EP0663478B1 - Kombination eines Baggers mit einer Rütteleinrichtung - Google Patents
Kombination eines Baggers mit einer Rütteleinrichtung Download PDFInfo
- Publication number
- EP0663478B1 EP0663478B1 EP94119853A EP94119853A EP0663478B1 EP 0663478 B1 EP0663478 B1 EP 0663478B1 EP 94119853 A EP94119853 A EP 94119853A EP 94119853 A EP94119853 A EP 94119853A EP 0663478 B1 EP0663478 B1 EP 0663478B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- road bed
- swivel
- finisher
- substructure
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000008569 process Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 17
- 239000003921 oil Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
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- 238000006073 displacement reaction Methods 0.000 description 2
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- 238000009826 distribution Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/963—Arrangements on backhoes for alternate use of different tools
- E02F3/964—Arrangements on backhoes for alternate use of different tools of several tools mounted on one machine
Definitions
- the present invention relates to a base course paver for applying a compressed, even base layer or the like on a surface comprising a paver screed and a metering slide upstream of the paver screed, and also relates to a method for producing a compressed, uniform base layer or the like on one Substrate using a base course paver.
- base course paver In modern road or track construction, it is known for the production of base layers, such as. B. hydraulic bound base layers (HGT layers), frost protection layers or sub-base layers, a base course paver too use how he z. B. from EP 0 335 339 A1 forming the preamble of claim 1 is.
- This base course paver includes a crawler track chassis and one on the front of the base course paver arranged vibrating board, which by a plurality of cylinder units in terms of their height and angular position of the base course paver is adjustable.
- the vibrating screed floating control i.e. their height position essentially by the generated by the material to be installed dynamic buoyancy is determined.
- the Vibrating screed is a movable in a lateral direction Distributor arm provided, which a rough distribution of the piled up and compressed in front of the base course paver Material.
- From DE-OS 20 64 180 is a combination of an excavator with a vibrator known. With this combination the vibrating device by one remaining on the superstructure of the excavator Section of the excavator arm applied to a sufficient Generate contact pressure against a surface. This however, causes the function of the excavator as such to be lost.
- DE-OS 28 00 31 shows a bulldozer in which one a front dozer blade arranged as a suspension for additional units, such as B, a hydraulic power pack or the like is used.
- the excavator arm already provided on the excavator can be used on the one hand used to make the paver screed from a Storage position, e.g. B. on a truck or on the edge the construction site, lift away and on the holding device to attach.
- the excavator arm with the am Excavator arm provided excavator bucket can be used the Z. B. brought about on a truck Lift material from the truck and pick it up the ground in front of the excavator and in front of the paver screed to distribute.
- the excavator itself has a very high weight (up to 25 t), it is ensured that the paver screed with a very high pressure on the to be shaken Material rests, so that a good coupling for transmission the vibrations generated by the paver screed from the paver screed to the material to be compacted is ensured.
- the paver screed can be part of a vibrating device , which has a mounting base with hook sections on the Holding device can be hooked. It is therefore possible that the excavator driver automatically and without additional help Vibration device with the excavator arm lifts off the ground and by hooking the hook sections onto the holding device on the excavator determines what time is required until a jogger to manufacture a base layer is provided is reduced.
- the first holding device one located on a front of the undercarriage Holding plate includes, and when on the vibrator a counter plate is provided which, when mounted Vibration device rests on the holding plate, whereby at least in the area of an upper edge of the counterplate a hook-like section is provided, which a Reaches over the top edge of the holding plate.
- the excavator driver thus needs when attaching the vibrator to the excavator the vibrator only with the help of the excavator arm so far towards the holding plate of the holding device move until the counter plate is in contact with the holding plate. Subsequent lowering of the vibrating device by means of of the excavator arm leads to the hooking of at least one hook-like section of the counterplate on the holding plate, whereby the vibrator is fixed on the excavator.
- the counter plate can additionally by a plurality of Screw connections are attached to the holding plate, so that a displacement caused by external forces the jogger relative to the excavator is prevented above.
- the vibrator with the counterplate by at least two in lateral Pairs arranged one above the other arranged swivel arms is connected, which in the area one of its ends is pivotally attached to the counterplate are and in the area of their other ends on the vibrating device are pivotally attached and a parallelogram provide for the vibrating device.
- the holding device comprises at least two from a front of the Undercarriage extending forward, laterally from each other spaced support plates and one each on the support plates articulated via swivel connections, in front of the Undercarriage and the chassis in a direction transverse to Undercarriage extending vibrator support which the vibrator, i.e. the paver screed is attachable. All for Articulation of the vibrator on the excavator required Elements are thus firmly connected to the excavator, so that a particularly stable articulation of the vibrating device on Excavators can be provided. Furthermore, for transportation just remove the vibrator itself from the excavator, so that the separate transport of the excavator and the Vibrating device is facilitated.
- each assigned to the support plates on the undercarriage to be extended vertically and towards the undercarriage Carrier plates
- the swivel connections one each on a lower section of the support plates and pivotable on a lower portion of the support plates attached lower swing arm include, and one an upper portion of the support plates and an upper one Section of the support plates pivotally attached upper Swivel arm, which is essentially parallel to the lower one Swivel arm is anodized and with this a parallelogram guide forms for the jogger carrier.
- the Parallelogram guidance of the jogger carrier and thus the paver screed ensures that when lifting or lowering the paver screed relative to Excavator and therefore not pivoted relative to the ground and therefore at all working heights with their total Work surface rests on the surface.
- each pivot connection also a first Cylinder unit includes, and that the first cylinder unit with one of its ends in the area of the articulation of the lower one Swivel arms on the support plate pivotally attached to this and with its other end on the upper swivel arm pivotable in the region of its articulation on the carrier plate is appropriate.
