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EP0169248A1 - Equipement interchangeable combiné de fraisage et de coupe, joint pour excavateurs, chargeurs, pelles chargeuses, rouleaux compresseurs et tracteurs - Google Patents

Equipement interchangeable combiné de fraisage et de coupe, joint pour excavateurs, chargeurs, pelles chargeuses, rouleaux compresseurs et tracteurs Download PDF

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Publication number
EP0169248A1
EP0169248A1 EP84106482A EP84106482A EP0169248A1 EP 0169248 A1 EP0169248 A1 EP 0169248A1 EP 84106482 A EP84106482 A EP 84106482A EP 84106482 A EP84106482 A EP 84106482A EP 0169248 A1 EP0169248 A1 EP 0169248A1
Authority
EP
European Patent Office
Prior art keywords
attachment
milling
attached
drive shaft
carrier
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.)
Withdrawn
Application number
EP84106482A
Other languages
German (de)
English (en)
Inventor
Alfred Dr. Hackmack
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP84106482A priority Critical patent/EP0169248A1/fr
Priority to JP27216284A priority patent/JPS60261810A/ja
Publication of EP0169248A1 publication Critical patent/EP0169248A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
    • E01C23/0906—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
    • E01C23/0926—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
    • E01C23/0933—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/26—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles
    • E01C19/264—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles with attachments for work other than rolling, e.g. grading, scarifying
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088—Rotary tools, e.g. milling drums

