DE202010006523U1 - Automatic snow chain laying on motor vehicles of all kinds - Google Patents

Abstract

Automatic snow chains on motor vehicles of all kinds, characterized in that for each drive wheel 3 an electromagnetic control 1 set up and one, each drive wheel, unwinding and winding roller 2 (Pos. 8) for unwinding and rolling up the snow chains.

Description

State of the art

A known device for improving the coefficients of the adhesive and Sliding friction on motor vehicles is the term of the skid snow chains. By however, spinning the snow chains can cause material damage.

at Passenger cars I do not know this application.

Also the snow clearing with public clearing vehicles is partially obstructed by transverse vehicles or in parts impossible.

The previously common Type is the manual laying of snow chains. In the snowdrift and cold is it is difficult to hang up snow chains manually. For commercial vehicles and buses have to Mostly before mounting the snow chains spread on the ground / road edge become; These are then partially covered with snow and ice.

Of the in claim 1 protection invention is based on the problem to provide a device that can manually mount snow chains replace with automatic hang up.

This Problem is solved with the measures listed in claim 1.

With The invention achieves that the device and the method the driver can provide a significant help in snowdrift. Especially in trucks and buses, the process shows also for reasons Road safety as beneficial because at snow breaks On roads a manual removal of the snow chains around them short Time later to hang up again, often omitted; the consequence is considerable Material damage.

The initiation of the process is carried out by a simple handling:
By pressing a switch in the cab ( 8th ) the procedure is initiated. The snow chains are applied to the drive wheels. To remove the snow chains, the shift lever is returned to the starting position. The snow chains are driven by the vehicle wheel via a toothed roller ( 2 ) rolled up.

The automatic snow chain laying method is performed by an electromagnetic control 1 + 4 ).

For releasing, opening and closing or releasing and locking the snow chains ( 11 ) electromagnets ( 5 ) used. The electromagnet is magnetic as long as the electric current flows ( 1 ).

Two electromagnets are stacked on top of each other, with the bottom layer causing an alternating current. The coil core ( 3 ) made of soft magnetic material loses its magnetism as soon as the power is turned off.

Switching on is done by relays. Through a grid, the current through the relay coil ( 1 ) and via a transformer ( 3 ) to the snow chains.

The electromagnets trigger a reaction by switching on the current. About the transformer, the current to the iron core ( 6 ) and via this on a magnetic disk ( 5 ), with the snow chain ( 4 ) is firmly connected.

The snow chain is rolled up at rest on a roller ( 8th ), which as required by rotation, the snow chain on the vehicle ( 10 ) hangs up.

Due to the repeated change in the current and voltage in the electromagnet, z. B. when unwinding and rolling up the snow chains, changing the strength of the magnetic field, the coil ( 1 ) penetrates.

The Provisions according to §§ 41, 42, 53, 29 StVZO are not affected by the installation of the system components. It arise in this regard none of the provisions regarding Impairing safety Changes.

An example of the invention will be described with reference to FIGS 1 - 8th explained.

It demonstrate:

1 the electromagnetic control system housed in a box ( 1 . 2 . 3 )

2 Snow chain ( 4 ) with magnetic connections ( 5 ), Iron core ( 6 ), a toothed unwinding and rolling roller ( 8th ) and a guide cable ( 7 ) connected to the snow chain

3 on a vehicle wheel ( 10 ) mounted snow chain ( 4 ), Magnetic connections ( 5 ) and a laterally attached to the vehicle wheel guide cable ( 7 )

4 Snow chains connecting shafts ( 11 ) and ( 12 ) closed

5 Connecting shafts ( 11 ) with magnet segments ( 5 ) and iron core ( 6 )

6 Association ( 12 ) closed

7 Casing ( 13 ) for the installation of electromagnetic control systems ( 1 . 2 . 3 )

8th Shifter ( 14 ) in the cab to switch on the snow chain automatic.

1

relay

2

electromagnet

3

Kitchen sink

4

snow chains

5

electromagnet

6

iron core

7

management cable

8th

From- and reel spool

9

power supply

10

vehicle

11

Snow chains connecting shafts, opened

12

Snow chains connecting shafts, closed

13

Housing (box) for the Installation of electromagnetic control elements

14

gear lever in the cab to switch on the automatic

Claims (9)

Automatic snow chains on motor vehicles of all kinds, characterized in that for each drive wheel 3 an electromagnetic control 1 set up and one, each drive wheel, unwinding and winding roller 2 (Pos. 8th ) for unrolling and rolling up the snow chains. Device according to claim 1, characterized in that the method is based on electromagnetic induction and by switching on the relay 1 (Pos. 1 ) initiated the electromagnetic control and the current through a transformer to the magnetic disk and to the snow chains connecting shafts (pos. 11 + 12 ). Device according to claim 2, characterized in that each two electromagnets 1 (Pos. 2 ) are stacked on each other, the lower layer (lower magnet) causing an alternating current. By switching on the current, the electromagnets are fed to the end pieces of the snow chains 2 (Pos. 5 ). Device according to one of the preceding claims, characterized in that by switching the current of the magnetic chains attached to the snow chains they dissolve 3 (Pos. 5 ), at the same time the power of the unwinding and winding roller is supplied 2 (Pos. 8th + 9 ). Device according to claim 4, characterized in that the rolling roller 2 begins to rotate due to power supply. The snow chain located on the roller is placed on top of the vehicle wheel 3 , Device according to one of the preceding claims, characterized in that the current is withdrawn from the electromagnets by switching over the guide cable 2 + 3 , at the same time the power of the unwinding and winding roller is supplied. The snow chain is unrolled from the vehicle wheel and at the same time by the roller 2 recorded and rolled up. Device according to claim 5, characterized in that the snow chain by a side of the vehicle wheel befindliches guide cable 3 , (Pos. 7 ) is placed completely on the vehicle wheel. The guide cable is firmly connected to the snow chain, wear-resistant and directs the snow chain centrally and firmly on the vehicle wheel 3 (Pos. 7 ). The guide cable is connected to the end piece with a ball joint; the guide cable remains attached to the vehicle wheel throughout the life of the snow chain use. It turns wear-resistant and disability-free parallel to the vehicle wheel. The snow chains are aligned with the tire width (tread) and do not overlap the side surfaces of the tires 3 , Device according to claim 1, characterized in that the snow chains connecting shafts 4 (Pos. 11 ) are separated in the middle and can be adjusted to the tire width. The connecting shafts show electromagnetic guide pins and the associated non-magnetic cylinder (pos. 12 ) closed; (Pos. 11 ) open. 6 shows a snow chain connection shaft tire width of a car. Device according to claim 1, characterized that to trigger the control segments mounted a lever in the cab is and the putting into operation by the driver during the locomotion of the Vehicle is done.