DE1484591C3

DE1484591C3 - Portable plate compactor

Info

Publication number: DE1484591C3
Application number: DE19631484591
Authority: DE
Inventors: Auf Nichtnennung Antrag
Original assignee: Individual
Current assignee: Individual
Priority date: 1963-12-19
Filing date: 1963-12-19
Publication date: 1974-03-14
Also published as: DE1484591B2; DE1484591A1

Description

3 43 4

Die hydraulische Antriebsvorrichtung für den KoI- Obermassen- und die Grundplatte gegeneinander be-The hydraulic drive device for the KoI upper mass plate and the base plate are

ben-Zylinder-Antrieb kann in bekannter Weise ent- wegt. Diese fallen dann gemeinsam auf das zu ver-ben-cylinder drive can be removed in a known manner. These then fall together on the

weder auf der Obermassenplatte oder außerhalb des dichtende Gut und bewirken dadurch die Verdich-neither on the upper mass plate nor outside of the sealing material and thereby cause the compression

Plattenverdichtungsgerätes, z. B. auf einem Trans- tung.Plate compacting device, e.g. B. on a trans- tion.

portfahrzeug, angebracht sein. 5 Um die Grundplatte 1 und die Obermassenplatte 2port vehicle. 5 Around the base plate 1 and the upper mass plate 2

Die Erfindung ist an einem in der Zeichnung dar- schneller gegeneinander zu bewegen, kann neben derThe invention is to move faster against one another in the drawing, in addition to the

gestellten Ausführungsbeispiel erläutert, es zeigt Kraft der Federn 3 noch eine entsprechende Beauf-illustrated embodiment, it shows the force of the springs 3 still a corresponding Beauf-

Abb. 1 einen Schnitt durch ein Plattenverdich- schlagung des Kolben-Zylinder-Antricbes 4 erfolgen,Fig. 1 is a section through a plate compression of the piston-cylinder drive 4,

tungsgerät gemäß der Erfindung, wenn dieser doppeltwirkend ausgebildet ist. Erfolgtprocessing device according to the invention, if this is designed double-acting. He follows

A b b. 2 das Gerät in Vorlaufstellung und io die Zusammenführung der Obermassenplatte 2 undA b b. 2 the device in the forward position and io the merging of the upper mass plate 2 and

Abb. 3 das Gerät in Rücklaufstellung. der Grundplatte 1 schneller, so verringert sich damitFig. 3 the device in the return position. the base plate 1 faster, so it decreases

Auf die Wiedergabe der Hydraulikleitungen wurde die Zeit, in der die Schwerkraft auf das System einverzichtet, da diese nicht erfindungswesentlich sind wirken kann, und die Sprunghöhe wird größer, was und nur die klare Übersicht der Abbildungen stören wiederum eine Steigerung der Verdichtungsleistung würden. 15 bedeutet.The reproduction of the hydraulic lines shows the time in which gravity is dispensed with on the system, since these are not essential to the invention can work, and the jump height is greater, what and only the clear overview of the images interferes with an increase in compaction performance would. 15 means.

