EP3543408A1 - Engin de fraisage pour creuser des tranchées dans le sol et procédé de creusage des tranchées dans le sol - Google Patents
Engin de fraisage pour creuser des tranchées dans le sol et procédé de creusage des tranchées dans le sol Download PDFInfo
- Publication number
- EP3543408A1 EP3543408A1 EP18163075.7A EP18163075A EP3543408A1 EP 3543408 A1 EP3543408 A1 EP 3543408A1 EP 18163075 A EP18163075 A EP 18163075A EP 3543408 A1 EP3543408 A1 EP 3543408A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- milling
- trench wall
- cutting
- wall cutter
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002002 slurry Substances 0.000 title 1
- 238000004140 cleaning Methods 0.000 claims abstract description 98
- 238000005520 cutting process Methods 0.000 claims abstract description 81
- 238000003801 milling Methods 0.000 claims abstract description 75
- 239000012530 fluid Substances 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000002689 soil Substances 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims abstract 2
- 230000036346 tooth eruption Effects 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 8
- 238000009966 trimming Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 description 11
- 230000018109 developmental process Effects 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 5
- 239000004927 clay Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
- E02D3/126—Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/13—Foundation slots or slits; Implements for making these slots or slits
-
- 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
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
- E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
-
- 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
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
- E02F3/9218—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with jets
-
- 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
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
- E02F3/9225—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with rotating cutting elements
- E02F3/9231—Suction wheels with axis of rotation parallel to longitudinal axis of the suction pipe
-
- 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
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
- E02F3/9268—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements
- E02F3/9275—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements with axis of rotation parallel to longitudinal axis of the suction pipe
-
- 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
- E02F3/961—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements with several digging elements or tools mounted on one machine
Definitions
- the invention relates to a trench wall cutter for creating a Frässchlitzes in the ground with a cutter frame, at least a pair of cutting wheels, which are rotatably mounted and driven on the Fräsrahmen, each cutting wheel along its outer periphery has a plurality of Fräszähnen, and a feed and / or Discharge device for feeding a milling fluid into or out of the milling slot in the area of the cutting wheels, according to the preamble of claim 1.
- the invention relates to a method for creating a Frässchlitzes in the ground with such a trench cutter, wherein the cutting wheels are driven in rotation and the trench wall drills sunken into the ground and soil material is milled, the Frässchlitz created in the ground, according to the preamble of claim 13th
- Such trench wall cutters are used to create so-called slot walls or sealing walls, which are required for securing or sealing excavation pits, for example.
- a first trimming slot is created, which is filled with a curable material. This mass hardens to a slot wall segment.
- a trench wall of a desired size can thus be created.
- From the EP 1 452 645 A1 is a generic trench cutter for creating a slot wall in the ground out. Between the two pairs of cutting wheels opens a feeding device, by means of which a settable liquid can be introduced into the milling slot in the area between the cutting wheels. The supplied settable liquid is thereby by the rotational movement of the cutting wheels with the milled soil material blended into a hardenable mass, which can then harden to the slot wall segment. In this known method, the milled soil material is mixed directly in situ in the milling slot to the curable composition.
- Another method for producing a trench wall segment in the ground is from the DE 41 41 629 A1 out.
- a discharge device is provided between the cutting wheels, with which the milled soil material is sucked directly with lawen in the milling slot supporting liquid to the surface.
- the extracted suspension can be de-enriched in a separator of soil material and returned to an upper portion of the Frässchlitzes.
- the suspension can be processed in such a way that it represents a hardenable mass which cures to the slot wall segment in the milling slot.
- the invention has for its object to provide a trench cutter and a method for creating a Frässchlitzes in the ground, with which a Frässchlitz can be made particularly efficient.
- the trench wall cutter according to the invention is characterized in that spaced apart from the supply and / or discharge device a cleaning device for cleaning the cutting wheels in milling operation with a cleaning fluid is provided and that the cleaning device has a plurality of cleaning nozzles, which are directed to the outer periphery of at least one cutting wheel and are formed for injecting the cleaning fluid for releasing adhering soil material.
