DD291899A7 - STEERING DEVICE FOR FLUID-LOADED LOADS - Google Patents

Abstract

The invention relates to a steering device for fluid-borne loads for directional maintenance and defined change of direction during walking movements. The essential features of the invention are that a hydraulic cylinder with articulated bearing about its piston rod head movably attached to a telescope and the piston rod head is connected to a Wegmeszsystem thatz arranged on a telescope a Winkelmeszsystem and zEN to the piston rod of a lifting cylinder a crossbar is rotatably mounted with walking skids , Fig. 1 {steering; Betaetigungsmittel; Hydraulic cylinder; Wegmeszsystem; Winkelmeszsystem; Transport device; Hochdruckstroemungsmittel; Walking members}

Description

Field of application of the invention

The invention relates to a steering device for fluid-borne loads for directional maintenance and defined change in direction during walking movements.

Characteristic of the known technical solutions

Are known steering devices in which by a latching or locking mechanism, such as hydraulically actuated locking pin, the predetermined direction of movement is kept constant.

Due to the large number of construction elements, this steering device is costly to manufacture, very prone to failure - the movement direction change can only be done in the limited mechanically arranged grids.

Turning systems with rack gear and steering systems with tie rods on wheeled vehicles are known.

The disadvantages of these solutions are that the direction change takes place from a fixed point, which is locked positively or non-positively; the high material and production costs, the large space requirement and the limited travel options.

Known is a transport device according to FR-PS 8405996, in which a central unit is supported on a frame that the same can be rotated, while only a support cylinder carried by the central unit on the frame wire.

The disadvantage of this transport device is that the load during transport between the Hubvorrichtunger, must be raised and lowered, which has an increased energy consumption.

According to FR-PS 258/964 a device for the progressive transport of heavy load units is known in which two hydraulic lifting devices carrying the load, are arranged on the outer edge of a preferably arranged on four Tragvorrichtungon racks such that the frame lifted from the ground becomes.

The transport device is very complex in its structural design and thus in its production and susceptible to failure of the interaction of many precise individual elements.

Object of the invention

The aim of the invention is to find a steering device, with the heavy fluidgetragone loads can be moved with the lowest energy consumption during the course of movement directionally oriented in a very short time and without further auxiliary structures and Verschubtechniken.

Explanation of the essence of the invention

The object of the invention is to provide a structurally simple steering device, with the arbitrary directions of movement and an automatic movement interruption in collisions during the movement should be achievable.

According to the invention the object is achieved in that in the steering device for fluid-carrying loads, consisting of a hydraulic cylinder with spherical bearings, which is movably attached via a rod end to a telescope and a lifting cylinder, on the piston rod a crossbar with walking blades is rotatably mounted about a rotation axis, the piston rod head of the hydraulic cylinder is connected to a position measuring system and an angle measuring system is arranged on the telescope.

The advantages of the steering device according to the invention consist in its simple structural design, since the Verschubbewegungsrichtungskonstanthaltung no additional design elements, except those required for steering needed.

embodiment

The invention will be explained in more detail below using an exemplary embodiment. In the accompanying drawings show

1: a walking / sliding module with the steering device FIG. 2: a plan view according to FIG. 1 FIG. 3: a detail of the rotating device FIG. 4: a detailed illustration of the angle measuring system.

The steering device is part of a walking slide module, which is interconnected to a gleitbahnlosen transport system for heavy loads.

The steering device consists of a hydraulic cylinder 5 with spherical bearing 5a, the piston rod head 21 is movably arranged on the telescope 9, that the piston rod head 21 fixedly arranged cylinder mount 20 are connected to the arranged on the telescope 9 fork-shaped telescopic receptacle 19 via known connecting elements.

The piston rod head 21 is connected to a measuring system 7 such that the hinged to the piston rod head 21 via the Schaltwellenbefestigung 18 shift shaft 16 with the plunger buttons 25a and 25b, which are attached via the push rod mounting 24 on Hydiaulikzylinder 5 is coupled.

