DE2753972C2 - Method for clamping and aligning a laying unit comprising a layer of concrete blocks with composite elements and a device for carrying out the method - Google Patents

Description

The invention relates to a method for stapling and aligning a block having a bandage Laying unit from a layer of concrete blocks with composite elements, which consists of several rows which are pushed together and in which several rows are bracketed together, as well as a device for carrying out the method.

In particular, concrete paving stones are predetermined Number of pieces produced simultaneously in one mold After the mold has been removed, the paving stones are in place on an underlay board next to each other, with even, the mold walls are spaced accordingly.

From DE-AS 11 76 332 a device is already for aligning and clamping such layers of paving stones lying on a base known. With the known device can paving stones that are spaced from one another in transverse rows and longitudinal rows are arranged to be pushed together both in the transverse and in the longitudinal direction until the removed from the The gaps resulting from the cladding are no longer present, so the paving stones lie against one another. Such a pushed together layer of

Paving stones can be lifted with the known device and several layers of these paving stones can be stacked on top of each other. After acceptance From a stack, the layers can be installed as a laying unit on construction sites.

The laying of paving stones should often in a so-called runner association, in which a number the paving stones are offset from the adjacent row. The known from DE-AS 11 76 332 Device is for aligning paving stones to form a bond in which the paving stones are different Do not end rows flush with one another, for example in a runner's bandage, not suitable, since it has two pairs of rails arranged parallel to one another and movable against one another, those at the outer edges of a layer of several rows of paving stones in the shape of a rectangular frame can be set and the layer of paving stones between them to a large extent Push together the rectangular laying unit with flush edges and clip.

Especially with concrete paving stones with composite elements If the paving stones are pushed together and clamped to form an installation unit, it is problematic, because of the interlocking protruding composite elements in adjacent rows of stones Moving is not possible

The invention is based on the object of a method and a device of the type mentioned at the beginning Art to be developed in such a way that a layer of concrete paving stones, in particular provided with composite elements can be aligned to an association or another association.

The object has been achieved according to the invention in that several rows are each individually clamped together that the adjacent, bracketed rows are moved apart, that the rows that have moved apart are shifted longitudinally and alternately against each other and then press against each other again will.

In this process, the individual rows of stones are first clamped and pulled apart to the extent that that they are pushed into a position by their protruding composite elements without mutual interference that can be a laying unit when the paving stones are fully clamped together in one layer results in which the paving stones are aligned with composite elements, for example in the impeller are.

To secure the individual layer on a stack or during transport is provided that the Association of the stone-having layer at the outer edges with a wire, tape, rope or similar tension elements to span tightly. As a result, the stone layer cannot fall apart again after the stapling was repealed.

A parenthesized according to the method according to the invention, Aligned layer of paving stones can be laid as a laying unit easily with suitable laying machines dismantled on site.

To carry out the method, a device has been created which is characterized by several pairs of brackets, each only holding one row of stones together, with the pairs of brackets attached frame-like support elements lengthways and at the same time Are guided transversely.

The frame-like "hanger elements are preferred profile tubes arranged parallel to one another, which with regard to their distance from one another under simultaneous All of the KJammerteile of the pairs of clamps that are guided on it are adjustable. This execution has the advantage that all pairs of brackets can be moved at the same time and thus the number of brackets required drive elements is limited to an advantageous minimum

To guide each Klammeroaares a sliding on the associated profile tube cross bushing is provided, which allows both a longitudinal movement on the profile tube, as well as the transverse guidance of each Klammerpcares transversely to the profile tube. Other designs are also conceivable for the designs.
A particularly simple construction of the cross bushings are pipe sections placed one on top of the other. Profile tubes and tube sections for the cross sockets can be, for example, square tubes which are commercially available in a wide variety of dimensions and can therefore easily be used for machining for mutual guidance by being inserted into one another.

To the longitudinal displacement path of each pair of brackets to limit on the profile tubes, so that the individual rows of stones also at regular intervals from each other after they have been pulled apart, stop members are provided on the device. Preferably These stop parts work together with the cross sockets by acting on the cross sockets protruding pin is arranged, which is in slots, preferably Elongated holes, guided by spacer rails aligned parallel to the profile tubes is the spacer rails connect the individual cross sockets to one another.

