CN112172765A - Booster device of automobile hydraulic braking system - Google Patents

Booster device of automobile hydraulic braking system Download PDF

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Publication number
CN112172765A
CN112172765A CN202011097571.3A CN202011097571A CN112172765A CN 112172765 A CN112172765 A CN 112172765A CN 202011097571 A CN202011097571 A CN 202011097571A CN 112172765 A CN112172765 A CN 112172765A
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China
Prior art keywords
hydraulic cylinder
hydraulic
rod
side wall
fixedly connected
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CN202011097571.3A
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Chinese (zh)
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CN112172765B (en
Inventor
刘晓光
徐雁波
徐浩
李威
辛学松
王洽锋
马长喜
田菲
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Shangqiu Institute of Technology
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Shangqiu Institute of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a booster device of an automobile hydraulic braking system, which comprises a first hydraulic cylinder and a plurality of second hydraulic cylinders, wherein a first piston is arranged in the first hydraulic cylinder, the side wall of the first hydraulic cylinder is hermetically connected with a flow guide pipe, the flow guide pipe is provided with a plurality of flow distribution pipes, the flow distribution pipes are respectively hermetically connected with the side walls of the second hydraulic cylinders, two second pistons are arranged in the second hydraulic cylinder, the two second pistons are respectively positioned at the two sides of the flow distribution pipes, the side walls of the second pistons are rotatably connected with a push rod, the side walls of the two sides of the second hydraulic cylinder are respectively and fixedly connected with a support rod, and one end of the support rod, far away from the second hydraulic cylinder, is rotatably connected with a transmission rod. The invention can brake the wheels from multiple sides, improve the braking effect, avoid the inclination of the wheels, improve the stability, reduce the abrasion of the wheels and play a good role in braking wheels with different sizes.