Definitions

  • the invention relates to a number of additions, improvements, additional mounting devices and amidein - devices for the above-mentioned attachment.
  • a patent has been filed for this attachment for attachment to hydraulic excavators, backhoe loaders and front loaders.
  • the carrier devices mentioned above are not even available in the company.
  • devices are available on the construction sites of these companies, such as rollers, graders, tractors or other devices that can be used as a carrier device for the attachment.
  • the invention relates on the one hand to the combination between these carrier devices and the attachment, so that, for example, the attachment that is attached to a roller becomes a roller attachment and a roller to which the attachment is attached becomes a combined compaction road milling and joint cutting device.
  • the invention relates to the various attachment devices that make the attachment of the attachment to the carrier device possible in the first place.
  • An embodiment of these attachments is described in the drawing. It is an angled mounting frame (1), on the upper angled leg of which the attachment (2) is attached at the bottom and on the two angled legs attached to the outside are mounting options, e.g. in the form of screw holes (3) or welded-on holding bushes (4) for attachment the carrier devices or on special holding devices or other attachment devices for the various carrier devices.
  • the excavator is equipped with a dozer blade, it is advantageous to attach the attachment to the dozer blade with an attachment device in the form of a clamping device or screwing device.
  • the advantage is that the attachment does not have to be constantly replaced with the bucket on the boom and vice versa.
  • the excavator can first cut the road surface using the milling wheel attached to the dozer blade and pressed into the road surface by the hydraulics of the leveling machine and then, after turning the upper carriage by 180 °, pull out the surface between the joints and then dig out the trench. After a posture of usually 50 meters has been lifted, the uppercarriage is turned again by 180 ° and the next posture is now cut with the attachment attached to the dozer blade.
  • the attachment can be attached to the blade or the dozer blade of a grader.
  • this attachment is shown using an exemplary embodiment and explained in more detail with a drawing:
  • the clamping device consists of two mounting rails (5), at the lower end of which there is a holder for the dozer blade (6) and where at the upper end there is an adjustable holder ( 7), which is placed on the top of the dozer blade from above.
  • the mounting rails are clamped to the dozer blade by the clamping jaws (8) fastened to this holder and the screws (9) fastened therein.
  • the angle frame mentioned above is screwed onto the front of the mounting rail.
  • Rollers, tractors and other carrier devices do not have a hydraulic lifting device.
  • a lifting device was developed for the attachment of the attachment to these carrier devices, with which the milling drum or the milling wheel of the attachment can be pressed into the road surface and the attachment can be lifted for transport. Without such a lifting device is the attachment to carrier devices that do not have their own lifting device Having a device is not possible.
  • the grader has its own lifting device, but for some uses it is cheaper to attach the attachment to the back of the grader frame, because then obstacles, e.g. the curb, can be milled across the street, which is not possible when the attachment is on the coulter is attached. For this reason, the attachment of the attachment with the lifting device is also suitable for attachment to graders and possibly to the excavator undercarriage if there is no dozer blade.
  • a mounting device on the carrier device (10) is a frame (11) to which both the cylinder ( 12) and a mounting plate (13) which can be pivoted.
  • the piston rod of the cylinder is connected to this mounting plate, and the above-mentioned angle frame (1), in which the attachment (2) is located, is screwed onto the mounting plate.
  • the mounting plate and thus the attachment are raised and lowered by the hydraulic cylinder.
  • wheel caps (15) are attached above the rollers of the attachment (14), on the front of which scraps (16) are attached in an elongated hole extending to the road surface.
  • the hubcaps prevent the milled material from falling onto the rollers and the scraper pushes the material in front of the roller aside.
  • the device consists of two guide plates (23) which are rotatably, eccentrically and laterally displaceably mounted on an axis (24). This axle is attached to the angle mounting frame in which the attachment is fastened, at the rear leg at the bottom.
  • a tilting device was developed.
  • An exemplary embodiment of the invention is shown in the drawing and is described as follows: Between an attachment device (5, 6, 7, 8, 9) or the attractive device (11, 12, 13) and the rear leg of the angle frame described above is located a base plate (25).
  • a pivot pin (26) connects both plates and secondly in that four stud bolts (27) are welded onto the base plate, which are in four curved elongated holes (28) in the rear leg of the angle frame.
  • the leg is pressed against the base plate by screwing nuts onto the stud bolts and washers protruding laterally beyond the elongated holes. This means that it can be tilted to either side and locked in any position.
  • the tipping can be done by hand or hydraulically with a cylinder (29).
  • the attachment in the previous form could only be firmly connected to the boom of an excavator and not laterally rotatable.
  • the result was that the excavator could only work with the attachment on the boom if the boom was exactly in the middle of the undercarriage. If the uppercarriage and thus the boom were swiveled to the left or right, the attachment was at an angle to the undercarriage in the direction of the boom, ie it could not be milled or cut on curbs or other side obstacles.
  • the result was that the attachment attached to the excavator was of limited use. To remedy this shortcoming, a rotating device was developed.
  • the rotating device consists of an upper plate (30), on the lower side of which a worm wheel (31) is screwed on, and of a lower plate (32) on the upper side a bearing block (33) for the screw (34) is welded on.
  • the upper and lower plates are clamped together by a bearing pin (35).
  • the worm is rotated by a hand crank (36) and thus the attachment screwed onto the lower plate is rotated in relation to the attachment plate attached to the carrier device.
  • a lock engages when the crank handle is removed.
  • the attachment in the previous form could only work with 1 milling disk.
  • 2 milling disks (37) at once, after attaching a milling disk to each flange at a distance of 30 cm.
