DE1967752U - DEVICE FOR LIFTING AND LOWERING LOADS. - Google Patents

Description

Dipl.-lng. Heinz Les

Patent attorney 8 Manchen 61, Cosimattrafte 81 · Telephone: (0811) 483820 ■ Telex ι 05-24351

L 7977 Gg / ste. ; . -:: _■:, 21.. June 1967

\ ■■ '' - '"■■'. '.. -' ■ " Jean - Louis TOURTELLIER, 16, Avenue de Lutterbach,

"-. '-Mulhoüse / PRANKREiCH · ·

DEVICE FOR LIFTING AND LOWERING LOADS

The innovation relates to a device for lifting and lowering loads, especially for use in overhead conveyor systems for connecting and disconnecting their pneumatic drive wheel * with rods and head pieces that can be moved relative to one another and the latter associated, lever-operated clamping plate lifting mechanism. In the case of ^M overhead conveyor systems, in which the trolleys are carried by rollers and the drive takes place via a friction wheel with pneumatic tires, it is necessary to lift the drive wheel off the rail by a certain amount in order to switch off the drive. For this purpose, devices have already become known which are relatively complicated in their construction - for comparison reference is made to the subject of the previously published French patent specification 1. HHi * 383. The present innovation is now based on the task of such devices

ben. It shows * ■ '; ''

Figure i a view of the innovation according to

direction in their locked state, - - Figure 2. the device according to Figure "i ^ .- during the '

Lifting the head piece and ... Figures 3. and '^

i | ¹ · · 'Representations to illustrate the •''■ ■ turn of the device according to the innovation in

structurally easier to design. This object is, renewal according achieved in that, in a device of the type referred to which a a two-arm lever is ahgelenkt via a spring against ^ the Kopfstückabstützende "clamp, its' free end in operative connection with an opposite to the ^

other clamping plate fixed role or the like. Bring j

- t

is bar, the second clamping plate at load j;

of the head piece through this · opposite the rod is jammed. In an advantageous further development of this device is a second, compared to the Head piece fixed, pretensioned by a spring Pivoting lever is provided which is able to release both clamping plates at the same time when it is pivoted. This The pivot lever is therefore preferably in operative connection with one the pin that can be brought to the upper clamping plate, and the upper clamping plate is provided with a pin which can be brought into operative connection with the lower clamping plate. ^ The innovation is described below using one of the drawings

■ '. ■■■ *. ί

tion illustrated embodiment described in more detail ^fi

Monorail systems,

The device according to the innovation for lifting and lowering loads, in particular ^ for use in overhead monorail -, · systems for switching on and off the pneumatic tires; ^: Drive wheel, has a linkage '· 1 and this - ";;

C associated head piece 2, - the relative to each other ^; are movable. A clamping plate lifting mechanism is assigned ^{to the head piece 2 and consists of two clamping plates 3 and 1} , of which the latter is lowered via a spring 5 relative to the head piece 2, an arm k a of the clamping pin k is a lever 6 hinged at 10, the free end 6 a can be brought into operative connection with a roller 11, which is rotatable through the upper clamping plate, J5. A pivot lever 7 is at. 7 a opposite '

• the head piece 2 mounted pivotably, the free end of this The pivot lever 7 is under the pretension of a spring 8 "which is fixed in relation to the head piece" 2 * ■ *

Is exerted on the head piece 2, a load in the direction of the arrow F, then its projection 9 comes in Betfünjöung ^with:; of the upper clamp J ₃ so that it is converted into the inclined position shown in FIG. 1 '. If this is to be lifted in the direction of arrow A, then it is necessary to push the lever 6 through a in the direction of the

'To pivot the force acting on the arrow C, this comes'

If the head piece 2 is to be lowered in the direction of arrow B, then it is only necessary to use the lever 7 to pivot in the direction of arrow D, while the pin 12 comes into contact with the upper clamping plate 3j this upper clamping plate is then pivoted and its pin 13 pivoted at the same time the lower one Clamping plate 4. Lowering can vary depending on the direction of the arrow D exerted force take place controlled, because ^ when this force is stopped, it becomes stuck again immediately the upper clamping plate 3

the lever arm 6 a of the lever 6 in contact with the roller 11 of the upper clamping plate 3 »which from their The inclined position is freed and thus, with simultaneous compression of the spring 5, the head piece 2 in

Y
The direction of the arrow A shifts »If the lever 6 is" relieved ", the compressed spring 5 'pushes the clamping plate * 1 upwards by a certain distance, while the head piece 2 _{fc is held} by the upper clamping plate 3, which has been tilted again . Through ,,

■ repeated actuation of the lever 6 can so the head piece 2 can be moved upwards. Of course, it is also possible, when the head is in a fixed position.

. Piece 2 to move the rod 1 relative to the head piece _{{ ^{, [;} :

, In Figures 3 and 4 an application example of the device described is shown. Shown is an overhead conveyor system I ¹ I ₁ in which the trolleys 15 are carried by rollers 16, the drive being effected by a friction wheel 17 with running tires. To switch off the drive wheel 17 is separated from the rail I ¹ I according to 17 'by a distance X. . It is sufficient here for the suspension of the trolley 15 to adapt the device described accordingly, ie. To attach the linkage 1 with the head piece 2 .with accessories and to provide stops 18 and 19 for limitation. The actuation takes place in the described manner »

Claims (1)

-RA. 3: 4 6476 * 21. Protection claims 1 »Device for lifting and lowering loads, especially for use in overhead monorail systems to switch their pneumatic drive wheels on and off, with rods and head pieces that can be relocated relative to one another, as well as the latter associated, lever-operated clamping plate lifting mechanism, characterized in that one is connected via a spring (5) opposite the head piece (2) supporting clamping plate (4) a two-armed lever (6, 6 a) is articulated, the free ₍ end in operative connection with a relative to the other clamping plate (3) fixed roller (11) or the like. can be brought, and that the second clamping plate (3) under load of the head piece (2) by this compared with the linkage (1) is clamped. _h 2 »Device according to claim 1, * geke nnzeich · net by a fixed opposite the head piece (2), Swivel lever (7) pretensioned by a spring (8) for releasing both clamping plates in the same way 3 · Device according to claim 2, characterized in that ge indicates that the pivot lever (7) is in operative connection with the upper clamping plate (5) is m ~ pin (12) and the upper one The clamping plate is provided with a pin (13) which can be brought into operative connection with the lower clamping plate (4) are"