Description

Booster device of automobile hydraulic braking system
Technical Field
The invention relates to the technical field of hydraulic braking, in particular to a booster device of an automobile hydraulic braking system.
Background
The brake system is one of the important components of the automobile and directly related to the comprehensive performance and life and property safety of the automobile, and comprises a service brake, a parking brake and an auxiliary brake. The service brake is a main brake of the automobile, and generally adopts a drum type or disc type friction braking mode to convert kinetic energy and potential energy of the automobile into heat energy through friction, so that the aim of decelerating or braking the automobile is fulfilled.
In the prior art, when a hydraulic system is used for braking, wheels are braked from one side, so that the braking effect is poor, the wheels are easy to incline, a large potential safety hazard is caused, the flowing speed of hydraulic oil is low, the braking effect is reduced, and a brake block continuously rubs with the wheels and is easy to damage.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when a wheel is braked from one side, the braking effect is poor, the wheel is easy to incline, the potential safety hazard is large, the flowing speed of hydraulic oil is slow, the braking effect is reduced, and a brake block continuously rubs against the wheel and is easy to damage.
In order to achieve the purpose, the invention adopts the following technical scheme:
a booster device of an automobile hydraulic braking system comprises a first hydraulic cylinder and a plurality of second hydraulic cylinders, wherein a first piston is arranged in the first hydraulic cylinder, a diversion pipe is hermetically connected to the side wall of the first hydraulic cylinder, a plurality of diversion pipes are arranged on the diversion pipe and are respectively hermetically connected with the side walls of the plurality of second hydraulic cylinders, two second pistons are arranged in the second hydraulic cylinder and are respectively positioned at the two sides of the diversion pipe, the side walls of the second pistons are rotatably connected with a push rod, the side walls of the two sides of the second hydraulic cylinder are respectively and fixedly connected with a support rod, one end of the support rod, far away from the second hydraulic cylinder, is rotatably connected with a transmission rod, one end of the transmission rod, far away from the push rod, is rotatably connected with a movable rod, and the side wall of the second hydraulic cylinder is slidably connected with two braking plates, the side wall of the brake plate is rotatably connected with the movable rod.
Preferably, the side wall of the second hydraulic cylinder is fixedly connected with a linear slide rail, and the side wall of the brake plate is fixedly connected with a moving part matched with the linear slide rail.
Preferably, the side wall of the supporting rod is rotatably connected with a sleeve through a rotating shaft, the side wall of the sleeve is connected with the transmission rod in a sliding mode, the side wall of the sleeve is provided with a locking bolt, and the side wall of the transmission rod is provided with a plurality of thread grooves matched with the locking bolt.
Preferably, the inner wall of the second hydraulic cylinder rotates and is connected with the liquid wheel, the lateral wall that the centre of a circle was kept away from to the liquid wheel rotates and is connected with the swinging arms that rotates, the one end that the liquid wheel was kept away from to the swinging arms rotates and is connected with vertical lifter, the sealed inner wall that runs through the second hydraulic cylinder of lifter is located outside the second hydraulic cylinder the upper end of lifter passes through reset spring fixedly connected with gag lever post, reset spring's one end rotation is kept away from to the gag lever post is connected with the antifriction plate.
Preferably, a plurality of limiting slide rails are fixedly connected to the upper end side wall of the second hydraulic cylinder, limiting rods are slidably connected to the limiting slide rails, the limiting rods penetrate through openings of the limiting slide rails and are fixedly connected with the side walls of the wear-resisting plates, telescopic springs are sleeved on the limiting rods, and two ends of each telescopic spring are respectively fixedly connected with the side walls of the wear-resisting plates and the side walls of the limiting slide rails.
Preferably, the side wall of the shunt tube is provided with a drainage tube, the drainage tube extends to the upper part of the second hydraulic cylinder, the drainage tube is hermetically connected with the side wall of the second hydraulic cylinder, the shunt tube is positioned on the side surface of one side of the liquid wheel, and the drainage tube is positioned on the side surface of the other side of the liquid wheel.
Preferably, the inner wall of the second hydraulic cylinder is provided with two flow guide blocks, the side walls of the flow guide blocks are obliquely arranged, and the two flow guide blocks correspond to the positions of the flow dividing pipe and the drainage pipe respectively.
Preferably, the inner wall of the second hydraulic cylinder is fixedly connected with a plurality of groups of stop blocks, and the plurality of groups of stop blocks are respectively positioned on two sides of the two second pistons.
Compared with the prior art, the invention has the beneficial effects that:
1. when the vehicle is braked, hydraulic oil in the first hydraulic cylinder flows to abut against the second piston to move, so that the two brake plates are driven to approach, and the vehicle wheel is clamped from two sides together, so that the brake effect is improved, the vehicle wheel can be prevented from inclining, and the stability during braking is ensured;
2. when hydraulic oil enters the second hydraulic cylinder from the flow dividing pipe, the hydraulic wheel can be driven to rotate by the flowing of the hydraulic oil, and then the hydraulic wheel drives the lifting rod and the wear-resisting plate to lift, so that the hydraulic wheel can be rubbed from the side wall of the wheel, the braking effect is further improved, meanwhile, the wear-resisting plate is contacted and separated with the wheel for multiple times, the wear on the wheel is reduced, and the service life of the hydraulic wheel is prolonged;
3. the relative position between the transmission rod and the support rod can be adjusted, so that the transmission relation between the second piston and the brake plate can be changed, and the brake device is suitable for braking wheels with different sizes and sizes, and improves the practicability.
