EP1425475A1 - Bodenschneidvorrichtung - Google Patents
BodenschneidvorrichtungInfo
- Publication number
- EP1425475A1 EP1425475A1 EP02774612A EP02774612A EP1425475A1 EP 1425475 A1 EP1425475 A1 EP 1425475A1 EP 02774612 A EP02774612 A EP 02774612A EP 02774612 A EP02774612 A EP 02774612A EP 1425475 A1 EP1425475 A1 EP 1425475A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- speed
- floor
- feed
- motor
- 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
- 238000001514 detection method Methods 0.000 claims description 17
- 230000001419 dependent effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/045—Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut
-
- 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
Definitions
- the invention relates to a floor cutting device according to the preamble of patent claim 1.
- Floor cutting devices of this type have long been known as floor sawing machines, parting or joint cutters and serve to cut open asphalt or concrete floors.
- the figure shows such a known floor cutting device, which will be explained in detail later.
- Smaller floor cutting devices are pushed by the operator by hand, while larger devices are equipped with a machine feed device for self-propulsion.
- One or more wheels are usually driven mechanically, hydraulically or electrically.
- the operator sets the feed speed manually using actuators, either continuously or with discrete speed levels.
- an optimal feed rate is required, which depends on many factors. The main factors include the material composition of the material to be cut, the performance and service life of the cutting tool (the cutting disc), the depth of cut, the speed and the torque of the cutting shaft driving the cutting disc, and the stability and tracking accuracy of the cutting device.
- the operator can usually only estimate the speed of the cutting shaft based on the noise generated by the cutting motor driving the cutting shaft. This is usually difficult if the operator is wearing prescribed hearing protection or if there are other noise generators in the immediate vicinity of the work site.
- the operator In the case of a mechanical feed, the operator also lacks the valuable feedback about the feed force, which he learn to feel the feed directly through the force to be applied to the handle.
- the invention is therefore based on the object of specifying a floor cutting device with which an optimum feed rate can always be ensured.
- a floor cutting device has a power recording device and a control device coupled to the power recording device.
- the power detection device is used to detect an actual value for the power of the cutting tool or the power of the cutting motor proportional to the power of the cutting tool.
- the power recording device can also determine a parameter which is dependent on one of the powers mentioned or corresponds to it in another way and thus also has meaningfulness.
- the actual value is supplied to the control device, which the actual value with a predetermined, z. B. compares the target value stored in the factory during assembly.
- the control device influences the feed rate as a function of a deviation from the actual and target value.
- the feed rate is no longer set manually - whether by pushing the floor cutting device by the operator or by manually setting the feed rate - but automatically by the control device.
- the power of the cutting shaft or the power the cutting tool (cutting disc) or the main drive motor (cutting motor) is the controlled variable.
- the power detection device has a speed detection device for detecting an actual value for the speed of the cutting tool or the speed of the cutting motor proportional to the speed of the cutting tool.
- the speed detection device can also determine a parameter which is dependent on one of the speeds mentioned or corresponds to one of the speeds and thus also has meaningfulness.
- the actual value of the speed is used instead of the actual value for the power and is used as a controlled variable for the control device.
- the speed is a criterion corresponding to the physical performance.
- the speed of the cutting shaft normally increases or decreases.
- the corresponding speed change is determined by the speed detection device and evaluated in the control device.
- the control device can then reduce or increase the feed rate until the cutting shaft again reaches the predetermined target speed.
- the cutting motor has a speed control and / or limiting device for maintaining a predetermined speed, the control activity of which can be evaluated by the power detection device to determine the actual value for the performance of the cutting motor. This makes it possible to make a statement about the engine load even if the engine speed does not essentially change.
- the cutting motor is an internal combustion engine whose ignition cycle, ie the time interval between the ignitions, serves as a criterion for the engine speed and thus the speed of the cutting shaft and the cutting tool.
- the speed detection device determines the actual value for the speed based on the ignition cycle, which is passed on to the control device.
- the cutting motor is an electric motor. It can be advantageous here if the current current consumption is evaluated as a criterion for the speed of the cutting motor.
- the setpoint specified in the control device can be permanently set in the factory. In another embodiment of the invention, however, it is possible for the operator to change the target value on the basis of variable operating parameters, namely the material of the material to be cut, the performance of the cutting tool, the depth of cut or the nominal speed of the cutting motor.
