CN112377541B - Noise-reducing brake beam with remarkable noise-reducing effect for vehicle - Google Patents
Noise-reducing brake beam with remarkable noise-reducing effect for vehicle Download PDFInfo
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- CN112377541B CN112377541B CN202011515884.6A CN202011515884A CN112377541B CN 112377541 B CN112377541 B CN 112377541B CN 202011515884 A CN202011515884 A CN 202011515884A CN 112377541 B CN112377541 B CN 112377541B
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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
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
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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
- F16D65/0006—Noise or vibration control
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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
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/28—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged apart from the brake
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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
- F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play
- F16D65/54—Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment
- F16D65/546—Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment for mounting within the confines of a drum brake
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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
- F16D65/82—Features relating to cooling for internally-engaging brakes
- F16D65/827—Features relating to cooling for internally-engaging brakes with open cooling system, e.g. cooled by air
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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
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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
- F16D2065/134—Connection
Abstract
The invention discloses a vehicle noise reduction brake beam with a remarkable noise reduction effect, and particularly relates to the technical field of vehicle noise reduction. Through setting up the chute, brake drum and chamfer, because the amortization piece both ends on two brake shoes and brake shoe surface all are provided with the chamfer, and the chamfer at both ends piles up each other, make when using the brake drum, the structure in the brake drum can the inherent sound frequency of effectual change, at the braking in-process, the rubbing piece powder that brake shoe wearing and tearing appear, can follow the chute and discharge the clearance, and then reduced the residue and piled up in the brake drum, thereby cause in the brake drum because pile up the dust too much and the circumstances of damage appears, and then when having reduced this brake beam noise emission, the life of this brake beam has been ensured.
Description
Technical Field
The invention relates to the technical field of vehicle noise reduction, in particular to a vehicle noise reduction brake beam with a remarkable noise reduction effect.
Background
The common automobile noise mainly comprises tire noise, road noise, wind noise, engine noise, brake noise and the like, and the brake noise is one of the common noises of the automobile during braking.
Chinese patent document (CN 108860122A) discloses a novel damping and noise-reducing modular support for a brake system, which proposes in the specification that "the development of passenger cars is different day by day, drivers and passengers have new pursuits for NVH of passenger cars, and how to identify various noise sources in the cars and reduce the noise level is also one of the latest research works of engineers in various major host plants. As is well known, even though the passenger car with air brake produced by the passenger car manufacturer which is the mainstream in China, if the whole car adopts a piston reciprocating air compressor, the noise of the drier or the condenser at the tail end of an inflating loop can be caused due to the motion characteristic of a piston, the noise can be easily transmitted into the car through a full-bearing framework car body with a hollow square tube structure to form the sound of the 'rattling' in the car, and the passenger car on the market at present does not have an effective solution for the phenomenon.
However, when the existing automobile brake device is in operation, the brake cylinder discharges liquid into the brake disc, so that the liquid pushes the brake friction wheel inside the brake disc to contact with the brake wheel connected in the wheel, thereby increasing the friction force when the brake wheel rotates, at the moment, the brake wheel is locked due to the friction force between the brake wheel and the friction wheel, but the service lives of the friction wheel and the brake wheel can be greatly shortened through a hard friction mode, and the service lives of other parts in the automobile are easily influenced due to high temperature generated during friction, and simultaneously, the friction wheel can make a large sound due to friction during braking, so that certain noise pollution can be caused to the environment, and pedestrians around can be frightened and influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a vehicle noise reduction brake beam with a remarkable noise reduction effect, and the technical problems to be solved by the invention are as follows: however, when the existing automobile brake device operates, the brake cylinder discharges liquid into the brake disc, so that the liquid pushes the brake friction wheel inside the brake disc to contact with the brake wheel connected in the wheel, thereby increasing the friction force when the brake wheel rotates, at the moment, the brake wheel is locked due to the friction force between the brake wheel and the friction wheel, but the service lives of the friction wheel and the brake wheel can be greatly shortened through a hard friction mode, and the service lives of other parts in the automobile are easily influenced due to high temperature generated during friction, and simultaneously, the friction wheel can make a large sound due to friction during braking, so that certain noise pollution can be caused to the environment, and pedestrians around can be frightened and influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a brake beam of making an uproar falls in vehicle that noise reduction effect is showing, includes the chassis, the front on chassis is provided with the brake pump, two liquid outlets of brake pump are linked together with the one end of two brake drain roof beam opposite faces respectively, and the back of two brake drain roof beams all with the front fixed connection on chassis, and the one end that two brake drain roof beams kept away from mutually is linked together through guide arm and first arresting gear, and the opposite face that corresponds two first arresting gear has two second arresting gear with the joint respectively.