Drawings
Fig. 1 is a schematic structural diagram of a booster device of a hydraulic brake system of an automobile according to the present invention;
FIG. 2 is a schematic cross-sectional view of a second hydraulic cylinder;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic view of the connection structure of the strut and the sleeve.
In the figure: the hydraulic brake device comprises a first hydraulic cylinder 1, a second hydraulic cylinder 2, a first piston 3, a flow guide pipe 4, a flow division pipe 5, a second piston 6, a push rod 7, a support rod 8, a transmission rod 9, a movable rod 10, a brake plate 11, a sleeve 12, a locking bolt 13, a hydraulic wheel 14, a swinging rod 15, a lifting rod 16, a return spring 17, a limiting rod 18, a wear-resisting plate 19, a limiting slide rail 20, a limiting rod 21, a telescopic spring 22, a drainage pipe 23, a flow guide block 24 and a stop block 25.
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.
Referring to fig. 1-4, a booster device of an automobile hydraulic braking system comprises a first hydraulic cylinder 1 and a plurality of second hydraulic cylinders 2, wherein two flow guide blocks 24 are arranged on the inner wall of each second hydraulic cylinder 2, the side walls of the flow guide blocks 24 are obliquely arranged, the two flow guide blocks 24 respectively correspond to positions of a shunt tube 5 and a drainage tube 23, hydraulic oil can flow to two sides faster through the flow guide blocks 24, and the hydraulic oil is prevented from flowing towards a hydraulic wheel 14, so that the hydraulic wheel 14 can rotate smoothly, resistance applied during rotation is small, the inner wall of each second hydraulic cylinder 2 is fixedly connected with a plurality of groups of stop blocks 25, the plurality of groups of stop blocks 25 are respectively positioned on two sides of the two second pistons 6, the second pistons 6 can be stopped by the stop blocks 25, the second pistons 6 are prevented from being separated from the second hydraulic cylinders 2, the inner walls of the second hydraulic cylinders 2 are rotatably connected with the hydraulic wheels 14, the side walls of the hydraulic wheels 14 far away from the circle center are rotatably, one end of the swing rod 15, which is far away from the liquid wheel 14, is rotatably connected with a vertical lifting rod 16, and the lifting rod 16 hermetically penetrates through the inner wall of the second hydraulic cylinder 2;
the upper end of a lifting rod 16 positioned outside the second hydraulic cylinder 2 is fixedly connected with a limiting rod 2118 through a return spring 17, one end of the limiting rod 2118 far away from the return spring 17 is rotatably connected with an abrasion-resistant plate 19, the upper end side wall of the second hydraulic cylinder 2 is fixedly connected with a plurality of limiting slide rails 20, the limiting slide rails 20 are slidably connected with the limiting rod 2118, the limiting rod 2118 penetrates through the openings of the limiting slide rails 20 and is fixedly connected with the side walls of the abrasion-resistant plate 19, an expansion spring 22 is sleeved on the limiting rod 2118, two ends of the expansion spring 22 are respectively fixedly connected with the side walls of the abrasion-resistant plate 19 and the side walls of the limiting slide rails 20, the limiting rod 2118 and the expansion spring 22 are matched with each other through the structures of the limiting slide rails 20, the limiting rod 2118 and the expansion spring 22, and the like, so that the stability of the limiting plate during lifting can be ensured, and, a plurality of shunt tubes 5 are arranged on the draft tube 4, and a draft tube 23 is arranged on the side wall of each shunt tube 5;
the drainage tube 23 extends to the upper part of the second hydraulic cylinder 2, the drainage tube 23 is hermetically connected with the side wall of the second hydraulic cylinder 2, the shunt tubes 5 are positioned on one side surface of the liquid wheel 14, the drainage tube 23 is positioned on the other side surface of the liquid wheel 14, hydraulic oil is drained to the other side surface of the liquid wheel 14 through the drainage tube 23, so that impact force can be generated on the other side surface of the liquid wheel 14, the hydraulic oil can drive the liquid wheel 14 to rotate faster, when the liquid wheel 14 rotates, the hydraulic oil can be quickly guided to two sides, so that the speed of the hydraulic oil entering the second hydraulic cylinder 2 is increased, the shunt tubes 5 are hermetically connected with the side walls of the second hydraulic cylinders 2 respectively, two second pistons 6 are arranged in the second hydraulic cylinder 2, the two second pistons 6 are positioned on two sides of the shunt tubes 5 respectively, the side walls of the second pistons 6 are rotatably connected with push rods 7, the side walls of the second hydraulic cylinders 2 are fixedly connected with support, the side wall of the supporting rod 8 is rotatably connected with a sleeve 12 through a rotating shaft;
the side wall of the sleeve 12 is connected with the transmission rod 9 in a sliding manner, the side wall of the sleeve 12 is provided with a locking bolt 13, the side wall of the transmission rod 9 is provided with a plurality of thread grooves matched with the locking bolt 13, the locking bolt 13 is screwed into different thread grooves, the position of the transmission rod 9 is changed, the relative position between the transmission rod 9 and the support rod 8 can be adjusted, and thus the transmission relation between the second piston 6 and the brake plate 11 can be changed, so that the brake device is suitable for braking wheels with different sizes and different sizes, the practicability of the brake device is improved, one end of the support rod 8, far away from the second hydraulic cylinder 2, is rotatably connected with the transmission rod 9, one end of the push rod 7 is rotatably connected with one end of the transmission rod 9, far away from the push rod 7, is rotatably connected with a movable rod 10, the side wall of the second hydraulic cylinder 2, the side wall of the brake plate 11 is fixedly connected with a moving part matched with the linear slide rail, and through the matching of the linear slide rail and the moving part, the brake plate 11 can be ensured not to obliquely swing when moving, so that the brake plate 11 can play a good braking effect on a wheel, and the side wall of the brake plate 11 is rotatably connected with the movable rod 10.
