhidong disc, a circumferential outer supporting brake shoe is arranged on the inner circumferential surface corresponding to the Zhou Zhidong disc, a cam shaft support and a shoe shaft support are arranged on the shaft body on the inner side of the Zhou Zhidong disc, one ends of the circumferential outer supporting brake shoe and the circumferential outer supporting inner brake shoe are hinged with the shoe shaft support, and the other ends of the circumferential outer supporting brake shoe and the circumferential outer supporting inner brake shoe are connected with a double-S cam mechanism. The inner and outer braking surfaces of the Zhou Zhidong disc form clamping braking of the inner Zhang Waibao, so that the braking area is increased, and the braking distance is shortened; the brake calipers are clamped in the inner and outer circumferential directions, so that the stress intensity of the brake part is distributed evenly, the service life of braking is prolonged, the abrasion of friction plates is reduced, and the braking heating is avoided; the wind scooper utilizes natural wind of vehicle running to cool the braking system and the tires, and the high temperature of braking and the ignition of the tires are stopped.
Description
Technical Field
The invention belongs to the technical field of automobile axle braking, and particularly relates to an automobile peripheral disc type braking system.
Background
The existing trucks and passenger automobiles commonly use drum brakes or disc brakes to form an internal-expansion braking mode, and the braking performance of the internal-expansion braking mode is improved for many times, but the internal-expansion braking mode has the defects of high friction heating speed, low heat dissipation speed, long braking distance and the like under the conditions of heavy load and long downhill deceleration or emergency braking, and becomes a great potential safety hazard in vehicle running. In order to solve the problems, a circumferential enclasping brake structure and a circumferential enclasping brake mode are proposed at present, but the conventional circumferential enclasping brake device only can be applied to the outer circumferential surface of a brake wheel, the brake area is small, the brake distance is large, and the heat dissipation efficiency is low. The brake performance of the internal Zhang Haishi external holding type brake is improved only in a single-mechanism braking mode.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the automobile peripheral disc type braking system aiming at the defects in the prior art, and the internal and external distribution of braking force forms a peripheral clamping brake caliper structure, so that the braking area is large, the braking performance can be improved, and the service life can be prolonged.
The invention adopts the technical proposal for solving the problems that: the utility model provides an automobile circumference disk braking system, includes axis body and wheel hub, the inboard connection of wheel hub is rather than synchronous operation' S Zhou Zhidong dish, corresponds Zhou Zhidong dish outer peripheral face and installs circumference and press from both sides tight brake shoe, circumference press from both sides tight brake shoe including half circular arc left and right clamp shoe, corresponds to the inner peripheral face of brake shoe and installs circumference and prop the brake shoe outward, circumference and prop the brake shoe including half circular arc left and right outer support shoe, is equipped with camshaft support, shoe axle support and adjusting arm support on the inboard axis body of Zhou Zhidong dish, left and right outer support shoe and the one end of left and right clamp shoe respectively with the interior, outer shoe shaft hole that is equipped with on the shoe axle support articulates through interior, outer shoe axle, wear to install the camshaft on camshaft support and the adjusting arm support, the inner S type cam of front end interval setting, outer S type cam disposes with the inner of the left and right brake arm that articulates on the camshaft support, the outer S type cam with the outer end of brake arm, the outer end of left and right brake arm is with the left and right, the outer end of left and right brake arm is disposed, the outer shoe is characterized in that the outer shoe is disposed with the left and right end of the outer shoe, the outer shoe is disposed, and is characterized in that: the outer ends of the inner side end surfaces of the left brake arm and the right brake arm are provided with brake force-aid arms extending backwards, the middle part of the outer side end surface is provided with a round shaft extending forwards, the lower end of the outer side end surface is provided with an outer roller shaft hole, an outer roller is connected with the brake arm through an outer roller shaft, the center of the end surface of the brake force-aid arm is provided with a guide shaft extending backwards, the guide shaft is connected with the other ends of the left clamping shoe and the right clamping shoe, the round shaft is connected with a cam shaft support, and the outer roller is configured with an outer S-shaped cam.