- the entire cylinder unit extends thus completely within the through the top and the lower pivot arm formed parallelogram, so that there are no components that are above the top Swivel arms or over the upper section of the support plates protrude.
- the rotating movement of one on the undercarriage arranged superstructure is thus by the holding device and does not affect the paver screed.
- the length of the jogger beam is transverse of the undercarriage less than or equal to the maximum Width of the undercarriage is ensured that none Components are present on the side of the undercarriage protrude so that a transport or moving the Carried out on public roads without any problems can be.
- the holding device can this on the side surfaces of the chassis frame the swivel devices attached to the chassis include which can be firmly coupled to the paver screed are. Coupling the paver screed to the excavator each on the side of the undercarriage, i.e. outside the crawler tracks, allows a large reduction in the of the Paver screed transmitted torque to the undercarriage, especially around an axis of rotation parallel to the direction of travel, whereby a particularly stable coupling of the Paver screed is provided with the excavator. Also results easy access to the swivel devices for assembly and disassembly as well as maintenance work.
- the swivel devices each hinged to the chassis frame with one of its ends, vertically spaced upper and lower swing arms comprises, which in the region of its other ends with the Paver screeds can be permanently coupled to provide each Parallelogram guides for the paver screed.
- the Parallelogram guidance of the paver screed ensures that the paver screed in every swivel position same angular position relative to the excavator and thus relative to Occupies underground.
- each of the swivel devices also has a first one Cylinder unit includes which with the upper or the lower swivel arm on the one hand and the chassis frame on the other hand to selectively raise and lower the Paver screed is coupled.
- the upper swing arm is in a transverse direction of the undercarriage is spaced further from the chassis frame than the lower swivel arm, and the first cylinder unit with the lower swivel arm is coupled, it is possible to To use cylinder unit, the overall length of which is sufficient Guaranteed stroke of the vibrator.
- the angular position of the vibrating device relative to the undercarriage and thus to be able to adjust relative to the ground, and thus perform various types of vibrations can, it is proposed that the upper and / or the lower swivel arm is adjustable in length Setting the angular position of the paver screed relatively to the undercarriage.
- the paver screed preferably comprises a vibrating screed with a vibrating plate and at least one vibrator; a first cylinder unit is also provided, by means of which the vertical Position of the vibrating screed adjustable relative to the excavator is. It is therefore not necessary to have one on the excavator To provide cylinder unit, which with mounted vibrator with this to adjust the vertical position the paver screed must be coupled.
- the paver screed thus represents an independent institution that can be quickly and easily mounted on the excavator and from Excavator can be dismantled and only minor structural changes required on the excavator.
- the vibrating plate with intermediate storage of rubber elastic Elements held on a frame of the vibrating plank is ensured that the by at least one Vibrators primarily generated vibrations on the Vibrating plate and not on the frame of the paver screed and transferred the excavator become, which makes the efficiency of the paver screed essential is improved.
- the metering slide in its vertical position relative to the paver screed is adjustable by a second cylinder unit, so that the one unloaded in front of the excavator or paver screed Material depending on the vertical position of the Metering slide gets dosed under the paver screed and a base layer with a uniform layer thickness and Density is generated.
- the hydraulic pump be a triple pump is, with a pump part for actuating the first and second cylinder units, a pump part for Serves the drive of at least one vibrator, and a pump part serves to drive the chassis. So it's through appropriate design of the drive pump part for low Pump power using the on the excavator anyway provided engine possible, one for driving the Vehicle with very low and constant speed to supply a suitable amount of pump oil. In addition, by the same hydraulic pump the cylinder units and the be operated at least one vibrator, so that too no additional units are required for this.
- the paver screed is preferably on a front of the undercarriage, it is suggested that Hydraulic line connections on the front of the superstructure to connect the hydraulic pump to the first and second cylinder unit and the at least one vibrator are provided, and that on the superstructure swivel angle limiting devices are provided to the swivel angle of the superstructure to a predetermined value.
- Hydraulic line connections on the front of the superstructure to connect the hydraulic pump to the first and second cylinder unit and the at least one vibrator are provided, and that on the superstructure swivel angle limiting devices are provided to the swivel angle of the superstructure to a predetermined value.
- a hydraulic pressure line bushing can be in a slewing ring of the excavator be provided for performing of hydraulic pressure lines from the hydraulic pump to the first and second cylinder units.
- the application possibility of the device is possible through the 360 ° swivel angle clearly increased.
- a diesel unit on the undercarriage and a hydraulic pump driven by the diesel engine for actuating the first and second cylinder units and to provide at least one vibrator. It will this also means independence from the superstructure of the excavator reached so that this in the full rotation range of 360 ° can work.
- a second holding plate is provided on which a support for the diesel engine and the Hydraulic pump with a counter plate and with a hook-like section an upper edge of the second suspension plate spreads. It is in turn possible that the Diesel unit to be attached to the undercarriage and the hydraulic pump to be attached to the excavator by means of the excavator arm and by to remove this again without additional auxiliary personnel is required, which in turn saves time and money is.
- the second holding plate can be fixed, it is ensured that the wearer is exposed to strong shocks or force does not come off the excavator from the outside.
- the landing gear a crawler track chassis with two on each side of the Undercarriage provided caterpillar tracks.
- FIG. 1 shows an excavator, generally designated 10, which comprises an uppercarriage 12 and an undercarriage 14.
- the superstructure 12 is in itself on the undercarriage 14 known manner, e.g. B. by means of a slewing ring, rotatable stored.
- Arm sections 18 and 20 are by cylinder units known per se (here only one shown) movable.
- the second arm section 20 has a rotating device 26, by means of which the part 28 of the second arm section connected to the blade 24 20 about a longitudinal axis of the second arm section 20 with respect to that pivotally held on the first arm section 18 Part 30 is rotatable through 360 °. Since the scoop 24 at the end 22 of the second arm section 20 in turn in a known manner about an essentially horizontal axis is pivotally held, the blade 24 through the Excavator drivers practically in any working position to be brought.
