CN109552279A - A kind of heavy truck emergency brake auxiliary system - Google Patents

A kind of heavy truck emergency brake auxiliary system Download PDF

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Publication number
CN109552279A
CN109552279A CN201910064673.6A CN201910064673A CN109552279A CN 109552279 A CN109552279 A CN 109552279A CN 201910064673 A CN201910064673 A CN 201910064673A CN 109552279 A CN109552279 A CN 109552279A
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CN
China
Prior art keywords
hinged
connecting rod
friction
tire
friction plate
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Granted
Application number
CN201910064673.6A
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Chinese (zh)
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CN109552279B (en
Inventor
肖献国
吴玮泽
肖艺甜
边锋
于沭
单海涛
陈瑜远
严沣
严一沣
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Zhengzhou University
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Zhengzhou University
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Classifications

    • 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
    • B60T1/00Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/04Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting directly on tread
    • 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
    • B60T1/00Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/12Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
    • B60T1/14Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action directly on road

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

Abstract

A kind of heavy truck emergency brake auxiliary system, including tire tread friction mechanism and ground friction mechanism, ground friction mechanism includes the upper plate being installed in truck, ground friction plate and the forked type rod piece being disposed there between, and forked type rod piece top and bottom are hinged with upper plate and ground friction plate respectively;Tire friction mechanism has two groups, and every group of tire friction mechanism includes truck two sides arcuate friction plate corresponding with tire, and arcuate friction plate passes through the end that tire friction plate connecting rod is hinged on main cross bar;The upper end of vertical connecting rod is hinged on the middle part of main cross bar, vertical connecting rod lower end passes through truck and upper plate and forked type rod piece hinged seat is hinged, the hinged press rods in the middle part of main cross bar, the press rods other end is connect with dynamical system, hinged support plate, dynamical system are connect with control system between press rods and truck pedestal.In case of emergency, four arcuate friction plates are squeezed to tire, while forked type rod piece pushes ground friction plate and compresses ground.

