CN104925040A - Execution mechanism of snow-day-antislip emergency brake device of automobile - Google Patents
Execution mechanism of snow-day-antislip emergency brake device of automobile Download PDFInfo
- Publication number
- CN104925040A CN104925040A CN201510400417.1A CN201510400417A CN104925040A CN 104925040 A CN104925040 A CN 104925040A CN 201510400417 A CN201510400417 A CN 201510400417A CN 104925040 A CN104925040 A CN 104925040A
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- China
- Prior art keywords
- slipmat
- brake device
- emergency brake
- automobile
- antislip
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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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/04—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting directly on tread
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses an execution mechanism of a snow-day-antislip emergency brake device of an automobile. A stepper motor is fixed between two trapezoidal supports, an output shaft of the stepper motor is connected with a drive gear through splines, the upper surface of the left half of an upper layer of a semi-circular arc antislip pad is a toothed belt made of a rubber material, the upper surface of the right half of the upper layer of the antislip pad is inlaid with a plurality of pins, the drive gear is meshed with teeth on the toothed belt, a cylindrical support perpendicular to the trapezoidal support is arranged on the trapezoidal support on the outer side, a lower layer of the antislip pad is in contact match with the cylindrical surface of the cylindrical support, the signal input end of the stepper motor is connected with the signal output end of an ECU of the vehicle through a signal line, and the power source input end of the stepper motor is connected with the power source output end of a storage battery of the vehicle. By applying the execution mechanism of the snow-day-antislip emergency brake device of the automobile, the problems that the existing vehicle antislip brake device is high in cost and the emergency brake effect is poor when the vehicle runs on the wet and slippery road at ice-snow days are solved.
Description
Technical field
The present invention relates to a kind of actuating unit of automobile-used anti-skid braking device, particularly a kind of actuating unit being applicable to the anti-skidding emergency brake device in automobile-used snow sky of the vehicle that ice and snow weather wet-skid road surface travels.
Background technology
According to statistics, the traffic accident that Northeast China causes because of icy road annual winter just has several ten thousand, and personnel's property damage is heavy, and a lot of family is all incoherent because of traffic accident.Certainly, growing along with science and technology, a lot of depot is all that safe driving adds increasing electronic system and various anti-skid device as snowfield tire and anti-slipping chain etc.Existing snow sky anti-skid device is mainly anti-slipping chain and snowfield tire, anti-slipping chain is that one is made up of steel chain or rubber chain, there is the device of anti-skidding function, tire is increased to the adhesive ability on ground when being mainly used in ice and snow weather, but it also has obvious shortcoming, can only be applied on ice and snow road, and easily rupture during extreme weather, the speed of a motor vehicle must control in the scope reduced, load onto and comparatively bother, the application of another kind of anti-skid device snowfield tire is comparatively wide, and mud-and-snow tyre increases the friction force with ice and snow road by special formula.Its advantage is the crossing ability and the safety that improve ice and snow road.The material of snow tyre tread is softer, and the silica mixture rubber compounding of preparation meticulously can contact tightr with glare ice face, thus produces the friction force larger than all season tyre, and the handling and safety of vehicle on glare ice face is improved greatly.When temperature is lower than 10 DEG C, the surface of mud-and-snow tyre becomes softer, thus obtains better earth-grasping force.But it also has obvious shortcoming, can only use under specific circumstances, normal road surface travels wearing and tearing can be very large, and generally emergency brake is apart from unsatisfactory, installs and also needs professional, expensive etc., can not as emergency brake device.
Summary of the invention
The present invention is intended to solve existing vehicle limited slip brake equipment cost intensive and vehicle travels on ice and snow weather wet-skid road surface time braking effect not good problem, provide the actuating unit of the anti-skidding emergency brake device in a kind of automobile-used snow sky.