- Crawler chains 32 are provided which the undercarriage 31 of the Form excavators, and which by a (not shown) Engine of the excavator, which is arranged in the superstructure 12, are driven.
- the excavator 10 a vibrator 34 attached.
- a front side 36 of the undercarriage 14 by means of a
- This extending support plate 38 has a holding plate 40 attached.
- the holding plate 40 extends essentially parallel to the front 36 of the undercarriage via essentially the entire width of the undercarriage between the crawler tracks 32.
- a counter plate 42 of the vibrating device 34 has in an upper end region 46 (see FIG. 3) a hook-shaped section 44, which is in the essentially over the entire width of the counterplate 42 extends. With the hook-shaped section 44 Mating plate 42 over an upper edge 48 of the holding plate 40 hanged so that the vibrator through the holding plate 40 is carried on the undercarriage 14 of the excavator 10.
- the holding plate 40 and the counter plate 42 can additionally by screw connections 50, e.g. B. bolts together which are connected both in the holding plate 40 as well as openings formed in the counter plate 42 push through. An unwanted loosening of the vibrating device 34 from the excavator 10, e.g. B. by lifting the vibrator 34, can thus be prevented.
- screw connections 50 e.g. B. bolts together which are connected both in the holding plate 40 as well as openings formed in the counter plate 42 push through.
- the vibrating device shown in more detail in FIG. 3 34 comprises a vibrating screed or paver screed known per se 52.
- On a frame section 54 of the vibrating plank 52 are laterally spaced from each other pairs of Support arms 56 and 58 one above the other to be substantially horizontal running axes with their first ends 64.65 pivotally fixed.
- the two arms 56 and 58 with their second ends 72, 73 are on the counter plate 42 respective carriers 60 and 62 also substantially horizontally extending axes held pivotable.
- one of the laterally spaced upper and / or lower Arms 56,58 substantially A-shaped and has one from the end portion 64 of the support arm 56 with which the support arm 56 is pivotally attached to the vibrating plank is to be extended transversely towards the support structure lateral support arm 66.
- the side support arm 66 is with its free end 68 on a support 70 on the Counter plate 42 also about a substantially horizontal Axis pivotally fixed. Between the two on of the counter plate 42 are defined end portions 68 and 72 the side support arm 66 and the support arm 56 is a essentially transverse to the longitudinal direction of the excavator extending stabilizer 74 is provided, which both on lateral support arm 66 and welded to the support arm 56 is.
- a Structure 76 is provided, the 78 in the region of its upper end carries a first cylinder unit 80.
- the first cylinder unit 80 is at its lower end 82 on the frame section 54 the vibrating plank 52 is pivotally fixed, so that by a Actuation of the cylinder unit 80, i.e. by pulling in or extending the piston rod 84, the vibrating plank 52 in can be raised and lowered substantially vertically.
- the structure 76 comprises two arms 86 and 88, respectively existing, essentially rectangular support parts 89, which with an end portion 90 of arm 88 at the top Edge section 46 of the counter plate 42 is fixed.
- a opposite end portion 92 of arm 88 is through one extending substantially obliquely downwards Support arm 94 with a lower edge portion 96 of the counter plate 42 firmly connected and thus supports the structure 76 the counter plate 42.
- Support arm 98 between end portion 90 of arm 88 and the upper end 78 of the arm 86 and thus serves additionally to stabilize the structure 76, since this at Raised screed 52 essentially the entire Weight of the vibrating board 52 carries, and in the lowered state the vibrating screed goes through essentially the whole the weight load of the excavator on the vibrating screed transfers transferred pressure.
- Structures 76 are connected by a connecting element 77 firmly connected.
- the connecting element 77 is each fixed to the upper ends 78 of the arms 86.
- the known vibrating screed includes a cross to Main frame extending longitudinal direction of the excavator, which essentially formed from two carrier parts 102 is that by a plurality of itself transverse to the support parts extending and on these z. B. by welding attached cross plates 105 are interconnected (s. Fig. 4).
- the frame section 54 On the support part close to the counter plate 42 102, the frame section 54 is fixed, with which the two upper and lower arms 56 and 58, respectively are pivotally connected.
- About rubber-elastic damping elements 104 is a vibrating plate on the carrier parts 102 106 held.
- the vibrating plank 52 is located in the direction of manufacture in front of the vibrating plank 52 extending metering slide 110 provided.
- the metering slide 110 extends essentially over the entire width of the vibrating beam 52 and is on this with a plurality of laterally from each other spaced arms 112 substantially one horizontal axis pivotally fixed.
- the metering slide 110 is in its by means of a second cylinder unit 114 Height adjustable in relation to the vibrating plank 52. in the Operation of the vibrating screed 52 can thus be adjusted by Elevation of the metering slide 110 each a desired Amount of material to be installed under the vibrating plate 106 brought so that by appropriate adjustment of the The height of the metering slide is essentially flat Impact can be made with the desired thickness.
- Vibrator 108 is also a diesel unit 116 on the undercarriage arranged (see Fig. 2 and 4).
- the diesel engine 116 can be formed integrally with a hydraulic pump 117, which is for actuating the first and second hydraulic units 80 and 114 and the vibrator 108 required supplies pressurized working fluid.
- This unit 116 with the hydraulic pump 117 can in a manner Undercarriage 14 may be attached, which is the attachment of the Vibration device 34 on the undercarriage corresponds.
- a carrier 125 for the Diesel unit 116 and the hydraulic pump 117 comprises an im substantially horizontally arranged bottom part 124 which is the diesel unit 116 and the hydraulic pump 117 e.g. B. are determined by bolts, and one in essentially vertically arranged counter plate 126.