Description

A kind of heavy truck emergency brake auxiliary system
Technical field
The invention belongs to brake technique fields, relate in particular to auxiliary system when a kind of heavy truck emergency brake.
Background technique
Heavy-duty car must have three kinds of active brake, emergency brake and parking braking brake apparatus.Emergency brake device As emergency brake arrangement.General active brake uses double-loop air braking system, and parking braking and emergency brake use spring Energy storage bleeder brake.Since heavy truck has very big quality, therefore very big inertia can be generated when brake, only lean on spring energy-storage Bleeder brake buffer distance is long, and causing heavy truck, in emergency circumstances braking distance is longer, and there are potential security risks.
Summary of the invention
Originally practical to provide a kind of heavy truck emergency brake auxiliary system, cooperation emergency braking system is used together, can The buffer distance effectively shortened when braking, achievees the purpose that brake rapidly.
The object of the present invention is achieved in the following manner:
A kind of heavy truck emergency brake auxiliary system, including tire tread (working face) friction mechanism, further include ground friction Mechanism, ground friction mechanism includes the upper plate being installed in truck and ground friction plate, in upper plate and ground friction Forked type rod piece is provided between plate, forked type rod piece top and bottom are hinged with upper plate and ground friction plate respectively;Tire friction Mechanism includes two groups, and every group of tire friction mechanism includes the arcuate friction plate that truck two sides are arranged in, arcuate friction plate and tire Corresponding, two arcuate friction plates of two sides pass through the end that tire friction plate connecting rod is hinged on main cross bar, in each wheel Sleeve is provided in tire friction plate connecting rod, tire friction plate connecting rod is slidably connected with sleeve, and sleeve passes through second support It is fixed on truck chassis;The upper end of vertical connecting rod is hinged on the middle part of main cross bar, and the lower end of vertical connecting rod passes through truck Bottom plate and upper plate and forked type rod piece hinged seat are hinged, in the hinged press rods in the middle part of main cross bar, the other end of press rods and dynamic Force system connection, is also hinged with support plate, dynamical system is connect with control system between press rods and truck pedestal.
Above-mentioned heavy truck emergency brake auxiliary system is additionally provided between vertical connecting rod and the hinged seat of forked type rod piece Resetting-mechanism.
Above-mentioned heavy truck emergency brake auxiliary system, the resetting-mechanism include the set that vertical connecting rod bottom is arranged in Cylinder and the connecting rod being fixedly connected with the hinged seat of forked type rod piece, connecting rod top is bellend, and bellend is embedded in vertical connecting rod In sleeve, and spring or disc spring are provided in sleeve, the bottom and the expansion end in contact at the top of connecting rod of spring or disc spring.
Above-mentioned heavy truck emergency brake auxiliary system, the ground friction plate are passed through by rubber friction sheet and a lower plate Dovetail groove clamping.
Above-mentioned heavy truck emergency brake auxiliary system, rubber friction sheet bottom surface corresponding with ground are provided with anti-slip layer.
Above-mentioned heavy truck emergency brake auxiliary system is provided on rubber friction layer surface corresponding with tire anti- Slip layer.
Above-mentioned heavy truck emergency brake auxiliary system, the anti-slip layer are parallel groove or several protrusions.
Above-mentioned heavy truck emergency brake auxiliary system, anti-slip layer are several lines that rubber friction sheet bottom is arranged in, Bottom lines is block-type tread.The braking ability of block-type tread is very superior, and has good drainage, in snowfield and has The road surface upward stability of ponding is fine, the disadvantage is that its wearability is poor.
Above-mentioned heavy truck emergency brake auxiliary system, the dynamical system are hydraulic cylinder, the other end and liquid of press rods The piston rod of cylinder pressure is hinged.
Above-mentioned heavy truck emergency brake auxiliary system, the forked type rod piece include connecting shaft, and connecting shaft both ends connect respectively It connects there are two connecting rod arranged in a crossed manner, hinged seat is installed in the connecting shaft, hinged seat and vertical connecting rod lower end are hinged.
Compared with the existing technology, in case of emergency, starting hydraulic cylinder, press rods drive main cross bar to move up and down, thus It drives four arcuate friction plates to squeeze to tire, while pushing forked type rod piece, ground friction plate is made to compress ground.In this way, four Extruding of the tire by arcuate friction plate, brakes to tire, while ground friction plate is squeezed with ground, i.e., from tire Brake and ground are braked while being carried out, and buffer distance when brake is greatly shortened, and achieve the purpose that dual brake, when shortening brake Between.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is left view of the invention.
Fig. 3 is top view of the invention.
Specific embodiment