The length of the elongated holes increases in the direction of the center of the device. This ensures that not all rows of stones are pulled apart at the same time, but that row of stones is moved first whose pin is guided in the shortest of the elongated holes As soon as the pin is in this elongated hole on the other Side strikes, the spacer bar is also taken along until the pin of the adjacent The pair of brackets strikes on the opposite side of the associated somewhat longer elongated hole and this pair of brackets is now also moved. The pairs of brackets then slide further out until too the third pair of brackets taken from the Distatizschiene- will. This process is repeated until all pairs of brackets have been pushed out.

Working cylinders are preferably used as drive elements for generating movement however, it is also possible to work with electric motors and worm spindles or the like. Rack and pinion drives too are conceivable.

The use of working cylinders, preferably hydraulic working cylinders, still has the The advantage that end positions can be reached in a simple manner and that the working cylinder also to the pressure medium circuit of an existing hoist, for example a loading crane without more can be shot.

To adjust the width of the profile tubes clamping the rows of stones, at least one clamping cylinder is provided which simultaneously engages at least one pair of clamps on opposing cross sockets by, for example, in the case of a double-acting cylinder, the piston rod is hinged to a cross socket and the cylinder itself is hinged to the opposite cross socket.
For pulling apart the row of stones, it is

on the center of the device, a pair of clamps coupled to a working cylinder on each side. Travel the working cylinder off, the pairs of clamps hinged to them are kept on the profile tubes as long as they are pressed on the outside until, taking all the other pairs of brackets with you, over the spacer rails described above, the individual stapled rows of stones are pulled apart.

Then the rows of stones are shifted against each other. Between one end of a pair of clamps and the opposite end of the adjacent one For this purpose, the pair of clamps is one of these adjacent pairs of clamps across the profile tubes arranged shifting sliding cylinder. This sliding cylinder is also preferably a double-acting working cylinder. This means that the special arrangement of another cylinder, which causes the pairs of clamps to move together to the starting position, Vcrzichici.

In order to limit the number of said displacement cylinders to a minimum, one end is provided of a pair of brackets by means of a first connecting strap with similar ends in each case after the next Clamp pairs, and a second connecting tab with the opposite ends of the still free Coupling pairs of clamps, with the piston rod of the double-acting on the first connecting strap Shifting cylinder is articulated, the cylinder of which is supported on the second connecting plate ways the length of the device, based on the center of the device, be arranged on each side a sliding cylinder, so that when extending the sliding cylinder on each side of the device the next but one pair of clamps is extended laterally and thereby the clamped side parts are shifted against each other.

So that when pulling apart the Steinrsihsn one If the free movement of the pairs of clamps along the profile tubes is not hindered, the connecting straps are provided with protectors, preferably elongated holes, in which again a connecting element with the associated pair of clamps is movable. The elongated holes in the connecting straps have the same dimensions as the associated elongated holes in the spacer rails.

In order to give the entire device sufficient stability, it is provided that each pair of clamps is made to form mutually telescopically displaceable end sections. This telescopic connection is necessary to enable the movement of the parallel profile tubes through the attacking clamp cylinder.

The end sections of the pairs of clamps have stone stops, which advantageously form the end faces are adapted to the row of stones to be clamped This prevents the clamps from slipping at the ends, which can easily happen when touching a point. Due to the adapted stone stops, there is always one Surface contact, also possible with irregularly shaped end surfaces.

If different types of stones are to be clamped or combined with the device, can exchangeable stone fences can also be used. The device can of course also for Clamps and aligning or laying paving stones without composite elements can be used.

To further increase the stability of the device, the cross sockets of a pair of clamps arranged in the center of the device are firmly connected to the load-bearing profile tubes.

This creates a fixed point at which, for example, the working cylinders can be pulled apart the individual rows of stones can support. In addition, in the relatively solid center of the device, the arrangement of lifting equipment connecting means, such as suspensions or hooks.

ίο An embodiment of the invention from which Further inventive features result is shown in the drawing. It shows

F i g. 1 is a schematic plan view of a device only half shown,

is F i g. 2 is a side view in section along the line II-IIinFig. 1,

F i g. 3 is a schematic plan view of a base board with manufactured concrete composite paving stones before being combined in bandage form to form a weighing unit, and

F i g. 4 rows of stones shifted to bond with stones according to FIG. 3.