- the Counter plate 126 are two at a lateral distance from one another Plate parts 128 are provided, which are essentially in Extend height direction of the counter plate 126 and at their upper ends each have hook-like sections 130.
- the sections 130 overlap an upper edge of the counterplate 122, so that the carrier is hung on the holding plate 122 is.
- the plate parts 130 are both on the counter plate 126 and on the bottom part 124 z. B. by welding fixed and thus increase the stability or rigidity of the carrier 125 for the diesel unit 116 and the Hydraulic pump 117.
- the counter plate 126 is again through a plurality of screw connections 132 to the holding plate 122 firmly connected, so that an unwanted loosening of the Carrier from the holding plate 122 is not possible.
- the connecting lines (not shown) for feeding the pressurized hydraulic oil to the first and second Cylinder units 80,114 and to the vibrators 108 are passed along the bottom of the undercarriage 114 to a mutual interference with the superstructure 12 when turning the To avoid superstructure 12.
- the superstructure of the excavator to provide a power take-off shaft provided for the excavator engine, through which a hydraulic pump for actuating the first and second cylinder units and the vibrator is connected. Because when driving the excavator undercarriage a forward movement of the excavator with the excavator motor very low speeds, i.e. in the range from 1 to 3 m / min.
- one Hydraulic line connection to the vibrating device provided must be, it is necessary to use swivel angle limiting devices to attach for the uppercarriage because the line connections the maximum rotation range of the Upper carriage on the undercarriage is restricted.
- the Swivel angle limiting devices set to values, the swiveling of the uppercarriage only in one allow allowable angular range.
- the structure of the vibrating device 76 34 tabs 79 attached, which for coupling the Serve vibrator 34 with the excavator arm. So it is possible that the excavator driver without further help the vibrator 34 z. B. takes off from a truck and attaches to the excavator 10. For this purpose you can use the excavator arm 16 or attached to the excavator bucket 24 steel hawser are, which are then each hung in the tabs 79 be so that the vibrator 34 by the excavator arm can be raised. Since two laterally spaced tabs 79 provided for attaching steel cables is a lateral tilting of the vibrating device 34 not possible.
- the excavator driver needs the excavator 10 by means of the steel cables vibrator coupled to the excavator arm 16 to conduct only in a position in which the Counter plate 42 abuts on the holding plate 40 and through subsequent lowering of the excavator arm 16 and thus the Vibrating device 34 is the vibrating device 34 with the hook-like section 44 of the counter plate 42 on the holding plate 40 hung.
- To the jogger in a correct lateral Position on the excavator can on the counter plate and / or guide means known per se on the holding plate (not shown) can be provided, which when lowering the jogging device the counter plate, and thus the entire Vibrating device, in a correct lateral position bring with respect to the holding plate.
- the holding device 152 comprises each in pairs in a front section 154 of the 150 arranged support plates 156,158, wherein two pairs of such support plates 156, 158, 156 ', 158' on Undercarriage 150 is laterally spaced apart are, as can be seen in Fig. 6.
- the couples of support plates 156, 158, 156 ', 158' each on the undercarriage 150 attached so that they are as close as possible to each Crawler track 160,162 lie to one if possible stable mounting of the vibrating device on the undercarriage 150 to ensure.
- the support plates 156, 158, 156 ', 158' are, as in FIG. 5, too can be seen on the undercarriage 150, z. B. by welding or The like., Attached such that they with the undercarriage 150 extended sections 164,166 and thus a largest possible coupling area between support plates 156, 156 'and 158, 158' and undercarriage 150 form.
- an upper section 168 of the respective pairs of Carrier plates 156, 158, 156 ', 158' are each an upper one Swivel arm 170 around a substantially transverse to the undercarriage 150 extending pivot axis pivotally mounted.
- a front end 176 of the upper swing arms 170 is in each case on a carrier plate 178, 178 'by a Bolt 182 also in the transverse direction of the Under carriage 150 extending axis pivotally mounted.
- each pair of Carrier plates 156, 158, 156 ', 158' are each by a Bolt 186 a lower swivel arm 188 around a cross Undercarriage 150 axis pivotally mounted.
- each one is also lower swivel arms 188 from two arm plates (in the Fig. not recognizable individually) and is in the range of one front end 190 on the respective carrier plate 178, 178 ' on a lower section 194 of the same pivotally mounted.
- a cylinder unit 196 which in each pair of support plates 156, 158, 156 ', 158' is provided with a their ends also on the bolt 186 on which the lower arms 188 on the support plates 156, 158, 156 ', 158' are pivoted, pivoted, and is with its other end in the area of the front end 176 of the respective upper swing arm 170 by a bolt 198 pivotally attached.
- the vibrator carrier 180 extends in front of the Crawler tracks 160, 162 across to undercarriage 150. In the area from outer ends 200, 202 are on the vibrator carrier 180 pairs of suspension brackets 204, 206 each or 208,210 attached to which the vibrator by respective counter-tabs 212 (see FIG. 5) and bolts 214 is attachable.
- Fig. 5 is only one of the vibrating device Carrier part 216 shown, on each of which in one Corresponding pairs of tabs 204, 206 and 208, 210, respectively Section a tab carrier 218, e.g. B. by screwing or the like. is attached.
- the rest of the jogger is not in Fig. 5 for the sake of clarity of the drawing shown, but the vibrator corresponds to essentially that described with reference to FIGS. 1-4 Vibrating device.
- the attachment of the bracket 218 by screws or The like. on the carrier part 216 has the advantage that when changing the length of the vibrating device across the undercarriage 150, e.g. B. by inserting intermediate elements, the link bracket 218 again in one of the pairs of Tabs 204, 206 and 208, 210 corresponding position at the Vibrating device can be attached.
