CN112065888B - Lorry disc brake adopting braking material - Google Patents
Lorry disc brake adopting braking material Download PDFInfo
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- CN112065888B CN112065888B CN202010957376.7A CN202010957376A CN112065888B CN 112065888 B CN112065888 B CN 112065888B CN 202010957376 A CN202010957376 A CN 202010957376A CN 112065888 B CN112065888 B CN 112065888B
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- brake
- braking
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- side wall
- block
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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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
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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
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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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
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/42—Slack adjusters mechanical non-automatic
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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
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
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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
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
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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
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/24—Electric or magnetic using motors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a disc brake of a heavy truck adopting a brake material, which relates to the technical field of automobile braking and comprises a brake caliper, a brake disc, a first brake unit, a second brake unit, a third brake unit and a compensation unit, wherein a brake cavity is formed in the middle of the top of the brake caliper, and the lower end part of the brake disc extends into the brake cavity, so that the brake caliper is divided into a right caliper body and a left caliper body, the first brake unit is arranged in the right caliper body and connected with a brake pedal to complete service braking on the brake disc, meanwhile, the second brake unit is arranged in the left caliper body and connected with a parking brake rod to realize parking braking, a groove is fixedly formed in the bottom of the brake caliper corresponding to the brake cavity, the third brake unit is fixedly arranged in the groove, and when a danger occurs, the emergency braking is carried out on the brake disc by matching the third brake unit with a right brake pad, and the safety of braking is improved.
Description
Technical Field
The invention relates to the technical field of automobile braking, in particular to a disc brake of a lorry, which adopts braking materials.
Background
The rear disc brake is a brake actuating device in a car and mini car brake system and is a key component in an automobile brake system. The working principle is that the hydraulic pressure generated by a brake master cylinder assembly is transmitted to a rear brake caliper body through a brake pipeline to enable a brake block to be in contact with a rear brake disc so as to generate frictional resistance to prevent the rotation or the rotating trend of a wheel. The rear disc brake has more elements than the drum brake, and can integrate an emergency braking system and a parking braking system into the brake caliper body, so the structure is more compact, the maintenance difficulty is higher, but the rear brake caliper has the obvious advantages compared with the rear drum brake, the braking efficiency stability is good, the braking balance is good, the heat dissipation is good, the water-contacting stability is good, the brake pad is convenient to replace, and the rear drum brake tends to be gradually replaced.
However, in the case of trucks, the load capacity is generally greater, and therefore the wear of the brakes is relatively greater; after long-time use, the abrasion between the brake block and the brake disc is increased continuously, and the clearance is required to be adjusted frequently so as to ensure normal braking reaction; and the regulation of traditional structure is comparatively complicated, and the braking mode is single, and the parking is unstable.
Disclosure of Invention
The invention aims to provide a lorry disc brake made of a brake material, which is provided with a first brake unit, a second brake unit and a third brake unit, so that the brake mode is more diversified and the parking is more stable.
In order to achieve the purpose, the invention provides the following technical scheme: the brake caliper comprises a brake caliper, a brake disc, a first brake unit, a second brake unit, a third brake unit and a compensation unit, wherein a brake cavity is formed in the middle of the top of the brake caliper, the lower end of the brake disc extends into the brake cavity, the brake caliper is divided into a right caliper body and a left caliper body, the first brake unit is arranged inside the right caliper body, a right brake pad is fixedly installed at the end of the first brake unit, the right brake pad extends into the brake cavity and is positioned on the right side of the brake disc, the second brake unit is arranged inside the left caliper body, a left brake pad is fixedly installed at the end of the second brake unit, the left brake pad also extends into the brake cavity and is positioned on the left side of the brake disc, a groove is fixedly formed in the bottom of the brake caliper corresponding to the brake cavity, the third brake unit is fixedly installed in the groove, an arc brake pad is fixedly installed at the top of the third brake unit, and the radian of the arc brake pad corresponds to the outer diameter of the brake disc; the two side walls of the brake disc are fixedly provided with conical brake bodies, the end pieces of the right brake piece and the left brake piece are arranged to be inclined planes, and the inclined angles of the right brake piece and the left brake piece correspond to the inclined angles of the brake bodies.