For solving the problems of the technologies described above, the present invention adopts following technical scheme to realize:
The actuating unit of the anti-skidding emergency brake device in a kind of automobile-used snow sky, be arranged on lappet liner place above wheel, comprise two trapezoidal supportings be fixed on engine mounting, it is characterized in that, a stepping motor is bolted between two trapezoidal supportings, the stepper motor output shaft of stepping motor is connected by rectangular spline with a driven wheel, the slipmat of a semicircular arc-shaped is three-decker, be respectively slipmat upper strata, slipmat interlayer and slipmat lower floor, the left-half upper surface on slipmat upper strata is the cog belt be made up of quality of rubber materials, the right half part upper surface on slipmat upper strata is also quality of rubber materials, and be inlaid with multiple pin at its rubber surface, driven wheel engages with the tooth on cog belt, the trapezoidal supporting being positioned at outside has one with the cylindrical sliding support of trapezoidal supports vertical, hole interference fit in cylindrical sliding support tapered roller bearing and trapezoidal supporting can make slowly to rotate in the hole of cylindrical sliding support in trapezoidal supporting, slipmat lower floor coordinates with the Cylindrical Surfaces Contact of cylindrical sliding support, the signal input part of stepping motor is connected by the signal output part of signal wire (SW) with the ECU of vehicle, the power input of stepping motor is connected by the power output end of power lead with the storage battery of vehicle.
Further technical scheme comprises:
Slipmat upper strata is made up of the rubber of high strength, and slipmat interlayer is made up of the low-alloy structural steel of hard high-strength, and slipmat lower floor No. 45 steel are made.
Driven wheel material is No. 45 steel, driven wheel is Critcria; get standard module 10mm; 20 °, standard pressure angle; the number of teeth 27; tooth face hardness 240HBS, and cog belt is made up of the rubber of high strength, the involute standard straight-tooth that the tooth on cog belt is standard module 10mm, 20 °, standard pressure angle, the number of teeth are 100.
Slipmat width is 225mm, and thickness is 70mm, utilizes the structure of inlaying pin at its rubber surface, pin length 5.5cm with the right half part on the slipmat upper strata of earth surface, and the arranging density of pin is 3/dm
3, arrangement mode is front arrow alignments, and pin line becomes 40 ° of angles with tire axis, and, time vertical, the conical surface becomes 35 ° of angles with horizontal surface below pin conically.
The right half part upper surface on described slipmat upper strata is inlaid with 28 pins.
Compared with prior art the invention has the beneficial effects as follows:
1. the actuating unit of the anti-skidding emergency brake device in a kind of automobile-used snow sky of the present invention, can rapid reaction.What adopt due to this device automatically controlledly adds physical construction, and when emergency occurs, electronic system sends instruction rapidly, and motor drives rapidly actuating unit to start working.
2. structure is simple, and reliable and stable, because involved mechanism is all physical construction common in life, combines, being not very complicated, having higher reliability through redesigning.
3. with low cost.Element required for this actuating unit is all that market visiblity is high, and the product arrived can bought in enormous quantities, only need can bring use through changing optimization a little, and the recyclable repeated usage of device, significantly reduce cost.
4. try to forestall traffic accidents Be very effective, and because the friction coefficient of inside material is minimum, tire is unlikely to locking, and the friction coefficient of material outside is very large, thus effectively reduce braking distance, reaches the effect of minimizing accident.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the organigram of slipmat in the present invention
Fig. 3 is the Pareto diagram of the right half part upper surface pin on slipmat upper strata in the present invention
In figure: 1, trapezoidal supporting, 2, stepping motor, 3, stepper motor output shaft, 4, driven wheel, 5, slipmat, 6, cylindrical sliding support, 7, slipmat upper strata, 8, slipmat interlayer, 9, slipmat lower floor, 10, cog belt, 11, pin.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained in detail:
The actuating unit of the anti-skidding emergency brake device in a kind of automobile-used snow sky, be arranged on lappet liner place above wheel, comprise two trapezoidal supportings 1 be fixed on engine mounting, it is characterized in that, a stepping motor 2 is bolted between two trapezoidal supportings 1, the stepper motor output shaft 3 of stepping motor 2 is connected by rectangular spline with a driven wheel 4, the slipmat 5 of a semicircular arc-shaped is three-decker, be respectively slipmat upper strata 7, slipmat interlayer 8 and slipmat lower floor 9, the left-half upper surface on slipmat upper strata 7 is the cog belt 10 be made up of quality of rubber materials, the right half part upper surface on slipmat upper strata 7 is also quality of rubber materials, and inlay multiple pin 11 at rubber surface, driven wheel 4 engages with the tooth on cog belt 10, the outside of the trapezoidal supporting 1 outside being positioned at there is the cylindrical sliding support 6 that vertical with trapezoidal supporting 1, cylindrical sliding support 6 can make slowly to rotate in the hole of cylindrical sliding support 6 in trapezoidal supporting 1 by the hole interference fit on tapered roller bearing and trapezoidal supporting 1, slipmat lower floor 9 coordinates with the Cylindrical Surfaces Contact of cylindrical sliding support 6, the signal input part of stepping motor 2 is connected by the signal output part of signal wire (SW) with the ECU of vehicle, the power input of stepping motor 2 is connected by the power output end of power lead with the storage battery of vehicle.