A kind of heavy truck emergency brake auxiliary system as shown in Figs. 1-3, including tire friction mechanism, tire rubbing machine Structure is two groups, further includes ground friction mechanism, ground friction mechanism includes that the upper plate 4 being installed in truck and ground are rubbed Wiping board, is provided with forked type rod piece 3 between upper plate and ground friction plate, forked type rod piece top and bottom respectively with upper plate and Ground friction plate is hinged;Every group of tire friction mechanism includes the arcuate friction plate that truck two sides are arranged in, arcuate friction plate and wheel Tire is corresponding, and arcuate friction plate passes through the end that tire friction plate connecting rod 8 is hinged on main cross bar 16, in each tire friction Sleeve is provided in plate connecting rod 8, tire friction plate connecting rod is slidably connected with sleeve, and sleeve is fixed by second support 10 On truck chassis;The friction mechanism operation acts of tire are limited by sleeve and are completed, because the space of script automobile construction limits System, arcuate friction plate are 30 ° for the pressure angle of tire centerline, and ideal situation is 45 °, to rear the two of the tractor of heavy truck The centre of skate tire four tires pressure work, arcuate friction plate of two sides or so component using symmetric design can in With and keep in the same plane.
The upper end of vertical connecting rod 21 is hinged on the middle part of main cross bar 16, the lower end of vertical connecting rod pass through truck and The hinged seat of upper plate and forked type rod piece is hinged, in the hinged press rods 34 in the middle part of main cross bar, the other end and power of press rods System 33 connects, and dynamical system can be hydraulic cylinder, and the other end of press rods and the piston rod of hydraulic cylinder are hinged, press rods with Support plate 31 is also hinged between truck pedestal, hydraulic cylinder is connect with control system.Dynamical system can also be pneumatic cylinder or liquid Pressure motor, pneumatic cylinder or hydraulic motor are connect with control system.Dynamical system uses hydraulic system, all power of whole system Source is provided by a hydraulic cylinder, realizes that a hydraulic cylinder drives all executing agencies to work at the same time by Design of Mechanical Structure, The integrated level of raising system.Forked type rod piece 3 itself has the function of shortening power source stroke, and when mechanism work, ground is over the ground The frictional force of face friction plate and the resultant force of support force can be from vertical pitman shafts to upper plate is transmitted to, for vertical connecting rod Load smaller, while when mechanism is packed up does not influence the passability of automobile chassis script.
The present invention is also arranged with resetting-mechanism, the reset machine in the vertical connecting rod between truck and main cross bar Structure includes the connecting rod that the sleeve of vertical connecting rod bottom is arranged in and is fixedly connected with the hinged seat of forked type rod piece, is at the top of connecting rod Bellend, bellend are embedded in the sleeve of vertical connecting rod, and spring or disc spring are provided in sleeve, the bottom of spring or disc spring Expansion end in contact at the top of portion and connecting rod.Facilitate the impact force buffered between vertical connecting rod and main cross bar, extends vertical connection The service life of bar.
Arcuate friction plate of the invention is riveted on main friction plate 5 by rubber friction layer 6 and is constituted, the corresponding wheel of rubber friction layer The face of tire is equipped with anti-slip layer, and anti-slip layer is parallel groove or several protrusions, if for rubber friction layer bottom is arranged in Dry lines, bottom lines are block-type tread.
Ground friction plate of the invention is clamped by rubber friction sheet 1 and lower plate 2 by dovetail groove, wherein lower plate and rubber Connection type is oat tail groove structure between glue friction plate, and structure is simple, and function is realized well, and processing technology difficulty is required not Height, installing and dismounting are simple.The rubber friction sheet of ground friction plate bottom surface corresponding with ground is provided with anti-slip layer, anti-slip layer For several lines that rubber friction sheet bottom is arranged in, bottom lines is block-type tread.The braking ability of block-type tread is very excellent More, and there is good drainage, in snowfield and has the road surface upward stability of ponding fine, the disadvantage is that its wearability is poor.
The rubber friction sheet of ground friction plate bottom surface corresponding with ground is provided with anti-slip layer, tire friction mechanism Anti-slip layer is provided on rubber friction layer surface corresponding with tire, the anti-slip layer is parallel groove or several protrusions.
Forked type rod piece of the invention includes connecting shaft 23, and 23 both ends of connecting shaft are respectively articulated with that there are two companies arranged in a crossed manner Bar is equipped with hinged seat in the connecting shaft, and hinged seat and vertical connecting rod lower end are hinged.
The structure of forked type rod piece of the present invention is identical as forked type member structure in patent 2015109990707.
Forked type rod piece friction plate bottom lines is block-type tread, and the braking ability of block-type tread is very superior, and has Good drainage in snowfield and has the road surface upward stability of ponding fine, the disadvantage is that its wearability is poor.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art, Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention Protection scope, these all will not influence the effect and patent practicability that the present invention is implemented.

