EP1068397B1 - Slip-form paver - Google Patents

Description

The invention relates to a slipform paver according to the preamble of claim 1.

Such slipform pavers are needed to Making road surfaces from concrete. Known slipform pavers have a tractor that consists of a Machine frame and four undercarriage consists of different work facilities for distributing and Wear smooth the concrete.

Because the desired concrete lane width, for example in the case of threading traces, is the slipform pavers often have to be converted, depending on the required scope of the renovation work takes two to three days to remodel.

Such breaks in work are undesirable that slipform pavers have already been developed are whose machine frames are telescopically widened can be (WO95 / 28525).

BE 895 199 A discloses a device for laying of concrete tracks that are telescopic in working width is changeable. The working device of this device can be adapted to the working width via assembly. The intermediate frame is rigidly connected to the base frame.

While it is relatively simple, the frame width of the machine frame can be changed telescopically it can cause considerable difficulty if at the same time also the work equipment telescopic in the working width need to be changed. Prepares in particular the setting of a correct roof profile of the Concrete ceiling when changing the working width problems, because when changing the working width at the same time the height of the concrete troughs on the outer edges changed so that the entire slipform paver must be leveled again.

The invention is therefore based on the object a slipform paver of the type mentioned to develop in such a way that the necessary renovation work at the work facility in the event of change the working width can be minimized, and that the slip shift paver without re-leveling Changing the working width is usable.

The features of the claim serve to solve this problem 1.

The invention advantageously provides that the Machine frame has a base frame in which the telescopic cross members are stored under an intermediate frame is arranged on the base frame, the Distance from the base frame is adjustable, and that one divided over the working width to the working width Adaptable work equipment without assembly is attached to the intermediate frame. The intermediate frame allows the work facility to be relative to the To adjust the height of the base frame, making changes, due to a changed working width arise, are compensated by the height adjustment can.

It is preferably provided that the working device articulated on the outside on the side members and Slidable on the inside of the intermediate frame in the transverse direction is articulated. That way be ensured that at an angle set Work set the set angle Maintained even if the working width changes is, so that no new adjustment of the angular position must be done.

For example, the work equipment consists of two Concrete troughs arranged one behind the other in the working direction are and together the set working width cover. The concrete troughs are also included provided with side formwork. becomes the machine frame telescoped, the concrete troughs can also be relative move to each other.

The intermediate frame can be adjusted using several jointly Height adjustment devices with the base frame be connected. The jointly adjustable Height adjustment devices enable parallel movement of the intermediate frame relative to the base frame in a vertical direction. The Angle of inclination of the concrete troughs between approx. 0 ° and can be adjusted by a maximum of 3 °.

The side members are each telescopic over two extendable cross members and a piston-cylinder unit connected to the base frame. Such a construction has a high stability.

The trolleys can turn around at the ends of the side members Can be swiveled 90 °. In this way the slipform paver is can be moved in the transverse direction and can for example, be loaded onto a flatbed truck.

The trolleys can be guided using a parallelogram guide be coupled to the side members. The parallelogram guide enables changing the track width of the slipform paver without changing the Frame width.

In a preferred development of the invention provided that a transverse to the base frame Rail guide with at least two telescopic Rails is arranged, and that a carriage for one Work equipment on the rail guide in the transverse direction is movable. Such a device enables it advantageously, a work facility to move over the entire working width, whereby even if the working width changes, no conversion measures required are.

The carriage has several rollers with accordingly the number of rails arranged in parallel next to each other Grooves on so that at least one of the Grooves are engaged with one of the rails. On this way the carriage is independent of the set one Working width always over the entire working width passable.

The carriage is preferably using a Move the pull rope on the rail guide.

There is a pull rope on each side of the carriage attached, being on the side members or on a cable winch with a drive is arranged on the trolleys is. Only one drive is on one of the Controllable on the sides of the slipform paver.

The carriage is in an advantageous development connected with flexible hydraulic lines that over a hose reel can be fed. The hydraulic connection on the carriage allows hydraulic drives the work equipment attached to the carriage to be supplied with pressure oil.

The working device can for example consist of a height-adjustable sword distributor exist.

On the front of the base frame, a height adjustable Front wall attached to both Pages each has a telescopic wall element. The front wall is with the telescopic Wall elements without alteration to a changed working width of the slipform paver adaptable and can in the telescopic widening of the machine frame automatically to the required working width be extended.