As a further scheme of the invention: the first brake unit comprises a linear motor, a brake pressing block and a first connecting block, wherein a first cavity is formed in the right caliper body, the linear motor is arranged in the first cavity, the linear motor is fixedly installed on the side wall of the first cavity, the linear motor is connected to the output shaft of the linear motor through a coupling, the brake pressing block is fixedly installed at the end of the linear motor, a mounting groove is formed in the end of the pressing block, the connecting block is installed in the mounting groove in an interference mode, the connecting block is slidably installed in the side wall of the first cavity, the end of the connecting block stretches into the brake cavity, a right brake disc is fixedly installed at the end of the connecting block, and the first brake unit is connected with a brake pedal.
As a further scheme of the invention: the brake block is characterized in that a push block is fixedly mounted on the side wall of the top of the straight moving shaft, the side wall of the front end of the push block is connected with the side wall of the right end of the brake block, a limit block is fixedly mounted on the side wall of the tail of the straight moving shaft, a stop block is fixedly mounted on the side walls of the two ends of the first cavity, the baffle is made of high-strength composite materials, and the stop block is located at the front end of the limit block.
As a further scheme of the invention: the second brake unit comprises a push cylinder, a lead screw, a driven gear and a driving gear, wherein a cavity II is formed in the left caliper body, a driven gear and a driving gear are arranged in the cavity II, the driven gear is installed on the side wall of the cavity II through an installation shaft, the driven gear and the driving gear are meshed together, the driving gear is fixedly installed on a rotating rod, the rotating rod extends out of the side wall of the left caliper body, the rotating rod is installed on a parking brake rod, the driven gear is far away from the side wall of the installation shaft, the lead screw is fixedly installed on the side wall, away from the installation shaft, of the lead screw, the push cylinder is installed on the outer side of the lead screw in a threaded mode, the push cylinder is slidably installed on the side wall of the cavity II, a connecting block II is slidably installed at the front end of the push cylinder, the front end of the connecting block II extends into the brake cavity, and a left brake block is fixedly installed on the end face of the connecting block II.
As a further scheme of the invention: and a reset groove is formed in the side wall, close to the second connecting block, of the left clamp body, a reset rod is fixedly mounted on the side wall, located in the reset groove, of the second connecting block, a reset spring is mounted on the side wall of the reset rod, and the other end of the reset spring is connected with the side wall of the reset groove.
As a further scheme of the invention: the third brake unit comprises a hydraulic cylinder, a telescopic rod, an arc-shaped plate and an arc-shaped brake piece, wherein the hydraulic cylinder is fixedly installed at the bottom of the groove, the telescopic rod is fixedly installed at the output end of the hydraulic cylinder, the end of the telescopic rod stretches into the interior of the brake cavity, the arc-shaped plate is fixedly installed at the top of the telescopic rod and located at the bottom of the brake disc, the arc-shaped brake piece is fixedly installed on the upper surface of the arc-shaped plate, the position sensor is fixedly installed at the input end of the hydraulic cylinder, and the sensing end of the position sensor is installed at the bottom of the brake pedal.
As a further scheme of the invention: the compensating mechanism comprises a fixing block, a connecting rod and a push rod, wherein the fixing block is fixedly mounted on the side wall of the end part of the connecting rod, the fixing block is fixedly mounted inside the brake caliper, and the push rod is fixedly mounted at the other end of the connecting rod.
As a further scheme of the invention: a plurality of heat dissipation holes are formed in the side wall of the brake disc.
As a still further scheme of the invention: the end parts of the first connecting block and the second connecting block are provided with external threads, the end surfaces of the right brake piece and the left brake piece are provided with internal threads, the internal threads correspond to the external threads, and the right brake piece and the left brake piece are installed at the end parts of the first connecting block and the second connecting block in a threaded mode.
Compared with the prior art, the invention has the beneficial effects that:
1. the brake device is provided with a first brake unit and a second brake unit, a right brake piece is fixedly mounted at the end part of the first brake unit, the first brake unit and a brake pedal are connected together, the brake pedal is stepped to control a linear motor to work in the process of driving braking, an output shaft of the linear motor pushes a connecting block I to horizontally move through a linear moving shaft, so that the right brake piece is extruded to the side wall of a brake body, the driving braking of a brake disc is completed, and compared with the traditional cylinder braking, the brake device is quicker in braking; meanwhile, the second brake unit is connected with the parking brake rod, in the parking brake process, a driver pulls the parking brake rod to drive the rotating rod to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the lead screw to rotate, so that the push cylinder is driven to do linear motion, the push cylinder drives the connecting block II to do horizontal motion, the left brake piece is extruded to the side wall of the brake body, the brake of the brake disc is completed, and the parking brake is realized.