  • intermediate pieces (38) have been developed, which are inserted between the flange and the main drive shaft.
  • 2 disks at a distance of 2 cm in the range from 40 cm to 10 cm depending on the required trench width.
  • the advantage of working with 2 disks is that working is much cheaper and faster than just one disk. You also have the advantage that you have two joints running exactly parallel to each other.
  • a disadvantage of the previous attachment was that it was not possible to mill lengthways directly on curbs because the support wheels and the shaft bearing were on the side of the device. The result was that the ceiling could not be milled over a width of about 12 cm on the curb and this strip had to be removed by hand using the demolition hammer. A side milling device was developed to overcome this disadvantage.
  • a holder (39) for mounting the shaft (40) is inserted, which is inserted into the splines of the main drive shaft.
  • a milling disk is placed on the flange of the side milling device in addition to a milling disk on the main drive shaft of the attachment, parallel cuts at a distance of up to 60 cm are possible at the same time, i.e. not only for cable trenches, usually 30 - 40 cm wide, but also for gas and water pipe trenches that are up to 60 cm wide, can be cut simultaneously with 2 slices. It is also possible to place a disc with a larger diameter (43) on the flange of the side milling device and cut it deeper than with the standard disc that is limited in diameter by the dimensions of the attachment.
  • the attachment was not previously equipped with a sighting device. Such a sighting device has now been developed for this device. When working with the attachment, it was found that it was very difficult for the driver of the carrier to cut a straight joint. Originally, it was assumed that if a line was drawn with chalk on the road surface, the driver could use the support wheels along this line and it would be possible to cut a straight joint. The but was not the case. The chalk line on the ceiling was quickly filled with milled material in the area of the support rollers, so that the line was no longer visible and the driver could consequently no longer comply with it. For this reason, a sighting device was developed. An embodiment of the invention is shown in the drawing and is described as follows.
  • visor rod On the upper axis, which connects the rockers and through which the adjusting spindle passes, 2 clamping ear caps (44) are attached, through which can be inserted from each side and moved to and from each side a visor rod (45) is rotatably clamped.
  • the visor rod is bent at one end by 90 ° and is adjusted so that this bent part points with its tip down on a marking on the road.
  • carrier and attachment devices can be used more flexibly, this is an advantage for the users of these devices because the utilization of the device is increased and the device becomes more economical.
  • a roller, a milling wheel and a milling head were developed for the attachment, which are equipped with wood shredding tools, especially for shredding stumps. Both the roller and the disc as well as the head can be mounted on the main drive shaft as well as on the drive shaft of the side milling device.
  • stump grinders that are attached to the frame of tractors and are driven by a PTO shaft.
  • stump grinders that have their own motor.
  • the attachment shown here with the wood shredding tools attached to the boom e.g. the boom of an excavator or backhoe loader
  • stumps can be milled much deeper below the surface and shredded than with all devices previously on the market because the boom of an excavator or backhoe loader can be lowered 3 - 4 m below the surface without difficulty, and the lowering depth is even greater for larger excavators.
  • stumps can be shredded to a depth of about 80 cm up to 1 m.
  • Another advantage is the much greater mobility of the attachment with wood shredding tools attached to the boom. Due to the 3 boom cylinders and the swivel mechanism, movements can be carried out in all directions. This means better and faster adaptation of the tool to the stumps to be shredded and easier handling. The result is a faster workflow and therefore cheaper work.
  • the attachment with the wood crushing tools is less expensive to manufacture than, for example, an attachment to a tractor, because the backhoe loader is both supported and the bracket and guide against the stub is already provided by the boom. With the attachments for tractors, both a support and a hydraulic guide device for the tool must also be manufactured.
  • the distributor consists of a rear (46) and side panels. There is a scraper (47) at the bottom of the rear panel. There are 4 side plates, 2 of which are fixed on the outer sides (48) and 2 are displaceable (49).
  • the installation width is determined by the two sliding side panels.
  • the distributor is attached to the side of the carrier, e.g. Because the carrier device is not allowed to drive on the distributed black blanket material or the material is to be distributed on the footpath, 80 especially in the case of smaller and lighter carrier devices, due to the lateral pressure on the carrier device, there is a risk that ee will be pushed out of its direction of travel if too much material is present the distributor. In order to avoid these disadvantages, a screw device for the attachment was developed.
  • a shaft holder and bearing (39) is attached (the same as is required for the side milling device).
  • One end of the worm shaft (51) is inserted into this bearing up to the spline teeth in the main drive shaft.
  • the worm (52) is then driven by this main drive shaft.
  • the advantage of the auger in connection with the distributor on the support mounting frame or on the attachment is that there is a better distribution of the black ceiling material over a larger width and that, particularly when it is attached to the side, less material is sufficient for uniform distribution and thus less lateral pressure on the Carrier vehicle is exercised and thus the carrier vehicle is not turned laterally out of the lane, especially if it is lighter.
  • This auger can not only be used to distribute asphalt but also from other materials such as gravel, sand, gravel, topsoil, lean concrete, etc.
  • a distributor sleeve can be used in the screw device, but also a backfill - sohneoke for backfilling trenches, a cutting auger eg for cutting embankments and trench walls or a milling auger eg for milling banquets.
  • FIG. 60 An exemplary embodiment of the invention is shown in the drawing and is described as follows: On the rear lower axis of the attachment, mounting containers (60) are used to mount a receptacle (53), which is supported on the rear on rollers (61). There is one in the receptacle Storage (59) a screw (54) with screw tube (55) attached. Both go up at an angle to the side or backwards.