The front wall elements are articulated on the one hand with the Front wall and on the other hand articulated and adjustable in height connected to the side member. This allows the Front wall elements with regard to the angle of inclination can be set.

The work equipment attached to the carriage can also from one attached to the back of the base frame Longitudinal smoothers exist. In this case, you can the lateral ends are connected to the undercarriages, so that the rail guide a larger one. Has length. than the working width of the slipform paver.

The longitudinal smoother is connected to the base frame by two handlebars coupled so that a longitudinal displacement of the longitudinal smoothing with a parallel displacement of the trolleys outwards or inwards is possible.

A cross smoother can also be made on the base frame two in the middle of the working width to form one Roof profile articulated beam parts or screed parts be attached.

The angle of inclination of the screed parts can be between piston-cylinder unit acting on the screed parts be adjustable. A stop limits the angle of inclination down so that negative angle of inclination are not adjustable.

The screed parts or extension screeds attached to them can have transverse rails have on which the side members in the transverse direction can slide so that the screed parts or step out their extension on the side members can. This way is also with one Cross straightener ensures that an adjustment to different Working widths possible in a wide range is, and that with a larger adjustment the Working width only the addition or removal of extension pieces is required.

It is provided that the screed parts on the side members are height adjustable attached.

The following is an embodiment of the invention explained in more detail.

Fig. 1

eine Draufsicht auf den Gleitschalungsfertiger,

Fig. 2

eine Seitenansicht zu Fig. 1,

Fig. 3

eine Frontansicht des Maschinenrahmens,

Fig. 4

eine Frontansicht der Betonmulden,

Fig. 5

das Detail V in Fig. 4,

Fig. 6

den Zwischenrahmen mit den darin befestigten Betonmulden,

Fig. 7

eine Draufsicht auf die Betonmulden mit Vibrations-Verflüssigungseinrichtungen,

Fig. 8

einen Schwertverteiler,

Fig. 9

eine Seitenansicht des Schwertverteilers,

Fig. 10

eine vergrößerte Darstellung der Schienenführung des Schwertverteilers,

Fig. 11

eine teleskopierbare Vorderwand,

Fig. 12

eine Draufsicht auf die Vorderwand,

Fig. 13

einen Querschnitt durch Linie XIII-XIII in Fig. 12,

Fig. 14

die Frontansicht eines Querglätters,

Fig. 15

eine Seitenansicht des Querglätters,

Fig. 16

eine Seitenansicht, teilweise im Querschnitt eines Längsglätters,

Fig. 17

eine Draufsicht auf die Schienenführung des Längsglätters,

Fig. 18

eine vergrößerte Darstellung der Schienenführung des Längsglätters, und

Fig. 19

eine schematische Darstellung der Schwenkbarkeit der Fahrwerke.

Show it:

Fig. 1

a plan view of the slipform paver,

Fig. 2

2 shows a side view of FIG. 1,

Fig. 3

a front view of the machine frame,

Fig. 4

a front view of the concrete troughs,

Fig. 5

the detail V in Fig. 4,

Fig. 6

the intermediate frame with the concrete troughs fastened in it,

Fig. 7

a plan view of the concrete troughs with vibration liquefaction devices,

Fig. 8

a sword distributor,

Fig. 9

a side view of the sword distributor,

Fig. 10

an enlarged view of the rail guide of the sword distributor,

Fig. 11

a telescopic front wall,

Fig. 12

a top view of the front wall,

Fig. 13

a cross section through line XIII-XIII in Fig. 12,

Fig. 14

the front view of a cross straightener,

Fig. 15

a side view of the cross straightener,

Fig. 16

a side view, partially in cross section of a longitudinal smoothing machine,

Fig. 17

a plan view of the rail guide of the longitudinal smoothing,

Fig. 18

an enlarged view of the rail guide of the longitudinal smoothing, and

Fig. 19

a schematic representation of the pivotability of the trolleys.

The slipform paver has a tractor 2, of a machine frame 4 with parallel to the working direction extending longitudinal beams 8 and made of telescopic, transverse to the working direction Cross members 18 for variable adjustment of the working width consists. The cross members are in a base frame 20 stored, with a total of four. Cross member 18 of one in the middle of the working width Stand out base frame 20 and connected to the side members 8 are.

The cross members 18 are offset in the base frame 20 arranged to each other, so that for example the working width is variable between 3 m and 6 m. The Cross members 18 can also be double telescopic, if significantly larger working widths can be set should.