Trapezoidal supporting 1 provides support for whole actuating unit, steadiness and the reliability of actuating unit are ensured, trapezoidal supporting 1 adopts plain bolt to be fastened on driving engine fixed support, due to the support bracket fastened stable and reliability of driving engine, the stability of trapezoidal supporting 1 can be ensured by actv., ensure the fixing of mechanism and operate steadily.The material of trapezoidal supporting 1 is low-alloy structural steel, has high strength, high-ductility, the advantage of high tenacity, and has good corrosion stability and welding performance, effectively can ensure the stability and reliability supported.Bolt model is M10*1.25*50, and performance rate is 9.8 grades (adopting GB/T3098.1-2010), and material is medium-carbon steel, quenching also tempering.Stepping motor 2 is with bolts with trapezoidal supporting 1, bolt model be consistent above, rich field, the Taiwan that stepping motor 2 adopts three-phase induction asynchronous dynamo, model is Y80M1-2, this electronic function stands significantly temperature change, and can reliable effective low output high pulling torque, ensure that slipmat 5 can be exported rapidly, realize quick emergency braking, and this motor volume is little, lightweight, what take at machinery space occupies a narrow space, and the load that supporting can not be given excessive.Adopt spline joint between the output shaft 3 of stepping motor and driven wheel 4, spline model is 6-26*23*6 (number of teeth-large footpath * path * width).Driven wheel 4 is Critcria, gets standard module 10mm, 20 °, standard pressure angle, the number of teeth 27, and material is No. 45 steel, adopts modifier treatment, tooth face hardness 240HBS.And what be meshed with driven wheel 4 is slipmat 5, this slipmat 5 is made up of slipmat upper strata 7, slipmat interlayer 8 and slipmat lower floor 9 three part, be made up of No. 45 steel with the slipmat lower floor 9 of tire interface, minimum to make slipmat in emergency braking process eject friction factor between rear and tire, slipmat upper strata 7 is made up of the rubber of high strength, and utilize generating to be processed as standard module 10mm the left-half on slipmat upper strata 7,20 °, standard pressure angle, the number of teeth is the cog belt 10 of the Critcria shape of 100; Slipmat 5 width is 225mm, and thickness is 70mm; Also be quality of rubber materials with the right half part on the slipmat upper strata 7 of earth surface, and utilize the structure of inlaying pin 11 at its rubber surface, great level is reached to realize friction factor between slipmat 5 and ice face, the relation drawing edge nail length, arrangement mode and density and friction factor and car brakeing degrees of offset is tested by ice interview, and then the right half part on slipmat upper strata 7 is designed to pin length 5.5cm, arranging density 3/dm
3, arrangement mode is front arrow alignments simultaneously, and pin line becomes 40 ° of angles with tire axis; Below pin conically, time vertical, the conical surface becomes 35 ° of angles with horizontal surface.Slipmat interlayer 8 hardness and the larger low-alloy structural steel of intensity, foot has sufficiently high intensity hardness and toughness, ensures intensity and the robustness of whole slipmat 5.Three parts of whole slipmat 5 link together by high pressure compacting and pin, ensure tight type and the reliability of connection.The lower floor 9 of slipmat supports fixing with a cylindrical sliding support that can rotate around the axis 6; cylindrical sliding support 6 is fixed in trapezoidal supporting 1; interference fit is adopted with the hole on tapered roller bearing and trapezoidal supporting 1; can rotate lentamente in the hole in trapezoidal supporting 1; minimum with slipmat lower floor 9 friction coefficient; affect the quick derivation of slipmat 5 hardly, and effectively protect fragile wheel arch, the robustness of system is increased greatly.