  • the drive is in the form of a motor (56) at the upper part of the screw.
  • a motor 56) at the upper part of the screw.
  • an ejection opening 57
  • an adjustable slide 58
  • the material is fed through the receptacle into the screw, which conveys the material upwards, from where it is transported via a slide into a transport vehicle.
  • a spacer frame (62) is installed between the attachment and the attachment in the carrier devices, where there is not enough space for the screw between the attachment and the attachment.
  • the milling tool e.g. in the form of the milling disk (37) is equipped with elongated holes (63) at the ends of which there are depressions (64) which are larger than the diameter of the elongated holes.
  • the elongated holes are pushed over the slightly loosened bolts (66) located on the flange (65) of the drive shaft.
  • the attachment e.g. attached to the arms of excavators and backhoe loaders, on the side or center of which the drive shaft is fitted with a tool holder with wood chopping tools, can not only be used for chopping stumps, as described above, but also for milling tree trunks, branches and bushes. Normal saw blades would jam and break on the excavator arm.
  • the advantage of using the attachment on the boom of excavators for milling tree trunks and branches is, above all, that branches and trunks are milled to the extreme height and reach of the excavator, where otherwise only ladders or lifting platforms can be used can.
  • a rotatably mounted shock-deflector device held by a spring can also be attached in such a way that its edge cuts off with the edge of the milling disk.
  • the impact deflector device presses against the trunk above the disk.
  • the pushing device is pushed backwards against the spring pressure, i.e. the pressure increases.
  • the impact device causes the log to fall to the side opposite the machine.
  • the attachment can be used to mill (saw effect) bushes.
  • the shock-repelling device can then be used as a holding and guiding device which guides the bushes into the milling disk.
  • Another tool that can be placed on the drive shaft of the attachment at the side or in the middle is a disc or a wheel that is equipped with trench cutting teeth or trench cutting chisels. If the attachment is attached to the basic device or its extension arm so that the trench cutter is placed vertically in the direction of travel, then slots in the ground or in soft rock can be excavated, e.g. for drainage or cables.
  • the cutting (milling) centrifugal wheel (67) is equipped with cutting (milling) knives (68). These knives are equipped with both a cutting edge and hard metal chisels, so that sand and loam-containing soil can be cut on one side and hard soil can be milled.
  • the foot of the cutting knife is designed so that the cut or loosened soil can be transported to the outside towards the edge. This is done in that the knives are arranged in a spiral.
  • trench profile cutting plows (69) which are held on the frame, are attached to the sides of the cutting centrifugal wheel.
  • the carrier device moves forward or when the boom is moved, the base not in the area of the cutting centrifugal wheel is pushed into the knives of this centrifugal wheel.
  • the advantage of this invention is that the entrepreneur can now also carry out his group milling work with the attachment described here.
  • Another advantage of this special design of the group milling machine is that the transport-spinning process of the cut material does not take place over a surface, but is continuously interrupted by spring knives. This proves to be a great advantage for sticky floors, bran or clay. These floors have a hard time sticking because they are constantly loosened by the interrupted centrifugal surface. The effect is similar to that of a paddle snail compared to a continuous snail.
  • Tool that can be attached to the side or center drive shaft of the attachment is a snow blower blower wheel
  • the attachment of the attachment equipped with the snow blower blower wheel on the boom of an excavator, which is not yet known, has the great advantage that With this combination you can clear snow where you could not get with the previously known snow blowers.
  • the novelty of the invention lies primarily in the fact that a large variety of tools and additional parts, namely all those shown in the above description, can be attached to one device and that this device is an attachment that can be attached to a large number of carrier devices can be grown. That is, the novelty lies in the large number of possible combinations of the attachment and tools or additional parts on the one hand and the large number of combinations of the attachment with different carrier devices and in the means required for this.
  • the cut joint is so wide that bicycles can get into it with their tires: Since the milled material is distributed over the full width of the protective hood of the attachment and the joint or joints are not filled with milled material, accidents can occur come. Therefore, until now, the construction sites on which joints were cut either had to be blocked off or a man had to sweep the milled material into the joints. A device has therefore been developed that feeds the milled material into the joint or into the joint when milling with two cutting wheels.
  • An embodiment is described as follows: A piece of solid rubber acting as a scraper, approximately the length of the protective hood, which has an opening in the area of the joint or joints, is fastened to the edge of the protective box or the axis in such a way that the milled Material is scraped away from the road surface and piled up and only has the option of exiting the protective box through the opening in the rubber, ie in the area of the joint or the joints. As a result, all milled material is collected and piled up in the area of the joint or joints. With this device, the costs can be saved for the man who would otherwise have to sweep the material into the joints with the broom.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Road Repair (AREA)
EP84106482A 1984-06-06 1984-06-06 Equipement interchangeable combiné de fraisage et de coupe, joint pour excavateurs, chargeurs, pelles chargeuses, rouleaux compresseurs et tracteurs Withdrawn EP0169248A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP84106482A EP0169248A1 (fr) 1984-06-06 1984-06-06 Equipement interchangeable combiné de fraisage et de coupe, joint pour excavateurs, chargeurs, pelles chargeuses, rouleaux compresseurs et tracteurs
JP27216284A JPS60261810A (ja) 1984-06-06 1984-12-25 支持車両に取り付けて使用するアタツチメント装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84106482A EP0169248A1 (fr) 1984-06-06 1984-06-06 Equipement interchangeable combiné de fraisage et de coupe, joint pour excavateurs, chargeurs, pelles chargeuses, rouleaux compresseurs et tracteurs

