CN205044718U - Automobile -used snow day antiskid actuating mechanism - Google Patents

Abstract

The utility model relates to an automobile -used safe emergency device, specific automobile -used snow day antiskid actuating mechanism that says so. This actuating mechanism includes trapezoidal supporting, step motor, connecting rod, cylinder, spool spring and spool center pin, and trapezoidal supporting parallel arrangement fixes in the engine supporting, step motor pass through the bolt fastening in trapezoidal supporting top, step motor's output shaft passes through the rectangle splined connection with the one end of parallel arrangement's connecting rod, the cylinder passes through the rectangle splined connection with the end of connecting rod, the spool spring housing is on the spool center pin, the spool center pin adopts bolted connection to fix on the frame, the slipmat winding is on the spool spring, the outermost end and the cylinder adoption screw fixed connection of slipmat. An automobile -used snow day antiskid utilizes the slipmat to produce the resistance, makes the vehicle can produce big resistance much than before when the emergency brake, and does not hinder the vehicle to require the slight drag when going. The utility model discloses the effectual control slipmat of ability, the emergence of greatly having solved snow day accident.

Description

Automobile-used snow sky anti-skid device actuating unit

Technical field

The utility model relates to a kind of vehicle safety emergency facility, specifically a kind of automobile-used snow sky anti-skid device actuating unit.

Background technology

During safety traffic refers to that people carry out activity, play on road, the personal casualty phenomenon of generation.According to the regulation of traffic law, drive a vehicle safely, walk, avoid personal injury or damage to property occur.Annual all can, disability a large amount of personnel lethal because of traffic accident, property damage is an astronomical figure especially.For the Northeast, the traffic accident occurred because Xue Tian road is sliding is every year of common occurrence especially.How improving snow sky vehicle driving safety, is the thorny problem being badly in need of at present solving.Be necessary this problem to carry out dissecting and solving as " automobile people ".

Existing vehicle limited slip technology:

● ABS (anti-skid brake system)

ABS is the english abbreviation of Anti-LockBrakeSystem, i.e. anti-skid brake system.ABS, by controlling the folding and unfolding of brake oil pressure, reaches the control to wheel lockup.Its working process is actually the circulation of locking-unclamp-locking-unclamp, and makes vehicle be in the gap rolling condition of critical locking all the time.

● EBD (electronic braking force distribution)

The English full name of EBD is ElectricBrakeforceDistribution, i.e. EBD (Electric Brakeforce Distribution).When emergency brake wheel lockup, EBD just balanced each effective earth-grasping force of taking turns before ABS action, can prevent whipping and sideslip, and shorten automobile brake distance.EBD is actually the additional function of ABS, and it can improve the effect improving ABS.So ABS and EBD configures often simultaneously.Current most domestic vehicle is many is configured with ABS+EBD.

● TRC (tracking antiskid control system)

The principle of work of TRC is still similar to TCS with ASR, and just each manufacturer has any different on the call of technology.TRC can suppress vehicle in the idle running of wet-skid road surface starting with drive wheel when accelerating, when starting to walk or accelerate, if detect drive wheel idle running, the braking oil pressure of drive wheel and the Power output of driving engine will be controlled, guarantee the safety of best starting, acceleration, straightaway and turning.

● nonskid tire

Current each giant tyre manufacturer all develops steel-studded tire, and cardinal principle is by the change of tread contour and on tyre surface, arranges the friction force that some attachments increase tire and ground, thus prevents tyre skidding.

But the problem of wheel sideslip when these systems just solve brake, or can only use under particular circumstances, and with high costs, design and installation service routine is many, troublesome poeration, and not from reducing braking distance in fact.And with regard to nonskid tire, practical popular style is lower, can only be use in certain circumstances, need smaller resistance, so can not equip as emergency facility always when highway up train at ordinary times.

Summary of the invention

It is simple that the utility model provides a kind of structure, meet an urgent need anti-skid device actuating unit in economic and practical automobile-used snow sky, solving prior art existence does not have substance to shorten the problem of braking distance, the utility model utilizes slipmat to produce resistance, vehicle can be produced when emergency brake than originally much bigger resistance, and do not hinder vehicle to require slight drag in motion.So greatly solve the generation of snow sky accident.

Technical solutions of the utility model accompanying drawings is as follows: a kind of automobile-used snow sky anti-skid device actuating unit, this actuating unit comprises two trapezoidal supportings 1, stepping motor 2, two connecting rods 4, cylinder 5, spool spring 7 and spool center shafts 8, and wherein said two trapezoidal supportings 1 are arranged in parallel and are fixed on engine mounting; Described stepping motor 2 is bolted on above two trapezoidal supportings 1; The output shaft 3 of described stepping motor 2 is connected by rectangular spline with the one end of two connecting rods 4 be arranged in parallel; Described cylinder 5 is connected by rectangular spline with the end of two connecting rods 4; Described spool spring 7 is enclosed within spool center shaft 8; Described spool center shaft 8 is fixed with bolts on vehicle frame; Slipmat 6 in automobile-used snow sky anti-skid device is wrapped on spool spring 7; The outermost end of slipmat 6 is screwed with cylinder 5 and is connected.

The beneficial effects of the utility model are:

1, be swift in response.Adopt such device, can rapid reaction.When driver sends emergency braking, driving stepper motor link rotatable, the lower end of bar is connected with slipmat, pulls out slipmat by bar, makes slipmat move under wheel, by pressure wheel on top.