Principle of work of the present invention is: the power input of stepping motor 2 is connected with the power output end source line of storage battery, the signal input part of stepping motor 2 is led to by the signal output part of the ECU of signal wire (SW) and vehicle and connects, when sleety weather encounters emergency situation, driver is by pressing the button on bearing circle, when emergency braking, signal is sent to mechanism by the ECU of vehicle, stepping motor 2 starts, stepping motor 2 starts High Rotation Speed, stepping motor 2 drives driven wheel 4 by output shaft 3, driven wheel 4 engages with the tooth on the slipmat upper strata 7 left-half cog belt 10 of slipmat 5, rapidly slipmat 5 is taken out of wheel arch, due to the prior program set in ECU, then stepping motor 2 turn five circle shuts down, prevent slipmat along with the running larger force of inertia of generation of stepping motor 2 and protect stepping motor 2, slipmat 5 is now pressed on road surface by wheel.Friction coefficient due to the right half part on slipmat upper strata 7 is very large and upper surface is distributed with multiple pin 11, thus effectively reduces braking distance, reaches the effect of minimizing accident.After completing brake, car owner moves backward, and ECU receives signal, and reversed by direction of current, thus stepping motor 2 reverses, the same program according to setting, and stepping motor 2 reverses five circles, gets back to original position, i.e. recyclable slipmat 5.
Claims (5)
1. the actuating unit of the anti-skidding emergency brake device in automobile-used snow sky, be arranged on lappet liner place above wheel, comprise two trapezoidal supportings (1) be fixed on engine mounting, it is characterized in that, a stepping motor (2) is bolted between two trapezoidal supportings (1), the stepper motor output shaft (3) of stepping motor (2) is connected by rectangular spline with a driven wheel (4), the slipmat (5) of a semicircular arc-shaped is three-decker, be respectively slipmat upper strata (7), slipmat interlayer (8) and slipmat lower floor (9), the left-half upper surface on slipmat upper strata (7) is the cog belt (10) be made up of quality of rubber materials, the right half part upper surface on slipmat upper strata (7) is also quality of rubber materials, and be inlaid with multiple pin (11) at its rubber surface, driven wheel (4) engages with the tooth on cog belt (10), the outside side wall of the trapezoidal supporting (1) outside being positioned at there is the cylindrical sliding support (6) that vertical with trapezoidal supporting (1), cylindrical sliding support (6) can make slowly to rotate in the hole of cylindrical sliding support (6) in trapezoidal supporting (1) by the hole interference fit on tapered roller bearing and trapezoidal supporting (1), slipmat lower floor (9) coordinates with the Cylindrical Surfaces Contact of cylindrical sliding support (6), the signal input part of stepping motor (2) is connected by the signal output part of signal wire (SW) with the ECU of vehicle, the power input of stepping motor (2) is connected by the power output end of power lead with the storage battery of vehicle.
2. according to the actuating unit of the anti-skidding emergency brake device in a kind of automobile-used snow sky according to claim 1, it is characterized in that, slipmat upper strata (7) is made up of the rubber of high strength, slipmat interlayer (8) is made up of the low-alloy structural steel of hard high-strength, and slipmat lower floor (9) No. 45 steel are made.
3. according to the actuating unit of the anti-skidding emergency brake device in a kind of automobile-used snow sky according to claim 1, it is characterized in that, driven wheel (4) material is No. 45 steel, driven wheel (4) is Critcria; get standard module 10mm; 20 °, standard pressure angle; the number of teeth 27; tooth face hardness 240HBS; cog belt (10) is made up of the rubber of high strength, the involute standard straight-tooth that the tooth on cog belt (10) is standard module 10mm, 20 °, standard pressure angle, the number of teeth are 100.