- the holding device 152 has the advantage that none protruding beyond the upper edge of the undercarriage 150 Components are available.
- the movement or Freedom of rotation of an uppercarriage arranged on the undercarriage not restricted, and the superstructure can e.g. B. um Can be swiveled 180 ° backwards so that with the excavator also carried out work in the area behind the excavator can be.
- the bearing points of the Vibration device carrier on the undercarriage as far as possible are shifted outside, i.e.
- the Bearing points of the vibrating device on the vibrating device carrier 180 are as far out as possible, i.e. in the area of the outer ends 200, 202 of the vibrator support 180, is a stable holder for the vibrator ensured on the undercarriage 150.
- the of the Vibrating device transferred to the undercarriage 150 and the individual bearing points are torques kept as low as possible.
- FIGS. 7 and 8 a third will follow preferred embodiment of the holding device of the present Invention described.
- 7 is a plan view on a front section of a right crawler track chassis 240 shown, an upper part of the Caterpillar chain 242 has partially broken away.
- the crawler track chassis 240 runs on a chassis frame 244, which is firmly connected to the undercarriage of the excavator.
- At a outer side surface 246 of the chassis frame 244 is one Reinforcing plate 248 e.g. B. firmly attached by welding.
- On the reinforcement plate 248 is by a plurality A mounting plate 252 can be removed again from the bolt 250 fixed.
- a upper swing arm 254 and a lower swing arm 256 each in the area of their first ends 258,260 by a essentially horizontal axis extending transversely to the undercarriage pivoted.
- a mounting base 262 for the upper swivel arm and a mounting base 264 for the lower swing arm appropriate.
- a bolt 278 for the lower one Swivel arm and a bolt 280 for the upper swivel arm penetrates openings in the mounting plates 274 in each case or 276 and the lower swivel arm 256 or the upper Swivel arm 254 and thus provides a swivel connection between the swivel arms 254,256 and the vibrating device (not shown as a whole).
- connection of the connecting plate 272 to the carrier part 270 is, as in the embodiment of FIG. 5, respectively by means of angle elements 282 fixed on the carrier part 270 educated. Screw bolts penetrate 284 openings in the angle elements 282 and the connecting plate 272 and thus place the carrier part 270 on the connecting plate 272 firmly.
- a cylinder unit is also on the mounting plate 252 286 via a cylinder carrier 288 with one of its parts, e.g. B. the cylinder part, pivotally mounted. With a other part, e.g. B. a piston rod part 290, is the Cylinder unit 286 with the lower swivel arm 256 swivel connected.
- the upper swivel arm 254 in the side Direction further from the mounting plate 252 and thus from Landing gear frame 244 spaced as the lower swing arm 256. Therefore, between the upper swing arm 254 and the Mounting plate 252 sufficient space for arranging the cylinder unit 286 provided.
- the cylinder unit 286 is e.g. B. a hydraulic cylinder unit to raise and lower the by the swivel arms 254,256 and the connecting plate 272 provided parallelogram guide for the vibrating device. It is advantageous if, as shown in FIGS. 7 and 8, the Cylinder unit 286 in the area of a middle section 257 of the lower swivel arm 256 engages them. Consequently it is on the one hand ensured that the lifting of the Vibration device provided by the lower swivel arm 256 Leverage with load from the vibrator the force applied by cylinder unit 286 is not exceeds, and on the other hand that by the cylinder unit 286 intended lifting path through the total length of the lower swivel arm 256 is increased accordingly.
- the Cylinder unit 286 can have a correspondingly short overall length have so that they are not too far over the crawler 240 protrudes upwards and the pivoting movement of an uppercarriage mounted on the undercarriage.
- the upper swivel arm 254 in one of its end regions by Known screw elements are adjustable in length, so that when the vibrator is mounted on the excavator Angular position of the vibrating device adjustable relative to the excavator is.
- the vibrating device not shown in FIGS. 7 and 8 corresponds in structure to that with reference to the vibrating device described in FIGS. 1-4. Also those not shown in these figures or with reference to these figures not described supply of the cylinder unit 286 with hydraulic fluid essentially corresponds the supply of the cylinder units shown in FIGS. 1-4 for raising and lowering the vibrating device.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Road Paving Machines (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Description
- Fig. 1
- eine Seitenansicht des erfindungsgemäßen Tragschichtfertigers als Kombination eines Baggers mit einer Rütteleinrichtung;
- Fig. 2
- eine schematische Schnittansicht der Kombination entlang einer Linie II-II in Fig. 4;
- Fig. 3
- eine Schnittansicht der Rütteleinrichtung entlang einer Linie III-III in Fig. 4;
- Fig. 4
- eine Draufsicht auf die Kombination eines Baggers mit einer Rütteleinrichtung.
- Fig. 5
- eine der Fig. 2 entsprechende schematische Schnittansicht, wobei eine zweite Ausführungsform der Halteeinrichtung für die Rütteleinrichtung dargestellt ist;
- Fig. 6
- eine Ansicht des Unterwagens und der Halteeinrichtung der Fig. 5 von vorne;
- Fig. 7
- eine Draufsicht auf eine dritte bevorzugte Ausführungsform der ersten Halteeinrichtung; und
- Fig. 8
- eine Seitenansicht der ersten Halteinrichtung der dritten bevorzugten Ausführungsform.