Claims (10)

1. a kind of heavy truck emergency brake auxiliary system, including tire tread friction mechanism, it is characterised in that: further include ground Friction mechanism, ground friction mechanism includes the upper plate being installed in truck and ground friction plate, in upper plate and ground Forked type rod piece is provided between friction plate, forked type rod piece top and bottom are hinged with upper plate and ground friction plate respectively;Tire Friction mechanism includes two groups, and every group of tire friction mechanism includes the arcuate friction plate that truck two sides are arranged in, arcuate friction plate with Tire is corresponding, and two arcuate friction plates of two sides pass through the end that tire friction plate connecting rod is hinged on main cross bar, every Sleeve is provided in a tire friction plate connecting rod, tire friction plate connecting rod is slidably connected with sleeve, and sleeve passes through second Bracket is fixed on truck chassis;The upper end of vertical connecting rod is hinged on the middle part of main cross bar, and the lower end of vertical connecting rod passes through Truck and upper plate and forked type rod piece hinged seat are hinged, in the hinged press rods in the middle part of main cross bar, the other end of press rods It is connect with dynamical system, support plate is also hinged between press rods and truck pedestal, dynamical system is connect with control system.
2. heavy truck emergency brake auxiliary system according to claim 1, it is characterised in that: in vertical connecting rod and fork Resetting-mechanism is additionally provided between the hinged seat of type rod piece.
3. heavy truck emergency brake auxiliary system according to claim 2, it is characterised in that: the resetting-mechanism includes The connecting rod that the sleeve of vertical connecting rod bottom is arranged in and is fixedly connected with the hinged seat of forked type rod piece, connecting rod top are expansion End, bellend is embedded in the sleeve of vertical connecting rod, and spring or disc spring are provided in sleeve, the bottom of spring or disc spring with Expansion end in contact at the top of connecting rod.
4. heavy truck emergency brake back-up system according to claim 1, it is characterised in that: the ground friction plate by Rubber friction sheet and lower plate are clamped by dovetail groove.
5. heavy truck emergency brake auxiliary system according to claim 4, it is characterised in that: the arcuate friction plate by Rubber friction layer is riveted on main friction plate and constitutes.
6. heavy truck emergency brake auxiliary system according to claim 5, it is characterised in that: the glue friction plate and ground The corresponding bottom surface in face is provided with anti-slip layer, and rubber friction layer is provided with anti-slip layer on surface corresponding with tire.
7. heavy truck emergency brake auxiliary system according to claim 6, it is characterised in that: the anti-slip layer is parallel Groove or several protrusions.
8. heavy truck emergency brake auxiliary system according to claim 6, it is characterised in that: anti-slip layer is to be arranged in rubber Several lines of glue friction plate bottom, bottom lines are block-type tread.
9. heavy truck emergency brake auxiliary system according to claim 1, it is characterised in that: the dynamical system is liquid Cylinder pressure, the other end of press rods and the piston rod of hydraulic cylinder are hinged.
10. heavy truck emergency brake auxiliary system according to claim 1, it is characterised in that: the forked type rod piece packet Include connecting shaft, connecting shaft both ends are separately connected there are two connecting rod arranged in a crossed manner, are equipped with hinged seat in the connecting shaft, hingedly Seat is hinged with vertical connecting rod lower end.
CN201910064673.6A 2019-01-23 2019-01-23 Emergency brake auxiliary system of heavy truck Active CN109552279B (en)

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Application Number Priority Date Filing Date Title
CN201910064673.6A CN109552279B (en) 2019-01-23 2019-01-23 Emergency brake auxiliary system of heavy truck

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Application Number Priority Date Filing Date Title
CN201910064673.6A CN109552279B (en) 2019-01-23 2019-01-23 Emergency brake auxiliary system of heavy truck

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CN109552279A true CN109552279A (en) 2019-04-02
CN109552279B CN109552279B (en) 2024-06-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112472475A (en) * 2020-11-20 2021-03-12 郑州工业应用技术学院 Intelligent anti-collision medical machinery vehicle and anti-collision method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1366597A (en) * 1973-07-23 1974-09-11 Pilling H Adaptable emergency braking system
CN102729961A (en) * 2012-07-23 2012-10-17 欧转喜 Emergency brake for automobile
CN105539394A (en) * 2015-12-28 2016-05-04 郑州大学 Quick stop system for emergency braking of medium-sized automobile
CN205819166U (en) * 2016-06-10 2016-12-21 谢春怀 A kind of automobile emergency grabs ground brake unit
CN209410018U (en) * 2019-01-23 2019-09-20 郑州大学 A kind of heavy truck emergency brake auxiliary system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1366597A (en) * 1973-07-23 1974-09-11 Pilling H Adaptable emergency braking system
CN102729961A (en) * 2012-07-23 2012-10-17 欧转喜 Emergency brake for automobile
CN105539394A (en) * 2015-12-28 2016-05-04 郑州大学 Quick stop system for emergency braking of medium-sized automobile
CN205819166U (en) * 2016-06-10 2016-12-21 谢春怀 A kind of automobile emergency grabs ground brake unit
CN209410018U (en) * 2019-01-23 2019-09-20 郑州大学 A kind of heavy truck emergency brake auxiliary system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
马彩虹;: "汽车升降摩擦面紧急减速装置设计", 经贸实践, no. 24, 15 December 2016 (2016-12-15), pages 9 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112472475A (en) * 2020-11-20 2021-03-12 郑州工业应用技术学院 Intelligent anti-collision medical machinery vehicle and anti-collision method

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