- the basic idea of the invention is to provide a cleaning device spaced apart or separate from the supply and / or discharge device for a milling fluid, by means of which the cutting wheels can be cleaned in the milling operation by means of a cleaning fluid.
- a cleaning fluid By means of a cleaning fluid, the cutting wheels and in particular the cutting teeth can be cleaned particularly reliably and without significant wear in the milling operation, rotate in which the cutting wheels and work off soil material.
- the cleaning device has a plurality of cleaning nozzles, which are directed to the outer periphery of at least one cutting wheel and are designed for injecting the cleaning fluid for releasing adhering to the cutting teeth soil material.
- the cleaning fluid may be a liquid or a gas or a gas-liquid mixture.
- the cleaning nozzles are spaced from the feeding device for milling fluid, which supplies a relatively large amount of milling fluid in a milling process with in situ mixing in the Frässchlitz for operating the milling machine.
- the cutting wheels even with longer operating times when milling cohesive soil material on a largely consistently high milling performance, without the milling operation for cleaning the trench wall cutter would have to be interrupted for days.
- This not only increases the daily milling performance of a mill, but also leads to improved quality of the hardenable Mass in the milling slot, since the Frässchlitz can be preferably processed in a stroke of the trench wall cutter.
- the milling resistance and thus the energy consumption are reduced.
- a preferred embodiment of the trench wall cutter according to the invention is that two pairs of cutting wheels are provided and that the supply and / or discharge device is arranged in a middle between the two cutting wheels.
- the cutting wheels of a pair are rotatably mounted about a common axis of rotation.
- the axis of rotation is preferably arranged horizontally in the milling operation.
- the axes of rotation of the two pairs are arranged in parallel.
- the supply and / or discharge device is arranged in the middle between the two cutting wheels, so that the milling fluid can be fed or discharged centrally.
- the cleaning device with the cleaning nozzles for the individual cutting wheels are arranged in each case spaced from the center laterally to the respective cutting wheels.
- fixed cleaning nozzles can be provided.
- the cleaning nozzles are mounted adjustable. It can be provided, for example, ball nozzles, which can be tightened by means of a corresponding nut in a set position.
- the cleaning device comprises nozzle rails, wherein in each case a nozzle rail along the outer circumference of each cutting wheel is arranged and runs approximately parallel to the axis of rotation of the cutting wheel.
- a nozzle rail may be referred to as a so-called common rail, which is supplied with cleaning fluid via a supply line from a central pressure generating device, in particular an injection pump.
- Such a trench wall cutter is preferably further developed in that rod-shaped cleaning rails are attached to the nozzle rail, that the cutting teeth on a cutting wheel are arranged in annular Fräszahn-2n, which are axially spaced apart to form annular Eisenraumen, and that the rod-shaped cleaning nozzles protrude into the annular spaces.
- rod-shaped cleaning rails are attached to the nozzle rail, that the cutting teeth on a cutting wheel are arranged in annular Fräs leopard myselfn, which are axially spaced apart to form annular Eisenraumen, and that the rod-shaped cleaning nozzles protrude into the annular spaces.
- the rod-shaped cleaning nozzles may have a nozzle opening or a plurality of nozzle openings, so that targeted nozzles can be directed to the cutting teeth in the Fräs leopard #2n or the outer periphery of the cutting wheels.
- adjustable nozzles can be provided at the cleaning openings.
- a cleaning of the cutting wheels in the milling operation can be achieved solely by the cleaning device with the cleaning fluid.
- a particularly good cleaning is achieved according to a development of the invention in that the milling frame juxtaposrplatten are arranged to strip adhering soil from the cutting wheels.
- Scraper plates are basically known from the prior art. These are mechanical stripping devices, which preferably extend into the annular spaces between the annular Fräs leopard myselfn to strip there located soil material from the interstices. However, the mechanical clearing plates are to be arranged at a certain distance from the Fräs leopard myselfn to avoid in milling milling collisions, which could occur due to vibrations of the individual machine parts in operation. In addition to this mechanical cleaning remaining residual soil material can be removed by the cleaning fluid with the cleaning device according to the invention.