Claims (32)
- Tragschichtfertiger zum Auftragen einer komprimierten, gleichmäßigen Tragschicht oder dergleichen auf einen Untergrund, umfassend eine Fertigerbohle (52) und einen der Fertigerbohle (52) vorgelagerten Dosierschieber,
dadurch gekennzeichnet,
daß der Tragschichtfertiger eine Kombination eines Baggers (10) mit einem Zusatzgerät (34) umfaßt, wobei der Bagger (10) einen Unterwagen (14; 150) mit einem Fahrwerk (31) und einen auf dem Unterwagen (14; 1 50) drehbar angeordneten Oberwagen (12) mit Baggerarm (16) umfaßt und wobei am Unterwagen eine erste Halteeinrichtung (38, 40; 152; 239) vorgesehen ist, an welcher das Zusatzgerät (35) wahlweise anbringbar und von dieser entfernbar ist, wobei zum Auftragen der komprimierten, gleichmäßigen Tragschicht oder dergleichen auf den Untergrund eine Baggerschaufel (24) am Baggerarm (16) angeordnet ist und wobei das Zusatzgerät (34) die Fertigerbohle (52) sowie den Dosierschieber (110) in derartiger Anordnung umfaßt, daß ein dem Dosierschieber (110) vorgelagerter Materialaufgabebereich im Arbeitsbereich der Baggerschaufel (24) liegt. - Tragschichtfertiger nach Anspruch 1, gekennzeichnet durch eine die Fertigerbohle (52) umfassende Rütteleinrichcung (34) mit einer Montagebasis (42) die mit Hakenabschnitten (44) an der Halteeinrichtung (38,40) einhängbar ist.
- Tragschichtfertiger nach Anspruch 2, dadurch gekennzeichnet, daß die erste Halteeinrichtung (38,40) eine an einer Vorderseite (36) des Unterwagens angeordnete Halteplatte (40) umfaßt, und daß an der Rütteleinrichtung (34) eine Gegenplatte (42) vorgesehen ist, welche bei montierter Rütteleinrichtung (34) an der Halteplatte (40) anliegt, und daß im Bereich einer oberen Kante (46) der Gegenplatte (42) wenigstens ein hakenartiger Abschnitt (44) vorgesehen ist, welcher eine Oberkante (48) der Halteplatte übergreift.
- Tragschichtfertiger nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Gegenplatte (42) durch eine Mehrzahl von Schraubverbindungen (50) an der Halteplatte (40) festlegbar ist.
- Tragschichfertiger nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Rütteleinrichtung (34) mit der Gegenplatte (42) durch wenigstens zwei in seitlichem Abstand zu einander angeordnete Paare übereinander angeordneter Schwenkarme (56,58) verbunden ist, welche im Bereich einer ihrer Enden (72,73) an der Gegenplatte (42) schwenkbar angebracht sind und im Bereich ihrer anderen Enden (64,65) an der Rütteleinrichtung (34) schwenkbar angebracht sind und eine Parallelogrammführung für die Rütteleinrichtung (34) vorsehen.
- Tragschichfertiger nach Anspruch 1, dadurch gekennzeichnet,
daß die erste Halteeinrichtung umfaßt:wenigstens zwei sich von einer Vorderseite des Unterwagens (150) nach vorne erstreckende, seitlich voneinander beabstandete Trageplatten (156, 156', 158, 158')einen jeweils an den Trageplatten (156, 156', 158, 158') über Schwenkverbindungen angelenkten, sich vor dem Unterwagen (150) und dem Fahrwerk (150,162) in einer Richtung quer zum Unterwagen (150) erstreckenden Rütteleinrichtungsträger (180), an welchem die Fertigerbohle wahlweise anbringbar ist. - Tragschichfertiger nach Anspruch 6, dadurch gekennzeichnet, daß am Rütteleinrichtungsträger (180) jeweils den Trageplatten (156,158,156',158') am Unterwagen (150) zugeordnete, sich vertikal und in Richtung auf den Unterwagen (150) zu erstreckende Trägerplatten (178, 178') vorgesehen sind, und daß die Schwenkverbindungen jeweils einen unteren an einem unteren Abschnitt (184) der Trageplatten (156;156',158,158') und an einem unteren Abschnitt (194) der Trägerplatten (178) schwenkbar angebrachten unteren Schwenkarm (188) umfassen, sowie einen an einem oberen Abschnitt (168) der Trageplatten (156) und an einem oberen Abschnitt der Trägerplatten (178) schwenkbar angebrachten oberen Schwenkarm (170), welcher im wesentlichen parallel zum unteren Schwenkarm (188) angeordnet ist und mit diesem eine Parallelogrammführung für den Rütteleinrichtungsträger (180) bildet.
- Tragschichtfertiger nach Anspruch 7, dadurch gekennzeichnet, daß jede Schwenkverbindung ferner eine erste Zylindereinheit (196) umfaßt, und daß die erste Zylindereinheit (196) mit einem ihrer Enden im Bereich der Anlenkung des unteren Schwenkarms (188) an der Trageplatte (156) an dieser schwenkbar angebracht ist und mit ihrem anderen Ende am oberen Schwenkarm (170) im Bereich dessen Anlenkung an der Trägerplatte (178) schwenkbar angebracht ist.
- Tragschichtfertiger nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß die Länge des Rütteleinrichtungsträgers (180) in Querrichtung des Unterwagens (150) kleiner oder gleich der maximalen Breite des Unterwagens (150) ist.
- Tragschichtfertiger nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet,
daß im Bereich von in Querrichtung des Unterwagens (150) äußeren Enden (200,202) des Rützeleinrichtungsträgers (180) Kopplungselemente (204,206,208,210) zum festen Koppeln des Rütteleinrichtungsträgers (180) mit der Fertigerbohle vorgesehen sind. - Tragschichtfertiger nach Anspruch 1, dadurch gekennzeichnet, daß die erste Halteeinrichtung jeweils an vom Unterwagen (150) abgewandten Seitenflächen (246) von Fahrwerkrahmen (244) des Fahrwerks angebrachte Schwenkeinrichtungen umfaßt, welche mit der Fertigerbohle wahlweise fest koppelbar sind.