According to the scheme, one end of the left clamping shoe and one end of the right clamping shoe are provided with hooves, the hooves are provided with hinge holes which are hinged with the shaft holes of the outer shoe through outer shoe shafts, the outer side end of the inner wall of the other end of the hooves is provided with grooves which are configured with the brake booster arms, the inner side end of the inner wall of the other end of the left clamping shoe and the inner side end of the other end of the right clamping shoe are provided with guide holes, the outer profile of the front side of the brake booster arm is involute and meshed with the front side of the grooves, the guide shafts are matched with the guide holes, and the inner circumferential surfaces of the left clamping shoe and the right clamping shoe are provided with inner friction plates.
According to the scheme, the ends of the other ends of the left and right outer supporting shoe plates are respectively provided with an inner roller shaft hole which is connected with the inner roller through an inner roller shaft and is configured with the inner S-shaped cam, and the outer circumferential surfaces of the left and right outer supporting shoe plates are provided with outer friction plates.
According to the scheme, the inner S-shaped cam and the outer S-shaped cam are composed of two arc-shaped wing blocks with gradually increased rotating radiuses, the rotating radiuses of the inner S-shaped cam are smaller than those of the outer S-shaped cam, a spline is arranged at the driving end of the cam shaft, and the spline is configured with the adjusting arm.
According to the scheme, the cam shaft support is of an L-shaped plate structure and comprises a bottom plate and a supporting plate, the bottom plate is connected with the shaft body, two sides of the upper portion of the supporting plate are symmetrically provided with hinge holes, the center of the lower portion of the supporting plate is provided with a supporting hole, the hinge holes are connected with the circular shaft through bearings, and the supporting holes are connected with the cam shaft through bearings.
According to the scheme, the two sides of the bottom plate of the camshaft support are provided with reversing support holes which are hinged with one end of the reversing support, the two sides of the bottom of the shoe shaft support are provided with reversing tension spring holes which are respectively connected with one end of the reversing tension spring, the other end of the reversing tension spring is connected with the middle part of the reversing support, the other ends of the left clamping shoe and the right clamping shoe are respectively connected with one end of the reversing return spring, and the other end of the reversing return spring is connected with the other end of the reversing support.
According to the scheme, zhou Zhidong dish comprises urceolus and inner tube that coaxial setting was equipped with the even interval between urceolus and the inner tube and is equipped with several connecting rib, the space between several connecting rib forms the heat dissipation wind channel, and the outer peripheral face of urceolus is outer braking surface, and the inner peripheral face of inner tube is interior braking surface, outer, interior braking surface respectively with the left and right clamping shoe and the friction disc that sets up on left and right outer support shoe dispose mutually, the brake pulley with the even interval in circumference is equipped with a plurality of air outlets on the terminal surface that hub links to each other.
According to the scheme, the inboard end of week brake disc is equipped with the wind scooper, the wind scooper includes left and right cover body, left and right cover body upper and lower both ends respectively with shoe axle support and camshaft support link to each other, left and right cover body all include the outer fringe be curved back casing and follow the curved side casing that back casing outer fringe set up, be equipped with the air intake on the back casing, the clearance between side casing and the week brake disc forms tire heat dissipation wind channel.
According to the scheme, the outer end of the guide shaft is provided with the positioning pin hole.
The beneficial effects of the invention are as follows: 1. the circumferential clamping brake shoes and the circumferential outer supporting brake shoes of the circumferential brake disc are arranged to form a circumferential clamping brake caliper structure, and the inner and outer synchronous braking forces are distributed internally and externally, so that the braking area is greatly increased, the braking distance is effectively shortened, the service life of a braking system is prolonged, the abrasion of friction plates is reduced, and the braking heating is avoided; 2. the air guide cover is arranged, so that the heat dissipation efficiency is improved, the natural wind for vehicle running is utilized to cool the braking system and the tires, the braking high temperature and the tire ignition are stopped, and the stability and the safety of the automobile braking are further improved.
Drawings
FIG. 1 is a split schematic of one embodiment of the present invention.
Fig. 2 is a schematic view of a shoe shaft support and a camshaft support and shaft body according to an embodiment of the present invention.