2. The brake device is provided with a third brake unit, the third brake unit is arranged right below the brake disc, a position sensor is arranged in the third brake unit, a sensing end of the position sensor is arranged at the bottom of the brake pedal, when a danger occurs, a driver treads the position sensor to the bottom of the vehicle by treading the pedal, the position sensor controls the hydraulic cylinder to work to drive the telescopic rod to move vertically, the arc brake disc is extruded to the bottom of the brake disc, and the brake disc is emergently braked by matching with the right brake disc.
3. The brake caliper is provided with the compensation mechanism, conical brake bodies are arranged on two side walls of the brake disc, and meanwhile, the end surfaces of the right brake disc and the left brake disc are arranged to be inclined surfaces corresponding to the conical brake bodies, so that on one hand, the contact area of the brake disc is increased, the brake speed is effectively improved, and meanwhile, when the surface of the brake disc is worn and consumed, the compensation mechanism is pushed upwards to drive the brake caliper to push upwards, so that the right brake disc and the left brake disc are pushed upwards, the right brake disc and the left brake disc are closer to the conical top surface of the brake bodies, the abrasion of the right brake disc and the left brake disc is compensated, the normal work of the brake caliper is ensured, and the abrasion compensation of the brake discs is more convenient.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a first brake unit according to the present invention.
Fig. 3 is a schematic structural diagram of a second brake unit of the present invention.
Fig. 4 is a schematic structural diagram of a third brake unit of the present invention.
As shown in the figure: 1. brake caliper, 2, brake disc, 21, brake body, 22, heat dissipation hole, 3, right caliper body, 31, first cavity, 4, left caliper body, 41, second cavity, 42, reset groove, 5, first brake unit, 51, linear motor, 52, coupler, 53, translation shaft, 54, brake pressing block, 55, first connecting block, 56, limiting block, 57, stopper, 58, push block, 6, second brake unit, 61, push cylinder, 62, lead screw, 63, driven gear, 64, driving gear, 65, mounting shaft, 66, rotating rod, 67, second connecting block, 68, reset rod, 69, reset spring, 7, third brake unit, 71, hydraulic cylinder, 72, telescopic rod, 73, arc plate, 74, arc brake block, 75, position sensor, 8, compensation mechanism, 81, fixed block, 82, connecting rod, 83, push rod, 9, right brake block, 10, left brake block, 11, brake cavity, 12, groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1 to 4, in the embodiment of the present invention, a truck disc brake using a brake material includes a brake caliper 1, a brake disc 2, a first brake unit 5, a second brake unit 6, a third brake unit 7 and a compensation unit 8, wherein a brake cavity 11 is formed in a middle position of a top of the brake caliper 1, and a lower end of the brake disc 2 extends into the brake cavity 11, so as to divide the brake caliper 1 into a right caliper body 3 and a left caliper body 4, wherein the first brake unit 5 is disposed inside the right caliper body 3, a right brake pad 9 is fixedly disposed at an end of the first brake unit 5, the right brake pad 9 extends into the brake cavity 11 and is located on a right side of the brake disc 2, a second brake unit 6 is disposed inside the left caliper body 4, a left brake pad 10 is fixedly disposed at an end of the second brake unit 6, the left brake pad 10 also extends into the brake cavity 11 and is located on a left side of the brake disc 2, a bottom of the brake caliper 1 corresponding to the brake cavity 11 is fixedly disposed with a groove 12, the third brake unit 7 is fixedly disposed in the groove 12, an arc-shaped brake pad 74 is fixedly disposed at a top of the third brake unit 7, and an outer diameter of the arc-shaped brake disc 2 corresponds to an outer diameter of the brake disc 2; the two side walls of the brake disc 2 are fixedly provided with conical brake bodies 21, the end pieces of the right brake piece 9 and the left brake piece 10 are arranged to be inclined planes, the inclined angles of the right brake piece 9 and the left brake piece 10 correspond to the inclined angles of the brake bodies 21, so that the right brake piece 9 and the left brake piece 10 are in full contact with the brake bodies 21 in the braking process, and the braking efficiency is guaranteed.