As a further scheme of the invention: the first brake device comprises a brake shell, the left side surface of the brake shell is communicated with the top end of a brake liquid guide beam through a guide rod, the inner wall of the brake shell is in lap joint with the outer surface of the second brake device, the front surface and the back surface of the brake shell are both provided with installation buckles, the inner wall of the brake shell is movably connected with the outer surface of a brake chuck, and the brake chuck is communicated with the guide rod through a conduction mechanism.
As a further scheme of the invention: the brake chuck comprises a brake clamping shell, the outer surface of the brake clamping shell is movably connected with the inner wall of the brake shell, the brake clamping shell is communicated with the guide rod through a conduction mechanism, the front surface of the brake clamping shell is fixedly connected with the back surface of the friction heat-conducting sheet, the back surface of the brake clamping shell is provided with a liquid guide valve, and the back surface of the liquid guide valve is communicated with the right end of the guide rod.
As a further scheme of the invention: the second brake device comprises a brake drum, the outer surface of the brake drum is movably connected with the inner wall of the brake shell, the inner wall of the brake drum is fixedly connected with the outer surface of the brake bottom plate, two brake shoe devices are arranged on the front surface of the brake bottom plate, and the two brake shoe devices are both arc-shaped.
As a further scheme of the invention: the brake shoe device comprises two brake shoes, the two brake shoes are arranged on the front face of the brake base plate, silencing pieces are arranged on the front face and the back face of each brake shoe, and chamfers which are symmetrical to each other are arranged at two ends of each silencing piece and two ends of each brake shoe.
As a further scheme of the invention: the front and the back of the brake shoe are both provided with two chutes, the angle between vertical center lines on the side faces of the brake shoe with the chutes is 40-65 degrees, and the depth of the two chutes is 4-15 mm.
As a further scheme of the invention: the brake block is characterized in that cooling liquid is arranged in the brake block shell, the cooling liquid in the brake block shell is set to be high-concentration cooling liquid, and the inner wall of the brake shell and the outer surface of the brake chuck are both set to be arc-shaped.
As a further scheme of the invention: the front surface of the brake bottom plate is provided with a fastening support, the upper surface of the fastening support is movably connected with the bottom end of a brake wheel cylinder, and the top end of the brake wheel cylinder and the bottom end of the fastening support are fixedly connected with the right end of an upper brake shoe and the right end of a lower brake shoe respectively.
As a further scheme of the invention: the front side of the brake bottom plate is provided with an adjustable support, two ends of the adjustable support are fixedly connected with the left ends of the upper brake shoe and the lower brake shoe respectively, return springs are arranged on the front side and the back side of each of the two brake shoes, and two ends corresponding to the two return springs are fixedly connected with the front side and the back side of each of the two brake shoes respectively through locking mechanisms.
As a further scheme of the invention: the front side of the brake bottom plate is provided with a wheel mounting hole groove, and the friction heat-conducting fins are wear-resistant heat-conducting fins.