- the control device controls a feed motor, which is provided in addition to the cutting motor and belongs to the feed device and moves the undercarriage relative to the ground.
- the control device can optionally be switched on or off, so that the operator still has the option of manually pushing the floor cutting device or manually setting the feed rate to a value desired by him.
- the automatic adjustment of the feed speed reduces the risk of incorrect operation, especially by unfamiliar operators. Furthermore, manual controls that were previously required can be dispensed with.
- the automatic control ensures an economically and ecologically favorable operation of the floor cutting device.
- the single figure shows a floor cutter serving as a floor cutter.
- a main drive motor serving as a cutting motor 2 is fastened on a chassis 1.
- the cutting engine 2 is a gasoline engine that fuel from a nem tank 3 relates.
- the cutting motor 2 drives, via a cutting shaft (not shown), a cutting disk 4 serving as a cutting tool, which saws the soil to be worked in a known manner. In the cutting disc 4, it can be z. B. act as a diamond cutting disc.
- a water supply system 5 is arranged behind the tank 3, with which water for cooling the cutting disc 4 can be supplied.
- a front axle 7 with two wheels 8 is also arranged at the front end of the chassis 1.
- the rear wheels 6 can by a feed device, not shown, which, among other things, a feed motor provided in addition to the cutting motor 2, z. B. has an electric motor driven. Serving as a feed motor for the rear wheels 6 electric motor can, for. B. are supplied with energy by the alternator driven by the cutting motor 2.
- the operator can move the joint cutter over the floor using a handle 9.
- the operator can change the feed speed at will, taking into account in particular the effective feed force (as an indication of the resistance which the cutting disc 4 is subjected to during cutting) and the acoustically perceptible motor speed.
- a speed detection device and a Control device which make it possible for the feed rate to be set and changed automatically.
- the control device evaluates the speed of the cutting shaft or a parameter which is dependent on this speed, for example proportional, as a criterion for setting the feed speed.
- the speed of the cutting disc 4 or the motor speed are therefore also suitable as further parameters.
- the engine speed can be z. B. can be determined by determining the ignition cycle.
- the generation of the ignition sparks already provides an electrical signal which can be evaluated in a simple manner by the speed detection device and which represents a reliable criterion for the engine speed.
- the joint cutter has an electric motor as a cutting motor, z. B.
- the evaluation of the current consumption can be used as a criterion for determining the engine speed.
- a setpoint value is stored in the control device at the factory, which should be maintained during operation of the floor cutting device. To get the best possible work result, the engine should always run at full load. Speed control of the motor is possible, but not absolutely necessary.
- the control device controls the feed motor belonging to the feed device and reduces the feed speed generated by the rear wheels 6. As a result, the cutting forces acting on the cutting disc 4 are lower, so that the speed of the cutting disc 4 can recover and move again in the range of the target speed. If, however, the forces acting on the cutting disc 4 are too low, the cutting motor rotates so that the speed moves close to the nominal speed, in any case above the target speed. The control device then increases the feed rate, which results in an increase in the cutting forces and thus a braking of the cutting disc 4.
- the control device makes it possible to keep the joint cutter always at the optimum working point, in order to avoid overloading the cutting disc 4 and the cutting motor 2 on the one hand and to enable effective, rapid work on the other hand.
- the feed can be switched on or off in a known manner in order to avoid undesired starting of the floor cutting device.
- the control device can also be switched off to enable the operator to either push the floor saw manually or - as in the prior art - to enter a constant value for the feed rate, which is then maintained regardless of the loads actually acting.
- the embodiment described above uses the speed as an easily determinable and evaluable criterion for the performance to be detected.