Referring to fig. 2, it can be seen that: the first brake unit 5 comprises a linear motor 51, a linear motion shaft 53, a brake pressure block 54 and a first connecting block 55, wherein the first cavity 31 is formed in the right caliper body 3, the linear motor 51 is arranged in the first cavity 31, the linear motor 51 is fixedly installed on the side wall of the first cavity 31, the linear motor 53 is connected to an output shaft of the linear motor 51 through a coupler 52, the brake pressure block 54 is fixedly installed at the end of the linear motion shaft 53, an installation groove is formed in the end of the pressure block 54, the connecting block 55 is installed in the installation groove in an interference mode, the connecting block 55 is slidably installed in the side wall of the first cavity 31, the end of the connecting block 55 extends into the brake cavity 11, and a right brake pad 9 is fixedly installed at the end of the connecting block 55, wherein the first brake unit 5 and the brake pedal are connected together, in the process of braking of a vehicle, the brake pedal is stepped on to control the linear motor 51 to work, the output shaft of the linear motor 51 pushes the first connecting block 55 to move horizontally through the linear motion shaft 53, so that the right brake pad 9 is extruded to the side wall of the brake body 21, and braking of the brake disc 2 is completed.
The top side wall of the straight moving shaft 53 is fixedly provided with a push block 58, the front end side wall of the push block 58 is connected with the right side wall of the brake pressing block 54, the contact area between the straight moving shaft 53 and the brake pressing block 54 is increased through the push block 58, the pressure of the end face of the straight moving shaft 53 is reduced, the service life of the straight moving shaft 53 is prolonged, meanwhile, the tail side wall of the straight moving shaft 53 is fixedly provided with a limiting block 56, the side walls at the two ends of the cavity I31 are fixedly provided with stop blocks 57, the baffle plate 57 is made of high-strength composite materials, meanwhile, the stop blocks 57 are located at the front end of the limiting block 56, the limiting block 56 is limited through the stop blocks 57, and the straight moving shaft 53 is prevented from pushing the brake pressing block 54 to collide on the side wall of the cavity I31 to damage the right caliper body 3.
Referring to fig. 3, it can be seen that: the second brake unit 6 includes a push cylinder 61, a lead screw 62, a driven gear 63 and a driving gear 64, wherein a second cavity 41 is formed inside the left caliper body 4, the driven gear 63 and the driving gear 64 are arranged inside the second cavity 41, the driven gear 63 is mounted on a side wall of the second cavity 41 through a mounting shaft 65, the driven gear 63 and the driving gear 64 are meshed together, the driving gear 64 is fixedly mounted on a rotating rod 66, the rotating rod 66 extends out of a side wall of the left caliper body 4, the rotating rod 66 is mounted on a parking brake rod, the rotating rod 66 is driven to rotate through the parking brake rod, the lead screw 62 is fixedly mounted on a side wall of the driven gear 63 far away from the mounting shaft 65, the push cylinder 61 is mounted on an outer thread of the lead screw 62, the push cylinder 61 is slidably mounted on a side wall of the second cavity 41, a second connecting block 67 is slidably mounted at a front end of the push cylinder 61, a front end of the second connecting block 67 extends into the brake cavity 11, a left end face of the second connecting block 67 is fixedly mounted with a left brake block 10, during parking brake, a driver pulls the parking brake rod to drive the brake rod to rotate the brake block 66, the brake block 63, the brake block 21, and the brake block is driven gear 63, so as to linearly extrude the brake disc to move to the brake disc 2, and the brake disc to drive the brake disc to move horizontally.
The side wall of the left caliper body 4 close to the second connecting block 67 is provided with the reset groove 42, the side wall of the second connecting block 67 located in the reset groove 42 is fixedly provided with the reset rod 68, the side wall of the reset rod 68 is provided with the reset spring 69, the other end of the reset spring 69 is connected with the side wall of the reset groove 42, when the parking brake rod is reset, the driving gear 64 controls the driven gear 63 to rotate reversely, the push cylinder 61 is reset to the initial position, the second connecting block 67 is reset to the initial position under the action of the reset spring 69 at the moment, and therefore the surface of the brake disc 2 is separated, and a driver can drive a vehicle normally.