When an automobile is hydraulically braked, the first piston 3 is pressed downwards, the first piston 3 can extrude hydraulic oil, the hydraulic oil is extruded into the second hydraulic cylinder 2 through the flow guide pipe 4 and the flow dividing pipe 5 and then props against the second piston 6 to move, so that the two second pistons 6 are far away from each other, the second piston 6 pushes the push rod 7 to move, the push rod 7 props against one end of the transmission rod 9 to move, the transmission rod 9 can rotate like a seesaw under the limitation of the supporting rod 8, the upper end of the transmission rod 9 can prop against the movable rod 10 to move, the movable rod 10 can prop against the brake plates 11 to move, the two brake plates 11 are close to each other, so that the wheel is clamped from two sides together, the braking effect is improved, the wheel inclination can be avoided, and the stability during braking is ensured;
when hydraulic oil gets into second hydraulic cylinder 2 from shunt tubes 5 in, the flow of hydraulic oil can drive liquid wheel 14 and rotate, and the rotation of liquid wheel 14 can make hydraulic oil flow to both sides faster, thereby improve the speed of hydraulic oil diffusion, liquid wheel 14 drives the one end rotation of swinging arms 15, swinging arms 15 drives lifter 16 and goes up and down, lifter 16 drives reset spring 17 and antifriction plate 19 and removes repeatedly, antifriction plate 19 can contact with the wheel repeatedly like this, the separation, can rub it from the lateral wall of wheel like this, further improve the effect of braking, antifriction plate 19 contacts with the wheel many times simultaneously, the separation, the wearing and tearing that the wheel received have also been reduced, prolong its life.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The booster device of the automobile hydraulic braking system comprises a first hydraulic cylinder (1) and a plurality of second hydraulic cylinders (2), and is characterized in that a first piston (3) is arranged in the first hydraulic cylinder (1), a diversion pipe (4) is hermetically connected to the side wall of the first hydraulic cylinder (1), a plurality of diversion pipes (5) are arranged on the diversion pipe (4), the diversion pipes (5) are hermetically connected with the side wall of the second hydraulic cylinders (2), two second pistons (6) are arranged in the second hydraulic cylinders (2), the two second pistons (6) are respectively positioned at two sides of the diversion pipes (5), the side walls of the second pistons (6) are rotatably connected with a push rod (7), the side walls of two sides of the second hydraulic cylinders (2) are fixedly connected with a supporting rod (8), one end, far away from the second hydraulic cylinders (2), of the supporting rod (8) is rotatably connected with a transmission rod (9), the one end of catch bar (7) is rotated with the one end of transfer line (9) and is connected, the one end that catch bar (7) were kept away from in transfer line (9) is rotated and is connected with movable rod (10), the lateral wall sliding connection of second hydraulic cylinder (2) has two braking plates (11), the lateral wall and the movable rod (10) of braking plate (11) rotate and are connected.
2. Booster device for hydraulic brake system of car according to claim 1, characterized in that the side wall of the second hydraulic cylinder (2) is fixedly connected with a linear slide rail, and the side wall of the brake plate (11) is fixedly connected with a moving part matching with the linear slide rail.
3. The booster device of the hydraulic brake system of the automobile according to claim 1, wherein the side wall of the supporting rod (8) is rotatably connected with a sleeve (12) through a rotating shaft, the side wall of the sleeve (12) is slidably connected with the transmission rod (9), the side wall of the sleeve (12) is provided with a locking bolt (13), and the side wall of the transmission rod (9) is provided with a plurality of thread grooves matched with the locking bolt (13).
4. The booster device of the hydraulic braking system of the automobile according to claim 1, characterized in that a liquid wheel (14) is rotatably connected to the inner wall of the second hydraulic cylinder (2), a swinging rod (15) is rotatably connected to the side wall, away from the center of the circle, of the liquid wheel (14), a vertical lifting rod (16) is rotatably connected to one end, away from the liquid wheel (14), of the swinging rod (15), the lifting rod (16) penetrates through the inner wall of the second hydraulic cylinder (2) in a sealing manner, a limiting rod (21) (18) is fixedly connected to the upper end, located outside the second hydraulic cylinder (2), of the lifting rod (16) through a return spring (17), and a wear-resisting plate (19) is rotatably connected to one end, away from the return spring (17), of the limiting rod (21) (18).
5. The booster device of the hydraulic automobile brake system as claimed in claim 4, wherein a plurality of limiting slide rails (20) are fixedly connected to the upper end side wall of the second hydraulic cylinder (2), limiting rods (21) (18) are slidably connected to the limiting slide rails (20), the limiting rods (21) (18) penetrate through openings of the limiting slide rails (20) and are fixedly connected with the side walls of the wear plates (19), telescopic springs (22) are sleeved on the limiting rods (21) (18), and two ends of each telescopic spring (22) are fixedly connected with the side walls of the wear plates (19) and the side walls of the limiting slide rails (20), respectively.
6. The booster device of a hydraulic brake system of an automobile according to claim 4, wherein the side wall of the shunt tube (5) is provided with a drainage tube (23), the drainage tube (23) extends to the upper part of the second hydraulic cylinder (2), the drainage tube (23) is connected with the side wall of the second hydraulic cylinder (2) in a sealing way, the shunt tube (5) is positioned on one side surface of the liquid wheel (14), and the drainage tube (23) is positioned on the other side surface of the liquid wheel (14).
7. Booster apparatus of hydraulic brake system for car according to claim 6, characterized in that the inner wall of the second hydraulic cylinder (2) is provided with two guide blocks (24), the side wall of the guide block (24) is arranged obliquely, and the two guide blocks (24) correspond to the positions of the shunt tube (5) and the drainage tube (23), respectively.
8. Booster device for a hydraulic vehicle brake system according to claim 1, characterized in that a plurality of sets of stops (25) are fixedly connected to the inner wall of the second hydraulic cylinder (2), the plurality of sets of stops (25) being located on either side of the two second pistons (6).
CN202011097571.3A 2020-10-14 2020-10-14 Booster device of automobile hydraulic braking system Active CN112172765B (en)