Publications (1)

Publication Number Publication Date
EP0169248A1 true EP0169248A1 (fr) 1986-01-29

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EP84106482A Withdrawn EP0169248A1 (fr) 1984-06-06 1984-06-06 Equipement interchangeable combiné de fraisage et de coupe, joint pour excavateurs, chargeurs, pelles chargeuses, rouleaux compresseurs et tracteurs

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EP (1) EP0169248A1 (fr)
JP (1) JPS60261810A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0665334A2 (fr) * 1994-01-31 1995-08-02 Thomas Humme Machine de fraisage et articulation
WO1996016229A1 (fr) * 1994-11-24 1996-05-30 John Edwin Oakes Dispositif coupant
DE19503940A1 (de) * 1995-02-07 1996-08-08 Juergen Stehr Verfahren zum Verbinden der Mittelnähte von Asphaltbahnen sowie Vorrichtung zur Durchführung des Verfahrens
EP2412873A3 (fr) * 2010-07-30 2014-03-26 MTS Maschinentechnik Schrode AG Dispositif de fraisage
CN107165028A (zh) * 2017-06-05 2017-09-15 金乡县华驰工程机械有限公司 一种冲击式压路机防护架
CN111561007A (zh) * 2020-06-09 2020-08-21 姜发威 一种旋转开沟机

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664281A (en) * 1949-08-27 1953-12-29 Tennant Co G H Machine for cutting, cleaning, grooving, and treating surfaces
CH380628A (fr) * 1962-07-11 1964-07-31 Sogerep S A Machine à fraiser des gorges dans des dalles de béton
FR1590110A (fr) * 1968-04-10 1970-04-13
AU523431B2 (en) * 1979-08-08 1982-07-29 Edward Leo Haak Pavements striping apparatus and method
EP0085304A1 (fr) * 1982-01-14 1983-08-10 Norton Company Dispositif pour former des joints dans des chaussées et revêtements de sol similaires
EP0092128A1 (fr) * 1982-04-15 1983-10-26 Alfred Dr. Hackmack Equipement interchangeable combiné de fraisage et de coupe joint pour excavateur hydraulique, pelle chargeuse et chargeur frontal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664281A (en) * 1949-08-27 1953-12-29 Tennant Co G H Machine for cutting, cleaning, grooving, and treating surfaces
CH380628A (fr) * 1962-07-11 1964-07-31 Sogerep S A Machine à fraiser des gorges dans des dalles de béton
FR1590110A (fr) * 1968-04-10 1970-04-13
AU523431B2 (en) * 1979-08-08 1982-07-29 Edward Leo Haak Pavements striping apparatus and method
EP0085304A1 (fr) * 1982-01-14 1983-08-10 Norton Company Dispositif pour former des joints dans des chaussées et revêtements de sol similaires
EP0092128A1 (fr) * 1982-04-15 1983-10-26 Alfred Dr. Hackmack Equipement interchangeable combiné de fraisage et de coupe joint pour excavateur hydraulique, pelle chargeuse et chargeur frontal

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0665334A2 (fr) * 1994-01-31 1995-08-02 Thomas Humme Machine de fraisage et articulation
EP0665334A3 (fr) * 1994-01-31 1995-09-20 Thomas Humme Machine de fraisage et articulation
WO1996016229A1 (fr) * 1994-11-24 1996-05-30 John Edwin Oakes Dispositif coupant
DE19503940A1 (de) * 1995-02-07 1996-08-08 Juergen Stehr Verfahren zum Verbinden der Mittelnähte von Asphaltbahnen sowie Vorrichtung zur Durchführung des Verfahrens
EP2412873A3 (fr) * 2010-07-30 2014-03-26 MTS Maschinentechnik Schrode AG Dispositif de fraisage
CN107165028A (zh) * 2017-06-05 2017-09-15 金乡县华驰工程机械有限公司 一种冲击式压路机防护架
CN111561007A (zh) * 2020-06-09 2020-08-21 姜发威 一种旋转开沟机

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