DE1027922B - Device for rotating the rotating frame of rotating plows carrying the work tools - Google Patents

Description

GERMAN

With rotating devices for the rotating frame of Revolving plowing, the rotating frame is unlocked from the respective working position by means of a lever, after unlocking by means of the same lever set in rotation and with the support of the given moment of inertia brought from one working position to the other and locked again. The actuating lever is here on the one hand form-fitting with the snap-in device under the action of a spring and on the other hand after overcoming an idling that bridges the unlocking process connected to the rotating frame.

In a known rotating device of this type, the locking nose is in a guide of the rotating frame slidably guided and is engaged and disengaged by an operating lever, which also is mounted on the rotating frame. Here, the operating lever must control the pivoting movement of the rotating frame with carry out what is practically only possible with angled reversible plows. It is also disadvantageous to store moving parts on the rotating frame.

In other known Dr eh before directions that is the rotary movement of the rotating frame and the Ent- and Locking effecting and correspondingly operated lever linkage on the non-rotating mounting frame stored for the rotating frame. Here you have so far with the locking grooves or lugs connected to the rotating frame to adjust the inclination of the work tools to the rotating frame to be able to. The rotating frame had to be with slot guides for the locking grooves or -noses be provided, in the vicinity of a transverse plane in which the front bearing is at the same time of the rotating frame is on the axis of rotation. This point is due to the necessary components for fastening the working tool and the lever connection to the rotating frame inaccessible, so that the respective setting of working tools is fraught with difficulties.

The invention provides an improvement on the latter type of rotating device for the rotating frame of reversible plows and consists in that a locking piece with locking nose with the rotating frame or groove is firmly and unadjustably connected and on the mounting frame from their Locking position movable latching device is mounted, with the purpose of inclination adjustment the locking groove or nose is adjustably connected in a known manner. The advantage here is when the installation device is off on the mounting frame pivotable levers held in the detent position by a spring on both sides of the rotating frame exists on which latching brackets for the locking lug or groove are displaceable in the longitudinal direction of the lever contraption

for rotating the rotating frame of reversible plows carrying the work tools

Applicant: Pflugfabrik Lemken K. G., Alpen (Ndrh.)

are stored and directly or indirectly engages the operating lever.

In the device according to the invention, the moving parts are mounted on the fixed mounting frame and only by means of the usual, length-adjustable or a tension spring containing tension member connected to the rotating frame. The interlocking niaee or groove forms an integral part of the rotating frame.

The invention is shown in the drawing in exemplary embodiments, namely shows

Fig. 1 shows a reversible plow with mounting frame in side view and partially in section, Fig. 2 is a section in the direction 2-2 of Fig. 1,

Fig. 3 shows a section in the direction 2-2 of Fig. 1 in a different embodiment.

In the exemplary embodiment according to FIGS. 1 and 2, the work tools 1 and 2 are compared supporting rotating frame 3 mounted in the usual way on the axis of rotation 4 of the mounting frame 5, carried for example on the rail 6 by the arms of a tractor or in customary, for example by a three-point linkage with which it is adjustable. On the mounting frame 5 is the actuating lever 7, which is designed as an angle lever, is rotatably mounted about the bearing pin 8. With the At the end of the lever arm 7 a, a tension member 9 is connected in an articulated manner, which in the pivot point 10 on the lever 11 attacks. The end of this lever 11 facing the mounting frame 5 is in a vertical guide 12 guided vertically displaceable and carries by means of the joint 13 in the guide 14 of the mounting frame Height-adjustable A-angle lever 15.

The end of the lever 11 facing away from the mounting frame 5 is provided with a variable length or a tension spring containing tension and compression member 16 with the fixed point 17 of the rotating frame 3 articulated connected, which according to the invention is firmly connected to it

709 959/35

bound locking piece 18 with the locking nose 18α possesses.

In the plane of rotation of the locking lug 18 a on the mounting frame 5 on both sides of the axis of rotation 4 are each a pivot 19 or 19 'pivotable lever 20 or 20' mounted, which at their free ends with each other by a tension spring 21 and by the scissor-like common joint formed by the end of the lever 15 having lever 22 and 22 'are connected. Each lever 20 or 22 'carries, in the longitudinal direction of the lever, slidably and lockably the locking lugs 23 and 23' having the locking groove 23 α or 23 α '. The adjustability of these snap-in lugs is achieved according to the exemplary embodiment in that guide and fastening screws 24 are passed through corresponding guide slots 20a and 20a 'of levers 20 and 20'. The longitudinal displacement is achieved by actuating the spindles 25 and 25 '.

If the working tool, for example 1, is to be brought out of its working position and the other tool is to be brought into its working position, the locking lever 7 is moved in the direction of the arrow. As a result, the lever 11 is first brought into the position shown in dashed lines until the joint 13 comes to rest in the guide 12. This movement of the lever 11 causes via the toggle lever 15, a spread of the scissor-like lever 22, 22 'and thus a corresponding pivoting of the levers 20 and 20', with which the nose 18 is released from the locking groove 23 a a. As soon as the joint 13 has come to rest in the guide 12, upon further movement of the actuating lever 7, the lever movement is transmitted via the lever 11 to the tension member 16, whereby the rotation of the rotating frame 3 is effected. The rotary movement is supported by the momentum given and, if necessary, by the tension spring that is switched on. After the fixed point 17 of the rotating frame 3 has exceeded its highest position, the swingable levers 20, 20 'go back to their starting position. The nose 18a then engages in the locking groove 23a, the levers 20, 20 'under the tension of the spring 21 only dodging as far as is necessary for engaging. If necessary, this process can be supported by pressure exerted by means of the actuating lever. The inclination of the work tools 1 and 2 is determined by the respective setting of the snap-in lugs 23.

In the embodiment according to Fig. 3, the locking piece 18 is provided with two symmetrically arranged snap-in grooves 23 a 'and 23 a " adjustable Einrastknaggen 23 and 23 'each have a locking lug 18bzw. 18 '. Furthermore, everyone is Lever 20, 20 'designed as a two-armed lever, and the lever end 20 & or 20 δ' is through the tension members or 26 'articulated to the lever 15. The mode of operation of this embodiment is as follows same as previously described.

The invention is not bound to the illustrated embodiment. Constructive changes are possible if the mode of action is the same.

Claims (2)

Claims-. 1. Device for rotating the rotating frame of reversible plows carrying the work tools; in which the rotating movement of the rotating frame and the unlocking and locking effect and lever linkage to be actuated accordingly on the non-rotating mounting frame for the rotating frame mounted and form-fitting on the one hand with the spring-action latching device and on the other hand connected to the rotating frame after overcoming an idling bypassing the unlocking process is, characterized in that a locking piece (18) with the rotating frame (3) Locking nose (18 a) or groove (23 a ') is firmly and immovably connected and on the mounting frame (5) the latching device (20, 20 ') which can be moved out of its locking position is supported is, with the locking groove (23 a ') or nose (18 a) in is adjustably connected in a known manner. 2. Apparatus according to claim 1, characterized in that the locking device from on the mounting frame (5) on both sides of the rotating frame (3) by a spring (21) in the locking position held pivotable levers (20 or 20 '), on which displaceable in the lever longitudinal direction Snap-in brackets (23 or 23 ') for the locking lug (18 a) or groove (23 a') mounted and to which the actuating lever (7) acts directly or indirectly. Considered publications:
French patent specification No. 1 043 527. 1 sheet of drawings © 709959/35 4.58