- the cleaning nozzles are integrated into the reamer plates or mounted close to them.
- the reamer plates themselves may be formed as hollow plates, wherein the cavity serves as a supply of cleaning fluid to the cleaning nozzles on the reamer plates.
- the rod-shaped cleaning nozzles on a Be mounted outside the redesignrplatten to remove remaining residual soil material from the Fräszähnen.
- a particularly good cleaning is achieved according to an embodiment of the invention in that the nozzle rails are connected via leads with at least one injection pump, with which the cleaning fluid can be injected under pressure.
- the injection pump can be arranged over days or on the cutting frame of the trench wall cutter.
- a control device is provided with which the injection pressure and / or an injection quantity of the cleaning fluid can be adjusted.
- a sufficient injection pressure and a sufficient injection quantity of cleaning fluid can be set in order to reliably clean the cutting teeth from soil material.
- a desired pressure can also be set via the control device in the area of the cutting wheels, which can have a positive effect on the milling and the mixing of milled ground material with milling fluid.
- the cleaning fluid corresponds to the milling fluid.
- the cleaning fluid may be a curable suspension, in particular a cement suspension, which is used for detaching soil material.
- the cleaning fluid injected under pressure can simultaneously assist a mixing of the milled ground material, so that, in particular in the case of an in situ process, a particularly good hardenable suspension is established for forming the slot wall element.
- cleaning fluid and water can be provided to clean about the end of an operating day, the cutting wheels through the cleaning device outside the Frässchlitzes.
- a further preferred embodiment of the invention consists in that the feed device has a feed pump for feeding the milling fluid, wherein the milling fluid and the cleaning fluid are mixed with the cutting wheels in the milling slot with milled ground material to form a curable suspension.
- a trench cutter for an in situ milling and mixing process is preferably as Cleaning fluid used the milling fluid.
- the feed pump on the milling frame can guide both the milling fluid to the feeder and the cleaning fluid to the cleaning nozzles. As a result, a particularly efficient construction of the trench wall cutter can be achieved.
- the discharge device has a suction pump, with which milling liquid is sucked out of the Frässchlitz with the cleaning fluid and milled soil material.
- a rope or a rod is attached, with which the trench wall cutter is suspended on a carrier device and vertically adjustable.
- a cleaning of the cutting wheels in the milling operation can be done both during the milling of the soil material as well as during a lifting movement by means of the rope or the rod.
- the inventive method for milling a Frässchlitzes in the ground with the aforementioned trench wall cutter is characterized in that during milling via a cleaning device, a cleaning fluid is sprayed onto the outer periphery of the cutting wheels, wherein adhering to the cutting wheels soil material is released.
- a trench wall cutter 10 according to the invention with a milling frame 12 is in the FIGS. 1 to 4 shown in the different views.
- a pair of second cutting wheels 15 are mounted rotatably about a common axis of rotation and on a second gear plate 11 b a pair of second cutting wheels 15 rotatably together about a different axis of rotation on a first gear plate 11a.
- the cutting wheels 14, 15 each have a drum-shaped hub 17, on the outer periphery of a plurality of cutting teeth 20 are mounted with Fräs leopardhaltern 18.
- the cutting teeth 20 are detachably mounted in the Fräszahnhaltern 18.
- the Fräs leopardhalter 18 with the cutting teeth 20 are arranged along the outer periphery of each cutting wheels 14, 15 in annular Fräszahn #2n 22, as clearly from the FIGS. 3 and 4 evident.
- the individual Fräszahn réellen 22 are axially spaced apart, so that between these annular spaces 24 are formed.
- ground materials can be attached to the cutting teeth 20, the Fräszahnhaltern 18 and in the spaces 24 between the cutting teeth 20 and the Fräszahnhaltern, especially when milling cohesive soil, such as clay.
- plate-shaped Implementrplatten 50 are attached to the underside of the cutter frame, which comb-like engage in the annular spaces 24 between the cutting teeth 20 to mechanically strip adhering soil material.