Eine Grundplatte 1 ist mit einer Obermassen- Neben der mechanischen Verdichtung durch die platte 2 durch Federn 3 verbunden. Der Hub für die Schlagwirkung des Plattenverdichtungsgerätes Obermassenplatte 2 erfolgt durch einen oder mehrere kommt noch jene Verdichtungswirkung hinzu, die hydraulische Kolben-Zylinder-Antriebe 4. Eine rela- durch die Schwingung und Erregung in dem zu vertive Verschiebung der Obermassenplatte 2 gegen die 20 dichtenden Material erfolgt. Durch die rasche Folge Grundplatte 1, die für den Vor- und Rücklauf maß- der Schläge wird das zu verdichtende Gut in Schwingebend ist, wird durch einen oder mehrere hydrauli- gungen versetzt, wodurch es sich unterstützt durch sehe Kolben-Zylinder-Antriebe 5 bewirkt. Die KoI- die Auflast der Platte, dichter lagert. Die Schlagzahl ben-Zylinder-Antriebe4 und 5 werden von einer hy- des Plattenverdichtungsgerätcs läßt sich in einfacher draulischen Antriebsvorrichtung 6, in der eine Öl- 25 Weise durch Verändern der Fließgeschwindigkeit des pumpe, ein Ölbehälter und Steiierorgane unterge- Hydrauliköls regulieren und damit auf die Eigenbracht sind, beaufschlagt. Angetrieben wird die hy- schwingung des zu verdichtenden Materials einsteldraulische Antriebsvorrichtung 6 von einem beliebi- len.A base plate 1 is with an upper mass addition to the mechanical compression by the plate 2 connected by springs 3. The stroke for the impact effect of the plate compactor Upper mass plate 2 is carried out by one or more that compaction effect is added hydraulic piston-cylinder drives 4. A rela- tive due to the vibration and excitation in which to vertive The upper mass plate 2 is shifted against the 20 sealing material. Because of the quick succession Base plate 1, which is measured for the forward and return of the blows, the material to be compacted is vibrating is, is offset by one or more hydraulic systems, whereby it is supported by see piston-cylinder drives 5 causes. The KoI- the load of the plate, is more densely stored. The stroke rate ben-cylinder drives 4 and 5 are operated by a hydraulic plate compacting device hydraulic drive device 6, in which an oil 25 way by changing the flow rate of the Regulate pump, an oil tank and control elements under hydraulic oil and thus on your own are acted upon. The hydraulic vibration of the material to be compacted is driven in a single hydraulic manner Drive device 6 of any one.

gen Antriebsmotor?, wie beispielsweise einem Ver- Der Vor- bzw. Rücklauf wird gemäß Abb. 2gen drive motor? such as a flow or return is shown in Fig. 2

brennungsmotor, der ebenfalls auf der Obermassen- 30 und 3 dadurch bewirkt, daß die Obcrmassenplaiie 2Internal combustion engine, which also causes the upper mass plane 2

platte 2 angeordnet ist. seitlich gegenüber der Grundplatte I verschobenplate 2 is arranged. shifted laterally in relation to the base plate I.

Das Gerät wird durch eine Deichsel 8 geführt, an . wird. In dieser Lage wird die Obcrmassenplatte 2 bisThe device is guided by a drawbar 8. will. In this position, the upper mass plate 2 to

der Schalteinrichtungen 9 befestigt sind. zu einer gewünschten Höhe gehoben. In diesemthe switching devices 9 are attached. raised to a desired height. In this

Die Wirkungsweise des Gerätes ist nachfolgend Punkt werden beide Kolben-Zylinder-Antriebe 4 beschrieben. In der Stellung nach A b b. 1 wird durch 35 und 5 drucklos geschaltet, so daß die Obermassenden Kolben-Zylinder-Antrieb 4 die Obermassen- und Grundplatte unter der Federwirkung und in platte 2 von der Grundplatte 1 weg nach oben ge- . Richtung der Federn 3 aufeinander zu bewegt werden drückt bis zu einer einstellbaren Höhe. Dabei werden und unter dem Einfluß der Schwerkraft auf das zu die Federn 3 gespannt. Wenn der Kolben-Zylinder- verdichtende Gut fallen. Entsprechend der Verschie-Antrieb4 seinen vorbestimmten Hub erreicht hat, so 40 bung der Obermassenplatte 2 wird damit der Plattenwird er durch einen Steuerschieber drucklos geschal- verdichter schrittweise vorwärts oder rückwärts betet. Durch die Federkraft der Federn 3 werden die wegt.The operation of the device is as follows: Both piston-cylinder drives 4 described. In the position according to A b b. 1 is depressurized by 35 and 5, so that the upper mass ends Piston-cylinder drive 4 the upper mass and base plate under the action of the spring and in plate 2 away from the base plate 1 upwards. Direction of the springs 3 are moved towards each other pushes up to an adjustable height. In doing so, and under the influence of gravity on the the springs 3 tensioned. When the piston-cylinder compressing goods fall. According to the shift drive4 has reached its predetermined stroke, so the upper mass plate 2 becomes so that the plate becomes he prays forwards or backwards step by step by means of a control slide. The spring force of the springs 3 moves them away.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims

1 2 limits can be changed, so that the advance, oscillation number and unbalance force can also only be regulated to a limited extent.