Fig. 3 is a schematic view of the structure of a circumferential clamping brake caliper according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a wind scooper and a peripheral brake disc according to an embodiment of the present invention.
Fig. 5 is an isometric view of a right brake arm according to one embodiment of the invention.
Fig. 6 is a schematic diagram illustrating the separation of a Zhou Zhidong disk from a hub according to an embodiment of the invention.
Fig. 7 is a schematic diagram of a braking state according to an embodiment of the present invention.
Wherein: the brake system comprises a shaft body 1, a hub 2, a circumferential brake disc 3, an inner friction plate 4, an outer friction plate 5, a circumferential clamping brake caliper 6, a shoe shaft bracket 7, an inner shoe shaft 8, an outer shoe shaft 9, an inner shoe shaft 10, an outer shoe shaft 11, a circumferential outer support brake shoe 12, a circumferential clamping brake shoe 13, a reversing tension spring hole 14, a reversing return spring 15, a reversing bracket hole 16, a reversing bracket 17, a shoe lug 18, a hinge hole 19, a groove 20, a brake arm 21, a guide hole 22, a reversing tension spring 23, an inner roller shaft 24, an inner roller shaft 25, an inner roller 26, a cam shaft support 27, a cam shaft 28, a support hole 29, an inner S-shaped cam 30, an outer S-shaped cam 31, an adjusting arm 32, a guide shaft 33, a locating pin hole 34, a round shaft 35, a brake booster arm 36, an outer roller shaft 37, a bearing 38, an outer roller 39, an outer roller 40, an inner brake surface 41, an outer brake surface 42, a connecting rib 43, a heat dissipation air duct 44, an air outlet 45, a tire bolt 46, a left cover 47, a right cover 48, a tire support 50, an air intake air duct 50 and an air duct 51.
Detailed Description
For a better understanding of the present invention, reference is made to the following description of the invention taken in conjunction with the accompanying drawings and examples.
As shown in fig. 1-3, 5 and 6, an automobile peripheral disc brake system comprises a shaft body 1 and a hub 2, wherein the inner side of the hub is connected with a peripheral brake disc 3 which synchronously runs with the hub through a tire bolt 46, a peripheral clamping brake shoe 13 is arranged on the outer peripheral surface of the corresponding Zhou Zhidong disc, the peripheral clamping brake shoe comprises a semicircular left clamping shoe and a semicircular right clamping shoe, a peripheral outer supporting brake shoe 12 is arranged on the inner peripheral surface of the corresponding brake wheel, the peripheral outer supporting brake shoe comprises a semicircular left outer supporting shoe and a semicircular right outer supporting shoe, the peripheral clamping brake shoe and the peripheral outer supporting brake shoe form a peripheral clamping brake caliper 6, a cam shaft support 27, a shoe shaft support 7 and an adjusting arm support 51 are arranged on the shaft body on the inner side of the Zhou Zhidong disc, one ends of the left outer supporting shoe, the right outer supporting shoe and the left outer clamping shoe are respectively hinged with an inner shoe shaft hole 10 and an outer shoe shaft hole 11 arranged on the shoe shaft support through an inner shoe shaft 8 and an outer shoe shaft 9, the camshaft support and the adjusting arm support are provided with a camshaft 28 in a penetrating way, the rear end of the camshaft is connected with an adjusting arm 32, the front end is provided with an inner S-shaped cam 30 and an outer S-shaped cam 31 at the front end, the outer S-shaped cam is configured with the inner end of a braking arm 21 hinged on the camshaft support, the braking arm comprises a left braking arm and a right braking arm, the outer ends of the left braking arm and the right braking arm are respectively connected with the other ends of a left clamping shoe and a right clamping shoe, the inner S-shaped cam is configured with the other ends of the left and the right outer clamping shoes, the outer ends of the inner side end surfaces of the left braking arm and the right braking arm are provided with a braking booster arm 36 which extends backwards, the middle part of the outer side end surface is provided with a round shaft 35 which extends forwards, the lower end is provided with an outer roller shaft hole 37, an outer roller 40 is connected with the braking arm through an outer roller shaft 39, the center of the end surface of the braking booster arm is provided with a guide shaft 33 which extends backwards, the guide shaft is connected with the other ends of the left clamping shoe, the round shaft is connected with the cam shaft support, the outer roller is configured with the outer S-shaped cam, the outer side end of the guide shaft is provided with a positioning pin hole 34 which is matched with the positioning pin, and the connection of the guide shaft and the circumferential clamping brake shoe is ensured.
