The specific embodiment
With reference to the accompanying drawings, the Systematization handcart that is used for vehicle maintenance and repair of the present utility model is described.The Systematization handcart that is used for vehicle maintenance and repair comprises: framework 1; Vertically be installed in the guiding piece 39 on the described framework 1; Can and be used for the carriage 2 of bearing automobile tire along described guiding piece 39 up-and-down movements; Actuating device (not shown), described actuating device are used to drive described carriage 2 and move up and down along described guiding piece 39.
According to embodiment of the present utility model, tire is supported on carriage 2 to be installed in the attitude on the automobile.
According to embodiment of the present utility model, guiding piece 39 comprises guide rail or slideway.Carriage 2 comprises sliding part 38, and sliding part 38 is fixed in carriage 2, and described carriage 2 passes through sliding part 38 along guiding piece 39 upper and lower slips.
Guiding piece 39 can form wholely with framework 1, or guiding piece 39 and framework 1 can make separately, utilizes the securing device such as screw that guiding piece 39 is assemblied on the framework 1 then.
As the example of guide rail, the utility model can adopt the slide rail such as level gauge, V-way, dovetail slideway, cylindrical slideway, or such as the non-friction guide of ball non-friction guide.
According to embodiment of the present utility model, carriage is L-shaped substantially, and the vertical component 36 of described carriage links to each other with guide rail or slideway movably by sliding part, and the horizontal component 35 of described carriage is used for the bearing automobile tire.Optimal way is, the horizontal component of carriage comprises that two 33, two rollers of roller at a distance of certain distance are rotatably installed on described horizontal component, and tire can be supported on around the center shaft of tire on two rollers rotationally.For fixing tire firmly, tire can lean against on the vertical component 36 simultaneously.
Systematization handcart also comprises wheel 55, so that the tire that is placed on the horizontal component can be with the Systematization handcart parallel motion on two rollers, thereby can easily mounting of tyre be pulled down on Automobile shaft or from Automobile shaft.
According to embodiment of the present utility model, carriage 2 also comprise be fixed on the described carriage, be used to prevent tire that tire drops from the described carriage anti-locking apparatus that drops.Described tire drops and prevents that locking apparatus can comprise the rope or the chain 43 on the top of being fixed in described vertical component, and the adaptor union that is fixed in the end of described rope or chain, and described adaptor union is used for linking to each other with described tire.Adaptor union can comprise hook 42, and this hook can be connected in the appropriate location of tire, for example is connected in the appropriate location of the spoke that alloy makes.As selection, can with rope or chain on tire, then adaptor union be connected on the vertical component, thus, fixing tire.
Optimal way is that rope can elastic telescopic.According to a kind of embodiment of the present utility model, tire drops and prevents that locking apparatus does not comprise adaptor union, in this case, rope or chain directly can be tied up on the tire.
According to embodiment of the present utility model, Systematization handcart can also comprise that at least one is used to place the support 31 of instrument of usefulness of servicing a car, and described support is fixed in described framework.
According to embodiment of the present utility model, Systematization handcart can also comprise drg, and described drg is used for carriage is braked.For example, drg can be a foot-operated brake.
Described actuating device can comprise: cylinder, the cylinder body of described cylinder is connected with framework, and the piston rod of described cylinder links to each other with described carriage.As selection, actuating device can comprise the nut that is connected in carriage, and be connected with this nut rotationally and be connected in the screw rod of framework rotationally with respect to this nut, perhaps can comprise the tooth bar that is connected in carriage, and with this tooth bar engagement and be connected in the gear of framework rotationally.By retarder and motor, by bolt and nut mechanism or pinion and rack, the driven bracket lifting.
Systematization handcart of the present utility model can also comprise and be arranged on the link stopper that is used on the framework the effect of carriage start stop bit, and is arranged on and is used for limit switch that the carriage moving range is limited on the framework.
Method of operation according to Systematization handcart of the present utility model is as follows.
(1) remove a tyre
1. with the center of carriage and the tire surface centrally aligned of tire, Systematization handcart is moved to the tire below that will dismantle.
2. press the upwarding key (not shown), carriage is slowly risen to till tire contacts.
3. take out the split nut of entire quantity.
4. both hands are held tire, and tire is pressed downwards, pull out to cart side then.Wherein can be according to the gas buffer function of cylinder, press tire (when carriage during at top and lowermost end, the gas buffer function can not be used) with hand.As selection, also can pass through compressed-air controlled mode (by the operation cylinder), rather than the manually operated mode, tire is moved downward.
5. will prevent that the hook that tire falls is installed on the wheel, after the tension rope, carriage be descended.
(2) tire is installed
1. the center and the hub centrally aligned of tire will be installed, allow carriage rise.
2. from wheel hook is taken off the lax rope that prevents tire whereabouts usefulness.
3. both hands are held tire, and the hub screw is aimed at the hub screw hole of wheel, rotate or move up and down tire, and Systematization handcart is advanced to vehicle one thruster, and tire is installed.Wherein can be according to the gas buffer function of cylinder, the tire that allows that available have gentle hands is light moves up and down.As selection, also can pass through compressed-air controlled mode (by the operation cylinder), rather than the manually operated mode, tire is moved up and down.
4. split nut is installed.