In Fig. 1 is a half of the device shown schematically in plan view for the purpose of simplification the other half of the completely symmetrical device was not drawn. The device consists essentially of two parallel profile tubes 1 and 2 and extending transversely to them, Pairs of brackets arranged at regular intervals 3. With the exception of the one in the center of the device Pair of clamps 3a, all other pairs of clamps 3 are longitudinally displaceable on the profile tubes 1 and 2. On the profile tubes 1 and 2, so-called cross bushings 4 slide, which are made up of cross-sectional profile tube sections 5 and 6 exist. The pipe sections 5 are guided on the profile pipes 1 and 2 and the clamp pairs 3 in the

■ »-! • sections 6. of each Kiammefpüär

consists of telescopically telescopic end sections 7 and 8, which are located directly in the profile sections 6 of the cross sockets 4 are performed. In the end sections 7 and 8 of a pair of clamps sits a connecting Intermediate pipe 9. A pull-out cylinder is supported on the intermediate pipe 9 located in the middle of the device 10, whose piston rod engages the penultimate pair of clamps 3 On the other side of the in A similar pull-out cylinder is attached to the support bracket 11 in the middle of the device, which moves the penultimate pair of clamps located on the device side, not shown

At 12 a clamp cylinder is referred to, the ar the outer pipe sections 5 of the cross sockets 4 of the outermost pair of brackets 3 engages through the KJammerylinder the distance between the profile tubes 1 and 2 can be changed, thereby taking away of the end sections 7 and 8 of each pair of clamps 3, the associated rows of stones are clamped in the paving stones position will. The coupling of all end sections 7 and 8 of the KJammerpaare 3 takes place via the cross sockets connecting spacer bars 13 and 14 with

eo elongated holes are equipped in which a screw pin 15, each secured by a washer and a nut, is slidably guided when the Pulling apart cylinder 10 can thus the penultimate pair of staples 3 with the stapled row of stones as long be moved alone until its pin 15 strikes against the opposite flank of the elongated hole 16 further movement of the pull-apart cylinder 10, the spacer bar 13 is then taken along.

until the pin 15 of the outermost pair of clamps, in the area of which the clamp cylinder 12 is also arranged is, strikes against the flank of the associated elongated hole 16. If the spacer rails continue to move This outermost pair of clamps is then also extended along the profile tubes 1 by the pull-out cylinder 10 and 2 moves. This pulls the individual rows of stones apart from one another. The through the Bracket pair 3a bracketed in the device means stone row, however, remains.

The end sections 7 and 8 of each Klar.vmerpaares 3 are still, as shown, provided with stone stops 17, which adapted to the end face contour of the schematically indicated paving stones with composite elements are to ensure a flat system. These stone stops 17 extend perpendicularly into the Drawing plane, as shown in FIG. 2 is shown.

With 18 and 19 respectively the next but one pairs of brackets are designated coupling Vcrbindüngsiaschen, on which Piston rod and cylinder of a sliding cylinder

Attack 20. The respective pairs of clamps are on the connecting straps again via the elongated holes

21 hinged, which correspond in their dimensions to the corresponding elongated holes of the spacer rails.

The sliding cylinder 20 is in the extended position shown, whereby the adjacent pairs of brackets are offset from one another, so that the stapled stones of each row in the position of a bandage form. The pull-out cylinder is in retracted position shown, so that the illustrated Ettriebsstellung the device the moment corresponds to the completion of a laying unit made of composite paving stones

In Fig. Fig. 2 is a sectional view taken along line II-II in Fig. 1. Identical components are provided with the same reference numbers. From this illustration it can be seen that the connecting tabs 18 and 19 on the underside of the pipe sections 6 of the cross sockets 4 are arranged, with the associated displacement cylinder in the space between the individual pairs of brackets extends, and is not drawn in this side view. The expansion cylinder 10 is indicated by dashed lines

The F i g. 2 shows that the movement of the end sections 7 and 8 of each pair of clamps is limited in the associated pipe section 6 of the cross socket 4, in that a pin 22 slides in the elongated holes 23 The pairs of brackets can thereby in their entirety be pushed out to the left or right by the displacement cylinder 20 without the clamping effect is canceled by the clamp cylinder 12.