The shoe ear 18 is arranged at one end of the left and right clamping shoe pieces, the shoe ear is provided with a hinge hole 19 which is hinged with the outer shoe piece shaft hole through the outer shoe piece shaft, the outer side end of the inner wall of the other end is provided with a groove 20 which is configured with a brake booster arm, the inner side end of the inner wall of the other end of the left and right clamping shoe pieces is provided with a guide hole 22, the outer profile of the front side surface of the brake booster arm is involute, the guide shaft is meshed with the front side surface of the groove, the guide shaft is matched with the guide hole, and the inner circumferential surfaces of the left and right clamping shoe pieces are provided with inner friction pieces 4.
The ends of the other ends of the left and right outer support hooves are respectively provided with an inner roller shaft hole 24 which is connected with an inner roller 26 through an inner roller shaft 25 and is configured with an inner S-shaped cam, and the outer circumferential surfaces of the left and right outer support hooves are provided with an outer friction plate 5.
The inner S-shaped cam and the outer S-shaped cam are composed of two arc-shaped wing blocks with gradually increased rotating radiuses, the rotating radiuses of the inner S-shaped cam are smaller than those of the outer S-shaped cam, a spline is arranged at the driving end of the cam shaft, and the spline and the adjusting arm are configured through the spline.
The camshaft support is of an L-shaped plate structure and comprises a bottom plate and a supporting plate, wherein the bottom plate is connected with a shaft body, two sides of the upper part of the supporting plate are symmetrically provided with hinge holes, the center of the lower part of the supporting plate is provided with a supporting hole 29, the hinge holes are connected with a circular shaft through bearings 38, and the supporting holes are connected with a camshaft through bearings.
The two sides of the bottom plate of the camshaft support are provided with reversing support holes 16 which are hinged with one end of a reversing support 17, the two sides of the bottom of the shoe shaft support are provided with reversing tension spring holes 14 which are respectively connected with one end of a reversing tension spring 23, the other end of the reversing tension spring is connected with the middle part of the reversing support, the other ends of the left clamping shoe and the right clamping shoe are respectively connected with one end of a reversing return spring 15, and the other end of the reversing return spring is connected with the other end of the reversing support. The reversing support is arranged to enable the reversing return spring and the reversing tension spring to be compressed or stretched along the axial direction, and the reversing return spring and the reversing tension spring can be positioned on the same straight line in the state that the left clamping shoe and the right clamping shoe are clamped by a brake or are in the state that the left clamping shoe and the right clamping shoe are in the outward supporting state of being reset, so that the reversing return spring and the reversing tension spring are labor-saving and convenient, the spring is prevented from deforming, and the service life is prolonged.
As shown in fig. 4, the Zhou Zhidong disc is composed of an outer cylinder and an inner cylinder which are coaxially arranged, a plurality of connecting ribs 43 are uniformly arranged between the outer cylinder and the inner cylinder at intervals, a heat dissipation air duct 44 is formed by gaps among the plurality of connecting ribs, the outer circumferential surface of the outer cylinder is an outer braking surface 42, the inner circumferential surface of the inner cylinder is an inner braking surface 41, the outer braking surface and the inner braking surface are respectively configured with friction plates arranged on a left clamping shoe, a right clamping shoe, a left outer supporting shoe and a right outer supporting shoe, and a plurality of air outlets 45 are uniformly arranged on the end surfaces of the braking wheels connected with the hub at intervals along the circumferential direction.