- other variables or parameters can also be used which represent a criterion for the performance or load of the cutting motor 2 or the cutting disc 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Automatic Control Of Machine Tools (AREA)
- Earth Drilling (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07014612A EP1842964A3 (de) | 2001-09-14 | 2002-09-12 | Fugenschneider |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10145465A DE10145465B4 (de) | 2001-09-14 | 2001-09-14 | Bodenschneidvorrichtung |
DE10145465 | 2001-09-14 | ||
PCT/EP2002/010254 WO2003025289A1 (de) | 2001-09-14 | 2002-09-12 | Bodenschneidvorrichtung |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07014612A Division EP1842964A3 (de) | 2001-09-14 | 2002-09-12 | Fugenschneider |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1425475A1 true EP1425475A1 (de) | 2004-06-09 |
EP1425475B1 EP1425475B1 (de) | 2008-02-06 |
Family
ID=7699119
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02774612A Expired - Lifetime EP1425475B1 (de) | 2001-09-14 | 2002-09-12 | Bodenschneidvorrichtung |
EP07014612A Withdrawn EP1842964A3 (de) | 2001-09-14 | 2002-09-12 | Fugenschneider |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07014612A Withdrawn EP1842964A3 (de) | 2001-09-14 | 2002-09-12 | Fugenschneider |
Country Status (7)
Country | Link |
---|---|
US (1) | US20040251730A1 (de) |
EP (2) | EP1425475B1 (de) |
JP (2) | JP4109194B2 (de) |
AT (1) | ATE385528T1 (de) |
DE (2) | DE10145465B4 (de) |
ES (1) | ES2299605T3 (de) |
WO (1) | WO2003025289A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10145465B4 (de) * | 2001-09-14 | 2005-12-01 | Wacker Construction Equipment Ag | Bodenschneidvorrichtung |
ITPT20040011U1 (it) * | 2004-10-08 | 2005-01-08 | Imer Internat Spa | Macchina da taglio a disco |
US20070194617A1 (en) * | 2006-02-20 | 2007-08-23 | Diamond Products, Limited | Self-propelled concrete saw with forward motion speed control system |
US20080230148A1 (en) * | 2007-03-21 | 2008-09-25 | Waggoner Van E | Speed readiness indicator for a saw head in a tree feller |
DE102007018352A1 (de) | 2007-04-18 | 2008-10-30 | Wacker Construction Equipment Ag | Bodenschneidvorrichtung mit automatischer Zielführung |
US9259849B2 (en) * | 2007-05-24 | 2016-02-16 | Clark Equipment Company | Vehicle-mounted hydraulic slab cutter |
US7934523B2 (en) * | 2007-10-15 | 2011-05-03 | Deere & Company | Tree counter for a saw head in a tree feller |
US7992603B2 (en) * | 2008-09-25 | 2011-08-09 | Deere & Company | Saw speed readiness system for forestry machine |
BRPI0905569A2 (pt) * | 2009-12-16 | 2011-08-16 | Federica Arata | equipamento para realizar cortes em rochas, pavimentos ou pisos e respectivo processo de funcionamento |
CN108442223A (zh) * | 2018-03-26 | 2018-08-24 | 林忠 | 一种灵活的道路设备 |
CN116234670A (zh) * | 2020-09-24 | 2023-06-06 | 胡斯华纳有限公司 | 具有可控的支撑轮的地面锯切设施 |
SE545688C2 (en) * | 2020-09-24 | 2023-12-05 | Husqvarna Ab | Floor saw comprising a control unit to automatically control the floor saw and to determine whether an operator is in position to perform manual control |
CN117661420B (zh) * | 2024-02-01 | 2024-04-19 | 新乡市尧翔建筑工程有限公司 | 一种市政道路路面切割装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2426815C3 (de) * | 1974-06-04 | 1979-05-17 | Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Verfahren und Vorrichtung zum Regeln der stufenlos verstellbaren Schnitt- und Vorschubgeschwindigkeit von Walzenschrämmaschinen des Untertagebergbaues |