At the front and rear ends of the side members 8 a chassis 14 is guided in parallelogram fashion hinged. For parallelogram guidance, which is a track width adjustment without changing the working width permits, two parallelogram links 16 are provided, the chassis 14 articulated with the side member connect.

In addition, the trolleys at the ends of the side members 8 can be pivoted through an angle of 90 °, so that the slipform paver is transverse to its working direction can be loaded onto a flatbed truck without to exceed the maximum permissible transport width (Fig. 19).

The trolleys 14 also allow height adjustment the machine frame in a known manner.

As best seen in FIG. 6, an intermediate frame 24 is arranged on the base frame 20, the distance from which is adjustable from the base frame. With the aid of the intermediate frame 24, the height of work facilities, for example concrete troughs 28, 32, can accordingly be adjusted relative to the base frame 20. The concrete troughs 28, 32 are as shown in FIGS. 1 and 2 are arranged one behind the other in the working direction and together cover the set working width. The concrete troughs 28, 32 are fastened on the outside, stationary and articulated to the side members 8. When the working width is changed telescopically via the cross members 18, the concrete troughs 28, 32 are automatically pulled apart or pushed together. The concrete troughs 28, 32 slide at their upper edges in the intermediate frame 24, which can have four double-T profiles, for example, for guiding the concrete troughs 28, 32 (FIG. 6). The concrete troughs 28, 32 are articulated on the intermediate frame 24 so as to be displaceable in the transverse direction. The joint is formed, for example, via a clamping strip 22, which holds one leg of the double-T profile 25 in a spring-loaded manner (FIGS. 5 and 6).

The adjustment of the working width also changes the angle of inclination of the concrete troughs 28.32.

With the help of the height adjustment of the intermediate frame 24 , the desired angle of inclination of the concrete troughs 28, 32 can be set very quickly, without the need to re-level the slipform paver. With the help of the height adjustment device 36, for example, a roof angle between 0 and 3 ° can be set quickly. The height adjustment devices 36 can consist of a spindle nut drive. The nut is provided on the outside with a pinion 48 and is held stationary relative to the base frame 20 in the axial direction. A rotating chain 44, which is driven by a drive motor 42 with pinion, is coupled to all four spindle nuts, so that all height adjustment devices 36 are driven simultaneously and uniformly. In the case of fig. In the illustrated embodiment, four height adjustment devices 36 are provided between the base frame 20 and the intermediate frame 24. Alternatively, piston-cylinder units can also be used in combination with a displacement measuring system as height adjustment devices 36.

In the direction of travel in front of the concrete troughs 28,32 are more common Way consisting of several vibrating bottles Liquefaction devices 26 arranged, preferably are also suspended from the intermediate frame 24.

The outer ends of the concrete troughs 28, 32 are articulated on a support arm connected to the longitudinal beams 8 stored and have a side formwork at their free ends 34 on.

The figures 8 to 10 show a sword distributor 94 with a height-adjustable plow-like sword 96, the with the help of a carriage 70 and a rail guide 56 moved back and forth across the entire working width can be.

The carriage 70 is moved with the aid of a pull rope 74, a cable winch 78 with a drive 82 the side members 8 are arranged. The winch drives 82 consist of hydraulic motors. There will always be only one motor driven, the carriage 70, each according to which motor is driven, in the Drawing moved left or right.

For the hydraulic supply of the lifting cylinder 72 are rollable flexible hydraulic lines 86 are provided, the from one, for example attached to the machine frame 4 Hose reel 90 can be unwound and under Tension can be kept. Preferably the Hose reel 90 attached to the base frame 20. On schematic cross section of the carriage 70 is in the FIGS. 9 and 10 can be seen. The rail guide 56 is made from a hollow middle part 64, the total four extendable slide rails 60,62. The Slide rails 60, 62 can cross to the left or telescoped to the right together with the machine frame 6 because the slide rails 60, 62 on their side Screwed ends to the side members 8 via a head plate are.

The rails 60, 62 each have on their outer sides Round rods 65 on which the double rollers 66 of the Roller 70 roll.

The carriage 70 has two with a lateral distance and double rollers arranged at a vertical distance 66 on the top and bottom rails 60,62 include. With telescopic rails 60,62 is always at least one raceway of the rollers 66 in contact with a round bar 65.

Due to the cable drive of the carriage 70 is at telescoping the machine frame automatically the sword distributor 94 telescopic without Conversion work would be necessary.

The figures 11, 12 and 13 show a variable front wall 102, which consists of a fixed center piece 104, and two telescopic front wall elements 108, 112, which is in the working direction, as best shown in FIG. 12 can be seen are arranged one behind the other.