In Fig. 3 shows a top view of an underlay board on which a layer of composite paving stones is arranged is how it is shaped during its manufacture. By the device described above, each of the vertical rows of three paving stones 24, each of which lies against one another with their narrow sides, are bracketed and the individual rows are drawn apart and shifted until each paving stone is next to its neighboring one Stone lies in a bandage form. The laying unit that has the bandage can then use the same device also be relocated.

F i g. 4 shows some rows of stones shifted by half a stone on a stretcher bond, which are made from stones according to FIG F i g, 3 exist.

For this purpose 4 sheets of drawings

Claims (19)

Patent claims: 1. A method for clamping and aligning a laying unit having a bandage of the stones from a layer of concrete blocks with composite elements, which consists of several rows that are pushed together and in which several rows are bracketed together, thereby characterized in that several rows are individually bracketed together that the one another adjacent, bracketed rows alternately shifted longitudinally and then pressed together again. 2. The method according to claim 1, characterized in that that the layer with the association of the stones on the outer edge with a wire, tape, Rope ο. Like. Tension element is spanned tightly. 3. Apparatus for carrying out the method according to spoke 1, characterized by several pairs of rdammer (3, 3ä), which each clip together only a row of stones, the pairs of brackets are guided on frame-like support elements longitudinally and at the same time transversely displaceable. 4. Apparatus according to claim 3, characterized in that the frame-like, n supporting elements are parallel to each other arranged profile tubes (1,2) which are adjustable with respect to their distance from each other while simultaneously entrainment of all clip parts of the clip pairs (3, 3a) guided thereon. 5. Apparatus according to claim 3 or 4, characterized in that for guiding each pair of brackets (3) one on the tensioned profile tube (1, 2) sliding cross socket (4) is provided. 6. Apparatus according to claim 5, characterized in that that each cross socket consists of intersecting, stacked pipe sections (5,6) 7. Device according to one of claims 4 to 6, characterized in that the sliding path of the Cross sockets (4) on the profile tubes (1, 2) is limited by stop parts 8. Apparatus according to claim 6, characterized in that as stop parts parallel to each Profile tube (1, 2) aligned spacer rails (13, 14) are provided which have a number of slots, preferably Have elongated holes (16), in each of which a cross socket (4) is guided. 9. Apparatus according to claim 8, characterized in that the length of the elongated holes (16) to the center of the device increases towards. 10. Device according to one of the preceding claims, characterized by the use of working cylinders (10, 12, 20) as drive elements for generating movement. rl. Device according to Claim 10, characterized in that the width adjustment clinging to the row of stones of the profile tubes (1, 2) on opposite cross sockets (4) at least one A clamp cylinder (12) is hinged to the pair of clamps (3) 12. The device according to claim 10, characterized in that with respect to the center of the device on each side a pair of brackets (3) with a working cylinder (10) for pulling apart the Rows of stones is coupled. 13. The apparatus according to claim 10, characterized in that at one end of a pair of clamps (3) and the opposite end of the respective adjacent pair of brackets a these adjacent Pairs of clamps articulated transversely to the profile tubes (1, 2) displacing sliding cylinder (20) is 14. The device according to claim 13, characterized in that one end of a pair of clamps (3) by means of a first connecting strap (18) with the same type of ends in each case after the next pair of clamps (3) and a second connecting strap (19) with the opposite ends even more free Bracket pairs (3) is coupled and that on the first Connecting glass (18) the piston rod of the sliding cylinder is hinged to the cylinder is supported on the second connecting strap (19) 15. The device according to claim 14, characterized in that each connecting tube (18, 19) has a number of slots, preferably elongated holes (21), along which a connecting element (15) is movable with the associated pair of clamps (3) 16. Device according to one of claims 3 to 15, characterized in that each pair of clamps (3, Za) consists of mutually telescopically displaceable end sections 17. The device according to claim 16, characterized in that that the end sections of the pairs of clamps correspond to the end faces of the row of stones to be clamped have adapted stone stops (17). 18. The device according to claim 17, characterized in that each stone stop (17) with at least a pretensioned spring element supported on the associated end section in operative connection stands 19. Device according to one of claims 3 to 18, characterized in that in the center of the device arranged Kieuz bushings (4) of a pair of clamps (3a,> with the load-bearing profile tubes (1,2) are firmly connected.