US4662684A (en) * | 1979-12-13 | 1987-05-05 | H. B. Zachery Corporation | Rotary rock and trench cutting saw |
US4343513A (en) * | 1980-08-25 | 1982-08-10 | Gomaco, Inc. | Method and power transmission system for operating a road planar machine |
JPS59183902A (ja) * | 1983-04-01 | 1984-10-19 | Sumitomo Metal Ind Ltd | ステンレス鋼製h形鋼の製造方法 |
HU195345B (en) * | 1984-02-24 | 1988-04-28 | Mem Mueszaki Intezet | Method and regulator for controlling load of machine and speed of a mobile straw cutter |
JPS6233909A (ja) * | 1985-08-05 | 1987-02-13 | 日本ゼム株式会社 | 切削機 |
JPS6233908A (ja) * | 1985-08-05 | 1987-02-13 | 椿森 信一 | 舗装面の斜め切りカツタ− |
US4748966A (en) * | 1986-11-05 | 1988-06-07 | Ralph Kennedy | Self-regulating concrete cutting saw |
US4797025A (en) * | 1988-03-14 | 1989-01-10 | Ampsco Corporation | Device for cutting a receptacle in pavement to receive a reflector |
US4848845A (en) * | 1988-03-16 | 1989-07-18 | Ampsco Corporation | Steerable self-regulating concrete cutting saw |
JPH0331839U (de) * | 1989-08-02 | 1991-03-28 | ||
DE9005621U1 (de) * | 1990-05-17 | 1990-07-19 | Cedima Diamantwerkzeug- Und Maschinenhandelsgesellschaft Mbh, 3100 Celle, De | |
US5241823A (en) * | 1991-10-04 | 1993-09-07 | Rineer Hydraulics, Inc. | Hydraulic power system having first and second power converters |
US5305729A (en) * | 1992-02-14 | 1994-04-26 | Chiuminatta Edward R | Method and apparatus for cutting wet concrete |
JPH0633418A (ja) * | 1992-07-15 | 1994-02-08 | Yanmar Diesel Engine Co Ltd | コンクリートカッターの制御機構 |
JPH08177010A (ja) * | 1994-12-21 | 1996-07-09 | Komatsu Esuto:Kk | 回転式切削機を備えた車両の走行装置 |
JPH09111715A (ja) * | 1995-10-19 | 1997-04-28 | Shinshu Kikai Seisakusho:Kk | 舗装盤切断機 |
JPH1018220A (ja) * | 1996-07-02 | 1998-01-20 | Daiyamondo Giken:Kk | 道路切断機用の金属配管等切断防止装置 |
NL1010360C2 (nl) * | 1998-10-20 | 2000-04-25 | Janssen & Krop Bv | Inrichting en werkwijze voor het aanbrengen van sleuven in vloeren. |
DE10145465B4 (de) * | 2001-09-14 | 2005-12-01 | Wacker Construction Equipment Ag | Bodenschneidvorrichtung |
US6921230B2 (en) * | 2002-12-24 | 2005-07-26 | Diamond Products, Limited | Closed loop control system for pavement surfacing machine |
-
2001
- 2001-09-14 DE DE10145465A patent/DE10145465B4/de not_active Expired - Fee Related
-
2002
- 2002-09-12 US US10/489,443 patent/US20040251730A1/en not_active Abandoned
- 2002-09-12 JP JP2003528904A patent/JP4109194B2/ja not_active Expired - Fee Related
- 2002-09-12 ES ES02774612T patent/ES2299605T3/es not_active Expired - Lifetime
- 2002-09-12 AT AT02774612T patent/ATE385528T1/de not_active IP Right Cessation
- 2002-09-12 EP EP02774612A patent/EP1425475B1/de not_active Expired - Lifetime
- 2002-09-12 WO PCT/EP2002/010254 patent/WO2003025289A1/de active IP Right Grant
- 2002-09-12 DE DE50211652T patent/DE50211652D1/de not_active Expired - Lifetime
- 2002-09-12 EP EP07014612A patent/EP1842964A3/de not_active Withdrawn
-
2008
- 2008-01-31 JP JP2008020926A patent/JP2008111334A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO03025289A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE10145465B4 (de) | 2005-12-01 |
ATE385528T1 (de) | 2008-02-15 |
US20040251730A1 (en) | 2004-12-16 |
JP2008111334A (ja) | 2008-05-15 |
JP4109194B2 (ja) | 2008-07-02 |
DE10145465A1 (de) | 2003-04-17 |
DE50211652D1 (de) | 2008-03-20 |
EP1842964A3 (de) | 2007-10-24 |
EP1842964A2 (de) | 2007-10-10 |
WO2003025289A1 (de) | 2003-03-27 |
EP1425475B1 (de) | 2008-02-06 |
ES2299605T3 (es) | 2008-06-01 |
JP2005503501A (ja) | 2005-02-03 |
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