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Application Number Priority Date Filing Date Title
CN202011097571.3A CN112172765B (en) 2020-10-14 2020-10-14 Booster device of automobile hydraulic braking system

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Application Number Priority Date Filing Date Title
CN202011097571.3A CN112172765B (en) 2020-10-14 2020-10-14 Booster device of automobile hydraulic braking system

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CN112172765A true CN112172765A (en) 2021-01-05
CN112172765B CN112172765B (en) 2021-10-22

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB367653A (en) * 1930-05-19 1932-02-25 Teves Kg Alfred Improvements in hydraulic brake cylinders
GB796828A (en) * 1955-01-07 1958-06-18 Moritz Straus Disc brake operated by pneumatic or hydraulic pressure
JPH08159179A (en) * 1994-12-05 1996-06-18 Toyo Umpanki Co Ltd Disc brake device for vertical reach forklift
CN1576635A (en) * 2003-07-29 2005-02-09 住友电工刹车系统株式会社 Brake tongs device
KR20060030863A (en) * 2006-02-06 2006-04-11 송광헌 Impact absortion apparatus of vehicles
CN110053593A (en) * 2019-04-23 2019-07-26 江苏理工学院 A kind of multiple-piece rail transit car braking system
CN210027376U (en) * 2019-06-19 2020-02-07 西安工业大学 Mechanical electronic hydraulic braking system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB367653A (en) * 1930-05-19 1932-02-25 Teves Kg Alfred Improvements in hydraulic brake cylinders
GB796828A (en) * 1955-01-07 1958-06-18 Moritz Straus Disc brake operated by pneumatic or hydraulic pressure
JPH08159179A (en) * 1994-12-05 1996-06-18 Toyo Umpanki Co Ltd Disc brake device for vertical reach forklift
CN1576635A (en) * 2003-07-29 2005-02-09 住友电工刹车系统株式会社 Brake tongs device
KR20060030863A (en) * 2006-02-06 2006-04-11 송광헌 Impact absortion apparatus of vehicles
CN110053593A (en) * 2019-04-23 2019-07-26 江苏理工学院 A kind of multiple-piece rail transit car braking system
CN210027376U (en) * 2019-06-19 2020-02-07 西安工业大学 Mechanical electronic hydraulic braking system

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