The inboard end of week brake disc is equipped with the wind scooper, and the wind scooper includes left cover body 47, right cover body 48, and left and right cover body upper and lower both ends link to each other with shoe axle support and camshaft support respectively, and left and right cover body all includes the outer fringe and is curved back casing and follows the curved side casing that the back casing outer fringe set up, is equipped with air intake 49 on the back casing, and the clearance between side casing and the week brake disc forms tire heat dissipation wind channel 50.
As shown in fig. 7, the braking process is as follows: the inner S-shaped cam is positioned between two rollers of the left and right outer supporting shoe plates, the outer S-shaped cam is positioned between two outer rollers of the left and right brake arms, the left and right wing blocks of the inner and outer S-shaped cams are respectively matched with the inner and outer rollers, the cam shaft is rotated, when the two wings of the inner S-shaped cam respectively act on the two inner rollers, the two inner rollers move in opposite directions along with the rotation of the inner S-shaped cam, so that the left and right outer supporting shoe plates are driven to swing in opposite directions, the left and right outer supporting shoe plates are in an outward opening state, the circumferential outer supporting brake shoes form an increasingly tight braking state, when the distance between the two inner rollers is largest, namely, the two wing blocks of the inner S-shaped cam form a 180-degree angle with the two inner roller, at the moment, the braking force of the circumferential outer supporting brake shoes reach the maximum value, at the moment, the two wings of the outer S-shaped cam respectively act on the two outer rollers, the left and right brake arms rotate around a round shaft, the distance between the two outer rollers is increased, and the two brake booster arms also synchronously rotate in grooves, so that the left and right outer supporting shoe plates are driven to clamp in opposite directions, and the left and right outer side clamping line is formed, and the two outer side clamping brake shoes are in a 180-degree, and the two clamping state is formed, and the two clamping brake shoes are in a horizontal clamping state, and the clamping state is achieved, and the two clamping and the two side and has a largest angle and has a largest clamping angle and a clamping angle and a clamping angle; and (3) rotating the cam shaft, when the distance between the two inner rollers is minimum, namely, the two wing blocks of the inner S-shaped cam are perpendicular to the two inner rollers to form an angle of 90 degrees, the distance between the two inner rollers is minimum, at the moment, the left outer support shoe and the right outer support shoe rotate relatively, the circumferential outer support brake shoe returns to a non-braking state with a circumferential gap of a Zhou Zhidong disc in time, at the moment, the distance between the two outer rollers is minimum, namely, the two wing blocks of the outer S-shaped cam are perpendicular to the two outer rollers to form an angle of 90 degrees, at the moment, the left clamping shoe and the right clamping shoe rotate oppositely, and the circumferential clamping shoe returns to the non-braking state with the circumferential gap of the Zhou Zhidong disc in time.
Claims (7)
1. The utility model provides an automobile circumference disk braking system, includes axis body and wheel hub, the inboard connection of wheel hub is rather than synchronous operation' S Zhou Zhidong dish, corresponds Zhou Zhidong dish outer peripheral face and installs circumference and press from both sides tight brake shoe, circumference press from both sides tight brake shoe including half circular arc left and right clamp shoe, corresponds to the inner peripheral face of brake shoe and installs circumference and prop the brake shoe outward, circumference and prop the brake shoe including half circular arc left and right outer support shoe, is equipped with camshaft support, shoe axle support and adjusting arm support on the inboard axis body of Zhou Zhidong dish, left and right outer support shoe and the one end of left and right clamp shoe respectively with the interior, outer shoe shaft hole that is equipped with on the shoe axle support articulates through interior, outer shoe axle, wear to install the camshaft on camshaft support and the adjusting arm support, the inner S type cam of front end interval setting, outer S type cam disposes with the inner of the left and right brake arm that articulates on the camshaft support, the outer S type cam with the outer end of brake arm, the outer end of left and right brake arm is with the left and right, the outer end of left and right brake arm is disposed, the outer shoe is characterized in that the outer shoe is disposed with the left and right end of the outer shoe, the outer shoe is disposed, and is characterized in that: the outer ends of the inner side end surfaces of the left brake arm and the right brake arm are provided with backward extending brake force-aid arms, the middle part of the outer side end surface is provided with a forward extending round shaft, the lower end of the outer side end surface is provided with an outer roller shaft hole, an outer roller is connected with the brake arm through an outer roller shaft, the center of the end surface of the brake force-aid arm is provided with a backward extending guide shaft, the guide shaft is connected with the other ends of the left clamping shoe and the right clamping shoe, the round shaft is connected with a cam shaft support, and the outer roller is configured with an outer S-shaped cam;
the outer profile of the front side of the brake booster arm is involute, the front side of the brake booster arm is meshed with the front side of the groove, the guide shaft is matched with the guide hole, and inner friction plates are arranged on the inner peripheral surfaces of the left and right clamping shoes;
the ends of the other ends of the left and right outer support shoe plates are respectively provided with an inner roller shaft hole which is connected with an inner roller through an inner roller shaft and is configured with the inner S-shaped cam, and the outer circumferential surfaces of the left and right outer support shoe plates are provided with outer friction plates.