The invention has the beneficial effects that:
1. the invention arranges the inclined groove, the brake shoe, the brake drum and the chamfer, because the two ends of the silencing sheet on the surfaces of the two brake shoes and the brake shoe are provided with the chamfers and the chamfers at the two ends are piled up, the structure in the brake drum can effectively change the inherent sound frequency when the brake drum is used, thereby reducing the low-frequency noise, and when the vehicle brakes, the noise generated by the friction between the brake shoe and the brake drum passes through the inclined groove with the angle of 40-65 degrees and is diffused along the angle in the inclined groove, thereby achieving the effect of reducing the noise, the friction and rolling of the brake drum and the brake shoe in the braking process of the brake shoe can lead the friction and rolling of the brake shoe to gradually wear the friction sheet powder, can be discharged and cleaned from the inclined groove, thereby reducing the residue piled in the brake drum, causing the damage condition caused by the excessive dust piled up in the brake drum, further reducing the noise generated by the brake beam, the service life of the brake beam is guaranteed;
2. the invention is provided with the brake chuck, the brake clamping shell and the liquid guide valve, when a pedal in a vehicle is stepped on, the acting force of a push rod is applied to a brake pump, the pressure of brake fluid is amplified and pushes a brake liquid guide beam, pistons at two ends of the brake liquid guide beam can simultaneously push the shoe ends of left and right brake shoes with equal acting force, the other ends of the two brake shoes are supported by a support rod, because the brake pump can push liquid to enter the brake liquid guide beam and part of the liquid is injected into the liquid guide valve through the brake liquid guide beam, at the moment, because the gas in the brake clamping shell is completely discharged, the density in the brake clamping shell is rapidly increased, the possibility that sound penetrates through the brake clamping shell is effectively prevented, the friction heat-conducting sheet can conduct heat generated when the brake clamping shell is contacted with a tire, because the cooling liquid is positioned in the brake clamping shell, the friction heat-conducting sheet can transmit the heat to the position of the cooling liquid, in the using process of the brake beam, the cooling liquid can reduce noise, effectively reduce the temperature of a brake clamping shell in the braking process and improve the safety of the brake beam.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is a schematic perspective view of a brake housing according to the present invention;
FIG. 3 is a schematic cross-sectional view of the brake shoe from the right of the present invention;
FIG. 4 is a schematic structural diagram of the brake shoe viewed from the right according to the present invention;
FIG. 5 is a schematic three-dimensional structure of the brake caliper housing of the present invention;
FIG. 6 is an enlarged schematic view of the structure of the present invention at A;
in the figure: 1 chassis, 2 brake pumps, 3 brake fluid guide beams, 4 first brake devices, 41 brake shells, 42 mounting buckles, 43 brake chucks, 431 brake clamp shells, 432 fluid guide valves, 433 friction heat-conducting sheets, 5 second brake devices, 51 brake drums, 52 brake bottom plates, 53 brake shoe devices, 531 brake shoes, 532 noise dampers, 533 inclined grooves, 534 chamfers, 54 brake cylinders, 55 fastening supports, 56 return springs, 57 adjustable supports and 6 guide rods.
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.
As shown in figures 1-6, the invention provides a vehicle noise reduction brake beam with a remarkable noise reduction effect, which comprises a chassis 1, wherein the front surface of the chassis 1 is provided with a brake pump 2, two liquid outlets of the brake pump 2 are respectively communicated with one end of the opposite surfaces of two brake liquid guide beams 3, the back surfaces of the two brake liquid guiding beams 3 are fixedly connected with the front surface of the chassis 1, the ends of the two brake liquid guiding beams 3 far away are communicated with the first brake device 4 through a guide rod 6, two second braking devices 5 are respectively clamped and connected with the opposite surfaces corresponding to the two first braking devices 4, and because the chamfer 534 is arranged, since both ends of the two brake shoes 531 and the noise-reduction plate 532 on the surface of the brake shoe 531 are provided with chamfers 534, and the chamfers 534 at both ends are stacked on each other so that the structure inside the brake drum 51 can effectively change the inherent sound frequency when the brake drum 51 is used, thereby reducing the low frequency noise.