Referring to fig. 3, it can be seen that: the third brake unit 7 comprises a hydraulic cylinder 71, a telescopic rod 72, an arc-shaped plate 73 and an arc-shaped brake pad 74, wherein the hydraulic cylinder 71 is fixedly installed at the bottom of the groove 12, the telescopic rod 72 is fixedly installed at the output end of the hydraulic cylinder 741, the end of the telescopic rod 72 extends into the brake cavity 11, the arc-shaped plate 73 is fixedly installed at the top of the telescopic rod 72, the arc-shaped plate 73 is located at the bottom of the brake disc 2, the arc-shaped brake pad 74 is fixedly installed on the upper surface of the arc-shaped plate 73, a position sensor 75 is fixedly installed at the input end of the hydraulic cylinder 71, the sensing end of the position sensor 75 is installed at the bottom of the brake pedal, when danger occurs, a driver treads the sensing end of the position sensor 75 onto the bottom of the vehicle by treading the pedal, the position sensor 75 controls the hydraulic cylinder 71 to work, the telescopic rod 72 is driven to vertically move, the arc-shaped brake pad 74 is extruded to the bottom of the brake disc 2, emergency braking is performed on the brake disc 2 by matching with the right brake pad 9, the braking time is shortened, and the reliability of braking is further improved.
The compensation mechanism 8 comprises a fixed block 81, a connecting rod 82 and a push rod 83, wherein the fixed block 81 is fixedly installed on the side wall of the end of the connecting rod 82, the fixed block 81 is fixedly installed inside the brake caliper 1 so as to connect the connecting rod 82 and the brake caliper 1 together, meanwhile, the push rod 83 is fixedly installed at the other end of the pair of connecting rods 82, when the right brake pad 9 and the left brake pad 10 are seriously worn, the push rod 83 is pushed to push the brake caliper 1 upwards so as to push the right brake pad 9 and the left brake pad 10 upwards, so that the right brake pad 9 and the left brake pad 10 are closer to the conical top surface of the brake body 21, the wear of the right brake pad 9 and the left brake pad 10 is compensated, and the normal work of the brake caliper 1 is ensured.
Preferably, the side wall of the brake disc 2 is provided with a plurality of heat dissipation holes 22, so that the heat dissipation rate of the brake disc 2 in the braking process is increased through the heat dissipation holes 22, and the high-temperature heat fading of the friction and wear performance is effectively avoided.
Preferably, the end parts of the first connecting block 55 and the second connecting block 67 are provided with external threads, the end surfaces of the right brake piece 9 and the left brake piece 10 are provided with internal threads, and the internal threads and the external threads correspond to each other, so that the right brake piece 9 and the left brake piece 10 are installed at the end parts of the first connecting block 55 and the second connecting block 67 in a threaded manner, and when the right brake piece 9 and the left brake piece 10 are seriously worn, the right brake piece 9 and the left brake piece 10 are conveniently replaced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention without departing from the spirit and scope of the invention.
Claims (2)
1. Adopt lorry disc brake of braking material, including braking pincers (1), brake disc (2), first braking unit (5), second braking unit (6), third braking unit (7) and compensating unit (8), its characterized in that: the brake caliper is characterized in that a brake cavity (11) is formed in the middle of the top of the brake caliper (1), the lower end of a brake disc (2) extends into the brake cavity (11), the brake caliper (1) is divided into a right caliper body (3) and a left caliper body (4), a first brake unit (5) is arranged inside the right caliper body (3), a right brake pad (9) is fixedly installed at the end of the first brake unit (5), the right brake pad (9) extends into the brake cavity (11) and is positioned on the right side of the brake disc (2), a second brake unit (6) is arranged inside the left caliper body (4), a left brake pad (10) is fixedly installed at the end of the second brake unit (6), the left brake pad (10) also extends into the brake cavity (11) and is positioned on the left side of the brake disc (2), a groove (12) is fixedly formed in the bottom of the brake caliper (1) corresponding to the brake cavity (11), a third brake unit (7) is fixedly installed in the groove (12), and an arc-shaped brake pad (74) is fixedly installed at the top of the third brake unit (7), and the radian of the brake disc (74) corresponds to the outer diameter of the brake disc (2);
conical braking bodies (21) are fixedly mounted on two side walls of the brake disc (2), end pieces of a right brake piece (9) and a left brake piece (10) are arranged to be inclined planes, and the inclined angles of the right brake piece (9) and the left brake piece (10) correspond to the inclined angles of the braking bodies (21);