2. The automobile peripheral disc brake system of claim 1, wherein the inner and outer S-shaped cams are each composed of two arc-shaped wing blocks with gradually increased rotating radiuses, which are arranged in a central symmetry manner, the rotating radius of the inner S-shaped cam is smaller than that of the outer S-shaped cam, and the driving end of the cam shaft is provided with a spline which is configured with the adjusting arm.
3. The automotive disc brake system of claim 1, wherein the cam shaft support has an L-shaped plate structure comprising a bottom plate and a support plate, the bottom plate is connected to the shaft body, hinge holes are symmetrically formed in both sides of the upper portion of the support plate, a support hole is formed in the center of the lower portion of the support plate, the hinge hole is connected to the circular shaft through a bearing, and the support hole is connected to the cam shaft through a bearing.
4. A vehicle disc brake system according to claim 3, wherein two sides of the bottom plate of the cam shaft support are provided with reversing support holes hinged with one end of the reversing support, two sides of the bottom of the shoe shaft support are provided with reversing tension spring holes respectively connected with one end of the reversing tension spring, the other end of the reversing tension spring is connected with the middle part of the reversing support, the other ends of the left and right clamping shoes are respectively connected with one end of the reversing return spring, and the other end of the reversing return spring is connected with the other end of the reversing support.
5. The disc brake system of claim 1, wherein the Zhou Zhidong disc comprises an outer cylinder and an inner cylinder which are coaxially arranged, a plurality of connecting ribs are uniformly arranged between the outer cylinder and the inner cylinder at intervals, gaps among the connecting ribs form a heat dissipation air duct, the outer circumferential surface of the outer cylinder is an outer braking surface, the inner circumferential surface of the inner cylinder is an inner braking surface, the outer braking surface and the inner braking surface are respectively configured with friction plates arranged on the left clamping shoe, the right clamping shoe and the left outer supporting shoe, and a plurality of air outlets are uniformly arranged on the end surface of the brake wheel connected with the hub at intervals along the circumferential direction.
6. The automobile peripheral disc brake system of claim 1, wherein the inner side of the peripheral brake disc is provided with a wind scooper, the wind scooper comprises a left cover body and a right cover body, the upper end and the lower end of the left cover body and the right cover body are respectively connected with the shoe shaft support and the cam shaft support, the left cover body and the right cover body respectively comprise a rear shell with an arc-shaped outer edge and an arc-shaped side shell arranged along the outer edge of the rear shell, the rear shell is provided with an air inlet, and a tire heat dissipation air duct is formed in a gap between the side shell and the peripheral brake disc.
7. A vehicle disc brake system according to claim 1, wherein said outboard end of said guide axle is provided with a dowel hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421957.1A CN108488259B (en) | 2018-05-04 | 2018-05-04 | Automobile peripheral disc type braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421957.1A CN108488259B (en) | 2018-05-04 | 2018-05-04 | Automobile peripheral disc type braking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108488259A CN108488259A (en) | 2018-09-04 |
| CN108488259B true CN108488259B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810421957.1A Active CN108488259B (en) | 2018-05-04 | 2018-05-04 | Automobile peripheral disc type braking system |
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| CN (1) | CN108488259B (en) |
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