1. Portable plate compactor The additional equipment of a plate compactor Compaction of the subsoil, of concrete 5 processing device with a return means the Zuod. Like. With a base plate and a top set of other, sometimes complicated mass plate, which by springs and at least and very vulnerable gears and control equipment one vertically and one horizontally, which makes the device much more expensive Neten hydraulic piston-cylinder drive with it.

are connected with an adjustable stroke, so that finally the bearing of the rotating is characterized by the fact that the hydraulic flyweights cause further difficulties. Due to the high centrifugal forces of the piston-cylinder drives (4 and 5), the bearings of the Unlenkig on the base plate (1) and on the upper balance shaft are exposed to great loads, since these mass plate (2) are connected and that alone transfer the imbalance force to the device. Piston-cylinder drive (5) for the mutual 15 The bearings therefore wear out relatively quickly,
horizontal displacement of the base plate (1) In addition, a plate compacting device with the and the upper mass plate (2) is known as a heavy weight of the ramming ram arranged vertically in the central position. The upper mass piston-cylinder drive (4) is actuated so that the plate is periodically raised by a hydraulic piston-cylinder this optionally forwards or backwards 20 drive, which can be tilted at the top dead center. . point is depressurized, whereupon the upper

2. Plate compacting apparatus according to claim 1, mass, supported by a spring, on the ground thereby characterized in that the drive motor plate falls back. When lifting, the (7) and the hydraulic drive device (6) second piston-cylinder drive the upper mass in for the piston-cylinder drives (4 and 5) advanced to 25 working direction, and afterwards Upper mass plate (2) are arranged. the base plate is switched by means of a spring

3. Plate compacting device according to claim 1, drawn. The piston-cylinder and thereby are through it characterized in that the hydraulic drives are rigidly attached to the upper mass or the base plate Drive device for the piston-cylinder-attached and there are for the horizontal sliding gear (4 and 5) outside of the plate compression 3 ° exercise guide rails and rollers are provided. A device, e.g. on a transport vehicle, switching to a backward movement is included is set up. not possible.

The invention is based on the object

optionally forwards or backwards movable platform

35 ten compression device to create the frequency and amplitude of which can be easily controlled and in which the

The invention relates to a self-moving plat- elaborate and wear-prone components of the compacting device for compacting the building site, unbalanced vibrating plates are avoided,
des, of concrete or the like, with a base plate and This task is performed in a device with the one

an upper mass plate, the features specified by springs and min- 4 ° gangs according to the invention at least one vertically and one horizontally solved by arranging the hydraulic piston-cylinder hydraulic piston-cylinder drive the drives articulated on the base plate and on the are connected to an adjustable stroke. Upper mass plate are connected and that the

In most of the known plate compression piston-cylinder drive for the reciprocal scales the compression is achieved by the periodic 45 right displacement of the base plate and the upper centrifugal forces from on the lower mass plate the mass plate so independent of the one in the co-ordinate, Piston-cylinder drive actuated by a motor, rotated in a vertical position Caused imbalances, the axis of which is par- able, that this either forward or backward allele can be inclined at the rear to the floor surface and perpendicular to the movement.

direction of travel is. Therefore, by the rotary 5 ° The plate compacting device according to the invention Unbalanced inertia forces with in the singling has the advantage that through the hydraulics Sinusoidal curve in nn directions is generated, which increases the height of the jump and thus the impact or compression Soil, as a rule, also with the same kind of disposal rate during operation, which has run in at will Set vibrations. can be provided. The sequence of strokes is also

In the case of the known devices, the vibrating limit is usually from zero to a maximum value, So the centrifugal force, much larger than the rend of the operation can be regulated. Finally, on one Vibrating weight, whereby the upwardly directed way of forward and reverse movement and vice versa Force lifts the device, so that you can quickly switch to each other and the desired march following Blows to the ground. speed to a large extent also from zero The advance of the devices will be selected by a force level up to a maximum value. Through the Ponentc achieves the possibility of setting the number of strokes and the sequence of strokes as required in the direction of the feed works. and forward and reverse speed can do that

In order to effortlessly ensure that the plate compacting devices according to the invention advance to the verzu, the imbalance force can set a sealing material, so that an optimum of white size, which is ensured by the mass of the device compressing performance.
is true, do not exceed. Furthermore, the device according to the invention has a

can the speed of the internal combustion engine for a sol- extraordinarily simple structure and simple rake Plate sealing device only in relatively narrow gel facilities.