the first brake unit (5) comprises a linear motor (51), a linear motion shaft (53), a brake pressing block (54) and a first connecting block (55), wherein a first cavity (31) is formed in the right caliper body (3), the linear motor (51) is arranged in the first cavity (31), the linear motor (51) is fixedly installed on the side wall of the first cavity (31), the output shaft of the linear motor (51) is connected with the linear motion shaft (53) through a coupler (52), the brake pressing block (54) is fixedly installed at the end part of the linear motion shaft (53), an installation groove is formed in the end part of the brake pressing block (54), the first connecting block (55) is installed in the installation groove in an interference manner, the first connecting block (55) is slidably installed in the side wall of the first cavity (31), the end part of the first connecting block (55) extends into the brake cavity (11), the right brake block (9) is fixedly installed at the end part of the first connecting block (55), and the first brake unit (5) is connected with a brake pedal;
a push block (58) is fixedly mounted on the side wall of the top of the straight moving shaft (53), the side wall of the front end of the push block (58) is connected with the side wall of the right side of the brake pressing block (54), a limiting block (56) is fixedly mounted on the side wall of the tail of the straight moving shaft (53), stop blocks (57) are fixedly mounted on the side walls of the two ends of the cavity I (31), the stop blocks (57) are made of high-strength composite materials, and the stop blocks (57) are located at the front ends of the limiting blocks (56);
the second brake unit (6) comprises a push cylinder (61), a lead screw (62), a driven gear (63) and a driving gear (64), wherein a second cavity (41) is formed in the left caliper body (4), the driven gear (63) and the driving gear (64) are arranged in the second cavity (41), the driven gear (63) is installed on the side wall of the second cavity (41) through an installation shaft (65), meanwhile, the driven gear (63) and the driving gear (64) are meshed together, the driving gear (64) is fixedly installed on a rotating rod (66), the rotating rod (66) extends out of the side wall of the left caliper body (4), the rotating rod (66) is installed on a parking brake rod, the lead screw (62) is fixedly installed on the side wall, far away from the installation shaft (65), the push cylinder (61) is installed on the outer side thread of the lead screw (62), the push cylinder (61) is installed on the side wall of the second cavity (41) in a sliding mode, the front end of the push cylinder (61) is installed with the second connection block (67) in a sliding mode, the front end of the second connection block (67) extends into the interior of the brake cavity (11), and meanwhile, a left end face (10) of the second connection block (67) is installed on a fixed brake block;
a reset groove (42) is formed in the side wall, close to the second connecting block (67), of the left clamp body (4), a reset rod (68) is fixedly mounted on the side wall, located on the reset groove (42), of the second connecting block (67), a reset spring (69) is mounted on the side wall of the reset rod (68), and the other end of the reset spring (69) is connected with the side wall of the reset groove (42);
the third brake unit (7) comprises a hydraulic cylinder (71), a telescopic rod (72), an arc-shaped plate (73) and an arc-shaped brake block (74), wherein the hydraulic cylinder (71) is fixedly installed at the bottom of the groove (12), the telescopic rod (72) is fixedly installed at the output end of the hydraulic cylinder (71), the end part of the telescopic rod (72) extends into the brake cavity (11), the arc-shaped plate (73) is fixedly installed at the top of the telescopic rod (72), the arc-shaped plate (73) is located at the bottom of the brake disc (2), the arc-shaped brake block (74) is fixedly installed on the upper surface of the arc-shaped plate (73), a position sensor (75) is fixedly installed at the input end of the hydraulic cylinder (71), and the sensing end of the position sensor (75) is installed at the bottom of the brake pedal;
the compensation unit (8) comprises a fixed block (81), connecting rods (82) and push rods (83), wherein the fixed block (81) is fixedly mounted on the side wall of the end part of each connecting rod (82), the fixed blocks (81) are fixedly mounted inside the brake caliper (1), and the push rods (83) are fixedly mounted at the other ends of the connecting rods (82);