- the neurosciencerplatten 50 are mounted on both sides of a central discharge device 30, which is designed for the extraction of milling fluid from the created Frässchlitz.
- the discharge device 30 has a suction box 32 extending parallel to the axes of rotation and tapering towards the bottom. On its underside, the suction box 32 is provided with a plurality of suction openings 34, as can be seen Fig. 3 can be seen.
- Trench wall cutter 10 shown is designed for carrying out a milling process, in which the removed soil material together with surrounding support or milling liquid from the working area of the cutting wheels 14, 15 is sucked off and transported to the surface over days.
- a corresponding feed device 30 may be provided, through which milling fluid is fed into the region between the cutting wheels 14, 15.
- Such a trench wall cutter 10 would be designed for carrying out a milling process, in which the abraded soil material is mixed together with the milling liquid to a suspension in situ in the milling slot, which preferably hardens after removal of the trench wall cutter 10 from the Frässchlitz and so to a slot wall segment or Schlitzwandpaneel for a Crevice wall hardens.
- a cleaning device 40 with cleaning nozzles 46 which are directed onto the outer circumference of the cutting wheels 14, 15, is arranged on both sides at a distance from the discharge device 30.
- a part of the cleaning device 40 is enlarged in FIG Fig. 5 shown.
- the cleaning device 40 has two clip-like holding frame 41, of which a holding frame 41 in Fig. 5 is shown.
- a nozzle rail 42 is attached, which is spaced from the discharge device 30 and is directed parallel to the axes of rotation of the cutting wheels 14, 15.
- the two nozzle rails 42 of two opposite cutting wheels 14, 15 are connected via a feed line 44 only partially shown with a supply pump, not shown. Via the feed pump, a cleaning fluid, in particular a liquid, can be supplied under pressure via the supply lines 44 to the nozzle rails 42.
- adjustable rod-shaped cleaning nozzles 46 are mounted on clamping nuts. By means of the clamping nuts 48, the cleaning nozzles 46 can be released and at least partially changed in their orientation and thus adjusted to the respective arrangement of cutting teeth 20 on the cutting wheels 14, 15.
- the cleaning nozzles 46 have nozzle openings, from which the cleaning fluid exits under pressure in order to loosen soil material adhering to the cutting teeth 20 and the milling tooth holders 18 in the milling operation.
- the cleaning nozzles 46 engage in a comb-like manner in the annular spaces 24.
- the feed pump for injecting the cleaning fluid into the cleaning nozzles 46 may preferably be arranged on the milling frame 12 of the trench wall cutter 10.
- the cleaning fluid used may be the milling fluid which is located in the milling slot.
- the above-described method for creating a trimming slot in the ground can be carried out, wherein in milling operation with rotating cutting wheels 14, 15 adhering soil material from the cutting wheels 14, 15 can be solved by the cleaning device 40.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Road Repair (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18163075.7A EP3543408B1 (fr) | 2018-03-21 | 2018-03-21 | Engin de fraisage pour creuser des tranchées dans le sol et procédé de creusage des tranchées dans le sol |
US16/982,015 US11236480B2 (en) | 2018-03-21 | 2019-03-06 | Trench cutter and method for producing a cut trench in the soil |
CN201980020858.5A CN112154237A (zh) | 2018-03-21 | 2019-03-06 | 用于在土壤中产生切割沟槽的沟槽壁切割器和方法 |