The outer wall elements 104, 108 are over one Carriers connected to the side members 8 and are with a broadening of the machine frame in the event of change telescoped according to the working width. The Middle piece 104 is fastened to the base frame 20 via two Height-adjustable cylinder 116 parallel.

The telescopic front wall elements 108, 112 are in Elongated holes 110 articulated on the longitudinal beams 8 and can also have a Lift cylinder 118 can be raised or lowered.

Enclose the telescopic front wall elements 104, 108, as best seen in Fig. 13, the front wall center piece 104 form-fitting, whereby sufficient There is play so that the front wall elements 108, 112 are telescopic even with a roof profile.

The figures 14 and 15 show an embodiment of a Cross smoother 150. The cross smoother 150 consists of two approx. 2.20 m wide beam parts (screed parts) 154, 158 in the middle of the machine at its lower Edge in a joint 156 are connected to each other to be able to implement the setting of a roof profile. Horizontal lies above the two bar parts 154, 158 a piston-cylinder unit 162, the two Can push bar parts 154, 158 apart. To ensure, that the two beam parts 154, 158 do not sag downwards in the form of a V-profile, limited a sleeve 166 the distance between two reference points of the bar parts 154, 158.

Extension planks can be placed on either side of the beam parts 154, 158 120 screwed.

With the help of an eccentric drive 160, an oscillating Cross movement of the cross straightener with the help of a Push rod 164 are generated.

At the outer ends of the beam parts 154, 158 or on extensions 170 (as shown in FIG. 14) a sliding guide 174, 176 can be mounted. The sliding guides 174,176 are with the help of a height adjustment device 168 and a connector 180 on the side member 8 attached.

The connector 180 can be on any slide Slide 174,176 by approx. 700 mm each. The cross straightener can therefore change the width of the tractor approx. 1.40 m allow without modification. Will the working width by 1.40 m narrowed, the beam parts 154, 158 or the extension planks stand 170 left and right by approx. 0.7 m above the machine frame above. With the help of the height adjustment device 168 the cross straightener can be done manually its height can be adjusted via a spindle. This Adjustment takes place in the mm range and is used for Correction of the surface to your desired installation thickness.

The figures 16 to 18 show a longitudinal smoother 120 which as best seen in Fig. 1, using a beam running parallel to the working direction 122 on the base frame 20 or on the intermediate frame 24 is attached. The longitudinal smoother 120 can be similar to the sword distributor 94 with the help of a carriage 128 across the entire working width and with widening of the track the trolleys 14 also moved back and forth become.

A fixed middle part 138 of the rail guide 142 takes, as in the embodiment of FIG. 10, two slide rails 144, 148 that can be pulled out to the side. The stationary middle part 138 also forms one third slide rail 146. The provided in the carriage 128 four rollers 130 each have three grooves on, each of which has at least one running groove engages with one of the rails 144, 146, 148. How 17, the carriage 128 encloses with the laterally and vertically spaced rollers 130 the rails protruding downwards and upwards 144,146,148.

The carriage 128 is driven by a pull rope 132, both sides of the rail guide 142 with the help one winch 136 and the associated drive 140 can be wound up. Unlike that Embodiment of FIGS. There are 8 to 10 the winches 136 not on the side member 8 but on the trolleys 14, as best seen in FIG. 1.

With a parallel displacement of the trolleys 14 can the rails 144, 148 of the longitudinal smoothing device 120 over the working width of the slipform paver extended become. Since, as can be seen from Fig. 1, the Parallel displacement of the trolleys 14 also a change the distance of the longitudinal smoothing 122 to that Base frame 20 takes place, the longitudinal smoother 122 is over two links 124 coupled to the carrier 122. The handlebars 124 are on the front in the working direction Side of the rail guide 142 guided in elongated holes, so that the relative position of the longitudinal smoother 122nd to the base frame 20 when changing the track width can adjust.

The longitudinal straightener 122 can also be as in the embodiment of FIGS. 8 to 10, on flexible hydraulic hoses for the oscillating Smoothing mode must be connected.