As shown in fig. 2 and 3, the first brake device 4 includes a brake housing 41, a left side surface of the brake housing 41 is communicated with a top end of the brake fluid guiding beam 3 through a guide rod 6, an inner wall of the brake housing 41 is overlapped with an outer surface of the second brake device 5, both a front surface and a back surface of the brake housing 41 are provided with mounting buckles 42, the inner wall of the brake housing 41 is movably connected with an outer surface of a brake chuck 43, and due to the mounting buckles 42, when the brake housing 41 is mounted and assembled, the stability of the mounted brake housing 41 can be ensured, so that the brake housing 41 is not easy to fall off and damage, the brake chuck 43 is communicated with the guide rod 6 through a conduction mechanism, the brake chuck 43 includes a brake card housing 431, the outer surface of the brake card housing 431 is movably connected with the inner wall of the brake housing 41, the brake card housing 431 is communicated with the guide rod 6 through the conduction mechanism, and due to the brake housing 41 and the brake card housing 431, in the braking process, due to the effect of inertia, the load of the front wheel of the vehicle usually accounts for 70 to 80 percent of the total load of the automobile, the braking force of the front wheel is larger than that of the rear wheel, the rear wheel plays an auxiliary role, and due to the low manufacturing cost and large braking force of the brake drum 51, the durability of the brake shoe 531 is higher than that of a disc type automatic brake, so that the applicability of the brake drum 51 is improved, the front surface of the brake clamp shell 431 is fixedly connected with the back surface of a friction heat conducting sheet 433, the back surface of the brake clamp shell 431 is provided with a liquid guide valve 432, the back surface of the liquid guide valve 432 is communicated with the right end of a guide rod 6, the brake clamp shell 431 is internally provided with cooling liquid, the cooling liquid in the brake clamp shell 431 is provided with high-concentration cooling liquid, and due to the arrangement of the cooling liquid, the cooling liquid can effectively prevent sound from passing through the brake clamp shell 431, and simultaneously, the friction heat conducting sheet 433 can conduct the heat generated when the brake clamp shell 431 is contacted with the tire, because the cooling liquid is in braking card shell 431 for friction conducting strip 433 can be with the position of heat transmission to coolant liquid, makes this brake beam in the in-process of using, and the coolant liquid not only can reduce the noise, and the effectual temperature that reduces at braking in-process braking card shell 431, has improved this brake beam's security, and the inner wall of brake shell 41 and the surface of brake chuck 43 all set up to the arc.
As shown in fig. 3 and 4, the second brake device 5 includes a brake drum 51, the outer surface of the brake drum 51 is movably connected with the inner wall of the brake shell 41, the inner wall of the brake drum 51 is fixedly connected with the outer surface of the brake bottom plate 52, the front surface of the brake bottom plate 52 is provided with two brake shoe devices 53, the two brake shoe devices 53 are arranged in an arc shape, the brake shoe devices 53 include two brake shoes 531, the number of the brake shoes 531 is two, the two brake shoes 531 are arranged on the front surface of the brake bottom plate 52, because of the inclined groove 533, when the brake shoes are in the braking process, the brake drum 51 and the brake shoes rub and roll, friction powder which causes the brake shoes 531 to wear gradually can be discharged from the inclined groove 533 for cleaning, thereby reducing residue accumulation in the brake drum 51, causing damage to the brake drum 51 due to excessive accumulation of dust, further reducing noise emission of the brake beam 531, the service life of the brake beam is guaranteed, the front face and the back face of the brake shoe 531 are provided with the noise reduction sheets 532, two ends of the noise reduction sheets 532 and two ends of the brake shoe 531 are provided with the chamfers 534 which are mutually symmetrical, the front face and the back face of the brake shoe 531 are provided with the two inclined grooves 533, the angle between vertical center lines on the side faces of the brake shoe 531 of the inclined grooves 533 is 40-65 degrees, and the depth of the two inclined grooves 533 is 4-15 mm.