the end parts of the first connecting block (55) and the second connecting block (67) are provided with external threads, the end surfaces of the right brake disc (9) and the left brake disc (10) are provided with internal threads, the internal threads correspond to the external threads, and the right brake disc (9) and the left brake disc (10) are installed at the end parts of the first connecting block (55) and the second connecting block (67) in a threaded mode;
in the process of driving and braking, a brake pedal is stepped to control the linear motor to work, an output shaft of the linear motor pushes the connecting block I to move horizontally through the linear moving shaft, so that the right brake disc is extruded to the side wall of the braking body, driving and braking of the brake disc are completed, and braking is quicker; meanwhile, the second brake unit is connected with the parking brake rod, in the parking brake process, a driver pulls the parking brake rod to drive the rotating rod to rotate, the driven gear is driven to rotate through the driving gear, the driven gear drives the lead screw to rotate, so that the push cylinder is driven to do linear motion, the push cylinder drives the connecting block II to do horizontal motion, the left brake piece is extruded to the side wall of the brake body, the brake of the brake disc is completed, and the parking brake is realized;
when danger occurs, a driver treads the pedal to enable the sensing end of the position sensor to be arranged on the bottom of the vehicle, the position sensor controls the hydraulic cylinder to work to drive the telescopic rod to move vertically, the arc brake piece is extruded to the bottom of the brake disc, and emergency braking is performed on the brake disc by matching with the right brake piece;
be provided with the tapered braking body on the both sides wall through the brake disc, the terminal surface of right side braking piece and left braking piece sets to the inclined plane that corresponds each other with the tapered braking body simultaneously, the area of contact of brake disc has been increased on the one hand, the effectual brake speed that has improved, when the surface of braking piece takes place wearing and tearing to consume simultaneously, upwards promote compensation mechanism, it upwards promotes to drive braking pincers, thereby upwards promote right side braking piece and left braking piece, make right side braking piece and left braking piece be close to the tapered top surface of braking body more, the wearing and tearing of compensation right side braking piece and left braking piece, guarantee the normal work of braking pincers, it is more convenient to the wearing and tearing compensation of braking piece.
2. The truck disc brake adopting a braking material according to claim 1, characterized in that: a plurality of heat dissipation holes (22) are formed in the side wall of the brake disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957376.7A CN112065888B (en) | 2020-09-13 | 2020-09-13 | Lorry disc brake adopting braking material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957376.7A CN112065888B (en) | 2020-09-13 | 2020-09-13 | Lorry disc brake adopting braking material |
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| CN112065888A CN112065888A (en) | 2020-12-11 |
| CN112065888B true CN112065888B (en) | 2022-12-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113790231B (en) * | 2021-11-13 | 2022-02-11 | 杭州丹佛斯科技有限公司 | Abrasionproof decreases new energy automobile brake mechanism |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19654729A1 (en) * | 1996-12-30 | 1999-07-22 | Bosch Gmbh Robert | Electromotive brake device |
| DE10204852A1 (en) * | 2002-02-06 | 2003-08-07 | Evalor Anstalt Vaduz | Disc brake for a vehicle brake system |
| DE102007008727B4 (en) * | 2007-02-22 | 2017-03-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake, in particular for a commercial vehicle |
| KR20100039072A (en) * | 2008-10-07 | 2010-04-15 | 주식회사 만도 | Disk brake with the onic electronic parking brake system |
| CN203335689U (en) * | 2013-03-28 | 2013-12-11 | 北京航空航天大学 | Vehicle electronic mechanical brake actuator |
| KR20150068566A (en) * | 2013-12-12 | 2015-06-22 | 주식회사 만도 | Electronic parking brake |
| CN204878440U (en) * | 2015-07-08 | 2015-12-16 | 虞王君 | Electromagnetism utmost point band brake |
| KR101816397B1 (en) * | 2016-05-04 | 2018-01-08 | 현대자동차주식회사 | Electro-Mechanical Brake |
| CN109915507B (en) * | 2016-10-22 | 2020-10-23 | 山东正阳科技有限公司 | Lorry disc brake adopting braking material |
| CN206290629U (en) * | 2016-12-26 | 2017-06-30 | 上海豪高机电科技有限公司 | Reductor brake fluid system |
| KR102066263B1 (en) * | 2018-02-20 | 2020-02-11 | 주식회사 만도 | Electric caliper brake |
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Effective date of registration: 20221128 Address after: 250000 Qingshiqiao village, Laiwu District, Jinan City, Shandong Province Applicant after: Shandong Qingshan Foundry Co.,Ltd. Address before: Room 201, No. 128, Yichuan Sixth Village, Putuo District, Shanghai, 200333 Applicant before: Huang Ying |
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