Claims (22)

1. A slip-form paver comprising a tractor (2) consisting of a machine frame (4) with longitudinal beams (8) extending in parallel to the working direction, at the end of which beams track assemblies (14) are provided, and comprising telescopically movable cross beams (18) extending transverse to the working direction for variably setting the working width, working means being mounted to the machine frame (4) that are adjustable to different working widths, wherein the machine frame (4) has a base frame (20) in which the telescopically operable cross beams (18) are supported, and an intermediate frame (24) is arranged below the base frame (20), the intermediate frame (24) being mounted with a working means divided over the working width and adaptable to the working width,
   characterized in that the distance of the intermediate frame (24) from the base frame (20) is vertically adjustable, and that the working means is adaptable to the working width without any mounting work.
2. The device of claim 1, wherein the segmented working means is stationarily articulated at the longitudinal beams (8) on the outer side and, on the inner side, the working means is articulated and supported for transverse displacement at the intermediate frame (24).
3. The device of claim 1 or 2, wherein the working means comprises two concrete troughs (28, 32) arranged successively in the working direction and covering the desired working width together.
4. The device of one of claims 1 to 3, wherein the intermediate frame (24) is connected to the base frame (20) through a plurality of commonly adjustable vertical adjustment means (26).
5. The device of claim 4, wherein the cross beams (18) are twice telescopically extendable.
6. The device of one of claims 1 to 5, wherein the longitudinal beams (8) are respectively connected with the base frame (20) through two telescopically extendable cross beams (18) and a piston-cylinder unit (52).
7. The device of one of claims 1 to 6, wherein the track assemblies (14) are arranged at the ends of the longitudinal beams (8) for pivotal movement through 90°.
8. The device of one of claims 1 to 7, wherein the track assemblies (14) are coupled to the longitudinal beams (8) by means of a parallelogram guide (16).
9. The device of one of claims 1 to 8, wherein the base frame (20) is mounted with a transverse rail guide (56; 142) having at least two telescopically movable rails (60, 62; 144, 146, 148), and wherein a carriage (70, 128) for a working means is transversely movable on the rail guide (56; 142).
10. The device of one of claims 1 to 9, wherein, at the front side (21) of the base frame (20), a front wall (104) is mounted at the base frame for vertical adjustment, the front wall comprising a respective telescopically movable front wall element (108, 112) on both sides thereof.
11. The device of claim 10, wherein the front wall elements (108, 112) are articulately connected to the front wall (104), on the one hand, and are articulately and vertically adjustably connected to the longitudinal beam (8), on the other hand.
12. The device of one of claims 9 to 11, wherein the carriage (70; 128) comprises a plurality of rollers (66; 130) with a parallel arrangement of running grooves corresponding in number to the number of rails (60, 62; 144, 146, 148) so that at least one of the running grooves engages one of the rails (60, 62; 144, 146, 148).
13. The device of one of claims 9 to 12, wherein the carriage (70; 128) is movable on the rail guide (56; 142) through a traction rope (74; 132).
14. The device of one of claims 9 to 13, wherein, on both sides of the carriage (70; 128), each longitudinal beam (8) or the track assemblies (14) are provided with a rope drum (78, 136) with a rope drum drive (82, 140) with which to wind up the free end of the traction rope (74; 132), wherein only one rope drum drive (82; 140) can be driven at a time.
15. The device of one of claims 9 to 14, wherein a flexible hydraulic line (86) for the working means is connected to the carriage (70; 128) via a hose reel (90).
16. The device of one of claims 9 to 15, wherein the working means is a vertically adjustable distributor knife (94) provided on the front side (21) of the base frame (20).
17. The device of one of claims 9 to 15, wherein the working means is a longitudinal smoothing board (120) provided on the rear side of the base frame (20).
18. The device of claim 17, wherein the ends of the rails (144, 148) are connected to the track assemblies (14).
19. The device of claim 17 or 18, wherein the longitudinal smoothing board (120) is coupled to the base frame (20) through two connecting rods (124) that allow for a displacement of the longitudinal smoothing board (120) in the longitudinal direction, when the track width of the track assemblies (14) is changed.
20. The device of one of claims 1 to 19, wherein the base frame (20) is mounted with a transverse smoothing board (150) that is adaptable to the working width and consists of two board segments (154, 158) hingedly connected in the middle of the working width to form an adjustable roof profile.
21. The device of claim 20, wherein the board segments (154, 158) or extension boards (170) that can be connected to the board segments (154, 158) are provided with transverse slide rails (174) on which the longitudinal beams (8) can slide in the transverse direction so that the board segments (154, 158) can project laterally beyond the longitudinal beams (8).
22. The device of claim 21, wherein the board segments (154, 158) or their extension boards (170) are coupled to the longitudinal beams (8) for vertical adjustment.

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