- Tragschichtfertiger nach Anspruch 11, dadurch gekennzeichnet, daß die Schwenkeinrichtungen jeweils am Fahrwerkrahmen (244) mit einem ihrer Enden angelenkte, vertikal voneinander beabstandete obere (254) und untere (256) Schwenkarme (254, 256) umfaßt, welche im Bereich ihrer anderen Enden mit der Fertigerbohle wahlweise fest koppelbar sind zum Vorsehen jeweiliger Parallelogrammführungen für die Fertigerbohle.
- Tragschichtfertiger nach Anspruch 12, dadurch gekennzeichnet, daß jede der Schwenkeinrichtungen ferner jeweils eine erste Zylindereinheit (286) umfaßt, welche mit dem oberen oder dem unteren Schwenkarm (254,256) einerseits und dem Fahrwerkrahmen (244) andererseits zum wahlweisen Anheben und Absenken der Fertigerbohle gekoppelt ist.
- Tragschichtfertiger nach Anspruch 13, dadurch gekennzeichnet, daß der obere Schwenkarm (254) in einer Querrichtung des Unterwagens weiter vom Fahrwerkrahmen (244) beabstandet ist, als der untere Schwenkarm (256), und daß die erste Zylindereinheit (286) mit dem unteren Schwenkarm (256) gekoppelt ist.
- Tragschichtfertiger nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß die Zylindereinheit (286) am oberen oder unteren Schwenkarm (254,256) in einem mittleren Abschnitt (257) desselben angreift.
- Tragschichtfertiger nach Anspruch 13,14 oder 15, dadurch gekennzeichnet, daß der obere und der untere Schwenkarm (254,256) jeder Schwenkeinrichtung sowie die dazugehörige erste Zylindereinheit (286) jeweils an einer am Fahrwerkrahmen (244) anbringbaren Montageplatte (252) schwenkbar gelagert sind.
- Tragschichtfertiger nach einem der Ansprüche 15 bis 16, dadurch gekennzeichnet, daß der obere und/oder der untere Schwenkarm (254,256) in seiner Länge einstellbar ist zur Einstellung der Winkellage der Fertigerbohle relativ zum Unterwagen.
- Tragschichtfertiger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Fertigerbohle (52) eine Rüttelbohle (52) mit einer Rüttelplatte (106) und wenigstens einem Rüttler (108) umfaßt, und daß eine erste Zylindereinheit (80) vorgesehen ist, mittels welcher die vertikale Stellung der Rüttelbohle (52) relativ zum Bagger (10) einstellbar ist.
- Tragschichtfertiger nach Anspruch 18, dadurch gekennzeichnet, daß die Rüttelplatte (106) unter Zwischenlagerung von gummielastischen Elementen (104) an einem Rahmen (102) der Rüttelbohle (52) gehalten ist.
- Tragschichtfertiger nach Anspruch 18 oder 19, dadurch gekennzeichnet, daß der Dosierschieber (110) in seiner vertikalen Stellung relativ zur Fertigerbohle (52) durch eine zweite Zylindereinheit (114) einstellbar ist.
- Tragschichtfertiger nach Anspruch 20, dadurch gekennzeichnet, daß die ersten und zweiten Zylindereinheiten (80,114) sowie der wenigstens eine Rüttier (108) hydraulisch betätigbar sind.
- Tragschichtfertiger nach Anspruch 21, dadurch gekennzeichnet, daß an einem am Oberwagen des Baggers angeordneten Baggermotor eine Nebenantriebsweile vorgesehen ist, und daß durch die Nebenantriebswelle eine am Oberwagen vorgesehene Hydraulikpumpe zur hydraulischen Betätigung der ersten und zweiten Zylindereinheiten und des wenigstens einen Rüttlers (108) antreibbar ist.
- Tragschichtfertiger nach Anspruch 22, dadurch gekennzeichnet, daß die Hydraulikpumpe eine Dreifachpumpe ist, wobei ein Pumpenteil zur Betätigung der ersten und zweiten Zylindereinheiten dient, ein Pumpenteil zum Antrieb des wenigstens einen Rüttlers dient, und ein Pumpenteil zum Antrieb des Fahrwerks dient.
- Tragschichtfertiger nach Anspruch 22 oder 23, dadurch gekennzeichnet,
daß an einer Vorderseite des Oberwagens Hydraulikleitungsanschlüsse zur verbindung der Hydraulikpumpe mit der ersten und zweiten Zylindereinheit und dem wenigstens einen Rüttler vorgesehen sind, und daß am Oberwagen Schwenkwinkelbegrenzungseinrichtungen vorgesehen sind, um den Schwenkwinkel des Oberwagens auf einen vorbestimmten Wert einzuschränken. - Tragschichtfertiger nach Anspruch 22 oder 23, dadurch gekennzeichnet, daß in einem Drehkranz des Baggers eine Hydraulikdruckleitungsdurchführung vorgesehen ist zum Durchführen von Hydraulikdruckleitungen von der Hydraulikpumpe zu den ersten und zweiten Zylindereinheiten.
- Tragschichtfertiger nach Anspruch 21, dadurch gekennzeichnet, daß am Unterwagen (14) ein Dieselaggregat (116) und eine durch das Dieselaggregat (116) angetriebene Hydraulikpumpe (117) zur Betätigung der ersten und zweiten Zylindereinheiten (80,114) und des wenigstens einen Rüttlers (108) vorgesehen sind.
- Tragschichtfertiger nach Anspruch 22, dadurch gekennzeichnet, daß an einer Hinterseite (118) des Unterwagens (14) eine zweite Halteplatte (122) vorgesehen ist, an welcher ein Träger (125) für das Dieselaggregat (116) und die Hydraulikpumpe (117) mit einer Gegenplatte (126) anliegt und mit einem hakenartigen Abschnitt (130) eine Oberkante der zweiten Aufhängeplatte (122) übergreift ist.