The switching shaft 16 is movably mounted in the guide tube 17 and in the plunger button fasteners 24 (Figure 3). Likewise at the telescope 9 or at one of its telescopes 9a, an angle measuring system 6, consisting of a measuring disk 29, which is in engagement with the rotation angle initiator 27a and the direction of rotation initiator 27b arranged. The rotation angle initiator 27a and the rotation direction initiator 27b are fixed to the receptacle housing 10 via the initiator mount 28.

The measuring disk 20 is arranged on the telescope 9a and is provided on its outer periphery with an angle mark 30, for example, introduced slots and introduced on a pitch circle at the same distance holes 31.

The rotation angle initiator 27 a is connected to the angle mark 30 and the direction of rotation initiator 27 is in engagement with the bores 31 (Figure 4).

On the piston rod 1 a of the lifting cylinder 1, the cross-beam 3 with the stepping blades 3 a is rotatably mounted about the axis of rotation 12 (axis of the lifting cylinder 1) via the provided with ball joint truss seat 4.

The Aulgabe the steering device is to predetermine a required direction of movement and to comply exactly during the sequence of movements.

The direction of movement of the steering mechanism succeeds at one stroke each time the shifting step in the direction of movement 26 via the strut beam 2, which is hydraulically released via the lifting cylinder 1, during its idle stroke.

A deviation in the parallelism between the crosshead 3 and the walking balance 2, sion, is determined by the plunger push-buttons 25a or 25b, which evaluate the movement of the switching shaft 16, and the absolute deviation of the direction of the slide-slide module! , ignalisieit by the angle system 6, corrected.

In the parallelism correction, the shift shaft 16 is displaced in its direction of movement 26 in the event of a deviation, whereby the plunger button 25a or the plunger button 25b is actuated as a function of the direction of movement 26. If the drift direction is detected, a counter movement of the hydraulic cylinder 5 is triggered by the control until the plunger push-buttons 25a and 25b have assumed the switching state shown in FIG.

If the angle measuring system 6 signals a deviation from the control-side set direction value, a counter-control by means of the hydraulic cylinder 5 also takes place, the deviation from the set angle value from the rotational angle initiator 27a caused by the rotation of the measuring disk 29 with its angle marking 30 triggering the switching pulses, which in turn are processed by the controller.

The detection of the direction deviation takes place by the evaluation of the switching pulses of the direction of rotation initiator 27b, upon rotation of the measuring disk 29 through the bore 31st

Depending on the existing of the drift position of the slide bar 2 and the following Schaltkombin ^ tion of the rotation angle 27a and the direction of rotation initiator 27b, determines the programmable logic controller, the deviation of the rotational movement direction 13 and provides switching pulses for drift correction by means of hydraulic cylinder. 5

If the preselected desired position is reached, the load is taken over by the stringer bar 2 and the crossbeam 3 is relieved by d ^ n lifting cylinder 1.

Now done by means of the Verschubzylinder 11 of the load displacement in the Verschubbewegungsrichtung 14 via di s slide bearing 2 a, wherein during this phase again the parallelism between the stringer 2 and crossbar 3, signaled via the measuring system 7 by driving the hydraulic cylinder 5, is produced.

For inclined and circular travel, the required travel angle of the sliding-sliding modules is set on the control. The alternation-time rotation of walking beams 2 and 3 Schreittraverse about the axis of rotation 12, each of the lifting cylinder 1 relieved elements takes place in maximum increments of 20 until the required target position is reached and the Aufaufseleniente are parallel.

If the scrub traverse 3 moves against an obstacle during the load feed, rotation of the same occurs about the axis of rotation 12 because the hydraulic cylinder 5 is released and in its end position by the position measuring system 7 shuts off the shifting process, thereby preventing mechanical destruction.

Claims (1)

Steering device for fluid-borne loads, consisting of a hydraulic cylinder with pivot bearing, which is movably attached via a piston rod head to a telescope and a lifting cylinder, on whose piston rod a crosshead with walking blades is mounted rotatably about a rotation axis, characterized in that the piston rod head (21) with the Wegmeßsystern (7) connected to the telescope (9a) and the Winkelmeßsystem (6) is arranged. For this 4 pages drawings