JP2020550859A JP2021518500A (ja) | 2018-03-21 | 2019-03-06 | 土壌内に切削トレンチを作製するためのトレンチカッタおよび方法 |
PCT/EP2019/055606 WO2019179770A1 (fr) | 2018-03-21 | 2019-03-06 | Fraise pour parois moulées et procédé servant à pratiquer une entaille de fraisage dans le sol |
KR1020207027468A KR20200132888A (ko) | 2018-03-21 | 2019-03-06 | 토양에 커트 트렌치를 생성하기 위한 트렌치 커터 및 방법 |
CA3092741A CA3092741A1 (fr) | 2018-03-21 | 2019-03-06 | Fraise pour parois moulees et procede servant a pratiquer une entaille de fraisage dans le sol |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18163075.7A EP3543408B1 (fr) | 2018-03-21 | 2018-03-21 | Engin de fraisage pour creuser des tranchées dans le sol et procédé de creusage des tranchées dans le sol |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3543408A1 true EP3543408A1 (fr) | 2019-09-25 |
EP3543408B1 EP3543408B1 (fr) | 2020-10-21 |
Family
ID=61731682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18163075.7A Active EP3543408B1 (fr) | 2018-03-21 | 2018-03-21 | Engin de fraisage pour creuser des tranchées dans le sol et procédé de creusage des tranchées dans le sol |
Country Status (7)
Country | Link |
---|---|
US (1) | US11236480B2 (fr) |
EP (1) | EP3543408B1 (fr) |
JP (1) | JP2021518500A (fr) |
KR (1) | KR20200132888A (fr) |
CN (1) | CN112154237A (fr) |
CA (1) | CA3092741A1 (fr) |
WO (1) | WO2019179770A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110792122A (zh) * | 2019-12-09 | 2020-02-14 | 江苏徐工工程机械研究院有限公司 | 铣削装置和双轮铣槽机 |
DE102021115812A1 (de) | 2021-06-18 | 2022-12-22 | Liebherr-Werk Nenzing Gmbh | Schlitzwandfräse |
EP4239130A1 (fr) * | 2022-03-01 | 2023-09-06 | BAUER Maschinen GmbH | Fraise à parois moulées et procédé de réalisation d'une tranchée dans le sol |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102373567B1 (ko) * | 2020-06-03 | 2022-03-11 | (주)나우이엔에스 | 트렌치커터의 굴착 자동화 시스템 및 방법 |
KR102461097B1 (ko) * | 2020-10-21 | 2022-10-31 | 강태영 | 트렌치커터의 커팅바이트 |
RU208074U1 (ru) * | 2021-05-27 | 2021-12-01 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский государственный аграрный университет - МСХА имени К.А. Тимирязева" (ФГБОУ ВО РГАУ - МСХА имени К.А. Тимирязева) | Рабочий орган каналоочистительной машины |
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- 2019-03-06 WO PCT/EP2019/055606 patent/WO2019179770A1/fr active Application Filing
- 2019-03-06 CA CA3092741A patent/CA3092741A1/fr active Pending
- 2019-03-06 US US16/982,015 patent/US11236480B2/en active Active
- 2019-03-06 JP JP2020550859A patent/JP2021518500A/ja active Pending
- 2019-03-06 KR KR1020207027468A patent/KR20200132888A/ko not_active Application Discontinuation
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110792122A (zh) * | 2019-12-09 | 2020-02-14 | 江苏徐工工程机械研究院有限公司 | 铣削装置和双轮铣槽机 |
DE102021115812A1 (de) | 2021-06-18 | 2022-12-22 | Liebherr-Werk Nenzing Gmbh | Schlitzwandfräse |
EP4239130A1 (fr) * | 2022-03-01 | 2023-09-06 | BAUER Maschinen GmbH | Fraise à parois moulées et procédé de réalisation d'une tranchée dans le sol |
WO2023165796A1 (fr) * | 2022-03-01 | 2023-09-07 | Bauer Maschinen Gmbh | Dispositif de coupe de paroi de diaphragme et procédé de production d'une tranchée dans le sol |
Also Published As
Publication number | Publication date |
---|---|
JP2021518500A (ja) | 2021-08-02 |
CA3092741A1 (fr) | 2019-09-26 |
WO2019179770A1 (fr) | 2019-09-26 |
US11236480B2 (en) | 2022-02-01 |
KR20200132888A (ko) | 2020-11-25 |
EP3543408B1 (fr) | 2020-10-21 |
US20210095435A1 (en) | 2021-04-01 |
CN112154237A (zh) | 2020-12-29 |
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