As shown in fig. 2, 3, 5 and 6, the front surface of the brake base plate 52 is provided with a fastening support 55, the upper surface of the fastening support 55 is movably connected with the bottom end of the brake wheel cylinder 54, the top end of the brake wheel cylinder 54 and the bottom end of the fastening support 55 are fixedly connected with the right end of the upper brake shoe 531 and the right end of the lower brake shoe 531 respectively, the front surface of the brake base plate 52 is provided with an adjustable support 57, the two ends of the adjustable support 57 are fixedly connected with the left ends of the upper brake shoe 531 and the lower brake shoe 531 respectively, and the front surface and the back surface of the two brake shoes 531 are provided with return springs 56, because of the return springs 56, when the pedals are released, the liquid returns back to the brake pump 2 along the guide rod 6 again, at this time, under the elastic force of the four return springs 56, the two brake shoes 531 slowly move towards each other, thereby resetting the internal components of the second brake device 5, the brake beam can be restored for use only by loosening the pedal in the car body, the applicability of the brake beam is further guaranteed, the two ends of the two corresponding return springs 56 are fixedly connected with the front face and the back face of the brake shoe 531 through the locking mechanisms respectively, the front face of the brake bottom plate 52 is provided with a wheel mounting hole groove, and the friction heat-conducting strip 433 is arranged to be a wear-resistant heat-conducting strip.
The working principle of the invention is as follows: when the brake beam is used, only the automobile is started, and in the braking process, only the pedal in the automobile is needed to be stepped on, the lever principle is utilized, the acting force of the pedal is enabled to be applied to the brake pump 2, the pressure of brake fluid is amplified and the brake fluid guide beam 3 is pushed, pistons at two ends of the brake fluid guide beam 3 can simultaneously push the shoe ends of the left brake shoe 531 and the right brake shoe 531 with the same pushing force, the other ends of the two brake shoes 531 are supported by the supporting rod, at the moment, the two brake shoes 531 expand outwards and are attached to the inner surface of the brake drum 51 to form friction force, so that the braking purpose is achieved, after the pedal is released, the liquid can return back to the brake pump 2 along the guide rod 6 due to the reset of the pedal, at the moment, under the action of the elastic force of the four return springs 56, the two brake shoes 531 can slowly move in opposite directions, so as to reset the internal components of the second brake device 5, and after the reset is finished, when the distance between the brake shoes 531 needs to be adjusted according to the internal abrasion of the brake shoes 531, only the clearance value between the brake shoes 531 and the brake drum 51 needs to be measured through a feeler gauge, and then the distance between the two brake shoes 531 is adjusted through the adjustable support 57, and when the brake shoes 531 are abraded until rivets are only 0.8mm left, or the abrasion of the bonded brake shoes 531 is only 1.6mm, the brake shoes 531 are replaced.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (3)
1. A noise-reducing brake beam with remarkable noise-reducing effect for a vehicle comprises a chassis (1), and is characterized in that: the front surface of the chassis (1) is provided with a brake pump (2), two liquid outlets of the brake pump (2) are respectively communicated with one end of the opposite surfaces of the two brake liquid guide beams (3), the back surfaces of the two brake liquid guide beams (3) are fixedly connected with the front surface of the chassis (1), the far ends of the two brake liquid guide beams (3) are communicated with a first brake device (4) through a guide rod (6), and two second brake devices (5) are respectively clamped with the opposite surfaces corresponding to the two first brake devices (4);
the first brake device (4) comprises a brake shell (41), the left side surface of the brake shell (41) is communicated with the top end of a brake liquid guide beam (3) through a guide rod (6), the inner wall of the brake shell (41) is in lap joint with the outer surface of the second brake device (5), the front surface and the back surface of the brake shell (41) are both provided with mounting buckles (42), the inner wall of the brake shell (41) is movably connected with the outer surface of a brake chuck (43), and the brake chuck (43) is communicated with the guide rod (6) through a conduction mechanism;