2, reliable.After driver sends emergency brake signal, driving stepper motor pinion rotation, gear driven link rotatable, the lower end of bar is connected with slipmat, pull out slipmat by bar, it is less that mechanical device is subject to extraneous interference, and slipmat can enter under tire fast and accurately.

3, the resistance produced is large.The materials and structures of friction force is strengthened in design due to slipmat, so friction force when replacing tire to produce producing between the slipmat energy of friction force and ground super tyre braking system far away, can car be made more rapidly to brake.

Car sideslip when 4, can prevent from braking.Consider the original intention of ABS system during slipmat design, so side slipmat being close to wheel is designed to the very little material of friction force, make rear wheel be unlikely to locking.And the conclusion of the side of slipmat and earth surface experimentally gained carrys out the arrangement form of design arrangement pin, car is made to be unlikely to produce the situation of sideslip in the anxious stopping time.5, can recycle, with low cost, popularization is high.Also cooperatively interact slipmat recovery, to be used for next braking by the regenerative apparatus of reversing and slipmat after emergency braking.Achieve recycled for multiple times, can also material be saved while reducing costs, realize the target of the green industry of development.Whole device is very low compared to the cost of the emergency stop device of other high-end vehicles, is conducive on a large scale universal, and structure is simple and can be more reliable, and fundamentally shorten braking distance, achieve snow sky emergency braking, effect is very good.

Accompanying drawing explanation

Fig. 1 is trapezoidal supporting in the utility model, stepping motor, connecting rod, cylinder assembling schematic diagram;

Fig. 2 is the assembling schematic diagram of the slipmat met an urgent need in anti-skid device in spool spring in the utility model and spool center shaft and automobile-used snow sky.

Detailed description of the invention

A kind of automobile-used snow sky anti-skid device actuating unit, this actuating unit is arranged on lappet liner place above rear wheel, be applicable to truck, comprise two trapezoidal supportings 1, stepping motor 2, two connecting rods 4, cylinder 5, spool spring 7 and spool center shafts 8, wherein said two trapezoidal supportings 1 are arranged in parallel and are fixed on engine mounting; Described stepping motor 2 is bolted on above two trapezoidal supportings 1; The output shaft 3 of described stepping motor 2 is connected by rectangular spline with the one end of two connecting rods 4 be arranged in parallel; Described cylinder 5 is connected by rectangular spline with the end of two connecting rods 4; Described spool spring 7 is enclosed within spool center shaft 8; Described spool center shaft 8 is joined with bolts on vehicle frame; Slipmat 6 one in automobile-used snow sky anti-skid device is enclosed and is wrapped on spool spring 7; Outermost end and the cylinder 5 of slipmat 6 are tightly fixed together with screw.

Principle of work of the present utility model is:

When vehicle travels on snowfield, prominent chance emergency, when needing snap catch, driver needs to press emergency stop button.When the micro controller system in the electrical controller in automobile-used snow sky anti-skid device receives this signal, provide signal, the output shaft 3 of stepping motor 2 is made to start twirl, and drivening rod 4 also twirl, the cylinder 5 of the end of connecting rod 4 is connected with slipmat 6 end, and then drives the rotation of slipmat 6, slipmat 6 is derived, slipmat 6 is made to move under wheel, by pressure wheel on top.Slipmat wherein used 6 for meeting an urgent need slipmat in a kind of automobile-used snow sky, slipmat 6 points of upper, middle and lowers three layers, upper surface and tire interface, surperficial smoother, can ensure that the normal steering swivel system of vehicle can normally run; Lower surface contacts with ice face, utilizes pin feature to embed in ice face and has obtained great friction factor, realize the emergency braking that travel direction is stable; Utilize between upper and lower surface one deck hardness and the large material of tensile strength namely in the middle of one deck, make lower surface edge nail in braking procedure can not cause damage because of antagonistic force to tire, ensure that rubber pad is not pulled off simultaneously, outside slipmat 6 and road surface achieves large resistance friction, now complete crash arrest, brake can be completed in very short distance.After emergency is removed, when needing to reclaim slipmat 6, by reversing, make wheel reversing, slipmat 6 regenerative apparatus and spool center shaft 8 slipmat reclaim simultaneously.Spool center shaft 8 and the spool spring 7 i.e. regenerative apparatus of slipmat 6 is the structures being similar to tape measure, and the elastic force that last a few circle of spool spring 7 can do is comparatively large, pulls power, prevent slipmat 6 to be torn with buffering tyre to slipmat.By reversing, slipmat 6 will be gone by rollback.The emergency handling of whole emergency facility completes.

Claims (1)

1. an automobile-used snow sky anti-skid device actuating unit, it is characterized in that, this actuating unit comprises two trapezoidal supportings (1), stepping motor (2), two connecting rods (4), cylinder (5), spool spring (7) and spool center shafts (8), and two wherein said trapezoidal supportings (1) are arranged in parallel and are fixed on engine mounting; Described stepping motor (2) is bolted on two trapezoidal supporting (1) tops; The output shaft (3) of described stepping motor (2) is connected by rectangular spline with the one end of two connecting rods (4) be arranged in parallel; Described cylinder (5) is connected by rectangular spline with the end of two connecting rods (4); Described spool spring (7) is enclosed within spool center shaft (8); Described spool center shaft (8) is fixed with bolts on vehicle frame; Slipmat (6) in automobile-used snow sky anti-skid device is wrapped on spool spring (7); The outermost end of slipmat (6) adopts screw to be fixedly connected with cylinder (5).