- Tragschichtfertiger nach Anspruch 27, dadurch gekennzeichnet, daß der Träger (125) durch wenigstens eine Schraubverbindung (132) an der zweiten Halteplatte (122) festlegbar ist.
- Tragschichtfertiger nach Anspruch 27 oder 28, dadurch gekennzeichnet, daß die Hydraulikleitungen von der Hydraulikpumpe zur ersten und zweiten Zylindereinheit (80,114) und zum Rüttler (108) jeweils entlang der Unterseite des Unterwagens (14) geführt sind.
- Tragschichtfertiger nach einem der Ansprüche 2-29, dadurch gekennzeichnet, daß die Rütteleinrichtung (34) mit Kopplungselementen (79) zur wahlweisen Kopplung mit dem Baggerarm (16) versehen ist.
- Tragschichtfertiger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Fahrwerk (31) ein Raupenkettenfahrwerk (32; 160,162;242) mit zwei jeweils an den Seiten des Unterwagens (14;150) vorgesehenen Raupenketten umfaßt.
- Verfahren zur Fertigung einer komprimierten, gleichmäßigen Tragschicht oder dergleichen auf einem Untergrund vermittels eines Tragschichtfertigers, umfassend einen Bagger (10), welcher mit einem Unterwagen (14; 150) mit Fahrwerk (31) und einem am Unterwagen (14; 140) drehbar gelagerten Oberwagen (12) mit Baggerarm (16) und Baggerschaufel (24) ausgebildet ist und welcher zusätzlich mit einer am Unterwagen (14; 150) angebrachten Fertigerbohle (52) und einem der Fertigerbohle (52) vorgelagerten Dosierschieber (110) versehen ist, umfassend die Schritte:a) Abladen von Tragschichtmaterial in einem Materialaufgabebereich vor dem Dosierschieber,b) Verteilen des Tragschichtmaterials vor dem Dosierschieber (110) mit Hilfe der Baggerschaufel (24),c) Dosieren des Materials mit Hilfe des Dosierschiebers (110) und Verdichten des Materials durch die Fertigerbohle (52) während einer Vorwärtsbewegung des Baggers (10) in Richtung auf das abgeladene und verteilte Tragschichtmaterial.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9400760U DE9400760U1 (de) | 1994-01-18 | 1994-01-18 | Kombination eines Baggers mit einer Rütteleinrichtung |
DE9400760U | 1994-01-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0663478A1 EP0663478A1 (de) | 1995-07-19 |
EP0663478B1 true EP0663478B1 (de) | 1999-04-28 |
Family
ID=6903342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94119853A Expired - Lifetime EP0663478B1 (de) | 1994-01-18 | 1994-12-15 | Kombination eines Baggers mit einer Rütteleinrichtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0663478B1 (de) |
DE (2) | DE9400760U1 (de) |
HK (1) | HK1009706A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29500811U1 (de) * | 1995-01-19 | 1995-03-02 | Humme, Thomas, 52385 Nideggen | Erdverdichter |
DE10105480A1 (de) * | 2001-02-07 | 2002-08-08 | Franz Schauer | Erdreich- und/oder Schüttgutverdichtungsvorrichtung |
DE102010001838A1 (de) | 2010-02-11 | 2011-08-11 | Ellinger, Ludwig, 94116 | Bagger/Arbeits-Gerät mit entfernbarem Zusatz-Arbeitsgerät |
CN102425150B (zh) * | 2011-08-24 | 2014-10-08 | 徐工集团工程机械股份有限公司 | 一种强夯机平衡吊钩及具有该吊钩的平衡吊钩机构 |
US10815645B2 (en) | 2018-10-19 | 2020-10-27 | Deere & Company | Motor grader protection of wire harnesses |
CN112854179A (zh) * | 2020-12-31 | 2021-05-28 | 安徽东冶地质勘查技术有限公司 | 一种公路软基的施工方法 |
CN113174923B (zh) * | 2021-04-01 | 2023-03-14 | 机械工业第九设计研究院股份有限公司 | 一种土木工程施工的地基夯实装置及其使用方法 |
CN114582194B (zh) * | 2022-03-18 | 2023-06-23 | 中国人民解放军陆军装甲兵学院 | 一种改进型的电液系统训练平台 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2064180A1 (de) * | 1970-12-29 | 1972-07-13 | Sogl, Rupert, 6831 Plankstadt | Hydraulisch betätigbarer Allzweckbagger |
FR2395412A1 (fr) * | 1977-06-23 | 1979-01-19 | Poclain Sa | Dispositif d'arret automatique de la rotation d'un moteur hydraulique |
US4264286A (en) * | 1977-12-27 | 1981-04-28 | Geosource, Inc. | Multiple fluid pump |
DE2800031A1 (de) * | 1978-01-02 | 1979-07-12 | Gmeinder & Co Gmbh | Raupenfahrzeug |
DE3810891A1 (de) * | 1988-03-30 | 1989-10-19 | Heilit & Woerner Bau Ag | Tragschichtfertiger |
JP3195989B2 (ja) * | 1990-12-31 | 2001-08-06 | 帝人製機株式会社 | クローラ車両走行油圧回路 |
-
1994
- 1994-01-18 DE DE9400760U patent/DE9400760U1/de not_active Expired - Lifetime
- 1994-12-15 EP EP94119853A patent/EP0663478B1/de not_active Expired - Lifetime
- 1994-12-15 DE DE59408175T patent/DE59408175D1/de not_active Expired - Lifetime
-
1998
- 1998-09-07 HK HK98110491A patent/HK1009706A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1009706A1 (en) | 1999-06-04 |
EP0663478A1 (de) | 1995-07-19 |
DE59408175D1 (de) | 1999-06-02 |
DE9400760U1 (de) | 1994-03-31 |
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