the brake chuck (43) comprises a brake clamping shell (431), the outer surface of the brake clamping shell (431) is movably connected with the inner wall of the brake shell (41), the brake clamping shell (431) is communicated with the guide rod (6) through a conduction mechanism, the front surface of the brake clamping shell (431) is fixedly connected with the back surface of the friction heat-conducting sheet (433), a liquid guide valve (432) is arranged on the back surface of the brake clamping shell (431), and the back surface of the liquid guide valve (432) is communicated with the right end of the guide rod (6);
the second brake device (5) comprises a brake drum (51), the outer surface of the brake drum (51) is movably connected with the inner wall of the brake shell (41), the inner wall of the brake drum (51) is fixedly connected with the outer surface of a brake bottom plate (52), two brake shoe devices (53) are arranged on the front surface of the brake bottom plate (52), and the two brake shoe devices (53) are both arc-shaped;
the brake shoe device (53) comprises two brake shoes (531), the two brake shoes (531) are arranged on the front surface of the brake bottom plate (52), the front surface and the back surface of each brake shoe (531) are respectively provided with a silencing sheet (532), and two ends of each silencing sheet (532) and two ends of each brake shoe (531) are respectively provided with a chamfer angle (534) which are symmetrical to each other;
the front and the back of the brake shoe (531) are both provided with two inclined grooves (533), the angle between vertical center lines on the side surfaces of the brake shoe (531) of the inclined grooves (533) is 40-65 degrees, and the depth of the two inclined grooves (533) is 4-15 mm;
cooling liquid is arranged in the brake clamping shell (431), the cooling liquid in the brake clamping shell (431) is set to be high-concentration cooling liquid, and the inner wall of the brake shell (41) and the outer surface of the brake chuck (43) are both set to be arc-shaped;
the front surface of the brake bottom plate (52) is provided with a fastening support (55), the upper surface of the fastening support (55) is movably connected with the bottom end of a brake wheel cylinder (54), and the top end of the brake wheel cylinder (54) and the bottom end of the fastening support (55) are fixedly connected with the right end of an upper brake shoe (531) and the right end of a lower brake shoe (531) respectively.
2. A noise reducing brake beam for vehicles with significant noise reduction according to claim 1, wherein: the front surface of the brake bottom plate (52) is provided with an adjustable support (57), two ends of the adjustable support (57) are fixedly connected with the left ends of the upper brake shoe (531) and the lower brake shoe (531) respectively, return springs (56) are arranged on the front surfaces and the back surfaces of the two brake shoes (531), and two ends corresponding to the two return springs (56) are fixedly connected with the front surfaces and the back surfaces of the two brake shoes (531) respectively through locking mechanisms.
3. A noise reducing brake beam for vehicles with significant noise reduction according to claim 1, wherein: the front surface of the brake bottom plate (52) is provided with a wheel mounting hole groove, and the friction heat-conducting fins (433) are wear-resistant heat-conducting fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515884.6A CN112377541B (en) | 2020-12-21 | 2020-12-21 | Noise-reducing brake beam with remarkable noise-reducing effect for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515884.6A CN112377541B (en) | 2020-12-21 | 2020-12-21 | Noise-reducing brake beam with remarkable noise-reducing effect for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112377541A CN112377541A (en) | 2021-02-19 |
| CN112377541B true CN112377541B (en) | 2022-05-06 |
Family
ID=74589886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011515884.6A Active CN112377541B (en) | 2020-12-21 | 2020-12-21 | Noise-reducing brake beam with remarkable noise-reducing effect for vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN112377541B (en) |
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| CN112963472B (en) * | 2021-04-30 | 2023-04-18 | 西安铁路职业技术学院 | Railway brake caliper mounting assembly |
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