4. according to the actuating unit of the anti-skidding emergency brake device in a kind of automobile-used snow sky according to claim 1, it is characterized in that, slipmat (5) width is 225mm, thickness is 70mm, the structure of inlaying pin (11) at its rubber surface is utilized with the right half part on the slipmat upper strata (7) of earth surface, the length 5.5cm of pin (11), the arranging density of pin (11) is 3/dm
3, arrangement mode is front arrow alignments, and pin line becomes 40 ° of angles with tire axis, and, time vertical, the conical surface becomes 35 ° of angles with horizontal surface below pin conically.
5., according to the actuating unit of the anti-skidding emergency brake device in a kind of automobile-used snow sky according to claim 1, it is characterized in that the right half part upper surface on described slipmat upper strata (7) is inlaid with 28 pins (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400417.1A CN104925040A (en) | 2015-07-09 | 2015-07-09 | Execution mechanism of snow-day-antislip emergency brake device of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400417.1A CN104925040A (en) | 2015-07-09 | 2015-07-09 | Execution mechanism of snow-day-antislip emergency brake device of automobile |
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| CN104925040A true CN104925040A (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510400417.1A Pending CN104925040A (en) | 2015-07-09 | 2015-07-09 | Execution mechanism of snow-day-antislip emergency brake device of automobile |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11321588A (en) * | 1998-05-20 | 1999-11-24 | Kunihiro Imai | Urgency stop device for automobile |
| DE20017025U1 (en) * | 2000-10-04 | 2000-12-28 | Kappner Kurt | Brake device for city scooters |
| DE19933183A1 (en) * | 1999-07-15 | 2001-01-18 | Ou Cui | Emergency braking system has brake blocks, brake bands, brake control rods, central control system, sensors, hand brake knob and brake pedal. |
| CN1618673A (en) * | 2003-11-19 | 2005-05-25 | 左礼平 | Vehicle brake device having external emergoncy braking |
| CN2811081Y (en) * | 2005-05-23 | 2006-08-30 | 房胜军 | Auxiliary brake apparatus for automobiles |
| CN203237232U (en) * | 2013-05-27 | 2013-10-16 | 周友明 | Vehicle emergency braking system |
| CN203753108U (en) * | 2014-04-14 | 2014-08-06 | 姜朝清 | Brake mechanism of motor vehicle for driving on ice snow covered pavement |
| CN203832463U (en) * | 2014-04-17 | 2014-09-17 | 贵州君安汽车制动系统制造有限公司 | Automotive emergency braking system |
| CN204775181U (en) * | 2015-07-09 | 2015-11-18 | 吉林大学 | Automobile -used snow day emergent arresting gear's of antiskid actuating mechanism |
-
2015
- 2015-07-09 CN CN201510400417.1A patent/CN104925040A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11321588A (en) * | 1998-05-20 | 1999-11-24 | Kunihiro Imai | Urgency stop device for automobile |
| DE19933183A1 (en) * | 1999-07-15 | 2001-01-18 | Ou Cui | Emergency braking system has brake blocks, brake bands, brake control rods, central control system, sensors, hand brake knob and brake pedal. |
| DE20017025U1 (en) * | 2000-10-04 | 2000-12-28 | Kappner Kurt | Brake device for city scooters |
| CN1618673A (en) * | 2003-11-19 | 2005-05-25 | 左礼平 | Vehicle brake device having external emergoncy braking |
| CN2811081Y (en) * | 2005-05-23 | 2006-08-30 | 房胜军 | Auxiliary brake apparatus for automobiles |
| CN203237232U (en) * | 2013-05-27 | 2013-10-16 | 周友明 | Vehicle emergency braking system |
| CN203753108U (en) * | 2014-04-14 | 2014-08-06 | 姜朝清 | Brake mechanism of motor vehicle for driving on ice snow covered pavement |
| CN203832463U (en) * | 2014-04-17 | 2014-09-17 | 贵州君安汽车制动系统制造有限公司 | Automotive emergency braking system |
| CN204775181U (en) * | 2015-07-09 | 2015-11-18 | 吉林大学 | Automobile -used snow day emergent arresting gear's of antiskid actuating mechanism |
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Application publication date: 20150923 |